diff --git a/_demo/embed/targetsbuild/build.sh b/_demo/embed/targetsbuild/build.sh
index 23171f9014..085a51c3ac 100755
--- a/_demo/embed/targetsbuild/build.sh
+++ b/_demo/embed/targetsbuild/build.sh
@@ -111,6 +111,7 @@ case "$test_dir" in
 			"riscv32"
 			"riscv64"
 			"rp2040"
+			"nintendoswitch" # undefined symbol under lto, should not work when no-lto
 		)
 		;;
 	defer)
diff --git a/cl/_testdata/apkg/out.ll b/cl/_testdata/apkg/out.ll
index adaa6e282f..2a738d8f3b 100644
--- a/cl/_testdata/apkg/out.ll
+++ b/cl/_testdata/apkg/out.ll
@@ -3,7 +3,7 @@ source_filename = "github.com/goplus/llgo/cl/_testdata/apkg"
 
 @"github.com/goplus/llgo/cl/_testdata/apkg.init$guard" = global i1 false, align 1
 
-define double @"github.com/goplus/llgo/cl/_testdata/apkg.Max"(double %0, double %1) {
+define double @"github.com/goplus/llgo/cl/_testdata/apkg.Max"(double %0, double %1) #0 {
 _llgo_0:
   %2 = fcmp ogt double %0, %1
   br i1 %2, label %_llgo_1, label %_llgo_2
@@ -15,7 +15,7 @@ _llgo_2:                                          ; preds = %_llgo_0
   ret double %1
 }
 
-define void @"github.com/goplus/llgo/cl/_testdata/apkg.init"() {
+define void @"github.com/goplus/llgo/cl/_testdata/apkg.init"() #0 {
 _llgo_0:
   %0 = load i1, ptr @"github.com/goplus/llgo/cl/_testdata/apkg.init$guard", align 1
   br i1 %0, label %_llgo_2, label %_llgo_1
@@ -27,3 +27,5 @@ _llgo_1:                                          ; preds = %_llgo_0
 _llgo_2:                                          ; preds = %_llgo_1, %_llgo_0
   ret void
 }
+
+attributes #0 = { "frame-pointer"="non-leaf" }
diff --git a/cl/_testdata/cpkg/out.ll b/cl/_testdata/cpkg/out.ll
index 934dc70038..bbf9ac94ea 100644
--- a/cl/_testdata/cpkg/out.ll
+++ b/cl/_testdata/cpkg/out.ll
@@ -2,26 +2,27 @@
 source_filename = "github.com/goplus/llgo/cl/_testdata/cpkg"
 
 @"github.com/goplus/llgo/cl/_testdata/cpkg.init$guard" = global i1 false, align 1
+@llvm.compiler.used = appending global [2 x ptr] [ptr @Double, ptr @add], section "llvm.metadata"
 
-define double @Double(double %0) {
+define double @Double(double %0) #0 {
 _llgo_0:
   %1 = fmul double 2.000000e+00, %0
   ret double %1
 }
 
-define i64 @add(i64 %0, i64 %1) {
+define i64 @add(i64 %0, i64 %1) #0 {
 _llgo_0:
   %2 = call i64 @"github.com/goplus/llgo/cl/_testdata/cpkg.add"(i64 %0, i64 %1)
   ret i64 %2
 }
 
-define i64 @"github.com/goplus/llgo/cl/_testdata/cpkg.add"(i64 %0, i64 %1) {
+define i64 @"github.com/goplus/llgo/cl/_testdata/cpkg.add"(i64 %0, i64 %1) #0 {
 _llgo_0:
   %2 = add i64 %0, %1
   ret i64 %2
 }
 
-define void @"github.com/goplus/llgo/cl/_testdata/cpkg.init"() {
+define void @"github.com/goplus/llgo/cl/_testdata/cpkg.init"() #0 {
 _llgo_0:
   %0 = load i1, ptr @"github.com/goplus/llgo/cl/_testdata/cpkg.init$guard", align 1
   br i1 %0, label %_llgo_2, label %_llgo_1
@@ -33,3 +34,5 @@ _llgo_1:                                          ; preds = %_llgo_0
 _llgo_2:                                          ; preds = %_llgo_1, %_llgo_0
   ret void
 }
+
+attributes #0 = { "frame-pointer"="non-leaf" }
diff --git a/cl/_testdata/cpkgimp/out.ll b/cl/_testdata/cpkgimp/out.ll
index 9f3a64d7e8..4ec9e8461d 100644
--- a/cl/_testdata/cpkgimp/out.ll
+++ b/cl/_testdata/cpkgimp/out.ll
@@ -3,7 +3,7 @@ source_filename = "github.com/goplus/llgo/cl/_testdata/cpkgimp"
 
 @"github.com/goplus/llgo/cl/_testdata/cpkgimp.init$guard" = global i1 false, align 1
 
-define void @"github.com/goplus/llgo/cl/_testdata/cpkgimp.init"() {
+define void @"github.com/goplus/llgo/cl/_testdata/cpkgimp.init"() #0 {
 _llgo_0:
   %0 = load i1, ptr @"github.com/goplus/llgo/cl/_testdata/cpkgimp.init$guard", align 1
   br i1 %0, label %_llgo_2, label %_llgo_1
@@ -17,7 +17,7 @@ _llgo_2:                                          ; preds = %_llgo_1, %_llgo_0
   ret void
 }
 
-define void @"github.com/goplus/llgo/cl/_testdata/cpkgimp.main"() {
+define void @"github.com/goplus/llgo/cl/_testdata/cpkgimp.main"() #0 {
 _llgo_0:
   %0 = call i64 @add(i64 1, i64 2)
   %1 = call double @Double(double 3.140000e+00)
@@ -28,14 +28,16 @@ _llgo_0:
   ret void
 }
 
-declare void @"github.com/goplus/llgo/cl/_testdata/cpkg.init"()
+declare void @"github.com/goplus/llgo/cl/_testdata/cpkg.init"() #0
 
-declare i64 @add(i64, i64)
+declare i64 @add(i64, i64) #0
 
-declare double @Double(double)
+declare double @Double(double) #0
 
-declare void @"github.com/goplus/llgo/runtime/internal/runtime.PrintInt"(i64)
+declare void @"github.com/goplus/llgo/runtime/internal/runtime.PrintInt"(i64) #0
 
-declare void @"github.com/goplus/llgo/runtime/internal/runtime.PrintByte"(i8)
+declare void @"github.com/goplus/llgo/runtime/internal/runtime.PrintByte"(i8) #0
 
-declare void @"github.com/goplus/llgo/runtime/internal/runtime.PrintFloat"(double)
+declare void @"github.com/goplus/llgo/runtime/internal/runtime.PrintFloat"(double) #0
+
+attributes #0 = { "frame-pointer"="non-leaf" }
diff --git a/cl/_testdata/embedunexport/out.ll b/cl/_testdata/embedunexport/out.ll
index 986d419641..fedd39903e 100644
--- a/cl/_testdata/embedunexport/out.ll
+++ b/cl/_testdata/embedunexport/out.ll
@@ -8,21 +8,21 @@ source_filename = "github.com/goplus/llgo/cl/_testdata/embedunexport"
 @"github.com/goplus/llgo/cl/_testdata/embedunexport.init$guard" = global i1 false, align 1
 @0 = private unnamed_addr constant [8 x i8] c"modified", align 1
 
-define %"github.com/goplus/llgo/runtime/internal/runtime.String" @"github.com/goplus/llgo/cl/_testdata/embedunexport.(*Base).Name"(ptr %0) {
+define %"github.com/goplus/llgo/runtime/internal/runtime.String" @"github.com/goplus/llgo/cl/_testdata/embedunexport.(*Base).Name"(ptr %0) #0 {
 _llgo_0:
   %1 = getelementptr inbounds %"github.com/goplus/llgo/cl/_testdata/embedunexport.Base", ptr %0, i32 0, i32 0
   %2 = load %"github.com/goplus/llgo/runtime/internal/runtime.String", ptr %1, align 8
   ret %"github.com/goplus/llgo/runtime/internal/runtime.String" %2
 }
 
-define void @"github.com/goplus/llgo/cl/_testdata/embedunexport.(*Base).setName"(ptr %0, %"github.com/goplus/llgo/runtime/internal/runtime.String" %1) {
+define void @"github.com/goplus/llgo/cl/_testdata/embedunexport.(*Base).setName"(ptr %0, %"github.com/goplus/llgo/runtime/internal/runtime.String" %1) #0 {
 _llgo_0:
   %2 = getelementptr inbounds %"github.com/goplus/llgo/cl/_testdata/embedunexport.Base", ptr %0, i32 0, i32 0
   store %"github.com/goplus/llgo/runtime/internal/runtime.String" %1, ptr %2, align 8
   ret void
 }
 
-define ptr @"github.com/goplus/llgo/cl/_testdata/embedunexport.NewBase"(%"github.com/goplus/llgo/runtime/internal/runtime.String" %0) {
+define ptr @"github.com/goplus/llgo/cl/_testdata/embedunexport.NewBase"(%"github.com/goplus/llgo/runtime/internal/runtime.String" %0) #0 {
 _llgo_0:
   %1 = call ptr @"github.com/goplus/llgo/runtime/internal/runtime.AllocZ"(i64 16)
   %2 = getelementptr inbounds %"github.com/goplus/llgo/cl/_testdata/embedunexport.Base", ptr %1, i32 0, i32 0
@@ -30,7 +30,7 @@ _llgo_0:
   ret ptr %1
 }
 
-define void @"github.com/goplus/llgo/cl/_testdata/embedunexport.Use"(%"github.com/goplus/llgo/runtime/internal/runtime.iface" %0) {
+define void @"github.com/goplus/llgo/cl/_testdata/embedunexport.Use"(%"github.com/goplus/llgo/runtime/internal/runtime.iface" %0) #0 {
 _llgo_0:
   %1 = call ptr @"github.com/goplus/llgo/runtime/internal/runtime.IfacePtrData"(%"github.com/goplus/llgo/runtime/internal/runtime.iface" %0)
   %2 = extractvalue %"github.com/goplus/llgo/runtime/internal/runtime.iface" %0, 0
@@ -44,7 +44,7 @@ _llgo_0:
   ret void
 }
 
-define void @"github.com/goplus/llgo/cl/_testdata/embedunexport.init"() {
+define void @"github.com/goplus/llgo/cl/_testdata/embedunexport.init"() #0 {
 _llgo_0:
   %0 = load i1, ptr @"github.com/goplus/llgo/cl/_testdata/embedunexport.init$guard", align 1
   br i1 %0, label %_llgo_2, label %_llgo_1
@@ -57,6 +57,8 @@ _llgo_2:                                          ; preds = %_llgo_1, %_llgo_0
   ret void
 }
 
-declare ptr @"github.com/goplus/llgo/runtime/internal/runtime.AllocZ"(i64)
+declare ptr @"github.com/goplus/llgo/runtime/internal/runtime.AllocZ"(i64) #0
 
-declare ptr @"github.com/goplus/llgo/runtime/internal/runtime.IfacePtrData"(%"github.com/goplus/llgo/runtime/internal/runtime.iface")
+declare ptr @"github.com/goplus/llgo/runtime/internal/runtime.IfacePtrData"(%"github.com/goplus/llgo/runtime/internal/runtime.iface") #0
+
+attributes #0 = { "frame-pointer"="non-leaf" }
diff --git a/cl/_testdata/fncall/out.ll b/cl/_testdata/fncall/out.ll
index e06c96e4f2..9c29f83553 100644
--- a/cl/_testdata/fncall/out.ll
+++ b/cl/_testdata/fncall/out.ll
@@ -3,7 +3,7 @@ source_filename = "github.com/goplus/llgo/cl/_testdata/fncall"
 
 @"github.com/goplus/llgo/cl/_testdata/fncall.init$guard" = global i1 false, align 1
 
-define void @"github.com/goplus/llgo/cl/_testdata/fncall.init"() {
+define void @"github.com/goplus/llgo/cl/_testdata/fncall.init"() #0 {
 _llgo_0:
   %0 = load i1, ptr @"github.com/goplus/llgo/cl/_testdata/fncall.init$guard", align 1
   br i1 %0, label %_llgo_2, label %_llgo_1
@@ -16,13 +16,13 @@ _llgo_2:                                          ; preds = %_llgo_1, %_llgo_0
   ret void
 }
 
-define void @"github.com/goplus/llgo/cl/_testdata/fncall.main"() {
+define void @"github.com/goplus/llgo/cl/_testdata/fncall.main"() #0 {
 _llgo_0:
   %0 = call i64 @"github.com/goplus/llgo/cl/_testdata/fncall.max"(i64 1, i64 2)
   ret void
 }
 
-define i64 @"github.com/goplus/llgo/cl/_testdata/fncall.max"(i64 %0, i64 %1) {
+define i64 @"github.com/goplus/llgo/cl/_testdata/fncall.max"(i64 %0, i64 %1) #0 {
 _llgo_0:
   %2 = icmp sgt i64 %0, %1
   br i1 %2, label %_llgo_1, label %_llgo_2
@@ -33,3 +33,5 @@ _llgo_1:                                          ; preds = %_llgo_0
 _llgo_2:                                          ; preds = %_llgo_0
   ret i64 %1
 }
+
+attributes #0 = { "frame-pointer"="non-leaf" }
diff --git a/cl/_testdata/foo/out.ll b/cl/_testdata/foo/out.ll
index 2deb0f303e..20899e2e5c 100644
--- a/cl/_testdata/foo/out.ll
+++ b/cl/_testdata/foo/out.ll
@@ -27,7 +27,7 @@ source_filename = "github.com/goplus/llgo/cl/_testdata/foo"
 @"github.com/goplus/llgo/cl/_testdata/foo.struct$MYpsoM99ZwFY087IpUOkIw1zjBA_sgFXVodmn1m-G88$fields" = weak_odr constant [1 x %"github.com/goplus/llgo/runtime/abi.StructField"] [%"github.com/goplus/llgo/runtime/abi.StructField" { %"github.com/goplus/llgo/runtime/internal/runtime.String" { ptr @5, i64 1 }, ptr @_llgo_int, i64 0, %"github.com/goplus/llgo/runtime/internal/runtime.String" zeroinitializer, i1 false }], align 8
 @6 = private unnamed_addr constant [4 x i8] c"load", align 1
 
-define %"github.com/goplus/llgo/runtime/internal/runtime.eface" @"github.com/goplus/llgo/cl/_testdata/foo.Bar"() {
+define %"github.com/goplus/llgo/runtime/internal/runtime.eface" @"github.com/goplus/llgo/cl/_testdata/foo.Bar"() #0 {
 _llgo_0:
   %0 = alloca { i64 }, align 8
   call void @llvm.memset(ptr %0, i8 0, i64 8, i1 false)
@@ -40,7 +40,7 @@ _llgo_0:
   ret %"github.com/goplus/llgo/runtime/internal/runtime.eface" %5
 }
 
-define %"github.com/goplus/llgo/runtime/internal/runtime.eface" @"github.com/goplus/llgo/cl/_testdata/foo.F"() {
+define %"github.com/goplus/llgo/runtime/internal/runtime.eface" @"github.com/goplus/llgo/cl/_testdata/foo.F"() #0 {
 _llgo_0:
   %0 = alloca { i64 }, align 8
   call void @llvm.memset(ptr %0, i8 0, i64 8, i1 false)
@@ -53,7 +53,7 @@ _llgo_0:
   ret %"github.com/goplus/llgo/runtime/internal/runtime.eface" %5
 }
 
-define ptr @"github.com/goplus/llgo/cl/_testdata/foo.Foo.Pb"(%"github.com/goplus/llgo/cl/_testdata/foo.Foo" %0) {
+define ptr @"github.com/goplus/llgo/cl/_testdata/foo.Foo.Pb"(%"github.com/goplus/llgo/cl/_testdata/foo.Foo" %0) #0 {
 _llgo_0:
   %1 = alloca %"github.com/goplus/llgo/cl/_testdata/foo.Foo", align 8
   call void @llvm.memset(ptr %1, i8 0, i64 16, i1 false)
@@ -63,26 +63,26 @@ _llgo_0:
   ret ptr %3
 }
 
-define ptr @"github.com/goplus/llgo/cl/_testdata/foo.(*Foo).Pb"(ptr %0) {
+define ptr @"github.com/goplus/llgo/cl/_testdata/foo.(*Foo).Pb"(ptr %0) #0 {
 _llgo_0:
   %1 = load %"github.com/goplus/llgo/cl/_testdata/foo.Foo", ptr %0, align 8
   %2 = call ptr @"github.com/goplus/llgo/cl/_testdata/foo.Foo.Pb"(%"github.com/goplus/llgo/cl/_testdata/foo.Foo" %1)
   ret ptr %2
 }
 
-define void @"github.com/goplus/llgo/cl/_testdata/foo.(*Game).Load"(ptr %0) {
+define void @"github.com/goplus/llgo/cl/_testdata/foo.(*Game).Load"(ptr %0) #0 {
 _llgo_0:
   call void @"github.com/goplus/llgo/runtime/internal/runtime.PrintString"(%"github.com/goplus/llgo/runtime/internal/runtime.String" { ptr @6, i64 4 })
   call void @"github.com/goplus/llgo/runtime/internal/runtime.PrintByte"(i8 10)
   ret void
 }
 
-define void @"github.com/goplus/llgo/cl/_testdata/foo.(*Game).initGame"(ptr %0) {
+define void @"github.com/goplus/llgo/cl/_testdata/foo.(*Game).initGame"(ptr %0) #0 {
 _llgo_0:
   ret void
 }
 
-define void @"github.com/goplus/llgo/cl/_testdata/foo.init"() {
+define void @"github.com/goplus/llgo/cl/_testdata/foo.init"() #0 {
 _llgo_0:
   %0 = load i1, ptr @"github.com/goplus/llgo/cl/_testdata/foo.init$guard", align 1
   br i1 %0, label %_llgo_2, label %_llgo_1
@@ -96,28 +96,29 @@ _llgo_2:                                          ; preds = %_llgo_1, %_llgo_0
 }
 
 ; Function Attrs: nocallback nofree nounwind willreturn memory(argmem: write)
-declare void @llvm.memset(ptr nocapture writeonly, i8, i64, i1 immarg) #0
+declare void @llvm.memset(ptr nocapture writeonly, i8, i64, i1 immarg) #1
 
-declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.structequal"(ptr, ptr, ptr)
+declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.structequal"(ptr, ptr, ptr) #0
 
-declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.memequalptr"(ptr, ptr)
+declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.memequalptr"(ptr, ptr) #0
 
-define linkonce i1 @"__llgo_stub.github.com/goplus/llgo/runtime/internal/runtime.memequalptr"(ptr %0, ptr %1, ptr %2) {
+define linkonce i1 @"__llgo_stub.github.com/goplus/llgo/runtime/internal/runtime.memequalptr"(ptr %0, ptr %1, ptr %2) #0 {
 _llgo_0:
   %3 = tail call i1 @"github.com/goplus/llgo/runtime/internal/runtime.memequalptr"(ptr %1, ptr %2)
   ret i1 %3
 }
 
-declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.memequal64"(ptr, ptr)
+declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.memequal64"(ptr, ptr) #0
 
-define linkonce i1 @"__llgo_stub.github.com/goplus/llgo/runtime/internal/runtime.memequal64"(ptr %0, ptr %1, ptr %2) {
+define linkonce i1 @"__llgo_stub.github.com/goplus/llgo/runtime/internal/runtime.memequal64"(ptr %0, ptr %1, ptr %2) #0 {
 _llgo_0:
   %3 = tail call i1 @"github.com/goplus/llgo/runtime/internal/runtime.memequal64"(ptr %1, ptr %2)
   ret i1 %3
 }
 
-declare void @"github.com/goplus/llgo/runtime/internal/runtime.PrintString"(%"github.com/goplus/llgo/runtime/internal/runtime.String")
+declare void @"github.com/goplus/llgo/runtime/internal/runtime.PrintString"(%"github.com/goplus/llgo/runtime/internal/runtime.String") #0
 
-declare void @"github.com/goplus/llgo/runtime/internal/runtime.PrintByte"(i8)
+declare void @"github.com/goplus/llgo/runtime/internal/runtime.PrintByte"(i8) #0
 
-attributes #0 = { nocallback nofree nounwind willreturn memory(argmem: write) }
+attributes #0 = { "frame-pointer"="non-leaf" }
+attributes #1 = { nocallback nofree nounwind willreturn memory(argmem: write) "frame-pointer"="non-leaf" }
diff --git a/cl/_testdata/geometry1370/out.ll b/cl/_testdata/geometry1370/out.ll
index 0651810645..3e5e8b6919 100644
--- a/cl/_testdata/geometry1370/out.ll
+++ b/cl/_testdata/geometry1370/out.ll
@@ -6,7 +6,7 @@ source_filename = "github.com/goplus/llgo/cl/_testdata/geometry1370"
 
 @"github.com/goplus/llgo/cl/_testdata/geometry1370.init$guard" = global i1 false, align 1
 
-define ptr @"github.com/goplus/llgo/cl/_testdata/geometry1370.NewRectangle"(double %0, double %1) {
+define ptr @"github.com/goplus/llgo/cl/_testdata/geometry1370.NewRectangle"(double %0, double %1) #0 {
 _llgo_0:
   %2 = call ptr @"github.com/goplus/llgo/runtime/internal/runtime.AllocZ"(i64 24)
   %3 = getelementptr inbounds %"github.com/goplus/llgo/cl/_testdata/geometry1370.Rectangle", ptr %2, i32 0, i32 0
@@ -16,7 +16,7 @@ _llgo_0:
   ret ptr %2
 }
 
-define double @"github.com/goplus/llgo/cl/_testdata/geometry1370.(*Rectangle).Area"(ptr %0) {
+define double @"github.com/goplus/llgo/cl/_testdata/geometry1370.(*Rectangle).Area"(ptr %0) #0 {
 _llgo_0:
   %1 = getelementptr inbounds %"github.com/goplus/llgo/cl/_testdata/geometry1370.Rectangle", ptr %0, i32 0, i32 0
   %2 = load double, ptr %1, align 8
@@ -26,21 +26,21 @@ _llgo_0:
   ret double %5
 }
 
-define i64 @"github.com/goplus/llgo/cl/_testdata/geometry1370.(*Rectangle).GetID"(ptr %0) {
+define i64 @"github.com/goplus/llgo/cl/_testdata/geometry1370.(*Rectangle).GetID"(ptr %0) #0 {
 _llgo_0:
   %1 = getelementptr inbounds %"github.com/goplus/llgo/cl/_testdata/geometry1370.Rectangle", ptr %0, i32 0, i32 2
   %2 = load i64, ptr %1, align 4
   ret i64 %2
 }
 
-define void @"github.com/goplus/llgo/cl/_testdata/geometry1370.(*Rectangle).setID"(ptr %0, i64 %1) {
+define void @"github.com/goplus/llgo/cl/_testdata/geometry1370.(*Rectangle).setID"(ptr %0, i64 %1) #0 {
 _llgo_0:
   %2 = getelementptr inbounds %"github.com/goplus/llgo/cl/_testdata/geometry1370.Rectangle", ptr %0, i32 0, i32 2
   store i64 %1, ptr %2, align 4
   ret void
 }
 
-define i1 @"github.com/goplus/llgo/cl/_testdata/geometry1370.(*Rectangle).validate"(ptr %0) {
+define i1 @"github.com/goplus/llgo/cl/_testdata/geometry1370.(*Rectangle).validate"(ptr %0) #0 {
 _llgo_0:
   %1 = getelementptr inbounds %"github.com/goplus/llgo/cl/_testdata/geometry1370.Rectangle", ptr %0, i32 0, i32 0
   %2 = load double, ptr %1, align 8
@@ -58,7 +58,7 @@ _llgo_2:                                          ; preds = %_llgo_1, %_llgo_0
   ret i1 %7
 }
 
-define void @"github.com/goplus/llgo/cl/_testdata/geometry1370.RegisterShape"(%"github.com/goplus/llgo/runtime/internal/runtime.iface" %0, i64 %1) {
+define void @"github.com/goplus/llgo/cl/_testdata/geometry1370.RegisterShape"(%"github.com/goplus/llgo/runtime/internal/runtime.iface" %0, i64 %1) #0 {
 _llgo_0:
   %2 = call ptr @"github.com/goplus/llgo/runtime/internal/runtime.IfacePtrData"(%"github.com/goplus/llgo/runtime/internal/runtime.iface" %0)
   %3 = extractvalue %"github.com/goplus/llgo/runtime/internal/runtime.iface" %0, 0
@@ -72,7 +72,7 @@ _llgo_0:
   ret void
 }
 
-define void @"github.com/goplus/llgo/cl/_testdata/geometry1370.init"() {
+define void @"github.com/goplus/llgo/cl/_testdata/geometry1370.init"() #0 {
 _llgo_0:
   %0 = load i1, ptr @"github.com/goplus/llgo/cl/_testdata/geometry1370.init$guard", align 1
   br i1 %0, label %_llgo_2, label %_llgo_1
@@ -85,6 +85,8 @@ _llgo_2:                                          ; preds = %_llgo_1, %_llgo_0
   ret void
 }
 
-declare ptr @"github.com/goplus/llgo/runtime/internal/runtime.AllocZ"(i64)
+declare ptr @"github.com/goplus/llgo/runtime/internal/runtime.AllocZ"(i64) #0
 
-declare ptr @"github.com/goplus/llgo/runtime/internal/runtime.IfacePtrData"(%"github.com/goplus/llgo/runtime/internal/runtime.iface")
+declare ptr @"github.com/goplus/llgo/runtime/internal/runtime.IfacePtrData"(%"github.com/goplus/llgo/runtime/internal/runtime.iface") #0
+
+attributes #0 = { "frame-pointer"="non-leaf" }
diff --git a/cl/_testdata/importpkg/out.ll b/cl/_testdata/importpkg/out.ll
index 1567703d01..7eb5b97176 100644
--- a/cl/_testdata/importpkg/out.ll
+++ b/cl/_testdata/importpkg/out.ll
@@ -4,7 +4,7 @@ source_filename = "github.com/goplus/llgo/cl/_testdata/importpkg"
 @"github.com/goplus/llgo/cl/_testdata/importpkg.hello" = global [7 x i8] zeroinitializer, align 1
 @"github.com/goplus/llgo/cl/_testdata/importpkg.init$guard" = global i1 false, align 1
 
-define void @"github.com/goplus/llgo/cl/_testdata/importpkg.init"() {
+define void @"github.com/goplus/llgo/cl/_testdata/importpkg.init"() #0 {
 _llgo_0:
   %0 = load i1, ptr @"github.com/goplus/llgo/cl/_testdata/importpkg.init$guard", align 1
   br i1 %0, label %_llgo_2, label %_llgo_1
@@ -25,15 +25,17 @@ _llgo_2:                                          ; preds = %_llgo_1, %_llgo_0
   ret void
 }
 
-define void @"github.com/goplus/llgo/cl/_testdata/importpkg.main"() {
+define void @"github.com/goplus/llgo/cl/_testdata/importpkg.main"() #0 {
 _llgo_0:
   %0 = call i64 @"github.com/goplus/llgo/cl/_testdata/importpkg/stdio.Max"(i64 2, i64 100)
   call void (ptr, ...) @printf(ptr @"github.com/goplus/llgo/cl/_testdata/importpkg.hello")
   ret void
 }
 
-declare void @"github.com/goplus/llgo/cl/_testdata/importpkg/stdio.init"()
+declare void @"github.com/goplus/llgo/cl/_testdata/importpkg/stdio.init"() #0
 
-declare i64 @"github.com/goplus/llgo/cl/_testdata/importpkg/stdio.Max"(i64, i64)
+declare i64 @"github.com/goplus/llgo/cl/_testdata/importpkg/stdio.Max"(i64, i64) #0
 
-declare void @printf(ptr, ...)
+declare void @printf(ptr, ...) #0
+
+attributes #0 = { "frame-pointer"="non-leaf" }
diff --git a/cl/_testdata/llgointrinsics/out.ll b/cl/_testdata/llgointrinsics/out.ll
index 9155074b55..435543e5d2 100644
--- a/cl/_testdata/llgointrinsics/out.ll
+++ b/cl/_testdata/llgointrinsics/out.ll
@@ -3,22 +3,22 @@ source_filename = "github.com/goplus/llgo/cl/_testdata/llgointrinsics"
 
 @"github.com/goplus/llgo/cl/_testdata/llgointrinsics.init$guard" = global i1 false, align 1
 
-define i64 @"github.com/goplus/llgo/cl/_testdata/llgointrinsics.UseBare"() {
+define i64 @"github.com/goplus/llgo/cl/_testdata/llgointrinsics.UseBare"() #0 {
 _llgo_0:
   ret i64 ptrtoint (ptr @bar to i64)
 }
 
-define i64 @"github.com/goplus/llgo/cl/_testdata/llgointrinsics.UseC"() {
+define i64 @"github.com/goplus/llgo/cl/_testdata/llgointrinsics.UseC"() #0 {
 _llgo_0:
   ret i64 ptrtoint (ptr @write to i64)
 }
 
-define i64 @"github.com/goplus/llgo/cl/_testdata/llgointrinsics.UseCTrampoline"() {
+define i64 @"github.com/goplus/llgo/cl/_testdata/llgointrinsics.UseCTrampoline"() #0 {
 _llgo_0:
   ret i64 ptrtoint (ptr @write to i64)
 }
 
-define i64 @"github.com/goplus/llgo/cl/_testdata/llgointrinsics.UseClosure"() {
+define i64 @"github.com/goplus/llgo/cl/_testdata/llgointrinsics.UseClosure"() #0 {
 _llgo_0:
   %0 = call ptr @"github.com/goplus/llgo/runtime/internal/runtime.AllocZ"(i64 8)
   %1 = call ptr @"github.com/goplus/llgo/runtime/internal/runtime.AllocU"(i64 8)
@@ -28,7 +28,7 @@ _llgo_0:
   ret i64 ptrtoint (ptr @"github.com/goplus/llgo/cl/_testdata/llgointrinsics.UseClosure$1" to i64)
 }
 
-define void @"github.com/goplus/llgo/cl/_testdata/llgointrinsics.UseClosure$1"(ptr %0) {
+define void @"github.com/goplus/llgo/cl/_testdata/llgointrinsics.UseClosure$1"(ptr %0) #0 {
 _llgo_0:
   %1 = load { ptr }, ptr %0, align 8
   %2 = extractvalue { ptr } %1, 0
@@ -39,22 +39,22 @@ _llgo_0:
   ret void
 }
 
-define i64 @"github.com/goplus/llgo/cl/_testdata/llgointrinsics.UseFunc"() {
+define i64 @"github.com/goplus/llgo/cl/_testdata/llgointrinsics.UseFunc"() #0 {
 _llgo_0:
   ret i64 ptrtoint (ptr @"github.com/goplus/llgo/cl/_testdata/llgointrinsics.UseFunc$1" to i64)
 }
 
-define void @"github.com/goplus/llgo/cl/_testdata/llgointrinsics.UseFunc$1"() {
+define void @"github.com/goplus/llgo/cl/_testdata/llgointrinsics.UseFunc$1"() #0 {
 _llgo_0:
   ret void
 }
 
-define i64 @"github.com/goplus/llgo/cl/_testdata/llgointrinsics.UseLibc"() {
+define i64 @"github.com/goplus/llgo/cl/_testdata/llgointrinsics.UseLibc"() #0 {
 _llgo_0:
   ret i64 ptrtoint (ptr @foo to i64)
 }
 
-define void @"github.com/goplus/llgo/cl/_testdata/llgointrinsics.UseSkip"() {
+define void @"github.com/goplus/llgo/cl/_testdata/llgointrinsics.UseSkip"() #0 {
 _llgo_0:
   call void @"github.com/goplus/llgo/runtime/internal/runtime.PrintUint"(i64 0)
   call void @"github.com/goplus/llgo/runtime/internal/runtime.PrintUint"(i64 0)
@@ -62,7 +62,7 @@ _llgo_0:
   ret void
 }
 
-define void @"github.com/goplus/llgo/cl/_testdata/llgointrinsics.init"() {
+define void @"github.com/goplus/llgo/cl/_testdata/llgointrinsics.init"() #0 {
 _llgo_0:
   %0 = load i1, ptr @"github.com/goplus/llgo/cl/_testdata/llgointrinsics.init$guard", align 1
   br i1 %0, label %_llgo_2, label %_llgo_1
@@ -75,14 +75,16 @@ _llgo_2:                                          ; preds = %_llgo_1, %_llgo_0
   ret void
 }
 
-declare i64 @bar(...)
+declare i64 @bar(...) #0
 
-declare i64 @write(i64, ptr, i64)
+declare i64 @write(i64, ptr, i64) #0
 
-declare ptr @"github.com/goplus/llgo/runtime/internal/runtime.AllocZ"(i64)
+declare ptr @"github.com/goplus/llgo/runtime/internal/runtime.AllocZ"(i64) #0
 
-declare ptr @"github.com/goplus/llgo/runtime/internal/runtime.AllocU"(i64)
+declare ptr @"github.com/goplus/llgo/runtime/internal/runtime.AllocU"(i64) #0
 
-declare i64 @foo(...)
+declare i64 @foo(...) #0
 
-declare void @"github.com/goplus/llgo/runtime/internal/runtime.PrintUint"(i64)
+declare void @"github.com/goplus/llgo/runtime/internal/runtime.PrintUint"(i64) #0
+
+attributes #0 = { "frame-pointer"="non-leaf" }
diff --git a/cl/_testdata/llgosyscall/out.ll b/cl/_testdata/llgosyscall/out.ll
index e09219b24a..73b3f0dbc2 100644
--- a/cl/_testdata/llgosyscall/out.ll
+++ b/cl/_testdata/llgosyscall/out.ll
@@ -3,7 +3,7 @@ source_filename = "github.com/goplus/llgo/cl/_testdata/llgosyscall"
 
 @"github.com/goplus/llgo/cl/_testdata/llgosyscall.init$guard" = global i1 false, align 1
 
-define i64 @"github.com/goplus/llgo/cl/_testdata/llgosyscall.Use"() {
+define i64 @"github.com/goplus/llgo/cl/_testdata/llgosyscall.Use"() #0 {
 _llgo_0:
   %0 = call i64 null(i64 1, i64 2, i64 3)
   %1 = icmp eq i64 %0, -1
@@ -19,7 +19,7 @@ _llgo_0:
   ret i64 %8
 }
 
-define i64 @"github.com/goplus/llgo/cl/_testdata/llgosyscall.Use6"() {
+define i64 @"github.com/goplus/llgo/cl/_testdata/llgosyscall.Use6"() #0 {
 _llgo_0:
   %0 = call i64 null(i64 1, i64 2, i64 3, i64 4, i64 5, i64 6)
   %1 = icmp eq i64 %0, -1
@@ -35,7 +35,7 @@ _llgo_0:
   ret i64 %8
 }
 
-define i64 @"github.com/goplus/llgo/cl/_testdata/llgosyscall.Use6X"() {
+define i64 @"github.com/goplus/llgo/cl/_testdata/llgosyscall.Use6X"() #0 {
 _llgo_0:
   %0 = call i64 null(i64 1, i64 2, i64 3, i64 4, i64 5, i64 6)
   %1 = icmp eq i64 %0, -1
@@ -51,7 +51,7 @@ _llgo_0:
   ret i64 %8
 }
 
-define i64 @"github.com/goplus/llgo/cl/_testdata/llgosyscall.UsePtr"() {
+define i64 @"github.com/goplus/llgo/cl/_testdata/llgosyscall.UsePtr"() #0 {
 _llgo_0:
   %0 = call i64 null(i64 1, i64 2, i64 3)
   %1 = icmp eq i64 %0, -1
@@ -67,7 +67,7 @@ _llgo_0:
   ret i64 %8
 }
 
-define i64 @"github.com/goplus/llgo/cl/_testdata/llgosyscall.UseRaw"() {
+define i64 @"github.com/goplus/llgo/cl/_testdata/llgosyscall.UseRaw"() #0 {
 _llgo_0:
   %0 = call i64 null(i64 1, i64 2, i64 3)
   %1 = icmp eq i64 %0, -1
@@ -83,7 +83,7 @@ _llgo_0:
   ret i64 %8
 }
 
-define i64 @"github.com/goplus/llgo/cl/_testdata/llgosyscall.UseRaw6"() {
+define i64 @"github.com/goplus/llgo/cl/_testdata/llgosyscall.UseRaw6"() #0 {
 _llgo_0:
   %0 = call i64 null(i64 1, i64 2, i64 3, i64 4, i64 5, i64 6)
   %1 = icmp eq i64 %0, -1
@@ -99,7 +99,7 @@ _llgo_0:
   ret i64 %8
 }
 
-define void @"github.com/goplus/llgo/cl/_testdata/llgosyscall.init"() {
+define void @"github.com/goplus/llgo/cl/_testdata/llgosyscall.init"() #0 {
 _llgo_0:
   %0 = load i1, ptr @"github.com/goplus/llgo/cl/_testdata/llgosyscall.init$guard", align 1
   br i1 %0, label %_llgo_2, label %_llgo_1
@@ -112,4 +112,6 @@ _llgo_2:                                          ; preds = %_llgo_1, %_llgo_0
   ret void
 }
 
-declare i32 @cliteErrno()
+declare i32 @cliteErrno() #0
+
+attributes #0 = { "frame-pointer"="non-leaf" }
diff --git a/cl/_testdata/llgotag/out.ll b/cl/_testdata/llgotag/out.ll
index 568edce1f5..3dbd25ecba 100644
--- a/cl/_testdata/llgotag/out.ll
+++ b/cl/_testdata/llgotag/out.ll
@@ -3,12 +3,12 @@ source_filename = "github.com/goplus/llgo/cl/_testdata/llgotag"
 
 @"github.com/goplus/llgo/cl/_testdata/llgotag.init$guard" = global i1 false, align 1
 
-define void @"github.com/goplus/llgo/cl/_testdata/llgotag.Foo"() {
+define void @"github.com/goplus/llgo/cl/_testdata/llgotag.Foo"() #0 {
 _llgo_0:
   ret void
 }
 
-define void @"github.com/goplus/llgo/cl/_testdata/llgotag.init"() {
+define void @"github.com/goplus/llgo/cl/_testdata/llgotag.init"() #0 {
 _llgo_0:
   %0 = load i1, ptr @"github.com/goplus/llgo/cl/_testdata/llgotag.init$guard", align 1
   br i1 %0, label %_llgo_2, label %_llgo_1
@@ -20,3 +20,5 @@ _llgo_1:                                          ; preds = %_llgo_0
 _llgo_2:                                          ; preds = %_llgo_1, %_llgo_0
   ret void
 }
+
+attributes #0 = { "frame-pointer"="non-leaf" }
diff --git a/cl/_testdata/method/out.ll b/cl/_testdata/method/out.ll
index 084879510a..baad5a81d8 100644
--- a/cl/_testdata/method/out.ll
+++ b/cl/_testdata/method/out.ll
@@ -4,20 +4,20 @@ source_filename = "github.com/goplus/llgo/cl/_testdata/method"
 @"github.com/goplus/llgo/cl/_testdata/method.format" = global [10 x i8] zeroinitializer, align 1
 @"github.com/goplus/llgo/cl/_testdata/method.init$guard" = global i1 false, align 1
 
-define i64 @"github.com/goplus/llgo/cl/_testdata/method.T.Add"(i64 %0, i64 %1) {
+define i64 @"github.com/goplus/llgo/cl/_testdata/method.T.Add"(i64 %0, i64 %1) #0 {
 _llgo_0:
   %2 = add i64 %0, %1
   ret i64 %2
 }
 
-define i64 @"github.com/goplus/llgo/cl/_testdata/method.(*T).Add"(ptr %0, i64 %1) {
+define i64 @"github.com/goplus/llgo/cl/_testdata/method.(*T).Add"(ptr %0, i64 %1) #0 {
 _llgo_0:
   %2 = load i64, ptr %0, align 4
   %3 = call i64 @"github.com/goplus/llgo/cl/_testdata/method.T.Add"(i64 %2, i64 %1)
   ret i64 %3
 }
 
-define void @"github.com/goplus/llgo/cl/_testdata/method.init"() {
+define void @"github.com/goplus/llgo/cl/_testdata/method.init"() #0 {
 _llgo_0:
   %0 = load i1, ptr @"github.com/goplus/llgo/cl/_testdata/method.init$guard", align 1
   br i1 %0, label %_llgo_2, label %_llgo_1
@@ -40,11 +40,13 @@ _llgo_2:                                          ; preds = %_llgo_1, %_llgo_0
   ret void
 }
 
-define void @"github.com/goplus/llgo/cl/_testdata/method.main"() {
+define void @"github.com/goplus/llgo/cl/_testdata/method.main"() #0 {
 _llgo_0:
   %0 = call i64 @"github.com/goplus/llgo/cl/_testdata/method.T.Add"(i64 1, i64 2)
   call void (ptr, ...) @printf(ptr @"github.com/goplus/llgo/cl/_testdata/method.format", i64 %0)
   ret void
 }
 
-declare void @printf(ptr, ...)
+declare void @printf(ptr, ...) #0
+
+attributes #0 = { "frame-pointer"="non-leaf" }
diff --git a/cl/_testdata/print/out.ll b/cl/_testdata/print/out.ll
index 9219560bd0..b0980110e4 100644
--- a/cl/_testdata/print/out.ll
+++ b/cl/_testdata/print/out.ll
@@ -78,7 +78,7 @@ source_filename = "github.com/goplus/llgo/cl/_testdata/print"
 @30 = private unnamed_addr constant [1 x i8] c" ", align 1
 @31 = private unnamed_addr constant [1 x i8] c"\0A", align 1
 
-define %"github.com/goplus/llgo/runtime/internal/runtime.Slice" @"github.com/goplus/llgo/cl/_testdata/print.bytes"(%"github.com/goplus/llgo/runtime/internal/runtime.String" %0) {
+define %"github.com/goplus/llgo/runtime/internal/runtime.Slice" @"github.com/goplus/llgo/cl/_testdata/print.bytes"(%"github.com/goplus/llgo/runtime/internal/runtime.String" %0) #0 {
 _llgo_0:
   %1 = call ptr @"github.com/goplus/llgo/runtime/internal/runtime.AllocZ"(i64 16)
   store %"github.com/goplus/llgo/runtime/internal/runtime.String" %0, ptr %1, align 8
@@ -100,7 +100,7 @@ _llgo_0:
   ret %"github.com/goplus/llgo/runtime/internal/runtime.Slice" %13
 }
 
-define void @"github.com/goplus/llgo/cl/_testdata/print.gwrite"(%"github.com/goplus/llgo/runtime/internal/runtime.Slice" %0) {
+define void @"github.com/goplus/llgo/cl/_testdata/print.gwrite"(%"github.com/goplus/llgo/runtime/internal/runtime.Slice" %0) #0 {
 _llgo_0:
   %1 = extractvalue %"github.com/goplus/llgo/runtime/internal/runtime.Slice" %0, 1
   %2 = icmp eq i64 %1, 0
@@ -135,7 +135,7 @@ _llgo_5:                                          ; preds = %_llgo_3
   ret void
 }
 
-define void @"github.com/goplus/llgo/cl/_testdata/print.init"() {
+define void @"github.com/goplus/llgo/cl/_testdata/print.init"() #0 {
 _llgo_0:
   %0 = load i1, ptr @"github.com/goplus/llgo/cl/_testdata/print.init$guard", align 1
   br i1 %0, label %_llgo_2, label %_llgo_1
@@ -149,7 +149,7 @@ _llgo_2:                                          ; preds = %_llgo_1, %_llgo_0
   ret void
 }
 
-define void @"github.com/goplus/llgo/cl/_testdata/print.main"() {
+define void @"github.com/goplus/llgo/cl/_testdata/print.main"() #0 {
 _llgo_0:
   call void @"github.com/goplus/llgo/cl/_testdata/print.printstring"(%"github.com/goplus/llgo/runtime/internal/runtime.String" { ptr @1, i64 4 })
   call void @"github.com/goplus/llgo/cl/_testdata/print.printnl"()
@@ -257,21 +257,21 @@ _llgo_3:                                          ; preds = %_llgo_0
   br i1 true, label %_llgo_1, label %_llgo_2
 }
 
-define void @"github.com/goplus/llgo/cl/_testdata/print.prinfsub"(double %0) {
+define void @"github.com/goplus/llgo/cl/_testdata/print.prinfsub"(double %0) #0 {
 _llgo_0:
   %1 = fneg double %0
   call void @"github.com/goplus/llgo/cl/_testdata/print.printfloat"(double %1)
   ret void
 }
 
-define void @"github.com/goplus/llgo/cl/_testdata/print.prinsub"(i64 %0) {
+define void @"github.com/goplus/llgo/cl/_testdata/print.prinsub"(i64 %0) #0 {
 _llgo_0:
   %1 = sub i64 0, %0
   call void @"github.com/goplus/llgo/cl/_testdata/print.printint"(i64 %1)
   ret void
 }
 
-define void @"github.com/goplus/llgo/cl/_testdata/print.printany"(%"github.com/goplus/llgo/runtime/internal/runtime.eface" %0) {
+define void @"github.com/goplus/llgo/cl/_testdata/print.printany"(%"github.com/goplus/llgo/runtime/internal/runtime.eface" %0) #0 {
 _llgo_0:
   %1 = extractvalue %"github.com/goplus/llgo/runtime/internal/runtime.eface" %0, 0
   %2 = icmp eq ptr %1, @_llgo_bool
@@ -730,7 +730,7 @@ _llgo_85:                                         ; preds = %_llgo_84, %_llgo_83
   br i1 %176, label %_llgo_34, label %_llgo_1
 }
 
-define void @"github.com/goplus/llgo/cl/_testdata/print.printbool"(i1 %0) {
+define void @"github.com/goplus/llgo/cl/_testdata/print.printbool"(i1 %0) #0 {
 _llgo_0:
   br i1 %0, label %_llgo_1, label %_llgo_3
 
@@ -746,7 +746,7 @@ _llgo_3:                                          ; preds = %_llgo_0
   br label %_llgo_2
 }
 
-define void @"github.com/goplus/llgo/cl/_testdata/print.printfloat"(double %0) {
+define void @"github.com/goplus/llgo/cl/_testdata/print.printfloat"(double %0) #0 {
 _llgo_0:
   %1 = fcmp une double %0, %0
   br i1 %1, label %_llgo_1, label %_llgo_3
@@ -935,7 +935,7 @@ _llgo_29:                                         ; preds = %_llgo_28, %_llgo_27
   ret void
 }
 
-define void @"github.com/goplus/llgo/cl/_testdata/print.printhex"(i64 %0) {
+define void @"github.com/goplus/llgo/cl/_testdata/print.printhex"(i64 %0) #0 {
 _llgo_0:
   %1 = call ptr @"github.com/goplus/llgo/runtime/internal/runtime.AllocZ"(i64 100)
   br label %_llgo_3
@@ -992,7 +992,7 @@ _llgo_5:                                          ; preds = %_llgo_1
   br i1 %29, label %_llgo_2, label %_llgo_4
 }
 
-define void @"github.com/goplus/llgo/cl/_testdata/print.printint"(i64 %0) {
+define void @"github.com/goplus/llgo/cl/_testdata/print.printint"(i64 %0) #0 {
 _llgo_0:
   %1 = icmp slt i64 %0, 0
   br i1 %1, label %_llgo_1, label %_llgo_2
@@ -1008,7 +1008,7 @@ _llgo_2:                                          ; preds = %_llgo_1, %_llgo_0
   ret void
 }
 
-define void @"github.com/goplus/llgo/cl/_testdata/print.println"(%"github.com/goplus/llgo/runtime/internal/runtime.Slice" %0) {
+define void @"github.com/goplus/llgo/cl/_testdata/print.println"(%"github.com/goplus/llgo/runtime/internal/runtime.Slice" %0) #0 {
 _llgo_0:
   %1 = extractvalue %"github.com/goplus/llgo/runtime/internal/runtime.Slice" %0, 1
   br label %_llgo_1
@@ -1044,26 +1044,26 @@ _llgo_5:                                          ; preds = %_llgo_4, %_llgo_2
   br label %_llgo_1
 }
 
-define void @"github.com/goplus/llgo/cl/_testdata/print.printnl"() {
+define void @"github.com/goplus/llgo/cl/_testdata/print.printnl"() #0 {
 _llgo_0:
   call void @"github.com/goplus/llgo/cl/_testdata/print.printstring"(%"github.com/goplus/llgo/runtime/internal/runtime.String" { ptr @31, i64 1 })
   ret void
 }
 
-define void @"github.com/goplus/llgo/cl/_testdata/print.printsp"() {
+define void @"github.com/goplus/llgo/cl/_testdata/print.printsp"() #0 {
 _llgo_0:
   call void @"github.com/goplus/llgo/cl/_testdata/print.printstring"(%"github.com/goplus/llgo/runtime/internal/runtime.String" { ptr @30, i64 1 })
   ret void
 }
 
-define void @"github.com/goplus/llgo/cl/_testdata/print.printstring"(%"github.com/goplus/llgo/runtime/internal/runtime.String" %0) {
+define void @"github.com/goplus/llgo/cl/_testdata/print.printstring"(%"github.com/goplus/llgo/runtime/internal/runtime.String" %0) #0 {
 _llgo_0:
   %1 = call %"github.com/goplus/llgo/runtime/internal/runtime.Slice" @"github.com/goplus/llgo/cl/_testdata/print.bytes"(%"github.com/goplus/llgo/runtime/internal/runtime.String" %0)
   call void @"github.com/goplus/llgo/cl/_testdata/print.gwrite"(%"github.com/goplus/llgo/runtime/internal/runtime.Slice" %1)
   ret void
 }
 
-define void @"github.com/goplus/llgo/cl/_testdata/print.printuint"(i64 %0) {
+define void @"github.com/goplus/llgo/cl/_testdata/print.printuint"(i64 %0) #0 {
 _llgo_0:
   %1 = call ptr @"github.com/goplus/llgo/runtime/internal/runtime.AllocZ"(i64 100)
   br label %_llgo_3
@@ -1098,111 +1098,113 @@ _llgo_4:                                          ; preds = %_llgo_1
   br label %_llgo_3
 }
 
-define void @"github.com/goplus/llgo/cl/_testdata/print.prinusub"(i64 %0) {
+define void @"github.com/goplus/llgo/cl/_testdata/print.prinusub"(i64 %0) #0 {
 _llgo_0:
   %1 = sub i64 0, %0
   call void @"github.com/goplus/llgo/cl/_testdata/print.printuint"(i64 %1)
   ret void
 }
 
-define void @"github.com/goplus/llgo/cl/_testdata/print.prinxor"(i64 %0) {
+define void @"github.com/goplus/llgo/cl/_testdata/print.prinxor"(i64 %0) #0 {
 _llgo_0:
   %1 = xor i64 %0, -1
   call void @"github.com/goplus/llgo/cl/_testdata/print.printint"(i64 %1)
   ret void
 }
 
-define ptr @"github.com/goplus/llgo/cl/_testdata/print.stringStructOf"(ptr %0) {
+define ptr @"github.com/goplus/llgo/cl/_testdata/print.stringStructOf"(ptr %0) #0 {
 _llgo_0:
   ret ptr %0
 }
 
-declare ptr @"github.com/goplus/llgo/runtime/internal/runtime.AllocZ"(i64)
+declare ptr @"github.com/goplus/llgo/runtime/internal/runtime.AllocZ"(i64) #0
 
-declare void @"github.com/goplus/llgo/runtime/internal/runtime.AssertIndexRange"(i1)
+declare void @"github.com/goplus/llgo/runtime/internal/runtime.AssertIndexRange"(i1) #0
 
-declare i32 @printf(ptr, ...)
+declare i32 @printf(ptr, ...) #0
 
-declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.f32equal"(ptr, ptr)
+declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.f32equal"(ptr, ptr) #0
 
-define linkonce i1 @"__llgo_stub.github.com/goplus/llgo/runtime/internal/runtime.f32equal"(ptr %0, ptr %1, ptr %2) {
+define linkonce i1 @"__llgo_stub.github.com/goplus/llgo/runtime/internal/runtime.f32equal"(ptr %0, ptr %1, ptr %2) #0 {
 _llgo_0:
   %3 = tail call i1 @"github.com/goplus/llgo/runtime/internal/runtime.f32equal"(ptr %1, ptr %2)
   ret i1 %3
 }
 
-declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.memequalptr"(ptr, ptr)
+declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.memequalptr"(ptr, ptr) #0
 
-define linkonce i1 @"__llgo_stub.github.com/goplus/llgo/runtime/internal/runtime.memequalptr"(ptr %0, ptr %1, ptr %2) {
+define linkonce i1 @"__llgo_stub.github.com/goplus/llgo/runtime/internal/runtime.memequalptr"(ptr %0, ptr %1, ptr %2) #0 {
 _llgo_0:
   %3 = tail call i1 @"github.com/goplus/llgo/runtime/internal/runtime.memequalptr"(ptr %1, ptr %2)
   ret i1 %3
 }
 
-declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.f64equal"(ptr, ptr)
+declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.f64equal"(ptr, ptr) #0
 
-define linkonce i1 @"__llgo_stub.github.com/goplus/llgo/runtime/internal/runtime.f64equal"(ptr %0, ptr %1, ptr %2) {
+define linkonce i1 @"__llgo_stub.github.com/goplus/llgo/runtime/internal/runtime.f64equal"(ptr %0, ptr %1, ptr %2) #0 {
 _llgo_0:
   %3 = tail call i1 @"github.com/goplus/llgo/runtime/internal/runtime.f64equal"(ptr %1, ptr %2)
   ret i1 %3
 }
 
-declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.strequal"(ptr, ptr)
+declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.strequal"(ptr, ptr) #0
 
-define linkonce i1 @"__llgo_stub.github.com/goplus/llgo/runtime/internal/runtime.strequal"(ptr %0, ptr %1, ptr %2) {
+define linkonce i1 @"__llgo_stub.github.com/goplus/llgo/runtime/internal/runtime.strequal"(ptr %0, ptr %1, ptr %2) #0 {
 _llgo_0:
   %3 = tail call i1 @"github.com/goplus/llgo/runtime/internal/runtime.strequal"(ptr %1, ptr %2)
   ret i1 %3
 }
 
-declare ptr @"github.com/goplus/llgo/runtime/internal/runtime.AllocU"(i64)
+declare ptr @"github.com/goplus/llgo/runtime/internal/runtime.AllocU"(i64) #0
 
-declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.memequal8"(ptr, ptr)
+declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.memequal8"(ptr, ptr) #0
 
-define linkonce i1 @"__llgo_stub.github.com/goplus/llgo/runtime/internal/runtime.memequal8"(ptr %0, ptr %1, ptr %2) {
+define linkonce i1 @"__llgo_stub.github.com/goplus/llgo/runtime/internal/runtime.memequal8"(ptr %0, ptr %1, ptr %2) #0 {
 _llgo_0:
   %3 = tail call i1 @"github.com/goplus/llgo/runtime/internal/runtime.memequal8"(ptr %1, ptr %2)
   ret i1 %3
 }
 
-declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.memequal32"(ptr, ptr)
+declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.memequal32"(ptr, ptr) #0
 
-define linkonce i1 @"__llgo_stub.github.com/goplus/llgo/runtime/internal/runtime.memequal32"(ptr %0, ptr %1, ptr %2) {
+define linkonce i1 @"__llgo_stub.github.com/goplus/llgo/runtime/internal/runtime.memequal32"(ptr %0, ptr %1, ptr %2) #0 {
 _llgo_0:
   %3 = tail call i1 @"github.com/goplus/llgo/runtime/internal/runtime.memequal32"(ptr %1, ptr %2)
   ret i1 %3
 }
 
-declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.memequal16"(ptr, ptr)
+declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.memequal16"(ptr, ptr) #0
 
-define linkonce i1 @"__llgo_stub.github.com/goplus/llgo/runtime/internal/runtime.memequal16"(ptr %0, ptr %1, ptr %2) {
+define linkonce i1 @"__llgo_stub.github.com/goplus/llgo/runtime/internal/runtime.memequal16"(ptr %0, ptr %1, ptr %2) #0 {
 _llgo_0:
   %3 = tail call i1 @"github.com/goplus/llgo/runtime/internal/runtime.memequal16"(ptr %1, ptr %2)
   ret i1 %3
 }
 
-declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.memequal64"(ptr, ptr)
+declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.memequal64"(ptr, ptr) #0
 
-define linkonce i1 @"__llgo_stub.github.com/goplus/llgo/runtime/internal/runtime.memequal64"(ptr %0, ptr %1, ptr %2) {
+define linkonce i1 @"__llgo_stub.github.com/goplus/llgo/runtime/internal/runtime.memequal64"(ptr %0, ptr %1, ptr %2) #0 {
 _llgo_0:
   %3 = tail call i1 @"github.com/goplus/llgo/runtime/internal/runtime.memequal64"(ptr %1, ptr %2)
   ret i1 %3
 }
 
-declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.c128equal"(ptr, ptr)
+declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.c128equal"(ptr, ptr) #0
 
-define linkonce i1 @"__llgo_stub.github.com/goplus/llgo/runtime/internal/runtime.c128equal"(ptr %0, ptr %1, ptr %2) {
+define linkonce i1 @"__llgo_stub.github.com/goplus/llgo/runtime/internal/runtime.c128equal"(ptr %0, ptr %1, ptr %2) #0 {
 _llgo_0:
   %3 = tail call i1 @"github.com/goplus/llgo/runtime/internal/runtime.c128equal"(ptr %1, ptr %2)
   ret i1 %3
 }
 
-declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.c64equal"(ptr, ptr)
+declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.c64equal"(ptr, ptr) #0
 
-define linkonce i1 @"__llgo_stub.github.com/goplus/llgo/runtime/internal/runtime.c64equal"(ptr %0, ptr %1, ptr %2) {
+define linkonce i1 @"__llgo_stub.github.com/goplus/llgo/runtime/internal/runtime.c64equal"(ptr %0, ptr %1, ptr %2) #0 {
 _llgo_0:
   %3 = tail call i1 @"github.com/goplus/llgo/runtime/internal/runtime.c64equal"(ptr %1, ptr %2)
   ret i1 %3
 }
 
-declare %"github.com/goplus/llgo/runtime/internal/runtime.Slice" @"github.com/goplus/llgo/runtime/internal/runtime.NewSlice3"(ptr, i64, i64, i64, i64, i64)
+declare %"github.com/goplus/llgo/runtime/internal/runtime.Slice" @"github.com/goplus/llgo/runtime/internal/runtime.NewSlice3"(ptr, i64, i64, i64, i64, i64) #0
+
+attributes #0 = { "frame-pointer"="non-leaf" }
diff --git a/cl/_testdata/printf/out.ll b/cl/_testdata/printf/out.ll
index b54151d4d3..fcaf5ef7e5 100644
--- a/cl/_testdata/printf/out.ll
+++ b/cl/_testdata/printf/out.ll
@@ -4,7 +4,7 @@ source_filename = "github.com/goplus/llgo/cl/_testdata/printf"
 @"github.com/goplus/llgo/cl/_testdata/printf.hello" = global [7 x i8] zeroinitializer, align 1
 @"github.com/goplus/llgo/cl/_testdata/printf.init$guard" = global i1 false, align 1
 
-define void @"github.com/goplus/llgo/cl/_testdata/printf.init"() {
+define void @"github.com/goplus/llgo/cl/_testdata/printf.init"() #0 {
 _llgo_0:
   %0 = load i1, ptr @"github.com/goplus/llgo/cl/_testdata/printf.init$guard", align 1
   br i1 %0, label %_llgo_2, label %_llgo_1
@@ -24,10 +24,12 @@ _llgo_2:                                          ; preds = %_llgo_1, %_llgo_0
   ret void
 }
 
-define void @"github.com/goplus/llgo/cl/_testdata/printf.main"() {
+define void @"github.com/goplus/llgo/cl/_testdata/printf.main"() #0 {
 _llgo_0:
   call void (ptr, ...) @printf(ptr @"github.com/goplus/llgo/cl/_testdata/printf.hello")
   ret void
 }
 
-declare void @printf(ptr, ...)
+declare void @printf(ptr, ...) #0
+
+attributes #0 = { "frame-pointer"="non-leaf" }
diff --git a/cl/_testdata/printval/out.ll b/cl/_testdata/printval/out.ll
index 549b0809f8..6f75ae86b0 100644
--- a/cl/_testdata/printval/out.ll
+++ b/cl/_testdata/printval/out.ll
@@ -4,7 +4,7 @@ source_filename = "github.com/goplus/llgo/cl/_testdata/printval"
 @"github.com/goplus/llgo/cl/_testdata/printval.format" = global [10 x i8] zeroinitializer, align 1
 @"github.com/goplus/llgo/cl/_testdata/printval.init$guard" = global i1 false, align 1
 
-define void @"github.com/goplus/llgo/cl/_testdata/printval.init"() {
+define void @"github.com/goplus/llgo/cl/_testdata/printval.init"() #0 {
 _llgo_0:
   %0 = load i1, ptr @"github.com/goplus/llgo/cl/_testdata/printval.init$guard", align 1
   br i1 %0, label %_llgo_2, label %_llgo_1
@@ -27,10 +27,12 @@ _llgo_2:                                          ; preds = %_llgo_1, %_llgo_0
   ret void
 }
 
-define void @"github.com/goplus/llgo/cl/_testdata/printval.main"() {
+define void @"github.com/goplus/llgo/cl/_testdata/printval.main"() #0 {
 _llgo_0:
   call void (ptr, ...) @printf(ptr @"github.com/goplus/llgo/cl/_testdata/printval.format", i64 100)
   ret void
 }
 
-declare void @printf(ptr, ...)
+declare void @printf(ptr, ...) #0
+
+attributes #0 = { "frame-pointer"="non-leaf" }
diff --git a/cl/_testdata/ptrmthd/out.ll b/cl/_testdata/ptrmthd/out.ll
index 8ea0af9a5d..dbf08ae726 100644
--- a/cl/_testdata/ptrmthd/out.ll
+++ b/cl/_testdata/ptrmthd/out.ll
@@ -4,13 +4,13 @@ source_filename = "github.com/goplus/llgo/cl/_testdata/ptrmthd"
 @"github.com/goplus/llgo/cl/_testdata/ptrmthd.format" = global [10 x i8] zeroinitializer, align 1
 @"github.com/goplus/llgo/cl/_testdata/ptrmthd.init$guard" = global i1 false, align 1
 
-define void @"github.com/goplus/llgo/cl/_testdata/ptrmthd.(*T).Print"(ptr %0, i64 %1) {
+define void @"github.com/goplus/llgo/cl/_testdata/ptrmthd.(*T).Print"(ptr %0, i64 %1) #0 {
 _llgo_0:
   call void (ptr, ...) @printf(ptr %0, i64 %1)
   ret void
 }
 
-define void @"github.com/goplus/llgo/cl/_testdata/ptrmthd.init"() {
+define void @"github.com/goplus/llgo/cl/_testdata/ptrmthd.init"() #0 {
 _llgo_0:
   %0 = load i1, ptr @"github.com/goplus/llgo/cl/_testdata/ptrmthd.init$guard", align 1
   br i1 %0, label %_llgo_2, label %_llgo_1
@@ -33,10 +33,12 @@ _llgo_2:                                          ; preds = %_llgo_1, %_llgo_0
   ret void
 }
 
-define void @"github.com/goplus/llgo/cl/_testdata/ptrmthd.main"() {
+define void @"github.com/goplus/llgo/cl/_testdata/ptrmthd.main"() #0 {
 _llgo_0:
   call void @"github.com/goplus/llgo/cl/_testdata/ptrmthd.(*T).Print"(ptr @"github.com/goplus/llgo/cl/_testdata/ptrmthd.format", i64 100)
   ret void
 }
 
-declare void @printf(ptr, ...)
+declare void @printf(ptr, ...) #0
+
+attributes #0 = { "frame-pointer"="non-leaf" }
diff --git a/cl/_testdata/uint/out.ll b/cl/_testdata/uint/out.ll
index 8570be6efb..a394168878 100644
--- a/cl/_testdata/uint/out.ll
+++ b/cl/_testdata/uint/out.ll
@@ -4,13 +4,13 @@ source_filename = "github.com/goplus/llgo/cl/_testdata/uint"
 @"github.com/goplus/llgo/cl/_testdata/uint.init$guard" = global i1 false, align 1
 @0 = private unnamed_addr constant [11 x i8] c"Hello, %u\0A\00", align 1
 
-define i32 @"github.com/goplus/llgo/cl/_testdata/uint.f"(i32 %0) {
+define i32 @"github.com/goplus/llgo/cl/_testdata/uint.f"(i32 %0) #0 {
 _llgo_0:
   %1 = add i32 %0, 1
   ret i32 %1
 }
 
-define void @"github.com/goplus/llgo/cl/_testdata/uint.init"() {
+define void @"github.com/goplus/llgo/cl/_testdata/uint.init"() #0 {
 _llgo_0:
   %0 = load i1, ptr @"github.com/goplus/llgo/cl/_testdata/uint.init$guard", align 1
   br i1 %0, label %_llgo_2, label %_llgo_1
@@ -23,11 +23,13 @@ _llgo_2:                                          ; preds = %_llgo_1, %_llgo_0
   ret void
 }
 
-define void @"github.com/goplus/llgo/cl/_testdata/uint.main"() {
+define void @"github.com/goplus/llgo/cl/_testdata/uint.main"() #0 {
 _llgo_0:
   %0 = call i32 @"github.com/goplus/llgo/cl/_testdata/uint.f"(i32 100)
   %1 = call i32 (ptr, ...) @printf(ptr @0, i32 %0)
   ret void
 }
 
-declare i32 @printf(ptr, ...)
+declare i32 @printf(ptr, ...) #0
+
+attributes #0 = { "frame-pointer"="non-leaf" }
diff --git a/cl/_testdata/untyped/out.ll b/cl/_testdata/untyped/out.ll
index a439600bf0..b414491b4a 100644
--- a/cl/_testdata/untyped/out.ll
+++ b/cl/_testdata/untyped/out.ll
@@ -4,7 +4,7 @@ source_filename = "github.com/goplus/llgo/cl/_testdata/untyped"
 @"github.com/goplus/llgo/cl/_testdata/untyped.a" = global double 0.000000e+00, align 8
 @"github.com/goplus/llgo/cl/_testdata/untyped.init$guard" = global i1 false, align 1
 
-define void @"github.com/goplus/llgo/cl/_testdata/untyped.init"() {
+define void @"github.com/goplus/llgo/cl/_testdata/untyped.init"() #0 {
 _llgo_0:
   %0 = load i1, ptr @"github.com/goplus/llgo/cl/_testdata/untyped.init$guard", align 1
   br i1 %0, label %_llgo_2, label %_llgo_1
@@ -18,7 +18,7 @@ _llgo_2:                                          ; preds = %_llgo_1, %_llgo_0
   ret void
 }
 
-define void @"github.com/goplus/llgo/cl/_testdata/untyped.main"() {
+define void @"github.com/goplus/llgo/cl/_testdata/untyped.main"() #0 {
 _llgo_0:
   br i1 false, label %_llgo_1, label %_llgo_2
 
@@ -29,3 +29,5 @@ _llgo_1:                                          ; preds = %_llgo_0
 _llgo_2:                                          ; preds = %_llgo_1, %_llgo_0
   ret void
 }
+
+attributes #0 = { "frame-pointer"="non-leaf" }
diff --git a/cl/_testdata/utf8/out.ll b/cl/_testdata/utf8/out.ll
index 9c1379adf0..19876fffc8 100644
--- a/cl/_testdata/utf8/out.ll
+++ b/cl/_testdata/utf8/out.ll
@@ -7,7 +7,7 @@ source_filename = "github.com/goplus/llgo/cl/_testdata/utf8"
 @"github.com/goplus/llgo/cl/_testdata/utf8.init$guard" = global i1 false, align 1
 @0 = private unnamed_addr constant [7 x i8] c"\E4\B8\ADabcd", align 1
 
-define i8 @"github.com/goplus/llgo/cl/_testdata/utf8.index"(i8 %0) {
+define i8 @"github.com/goplus/llgo/cl/_testdata/utf8.index"(i8 %0) #0 {
 _llgo_0:
   %1 = sext i8 %0 to i64
   %2 = icmp slt i64 %1, 0
@@ -19,7 +19,7 @@ _llgo_0:
   ret i8 %6
 }
 
-define void @"github.com/goplus/llgo/cl/_testdata/utf8.init"() {
+define void @"github.com/goplus/llgo/cl/_testdata/utf8.init"() #0 {
 _llgo_0:
   %0 = load i1, ptr @"github.com/goplus/llgo/cl/_testdata/utf8.init$guard", align 1
   br i1 %0, label %_llgo_2, label %_llgo_1
@@ -41,7 +41,7 @@ _llgo_2:                                          ; preds = %_llgo_1, %_llgo_0
   ret void
 }
 
-define void @"github.com/goplus/llgo/cl/_testdata/utf8.main"() {
+define void @"github.com/goplus/llgo/cl/_testdata/utf8.main"() #0 {
 _llgo_0:
   br label %_llgo_1
 
@@ -69,16 +69,18 @@ _llgo_3:                                          ; preds = %_llgo_1
   ret void
 }
 
-declare void @"github.com/goplus/llgo/runtime/internal/runtime.AssertIndexRange"(i1)
+declare void @"github.com/goplus/llgo/runtime/internal/runtime.AssertIndexRange"(i1) #0
 
-declare void @"unicode/utf8.init"()
+declare void @"unicode/utf8.init"() #0
 
-declare %"github.com/goplus/llgo/runtime/internal/runtime.String" @"github.com/goplus/llgo/runtime/internal/runtime.StringSlice"(%"github.com/goplus/llgo/runtime/internal/runtime.String", i64, i64)
+declare %"github.com/goplus/llgo/runtime/internal/runtime.String" @"github.com/goplus/llgo/runtime/internal/runtime.StringSlice"(%"github.com/goplus/llgo/runtime/internal/runtime.String", i64, i64) #0
 
-declare { i32, i64 } @"unicode/utf8.DecodeRuneInString"(%"github.com/goplus/llgo/runtime/internal/runtime.String")
+declare { i32, i64 } @"unicode/utf8.DecodeRuneInString"(%"github.com/goplus/llgo/runtime/internal/runtime.String") #0
 
-declare void @"github.com/goplus/llgo/runtime/internal/runtime.PrintInt"(i64)
+declare void @"github.com/goplus/llgo/runtime/internal/runtime.PrintInt"(i64) #0
 
-declare void @"github.com/goplus/llgo/runtime/internal/runtime.PrintByte"(i8)
+declare void @"github.com/goplus/llgo/runtime/internal/runtime.PrintByte"(i8) #0
 
-declare void @"github.com/goplus/llgo/runtime/internal/runtime.PrintBool"(i1)
+declare void @"github.com/goplus/llgo/runtime/internal/runtime.PrintBool"(i1) #0
+
+attributes #0 = { "frame-pointer"="non-leaf" }
diff --git a/cl/_testdata/vargs/out.ll b/cl/_testdata/vargs/out.ll
index 31ab5878f8..c3147fc483 100644
--- a/cl/_testdata/vargs/out.ll
+++ b/cl/_testdata/vargs/out.ll
@@ -17,7 +17,7 @@ source_filename = "github.com/goplus/llgo/cl/_testdata/vargs"
 @3 = private unnamed_addr constant [6 x i8] c"string", align 1
 @"*_llgo_string" = weak_odr constant %"github.com/goplus/llgo/runtime/abi.PtrType" { %"github.com/goplus/llgo/runtime/abi.Type" { i64 8, i64 8, i32 -1323879264, i8 10, i8 8, i8 8, i8 54, { ptr, ptr } { ptr @"__llgo_stub.github.com/goplus/llgo/runtime/internal/runtime.memequalptr", ptr null }, ptr null, %"github.com/goplus/llgo/runtime/internal/runtime.String" { ptr @3, i64 6 }, ptr null }, ptr @_llgo_string }, align 8
 
-define void @"github.com/goplus/llgo/cl/_testdata/vargs.init"() {
+define void @"github.com/goplus/llgo/cl/_testdata/vargs.init"() #0 {
 _llgo_0:
   %0 = load i1, ptr @"github.com/goplus/llgo/cl/_testdata/vargs.init$guard", align 1
   br i1 %0, label %_llgo_2, label %_llgo_1
@@ -30,7 +30,7 @@ _llgo_2:                                          ; preds = %_llgo_1, %_llgo_0
   ret void
 }
 
-define void @"github.com/goplus/llgo/cl/_testdata/vargs.main"() {
+define void @"github.com/goplus/llgo/cl/_testdata/vargs.main"() #0 {
 _llgo_0:
   %0 = call ptr @"github.com/goplus/llgo/runtime/internal/runtime.AllocZ"(i64 48)
   %1 = getelementptr inbounds %"github.com/goplus/llgo/runtime/internal/runtime.eface", ptr %0, i64 0
@@ -46,7 +46,7 @@ _llgo_0:
   ret void
 }
 
-define void @"github.com/goplus/llgo/cl/_testdata/vargs.test"(%"github.com/goplus/llgo/runtime/internal/runtime.Slice" %0) {
+define void @"github.com/goplus/llgo/cl/_testdata/vargs.test"(%"github.com/goplus/llgo/runtime/internal/runtime.Slice" %0) #0 {
 _llgo_0:
   %1 = extractvalue %"github.com/goplus/llgo/runtime/internal/runtime.Slice" %0, 1
   br label %_llgo_1
@@ -87,36 +87,38 @@ _llgo_5:                                          ; preds = %_llgo_2
   unreachable
 }
 
-declare ptr @"github.com/goplus/llgo/runtime/internal/runtime.AllocZ"(i64)
+declare ptr @"github.com/goplus/llgo/runtime/internal/runtime.AllocZ"(i64) #0
 
-declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.memequal64"(ptr, ptr)
+declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.memequal64"(ptr, ptr) #0
 
-define linkonce i1 @"__llgo_stub.github.com/goplus/llgo/runtime/internal/runtime.memequal64"(ptr %0, ptr %1, ptr %2) {
+define linkonce i1 @"__llgo_stub.github.com/goplus/llgo/runtime/internal/runtime.memequal64"(ptr %0, ptr %1, ptr %2) #0 {
 _llgo_0:
   %3 = tail call i1 @"github.com/goplus/llgo/runtime/internal/runtime.memequal64"(ptr %1, ptr %2)
   ret i1 %3
 }
 
-declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.memequalptr"(ptr, ptr)
+declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.memequalptr"(ptr, ptr) #0
 
-define linkonce i1 @"__llgo_stub.github.com/goplus/llgo/runtime/internal/runtime.memequalptr"(ptr %0, ptr %1, ptr %2) {
+define linkonce i1 @"__llgo_stub.github.com/goplus/llgo/runtime/internal/runtime.memequalptr"(ptr %0, ptr %1, ptr %2) #0 {
 _llgo_0:
   %3 = tail call i1 @"github.com/goplus/llgo/runtime/internal/runtime.memequalptr"(ptr %1, ptr %2)
   ret i1 %3
 }
 
-declare void @"github.com/goplus/llgo/runtime/internal/runtime.AssertIndexRange"(i1)
+declare void @"github.com/goplus/llgo/runtime/internal/runtime.AssertIndexRange"(i1) #0
 
-declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.strequal"(ptr, ptr)
+declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.strequal"(ptr, ptr) #0
 
-define linkonce i1 @"__llgo_stub.github.com/goplus/llgo/runtime/internal/runtime.strequal"(ptr %0, ptr %1, ptr %2) {
+define linkonce i1 @"__llgo_stub.github.com/goplus/llgo/runtime/internal/runtime.strequal"(ptr %0, ptr %1, ptr %2) #0 {
 _llgo_0:
   %3 = tail call i1 @"github.com/goplus/llgo/runtime/internal/runtime.strequal"(ptr %1, ptr %2)
   ret i1 %3
 }
 
-declare ptr @"github.com/goplus/llgo/runtime/internal/runtime.AllocU"(i64)
+declare ptr @"github.com/goplus/llgo/runtime/internal/runtime.AllocU"(i64) #0
 
-declare void @"github.com/goplus/llgo/runtime/internal/runtime.Panic"(%"github.com/goplus/llgo/runtime/internal/runtime.eface")
+declare void @"github.com/goplus/llgo/runtime/internal/runtime.Panic"(%"github.com/goplus/llgo/runtime/internal/runtime.eface") #0
 
-declare i32 @printf(ptr, ...)
+declare i32 @printf(ptr, ...) #0
+
+attributes #0 = { "frame-pointer"="non-leaf" }
diff --git a/cl/_testdata/varinit/out.ll b/cl/_testdata/varinit/out.ll
index 6629ee218a..c4306c4b9e 100644
--- a/cl/_testdata/varinit/out.ll
+++ b/cl/_testdata/varinit/out.ll
@@ -4,7 +4,7 @@ source_filename = "github.com/goplus/llgo/cl/_testdata/varinit"
 @"github.com/goplus/llgo/cl/_testdata/varinit.a" = global i64 0, align 8
 @"github.com/goplus/llgo/cl/_testdata/varinit.init$guard" = global i1 false, align 1
 
-define void @"github.com/goplus/llgo/cl/_testdata/varinit.init"() {
+define void @"github.com/goplus/llgo/cl/_testdata/varinit.init"() #0 {
 _llgo_0:
   %0 = load i1, ptr @"github.com/goplus/llgo/cl/_testdata/varinit.init$guard", align 1
   br i1 %0, label %_llgo_2, label %_llgo_1
@@ -18,7 +18,7 @@ _llgo_2:                                          ; preds = %_llgo_1, %_llgo_0
   ret void
 }
 
-define void @"github.com/goplus/llgo/cl/_testdata/varinit.main"() {
+define void @"github.com/goplus/llgo/cl/_testdata/varinit.main"() #0 {
 _llgo_0:
   %0 = load i64, ptr @"github.com/goplus/llgo/cl/_testdata/varinit.a", align 4
   %1 = add i64 %0, 1
@@ -26,3 +26,5 @@ _llgo_0:
   %2 = load i64, ptr @"github.com/goplus/llgo/cl/_testdata/varinit.a", align 4
   ret void
 }
+
+attributes #0 = { "frame-pointer"="non-leaf" }
diff --git a/cl/_testgo/abimethod/out.ll b/cl/_testgo/abimethod/out.ll
index 7182a457ac..201cf9f003 100644
--- a/cl/_testgo/abimethod/out.ll
+++ b/cl/_testgo/abimethod/out.ll
@@ -279,7 +279,7 @@ source_filename = "github.com/goplus/llgo/cl/_testgo/abimethod"
 @111 = private unnamed_addr constant [16 x i8] c"testNamed2 error", align 1
 @112 = private unnamed_addr constant [16 x i8] c"testNamed4 error", align 1
 
-define i64 @"github.com/goplus/llgo/cl/_testgo/abimethod.T.Demo1"(%"github.com/goplus/llgo/cl/_testgo/abimethod.T" %0) {
+define i64 @"github.com/goplus/llgo/cl/_testgo/abimethod.T.Demo1"(%"github.com/goplus/llgo/cl/_testgo/abimethod.T" %0) #0 {
 _llgo_0:
   %1 = alloca %"github.com/goplus/llgo/cl/_testgo/abimethod.T", align 8
   call void @llvm.memset(ptr %1, i8 0, i64 8, i1 false)
@@ -289,28 +289,28 @@ _llgo_0:
   ret i64 %3
 }
 
-define i64 @"github.com/goplus/llgo/cl/_testgo/abimethod.(*T).Demo1"(ptr %0) {
+define i64 @"github.com/goplus/llgo/cl/_testgo/abimethod.(*T).Demo1"(ptr %0) #0 {
 _llgo_0:
   %1 = load %"github.com/goplus/llgo/cl/_testgo/abimethod.T", ptr %0, align 4
   %2 = call i64 @"github.com/goplus/llgo/cl/_testgo/abimethod.T.Demo1"(%"github.com/goplus/llgo/cl/_testgo/abimethod.T" %1)
   ret i64 %2
 }
 
-define i64 @"github.com/goplus/llgo/cl/_testgo/abimethod.(*T).Demo2"(ptr %0) {
+define i64 @"github.com/goplus/llgo/cl/_testgo/abimethod.(*T).Demo2"(ptr %0) #0 {
 _llgo_0:
   %1 = getelementptr inbounds %"github.com/goplus/llgo/cl/_testgo/abimethod.T", ptr %0, i32 0, i32 0
   %2 = load i64, ptr %1, align 4
   ret i64 %2
 }
 
-define i64 @"github.com/goplus/llgo/cl/_testgo/abimethod.(*T).demo3"(ptr %0) {
+define i64 @"github.com/goplus/llgo/cl/_testgo/abimethod.(*T).demo3"(ptr %0) #0 {
 _llgo_0:
   %1 = getelementptr inbounds %"github.com/goplus/llgo/cl/_testgo/abimethod.T", ptr %0, i32 0, i32 0
   %2 = load i64, ptr %1, align 4
   ret i64 %2
 }
 
-define void @"github.com/goplus/llgo/cl/_testgo/abimethod.init"() {
+define void @"github.com/goplus/llgo/cl/_testgo/abimethod.init"() #0 {
 _llgo_0:
   %0 = load i1, ptr @"github.com/goplus/llgo/cl/_testgo/abimethod.init$guard", align 1
   br i1 %0, label %_llgo_2, label %_llgo_1
@@ -326,7 +326,7 @@ _llgo_2:                                          ; preds = %_llgo_1, %_llgo_0
   ret void
 }
 
-define void @"github.com/goplus/llgo/cl/_testgo/abimethod.main"() {
+define void @"github.com/goplus/llgo/cl/_testgo/abimethod.main"() #0 {
 _llgo_0:
   call void @"github.com/goplus/llgo/cl/_testgo/abimethod.testGeneric"()
   call void @"github.com/goplus/llgo/cl/_testgo/abimethod.testNamed1"()
@@ -344,7 +344,7 @@ _llgo_0:
   ret void
 }
 
-define void @"github.com/goplus/llgo/cl/_testgo/abimethod.testAnonymous1"() {
+define void @"github.com/goplus/llgo/cl/_testgo/abimethod.testAnonymous1"() #0 {
 _llgo_0:
   %0 = call ptr @"github.com/goplus/llgo/runtime/internal/runtime.AllocZ"(i64 16)
   %1 = getelementptr inbounds { i64, ptr }, ptr %0, i32 0, i32 0
@@ -380,7 +380,7 @@ _llgo_2:                                          ; preds = %_llgo_0
   ret void
 }
 
-define void @"github.com/goplus/llgo/cl/_testgo/abimethod.testAnonymous2"() {
+define void @"github.com/goplus/llgo/cl/_testgo/abimethod.testAnonymous2"() #0 {
 _llgo_0:
   %0 = alloca { i64, ptr }, align 8
   call void @llvm.memset(ptr %0, i8 0, i64 16, i1 false)
@@ -420,7 +420,7 @@ _llgo_2:                                          ; preds = %_llgo_0
   ret void
 }
 
-define void @"github.com/goplus/llgo/cl/_testgo/abimethod.testAnonymous3"() {
+define void @"github.com/goplus/llgo/cl/_testgo/abimethod.testAnonymous3"() #0 {
 _llgo_0:
   %0 = alloca { i64, %"github.com/goplus/llgo/cl/_testgo/abimethod.T" }, align 8
   call void @llvm.memset(ptr %0, i8 0, i64 16, i1 false)
@@ -458,7 +458,7 @@ _llgo_2:                                          ; preds = %_llgo_0
   ret void
 }
 
-define void @"github.com/goplus/llgo/cl/_testgo/abimethod.testAnonymous4"() {
+define void @"github.com/goplus/llgo/cl/_testgo/abimethod.testAnonymous4"() #0 {
 _llgo_0:
   %0 = call ptr @"github.com/goplus/llgo/runtime/internal/runtime.AllocZ"(i64 16)
   %1 = getelementptr inbounds { i64, %"github.com/goplus/llgo/cl/_testgo/abimethod.T" }, ptr %0, i32 0, i32 0
@@ -492,7 +492,7 @@ _llgo_2:                                          ; preds = %_llgo_0
   ret void
 }
 
-define void @"github.com/goplus/llgo/cl/_testgo/abimethod.testAnonymous5"() {
+define void @"github.com/goplus/llgo/cl/_testgo/abimethod.testAnonymous5"() #0 {
 _llgo_0:
   %0 = call ptr @"github.com/goplus/llgo/runtime/internal/runtime.AllocZ"(i64 16)
   %1 = getelementptr inbounds { i64, %"github.com/goplus/llgo/cl/_testgo/abimethod.T" }, ptr %0, i32 0, i32 0
@@ -526,7 +526,7 @@ _llgo_2:                                          ; preds = %_llgo_0
   ret void
 }
 
-define void @"github.com/goplus/llgo/cl/_testgo/abimethod.testAnonymous6"() {
+define void @"github.com/goplus/llgo/cl/_testgo/abimethod.testAnonymous6"() #0 {
 _llgo_0:
   %0 = alloca { i64, ptr }, align 8
   call void @llvm.memset(ptr %0, i8 0, i64 16, i1 false)
@@ -566,7 +566,7 @@ _llgo_2:                                          ; preds = %_llgo_0
   ret void
 }
 
-define void @"github.com/goplus/llgo/cl/_testgo/abimethod.testAnonymous7"() {
+define void @"github.com/goplus/llgo/cl/_testgo/abimethod.testAnonymous7"() #0 {
 _llgo_0:
   %0 = alloca { i64, ptr }, align 8
   call void @llvm.memset(ptr %0, i8 0, i64 16, i1 false)
@@ -626,7 +626,7 @@ _llgo_4:                                          ; preds = %_llgo_2
   ret void
 }
 
-define void @"github.com/goplus/llgo/cl/_testgo/abimethod.testAnonymous8"() {
+define void @"github.com/goplus/llgo/cl/_testgo/abimethod.testAnonymous8"() #0 {
 _llgo_0:
   %0 = alloca { i64, ptr }, align 8
   call void @llvm.memset(ptr %0, i8 0, i64 16, i1 false)
@@ -706,7 +706,7 @@ _llgo_6:                                          ; preds = %_llgo_4
   ret void
 }
 
-define void @"github.com/goplus/llgo/cl/_testgo/abimethod.testAnonymousBuffer"() {
+define void @"github.com/goplus/llgo/cl/_testgo/abimethod.testAnonymousBuffer"() #0 {
 _llgo_0:
   %0 = call ptr @"github.com/goplus/llgo/runtime/internal/runtime.AllocZ"(i64 16)
   %1 = getelementptr inbounds { i64, ptr }, ptr %0, i32 0, i32 0
@@ -741,7 +741,7 @@ _llgo_2:                                          ; preds = %_llgo_0
   ret void
 }
 
-define void @"github.com/goplus/llgo/cl/_testgo/abimethod.testGeneric"() {
+define void @"github.com/goplus/llgo/cl/_testgo/abimethod.testGeneric"() #0 {
 _llgo_0:
   %0 = call ptr @"github.com/goplus/llgo/runtime/internal/runtime.AllocZ"(i64 8)
   %1 = call ptr @"github.com/goplus/llgo/runtime/internal/runtime.NewItab"(ptr @"_llgo_iface$uinGjIxPTfzB5e5h5gH-0VIvLl5rQdJ_yx2UsrxQqds", ptr @"*_llgo_github.com/goplus/llgo/cl/_testgo/abimethod.Pointer[any]")
@@ -795,14 +795,14 @@ _llgo_4:                                          ; preds = %_llgo_0
   unreachable
 }
 
-define ptr @"github.com/goplus/llgo/cl/_testgo/abimethod.testGeneric$1"() {
+define ptr @"github.com/goplus/llgo/cl/_testgo/abimethod.testGeneric$1"() #0 {
 _llgo_0:
   %0 = call ptr @"github.com/goplus/llgo/runtime/internal/runtime.AllocZ"(i64 16)
   store %"github.com/goplus/llgo/runtime/internal/runtime.eface" { ptr @_llgo_int, ptr inttoptr (i64 100 to ptr) }, ptr %0, align 8
   ret ptr %0
 }
 
-define void @"github.com/goplus/llgo/cl/_testgo/abimethod.testNamed1"() {
+define void @"github.com/goplus/llgo/cl/_testgo/abimethod.testNamed1"() #0 {
 _llgo_0:
   %0 = call ptr @"github.com/goplus/llgo/runtime/internal/runtime.AllocZ"(i64 8)
   %1 = getelementptr inbounds %"github.com/goplus/llgo/cl/_testgo/abimethod.T", ptr %0, i32 0, i32 0
@@ -833,7 +833,7 @@ _llgo_2:                                          ; preds = %_llgo_0
   ret void
 }
 
-define void @"github.com/goplus/llgo/cl/_testgo/abimethod.testNamed2"() {
+define void @"github.com/goplus/llgo/cl/_testgo/abimethod.testNamed2"() #0 {
 _llgo_0:
   %0 = alloca %"github.com/goplus/llgo/cl/_testgo/abimethod.T", align 8
   call void @llvm.memset(ptr %0, i8 0, i64 8, i1 false)
@@ -868,7 +868,7 @@ _llgo_2:                                          ; preds = %_llgo_0
   ret void
 }
 
-define void @"github.com/goplus/llgo/cl/_testgo/abimethod.testNamed3"() {
+define void @"github.com/goplus/llgo/cl/_testgo/abimethod.testNamed3"() #0 {
 _llgo_0:
   %0 = call ptr @"github.com/goplus/llgo/runtime/internal/runtime.AllocZ"(i64 8)
   %1 = getelementptr inbounds %"github.com/goplus/llgo/cl/_testgo/abimethod.T", ptr %0, i32 0, i32 0
@@ -900,17 +900,17 @@ _llgo_2:                                          ; preds = %_llgo_0
 }
 
 ; Function Attrs: nocallback nofree nounwind willreturn memory(argmem: write)
-declare void @llvm.memset(ptr nocapture writeonly, i8, i64, i1 immarg) #0
+declare void @llvm.memset(ptr nocapture writeonly, i8, i64, i1 immarg) #1
 
-declare void @bytes.init()
+declare void @bytes.init() #0
 
-declare void @fmt.init()
+declare void @fmt.init() #0
 
-declare void @"sync/atomic.init"()
+declare void @"sync/atomic.init"() #0
 
-declare ptr @"github.com/goplus/llgo/runtime/internal/runtime.AllocZ"(i64)
+declare ptr @"github.com/goplus/llgo/runtime/internal/runtime.AllocZ"(i64) #0
 
-define i64 @"github.com/goplus/llgo/cl/_testgo/abimethod.*struct{m int; *github.com/goplus/llgo/cl/_testgo/abimethod.T}.Demo1"(ptr %0) {
+define i64 @"github.com/goplus/llgo/cl/_testgo/abimethod.*struct{m int; *github.com/goplus/llgo/cl/_testgo/abimethod.T}.Demo1"(ptr %0) #0 {
 _llgo_0:
   %1 = getelementptr inbounds { i64, ptr }, ptr %0, i32 0, i32 1
   %2 = load ptr, ptr %1, align 8
@@ -919,7 +919,7 @@ _llgo_0:
   ret i64 %4
 }
 
-define i64 @"github.com/goplus/llgo/cl/_testgo/abimethod.*struct{m int; *github.com/goplus/llgo/cl/_testgo/abimethod.T}.Demo2"(ptr %0) {
+define i64 @"github.com/goplus/llgo/cl/_testgo/abimethod.*struct{m int; *github.com/goplus/llgo/cl/_testgo/abimethod.T}.Demo2"(ptr %0) #0 {
 _llgo_0:
   %1 = getelementptr inbounds { i64, ptr }, ptr %0, i32 0, i32 1
   %2 = load ptr, ptr %1, align 8
@@ -927,7 +927,7 @@ _llgo_0:
   ret i64 %3
 }
 
-define i64 @"github.com/goplus/llgo/cl/_testgo/abimethod.*struct{m int; *github.com/goplus/llgo/cl/_testgo/abimethod.T}.demo3"(ptr %0) {
+define i64 @"github.com/goplus/llgo/cl/_testgo/abimethod.*struct{m int; *github.com/goplus/llgo/cl/_testgo/abimethod.T}.demo3"(ptr %0) #0 {
 _llgo_0:
   %1 = getelementptr inbounds { i64, ptr }, ptr %0, i32 0, i32 1
   %2 = load ptr, ptr %1, align 8
@@ -935,15 +935,15 @@ _llgo_0:
   ret i64 %3
 }
 
-declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.memequalptr"(ptr, ptr)
+declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.memequalptr"(ptr, ptr) #0
 
-define linkonce i1 @"__llgo_stub.github.com/goplus/llgo/runtime/internal/runtime.memequalptr"(ptr %0, ptr %1, ptr %2) {
+define linkonce i1 @"__llgo_stub.github.com/goplus/llgo/runtime/internal/runtime.memequalptr"(ptr %0, ptr %1, ptr %2) #0 {
 _llgo_0:
   %3 = tail call i1 @"github.com/goplus/llgo/runtime/internal/runtime.memequalptr"(ptr %1, ptr %2)
   ret i1 %3
 }
 
-define i64 @"github.com/goplus/llgo/cl/_testgo/abimethod.struct{m int; *github.com/goplus/llgo/cl/_testgo/abimethod.T}.Demo1"({ i64, ptr } %0) {
+define i64 @"github.com/goplus/llgo/cl/_testgo/abimethod.struct{m int; *github.com/goplus/llgo/cl/_testgo/abimethod.T}.Demo1"({ i64, ptr } %0) #0 {
 _llgo_0:
   %1 = alloca { i64, ptr }, align 8
   call void @llvm.memset(ptr %1, i8 0, i64 16, i1 false)
@@ -955,7 +955,7 @@ _llgo_0:
   ret i64 %5
 }
 
-define i64 @"github.com/goplus/llgo/cl/_testgo/abimethod.struct{m int; *github.com/goplus/llgo/cl/_testgo/abimethod.T}.Demo2"({ i64, ptr } %0) {
+define i64 @"github.com/goplus/llgo/cl/_testgo/abimethod.struct{m int; *github.com/goplus/llgo/cl/_testgo/abimethod.T}.Demo2"({ i64, ptr } %0) #0 {
 _llgo_0:
   %1 = alloca { i64, ptr }, align 8
   call void @llvm.memset(ptr %1, i8 0, i64 16, i1 false)
@@ -966,7 +966,7 @@ _llgo_0:
   ret i64 %4
 }
 
-define i64 @"github.com/goplus/llgo/cl/_testgo/abimethod.struct{m int; *github.com/goplus/llgo/cl/_testgo/abimethod.T}.demo3"({ i64, ptr } %0) {
+define i64 @"github.com/goplus/llgo/cl/_testgo/abimethod.struct{m int; *github.com/goplus/llgo/cl/_testgo/abimethod.T}.demo3"({ i64, ptr } %0) #0 {
 _llgo_0:
   %1 = alloca { i64, ptr }, align 8
   call void @llvm.memset(ptr %1, i8 0, i64 16, i1 false)
@@ -977,41 +977,41 @@ _llgo_0:
   ret i64 %4
 }
 
-declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.structequal"(ptr, ptr, ptr)
+declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.structequal"(ptr, ptr, ptr) #0
 
-declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.memequal64"(ptr, ptr)
+declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.memequal64"(ptr, ptr) #0
 
-define linkonce i1 @"__llgo_stub.github.com/goplus/llgo/runtime/internal/runtime.memequal64"(ptr %0, ptr %1, ptr %2) {
+define linkonce i1 @"__llgo_stub.github.com/goplus/llgo/runtime/internal/runtime.memequal64"(ptr %0, ptr %1, ptr %2) #0 {
 _llgo_0:
   %3 = tail call i1 @"github.com/goplus/llgo/runtime/internal/runtime.memequal64"(ptr %1, ptr %2)
   ret i1 %3
 }
 
-declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.interequal"(ptr, ptr)
+declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.interequal"(ptr, ptr) #0
 
-define linkonce i1 @"__llgo_stub.github.com/goplus/llgo/runtime/internal/runtime.interequal"(ptr %0, ptr %1, ptr %2) {
+define linkonce i1 @"__llgo_stub.github.com/goplus/llgo/runtime/internal/runtime.interequal"(ptr %0, ptr %1, ptr %2) #0 {
 _llgo_0:
   %3 = tail call i1 @"github.com/goplus/llgo/runtime/internal/runtime.interequal"(ptr %1, ptr %2)
   ret i1 %3
 }
 
-declare ptr @"github.com/goplus/llgo/runtime/internal/runtime.NewItab"(ptr, ptr)
+declare ptr @"github.com/goplus/llgo/runtime/internal/runtime.NewItab"(ptr, ptr) #0
 
-declare ptr @"github.com/goplus/llgo/runtime/internal/runtime.IfacePtrData"(%"github.com/goplus/llgo/runtime/internal/runtime.iface")
+declare ptr @"github.com/goplus/llgo/runtime/internal/runtime.IfacePtrData"(%"github.com/goplus/llgo/runtime/internal/runtime.iface") #0
 
-declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.strequal"(ptr, ptr)
+declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.strequal"(ptr, ptr) #0
 
-define linkonce i1 @"__llgo_stub.github.com/goplus/llgo/runtime/internal/runtime.strequal"(ptr %0, ptr %1, ptr %2) {
+define linkonce i1 @"__llgo_stub.github.com/goplus/llgo/runtime/internal/runtime.strequal"(ptr %0, ptr %1, ptr %2) #0 {
 _llgo_0:
   %3 = tail call i1 @"github.com/goplus/llgo/runtime/internal/runtime.strequal"(ptr %1, ptr %2)
   ret i1 %3
 }
 
-declare ptr @"github.com/goplus/llgo/runtime/internal/runtime.AllocU"(i64)
+declare ptr @"github.com/goplus/llgo/runtime/internal/runtime.AllocU"(i64) #0
 
-declare void @"github.com/goplus/llgo/runtime/internal/runtime.Panic"(%"github.com/goplus/llgo/runtime/internal/runtime.eface")
+declare void @"github.com/goplus/llgo/runtime/internal/runtime.Panic"(%"github.com/goplus/llgo/runtime/internal/runtime.eface") #0
 
-define i64 @"github.com/goplus/llgo/cl/_testgo/abimethod.struct{m int; github.com/goplus/llgo/cl/_testgo/abimethod.T}.Demo1"({ i64, %"github.com/goplus/llgo/cl/_testgo/abimethod.T" } %0) {
+define i64 @"github.com/goplus/llgo/cl/_testgo/abimethod.struct{m int; github.com/goplus/llgo/cl/_testgo/abimethod.T}.Demo1"({ i64, %"github.com/goplus/llgo/cl/_testgo/abimethod.T" } %0) #0 {
 _llgo_0:
   %1 = alloca { i64, %"github.com/goplus/llgo/cl/_testgo/abimethod.T" }, align 8
   call void @llvm.memset(ptr %1, i8 0, i64 16, i1 false)
@@ -1022,7 +1022,7 @@ _llgo_0:
   ret i64 %4
 }
 
-define i64 @"github.com/goplus/llgo/cl/_testgo/abimethod.*struct{m int; github.com/goplus/llgo/cl/_testgo/abimethod.T}.Demo1"(ptr %0) {
+define i64 @"github.com/goplus/llgo/cl/_testgo/abimethod.*struct{m int; github.com/goplus/llgo/cl/_testgo/abimethod.T}.Demo1"(ptr %0) #0 {
 _llgo_0:
   %1 = getelementptr inbounds { i64, %"github.com/goplus/llgo/cl/_testgo/abimethod.T" }, ptr %0, i32 0, i32 1
   %2 = load %"github.com/goplus/llgo/cl/_testgo/abimethod.T", ptr %1, align 4
@@ -1030,23 +1030,23 @@ _llgo_0:
   ret i64 %3
 }
 
-define i64 @"github.com/goplus/llgo/cl/_testgo/abimethod.*struct{m int; github.com/goplus/llgo/cl/_testgo/abimethod.T}.Demo2"(ptr %0) {
+define i64 @"github.com/goplus/llgo/cl/_testgo/abimethod.*struct{m int; github.com/goplus/llgo/cl/_testgo/abimethod.T}.Demo2"(ptr %0) #0 {
 _llgo_0:
   %1 = getelementptr inbounds { i64, %"github.com/goplus/llgo/cl/_testgo/abimethod.T" }, ptr %0, i32 0, i32 1
   %2 = call i64 @"github.com/goplus/llgo/cl/_testgo/abimethod.(*T).Demo2"(ptr %1)
   ret i64 %2
 }
 
-define i64 @"github.com/goplus/llgo/cl/_testgo/abimethod.*struct{m int; github.com/goplus/llgo/cl/_testgo/abimethod.T}.demo3"(ptr %0) {
+define i64 @"github.com/goplus/llgo/cl/_testgo/abimethod.*struct{m int; github.com/goplus/llgo/cl/_testgo/abimethod.T}.demo3"(ptr %0) #0 {
 _llgo_0:
   %1 = getelementptr inbounds { i64, %"github.com/goplus/llgo/cl/_testgo/abimethod.T" }, ptr %0, i32 0, i32 1
   %2 = call i64 @"github.com/goplus/llgo/cl/_testgo/abimethod.(*T).demo3"(ptr %1)
   ret i64 %2
 }
 
-declare ptr @bytes.NewBufferString(%"github.com/goplus/llgo/runtime/internal/runtime.String")
+declare ptr @bytes.NewBufferString(%"github.com/goplus/llgo/runtime/internal/runtime.String") #0
 
-define i64 @"github.com/goplus/llgo/cl/_testgo/abimethod.*struct{m int; *bytes.Buffer}.Available"(ptr %0) {
+define i64 @"github.com/goplus/llgo/cl/_testgo/abimethod.*struct{m int; *bytes.Buffer}.Available"(ptr %0) #0 {
 _llgo_0:
   %1 = getelementptr inbounds { i64, ptr }, ptr %0, i32 0, i32 1
   %2 = load ptr, ptr %1, align 8
@@ -1054,7 +1054,7 @@ _llgo_0:
   ret i64 %3
 }
 
-define %"github.com/goplus/llgo/runtime/internal/runtime.Slice" @"github.com/goplus/llgo/cl/_testgo/abimethod.*struct{m int; *bytes.Buffer}.AvailableBuffer"(ptr %0) {
+define %"github.com/goplus/llgo/runtime/internal/runtime.Slice" @"github.com/goplus/llgo/cl/_testgo/abimethod.*struct{m int; *bytes.Buffer}.AvailableBuffer"(ptr %0) #0 {
 _llgo_0:
   %1 = getelementptr inbounds { i64, ptr }, ptr %0, i32 0, i32 1
   %2 = load ptr, ptr %1, align 8
@@ -1062,7 +1062,7 @@ _llgo_0:
   ret %"github.com/goplus/llgo/runtime/internal/runtime.Slice" %3
 }
 
-define %"github.com/goplus/llgo/runtime/internal/runtime.Slice" @"github.com/goplus/llgo/cl/_testgo/abimethod.*struct{m int; *bytes.Buffer}.Bytes"(ptr %0) {
+define %"github.com/goplus/llgo/runtime/internal/runtime.Slice" @"github.com/goplus/llgo/cl/_testgo/abimethod.*struct{m int; *bytes.Buffer}.Bytes"(ptr %0) #0 {
 _llgo_0:
   %1 = getelementptr inbounds { i64, ptr }, ptr %0, i32 0, i32 1
   %2 = load ptr, ptr %1, align 8
@@ -1070,7 +1070,7 @@ _llgo_0:
   ret %"github.com/goplus/llgo/runtime/internal/runtime.Slice" %3
 }
 
-define i64 @"github.com/goplus/llgo/cl/_testgo/abimethod.*struct{m int; *bytes.Buffer}.Cap"(ptr %0) {
+define i64 @"github.com/goplus/llgo/cl/_testgo/abimethod.*struct{m int; *bytes.Buffer}.Cap"(ptr %0) #0 {
 _llgo_0:
   %1 = getelementptr inbounds { i64, ptr }, ptr %0, i32 0, i32 1
   %2 = load ptr, ptr %1, align 8
@@ -1078,7 +1078,7 @@ _llgo_0:
   ret i64 %3
 }
 
-define void @"github.com/goplus/llgo/cl/_testgo/abimethod.*struct{m int; *bytes.Buffer}.Grow"(ptr %0, i64 %1) {
+define void @"github.com/goplus/llgo/cl/_testgo/abimethod.*struct{m int; *bytes.Buffer}.Grow"(ptr %0, i64 %1) #0 {
 _llgo_0:
   %2 = getelementptr inbounds { i64, ptr }, ptr %0, i32 0, i32 1
   %3 = load ptr, ptr %2, align 8
@@ -1086,7 +1086,7 @@ _llgo_0:
   ret void
 }
 
-define i64 @"github.com/goplus/llgo/cl/_testgo/abimethod.*struct{m int; *bytes.Buffer}.Len"(ptr %0) {
+define i64 @"github.com/goplus/llgo/cl/_testgo/abimethod.*struct{m int; *bytes.Buffer}.Len"(ptr %0) #0 {
 _llgo_0:
   %1 = getelementptr inbounds { i64, ptr }, ptr %0, i32 0, i32 1
   %2 = load ptr, ptr %1, align 8
@@ -1094,7 +1094,7 @@ _llgo_0:
   ret i64 %3
 }
 
-define %"github.com/goplus/llgo/runtime/internal/runtime.Slice" @"github.com/goplus/llgo/cl/_testgo/abimethod.*struct{m int; *bytes.Buffer}.Next"(ptr %0, i64 %1) {
+define %"github.com/goplus/llgo/runtime/internal/runtime.Slice" @"github.com/goplus/llgo/cl/_testgo/abimethod.*struct{m int; *bytes.Buffer}.Next"(ptr %0, i64 %1) #0 {
 _llgo_0:
   %2 = getelementptr inbounds { i64, ptr }, ptr %0, i32 0, i32 1
   %3 = load ptr, ptr %2, align 8
@@ -1102,7 +1102,7 @@ _llgo_0:
   ret %"github.com/goplus/llgo/runtime/internal/runtime.Slice" %4
 }
 
-define { i64, %"github.com/goplus/llgo/runtime/internal/runtime.iface" } @"github.com/goplus/llgo/cl/_testgo/abimethod.*struct{m int; *bytes.Buffer}.Read"(ptr %0, %"github.com/goplus/llgo/runtime/internal/runtime.Slice" %1) {
+define { i64, %"github.com/goplus/llgo/runtime/internal/runtime.iface" } @"github.com/goplus/llgo/cl/_testgo/abimethod.*struct{m int; *bytes.Buffer}.Read"(ptr %0, %"github.com/goplus/llgo/runtime/internal/runtime.Slice" %1) #0 {
 _llgo_0:
   %2 = getelementptr inbounds { i64, ptr }, ptr %0, i32 0, i32 1
   %3 = load ptr, ptr %2, align 8
@@ -1114,7 +1114,7 @@ _llgo_0:
   ret { i64, %"github.com/goplus/llgo/runtime/internal/runtime.iface" } %8
 }
 
-define { i8, %"github.com/goplus/llgo/runtime/internal/runtime.iface" } @"github.com/goplus/llgo/cl/_testgo/abimethod.*struct{m int; *bytes.Buffer}.ReadByte"(ptr %0) {
+define { i8, %"github.com/goplus/llgo/runtime/internal/runtime.iface" } @"github.com/goplus/llgo/cl/_testgo/abimethod.*struct{m int; *bytes.Buffer}.ReadByte"(ptr %0) #0 {
 _llgo_0:
   %1 = getelementptr inbounds { i64, ptr }, ptr %0, i32 0, i32 1
   %2 = load ptr, ptr %1, align 8
@@ -1126,7 +1126,7 @@ _llgo_0:
   ret { i8, %"github.com/goplus/llgo/runtime/internal/runtime.iface" } %7
 }
 
-define { %"github.com/goplus/llgo/runtime/internal/runtime.Slice", %"github.com/goplus/llgo/runtime/internal/runtime.iface" } @"github.com/goplus/llgo/cl/_testgo/abimethod.*struct{m int; *bytes.Buffer}.ReadBytes"(ptr %0, i8 %1) {
+define { %"github.com/goplus/llgo/runtime/internal/runtime.Slice", %"github.com/goplus/llgo/runtime/internal/runtime.iface" } @"github.com/goplus/llgo/cl/_testgo/abimethod.*struct{m int; *bytes.Buffer}.ReadBytes"(ptr %0, i8 %1) #0 {
 _llgo_0:
   %2 = getelementptr inbounds { i64, ptr }, ptr %0, i32 0, i32 1
   %3 = load ptr, ptr %2, align 8
@@ -1138,7 +1138,7 @@ _llgo_0:
   ret { %"github.com/goplus/llgo/runtime/internal/runtime.Slice", %"github.com/goplus/llgo/runtime/internal/runtime.iface" } %8
 }
 
-define { i64, %"github.com/goplus/llgo/runtime/internal/runtime.iface" } @"github.com/goplus/llgo/cl/_testgo/abimethod.*struct{m int; *bytes.Buffer}.ReadFrom"(ptr %0, %"github.com/goplus/llgo/runtime/internal/runtime.iface" %1) {
+define { i64, %"github.com/goplus/llgo/runtime/internal/runtime.iface" } @"github.com/goplus/llgo/cl/_testgo/abimethod.*struct{m int; *bytes.Buffer}.ReadFrom"(ptr %0, %"github.com/goplus/llgo/runtime/internal/runtime.iface" %1) #0 {
 _llgo_0:
   %2 = getelementptr inbounds { i64, ptr }, ptr %0, i32 0, i32 1
   %3 = load ptr, ptr %2, align 8
@@ -1150,7 +1150,7 @@ _llgo_0:
   ret { i64, %"github.com/goplus/llgo/runtime/internal/runtime.iface" } %8
 }
 
-define { i32, i64, %"github.com/goplus/llgo/runtime/internal/runtime.iface" } @"github.com/goplus/llgo/cl/_testgo/abimethod.*struct{m int; *bytes.Buffer}.ReadRune"(ptr %0) {
+define { i32, i64, %"github.com/goplus/llgo/runtime/internal/runtime.iface" } @"github.com/goplus/llgo/cl/_testgo/abimethod.*struct{m int; *bytes.Buffer}.ReadRune"(ptr %0) #0 {
 _llgo_0:
   %1 = getelementptr inbounds { i64, ptr }, ptr %0, i32 0, i32 1
   %2 = load ptr, ptr %1, align 8
@@ -1164,7 +1164,7 @@ _llgo_0:
   ret { i32, i64, %"github.com/goplus/llgo/runtime/internal/runtime.iface" } %9
 }
 
-define { %"github.com/goplus/llgo/runtime/internal/runtime.String", %"github.com/goplus/llgo/runtime/internal/runtime.iface" } @"github.com/goplus/llgo/cl/_testgo/abimethod.*struct{m int; *bytes.Buffer}.ReadString"(ptr %0, i8 %1) {
+define { %"github.com/goplus/llgo/runtime/internal/runtime.String", %"github.com/goplus/llgo/runtime/internal/runtime.iface" } @"github.com/goplus/llgo/cl/_testgo/abimethod.*struct{m int; *bytes.Buffer}.ReadString"(ptr %0, i8 %1) #0 {
 _llgo_0:
   %2 = getelementptr inbounds { i64, ptr }, ptr %0, i32 0, i32 1
   %3 = load ptr, ptr %2, align 8
@@ -1176,7 +1176,7 @@ _llgo_0:
   ret { %"github.com/goplus/llgo/runtime/internal/runtime.String", %"github.com/goplus/llgo/runtime/internal/runtime.iface" } %8
 }
 
-define void @"github.com/goplus/llgo/cl/_testgo/abimethod.*struct{m int; *bytes.Buffer}.Reset"(ptr %0) {
+define void @"github.com/goplus/llgo/cl/_testgo/abimethod.*struct{m int; *bytes.Buffer}.Reset"(ptr %0) #0 {
 _llgo_0:
   %1 = getelementptr inbounds { i64, ptr }, ptr %0, i32 0, i32 1
   %2 = load ptr, ptr %1, align 8
@@ -1184,7 +1184,7 @@ _llgo_0:
   ret void
 }
 
-define %"github.com/goplus/llgo/runtime/internal/runtime.String" @"github.com/goplus/llgo/cl/_testgo/abimethod.*struct{m int; *bytes.Buffer}.String"(ptr %0) {
+define %"github.com/goplus/llgo/runtime/internal/runtime.String" @"github.com/goplus/llgo/cl/_testgo/abimethod.*struct{m int; *bytes.Buffer}.String"(ptr %0) #0 {
 _llgo_0:
   %1 = getelementptr inbounds { i64, ptr }, ptr %0, i32 0, i32 1
   %2 = load ptr, ptr %1, align 8
@@ -1192,7 +1192,7 @@ _llgo_0:
   ret %"github.com/goplus/llgo/runtime/internal/runtime.String" %3
 }
 
-define void @"github.com/goplus/llgo/cl/_testgo/abimethod.*struct{m int; *bytes.Buffer}.Truncate"(ptr %0, i64 %1) {
+define void @"github.com/goplus/llgo/cl/_testgo/abimethod.*struct{m int; *bytes.Buffer}.Truncate"(ptr %0, i64 %1) #0 {
 _llgo_0:
   %2 = getelementptr inbounds { i64, ptr }, ptr %0, i32 0, i32 1
   %3 = load ptr, ptr %2, align 8
@@ -1200,7 +1200,7 @@ _llgo_0:
   ret void
 }
 
-define %"github.com/goplus/llgo/runtime/internal/runtime.iface" @"github.com/goplus/llgo/cl/_testgo/abimethod.*struct{m int; *bytes.Buffer}.UnreadByte"(ptr %0) {
+define %"github.com/goplus/llgo/runtime/internal/runtime.iface" @"github.com/goplus/llgo/cl/_testgo/abimethod.*struct{m int; *bytes.Buffer}.UnreadByte"(ptr %0) #0 {
 _llgo_0:
   %1 = getelementptr inbounds { i64, ptr }, ptr %0, i32 0, i32 1
   %2 = load ptr, ptr %1, align 8
@@ -1208,7 +1208,7 @@ _llgo_0:
   ret %"github.com/goplus/llgo/runtime/internal/runtime.iface" %3
 }
 
-define %"github.com/goplus/llgo/runtime/internal/runtime.iface" @"github.com/goplus/llgo/cl/_testgo/abimethod.*struct{m int; *bytes.Buffer}.UnreadRune"(ptr %0) {
+define %"github.com/goplus/llgo/runtime/internal/runtime.iface" @"github.com/goplus/llgo/cl/_testgo/abimethod.*struct{m int; *bytes.Buffer}.UnreadRune"(ptr %0) #0 {
 _llgo_0:
   %1 = getelementptr inbounds { i64, ptr }, ptr %0, i32 0, i32 1
   %2 = load ptr, ptr %1, align 8
@@ -1216,7 +1216,7 @@ _llgo_0:
   ret %"github.com/goplus/llgo/runtime/internal/runtime.iface" %3
 }
 
-define { i64, %"github.com/goplus/llgo/runtime/internal/runtime.iface" } @"github.com/goplus/llgo/cl/_testgo/abimethod.*struct{m int; *bytes.Buffer}.Write"(ptr %0, %"github.com/goplus/llgo/runtime/internal/runtime.Slice" %1) {
+define { i64, %"github.com/goplus/llgo/runtime/internal/runtime.iface" } @"github.com/goplus/llgo/cl/_testgo/abimethod.*struct{m int; *bytes.Buffer}.Write"(ptr %0, %"github.com/goplus/llgo/runtime/internal/runtime.Slice" %1) #0 {
 _llgo_0:
   %2 = getelementptr inbounds { i64, ptr }, ptr %0, i32 0, i32 1
   %3 = load ptr, ptr %2, align 8
@@ -1228,7 +1228,7 @@ _llgo_0:
   ret { i64, %"github.com/goplus/llgo/runtime/internal/runtime.iface" } %8
 }
 
-define %"github.com/goplus/llgo/runtime/internal/runtime.iface" @"github.com/goplus/llgo/cl/_testgo/abimethod.*struct{m int; *bytes.Buffer}.WriteByte"(ptr %0, i8 %1) {
+define %"github.com/goplus/llgo/runtime/internal/runtime.iface" @"github.com/goplus/llgo/cl/_testgo/abimethod.*struct{m int; *bytes.Buffer}.WriteByte"(ptr %0, i8 %1) #0 {
 _llgo_0:
   %2 = getelementptr inbounds { i64, ptr }, ptr %0, i32 0, i32 1
   %3 = load ptr, ptr %2, align 8
@@ -1236,7 +1236,7 @@ _llgo_0:
   ret %"github.com/goplus/llgo/runtime/internal/runtime.iface" %4
 }
 
-define { i64, %"github.com/goplus/llgo/runtime/internal/runtime.iface" } @"github.com/goplus/llgo/cl/_testgo/abimethod.*struct{m int; *bytes.Buffer}.WriteRune"(ptr %0, i32 %1) {
+define { i64, %"github.com/goplus/llgo/runtime/internal/runtime.iface" } @"github.com/goplus/llgo/cl/_testgo/abimethod.*struct{m int; *bytes.Buffer}.WriteRune"(ptr %0, i32 %1) #0 {
 _llgo_0:
   %2 = getelementptr inbounds { i64, ptr }, ptr %0, i32 0, i32 1
   %3 = load ptr, ptr %2, align 8
@@ -1248,7 +1248,7 @@ _llgo_0:
   ret { i64, %"github.com/goplus/llgo/runtime/internal/runtime.iface" } %8
 }
 
-define { i64, %"github.com/goplus/llgo/runtime/internal/runtime.iface" } @"github.com/goplus/llgo/cl/_testgo/abimethod.*struct{m int; *bytes.Buffer}.WriteString"(ptr %0, %"github.com/goplus/llgo/runtime/internal/runtime.String" %1) {
+define { i64, %"github.com/goplus/llgo/runtime/internal/runtime.iface" } @"github.com/goplus/llgo/cl/_testgo/abimethod.*struct{m int; *bytes.Buffer}.WriteString"(ptr %0, %"github.com/goplus/llgo/runtime/internal/runtime.String" %1) #0 {
 _llgo_0:
   %2 = getelementptr inbounds { i64, ptr }, ptr %0, i32 0, i32 1
   %3 = load ptr, ptr %2, align 8
@@ -1260,7 +1260,7 @@ _llgo_0:
   ret { i64, %"github.com/goplus/llgo/runtime/internal/runtime.iface" } %8
 }
 
-define { i64, %"github.com/goplus/llgo/runtime/internal/runtime.iface" } @"github.com/goplus/llgo/cl/_testgo/abimethod.*struct{m int; *bytes.Buffer}.WriteTo"(ptr %0, %"github.com/goplus/llgo/runtime/internal/runtime.iface" %1) {
+define { i64, %"github.com/goplus/llgo/runtime/internal/runtime.iface" } @"github.com/goplus/llgo/cl/_testgo/abimethod.*struct{m int; *bytes.Buffer}.WriteTo"(ptr %0, %"github.com/goplus/llgo/runtime/internal/runtime.iface" %1) #0 {
 _llgo_0:
   %2 = getelementptr inbounds { i64, ptr }, ptr %0, i32 0, i32 1
   %3 = load ptr, ptr %2, align 8
@@ -1272,7 +1272,7 @@ _llgo_0:
   ret { i64, %"github.com/goplus/llgo/runtime/internal/runtime.iface" } %8
 }
 
-define i1 @"github.com/goplus/llgo/cl/_testgo/abimethod.*struct{m int; *bytes.Buffer}.empty"(ptr %0) {
+define i1 @"github.com/goplus/llgo/cl/_testgo/abimethod.*struct{m int; *bytes.Buffer}.empty"(ptr %0) #0 {
 _llgo_0:
   %1 = getelementptr inbounds { i64, ptr }, ptr %0, i32 0, i32 1
   %2 = load ptr, ptr %1, align 8
@@ -1280,7 +1280,7 @@ _llgo_0:
   ret i1 %3
 }
 
-define i64 @"github.com/goplus/llgo/cl/_testgo/abimethod.*struct{m int; *bytes.Buffer}.grow"(ptr %0, i64 %1) {
+define i64 @"github.com/goplus/llgo/cl/_testgo/abimethod.*struct{m int; *bytes.Buffer}.grow"(ptr %0, i64 %1) #0 {
 _llgo_0:
   %2 = getelementptr inbounds { i64, ptr }, ptr %0, i32 0, i32 1
   %3 = load ptr, ptr %2, align 8
@@ -1288,7 +1288,7 @@ _llgo_0:
   ret i64 %4
 }
 
-define { %"github.com/goplus/llgo/runtime/internal/runtime.Slice", %"github.com/goplus/llgo/runtime/internal/runtime.iface" } @"github.com/goplus/llgo/cl/_testgo/abimethod.*struct{m int; *bytes.Buffer}.readSlice"(ptr %0, i8 %1) {
+define { %"github.com/goplus/llgo/runtime/internal/runtime.Slice", %"github.com/goplus/llgo/runtime/internal/runtime.iface" } @"github.com/goplus/llgo/cl/_testgo/abimethod.*struct{m int; *bytes.Buffer}.readSlice"(ptr %0, i8 %1) #0 {
 _llgo_0:
   %2 = getelementptr inbounds { i64, ptr }, ptr %0, i32 0, i32 1
   %3 = load ptr, ptr %2, align 8
@@ -1300,7 +1300,7 @@ _llgo_0:
   ret { %"github.com/goplus/llgo/runtime/internal/runtime.Slice", %"github.com/goplus/llgo/runtime/internal/runtime.iface" } %8
 }
 
-define { i64, i1 } @"github.com/goplus/llgo/cl/_testgo/abimethod.*struct{m int; *bytes.Buffer}.tryGrowByReslice"(ptr %0, i64 %1) {
+define { i64, i1 } @"github.com/goplus/llgo/cl/_testgo/abimethod.*struct{m int; *bytes.Buffer}.tryGrowByReslice"(ptr %0, i64 %1) #0 {
 _llgo_0:
   %2 = getelementptr inbounds { i64, ptr }, ptr %0, i32 0, i32 1
   %3 = load ptr, ptr %2, align 8
@@ -1312,7 +1312,7 @@ _llgo_0:
   ret { i64, i1 } %8
 }
 
-define i64 @"github.com/goplus/llgo/cl/_testgo/abimethod.struct{m int; *bytes.Buffer}.Available"({ i64, ptr } %0) {
+define i64 @"github.com/goplus/llgo/cl/_testgo/abimethod.struct{m int; *bytes.Buffer}.Available"({ i64, ptr } %0) #0 {
 _llgo_0:
   %1 = alloca { i64, ptr }, align 8
   call void @llvm.memset(ptr %1, i8 0, i64 16, i1 false)
@@ -1323,7 +1323,7 @@ _llgo_0:
   ret i64 %4
 }
 
-define %"github.com/goplus/llgo/runtime/internal/runtime.Slice" @"github.com/goplus/llgo/cl/_testgo/abimethod.struct{m int; *bytes.Buffer}.AvailableBuffer"({ i64, ptr } %0) {
+define %"github.com/goplus/llgo/runtime/internal/runtime.Slice" @"github.com/goplus/llgo/cl/_testgo/abimethod.struct{m int; *bytes.Buffer}.AvailableBuffer"({ i64, ptr } %0) #0 {
 _llgo_0:
   %1 = alloca { i64, ptr }, align 8
   call void @llvm.memset(ptr %1, i8 0, i64 16, i1 false)
@@ -1334,7 +1334,7 @@ _llgo_0:
   ret %"github.com/goplus/llgo/runtime/internal/runtime.Slice" %4
 }
 
-define %"github.com/goplus/llgo/runtime/internal/runtime.Slice" @"github.com/goplus/llgo/cl/_testgo/abimethod.struct{m int; *bytes.Buffer}.Bytes"({ i64, ptr } %0) {
+define %"github.com/goplus/llgo/runtime/internal/runtime.Slice" @"github.com/goplus/llgo/cl/_testgo/abimethod.struct{m int; *bytes.Buffer}.Bytes"({ i64, ptr } %0) #0 {
 _llgo_0:
   %1 = alloca { i64, ptr }, align 8
   call void @llvm.memset(ptr %1, i8 0, i64 16, i1 false)
@@ -1345,7 +1345,7 @@ _llgo_0:
   ret %"github.com/goplus/llgo/runtime/internal/runtime.Slice" %4
 }
 
-define i64 @"github.com/goplus/llgo/cl/_testgo/abimethod.struct{m int; *bytes.Buffer}.Cap"({ i64, ptr } %0) {
+define i64 @"github.com/goplus/llgo/cl/_testgo/abimethod.struct{m int; *bytes.Buffer}.Cap"({ i64, ptr } %0) #0 {
 _llgo_0:
   %1 = alloca { i64, ptr }, align 8
   call void @llvm.memset(ptr %1, i8 0, i64 16, i1 false)
@@ -1356,7 +1356,7 @@ _llgo_0:
   ret i64 %4
 }
 
-define void @"github.com/goplus/llgo/cl/_testgo/abimethod.struct{m int; *bytes.Buffer}.Grow"({ i64, ptr } %0, i64 %1) {
+define void @"github.com/goplus/llgo/cl/_testgo/abimethod.struct{m int; *bytes.Buffer}.Grow"({ i64, ptr } %0, i64 %1) #0 {
 _llgo_0:
   %2 = alloca { i64, ptr }, align 8
   call void @llvm.memset(ptr %2, i8 0, i64 16, i1 false)
@@ -1367,7 +1367,7 @@ _llgo_0:
   ret void
 }
 
-define i64 @"github.com/goplus/llgo/cl/_testgo/abimethod.struct{m int; *bytes.Buffer}.Len"({ i64, ptr } %0) {
+define i64 @"github.com/goplus/llgo/cl/_testgo/abimethod.struct{m int; *bytes.Buffer}.Len"({ i64, ptr } %0) #0 {
 _llgo_0:
   %1 = alloca { i64, ptr }, align 8
   call void @llvm.memset(ptr %1, i8 0, i64 16, i1 false)
@@ -1378,7 +1378,7 @@ _llgo_0:
   ret i64 %4
 }
 
-define %"github.com/goplus/llgo/runtime/internal/runtime.Slice" @"github.com/goplus/llgo/cl/_testgo/abimethod.struct{m int; *bytes.Buffer}.Next"({ i64, ptr } %0, i64 %1) {
+define %"github.com/goplus/llgo/runtime/internal/runtime.Slice" @"github.com/goplus/llgo/cl/_testgo/abimethod.struct{m int; *bytes.Buffer}.Next"({ i64, ptr } %0, i64 %1) #0 {
 _llgo_0:
   %2 = alloca { i64, ptr }, align 8
   call void @llvm.memset(ptr %2, i8 0, i64 16, i1 false)
@@ -1389,7 +1389,7 @@ _llgo_0:
   ret %"github.com/goplus/llgo/runtime/internal/runtime.Slice" %5
 }
 
-define { i64, %"github.com/goplus/llgo/runtime/internal/runtime.iface" } @"github.com/goplus/llgo/cl/_testgo/abimethod.struct{m int; *bytes.Buffer}.Read"({ i64, ptr } %0, %"github.com/goplus/llgo/runtime/internal/runtime.Slice" %1) {
+define { i64, %"github.com/goplus/llgo/runtime/internal/runtime.iface" } @"github.com/goplus/llgo/cl/_testgo/abimethod.struct{m int; *bytes.Buffer}.Read"({ i64, ptr } %0, %"github.com/goplus/llgo/runtime/internal/runtime.Slice" %1) #0 {
 _llgo_0:
   %2 = alloca { i64, ptr }, align 8
   call void @llvm.memset(ptr %2, i8 0, i64 16, i1 false)
@@ -1404,7 +1404,7 @@ _llgo_0:
   ret { i64, %"github.com/goplus/llgo/runtime/internal/runtime.iface" } %9
 }
 
-define { i8, %"github.com/goplus/llgo/runtime/internal/runtime.iface" } @"github.com/goplus/llgo/cl/_testgo/abimethod.struct{m int; *bytes.Buffer}.ReadByte"({ i64, ptr } %0) {
+define { i8, %"github.com/goplus/llgo/runtime/internal/runtime.iface" } @"github.com/goplus/llgo/cl/_testgo/abimethod.struct{m int; *bytes.Buffer}.ReadByte"({ i64, ptr } %0) #0 {
 _llgo_0:
   %1 = alloca { i64, ptr }, align 8
   call void @llvm.memset(ptr %1, i8 0, i64 16, i1 false)
@@ -1419,7 +1419,7 @@ _llgo_0:
   ret { i8, %"github.com/goplus/llgo/runtime/internal/runtime.iface" } %8
 }
 
-define { %"github.com/goplus/llgo/runtime/internal/runtime.Slice", %"github.com/goplus/llgo/runtime/internal/runtime.iface" } @"github.com/goplus/llgo/cl/_testgo/abimethod.struct{m int; *bytes.Buffer}.ReadBytes"({ i64, ptr } %0, i8 %1) {
+define { %"github.com/goplus/llgo/runtime/internal/runtime.Slice", %"github.com/goplus/llgo/runtime/internal/runtime.iface" } @"github.com/goplus/llgo/cl/_testgo/abimethod.struct{m int; *bytes.Buffer}.ReadBytes"({ i64, ptr } %0, i8 %1) #0 {
 _llgo_0:
   %2 = alloca { i64, ptr }, align 8
   call void @llvm.memset(ptr %2, i8 0, i64 16, i1 false)
@@ -1434,7 +1434,7 @@ _llgo_0:
   ret { %"github.com/goplus/llgo/runtime/internal/runtime.Slice", %"github.com/goplus/llgo/runtime/internal/runtime.iface" } %9
 }
 
-define { i64, %"github.com/goplus/llgo/runtime/internal/runtime.iface" } @"github.com/goplus/llgo/cl/_testgo/abimethod.struct{m int; *bytes.Buffer}.ReadFrom"({ i64, ptr } %0, %"github.com/goplus/llgo/runtime/internal/runtime.iface" %1) {
+define { i64, %"github.com/goplus/llgo/runtime/internal/runtime.iface" } @"github.com/goplus/llgo/cl/_testgo/abimethod.struct{m int; *bytes.Buffer}.ReadFrom"({ i64, ptr } %0, %"github.com/goplus/llgo/runtime/internal/runtime.iface" %1) #0 {
 _llgo_0:
   %2 = alloca { i64, ptr }, align 8
   call void @llvm.memset(ptr %2, i8 0, i64 16, i1 false)
@@ -1449,7 +1449,7 @@ _llgo_0:
   ret { i64, %"github.com/goplus/llgo/runtime/internal/runtime.iface" } %9
 }
 
-define { i32, i64, %"github.com/goplus/llgo/runtime/internal/runtime.iface" } @"github.com/goplus/llgo/cl/_testgo/abimethod.struct{m int; *bytes.Buffer}.ReadRune"({ i64, ptr } %0) {
+define { i32, i64, %"github.com/goplus/llgo/runtime/internal/runtime.iface" } @"github.com/goplus/llgo/cl/_testgo/abimethod.struct{m int; *bytes.Buffer}.ReadRune"({ i64, ptr } %0) #0 {
 _llgo_0:
   %1 = alloca { i64, ptr }, align 8
   call void @llvm.memset(ptr %1, i8 0, i64 16, i1 false)
@@ -1466,7 +1466,7 @@ _llgo_0:
   ret { i32, i64, %"github.com/goplus/llgo/runtime/internal/runtime.iface" } %10
 }
 
-define { %"github.com/goplus/llgo/runtime/internal/runtime.String", %"github.com/goplus/llgo/runtime/internal/runtime.iface" } @"github.com/goplus/llgo/cl/_testgo/abimethod.struct{m int; *bytes.Buffer}.ReadString"({ i64, ptr } %0, i8 %1) {
+define { %"github.com/goplus/llgo/runtime/internal/runtime.String", %"github.com/goplus/llgo/runtime/internal/runtime.iface" } @"github.com/goplus/llgo/cl/_testgo/abimethod.struct{m int; *bytes.Buffer}.ReadString"({ i64, ptr } %0, i8 %1) #0 {
 _llgo_0:
   %2 = alloca { i64, ptr }, align 8
   call void @llvm.memset(ptr %2, i8 0, i64 16, i1 false)
@@ -1481,7 +1481,7 @@ _llgo_0:
   ret { %"github.com/goplus/llgo/runtime/internal/runtime.String", %"github.com/goplus/llgo/runtime/internal/runtime.iface" } %9
 }
 
-define void @"github.com/goplus/llgo/cl/_testgo/abimethod.struct{m int; *bytes.Buffer}.Reset"({ i64, ptr } %0) {
+define void @"github.com/goplus/llgo/cl/_testgo/abimethod.struct{m int; *bytes.Buffer}.Reset"({ i64, ptr } %0) #0 {
 _llgo_0:
   %1 = alloca { i64, ptr }, align 8
   call void @llvm.memset(ptr %1, i8 0, i64 16, i1 false)
@@ -1492,7 +1492,7 @@ _llgo_0:
   ret void
 }
 
-define %"github.com/goplus/llgo/runtime/internal/runtime.String" @"github.com/goplus/llgo/cl/_testgo/abimethod.struct{m int; *bytes.Buffer}.String"({ i64, ptr } %0) {
+define %"github.com/goplus/llgo/runtime/internal/runtime.String" @"github.com/goplus/llgo/cl/_testgo/abimethod.struct{m int; *bytes.Buffer}.String"({ i64, ptr } %0) #0 {
 _llgo_0:
   %1 = alloca { i64, ptr }, align 8
   call void @llvm.memset(ptr %1, i8 0, i64 16, i1 false)
@@ -1503,7 +1503,7 @@ _llgo_0:
   ret %"github.com/goplus/llgo/runtime/internal/runtime.String" %4
 }
 
-define void @"github.com/goplus/llgo/cl/_testgo/abimethod.struct{m int; *bytes.Buffer}.Truncate"({ i64, ptr } %0, i64 %1) {
+define void @"github.com/goplus/llgo/cl/_testgo/abimethod.struct{m int; *bytes.Buffer}.Truncate"({ i64, ptr } %0, i64 %1) #0 {
 _llgo_0:
   %2 = alloca { i64, ptr }, align 8
   call void @llvm.memset(ptr %2, i8 0, i64 16, i1 false)
@@ -1514,7 +1514,7 @@ _llgo_0:
   ret void
 }
 
-define %"github.com/goplus/llgo/runtime/internal/runtime.iface" @"github.com/goplus/llgo/cl/_testgo/abimethod.struct{m int; *bytes.Buffer}.UnreadByte"({ i64, ptr } %0) {
+define %"github.com/goplus/llgo/runtime/internal/runtime.iface" @"github.com/goplus/llgo/cl/_testgo/abimethod.struct{m int; *bytes.Buffer}.UnreadByte"({ i64, ptr } %0) #0 {
 _llgo_0:
   %1 = alloca { i64, ptr }, align 8
   call void @llvm.memset(ptr %1, i8 0, i64 16, i1 false)
@@ -1525,7 +1525,7 @@ _llgo_0:
   ret %"github.com/goplus/llgo/runtime/internal/runtime.iface" %4
 }
 
-define %"github.com/goplus/llgo/runtime/internal/runtime.iface" @"github.com/goplus/llgo/cl/_testgo/abimethod.struct{m int; *bytes.Buffer}.UnreadRune"({ i64, ptr } %0) {
+define %"github.com/goplus/llgo/runtime/internal/runtime.iface" @"github.com/goplus/llgo/cl/_testgo/abimethod.struct{m int; *bytes.Buffer}.UnreadRune"({ i64, ptr } %0) #0 {
 _llgo_0:
   %1 = alloca { i64, ptr }, align 8
   call void @llvm.memset(ptr %1, i8 0, i64 16, i1 false)
@@ -1536,7 +1536,7 @@ _llgo_0:
   ret %"github.com/goplus/llgo/runtime/internal/runtime.iface" %4
 }
 
-define { i64, %"github.com/goplus/llgo/runtime/internal/runtime.iface" } @"github.com/goplus/llgo/cl/_testgo/abimethod.struct{m int; *bytes.Buffer}.Write"({ i64, ptr } %0, %"github.com/goplus/llgo/runtime/internal/runtime.Slice" %1) {
+define { i64, %"github.com/goplus/llgo/runtime/internal/runtime.iface" } @"github.com/goplus/llgo/cl/_testgo/abimethod.struct{m int; *bytes.Buffer}.Write"({ i64, ptr } %0, %"github.com/goplus/llgo/runtime/internal/runtime.Slice" %1) #0 {
 _llgo_0:
   %2 = alloca { i64, ptr }, align 8
   call void @llvm.memset(ptr %2, i8 0, i64 16, i1 false)
@@ -1551,7 +1551,7 @@ _llgo_0:
   ret { i64, %"github.com/goplus/llgo/runtime/internal/runtime.iface" } %9
 }
 
-define %"github.com/goplus/llgo/runtime/internal/runtime.iface" @"github.com/goplus/llgo/cl/_testgo/abimethod.struct{m int; *bytes.Buffer}.WriteByte"({ i64, ptr } %0, i8 %1) {
+define %"github.com/goplus/llgo/runtime/internal/runtime.iface" @"github.com/goplus/llgo/cl/_testgo/abimethod.struct{m int; *bytes.Buffer}.WriteByte"({ i64, ptr } %0, i8 %1) #0 {
 _llgo_0:
   %2 = alloca { i64, ptr }, align 8
   call void @llvm.memset(ptr %2, i8 0, i64 16, i1 false)
@@ -1562,7 +1562,7 @@ _llgo_0:
   ret %"github.com/goplus/llgo/runtime/internal/runtime.iface" %5
 }
 
-define { i64, %"github.com/goplus/llgo/runtime/internal/runtime.iface" } @"github.com/goplus/llgo/cl/_testgo/abimethod.struct{m int; *bytes.Buffer}.WriteRune"({ i64, ptr } %0, i32 %1) {
+define { i64, %"github.com/goplus/llgo/runtime/internal/runtime.iface" } @"github.com/goplus/llgo/cl/_testgo/abimethod.struct{m int; *bytes.Buffer}.WriteRune"({ i64, ptr } %0, i32 %1) #0 {
 _llgo_0:
   %2 = alloca { i64, ptr }, align 8
   call void @llvm.memset(ptr %2, i8 0, i64 16, i1 false)
@@ -1577,7 +1577,7 @@ _llgo_0:
   ret { i64, %"github.com/goplus/llgo/runtime/internal/runtime.iface" } %9
 }
 
-define { i64, %"github.com/goplus/llgo/runtime/internal/runtime.iface" } @"github.com/goplus/llgo/cl/_testgo/abimethod.struct{m int; *bytes.Buffer}.WriteString"({ i64, ptr } %0, %"github.com/goplus/llgo/runtime/internal/runtime.String" %1) {
+define { i64, %"github.com/goplus/llgo/runtime/internal/runtime.iface" } @"github.com/goplus/llgo/cl/_testgo/abimethod.struct{m int; *bytes.Buffer}.WriteString"({ i64, ptr } %0, %"github.com/goplus/llgo/runtime/internal/runtime.String" %1) #0 {
 _llgo_0:
   %2 = alloca { i64, ptr }, align 8
   call void @llvm.memset(ptr %2, i8 0, i64 16, i1 false)
@@ -1592,7 +1592,7 @@ _llgo_0:
   ret { i64, %"github.com/goplus/llgo/runtime/internal/runtime.iface" } %9
 }
 
-define { i64, %"github.com/goplus/llgo/runtime/internal/runtime.iface" } @"github.com/goplus/llgo/cl/_testgo/abimethod.struct{m int; *bytes.Buffer}.WriteTo"({ i64, ptr } %0, %"github.com/goplus/llgo/runtime/internal/runtime.iface" %1) {
+define { i64, %"github.com/goplus/llgo/runtime/internal/runtime.iface" } @"github.com/goplus/llgo/cl/_testgo/abimethod.struct{m int; *bytes.Buffer}.WriteTo"({ i64, ptr } %0, %"github.com/goplus/llgo/runtime/internal/runtime.iface" %1) #0 {
 _llgo_0:
   %2 = alloca { i64, ptr }, align 8
   call void @llvm.memset(ptr %2, i8 0, i64 16, i1 false)
@@ -1607,7 +1607,7 @@ _llgo_0:
   ret { i64, %"github.com/goplus/llgo/runtime/internal/runtime.iface" } %9
 }
 
-define i1 @"github.com/goplus/llgo/cl/_testgo/abimethod.struct{m int; *bytes.Buffer}.empty"({ i64, ptr } %0) {
+define i1 @"github.com/goplus/llgo/cl/_testgo/abimethod.struct{m int; *bytes.Buffer}.empty"({ i64, ptr } %0) #0 {
 _llgo_0:
   %1 = alloca { i64, ptr }, align 8
   call void @llvm.memset(ptr %1, i8 0, i64 16, i1 false)
@@ -1618,7 +1618,7 @@ _llgo_0:
   ret i1 %4
 }
 
-define i64 @"github.com/goplus/llgo/cl/_testgo/abimethod.struct{m int; *bytes.Buffer}.grow"({ i64, ptr } %0, i64 %1) {
+define i64 @"github.com/goplus/llgo/cl/_testgo/abimethod.struct{m int; *bytes.Buffer}.grow"({ i64, ptr } %0, i64 %1) #0 {
 _llgo_0:
   %2 = alloca { i64, ptr }, align 8
   call void @llvm.memset(ptr %2, i8 0, i64 16, i1 false)
@@ -1629,7 +1629,7 @@ _llgo_0:
   ret i64 %5
 }
 
-define { %"github.com/goplus/llgo/runtime/internal/runtime.Slice", %"github.com/goplus/llgo/runtime/internal/runtime.iface" } @"github.com/goplus/llgo/cl/_testgo/abimethod.struct{m int; *bytes.Buffer}.readSlice"({ i64, ptr } %0, i8 %1) {
+define { %"github.com/goplus/llgo/runtime/internal/runtime.Slice", %"github.com/goplus/llgo/runtime/internal/runtime.iface" } @"github.com/goplus/llgo/cl/_testgo/abimethod.struct{m int; *bytes.Buffer}.readSlice"({ i64, ptr } %0, i8 %1) #0 {
 _llgo_0:
   %2 = alloca { i64, ptr }, align 8
   call void @llvm.memset(ptr %2, i8 0, i64 16, i1 false)
@@ -1644,7 +1644,7 @@ _llgo_0:
   ret { %"github.com/goplus/llgo/runtime/internal/runtime.Slice", %"github.com/goplus/llgo/runtime/internal/runtime.iface" } %9
 }
 
-define { i64, i1 } @"github.com/goplus/llgo/cl/_testgo/abimethod.struct{m int; *bytes.Buffer}.tryGrowByReslice"({ i64, ptr } %0, i64 %1) {
+define { i64, i1 } @"github.com/goplus/llgo/cl/_testgo/abimethod.struct{m int; *bytes.Buffer}.tryGrowByReslice"({ i64, ptr } %0, i64 %1) #0 {
 _llgo_0:
   %2 = alloca { i64, ptr }, align 8
   call void @llvm.memset(ptr %2, i8 0, i64 16, i1 false)
@@ -1659,100 +1659,101 @@ _llgo_0:
   ret { i64, i1 } %9
 }
 
-declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.memequal8"(ptr, ptr)
+declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.memequal8"(ptr, ptr) #0
 
-define linkonce i1 @"__llgo_stub.github.com/goplus/llgo/runtime/internal/runtime.memequal8"(ptr %0, ptr %1, ptr %2) {
+define linkonce i1 @"__llgo_stub.github.com/goplus/llgo/runtime/internal/runtime.memequal8"(ptr %0, ptr %1, ptr %2) #0 {
 _llgo_0:
   %3 = tail call i1 @"github.com/goplus/llgo/runtime/internal/runtime.memequal8"(ptr %1, ptr %2)
   ret i1 %3
 }
 
-declare i64 @"bytes.(*Buffer).Available"(ptr)
+declare i64 @"bytes.(*Buffer).Available"(ptr) #0
 
-declare %"github.com/goplus/llgo/runtime/internal/runtime.Slice" @"bytes.(*Buffer).AvailableBuffer"(ptr)
+declare %"github.com/goplus/llgo/runtime/internal/runtime.Slice" @"bytes.(*Buffer).AvailableBuffer"(ptr) #0
 
-declare %"github.com/goplus/llgo/runtime/internal/runtime.Slice" @"bytes.(*Buffer).Bytes"(ptr)
+declare %"github.com/goplus/llgo/runtime/internal/runtime.Slice" @"bytes.(*Buffer).Bytes"(ptr) #0
 
-declare i64 @"bytes.(*Buffer).Cap"(ptr)
+declare i64 @"bytes.(*Buffer).Cap"(ptr) #0
 
-declare void @"bytes.(*Buffer).Grow"(ptr, i64)
+declare void @"bytes.(*Buffer).Grow"(ptr, i64) #0
 
-declare i64 @"bytes.(*Buffer).Len"(ptr)
+declare i64 @"bytes.(*Buffer).Len"(ptr) #0
 
-declare %"github.com/goplus/llgo/runtime/internal/runtime.Slice" @"bytes.(*Buffer).Next"(ptr, i64)
+declare %"github.com/goplus/llgo/runtime/internal/runtime.Slice" @"bytes.(*Buffer).Next"(ptr, i64) #0
 
-declare { i64, %"github.com/goplus/llgo/runtime/internal/runtime.iface" } @"bytes.(*Buffer).Read"(ptr, %"github.com/goplus/llgo/runtime/internal/runtime.Slice")
+declare { i64, %"github.com/goplus/llgo/runtime/internal/runtime.iface" } @"bytes.(*Buffer).Read"(ptr, %"github.com/goplus/llgo/runtime/internal/runtime.Slice") #0
 
-declare { i8, %"github.com/goplus/llgo/runtime/internal/runtime.iface" } @"bytes.(*Buffer).ReadByte"(ptr)
+declare { i8, %"github.com/goplus/llgo/runtime/internal/runtime.iface" } @"bytes.(*Buffer).ReadByte"(ptr) #0
 
-declare { %"github.com/goplus/llgo/runtime/internal/runtime.Slice", %"github.com/goplus/llgo/runtime/internal/runtime.iface" } @"bytes.(*Buffer).ReadBytes"(ptr, i8)
+declare { %"github.com/goplus/llgo/runtime/internal/runtime.Slice", %"github.com/goplus/llgo/runtime/internal/runtime.iface" } @"bytes.(*Buffer).ReadBytes"(ptr, i8) #0
 
-declare { i64, %"github.com/goplus/llgo/runtime/internal/runtime.iface" } @"bytes.(*Buffer).ReadFrom"(ptr, %"github.com/goplus/llgo/runtime/internal/runtime.iface")
+declare { i64, %"github.com/goplus/llgo/runtime/internal/runtime.iface" } @"bytes.(*Buffer).ReadFrom"(ptr, %"github.com/goplus/llgo/runtime/internal/runtime.iface") #0
 
-declare { i32, i64, %"github.com/goplus/llgo/runtime/internal/runtime.iface" } @"bytes.(*Buffer).ReadRune"(ptr)
+declare { i32, i64, %"github.com/goplus/llgo/runtime/internal/runtime.iface" } @"bytes.(*Buffer).ReadRune"(ptr) #0
 
-declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.memequal32"(ptr, ptr)
+declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.memequal32"(ptr, ptr) #0
 
-define linkonce i1 @"__llgo_stub.github.com/goplus/llgo/runtime/internal/runtime.memequal32"(ptr %0, ptr %1, ptr %2) {
+define linkonce i1 @"__llgo_stub.github.com/goplus/llgo/runtime/internal/runtime.memequal32"(ptr %0, ptr %1, ptr %2) #0 {
 _llgo_0:
   %3 = tail call i1 @"github.com/goplus/llgo/runtime/internal/runtime.memequal32"(ptr %1, ptr %2)
   ret i1 %3
 }
 
-declare { %"github.com/goplus/llgo/runtime/internal/runtime.String", %"github.com/goplus/llgo/runtime/internal/runtime.iface" } @"bytes.(*Buffer).ReadString"(ptr, i8)
+declare { %"github.com/goplus/llgo/runtime/internal/runtime.String", %"github.com/goplus/llgo/runtime/internal/runtime.iface" } @"bytes.(*Buffer).ReadString"(ptr, i8) #0
 
-declare void @"bytes.(*Buffer).Reset"(ptr)
+declare void @"bytes.(*Buffer).Reset"(ptr) #0
 
-declare %"github.com/goplus/llgo/runtime/internal/runtime.String" @"bytes.(*Buffer).String"(ptr)
+declare %"github.com/goplus/llgo/runtime/internal/runtime.String" @"bytes.(*Buffer).String"(ptr) #0
 
-declare void @"bytes.(*Buffer).Truncate"(ptr, i64)
+declare void @"bytes.(*Buffer).Truncate"(ptr, i64) #0
 
-declare %"github.com/goplus/llgo/runtime/internal/runtime.iface" @"bytes.(*Buffer).UnreadByte"(ptr)
+declare %"github.com/goplus/llgo/runtime/internal/runtime.iface" @"bytes.(*Buffer).UnreadByte"(ptr) #0
 
-declare %"github.com/goplus/llgo/runtime/internal/runtime.iface" @"bytes.(*Buffer).UnreadRune"(ptr)
+declare %"github.com/goplus/llgo/runtime/internal/runtime.iface" @"bytes.(*Buffer).UnreadRune"(ptr) #0
 
-declare { i64, %"github.com/goplus/llgo/runtime/internal/runtime.iface" } @"bytes.(*Buffer).Write"(ptr, %"github.com/goplus/llgo/runtime/internal/runtime.Slice")
+declare { i64, %"github.com/goplus/llgo/runtime/internal/runtime.iface" } @"bytes.(*Buffer).Write"(ptr, %"github.com/goplus/llgo/runtime/internal/runtime.Slice") #0
 
-declare %"github.com/goplus/llgo/runtime/internal/runtime.iface" @"bytes.(*Buffer).WriteByte"(ptr, i8)
+declare %"github.com/goplus/llgo/runtime/internal/runtime.iface" @"bytes.(*Buffer).WriteByte"(ptr, i8) #0
 
-declare { i64, %"github.com/goplus/llgo/runtime/internal/runtime.iface" } @"bytes.(*Buffer).WriteRune"(ptr, i32)
+declare { i64, %"github.com/goplus/llgo/runtime/internal/runtime.iface" } @"bytes.(*Buffer).WriteRune"(ptr, i32) #0
 
-declare { i64, %"github.com/goplus/llgo/runtime/internal/runtime.iface" } @"bytes.(*Buffer).WriteString"(ptr, %"github.com/goplus/llgo/runtime/internal/runtime.String")
+declare { i64, %"github.com/goplus/llgo/runtime/internal/runtime.iface" } @"bytes.(*Buffer).WriteString"(ptr, %"github.com/goplus/llgo/runtime/internal/runtime.String") #0
 
-declare { i64, %"github.com/goplus/llgo/runtime/internal/runtime.iface" } @"bytes.(*Buffer).WriteTo"(ptr, %"github.com/goplus/llgo/runtime/internal/runtime.iface")
+declare { i64, %"github.com/goplus/llgo/runtime/internal/runtime.iface" } @"bytes.(*Buffer).WriteTo"(ptr, %"github.com/goplus/llgo/runtime/internal/runtime.iface") #0
 
-declare i1 @"bytes.(*Buffer).empty"(ptr)
+declare i1 @"bytes.(*Buffer).empty"(ptr) #0
 
-declare i64 @"bytes.(*Buffer).grow"(ptr, i64)
+declare i64 @"bytes.(*Buffer).grow"(ptr, i64) #0
 
-declare { %"github.com/goplus/llgo/runtime/internal/runtime.Slice", %"github.com/goplus/llgo/runtime/internal/runtime.iface" } @"bytes.(*Buffer).readSlice"(ptr, i8)
+declare { %"github.com/goplus/llgo/runtime/internal/runtime.Slice", %"github.com/goplus/llgo/runtime/internal/runtime.iface" } @"bytes.(*Buffer).readSlice"(ptr, i8) #0
 
-declare { i64, i1 } @"bytes.(*Buffer).tryGrowByReslice"(ptr, i64)
+declare { i64, i1 } @"bytes.(*Buffer).tryGrowByReslice"(ptr, i64) #0
 
-declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.StringEqual"(%"github.com/goplus/llgo/runtime/internal/runtime.String", %"github.com/goplus/llgo/runtime/internal/runtime.String")
+declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.StringEqual"(%"github.com/goplus/llgo/runtime/internal/runtime.String", %"github.com/goplus/llgo/runtime/internal/runtime.String") #0
 
-define linkonce ptr @"github.com/goplus/llgo/cl/_testgo/abimethod.(*Pointer[any]).Load"(ptr %0) {
+define linkonce ptr @"github.com/goplus/llgo/cl/_testgo/abimethod.(*Pointer[any]).Load"(ptr %0) #0 {
 _llgo_0:
   %1 = getelementptr inbounds %"github.com/goplus/llgo/cl/_testgo/abimethod.Pointer[any]", ptr %0, i32 0, i32 1
   %2 = load atomic ptr, ptr %1 seq_cst, align 8
   ret ptr %2
 }
 
-define linkonce void @"github.com/goplus/llgo/cl/_testgo/abimethod.(*Pointer[any]).Store"(ptr %0, ptr %1) {
+define linkonce void @"github.com/goplus/llgo/cl/_testgo/abimethod.(*Pointer[any]).Store"(ptr %0, ptr %1) #0 {
 _llgo_0:
   %2 = getelementptr inbounds %"github.com/goplus/llgo/cl/_testgo/abimethod.Pointer[any]", ptr %0, i32 0, i32 1
   store atomic ptr %1, ptr %2 seq_cst, align 8
   ret void
 }
 
-declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.arrayequal"(ptr, ptr, ptr)
+declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.arrayequal"(ptr, ptr, ptr) #0
 
-declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.nilinterequal"(ptr, ptr)
+declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.nilinterequal"(ptr, ptr) #0
 
-define linkonce i1 @"__llgo_stub.github.com/goplus/llgo/runtime/internal/runtime.nilinterequal"(ptr %0, ptr %1, ptr %2) {
+define linkonce i1 @"__llgo_stub.github.com/goplus/llgo/runtime/internal/runtime.nilinterequal"(ptr %0, ptr %1, ptr %2) #0 {
 _llgo_0:
   %3 = tail call i1 @"github.com/goplus/llgo/runtime/internal/runtime.nilinterequal"(ptr %1, ptr %2)
   ret i1 %3
 }
 
-attributes #0 = { nocallback nofree nounwind willreturn memory(argmem: write) }
+attributes #0 = { "frame-pointer"="non-leaf" }
+attributes #1 = { nocallback nofree nounwind willreturn memory(argmem: write) "frame-pointer"="non-leaf" }
diff --git a/cl/_testgo/alias/out.ll b/cl/_testgo/alias/out.ll
index 4fa20a64c8..1d3ffe3f82 100644
--- a/cl/_testgo/alias/out.ll
+++ b/cl/_testgo/alias/out.ll
@@ -5,7 +5,7 @@ source_filename = "github.com/goplus/llgo/cl/_testgo/alias"
 
 @"github.com/goplus/llgo/cl/_testgo/alias.init$guard" = global i1 false, align 1
 
-define void @"github.com/goplus/llgo/cl/_testgo/alias.(*Point).Move"(ptr %0, double %1, double %2) {
+define void @"github.com/goplus/llgo/cl/_testgo/alias.(*Point).Move"(ptr %0, double %1, double %2) #0 {
 _llgo_0:
   %3 = getelementptr inbounds %"github.com/goplus/llgo/cl/_testgo/alias.Point", ptr %0, i32 0, i32 0
   %4 = load double, ptr %3, align 8
@@ -20,7 +20,7 @@ _llgo_0:
   ret void
 }
 
-define void @"github.com/goplus/llgo/cl/_testgo/alias.(*Point).Scale"(ptr %0, double %1) {
+define void @"github.com/goplus/llgo/cl/_testgo/alias.(*Point).Scale"(ptr %0, double %1) #0 {
 _llgo_0:
   %2 = getelementptr inbounds %"github.com/goplus/llgo/cl/_testgo/alias.Point", ptr %0, i32 0, i32 0
   %3 = load double, ptr %2, align 8
@@ -35,7 +35,7 @@ _llgo_0:
   ret void
 }
 
-define void @"github.com/goplus/llgo/cl/_testgo/alias.init"() {
+define void @"github.com/goplus/llgo/cl/_testgo/alias.init"() #0 {
 _llgo_0:
   %0 = load i1, ptr @"github.com/goplus/llgo/cl/_testgo/alias.init$guard", align 1
   br i1 %0, label %_llgo_2, label %_llgo_1
@@ -48,7 +48,7 @@ _llgo_2:                                          ; preds = %_llgo_1, %_llgo_0
   ret void
 }
 
-define void @"github.com/goplus/llgo/cl/_testgo/alias.main"() {
+define void @"github.com/goplus/llgo/cl/_testgo/alias.main"() #0 {
 _llgo_0:
   %0 = call ptr @"github.com/goplus/llgo/runtime/internal/runtime.AllocZ"(i64 16)
   %1 = getelementptr inbounds %"github.com/goplus/llgo/cl/_testgo/alias.Point", ptr %0, i32 0, i32 0
@@ -68,8 +68,10 @@ _llgo_0:
   ret void
 }
 
-declare ptr @"github.com/goplus/llgo/runtime/internal/runtime.AllocZ"(i64)
+declare ptr @"github.com/goplus/llgo/runtime/internal/runtime.AllocZ"(i64) #0
 
-declare void @"github.com/goplus/llgo/runtime/internal/runtime.PrintFloat"(double)
+declare void @"github.com/goplus/llgo/runtime/internal/runtime.PrintFloat"(double) #0
 
-declare void @"github.com/goplus/llgo/runtime/internal/runtime.PrintByte"(i8)
+declare void @"github.com/goplus/llgo/runtime/internal/runtime.PrintByte"(i8) #0
+
+attributes #0 = { "frame-pointer"="non-leaf" }
diff --git a/cl/_testgo/allocinloop/out.ll b/cl/_testgo/allocinloop/out.ll
index c5c62438f2..b0e74ebc7f 100644
--- a/cl/_testgo/allocinloop/out.ll
+++ b/cl/_testgo/allocinloop/out.ll
@@ -6,13 +6,13 @@ source_filename = "github.com/goplus/llgo/cl/_testgo/allocinloop"
 @"github.com/goplus/llgo/cl/_testgo/allocinloop.init$guard" = global i1 false, align 1
 @0 = private unnamed_addr constant [5 x i8] c"hello", align 1
 
-define i64 @"github.com/goplus/llgo/cl/_testgo/allocinloop.Foo"(%"github.com/goplus/llgo/runtime/internal/runtime.String" %0) {
+define i64 @"github.com/goplus/llgo/cl/_testgo/allocinloop.Foo"(%"github.com/goplus/llgo/runtime/internal/runtime.String" %0) #0 {
 _llgo_0:
   %1 = extractvalue %"github.com/goplus/llgo/runtime/internal/runtime.String" %0, 1
   ret i64 %1
 }
 
-define void @"github.com/goplus/llgo/cl/_testgo/allocinloop.Test"() {
+define void @"github.com/goplus/llgo/cl/_testgo/allocinloop.Test"() #0 {
 _llgo_0:
   br label %_llgo_1
 
@@ -34,7 +34,7 @@ _llgo_3:                                          ; preds = %_llgo_1
   ret void
 }
 
-define void @"github.com/goplus/llgo/cl/_testgo/allocinloop.init"() {
+define void @"github.com/goplus/llgo/cl/_testgo/allocinloop.init"() #0 {
 _llgo_0:
   %0 = load i1, ptr @"github.com/goplus/llgo/cl/_testgo/allocinloop.init$guard", align 1
   br i1 %0, label %_llgo_2, label %_llgo_1
@@ -47,12 +47,14 @@ _llgo_2:                                          ; preds = %_llgo_1, %_llgo_0
   ret void
 }
 
-define void @"github.com/goplus/llgo/cl/_testgo/allocinloop.main"() {
+define void @"github.com/goplus/llgo/cl/_testgo/allocinloop.main"() #0 {
 _llgo_0:
   call void @"github.com/goplus/llgo/cl/_testgo/allocinloop.Test"()
   ret void
 }
 
-declare void @"github.com/goplus/llgo/runtime/internal/runtime.PrintInt"(i64)
+declare void @"github.com/goplus/llgo/runtime/internal/runtime.PrintInt"(i64) #0
 
-declare void @"github.com/goplus/llgo/runtime/internal/runtime.PrintByte"(i8)
+declare void @"github.com/goplus/llgo/runtime/internal/runtime.PrintByte"(i8) #0
+
+attributes #0 = { "frame-pointer"="non-leaf" }
diff --git a/cl/_testgo/closure/out.ll b/cl/_testgo/closure/out.ll
index 229ab59b15..46f0a20cb4 100644
--- a/cl/_testgo/closure/out.ll
+++ b/cl/_testgo/closure/out.ll
@@ -9,7 +9,7 @@ source_filename = "github.com/goplus/llgo/cl/_testgo/closure"
 @1 = private unnamed_addr constant [4 x i8] c"func", align 1
 @2 = private unnamed_addr constant [7 x i8] c"closure", align 1
 
-define void @"github.com/goplus/llgo/cl/_testgo/closure.init"() {
+define void @"github.com/goplus/llgo/cl/_testgo/closure.init"() #0 {
 _llgo_0:
   %0 = load i1, ptr @"github.com/goplus/llgo/cl/_testgo/closure.init$guard", align 1
   br i1 %0, label %_llgo_2, label %_llgo_1
@@ -22,7 +22,7 @@ _llgo_2:                                          ; preds = %_llgo_1, %_llgo_0
   ret void
 }
 
-define void @"github.com/goplus/llgo/cl/_testgo/closure.main"() {
+define void @"github.com/goplus/llgo/cl/_testgo/closure.main"() #0 {
 _llgo_0:
   %0 = call ptr @"github.com/goplus/llgo/runtime/internal/runtime.AllocZ"(i64 16)
   store %"github.com/goplus/llgo/runtime/internal/runtime.String" { ptr @0, i64 3 }, ptr %0, align 8
@@ -40,7 +40,7 @@ _llgo_0:
   ret void
 }
 
-define void @"github.com/goplus/llgo/cl/_testgo/closure.main$1"(i64 %0) {
+define void @"github.com/goplus/llgo/cl/_testgo/closure.main$1"(i64 %0) #0 {
 _llgo_0:
   call void @"github.com/goplus/llgo/runtime/internal/runtime.PrintString"(%"github.com/goplus/llgo/runtime/internal/runtime.String" { ptr @1, i64 4 })
   call void @"github.com/goplus/llgo/runtime/internal/runtime.PrintByte"(i8 32)
@@ -49,7 +49,7 @@ _llgo_0:
   ret void
 }
 
-define void @"github.com/goplus/llgo/cl/_testgo/closure.main$2"(ptr %0, i64 %1) {
+define void @"github.com/goplus/llgo/cl/_testgo/closure.main$2"(ptr %0, i64 %1) #0 {
 _llgo_0:
   %2 = load { ptr }, ptr %0, align 8
   %3 = extractvalue { ptr } %2, 0
@@ -63,18 +63,20 @@ _llgo_0:
   ret void
 }
 
-declare ptr @"github.com/goplus/llgo/runtime/internal/runtime.AllocZ"(i64)
+declare ptr @"github.com/goplus/llgo/runtime/internal/runtime.AllocZ"(i64) #0
 
-define linkonce void @"__llgo_stub.github.com/goplus/llgo/cl/_testgo/closure.main$1"(ptr %0, i64 %1) {
+define linkonce void @"__llgo_stub.github.com/goplus/llgo/cl/_testgo/closure.main$1"(ptr %0, i64 %1) #0 {
 _llgo_0:
   tail call void @"github.com/goplus/llgo/cl/_testgo/closure.main$1"(i64 %1)
   ret void
 }
 
-declare ptr @"github.com/goplus/llgo/runtime/internal/runtime.AllocU"(i64)
+declare ptr @"github.com/goplus/llgo/runtime/internal/runtime.AllocU"(i64) #0
 
-declare void @"github.com/goplus/llgo/runtime/internal/runtime.PrintString"(%"github.com/goplus/llgo/runtime/internal/runtime.String")
+declare void @"github.com/goplus/llgo/runtime/internal/runtime.PrintString"(%"github.com/goplus/llgo/runtime/internal/runtime.String") #0
 
-declare void @"github.com/goplus/llgo/runtime/internal/runtime.PrintByte"(i8)
+declare void @"github.com/goplus/llgo/runtime/internal/runtime.PrintByte"(i8) #0
 
-declare void @"github.com/goplus/llgo/runtime/internal/runtime.PrintInt"(i64)
+declare void @"github.com/goplus/llgo/runtime/internal/runtime.PrintInt"(i64) #0
+
+attributes #0 = { "frame-pointer"="non-leaf" }
diff --git a/cl/_testgo/closure2/out.ll b/cl/_testgo/closure2/out.ll
index bdb333b0df..489a9a28a4 100644
--- a/cl/_testgo/closure2/out.ll
+++ b/cl/_testgo/closure2/out.ll
@@ -6,7 +6,7 @@ source_filename = "github.com/goplus/llgo/cl/_testgo/closure2"
 @"github.com/goplus/llgo/cl/_testgo/closure2.init$guard" = global i1 false, align 1
 @0 = private unnamed_addr constant [7 x i8] c"closure", align 1
 
-define void @"github.com/goplus/llgo/cl/_testgo/closure2.init"() {
+define void @"github.com/goplus/llgo/cl/_testgo/closure2.init"() #0 {
 _llgo_0:
   %0 = load i1, ptr @"github.com/goplus/llgo/cl/_testgo/closure2.init$guard", align 1
   br i1 %0, label %_llgo_2, label %_llgo_1
@@ -19,7 +19,7 @@ _llgo_2:                                          ; preds = %_llgo_1, %_llgo_0
   ret void
 }
 
-define void @"github.com/goplus/llgo/cl/_testgo/closure2.main"() {
+define void @"github.com/goplus/llgo/cl/_testgo/closure2.main"() #0 {
 _llgo_0:
   %0 = call ptr @"github.com/goplus/llgo/runtime/internal/runtime.AllocZ"(i64 8)
   store i64 1, ptr %0, align 4
@@ -36,7 +36,7 @@ _llgo_0:
   ret void
 }
 
-define { ptr, ptr } @"github.com/goplus/llgo/cl/_testgo/closure2.main$1"(ptr %0, i64 %1) {
+define { ptr, ptr } @"github.com/goplus/llgo/cl/_testgo/closure2.main$1"(ptr %0, i64 %1) #0 {
 _llgo_0:
   %2 = load { ptr }, ptr %0, align 8
   %3 = extractvalue { ptr } %2, 0
@@ -47,7 +47,7 @@ _llgo_0:
   ret { ptr, ptr } %6
 }
 
-define void @"github.com/goplus/llgo/cl/_testgo/closure2.main$1$1"(ptr %0, i64 %1) {
+define void @"github.com/goplus/llgo/cl/_testgo/closure2.main$1$1"(ptr %0, i64 %1) #0 {
 _llgo_0:
   %2 = load { ptr }, ptr %0, align 8
   %3 = extractvalue { ptr } %2, 0
@@ -61,12 +61,14 @@ _llgo_0:
   ret void
 }
 
-declare ptr @"github.com/goplus/llgo/runtime/internal/runtime.AllocZ"(i64)
+declare ptr @"github.com/goplus/llgo/runtime/internal/runtime.AllocZ"(i64) #0
 
-declare ptr @"github.com/goplus/llgo/runtime/internal/runtime.AllocU"(i64)
+declare ptr @"github.com/goplus/llgo/runtime/internal/runtime.AllocU"(i64) #0
 
-declare void @"github.com/goplus/llgo/runtime/internal/runtime.PrintString"(%"github.com/goplus/llgo/runtime/internal/runtime.String")
+declare void @"github.com/goplus/llgo/runtime/internal/runtime.PrintString"(%"github.com/goplus/llgo/runtime/internal/runtime.String") #0
 
-declare void @"github.com/goplus/llgo/runtime/internal/runtime.PrintByte"(i8)
+declare void @"github.com/goplus/llgo/runtime/internal/runtime.PrintByte"(i8) #0
 
-declare void @"github.com/goplus/llgo/runtime/internal/runtime.PrintInt"(i64)
+declare void @"github.com/goplus/llgo/runtime/internal/runtime.PrintInt"(i64) #0
+
+attributes #0 = { "frame-pointer"="non-leaf" }
diff --git a/cl/_testgo/closureall/out.ll b/cl/_testgo/closureall/out.ll
index 0d1f779163..5a871f7a09 100644
--- a/cl/_testgo/closureall/out.ll
+++ b/cl/_testgo/closureall/out.ll
@@ -43,7 +43,7 @@ source_filename = "github.com/goplus/llgo/cl/_testgo/closureall"
 @9 = private unnamed_addr constant [6 x i8] c"string", align 1
 @"*_llgo_string" = weak_odr constant %"github.com/goplus/llgo/runtime/abi.PtrType" { %"github.com/goplus/llgo/runtime/abi.Type" { i64 8, i64 8, i32 -1323879264, i8 10, i8 8, i8 8, i8 54, { ptr, ptr } { ptr @"__llgo_stub.github.com/goplus/llgo/runtime/internal/runtime.memequalptr", ptr null }, ptr null, %"github.com/goplus/llgo/runtime/internal/runtime.String" { ptr @9, i64 6 }, ptr null }, ptr @_llgo_string }, align 8
 
-define i64 @"github.com/goplus/llgo/cl/_testgo/closureall.S.Inc"(%"github.com/goplus/llgo/cl/_testgo/closureall.S" %0, i64 %1) {
+define i64 @"github.com/goplus/llgo/cl/_testgo/closureall.S.Inc"(%"github.com/goplus/llgo/cl/_testgo/closureall.S" %0, i64 %1) #0 {
 _llgo_0:
   %2 = alloca %"github.com/goplus/llgo/cl/_testgo/closureall.S", align 8
   call void @llvm.memset(ptr %2, i8 0, i64 8, i1 false)
@@ -54,7 +54,7 @@ _llgo_0:
   ret i64 %5
 }
 
-define i64 @"github.com/goplus/llgo/cl/_testgo/closureall.(*S).Add"(ptr %0, i64 %1) {
+define i64 @"github.com/goplus/llgo/cl/_testgo/closureall.(*S).Add"(ptr %0, i64 %1) #0 {
 _llgo_0:
   %2 = getelementptr inbounds %"github.com/goplus/llgo/cl/_testgo/closureall.S", ptr %0, i32 0, i32 0
   %3 = load i64, ptr %2, align 4
@@ -62,26 +62,26 @@ _llgo_0:
   ret i64 %4
 }
 
-define i64 @"github.com/goplus/llgo/cl/_testgo/closureall.(*S).Inc"(ptr %0, i64 %1) {
+define i64 @"github.com/goplus/llgo/cl/_testgo/closureall.(*S).Inc"(ptr %0, i64 %1) #0 {
 _llgo_0:
   %2 = load %"github.com/goplus/llgo/cl/_testgo/closureall.S", ptr %0, align 4
   %3 = call i64 @"github.com/goplus/llgo/cl/_testgo/closureall.S.Inc"(%"github.com/goplus/llgo/cl/_testgo/closureall.S" %2, i64 %1)
   ret i64 %3
 }
 
-define i32 @"github.com/goplus/llgo/cl/_testgo/closureall.callCallback"(ptr %0, i32 %1) {
+define i32 @"github.com/goplus/llgo/cl/_testgo/closureall.callCallback"(ptr %0, i32 %1) #0 {
 _llgo_0:
   %2 = call i32 %0(i32 %1)
   ret i32 %2
 }
 
-define i64 @"github.com/goplus/llgo/cl/_testgo/closureall.globalAdd"(i64 %0, i64 %1) {
+define i64 @"github.com/goplus/llgo/cl/_testgo/closureall.globalAdd"(i64 %0, i64 %1) #0 {
 _llgo_0:
   %2 = add i64 %0, %1
   ret i64 %2
 }
 
-define void @"github.com/goplus/llgo/cl/_testgo/closureall.init"() {
+define void @"github.com/goplus/llgo/cl/_testgo/closureall.init"() #0 {
 _llgo_0:
   %0 = load i1, ptr @"github.com/goplus/llgo/cl/_testgo/closureall.init$guard", align 1
   br i1 %0, label %_llgo_2, label %_llgo_1
@@ -94,7 +94,7 @@ _llgo_2:                                          ; preds = %_llgo_1, %_llgo_0
   ret void
 }
 
-define void @"github.com/goplus/llgo/cl/_testgo/closureall.main"() {
+define void @"github.com/goplus/llgo/cl/_testgo/closureall.main"() #0 {
 _llgo_0:
   %0 = call %"github.com/goplus/llgo/cl/_testgo/closureall.Fn" @"github.com/goplus/llgo/cl/_testgo/closureall.makeNoFree"()
   %1 = call %"github.com/goplus/llgo/cl/_testgo/closureall.Fn" @"github.com/goplus/llgo/cl/_testgo/closureall.makeWithFree"(i64 3)
@@ -144,24 +144,24 @@ _llgo_2:                                          ; preds = %_llgo_0
   unreachable
 }
 
-define i32 @"github.com/goplus/llgo/cl/_testgo/closureall.main$1"(i32 %0) {
+define i32 @"github.com/goplus/llgo/cl/_testgo/closureall.main$1"(i32 %0) #0 {
 _llgo_0:
   %1 = add i32 %0, 1
   ret i32 %1
 }
 
-define %"github.com/goplus/llgo/cl/_testgo/closureall.Fn" @"github.com/goplus/llgo/cl/_testgo/closureall.makeNoFree"() {
+define %"github.com/goplus/llgo/cl/_testgo/closureall.Fn" @"github.com/goplus/llgo/cl/_testgo/closureall.makeNoFree"() #0 {
 _llgo_0:
   ret %"github.com/goplus/llgo/cl/_testgo/closureall.Fn" { ptr @"__llgo_stub.github.com/goplus/llgo/cl/_testgo/closureall.makeNoFree$1", ptr null }
 }
 
-define i64 @"github.com/goplus/llgo/cl/_testgo/closureall.makeNoFree$1"(i64 %0) {
+define i64 @"github.com/goplus/llgo/cl/_testgo/closureall.makeNoFree$1"(i64 %0) #0 {
 _llgo_0:
   %1 = add i64 %0, 1
   ret i64 %1
 }
 
-define %"github.com/goplus/llgo/cl/_testgo/closureall.Fn" @"github.com/goplus/llgo/cl/_testgo/closureall.makeWithFree"(i64 %0) {
+define %"github.com/goplus/llgo/cl/_testgo/closureall.Fn" @"github.com/goplus/llgo/cl/_testgo/closureall.makeWithFree"(i64 %0) #0 {
 _llgo_0:
   %1 = call ptr @"github.com/goplus/llgo/runtime/internal/runtime.AllocZ"(i64 8)
   store i64 %0, ptr %1, align 4
@@ -175,7 +175,7 @@ _llgo_0:
   ret %"github.com/goplus/llgo/cl/_testgo/closureall.Fn" %6
 }
 
-define i64 @"github.com/goplus/llgo/cl/_testgo/closureall.makeWithFree$1"(ptr %0, i64 %1) {
+define i64 @"github.com/goplus/llgo/cl/_testgo/closureall.makeWithFree$1"(ptr %0, i64 %1) #0 {
 _llgo_0:
   %2 = load { ptr }, ptr %0, align 8
   %3 = extractvalue { ptr } %2, 0
@@ -185,11 +185,11 @@ _llgo_0:
 }
 
 ; Function Attrs: nocallback nofree nounwind willreturn memory(argmem: write)
-declare void @llvm.memset(ptr nocapture writeonly, i8, i64, i1 immarg) #0
+declare void @llvm.memset(ptr nocapture writeonly, i8, i64, i1 immarg) #1
 
-declare ptr @"github.com/goplus/llgo/runtime/internal/runtime.AllocZ"(i64)
+declare ptr @"github.com/goplus/llgo/runtime/internal/runtime.AllocZ"(i64) #0
 
-define i64 @"github.com/goplus/llgo/cl/_testgo/closureall.(*S).Add$bound"(ptr %0, i64 %1) {
+define i64 @"github.com/goplus/llgo/cl/_testgo/closureall.(*S).Add$bound"(ptr %0, i64 %1) #0 {
 _llgo_0:
   %2 = load { ptr }, ptr %0, align 8
   %3 = extractvalue { ptr } %2, 0
@@ -197,55 +197,55 @@ _llgo_0:
   ret i64 %4
 }
 
-declare ptr @"github.com/goplus/llgo/runtime/internal/runtime.AllocU"(i64)
+declare ptr @"github.com/goplus/llgo/runtime/internal/runtime.AllocU"(i64) #0
 
-define i64 @"github.com/goplus/llgo/cl/_testgo/closureall.(*S).Add$thunk"(ptr %0, i64 %1) {
+define i64 @"github.com/goplus/llgo/cl/_testgo/closureall.(*S).Add$thunk"(ptr %0, i64 %1) #0 {
 _llgo_0:
   %2 = call i64 @"github.com/goplus/llgo/cl/_testgo/closureall.(*S).Add"(ptr %0, i64 %1)
   ret i64 %2
 }
 
-declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.memequalptr"(ptr, ptr)
+declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.memequalptr"(ptr, ptr) #0
 
-define linkonce i1 @"__llgo_stub.github.com/goplus/llgo/runtime/internal/runtime.memequalptr"(ptr %0, ptr %1, ptr %2) {
+define linkonce i1 @"__llgo_stub.github.com/goplus/llgo/runtime/internal/runtime.memequalptr"(ptr %0, ptr %1, ptr %2) #0 {
 _llgo_0:
   %3 = tail call i1 @"github.com/goplus/llgo/runtime/internal/runtime.memequalptr"(ptr %1, ptr %2)
   ret i1 %3
 }
 
-declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.structequal"(ptr, ptr, ptr)
+declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.structequal"(ptr, ptr, ptr) #0
 
-declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.memequal64"(ptr, ptr)
+declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.memequal64"(ptr, ptr) #0
 
-define linkonce i1 @"__llgo_stub.github.com/goplus/llgo/runtime/internal/runtime.memequal64"(ptr %0, ptr %1, ptr %2) {
+define linkonce i1 @"__llgo_stub.github.com/goplus/llgo/runtime/internal/runtime.memequal64"(ptr %0, ptr %1, ptr %2) #0 {
 _llgo_0:
   %3 = tail call i1 @"github.com/goplus/llgo/runtime/internal/runtime.memequal64"(ptr %1, ptr %2)
   ret i1 %3
 }
 
-declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.interequal"(ptr, ptr)
+declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.interequal"(ptr, ptr) #0
 
-define linkonce i1 @"__llgo_stub.github.com/goplus/llgo/runtime/internal/runtime.interequal"(ptr %0, ptr %1, ptr %2) {
+define linkonce i1 @"__llgo_stub.github.com/goplus/llgo/runtime/internal/runtime.interequal"(ptr %0, ptr %1, ptr %2) #0 {
 _llgo_0:
   %3 = tail call i1 @"github.com/goplus/llgo/runtime/internal/runtime.interequal"(ptr %1, ptr %2)
   ret i1 %3
 }
 
-declare ptr @"github.com/goplus/llgo/runtime/internal/runtime.NewItab"(ptr, ptr)
+declare ptr @"github.com/goplus/llgo/runtime/internal/runtime.NewItab"(ptr, ptr) #0
 
-declare ptr @"github.com/goplus/llgo/runtime/internal/runtime.IfaceType"(%"github.com/goplus/llgo/runtime/internal/runtime.iface")
+declare ptr @"github.com/goplus/llgo/runtime/internal/runtime.IfaceType"(%"github.com/goplus/llgo/runtime/internal/runtime.iface") #0
 
-declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.strequal"(ptr, ptr)
+declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.strequal"(ptr, ptr) #0
 
-define linkonce i1 @"__llgo_stub.github.com/goplus/llgo/runtime/internal/runtime.strequal"(ptr %0, ptr %1, ptr %2) {
+define linkonce i1 @"__llgo_stub.github.com/goplus/llgo/runtime/internal/runtime.strequal"(ptr %0, ptr %1, ptr %2) #0 {
 _llgo_0:
   %3 = tail call i1 @"github.com/goplus/llgo/runtime/internal/runtime.strequal"(ptr %1, ptr %2)
   ret i1 %3
 }
 
-declare void @"github.com/goplus/llgo/runtime/internal/runtime.Panic"(%"github.com/goplus/llgo/runtime/internal/runtime.eface")
+declare void @"github.com/goplus/llgo/runtime/internal/runtime.Panic"(%"github.com/goplus/llgo/runtime/internal/runtime.eface") #0
 
-define i64 @"github.com/goplus/llgo/cl/_testgo/closureall.interface{Add(int) int}.Add$bound"(ptr %0, i64 %1) {
+define i64 @"github.com/goplus/llgo/cl/_testgo/closureall.interface{Add(int) int}.Add$bound"(ptr %0, i64 %1) #0 {
 _llgo_0:
   %2 = load { %"github.com/goplus/llgo/runtime/internal/runtime.iface" }, ptr %0, align 8
   %3 = extractvalue { %"github.com/goplus/llgo/runtime/internal/runtime.iface" } %2, 0
@@ -261,16 +261,17 @@ _llgo_0:
   ret i64 %12
 }
 
-declare double @sqrt(double)
+declare double @sqrt(double) #0
 
-declare i32 @abs(i32)
+declare i32 @abs(i32) #0
 
-define linkonce i64 @"__llgo_stub.github.com/goplus/llgo/cl/_testgo/closureall.makeNoFree$1"(ptr %0, i64 %1) {
+define linkonce i64 @"__llgo_stub.github.com/goplus/llgo/cl/_testgo/closureall.makeNoFree$1"(ptr %0, i64 %1) #0 {
 _llgo_0:
   %2 = tail call i64 @"github.com/goplus/llgo/cl/_testgo/closureall.makeNoFree$1"(i64 %1)
   ret i64 %2
 }
 
-declare ptr @"github.com/goplus/llgo/runtime/internal/runtime.IfacePtrData"(%"github.com/goplus/llgo/runtime/internal/runtime.iface")
+declare ptr @"github.com/goplus/llgo/runtime/internal/runtime.IfacePtrData"(%"github.com/goplus/llgo/runtime/internal/runtime.iface") #0
 
-attributes #0 = { nocallback nofree nounwind willreturn memory(argmem: write) }
+attributes #0 = { "frame-pointer"="non-leaf" }
+attributes #1 = { nocallback nofree nounwind willreturn memory(argmem: write) "frame-pointer"="non-leaf" }
diff --git a/cl/_testgo/constconv/out.ll b/cl/_testgo/constconv/out.ll
index 4b4f2b46c6..bb964402ff 100644
--- a/cl/_testgo/constconv/out.ll
+++ b/cl/_testgo/constconv/out.ll
@@ -3,7 +3,7 @@ source_filename = "github.com/goplus/llgo/cl/_testgo/constconv"
 
 @"github.com/goplus/llgo/cl/_testgo/constconv.init$guard" = global i1 false, align 1
 
-define void @"github.com/goplus/llgo/cl/_testgo/constconv.init"() {
+define void @"github.com/goplus/llgo/cl/_testgo/constconv.init"() #0 {
 _llgo_0:
   %0 = load i1, ptr @"github.com/goplus/llgo/cl/_testgo/constconv.init$guard", align 1
   br i1 %0, label %_llgo_2, label %_llgo_1
@@ -16,7 +16,7 @@ _llgo_2:                                          ; preds = %_llgo_1, %_llgo_0
   ret void
 }
 
-define void @"github.com/goplus/llgo/cl/_testgo/constconv.main"() {
+define void @"github.com/goplus/llgo/cl/_testgo/constconv.main"() #0 {
 _llgo_0:
   call void @"github.com/goplus/llgo/runtime/internal/runtime.PrintUint"(i64 1)
   call void @"github.com/goplus/llgo/runtime/internal/runtime.PrintByte"(i8 32)
@@ -29,8 +29,10 @@ _llgo_0:
   ret void
 }
 
-declare void @"github.com/goplus/llgo/runtime/internal/runtime.PrintUint"(i64)
+declare void @"github.com/goplus/llgo/runtime/internal/runtime.PrintUint"(i64) #0
 
-declare void @"github.com/goplus/llgo/runtime/internal/runtime.PrintByte"(i8)
+declare void @"github.com/goplus/llgo/runtime/internal/runtime.PrintByte"(i8) #0
 
-declare void @"github.com/goplus/llgo/runtime/internal/runtime.PrintInt"(i64)
+declare void @"github.com/goplus/llgo/runtime/internal/runtime.PrintInt"(i64) #0
+
+attributes #0 = { "frame-pointer"="non-leaf" }
diff --git a/cl/_testgo/embedunexport-1598/out.ll b/cl/_testgo/embedunexport-1598/out.ll
index 216e6afead..bc80ffa1e4 100644
--- a/cl/_testgo/embedunexport-1598/out.ll
+++ b/cl/_testgo/embedunexport-1598/out.ll
@@ -48,7 +48,7 @@ source_filename = "github.com/goplus/llgo/cl/_testgo/embedunexport-1598"
 @"*github.com/goplus/llgo/cl/_testgo/embedunexport-1598.iface$gGW7PSocDeRlTvk5kuSew8C-TZ8OXQrGkMlj2EUlZ9E" = weak_odr constant %"github.com/goplus/llgo/runtime/abi.PtrType" { %"github.com/goplus/llgo/runtime/abi.Type" { i64 8, i64 8, i32 -927256307, i8 10, i8 8, i8 8, i8 54, { ptr, ptr } { ptr @"__llgo_stub.github.com/goplus/llgo/runtime/internal/runtime.memequalptr", ptr null }, ptr null, %"github.com/goplus/llgo/runtime/internal/runtime.String" { ptr @13, i64 58 }, ptr null }, ptr @"github.com/goplus/llgo/cl/_testgo/embedunexport-1598.iface$gGW7PSocDeRlTvk5kuSew8C-TZ8OXQrGkMlj2EUlZ9E" }, align 8
 @"github.com/goplus/llgo/cl/_testgo/embedunexport-1598.iface$gGW7PSocDeRlTvk5kuSew8C-TZ8OXQrGkMlj2EUlZ9E$imethods" = weak_odr constant [2 x %"github.com/goplus/llgo/runtime/abi.Imethod"] [%"github.com/goplus/llgo/runtime/abi.Imethod" { %"github.com/goplus/llgo/runtime/internal/runtime.String" { ptr @7, i64 4 }, ptr @"_llgo_func$zNDVRsWTIpUPKouNUS805RGX--IV9qVK8B31IZbg5to" }, %"github.com/goplus/llgo/runtime/abi.Imethod" { %"github.com/goplus/llgo/runtime/internal/runtime.String" { ptr @10, i64 57 }, ptr @"_llgo_func$dlTgtqQDYoqfVBQYEBE1Fa3ytcia1pdKaKVOnw8ZjkA" }], align 8
 
-define %"github.com/goplus/llgo/runtime/internal/runtime.String" @"github.com/goplus/llgo/cl/_testgo/embedunexport-1598.Wrapped.Name"(%"github.com/goplus/llgo/cl/_testgo/embedunexport-1598.Wrapped" %0) {
+define %"github.com/goplus/llgo/runtime/internal/runtime.String" @"github.com/goplus/llgo/cl/_testgo/embedunexport-1598.Wrapped.Name"(%"github.com/goplus/llgo/cl/_testgo/embedunexport-1598.Wrapped" %0) #0 {
 _llgo_0:
   %1 = alloca %"github.com/goplus/llgo/cl/_testgo/embedunexport-1598.Wrapped", align 8
   call void @llvm.memset(ptr %1, i8 0, i64 8, i1 false)
@@ -59,7 +59,7 @@ _llgo_0:
   ret %"github.com/goplus/llgo/runtime/internal/runtime.String" %4
 }
 
-define void @"github.com/goplus/llgo/cl/_testgo/embedunexport-1598.Wrapped.setName"(%"github.com/goplus/llgo/cl/_testgo/embedunexport-1598.Wrapped" %0, %"github.com/goplus/llgo/runtime/internal/runtime.String" %1) {
+define void @"github.com/goplus/llgo/cl/_testgo/embedunexport-1598.Wrapped.setName"(%"github.com/goplus/llgo/cl/_testgo/embedunexport-1598.Wrapped" %0, %"github.com/goplus/llgo/runtime/internal/runtime.String" %1) #0 {
 _llgo_0:
   %2 = alloca %"github.com/goplus/llgo/cl/_testgo/embedunexport-1598.Wrapped", align 8
   call void @llvm.memset(ptr %2, i8 0, i64 8, i1 false)
@@ -70,7 +70,7 @@ _llgo_0:
   ret void
 }
 
-define %"github.com/goplus/llgo/runtime/internal/runtime.String" @"github.com/goplus/llgo/cl/_testgo/embedunexport-1598.(*Wrapped).Name"(ptr %0) {
+define %"github.com/goplus/llgo/runtime/internal/runtime.String" @"github.com/goplus/llgo/cl/_testgo/embedunexport-1598.(*Wrapped).Name"(ptr %0) #0 {
 _llgo_0:
   %1 = getelementptr inbounds %"github.com/goplus/llgo/cl/_testgo/embedunexport-1598.Wrapped", ptr %0, i32 0, i32 0
   %2 = load ptr, ptr %1, align 8
@@ -78,7 +78,7 @@ _llgo_0:
   ret %"github.com/goplus/llgo/runtime/internal/runtime.String" %3
 }
 
-define void @"github.com/goplus/llgo/cl/_testgo/embedunexport-1598.(*Wrapped).setName"(ptr %0, %"github.com/goplus/llgo/runtime/internal/runtime.String" %1) {
+define void @"github.com/goplus/llgo/cl/_testgo/embedunexport-1598.(*Wrapped).setName"(ptr %0, %"github.com/goplus/llgo/runtime/internal/runtime.String" %1) #0 {
 _llgo_0:
   %2 = getelementptr inbounds %"github.com/goplus/llgo/cl/_testgo/embedunexport-1598.Wrapped", ptr %0, i32 0, i32 0
   %3 = load ptr, ptr %2, align 8
@@ -86,7 +86,7 @@ _llgo_0:
   ret void
 }
 
-define void @"github.com/goplus/llgo/cl/_testgo/embedunexport-1598.init"() {
+define void @"github.com/goplus/llgo/cl/_testgo/embedunexport-1598.init"() #0 {
 _llgo_0:
   %0 = load i1, ptr @"github.com/goplus/llgo/cl/_testgo/embedunexport-1598.init$guard", align 1
   br i1 %0, label %_llgo_2, label %_llgo_1
@@ -100,7 +100,7 @@ _llgo_2:                                          ; preds = %_llgo_1, %_llgo_0
   ret void
 }
 
-define void @"github.com/goplus/llgo/cl/_testgo/embedunexport-1598.main"() {
+define void @"github.com/goplus/llgo/cl/_testgo/embedunexport-1598.main"() #0 {
 _llgo_0:
   %0 = call ptr @"github.com/goplus/llgo/cl/_testdata/embedunexport.NewBase"(%"github.com/goplus/llgo/runtime/internal/runtime.String" { ptr @0, i64 4 })
   %1 = call ptr @"github.com/goplus/llgo/runtime/internal/runtime.AllocZ"(i64 8)
@@ -125,52 +125,53 @@ _llgo_0:
 }
 
 ; Function Attrs: nocallback nofree nounwind willreturn memory(argmem: write)
-declare void @llvm.memset(ptr nocapture writeonly, i8, i64, i1 immarg) #0
+declare void @llvm.memset(ptr nocapture writeonly, i8, i64, i1 immarg) #1
 
-declare %"github.com/goplus/llgo/runtime/internal/runtime.String" @"github.com/goplus/llgo/cl/_testdata/embedunexport.(*Base).Name"(ptr)
+declare %"github.com/goplus/llgo/runtime/internal/runtime.String" @"github.com/goplus/llgo/cl/_testdata/embedunexport.(*Base).Name"(ptr) #0
 
-declare void @"github.com/goplus/llgo/cl/_testdata/embedunexport.(*Base).setName"(ptr, %"github.com/goplus/llgo/runtime/internal/runtime.String")
+declare void @"github.com/goplus/llgo/cl/_testdata/embedunexport.(*Base).setName"(ptr, %"github.com/goplus/llgo/runtime/internal/runtime.String") #0
 
-declare void @"github.com/goplus/llgo/cl/_testdata/embedunexport.init"()
+declare void @"github.com/goplus/llgo/cl/_testdata/embedunexport.init"() #0
 
-declare ptr @"github.com/goplus/llgo/cl/_testdata/embedunexport.NewBase"(%"github.com/goplus/llgo/runtime/internal/runtime.String")
+declare ptr @"github.com/goplus/llgo/cl/_testdata/embedunexport.NewBase"(%"github.com/goplus/llgo/runtime/internal/runtime.String") #0
 
-declare ptr @"github.com/goplus/llgo/runtime/internal/runtime.AllocZ"(i64)
+declare ptr @"github.com/goplus/llgo/runtime/internal/runtime.AllocZ"(i64) #0
 
-declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.memequalptr"(ptr, ptr)
+declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.memequalptr"(ptr, ptr) #0
 
-define linkonce i1 @"__llgo_stub.github.com/goplus/llgo/runtime/internal/runtime.memequalptr"(ptr %0, ptr %1, ptr %2) {
+define linkonce i1 @"__llgo_stub.github.com/goplus/llgo/runtime/internal/runtime.memequalptr"(ptr %0, ptr %1, ptr %2) #0 {
 _llgo_0:
   %3 = tail call i1 @"github.com/goplus/llgo/runtime/internal/runtime.memequalptr"(ptr %1, ptr %2)
   ret i1 %3
 }
 
-declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.structequal"(ptr, ptr, ptr)
+declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.structequal"(ptr, ptr, ptr) #0
 
-declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.strequal"(ptr, ptr)
+declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.strequal"(ptr, ptr) #0
 
-define linkonce i1 @"__llgo_stub.github.com/goplus/llgo/runtime/internal/runtime.strequal"(ptr %0, ptr %1, ptr %2) {
+define linkonce i1 @"__llgo_stub.github.com/goplus/llgo/runtime/internal/runtime.strequal"(ptr %0, ptr %1, ptr %2) #0 {
 _llgo_0:
   %3 = tail call i1 @"github.com/goplus/llgo/runtime/internal/runtime.strequal"(ptr %1, ptr %2)
   ret i1 %3
 }
 
-declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.interequal"(ptr, ptr)
+declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.interequal"(ptr, ptr) #0
 
-define linkonce i1 @"__llgo_stub.github.com/goplus/llgo/runtime/internal/runtime.interequal"(ptr %0, ptr %1, ptr %2) {
+define linkonce i1 @"__llgo_stub.github.com/goplus/llgo/runtime/internal/runtime.interequal"(ptr %0, ptr %1, ptr %2) #0 {
 _llgo_0:
   %3 = tail call i1 @"github.com/goplus/llgo/runtime/internal/runtime.interequal"(ptr %1, ptr %2)
   ret i1 %3
 }
 
-declare ptr @"github.com/goplus/llgo/runtime/internal/runtime.NewItab"(ptr, ptr)
+declare ptr @"github.com/goplus/llgo/runtime/internal/runtime.NewItab"(ptr, ptr) #0
 
-declare void @"github.com/goplus/llgo/cl/_testdata/embedunexport.Use"(%"github.com/goplus/llgo/runtime/internal/runtime.iface")
+declare void @"github.com/goplus/llgo/cl/_testdata/embedunexport.Use"(%"github.com/goplus/llgo/runtime/internal/runtime.iface") #0
 
-declare ptr @"github.com/goplus/llgo/runtime/internal/runtime.IfacePtrData"(%"github.com/goplus/llgo/runtime/internal/runtime.iface")
+declare ptr @"github.com/goplus/llgo/runtime/internal/runtime.IfacePtrData"(%"github.com/goplus/llgo/runtime/internal/runtime.iface") #0
 
-declare void @"github.com/goplus/llgo/runtime/internal/runtime.PrintString"(%"github.com/goplus/llgo/runtime/internal/runtime.String")
+declare void @"github.com/goplus/llgo/runtime/internal/runtime.PrintString"(%"github.com/goplus/llgo/runtime/internal/runtime.String") #0
 
-declare void @"github.com/goplus/llgo/runtime/internal/runtime.PrintByte"(i8)
+declare void @"github.com/goplus/llgo/runtime/internal/runtime.PrintByte"(i8) #0
 
-attributes #0 = { nocallback nofree nounwind willreturn memory(argmem: write) }
+attributes #0 = { "frame-pointer"="non-leaf" }
+attributes #1 = { nocallback nofree nounwind willreturn memory(argmem: write) "frame-pointer"="non-leaf" }
diff --git a/cl/_testgo/equal/out.ll b/cl/_testgo/equal/out.ll
index 1731342a81..93b0c4b01e 100644
--- a/cl/_testgo/equal/out.ll
+++ b/cl/_testgo/equal/out.ll
@@ -81,7 +81,7 @@ source_filename = "github.com/goplus/llgo/cl/_testgo/equal"
 @"*_llgo_Pointer" = weak_odr constant %"github.com/goplus/llgo/runtime/abi.PtrType" { %"github.com/goplus/llgo/runtime/abi.Type" { i64 8, i64 8, i32 -1134390089, i8 10, i8 8, i8 8, i8 54, { ptr, ptr } { ptr @"__llgo_stub.github.com/goplus/llgo/runtime/internal/runtime.memequalptr", ptr null }, ptr null, %"github.com/goplus/llgo/runtime/internal/runtime.String" { ptr @27, i64 14 }, ptr null }, ptr @_llgo_Pointer }, align 8
 @"github.com/goplus/llgo/cl/_testgo/equal.struct$-d5W1oQEguzs9p8l76MbO7RbmjtJYi8DH1vVvnKnZqQ$fields" = weak_odr constant [4 x %"github.com/goplus/llgo/runtime/abi.StructField"] [%"github.com/goplus/llgo/runtime/abi.StructField" { %"github.com/goplus/llgo/runtime/internal/runtime.String" { ptr @16, i64 7 }, ptr @"[8]_llgo_uint8", i64 0, %"github.com/goplus/llgo/runtime/internal/runtime.String" zeroinitializer, i1 false }, %"github.com/goplus/llgo/runtime/abi.StructField" { %"github.com/goplus/llgo/runtime/internal/runtime.String" { ptr @20, i64 4 }, ptr @"[8]_llgo_int", i64 8, %"github.com/goplus/llgo/runtime/internal/runtime.String" zeroinitializer, i1 false }, %"github.com/goplus/llgo/runtime/abi.StructField" { %"github.com/goplus/llgo/runtime/internal/runtime.String" { ptr @23, i64 5 }, ptr @"[8]_llgo_string", i64 72, %"github.com/goplus/llgo/runtime/internal/runtime.String" zeroinitializer, i1 false }, %"github.com/goplus/llgo/runtime/abi.StructField" { %"github.com/goplus/llgo/runtime/internal/runtime.String" { ptr @26, i64 8 }, ptr @_llgo_Pointer, i64 200, %"github.com/goplus/llgo/runtime/internal/runtime.String" zeroinitializer, i1 false }], align 8
 
-define void @"github.com/goplus/llgo/cl/_testgo/equal.assert"(i1 %0) {
+define void @"github.com/goplus/llgo/cl/_testgo/equal.assert"(i1 %0) #0 {
 _llgo_0:
   br i1 %0, label %_llgo_2, label %_llgo_1
 
@@ -96,7 +96,7 @@ _llgo_2:                                          ; preds = %_llgo_0
   ret void
 }
 
-define void @"github.com/goplus/llgo/cl/_testgo/equal.init"() {
+define void @"github.com/goplus/llgo/cl/_testgo/equal.init"() #0 {
 _llgo_0:
   %0 = load i1, ptr @"github.com/goplus/llgo/cl/_testgo/equal.init$guard", align 1
   br i1 %0, label %_llgo_2, label %_llgo_1
@@ -116,7 +116,7 @@ _llgo_2:                                          ; preds = %_llgo_1, %_llgo_0
   ret void
 }
 
-define void @"github.com/goplus/llgo/cl/_testgo/equal.init#1"() {
+define void @"github.com/goplus/llgo/cl/_testgo/equal.init#1"() #0 {
 _llgo_0:
   %0 = call ptr @"github.com/goplus/llgo/runtime/internal/runtime.AllocZ"(i64 8)
   %1 = call ptr @"github.com/goplus/llgo/runtime/internal/runtime.AllocU"(i64 8)
@@ -140,13 +140,13 @@ _llgo_0:
   ret void
 }
 
-define i64 @"github.com/goplus/llgo/cl/_testgo/equal.init#1$1"(i64 %0, i64 %1) {
+define i64 @"github.com/goplus/llgo/cl/_testgo/equal.init#1$1"(i64 %0, i64 %1) #0 {
 _llgo_0:
   %2 = add i64 %0, %1
   ret i64 %2
 }
 
-define void @"github.com/goplus/llgo/cl/_testgo/equal.init#1$2"(ptr %0) {
+define void @"github.com/goplus/llgo/cl/_testgo/equal.init#1$2"(ptr %0) #0 {
 _llgo_0:
   %1 = load { ptr }, ptr %0, align 8
   %2 = extractvalue { ptr } %1, 0
@@ -156,7 +156,7 @@ _llgo_0:
   ret void
 }
 
-define void @"github.com/goplus/llgo/cl/_testgo/equal.init#2"() {
+define void @"github.com/goplus/llgo/cl/_testgo/equal.init#2"() #0 {
 _llgo_0:
   call void @"github.com/goplus/llgo/cl/_testgo/equal.assert"(i1 true)
   %0 = alloca [3 x i64], align 8
@@ -211,7 +211,7 @@ _llgo_0:
   ret void
 }
 
-define void @"github.com/goplus/llgo/cl/_testgo/equal.init#3"() {
+define void @"github.com/goplus/llgo/cl/_testgo/equal.init#3"() #0 {
 _llgo_0:
   %0 = alloca %"github.com/goplus/llgo/cl/_testgo/equal.T", align 8
   call void @llvm.memset(ptr %0, i8 0, i64 48, i1 false)
@@ -314,7 +314,7 @@ _llgo_0:
   ret void
 }
 
-define void @"github.com/goplus/llgo/cl/_testgo/equal.init#4"() {
+define void @"github.com/goplus/llgo/cl/_testgo/equal.init#4"() #0 {
 _llgo_0:
   %0 = call ptr @"github.com/goplus/llgo/runtime/internal/runtime.AllocZ"(i64 24)
   %1 = getelementptr inbounds i64, ptr %0, i64 0
@@ -344,7 +344,7 @@ _llgo_0:
   ret void
 }
 
-define void @"github.com/goplus/llgo/cl/_testgo/equal.init#5"() {
+define void @"github.com/goplus/llgo/cl/_testgo/equal.init#5"() #0 {
 _llgo_0:
   %0 = call ptr @"github.com/goplus/llgo/runtime/internal/runtime.AllocU"(i64 0)
   store {} zeroinitializer, ptr %0, align 1
@@ -415,7 +415,7 @@ _llgo_0:
   ret void
 }
 
-define void @"github.com/goplus/llgo/cl/_testgo/equal.init#6"() {
+define void @"github.com/goplus/llgo/cl/_testgo/equal.init#6"() #0 {
 _llgo_0:
   %0 = call ptr @"github.com/goplus/llgo/runtime/internal/runtime.NewChan"(i64 8, i64 0)
   %1 = call ptr @"github.com/goplus/llgo/runtime/internal/runtime.NewChan"(i64 8, i64 0)
@@ -428,7 +428,7 @@ _llgo_0:
   ret void
 }
 
-define void @"github.com/goplus/llgo/cl/_testgo/equal.init#7"() {
+define void @"github.com/goplus/llgo/cl/_testgo/equal.init#7"() #0 {
 _llgo_0:
   %0 = call ptr @"github.com/goplus/llgo/runtime/internal/runtime.MakeMap"(ptr @"map[_llgo_int]_llgo_string", i64 0)
   %1 = icmp ne ptr %0, null
@@ -437,91 +437,92 @@ _llgo_0:
   ret void
 }
 
-define void @"github.com/goplus/llgo/cl/_testgo/equal.main"() {
+define void @"github.com/goplus/llgo/cl/_testgo/equal.main"() #0 {
 _llgo_0:
   ret void
 }
 
-define void @"github.com/goplus/llgo/cl/_testgo/equal.test"() {
+define void @"github.com/goplus/llgo/cl/_testgo/equal.test"() #0 {
 _llgo_0:
   ret void
 }
 
-declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.strequal"(ptr, ptr)
+declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.strequal"(ptr, ptr) #0
 
-define linkonce i1 @"__llgo_stub.github.com/goplus/llgo/runtime/internal/runtime.strequal"(ptr %0, ptr %1, ptr %2) {
+define linkonce i1 @"__llgo_stub.github.com/goplus/llgo/runtime/internal/runtime.strequal"(ptr %0, ptr %1, ptr %2) #0 {
 _llgo_0:
   %3 = tail call i1 @"github.com/goplus/llgo/runtime/internal/runtime.strequal"(ptr %1, ptr %2)
   ret i1 %3
 }
 
-declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.memequalptr"(ptr, ptr)
+declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.memequalptr"(ptr, ptr) #0
 
-define linkonce i1 @"__llgo_stub.github.com/goplus/llgo/runtime/internal/runtime.memequalptr"(ptr %0, ptr %1, ptr %2) {
+define linkonce i1 @"__llgo_stub.github.com/goplus/llgo/runtime/internal/runtime.memequalptr"(ptr %0, ptr %1, ptr %2) #0 {
 _llgo_0:
   %3 = tail call i1 @"github.com/goplus/llgo/runtime/internal/runtime.memequalptr"(ptr %1, ptr %2)
   ret i1 %3
 }
 
-declare ptr @"github.com/goplus/llgo/runtime/internal/runtime.AllocU"(i64)
+declare ptr @"github.com/goplus/llgo/runtime/internal/runtime.AllocU"(i64) #0
 
-declare void @"github.com/goplus/llgo/runtime/internal/runtime.Panic"(%"github.com/goplus/llgo/runtime/internal/runtime.eface")
+declare void @"github.com/goplus/llgo/runtime/internal/runtime.Panic"(%"github.com/goplus/llgo/runtime/internal/runtime.eface") #0
 
-declare ptr @"github.com/goplus/llgo/runtime/internal/runtime.AllocZ"(i64)
+declare ptr @"github.com/goplus/llgo/runtime/internal/runtime.AllocZ"(i64) #0
 
-declare void @"github.com/goplus/llgo/runtime/internal/runtime.PrintInt"(i64)
+declare void @"github.com/goplus/llgo/runtime/internal/runtime.PrintInt"(i64) #0
 
-declare void @"github.com/goplus/llgo/runtime/internal/runtime.PrintByte"(i8)
+declare void @"github.com/goplus/llgo/runtime/internal/runtime.PrintByte"(i8) #0
 
 ; Function Attrs: nocallback nofree nounwind willreturn memory(argmem: write)
-declare void @llvm.memset(ptr nocapture writeonly, i8, i64, i1 immarg) #0
+declare void @llvm.memset(ptr nocapture writeonly, i8, i64, i1 immarg) #1
 
-declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.memequal64"(ptr, ptr)
+declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.memequal64"(ptr, ptr) #0
 
-define linkonce i1 @"__llgo_stub.github.com/goplus/llgo/runtime/internal/runtime.memequal64"(ptr %0, ptr %1, ptr %2) {
+define linkonce i1 @"__llgo_stub.github.com/goplus/llgo/runtime/internal/runtime.memequal64"(ptr %0, ptr %1, ptr %2) #0 {
 _llgo_0:
   %3 = tail call i1 @"github.com/goplus/llgo/runtime/internal/runtime.memequal64"(ptr %1, ptr %2)
   ret i1 %3
 }
 
-declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.StringEqual"(%"github.com/goplus/llgo/runtime/internal/runtime.String", %"github.com/goplus/llgo/runtime/internal/runtime.String")
+declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.StringEqual"(%"github.com/goplus/llgo/runtime/internal/runtime.String", %"github.com/goplus/llgo/runtime/internal/runtime.String") #0
 
-declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.EfaceEqual"(%"github.com/goplus/llgo/runtime/internal/runtime.eface", %"github.com/goplus/llgo/runtime/internal/runtime.eface")
+declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.EfaceEqual"(%"github.com/goplus/llgo/runtime/internal/runtime.eface", %"github.com/goplus/llgo/runtime/internal/runtime.eface") #0
 
-declare %"github.com/goplus/llgo/runtime/internal/runtime.Slice" @"github.com/goplus/llgo/runtime/internal/runtime.NewSlice3"(ptr, i64, i64, i64, i64, i64)
+declare %"github.com/goplus/llgo/runtime/internal/runtime.Slice" @"github.com/goplus/llgo/runtime/internal/runtime.NewSlice3"(ptr, i64, i64, i64, i64, i64) #0
 
-declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.memequal0"(ptr, ptr)
+declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.memequal0"(ptr, ptr) #0
 
-define linkonce i1 @"__llgo_stub.github.com/goplus/llgo/runtime/internal/runtime.memequal0"(ptr %0, ptr %1, ptr %2) {
+define linkonce i1 @"__llgo_stub.github.com/goplus/llgo/runtime/internal/runtime.memequal0"(ptr %0, ptr %1, ptr %2) #0 {
 _llgo_0:
   %3 = tail call i1 @"github.com/goplus/llgo/runtime/internal/runtime.memequal0"(ptr %1, ptr %2)
   ret i1 %3
 }
 
-declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.structequal"(ptr, ptr, ptr)
+declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.structequal"(ptr, ptr, ptr) #0
 
-declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.nilinterequal"(ptr, ptr)
+declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.nilinterequal"(ptr, ptr) #0
 
-define linkonce i1 @"__llgo_stub.github.com/goplus/llgo/runtime/internal/runtime.nilinterequal"(ptr %0, ptr %1, ptr %2) {
+define linkonce i1 @"__llgo_stub.github.com/goplus/llgo/runtime/internal/runtime.nilinterequal"(ptr %0, ptr %1, ptr %2) #0 {
 _llgo_0:
   %3 = tail call i1 @"github.com/goplus/llgo/runtime/internal/runtime.nilinterequal"(ptr %1, ptr %2)
   ret i1 %3
 }
 
-declare ptr @"github.com/goplus/llgo/runtime/internal/runtime.NewChan"(i64, i64)
+declare ptr @"github.com/goplus/llgo/runtime/internal/runtime.NewChan"(i64, i64) #0
 
-declare i64 @"github.com/goplus/llgo/runtime/internal/runtime.typehash"(ptr, ptr, i64)
+declare i64 @"github.com/goplus/llgo/runtime/internal/runtime.typehash"(ptr, ptr, i64) #0
 
-declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.arrayequal"(ptr, ptr, ptr)
+declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.arrayequal"(ptr, ptr, ptr) #0
 
-declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.memequal8"(ptr, ptr)
+declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.memequal8"(ptr, ptr) #0
 
-define linkonce i1 @"__llgo_stub.github.com/goplus/llgo/runtime/internal/runtime.memequal8"(ptr %0, ptr %1, ptr %2) {
+define linkonce i1 @"__llgo_stub.github.com/goplus/llgo/runtime/internal/runtime.memequal8"(ptr %0, ptr %1, ptr %2) #0 {
 _llgo_0:
   %3 = tail call i1 @"github.com/goplus/llgo/runtime/internal/runtime.memequal8"(ptr %1, ptr %2)
   ret i1 %3
 }
 
-declare ptr @"github.com/goplus/llgo/runtime/internal/runtime.MakeMap"(ptr, i64)
+declare ptr @"github.com/goplus/llgo/runtime/internal/runtime.MakeMap"(ptr, i64) #0
 
-attributes #0 = { nocallback nofree nounwind willreturn memory(argmem: write) }
+attributes #0 = { "frame-pointer"="non-leaf" }
+attributes #1 = { nocallback nofree nounwind willreturn memory(argmem: write) "frame-pointer"="non-leaf" }
diff --git a/cl/_testgo/errors/out.ll b/cl/_testgo/errors/out.ll
index fc7a97faea..f609dd118c 100644
--- a/cl/_testgo/errors/out.ll
+++ b/cl/_testgo/errors/out.ll
@@ -36,7 +36,7 @@ source_filename = "github.com/goplus/llgo/cl/_testgo/errors"
 @"_llgo_iface$Fh8eUJ-Gw4e6TYuajcFIOSCuqSPKAt5nS4ow7xeGXEU$imethods" = weak_odr constant [1 x %"github.com/goplus/llgo/runtime/abi.Imethod"] [%"github.com/goplus/llgo/runtime/abi.Imethod" { %"github.com/goplus/llgo/runtime/internal/runtime.String" { ptr @4, i64 5 }, ptr @"_llgo_func$zNDVRsWTIpUPKouNUS805RGX--IV9qVK8B31IZbg5to" }], align 8
 @7 = private unnamed_addr constant [8 x i8] c"an error", align 1
 
-define %"github.com/goplus/llgo/runtime/internal/runtime.iface" @"github.com/goplus/llgo/cl/_testgo/errors.New"(%"github.com/goplus/llgo/runtime/internal/runtime.String" %0) {
+define %"github.com/goplus/llgo/runtime/internal/runtime.iface" @"github.com/goplus/llgo/cl/_testgo/errors.New"(%"github.com/goplus/llgo/runtime/internal/runtime.String" %0) #0 {
 _llgo_0:
   %1 = call ptr @"github.com/goplus/llgo/runtime/internal/runtime.AllocZ"(i64 16)
   %2 = getelementptr inbounds %"github.com/goplus/llgo/cl/_testgo/errors.errorString", ptr %1, i32 0, i32 0
@@ -47,14 +47,14 @@ _llgo_0:
   ret %"github.com/goplus/llgo/runtime/internal/runtime.iface" %5
 }
 
-define %"github.com/goplus/llgo/runtime/internal/runtime.String" @"github.com/goplus/llgo/cl/_testgo/errors.(*errorString).Error"(ptr %0) {
+define %"github.com/goplus/llgo/runtime/internal/runtime.String" @"github.com/goplus/llgo/cl/_testgo/errors.(*errorString).Error"(ptr %0) #0 {
 _llgo_0:
   %1 = getelementptr inbounds %"github.com/goplus/llgo/cl/_testgo/errors.errorString", ptr %0, i32 0, i32 0
   %2 = load %"github.com/goplus/llgo/runtime/internal/runtime.String", ptr %1, align 8
   ret %"github.com/goplus/llgo/runtime/internal/runtime.String" %2
 }
 
-define void @"github.com/goplus/llgo/cl/_testgo/errors.init"() {
+define void @"github.com/goplus/llgo/cl/_testgo/errors.init"() #0 {
 _llgo_0:
   %0 = load i1, ptr @"github.com/goplus/llgo/cl/_testgo/errors.init$guard", align 1
   br i1 %0, label %_llgo_2, label %_llgo_1
@@ -67,7 +67,7 @@ _llgo_2:                                          ; preds = %_llgo_1, %_llgo_0
   ret void
 }
 
-define void @"github.com/goplus/llgo/cl/_testgo/errors.main"() {
+define void @"github.com/goplus/llgo/cl/_testgo/errors.main"() #0 {
 _llgo_0:
   %0 = call %"github.com/goplus/llgo/runtime/internal/runtime.iface" @"github.com/goplus/llgo/cl/_testgo/errors.New"(%"github.com/goplus/llgo/runtime/internal/runtime.String" { ptr @7, i64 8 })
   call void @"github.com/goplus/llgo/runtime/internal/runtime.PrintIface"(%"github.com/goplus/llgo/runtime/internal/runtime.iface" %0)
@@ -86,40 +86,42 @@ _llgo_0:
   ret void
 }
 
-declare ptr @"github.com/goplus/llgo/runtime/internal/runtime.AllocZ"(i64)
+declare ptr @"github.com/goplus/llgo/runtime/internal/runtime.AllocZ"(i64) #0
 
-declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.memequalptr"(ptr, ptr)
+declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.memequalptr"(ptr, ptr) #0
 
-define linkonce i1 @"__llgo_stub.github.com/goplus/llgo/runtime/internal/runtime.memequalptr"(ptr %0, ptr %1, ptr %2) {
+define linkonce i1 @"__llgo_stub.github.com/goplus/llgo/runtime/internal/runtime.memequalptr"(ptr %0, ptr %1, ptr %2) #0 {
 _llgo_0:
   %3 = tail call i1 @"github.com/goplus/llgo/runtime/internal/runtime.memequalptr"(ptr %1, ptr %2)
   ret i1 %3
 }
 
-declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.structequal"(ptr, ptr, ptr)
+declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.structequal"(ptr, ptr, ptr) #0
 
-declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.strequal"(ptr, ptr)
+declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.strequal"(ptr, ptr) #0
 
-define linkonce i1 @"__llgo_stub.github.com/goplus/llgo/runtime/internal/runtime.strequal"(ptr %0, ptr %1, ptr %2) {
+define linkonce i1 @"__llgo_stub.github.com/goplus/llgo/runtime/internal/runtime.strequal"(ptr %0, ptr %1, ptr %2) #0 {
 _llgo_0:
   %3 = tail call i1 @"github.com/goplus/llgo/runtime/internal/runtime.strequal"(ptr %1, ptr %2)
   ret i1 %3
 }
 
-declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.interequal"(ptr, ptr)
+declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.interequal"(ptr, ptr) #0
 
-define linkonce i1 @"__llgo_stub.github.com/goplus/llgo/runtime/internal/runtime.interequal"(ptr %0, ptr %1, ptr %2) {
+define linkonce i1 @"__llgo_stub.github.com/goplus/llgo/runtime/internal/runtime.interequal"(ptr %0, ptr %1, ptr %2) #0 {
 _llgo_0:
   %3 = tail call i1 @"github.com/goplus/llgo/runtime/internal/runtime.interequal"(ptr %1, ptr %2)
   ret i1 %3
 }
 
-declare ptr @"github.com/goplus/llgo/runtime/internal/runtime.NewItab"(ptr, ptr)
+declare ptr @"github.com/goplus/llgo/runtime/internal/runtime.NewItab"(ptr, ptr) #0
 
-declare void @"github.com/goplus/llgo/runtime/internal/runtime.PrintIface"(%"github.com/goplus/llgo/runtime/internal/runtime.iface")
+declare void @"github.com/goplus/llgo/runtime/internal/runtime.PrintIface"(%"github.com/goplus/llgo/runtime/internal/runtime.iface") #0
 
-declare void @"github.com/goplus/llgo/runtime/internal/runtime.PrintByte"(i8)
+declare void @"github.com/goplus/llgo/runtime/internal/runtime.PrintByte"(i8) #0
 
-declare ptr @"github.com/goplus/llgo/runtime/internal/runtime.IfacePtrData"(%"github.com/goplus/llgo/runtime/internal/runtime.iface")
+declare ptr @"github.com/goplus/llgo/runtime/internal/runtime.IfacePtrData"(%"github.com/goplus/llgo/runtime/internal/runtime.iface") #0
 
-declare void @"github.com/goplus/llgo/runtime/internal/runtime.PrintString"(%"github.com/goplus/llgo/runtime/internal/runtime.String")
+declare void @"github.com/goplus/llgo/runtime/internal/runtime.PrintString"(%"github.com/goplus/llgo/runtime/internal/runtime.String") #0
+
+attributes #0 = { "frame-pointer"="non-leaf" }
diff --git a/cl/_testgo/goroutine/out.ll b/cl/_testgo/goroutine/out.ll
index f47ac2c359..de751a94c8 100644
--- a/cl/_testgo/goroutine/out.ll
+++ b/cl/_testgo/goroutine/out.ll
@@ -8,7 +8,7 @@ source_filename = "github.com/goplus/llgo/cl/_testgo/goroutine"
 @1 = private unnamed_addr constant [16 x i8] c"Hello, goroutine", align 1
 @2 = private unnamed_addr constant [1 x i8] c".", align 1
 
-define void @"github.com/goplus/llgo/cl/_testgo/goroutine.init"() {
+define void @"github.com/goplus/llgo/cl/_testgo/goroutine.init"() #0 {
 _llgo_0:
   %0 = load i1, ptr @"github.com/goplus/llgo/cl/_testgo/goroutine.init$guard", align 1
   br i1 %0, label %_llgo_2, label %_llgo_1
@@ -21,7 +21,7 @@ _llgo_2:                                          ; preds = %_llgo_1, %_llgo_0
   ret void
 }
 
-define void @"github.com/goplus/llgo/cl/_testgo/goroutine.main"() {
+define void @"github.com/goplus/llgo/cl/_testgo/goroutine.main"() #0 {
 _llgo_0:
   %0 = call ptr @"github.com/goplus/llgo/runtime/internal/runtime.AllocZ"(i64 1)
   store i1 false, ptr %0, align 1
@@ -55,7 +55,7 @@ _llgo_3:                                          ; preds = %_llgo_1, %_llgo_0
   br i1 %13, label %_llgo_2, label %_llgo_1
 }
 
-define void @"github.com/goplus/llgo/cl/_testgo/goroutine.main$1"(ptr %0, %"github.com/goplus/llgo/runtime/internal/runtime.String" %1) {
+define void @"github.com/goplus/llgo/cl/_testgo/goroutine.main$1"(ptr %0, %"github.com/goplus/llgo/runtime/internal/runtime.String" %1) #0 {
 _llgo_0:
   call void @"github.com/goplus/llgo/runtime/internal/runtime.PrintString"(%"github.com/goplus/llgo/runtime/internal/runtime.String" %1)
   call void @"github.com/goplus/llgo/runtime/internal/runtime.PrintByte"(i8 10)
@@ -65,11 +65,11 @@ _llgo_0:
   ret void
 }
 
-declare ptr @"github.com/goplus/llgo/runtime/internal/runtime.AllocZ"(i64)
+declare ptr @"github.com/goplus/llgo/runtime/internal/runtime.AllocZ"(i64) #0
 
-declare ptr @malloc(i64)
+declare ptr @malloc(i64) #0
 
-define ptr @"github.com/goplus/llgo/cl/_testgo/goroutine._llgo_routine$1"(ptr %0) {
+define ptr @"github.com/goplus/llgo/cl/_testgo/goroutine._llgo_routine$1"(ptr %0) #0 {
 _llgo_0:
   %1 = load { %"github.com/goplus/llgo/runtime/internal/runtime.String" }, ptr %0, align 8
   %2 = extractvalue { %"github.com/goplus/llgo/runtime/internal/runtime.String" } %1, 0
@@ -79,17 +79,17 @@ _llgo_0:
   ret ptr null
 }
 
-declare void @"github.com/goplus/llgo/runtime/internal/runtime.PrintString"(%"github.com/goplus/llgo/runtime/internal/runtime.String")
+declare void @"github.com/goplus/llgo/runtime/internal/runtime.PrintString"(%"github.com/goplus/llgo/runtime/internal/runtime.String") #0
 
-declare void @"github.com/goplus/llgo/runtime/internal/runtime.PrintByte"(i8)
+declare void @"github.com/goplus/llgo/runtime/internal/runtime.PrintByte"(i8) #0
 
-declare void @free(ptr)
+declare void @free(ptr) #0
 
-declare i32 @"github.com/goplus/llgo/runtime/internal/runtime.CreateThread"(ptr, ptr, ptr, ptr)
+declare i32 @"github.com/goplus/llgo/runtime/internal/runtime.CreateThread"(ptr, ptr, ptr, ptr) #0
 
-declare ptr @"github.com/goplus/llgo/runtime/internal/runtime.AllocU"(i64)
+declare ptr @"github.com/goplus/llgo/runtime/internal/runtime.AllocU"(i64) #0
 
-define ptr @"github.com/goplus/llgo/cl/_testgo/goroutine._llgo_routine$2"(ptr %0) {
+define ptr @"github.com/goplus/llgo/cl/_testgo/goroutine._llgo_routine$2"(ptr %0) #0 {
 _llgo_0:
   %1 = load { { ptr, ptr }, %"github.com/goplus/llgo/runtime/internal/runtime.String" }, ptr %0, align 8
   %2 = extractvalue { { ptr, ptr }, %"github.com/goplus/llgo/runtime/internal/runtime.String" } %1, 0
@@ -100,3 +100,5 @@ _llgo_0:
   call void @free(ptr %0)
   ret ptr null
 }
+
+attributes #0 = { "frame-pointer"="non-leaf" }
diff --git a/cl/_testgo/ifaceconv/out.ll b/cl/_testgo/ifaceconv/out.ll
index 4a8243f6e5..335fd56062 100644
--- a/cl/_testgo/ifaceconv/out.ll
+++ b/cl/_testgo/ifaceconv/out.ll
@@ -64,43 +64,43 @@ source_filename = "github.com/goplus/llgo/cl/_testgo/ifaceconv"
 @24 = private unnamed_addr constant [17 x i8] c"C1 I1(i1) was nil", align 1
 @25 = private unnamed_addr constant [4 x i8] c"pass", align 1
 
-define void @"github.com/goplus/llgo/cl/_testgo/ifaceconv.C1.f"(%"github.com/goplus/llgo/cl/_testgo/ifaceconv.C1" %0) {
+define void @"github.com/goplus/llgo/cl/_testgo/ifaceconv.C1.f"(%"github.com/goplus/llgo/cl/_testgo/ifaceconv.C1" %0) #0 {
 _llgo_0:
   ret void
 }
 
-define void @"github.com/goplus/llgo/cl/_testgo/ifaceconv.(*C1).f"(ptr %0) {
+define void @"github.com/goplus/llgo/cl/_testgo/ifaceconv.(*C1).f"(ptr %0) #0 {
 _llgo_0:
   %1 = load %"github.com/goplus/llgo/cl/_testgo/ifaceconv.C1", ptr %0, align 1
   call void @"github.com/goplus/llgo/cl/_testgo/ifaceconv.C1.f"(%"github.com/goplus/llgo/cl/_testgo/ifaceconv.C1" %1)
   ret void
 }
 
-define void @"github.com/goplus/llgo/cl/_testgo/ifaceconv.C2.f"(%"github.com/goplus/llgo/cl/_testgo/ifaceconv.C2" %0) {
+define void @"github.com/goplus/llgo/cl/_testgo/ifaceconv.C2.f"(%"github.com/goplus/llgo/cl/_testgo/ifaceconv.C2" %0) #0 {
 _llgo_0:
   ret void
 }
 
-define void @"github.com/goplus/llgo/cl/_testgo/ifaceconv.C2.g"(%"github.com/goplus/llgo/cl/_testgo/ifaceconv.C2" %0) {
+define void @"github.com/goplus/llgo/cl/_testgo/ifaceconv.C2.g"(%"github.com/goplus/llgo/cl/_testgo/ifaceconv.C2" %0) #0 {
 _llgo_0:
   ret void
 }
 
-define void @"github.com/goplus/llgo/cl/_testgo/ifaceconv.(*C2).f"(ptr %0) {
+define void @"github.com/goplus/llgo/cl/_testgo/ifaceconv.(*C2).f"(ptr %0) #0 {
 _llgo_0:
   %1 = load %"github.com/goplus/llgo/cl/_testgo/ifaceconv.C2", ptr %0, align 1
   call void @"github.com/goplus/llgo/cl/_testgo/ifaceconv.C2.f"(%"github.com/goplus/llgo/cl/_testgo/ifaceconv.C2" %1)
   ret void
 }
 
-define void @"github.com/goplus/llgo/cl/_testgo/ifaceconv.(*C2).g"(ptr %0) {
+define void @"github.com/goplus/llgo/cl/_testgo/ifaceconv.(*C2).g"(ptr %0) #0 {
 _llgo_0:
   %1 = load %"github.com/goplus/llgo/cl/_testgo/ifaceconv.C2", ptr %0, align 1
   call void @"github.com/goplus/llgo/cl/_testgo/ifaceconv.C2.g"(%"github.com/goplus/llgo/cl/_testgo/ifaceconv.C2" %1)
   ret void
 }
 
-define void @"github.com/goplus/llgo/cl/_testgo/ifaceconv.init"() {
+define void @"github.com/goplus/llgo/cl/_testgo/ifaceconv.init"() #0 {
 _llgo_0:
   %0 = load i1, ptr @"github.com/goplus/llgo/cl/_testgo/ifaceconv.init$guard", align 1
   br i1 %0, label %_llgo_2, label %_llgo_1
@@ -113,7 +113,7 @@ _llgo_2:                                          ; preds = %_llgo_1, %_llgo_0
   ret void
 }
 
-define void @"github.com/goplus/llgo/cl/_testgo/ifaceconv.main"() {
+define void @"github.com/goplus/llgo/cl/_testgo/ifaceconv.main"() #0 {
 _llgo_0:
   br i1 false, label %_llgo_23, label %_llgo_24
 
@@ -416,58 +416,60 @@ _llgo_49:                                         ; preds = %_llgo_48, %_llgo_47
   br i1 %123, label %_llgo_18, label %_llgo_17
 }
 
-declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.nilinterequal"(ptr, ptr)
+declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.nilinterequal"(ptr, ptr) #0
 
-define linkonce i1 @"__llgo_stub.github.com/goplus/llgo/runtime/internal/runtime.nilinterequal"(ptr %0, ptr %1, ptr %2) {
+define linkonce i1 @"__llgo_stub.github.com/goplus/llgo/runtime/internal/runtime.nilinterequal"(ptr %0, ptr %1, ptr %2) #0 {
 _llgo_0:
   %3 = tail call i1 @"github.com/goplus/llgo/runtime/internal/runtime.nilinterequal"(ptr %1, ptr %2)
   ret i1 %3
 }
 
-declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.memequalptr"(ptr, ptr)
+declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.memequalptr"(ptr, ptr) #0
 
-define linkonce i1 @"__llgo_stub.github.com/goplus/llgo/runtime/internal/runtime.memequalptr"(ptr %0, ptr %1, ptr %2) {
+define linkonce i1 @"__llgo_stub.github.com/goplus/llgo/runtime/internal/runtime.memequalptr"(ptr %0, ptr %1, ptr %2) #0 {
 _llgo_0:
   %3 = tail call i1 @"github.com/goplus/llgo/runtime/internal/runtime.memequalptr"(ptr %1, ptr %2)
   ret i1 %3
 }
 
-declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.strequal"(ptr, ptr)
+declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.strequal"(ptr, ptr) #0
 
-define linkonce i1 @"__llgo_stub.github.com/goplus/llgo/runtime/internal/runtime.strequal"(ptr %0, ptr %1, ptr %2) {
+define linkonce i1 @"__llgo_stub.github.com/goplus/llgo/runtime/internal/runtime.strequal"(ptr %0, ptr %1, ptr %2) #0 {
 _llgo_0:
   %3 = tail call i1 @"github.com/goplus/llgo/runtime/internal/runtime.strequal"(ptr %1, ptr %2)
   ret i1 %3
 }
 
-declare ptr @"github.com/goplus/llgo/runtime/internal/runtime.AllocU"(i64)
+declare ptr @"github.com/goplus/llgo/runtime/internal/runtime.AllocU"(i64) #0
 
-declare void @"github.com/goplus/llgo/runtime/internal/runtime.Panic"(%"github.com/goplus/llgo/runtime/internal/runtime.eface")
+declare void @"github.com/goplus/llgo/runtime/internal/runtime.Panic"(%"github.com/goplus/llgo/runtime/internal/runtime.eface") #0
 
-declare ptr @"github.com/goplus/llgo/runtime/internal/runtime.IfaceType"(%"github.com/goplus/llgo/runtime/internal/runtime.iface")
+declare ptr @"github.com/goplus/llgo/runtime/internal/runtime.IfaceType"(%"github.com/goplus/llgo/runtime/internal/runtime.iface") #0
 
-declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.interequal"(ptr, ptr)
+declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.interequal"(ptr, ptr) #0
 
-define linkonce i1 @"__llgo_stub.github.com/goplus/llgo/runtime/internal/runtime.interequal"(ptr %0, ptr %1, ptr %2) {
+define linkonce i1 @"__llgo_stub.github.com/goplus/llgo/runtime/internal/runtime.interequal"(ptr %0, ptr %1, ptr %2) #0 {
 _llgo_0:
   %3 = tail call i1 @"github.com/goplus/llgo/runtime/internal/runtime.interequal"(ptr %1, ptr %2)
   ret i1 %3
 }
 
-declare ptr @"github.com/goplus/llgo/runtime/internal/runtime.NewItab"(ptr, ptr)
+declare ptr @"github.com/goplus/llgo/runtime/internal/runtime.NewItab"(ptr, ptr) #0
 
-declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.memequal0"(ptr, ptr)
+declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.memequal0"(ptr, ptr) #0
 
-define linkonce i1 @"__llgo_stub.github.com/goplus/llgo/runtime/internal/runtime.memequal0"(ptr %0, ptr %1, ptr %2) {
+define linkonce i1 @"__llgo_stub.github.com/goplus/llgo/runtime/internal/runtime.memequal0"(ptr %0, ptr %1, ptr %2) #0 {
 _llgo_0:
   %3 = tail call i1 @"github.com/goplus/llgo/runtime/internal/runtime.memequal0"(ptr %1, ptr %2)
   ret i1 %3
 }
 
-declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.Implements"(ptr, ptr)
+declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.Implements"(ptr, ptr) #0
 
-declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.EfaceEqual"(%"github.com/goplus/llgo/runtime/internal/runtime.eface", %"github.com/goplus/llgo/runtime/internal/runtime.eface")
+declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.EfaceEqual"(%"github.com/goplus/llgo/runtime/internal/runtime.eface", %"github.com/goplus/llgo/runtime/internal/runtime.eface") #0
 
-declare void @"github.com/goplus/llgo/runtime/internal/runtime.PrintString"(%"github.com/goplus/llgo/runtime/internal/runtime.String")
+declare void @"github.com/goplus/llgo/runtime/internal/runtime.PrintString"(%"github.com/goplus/llgo/runtime/internal/runtime.String") #0
 
-declare void @"github.com/goplus/llgo/runtime/internal/runtime.PrintByte"(i8)
+declare void @"github.com/goplus/llgo/runtime/internal/runtime.PrintByte"(i8) #0
+
+attributes #0 = { "frame-pointer"="non-leaf" }
diff --git a/cl/_testgo/ifaceprom/out.ll b/cl/_testgo/ifaceprom/out.ll
index a001d6e3a3..afb483ef5d 100644
--- a/cl/_testgo/ifaceprom/out.ll
+++ b/cl/_testgo/ifaceprom/out.ll
@@ -49,7 +49,7 @@ source_filename = "github.com/goplus/llgo/cl/_testgo/ifaceprom"
 @12 = private unnamed_addr constant [116 x i8] c"type assertion github.com/goplus/llgo/cl/_testgo/ifaceprom.I -> github.com/goplus/llgo/cl/_testgo/ifaceprom.I failed", align 1
 @13 = private unnamed_addr constant [4 x i8] c"pass", align 1
 
-define i64 @"github.com/goplus/llgo/cl/_testgo/ifaceprom.S.one"(%"github.com/goplus/llgo/cl/_testgo/ifaceprom.S" %0) {
+define i64 @"github.com/goplus/llgo/cl/_testgo/ifaceprom.S.one"(%"github.com/goplus/llgo/cl/_testgo/ifaceprom.S" %0) #0 {
 _llgo_0:
   %1 = alloca %"github.com/goplus/llgo/cl/_testgo/ifaceprom.S", align 8
   call void @llvm.memset(ptr %1, i8 0, i64 16, i1 false)
@@ -68,7 +68,7 @@ _llgo_0:
   ret i64 %12
 }
 
-define %"github.com/goplus/llgo/runtime/internal/runtime.String" @"github.com/goplus/llgo/cl/_testgo/ifaceprom.S.two"(%"github.com/goplus/llgo/cl/_testgo/ifaceprom.S" %0) {
+define %"github.com/goplus/llgo/runtime/internal/runtime.String" @"github.com/goplus/llgo/cl/_testgo/ifaceprom.S.two"(%"github.com/goplus/llgo/cl/_testgo/ifaceprom.S" %0) #0 {
 _llgo_0:
   %1 = alloca %"github.com/goplus/llgo/cl/_testgo/ifaceprom.S", align 8
   call void @llvm.memset(ptr %1, i8 0, i64 16, i1 false)
@@ -87,7 +87,7 @@ _llgo_0:
   ret %"github.com/goplus/llgo/runtime/internal/runtime.String" %12
 }
 
-define i64 @"github.com/goplus/llgo/cl/_testgo/ifaceprom.(*S).one"(ptr %0) {
+define i64 @"github.com/goplus/llgo/cl/_testgo/ifaceprom.(*S).one"(ptr %0) #0 {
 _llgo_0:
   %1 = getelementptr inbounds %"github.com/goplus/llgo/cl/_testgo/ifaceprom.S", ptr %0, i32 0, i32 0
   %2 = load %"github.com/goplus/llgo/runtime/internal/runtime.iface", ptr %1, align 8
@@ -103,7 +103,7 @@ _llgo_0:
   ret i64 %11
 }
 
-define %"github.com/goplus/llgo/runtime/internal/runtime.String" @"github.com/goplus/llgo/cl/_testgo/ifaceprom.(*S).two"(ptr %0) {
+define %"github.com/goplus/llgo/runtime/internal/runtime.String" @"github.com/goplus/llgo/cl/_testgo/ifaceprom.(*S).two"(ptr %0) #0 {
 _llgo_0:
   %1 = getelementptr inbounds %"github.com/goplus/llgo/cl/_testgo/ifaceprom.S", ptr %0, i32 0, i32 0
   %2 = load %"github.com/goplus/llgo/runtime/internal/runtime.iface", ptr %1, align 8
@@ -119,31 +119,31 @@ _llgo_0:
   ret %"github.com/goplus/llgo/runtime/internal/runtime.String" %11
 }
 
-define i64 @"github.com/goplus/llgo/cl/_testgo/ifaceprom.impl.one"(%"github.com/goplus/llgo/cl/_testgo/ifaceprom.impl" %0) {
+define i64 @"github.com/goplus/llgo/cl/_testgo/ifaceprom.impl.one"(%"github.com/goplus/llgo/cl/_testgo/ifaceprom.impl" %0) #0 {
 _llgo_0:
   ret i64 1
 }
 
-define %"github.com/goplus/llgo/runtime/internal/runtime.String" @"github.com/goplus/llgo/cl/_testgo/ifaceprom.impl.two"(%"github.com/goplus/llgo/cl/_testgo/ifaceprom.impl" %0) {
+define %"github.com/goplus/llgo/runtime/internal/runtime.String" @"github.com/goplus/llgo/cl/_testgo/ifaceprom.impl.two"(%"github.com/goplus/llgo/cl/_testgo/ifaceprom.impl" %0) #0 {
 _llgo_0:
   ret %"github.com/goplus/llgo/runtime/internal/runtime.String" { ptr @0, i64 3 }
 }
 
-define i64 @"github.com/goplus/llgo/cl/_testgo/ifaceprom.(*impl).one"(ptr %0) {
+define i64 @"github.com/goplus/llgo/cl/_testgo/ifaceprom.(*impl).one"(ptr %0) #0 {
 _llgo_0:
   %1 = load %"github.com/goplus/llgo/cl/_testgo/ifaceprom.impl", ptr %0, align 1
   %2 = call i64 @"github.com/goplus/llgo/cl/_testgo/ifaceprom.impl.one"(%"github.com/goplus/llgo/cl/_testgo/ifaceprom.impl" %1)
   ret i64 %2
 }
 
-define %"github.com/goplus/llgo/runtime/internal/runtime.String" @"github.com/goplus/llgo/cl/_testgo/ifaceprom.(*impl).two"(ptr %0) {
+define %"github.com/goplus/llgo/runtime/internal/runtime.String" @"github.com/goplus/llgo/cl/_testgo/ifaceprom.(*impl).two"(ptr %0) #0 {
 _llgo_0:
   %1 = load %"github.com/goplus/llgo/cl/_testgo/ifaceprom.impl", ptr %0, align 1
   %2 = call %"github.com/goplus/llgo/runtime/internal/runtime.String" @"github.com/goplus/llgo/cl/_testgo/ifaceprom.impl.two"(%"github.com/goplus/llgo/cl/_testgo/ifaceprom.impl" %1)
   ret %"github.com/goplus/llgo/runtime/internal/runtime.String" %2
 }
 
-define void @"github.com/goplus/llgo/cl/_testgo/ifaceprom.init"() {
+define void @"github.com/goplus/llgo/cl/_testgo/ifaceprom.init"() #0 {
 _llgo_0:
   %0 = load i1, ptr @"github.com/goplus/llgo/cl/_testgo/ifaceprom.init$guard", align 1
   br i1 %0, label %_llgo_2, label %_llgo_1
@@ -156,7 +156,7 @@ _llgo_2:                                          ; preds = %_llgo_1, %_llgo_0
   ret void
 }
 
-define void @"github.com/goplus/llgo/cl/_testgo/ifaceprom.main"() {
+define void @"github.com/goplus/llgo/cl/_testgo/ifaceprom.main"() #0 {
 _llgo_0:
   %0 = alloca %"github.com/goplus/llgo/cl/_testgo/ifaceprom.S", align 8
   call void @llvm.memset(ptr %0, i8 0, i64 16, i1 false)
@@ -389,59 +389,59 @@ _llgo_24:                                         ; preds = %_llgo_14
 }
 
 ; Function Attrs: nocallback nofree nounwind willreturn memory(argmem: write)
-declare void @llvm.memset(ptr nocapture writeonly, i8, i64, i1 immarg) #0
+declare void @llvm.memset(ptr nocapture writeonly, i8, i64, i1 immarg) #1
 
-declare ptr @"github.com/goplus/llgo/runtime/internal/runtime.IfacePtrData"(%"github.com/goplus/llgo/runtime/internal/runtime.iface")
+declare ptr @"github.com/goplus/llgo/runtime/internal/runtime.IfacePtrData"(%"github.com/goplus/llgo/runtime/internal/runtime.iface") #0
 
-declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.memequal0"(ptr, ptr)
+declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.memequal0"(ptr, ptr) #0
 
-define linkonce i1 @"__llgo_stub.github.com/goplus/llgo/runtime/internal/runtime.memequal0"(ptr %0, ptr %1, ptr %2) {
+define linkonce i1 @"__llgo_stub.github.com/goplus/llgo/runtime/internal/runtime.memequal0"(ptr %0, ptr %1, ptr %2) #0 {
 _llgo_0:
   %3 = tail call i1 @"github.com/goplus/llgo/runtime/internal/runtime.memequal0"(ptr %1, ptr %2)
   ret i1 %3
 }
 
-declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.memequalptr"(ptr, ptr)
+declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.memequalptr"(ptr, ptr) #0
 
-define linkonce i1 @"__llgo_stub.github.com/goplus/llgo/runtime/internal/runtime.memequalptr"(ptr %0, ptr %1, ptr %2) {
+define linkonce i1 @"__llgo_stub.github.com/goplus/llgo/runtime/internal/runtime.memequalptr"(ptr %0, ptr %1, ptr %2) #0 {
 _llgo_0:
   %3 = tail call i1 @"github.com/goplus/llgo/runtime/internal/runtime.memequalptr"(ptr %1, ptr %2)
   ret i1 %3
 }
 
-declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.memequal64"(ptr, ptr)
+declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.memequal64"(ptr, ptr) #0
 
-define linkonce i1 @"__llgo_stub.github.com/goplus/llgo/runtime/internal/runtime.memequal64"(ptr %0, ptr %1, ptr %2) {
+define linkonce i1 @"__llgo_stub.github.com/goplus/llgo/runtime/internal/runtime.memequal64"(ptr %0, ptr %1, ptr %2) #0 {
 _llgo_0:
   %3 = tail call i1 @"github.com/goplus/llgo/runtime/internal/runtime.memequal64"(ptr %1, ptr %2)
   ret i1 %3
 }
 
-declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.strequal"(ptr, ptr)
+declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.strequal"(ptr, ptr) #0
 
-define linkonce i1 @"__llgo_stub.github.com/goplus/llgo/runtime/internal/runtime.strequal"(ptr %0, ptr %1, ptr %2) {
+define linkonce i1 @"__llgo_stub.github.com/goplus/llgo/runtime/internal/runtime.strequal"(ptr %0, ptr %1, ptr %2) #0 {
 _llgo_0:
   %3 = tail call i1 @"github.com/goplus/llgo/runtime/internal/runtime.strequal"(ptr %1, ptr %2)
   ret i1 %3
 }
 
-declare ptr @"github.com/goplus/llgo/runtime/internal/runtime.AllocU"(i64)
+declare ptr @"github.com/goplus/llgo/runtime/internal/runtime.AllocU"(i64) #0
 
-declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.interequal"(ptr, ptr)
+declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.interequal"(ptr, ptr) #0
 
-define linkonce i1 @"__llgo_stub.github.com/goplus/llgo/runtime/internal/runtime.interequal"(ptr %0, ptr %1, ptr %2) {
+define linkonce i1 @"__llgo_stub.github.com/goplus/llgo/runtime/internal/runtime.interequal"(ptr %0, ptr %1, ptr %2) #0 {
 _llgo_0:
   %3 = tail call i1 @"github.com/goplus/llgo/runtime/internal/runtime.interequal"(ptr %1, ptr %2)
   ret i1 %3
 }
 
-declare ptr @"github.com/goplus/llgo/runtime/internal/runtime.NewItab"(ptr, ptr)
+declare ptr @"github.com/goplus/llgo/runtime/internal/runtime.NewItab"(ptr, ptr) #0
 
-declare void @"github.com/goplus/llgo/runtime/internal/runtime.Panic"(%"github.com/goplus/llgo/runtime/internal/runtime.eface")
+declare void @"github.com/goplus/llgo/runtime/internal/runtime.Panic"(%"github.com/goplus/llgo/runtime/internal/runtime.eface") #0
 
-declare ptr @"github.com/goplus/llgo/runtime/internal/runtime.IfaceType"(%"github.com/goplus/llgo/runtime/internal/runtime.iface")
+declare ptr @"github.com/goplus/llgo/runtime/internal/runtime.IfaceType"(%"github.com/goplus/llgo/runtime/internal/runtime.iface") #0
 
-define i64 @"github.com/goplus/llgo/cl/_testgo/ifaceprom.I.one$bound"(ptr %0) {
+define i64 @"github.com/goplus/llgo/cl/_testgo/ifaceprom.I.one$bound"(ptr %0) #0 {
 _llgo_0:
   %1 = load { %"github.com/goplus/llgo/runtime/internal/runtime.iface" }, ptr %0, align 8
   %2 = extractvalue { %"github.com/goplus/llgo/runtime/internal/runtime.iface" } %1, 0
@@ -457,9 +457,9 @@ _llgo_0:
   ret i64 %11
 }
 
-declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.StringEqual"(%"github.com/goplus/llgo/runtime/internal/runtime.String", %"github.com/goplus/llgo/runtime/internal/runtime.String")
+declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.StringEqual"(%"github.com/goplus/llgo/runtime/internal/runtime.String", %"github.com/goplus/llgo/runtime/internal/runtime.String") #0
 
-define %"github.com/goplus/llgo/runtime/internal/runtime.String" @"github.com/goplus/llgo/cl/_testgo/ifaceprom.I.two$bound"(ptr %0) {
+define %"github.com/goplus/llgo/runtime/internal/runtime.String" @"github.com/goplus/llgo/cl/_testgo/ifaceprom.I.two$bound"(ptr %0) #0 {
 _llgo_0:
   %1 = load { %"github.com/goplus/llgo/runtime/internal/runtime.iface" }, ptr %0, align 8
   %2 = extractvalue { %"github.com/goplus/llgo/runtime/internal/runtime.iface" } %1, 0
@@ -475,8 +475,9 @@ _llgo_0:
   ret %"github.com/goplus/llgo/runtime/internal/runtime.String" %11
 }
 
-declare void @"github.com/goplus/llgo/runtime/internal/runtime.PrintString"(%"github.com/goplus/llgo/runtime/internal/runtime.String")
+declare void @"github.com/goplus/llgo/runtime/internal/runtime.PrintString"(%"github.com/goplus/llgo/runtime/internal/runtime.String") #0
 
-declare void @"github.com/goplus/llgo/runtime/internal/runtime.PrintByte"(i8)
+declare void @"github.com/goplus/llgo/runtime/internal/runtime.PrintByte"(i8) #0
 
-attributes #0 = { nocallback nofree nounwind willreturn memory(argmem: write) }
+attributes #0 = { "frame-pointer"="non-leaf" }
+attributes #1 = { nocallback nofree nounwind willreturn memory(argmem: write) "frame-pointer"="non-leaf" }
diff --git a/cl/_testgo/interface/out.ll b/cl/_testgo/interface/out.ll
index 828bf2c4f1..6ce9d29c57 100644
--- a/cl/_testgo/interface/out.ll
+++ b/cl/_testgo/interface/out.ll
@@ -47,7 +47,7 @@ source_filename = "github.com/goplus/llgo/cl/_testgo/interface"
 @13 = private unnamed_addr constant [2 x i8] c"OK", align 1
 @14 = private unnamed_addr constant [4 x i8] c"FAIL", align 1
 
-define void @"github.com/goplus/llgo/cl/_testgo/interface.Game1.Load"(%"github.com/goplus/llgo/cl/_testgo/interface.Game1" %0) {
+define void @"github.com/goplus/llgo/cl/_testgo/interface.Game1.Load"(%"github.com/goplus/llgo/cl/_testgo/interface.Game1" %0) #0 {
 _llgo_0:
   %1 = alloca %"github.com/goplus/llgo/cl/_testgo/interface.Game1", align 8
   call void @llvm.memset(ptr %1, i8 0, i64 8, i1 false)
@@ -58,7 +58,7 @@ _llgo_0:
   ret void
 }
 
-define void @"github.com/goplus/llgo/cl/_testgo/interface.Game1.initGame"(%"github.com/goplus/llgo/cl/_testgo/interface.Game1" %0) {
+define void @"github.com/goplus/llgo/cl/_testgo/interface.Game1.initGame"(%"github.com/goplus/llgo/cl/_testgo/interface.Game1" %0) #0 {
 _llgo_0:
   %1 = alloca %"github.com/goplus/llgo/cl/_testgo/interface.Game1", align 8
   call void @llvm.memset(ptr %1, i8 0, i64 8, i1 false)
@@ -69,7 +69,7 @@ _llgo_0:
   ret void
 }
 
-define void @"github.com/goplus/llgo/cl/_testgo/interface.(*Game1).Load"(ptr %0) {
+define void @"github.com/goplus/llgo/cl/_testgo/interface.(*Game1).Load"(ptr %0) #0 {
 _llgo_0:
   %1 = getelementptr inbounds %"github.com/goplus/llgo/cl/_testgo/interface.Game1", ptr %0, i32 0, i32 0
   %2 = load ptr, ptr %1, align 8
@@ -77,7 +77,7 @@ _llgo_0:
   ret void
 }
 
-define void @"github.com/goplus/llgo/cl/_testgo/interface.(*Game1).initGame"(ptr %0) {
+define void @"github.com/goplus/llgo/cl/_testgo/interface.(*Game1).initGame"(ptr %0) #0 {
 _llgo_0:
   %1 = getelementptr inbounds %"github.com/goplus/llgo/cl/_testgo/interface.Game1", ptr %0, i32 0, i32 0
   %2 = load ptr, ptr %1, align 8
@@ -85,12 +85,12 @@ _llgo_0:
   ret void
 }
 
-define void @"github.com/goplus/llgo/cl/_testgo/interface.(*Game2).initGame"(ptr %0) {
+define void @"github.com/goplus/llgo/cl/_testgo/interface.(*Game2).initGame"(ptr %0) #0 {
 _llgo_0:
   ret void
 }
 
-define void @"github.com/goplus/llgo/cl/_testgo/interface.init"() {
+define void @"github.com/goplus/llgo/cl/_testgo/interface.init"() #0 {
 _llgo_0:
   %0 = load i1, ptr @"github.com/goplus/llgo/cl/_testgo/interface.init$guard", align 1
   br i1 %0, label %_llgo_2, label %_llgo_1
@@ -104,7 +104,7 @@ _llgo_2:                                          ; preds = %_llgo_1, %_llgo_0
   ret void
 }
 
-define void @"github.com/goplus/llgo/cl/_testgo/interface.main"() {
+define void @"github.com/goplus/llgo/cl/_testgo/interface.main"() #0 {
 _llgo_0:
   %0 = call ptr @"github.com/goplus/llgo/runtime/internal/runtime.AllocZ"(i64 8)
   %1 = getelementptr inbounds %"github.com/goplus/llgo/cl/_testgo/interface.Game1", ptr %0, i32 0, i32 0
@@ -184,54 +184,55 @@ _llgo_8:                                          ; preds = %_llgo_7, %_llgo_6
 }
 
 ; Function Attrs: nocallback nofree nounwind willreturn memory(argmem: write)
-declare void @llvm.memset(ptr nocapture writeonly, i8, i64, i1 immarg) #0
+declare void @llvm.memset(ptr nocapture writeonly, i8, i64, i1 immarg) #1
 
-declare void @"github.com/goplus/llgo/cl/_testdata/foo.(*Game).Load"(ptr)
+declare void @"github.com/goplus/llgo/cl/_testdata/foo.(*Game).Load"(ptr) #0
 
-declare void @"github.com/goplus/llgo/cl/_testdata/foo.(*Game).initGame"(ptr)
+declare void @"github.com/goplus/llgo/cl/_testdata/foo.(*Game).initGame"(ptr) #0
 
-declare void @"github.com/goplus/llgo/cl/_testdata/foo.init"()
+declare void @"github.com/goplus/llgo/cl/_testdata/foo.init"() #0
 
-declare ptr @"github.com/goplus/llgo/runtime/internal/runtime.AllocZ"(i64)
+declare ptr @"github.com/goplus/llgo/runtime/internal/runtime.AllocZ"(i64) #0
 
-declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.memequalptr"(ptr, ptr)
+declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.memequalptr"(ptr, ptr) #0
 
-define linkonce i1 @"__llgo_stub.github.com/goplus/llgo/runtime/internal/runtime.memequalptr"(ptr %0, ptr %1, ptr %2) {
+define linkonce i1 @"__llgo_stub.github.com/goplus/llgo/runtime/internal/runtime.memequalptr"(ptr %0, ptr %1, ptr %2) #0 {
 _llgo_0:
   %3 = tail call i1 @"github.com/goplus/llgo/runtime/internal/runtime.memequalptr"(ptr %1, ptr %2)
   ret i1 %3
 }
 
-declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.structequal"(ptr, ptr, ptr)
+declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.structequal"(ptr, ptr, ptr) #0
 
-declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.memequal0"(ptr, ptr)
+declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.memequal0"(ptr, ptr) #0
 
-define linkonce i1 @"__llgo_stub.github.com/goplus/llgo/runtime/internal/runtime.memequal0"(ptr %0, ptr %1, ptr %2) {
+define linkonce i1 @"__llgo_stub.github.com/goplus/llgo/runtime/internal/runtime.memequal0"(ptr %0, ptr %1, ptr %2) #0 {
 _llgo_0:
   %3 = tail call i1 @"github.com/goplus/llgo/runtime/internal/runtime.memequal0"(ptr %1, ptr %2)
   ret i1 %3
 }
 
-declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.interequal"(ptr, ptr)
+declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.interequal"(ptr, ptr) #0
 
-define linkonce i1 @"__llgo_stub.github.com/goplus/llgo/runtime/internal/runtime.interequal"(ptr %0, ptr %1, ptr %2) {
+define linkonce i1 @"__llgo_stub.github.com/goplus/llgo/runtime/internal/runtime.interequal"(ptr %0, ptr %1, ptr %2) #0 {
 _llgo_0:
   %3 = tail call i1 @"github.com/goplus/llgo/runtime/internal/runtime.interequal"(ptr %1, ptr %2)
   ret i1 %3
 }
 
-declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.Implements"(ptr, ptr)
+declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.Implements"(ptr, ptr) #0
 
-declare ptr @"github.com/goplus/llgo/runtime/internal/runtime.NewItab"(ptr, ptr)
+declare ptr @"github.com/goplus/llgo/runtime/internal/runtime.NewItab"(ptr, ptr) #0
 
-declare void @"github.com/goplus/llgo/runtime/internal/runtime.PrintString"(%"github.com/goplus/llgo/runtime/internal/runtime.String")
+declare void @"github.com/goplus/llgo/runtime/internal/runtime.PrintString"(%"github.com/goplus/llgo/runtime/internal/runtime.String") #0
 
-declare void @"github.com/goplus/llgo/runtime/internal/runtime.PrintByte"(i8)
+declare void @"github.com/goplus/llgo/runtime/internal/runtime.PrintByte"(i8) #0
 
-declare void @"github.com/goplus/llgo/runtime/internal/runtime.PrintIface"(%"github.com/goplus/llgo/runtime/internal/runtime.iface")
+declare void @"github.com/goplus/llgo/runtime/internal/runtime.PrintIface"(%"github.com/goplus/llgo/runtime/internal/runtime.iface") #0
 
-declare void @"github.com/goplus/llgo/runtime/internal/runtime.PrintBool"(i1)
+declare void @"github.com/goplus/llgo/runtime/internal/runtime.PrintBool"(i1) #0
 
-declare ptr @"github.com/goplus/llgo/runtime/internal/runtime.IfacePtrData"(%"github.com/goplus/llgo/runtime/internal/runtime.iface")
+declare ptr @"github.com/goplus/llgo/runtime/internal/runtime.IfacePtrData"(%"github.com/goplus/llgo/runtime/internal/runtime.iface") #0
 
-attributes #0 = { nocallback nofree nounwind willreturn memory(argmem: write) }
+attributes #0 = { "frame-pointer"="non-leaf" }
+attributes #1 = { nocallback nofree nounwind willreturn memory(argmem: write) "frame-pointer"="non-leaf" }
diff --git a/cl/_testgo/interface1370/out.ll b/cl/_testgo/interface1370/out.ll
index 205f975a13..abf1e7bbae 100644
--- a/cl/_testgo/interface1370/out.ll
+++ b/cl/_testgo/interface1370/out.ll
@@ -61,7 +61,7 @@ source_filename = "github.com/goplus/llgo/cl/_testgo/interface1370"
 @"github.com/goplus/llgo/cl/_testgo/interface1370.iface$OopIVfjRcxQr1gmJyGi5G7hHt__vH05AREEM7PthH9o$imethods" = weak_odr constant [3 x %"github.com/goplus/llgo/runtime/abi.Imethod"] [%"github.com/goplus/llgo/runtime/abi.Imethod" { %"github.com/goplus/llgo/runtime/internal/runtime.String" { ptr @7, i64 4 }, ptr @"_llgo_func$UYiLlmcWxoOKZPPzvR4LByitNeKoVGoTrB_5ubdOWW8" }, %"github.com/goplus/llgo/runtime/abi.Imethod" { %"github.com/goplus/llgo/runtime/internal/runtime.String" { ptr @12, i64 54 }, ptr @"_llgo_func$VZ-8VPNF1RaLICwxc1Ghn7BbgyFX3v762OCdx127EkA" }, %"github.com/goplus/llgo/runtime/abi.Imethod" { %"github.com/goplus/llgo/runtime/internal/runtime.String" { ptr @15, i64 57 }, ptr @"_llgo_func$YHeRw3AOvQtzv982-ZO3Yn8vh3Fx89RM3VvI8E4iKVk" }], align 8
 @20 = private unnamed_addr constant [3 x i8] c"ID:", align 1
 
-define void @"github.com/goplus/llgo/cl/_testgo/interface1370.init"() {
+define void @"github.com/goplus/llgo/cl/_testgo/interface1370.init"() #0 {
 _llgo_0:
   %0 = load i1, ptr @"github.com/goplus/llgo/cl/_testgo/interface1370.init$guard", align 1
   br i1 %0, label %_llgo_2, label %_llgo_1
@@ -75,7 +75,7 @@ _llgo_2:                                          ; preds = %_llgo_1, %_llgo_0
   ret void
 }
 
-define void @"github.com/goplus/llgo/cl/_testgo/interface1370.main"() {
+define void @"github.com/goplus/llgo/cl/_testgo/interface1370.main"() #0 {
 _llgo_0:
   %0 = call ptr @"github.com/goplus/llgo/cl/_testdata/geometry1370.NewRectangle"(double 5.000000e+00, double 3.000000e+00)
   %1 = call ptr @"github.com/goplus/llgo/runtime/internal/runtime.NewItab"(ptr @"github.com/goplus/llgo/cl/_testgo/interface1370.iface$OopIVfjRcxQr1gmJyGi5G7hHt__vH05AREEM7PthH9o", ptr @"*_llgo_github.com/goplus/llgo/cl/_testdata/geometry1370.Rectangle")
@@ -90,66 +90,68 @@ _llgo_0:
   ret void
 }
 
-declare void @"github.com/goplus/llgo/cl/_testdata/geometry1370.init"()
+declare void @"github.com/goplus/llgo/cl/_testdata/geometry1370.init"() #0
 
-declare ptr @"github.com/goplus/llgo/cl/_testdata/geometry1370.NewRectangle"(double, double)
+declare ptr @"github.com/goplus/llgo/cl/_testdata/geometry1370.NewRectangle"(double, double) #0
 
-declare void @"github.com/goplus/llgo/cl/_testdata/geometry1370.RegisterShape"(%"github.com/goplus/llgo/runtime/internal/runtime.iface", i64)
+declare void @"github.com/goplus/llgo/cl/_testdata/geometry1370.RegisterShape"(%"github.com/goplus/llgo/runtime/internal/runtime.iface", i64) #0
 
-declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.memequalptr"(ptr, ptr)
+declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.memequalptr"(ptr, ptr) #0
 
-define linkonce i1 @"__llgo_stub.github.com/goplus/llgo/runtime/internal/runtime.memequalptr"(ptr %0, ptr %1, ptr %2) {
+define linkonce i1 @"__llgo_stub.github.com/goplus/llgo/runtime/internal/runtime.memequalptr"(ptr %0, ptr %1, ptr %2) #0 {
 _llgo_0:
   %3 = tail call i1 @"github.com/goplus/llgo/runtime/internal/runtime.memequalptr"(ptr %1, ptr %2)
   ret i1 %3
 }
 
-declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.structequal"(ptr, ptr, ptr)
+declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.structequal"(ptr, ptr, ptr) #0
 
-declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.f64equal"(ptr, ptr)
+declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.f64equal"(ptr, ptr) #0
 
-define linkonce i1 @"__llgo_stub.github.com/goplus/llgo/runtime/internal/runtime.f64equal"(ptr %0, ptr %1, ptr %2) {
+define linkonce i1 @"__llgo_stub.github.com/goplus/llgo/runtime/internal/runtime.f64equal"(ptr %0, ptr %1, ptr %2) #0 {
 _llgo_0:
   %3 = tail call i1 @"github.com/goplus/llgo/runtime/internal/runtime.f64equal"(ptr %1, ptr %2)
   ret i1 %3
 }
 
-declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.memequal64"(ptr, ptr)
+declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.memequal64"(ptr, ptr) #0
 
-define linkonce i1 @"__llgo_stub.github.com/goplus/llgo/runtime/internal/runtime.memequal64"(ptr %0, ptr %1, ptr %2) {
+define linkonce i1 @"__llgo_stub.github.com/goplus/llgo/runtime/internal/runtime.memequal64"(ptr %0, ptr %1, ptr %2) #0 {
 _llgo_0:
   %3 = tail call i1 @"github.com/goplus/llgo/runtime/internal/runtime.memequal64"(ptr %1, ptr %2)
   ret i1 %3
 }
 
-declare double @"github.com/goplus/llgo/cl/_testdata/geometry1370.(*Rectangle).Area"(ptr)
+declare double @"github.com/goplus/llgo/cl/_testdata/geometry1370.(*Rectangle).Area"(ptr) #0
 
-declare i64 @"github.com/goplus/llgo/cl/_testdata/geometry1370.(*Rectangle).GetID"(ptr)
+declare i64 @"github.com/goplus/llgo/cl/_testdata/geometry1370.(*Rectangle).GetID"(ptr) #0
 
-declare void @"github.com/goplus/llgo/cl/_testdata/geometry1370.(*Rectangle).setID"(ptr, i64)
+declare void @"github.com/goplus/llgo/cl/_testdata/geometry1370.(*Rectangle).setID"(ptr, i64) #0
 
-declare i1 @"github.com/goplus/llgo/cl/_testdata/geometry1370.(*Rectangle).validate"(ptr)
+declare i1 @"github.com/goplus/llgo/cl/_testdata/geometry1370.(*Rectangle).validate"(ptr) #0
 
-declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.memequal8"(ptr, ptr)
+declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.memequal8"(ptr, ptr) #0
 
-define linkonce i1 @"__llgo_stub.github.com/goplus/llgo/runtime/internal/runtime.memequal8"(ptr %0, ptr %1, ptr %2) {
+define linkonce i1 @"__llgo_stub.github.com/goplus/llgo/runtime/internal/runtime.memequal8"(ptr %0, ptr %1, ptr %2) #0 {
 _llgo_0:
   %3 = tail call i1 @"github.com/goplus/llgo/runtime/internal/runtime.memequal8"(ptr %1, ptr %2)
   ret i1 %3
 }
 
-declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.interequal"(ptr, ptr)
+declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.interequal"(ptr, ptr) #0
 
-define linkonce i1 @"__llgo_stub.github.com/goplus/llgo/runtime/internal/runtime.interequal"(ptr %0, ptr %1, ptr %2) {
+define linkonce i1 @"__llgo_stub.github.com/goplus/llgo/runtime/internal/runtime.interequal"(ptr %0, ptr %1, ptr %2) #0 {
 _llgo_0:
   %3 = tail call i1 @"github.com/goplus/llgo/runtime/internal/runtime.interequal"(ptr %1, ptr %2)
   ret i1 %3
 }
 
-declare ptr @"github.com/goplus/llgo/runtime/internal/runtime.NewItab"(ptr, ptr)
+declare ptr @"github.com/goplus/llgo/runtime/internal/runtime.NewItab"(ptr, ptr) #0
 
-declare void @"github.com/goplus/llgo/runtime/internal/runtime.PrintString"(%"github.com/goplus/llgo/runtime/internal/runtime.String")
+declare void @"github.com/goplus/llgo/runtime/internal/runtime.PrintString"(%"github.com/goplus/llgo/runtime/internal/runtime.String") #0
 
-declare void @"github.com/goplus/llgo/runtime/internal/runtime.PrintByte"(i8)
+declare void @"github.com/goplus/llgo/runtime/internal/runtime.PrintByte"(i8) #0
 
-declare void @"github.com/goplus/llgo/runtime/internal/runtime.PrintInt"(i64)
+declare void @"github.com/goplus/llgo/runtime/internal/runtime.PrintInt"(i64) #0
+
+attributes #0 = { "frame-pointer"="non-leaf" }
diff --git a/cl/_testgo/invoke/out.ll b/cl/_testgo/invoke/out.ll
index 1cdd95e85f..501399acec 100644
--- a/cl/_testgo/invoke/out.ll
+++ b/cl/_testgo/invoke/out.ll
@@ -98,7 +98,7 @@ source_filename = "github.com/goplus/llgo/cl/_testgo/invoke"
 @34 = private unnamed_addr constant [32 x i8] c"type assertion any -> any failed", align 1
 @35 = private unnamed_addr constant [52 x i8] c"type assertion any -> interface{Invoke() int} failed", align 1
 
-define i64 @"github.com/goplus/llgo/cl/_testgo/invoke.T.Invoke"(%"github.com/goplus/llgo/cl/_testgo/invoke.T" %0) {
+define i64 @"github.com/goplus/llgo/cl/_testgo/invoke.T.Invoke"(%"github.com/goplus/llgo/cl/_testgo/invoke.T" %0) #0 {
 _llgo_0:
   %1 = alloca %"github.com/goplus/llgo/cl/_testgo/invoke.T", align 8
   call void @llvm.memset(ptr %1, i8 0, i64 16, i1 false)
@@ -112,19 +112,19 @@ _llgo_0:
   ret i64 0
 }
 
-define i64 @"github.com/goplus/llgo/cl/_testgo/invoke.(*T).Invoke"(ptr %0) {
+define i64 @"github.com/goplus/llgo/cl/_testgo/invoke.(*T).Invoke"(ptr %0) #0 {
 _llgo_0:
   %1 = load %"github.com/goplus/llgo/cl/_testgo/invoke.T", ptr %0, align 8
   %2 = call i64 @"github.com/goplus/llgo/cl/_testgo/invoke.T.Invoke"(%"github.com/goplus/llgo/cl/_testgo/invoke.T" %1)
   ret i64 %2
 }
 
-define void @"github.com/goplus/llgo/cl/_testgo/invoke.(*T).Method"(ptr %0) {
+define void @"github.com/goplus/llgo/cl/_testgo/invoke.(*T).Method"(ptr %0) #0 {
 _llgo_0:
   ret void
 }
 
-define i64 @"github.com/goplus/llgo/cl/_testgo/invoke.T1.Invoke"(i64 %0) {
+define i64 @"github.com/goplus/llgo/cl/_testgo/invoke.T1.Invoke"(i64 %0) #0 {
 _llgo_0:
   call void @"github.com/goplus/llgo/runtime/internal/runtime.PrintString"(%"github.com/goplus/llgo/runtime/internal/runtime.String" { ptr @1, i64 7 })
   call void @"github.com/goplus/llgo/runtime/internal/runtime.PrintByte"(i8 32)
@@ -133,14 +133,14 @@ _llgo_0:
   ret i64 1
 }
 
-define i64 @"github.com/goplus/llgo/cl/_testgo/invoke.(*T1).Invoke"(ptr %0) {
+define i64 @"github.com/goplus/llgo/cl/_testgo/invoke.(*T1).Invoke"(ptr %0) #0 {
 _llgo_0:
   %1 = load i64, ptr %0, align 4
   %2 = call i64 @"github.com/goplus/llgo/cl/_testgo/invoke.T1.Invoke"(i64 %1)
   ret i64 %2
 }
 
-define i64 @"github.com/goplus/llgo/cl/_testgo/invoke.T2.Invoke"(double %0) {
+define i64 @"github.com/goplus/llgo/cl/_testgo/invoke.T2.Invoke"(double %0) #0 {
 _llgo_0:
   call void @"github.com/goplus/llgo/runtime/internal/runtime.PrintString"(%"github.com/goplus/llgo/runtime/internal/runtime.String" { ptr @2, i64 7 })
   call void @"github.com/goplus/llgo/runtime/internal/runtime.PrintByte"(i8 32)
@@ -149,14 +149,14 @@ _llgo_0:
   ret i64 2
 }
 
-define i64 @"github.com/goplus/llgo/cl/_testgo/invoke.(*T2).Invoke"(ptr %0) {
+define i64 @"github.com/goplus/llgo/cl/_testgo/invoke.(*T2).Invoke"(ptr %0) #0 {
 _llgo_0:
   %1 = load double, ptr %0, align 8
   %2 = call i64 @"github.com/goplus/llgo/cl/_testgo/invoke.T2.Invoke"(double %1)
   ret i64 %2
 }
 
-define i64 @"github.com/goplus/llgo/cl/_testgo/invoke.(*T3).Invoke"(ptr %0) {
+define i64 @"github.com/goplus/llgo/cl/_testgo/invoke.(*T3).Invoke"(ptr %0) #0 {
 _llgo_0:
   %1 = load i8, ptr %0, align 1
   call void @"github.com/goplus/llgo/runtime/internal/runtime.PrintString"(%"github.com/goplus/llgo/runtime/internal/runtime.String" { ptr @3, i64 7 })
@@ -167,7 +167,7 @@ _llgo_0:
   ret i64 3
 }
 
-define i64 @"github.com/goplus/llgo/cl/_testgo/invoke.T4.Invoke"([1 x i64] %0) {
+define i64 @"github.com/goplus/llgo/cl/_testgo/invoke.T4.Invoke"([1 x i64] %0) #0 {
 _llgo_0:
   %1 = alloca [1 x i64], align 8
   call void @llvm.memset(ptr %1, i8 0, i64 8, i1 false)
@@ -181,14 +181,14 @@ _llgo_0:
   ret i64 4
 }
 
-define i64 @"github.com/goplus/llgo/cl/_testgo/invoke.(*T4).Invoke"(ptr %0) {
+define i64 @"github.com/goplus/llgo/cl/_testgo/invoke.(*T4).Invoke"(ptr %0) #0 {
 _llgo_0:
   %1 = load [1 x i64], ptr %0, align 4
   %2 = call i64 @"github.com/goplus/llgo/cl/_testgo/invoke.T4.Invoke"([1 x i64] %1)
   ret i64 %2
 }
 
-define i64 @"github.com/goplus/llgo/cl/_testgo/invoke.T5.Invoke"(%"github.com/goplus/llgo/cl/_testgo/invoke.T5" %0) {
+define i64 @"github.com/goplus/llgo/cl/_testgo/invoke.T5.Invoke"(%"github.com/goplus/llgo/cl/_testgo/invoke.T5" %0) #0 {
 _llgo_0:
   %1 = alloca %"github.com/goplus/llgo/cl/_testgo/invoke.T5", align 8
   call void @llvm.memset(ptr %1, i8 0, i64 8, i1 false)
@@ -202,14 +202,14 @@ _llgo_0:
   ret i64 5
 }
 
-define i64 @"github.com/goplus/llgo/cl/_testgo/invoke.(*T5).Invoke"(ptr %0) {
+define i64 @"github.com/goplus/llgo/cl/_testgo/invoke.(*T5).Invoke"(ptr %0) #0 {
 _llgo_0:
   %1 = load %"github.com/goplus/llgo/cl/_testgo/invoke.T5", ptr %0, align 4
   %2 = call i64 @"github.com/goplus/llgo/cl/_testgo/invoke.T5.Invoke"(%"github.com/goplus/llgo/cl/_testgo/invoke.T5" %1)
   ret i64 %2
 }
 
-define i64 @"github.com/goplus/llgo/cl/_testgo/invoke.T6.Invoke"(%"github.com/goplus/llgo/cl/_testgo/invoke.T6" %0) {
+define i64 @"github.com/goplus/llgo/cl/_testgo/invoke.T6.Invoke"(%"github.com/goplus/llgo/cl/_testgo/invoke.T6" %0) #0 {
 _llgo_0:
   %1 = extractvalue %"github.com/goplus/llgo/cl/_testgo/invoke.T6" %0, 1
   %2 = extractvalue %"github.com/goplus/llgo/cl/_testgo/invoke.T6" %0, 0
@@ -221,14 +221,14 @@ _llgo_0:
   ret i64 6
 }
 
-define i64 @"github.com/goplus/llgo/cl/_testgo/invoke.(*T6).Invoke"(ptr %0) {
+define i64 @"github.com/goplus/llgo/cl/_testgo/invoke.(*T6).Invoke"(ptr %0) #0 {
 _llgo_0:
   %1 = load %"github.com/goplus/llgo/cl/_testgo/invoke.T6", ptr %0, align 8
   %2 = call i64 @"github.com/goplus/llgo/cl/_testgo/invoke.T6.Invoke"(%"github.com/goplus/llgo/cl/_testgo/invoke.T6" %1)
   ret i64 %2
 }
 
-define void @"github.com/goplus/llgo/cl/_testgo/invoke.init"() {
+define void @"github.com/goplus/llgo/cl/_testgo/invoke.init"() #0 {
 _llgo_0:
   %0 = load i1, ptr @"github.com/goplus/llgo/cl/_testgo/invoke.init$guard", align 1
   br i1 %0, label %_llgo_2, label %_llgo_1
@@ -241,7 +241,7 @@ _llgo_2:                                          ; preds = %_llgo_1, %_llgo_0
   ret void
 }
 
-define void @"github.com/goplus/llgo/cl/_testgo/invoke.invoke"(%"github.com/goplus/llgo/runtime/internal/runtime.iface" %0) {
+define void @"github.com/goplus/llgo/cl/_testgo/invoke.invoke"(%"github.com/goplus/llgo/runtime/internal/runtime.iface" %0) #0 {
 _llgo_0:
   %1 = call ptr @"github.com/goplus/llgo/runtime/internal/runtime.IfacePtrData"(%"github.com/goplus/llgo/runtime/internal/runtime.iface" %0)
   %2 = extractvalue %"github.com/goplus/llgo/runtime/internal/runtime.iface" %0, 0
@@ -257,7 +257,7 @@ _llgo_0:
   ret void
 }
 
-define void @"github.com/goplus/llgo/cl/_testgo/invoke.main"() {
+define void @"github.com/goplus/llgo/cl/_testgo/invoke.main"() #0 {
 _llgo_0:
   %0 = call ptr @"github.com/goplus/llgo/runtime/internal/runtime.AllocZ"(i64 16)
   %1 = getelementptr inbounds %"github.com/goplus/llgo/cl/_testgo/invoke.T", ptr %0, i32 0, i32 0
@@ -419,102 +419,103 @@ _llgo_6:                                          ; preds = %_llgo_3
   unreachable
 }
 
-define i64 @"github.com/goplus/llgo/cl/_testgo/invoke.main$1"() {
+define i64 @"github.com/goplus/llgo/cl/_testgo/invoke.main$1"() #0 {
 _llgo_0:
   ret i64 400
 }
 
 ; Function Attrs: nocallback nofree nounwind willreturn memory(argmem: write)
-declare void @llvm.memset(ptr nocapture writeonly, i8, i64, i1 immarg) #0
+declare void @llvm.memset(ptr nocapture writeonly, i8, i64, i1 immarg) #1
 
-declare void @"github.com/goplus/llgo/runtime/internal/runtime.PrintString"(%"github.com/goplus/llgo/runtime/internal/runtime.String")
+declare void @"github.com/goplus/llgo/runtime/internal/runtime.PrintString"(%"github.com/goplus/llgo/runtime/internal/runtime.String") #0
 
-declare void @"github.com/goplus/llgo/runtime/internal/runtime.PrintByte"(i8)
+declare void @"github.com/goplus/llgo/runtime/internal/runtime.PrintByte"(i8) #0
 
-declare void @"github.com/goplus/llgo/runtime/internal/runtime.PrintInt"(i64)
+declare void @"github.com/goplus/llgo/runtime/internal/runtime.PrintInt"(i64) #0
 
-declare void @"github.com/goplus/llgo/runtime/internal/runtime.PrintFloat"(double)
+declare void @"github.com/goplus/llgo/runtime/internal/runtime.PrintFloat"(double) #0
 
-declare ptr @"github.com/goplus/llgo/runtime/internal/runtime.IfacePtrData"(%"github.com/goplus/llgo/runtime/internal/runtime.iface")
+declare ptr @"github.com/goplus/llgo/runtime/internal/runtime.IfacePtrData"(%"github.com/goplus/llgo/runtime/internal/runtime.iface") #0
 
-declare ptr @"github.com/goplus/llgo/runtime/internal/runtime.AllocZ"(i64)
+declare ptr @"github.com/goplus/llgo/runtime/internal/runtime.AllocZ"(i64) #0
 
-define linkonce i64 @"__llgo_stub.github.com/goplus/llgo/cl/_testgo/invoke.main$1"(ptr %0) {
+define linkonce i64 @"__llgo_stub.github.com/goplus/llgo/cl/_testgo/invoke.main$1"(ptr %0) #0 {
 _llgo_0:
   %1 = tail call i64 @"github.com/goplus/llgo/cl/_testgo/invoke.main$1"()
   ret i64 %1
 }
 
-declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.structequal"(ptr, ptr, ptr)
+declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.structequal"(ptr, ptr, ptr) #0
 
-declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.memequalptr"(ptr, ptr)
+declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.memequalptr"(ptr, ptr) #0
 
-define linkonce i1 @"__llgo_stub.github.com/goplus/llgo/runtime/internal/runtime.memequalptr"(ptr %0, ptr %1, ptr %2) {
+define linkonce i1 @"__llgo_stub.github.com/goplus/llgo/runtime/internal/runtime.memequalptr"(ptr %0, ptr %1, ptr %2) #0 {
 _llgo_0:
   %3 = tail call i1 @"github.com/goplus/llgo/runtime/internal/runtime.memequalptr"(ptr %1, ptr %2)
   ret i1 %3
 }
 
-declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.memequal64"(ptr, ptr)
+declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.memequal64"(ptr, ptr) #0
 
-define linkonce i1 @"__llgo_stub.github.com/goplus/llgo/runtime/internal/runtime.memequal64"(ptr %0, ptr %1, ptr %2) {
+define linkonce i1 @"__llgo_stub.github.com/goplus/llgo/runtime/internal/runtime.memequal64"(ptr %0, ptr %1, ptr %2) #0 {
 _llgo_0:
   %3 = tail call i1 @"github.com/goplus/llgo/runtime/internal/runtime.memequal64"(ptr %1, ptr %2)
   ret i1 %3
 }
 
-declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.strequal"(ptr, ptr)
+declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.strequal"(ptr, ptr) #0
 
-define linkonce i1 @"__llgo_stub.github.com/goplus/llgo/runtime/internal/runtime.strequal"(ptr %0, ptr %1, ptr %2) {
+define linkonce i1 @"__llgo_stub.github.com/goplus/llgo/runtime/internal/runtime.strequal"(ptr %0, ptr %1, ptr %2) #0 {
 _llgo_0:
   %3 = tail call i1 @"github.com/goplus/llgo/runtime/internal/runtime.strequal"(ptr %1, ptr %2)
   ret i1 %3
 }
 
-declare ptr @"github.com/goplus/llgo/runtime/internal/runtime.AllocU"(i64)
+declare ptr @"github.com/goplus/llgo/runtime/internal/runtime.AllocU"(i64) #0
 
-declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.interequal"(ptr, ptr)
+declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.interequal"(ptr, ptr) #0
 
-define linkonce i1 @"__llgo_stub.github.com/goplus/llgo/runtime/internal/runtime.interequal"(ptr %0, ptr %1, ptr %2) {
+define linkonce i1 @"__llgo_stub.github.com/goplus/llgo/runtime/internal/runtime.interequal"(ptr %0, ptr %1, ptr %2) #0 {
 _llgo_0:
   %3 = tail call i1 @"github.com/goplus/llgo/runtime/internal/runtime.interequal"(ptr %1, ptr %2)
   ret i1 %3
 }
 
-declare ptr @"github.com/goplus/llgo/runtime/internal/runtime.NewItab"(ptr, ptr)
+declare ptr @"github.com/goplus/llgo/runtime/internal/runtime.NewItab"(ptr, ptr) #0
 
-declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.f64equal"(ptr, ptr)
+declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.f64equal"(ptr, ptr) #0
 
-define linkonce i1 @"__llgo_stub.github.com/goplus/llgo/runtime/internal/runtime.f64equal"(ptr %0, ptr %1, ptr %2) {
+define linkonce i1 @"__llgo_stub.github.com/goplus/llgo/runtime/internal/runtime.f64equal"(ptr %0, ptr %1, ptr %2) #0 {
 _llgo_0:
   %3 = tail call i1 @"github.com/goplus/llgo/runtime/internal/runtime.f64equal"(ptr %1, ptr %2)
   ret i1 %3
 }
 
-declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.memequal8"(ptr, ptr)
+declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.memequal8"(ptr, ptr) #0
 
-define linkonce i1 @"__llgo_stub.github.com/goplus/llgo/runtime/internal/runtime.memequal8"(ptr %0, ptr %1, ptr %2) {
+define linkonce i1 @"__llgo_stub.github.com/goplus/llgo/runtime/internal/runtime.memequal8"(ptr %0, ptr %1, ptr %2) #0 {
 _llgo_0:
   %3 = tail call i1 @"github.com/goplus/llgo/runtime/internal/runtime.memequal8"(ptr %1, ptr %2)
   ret i1 %3
 }
 
-declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.arrayequal"(ptr, ptr, ptr)
+declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.arrayequal"(ptr, ptr, ptr) #0
 
-declare ptr @"github.com/goplus/llgo/runtime/internal/runtime.IfaceType"(%"github.com/goplus/llgo/runtime/internal/runtime.iface")
+declare ptr @"github.com/goplus/llgo/runtime/internal/runtime.IfaceType"(%"github.com/goplus/llgo/runtime/internal/runtime.iface") #0
 
-declare void @"github.com/goplus/llgo/runtime/internal/runtime.PrintIface"(%"github.com/goplus/llgo/runtime/internal/runtime.iface")
+declare void @"github.com/goplus/llgo/runtime/internal/runtime.PrintIface"(%"github.com/goplus/llgo/runtime/internal/runtime.iface") #0
 
-declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.Implements"(ptr, ptr)
+declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.Implements"(ptr, ptr) #0
 
-declare void @"github.com/goplus/llgo/runtime/internal/runtime.Panic"(%"github.com/goplus/llgo/runtime/internal/runtime.eface")
+declare void @"github.com/goplus/llgo/runtime/internal/runtime.Panic"(%"github.com/goplus/llgo/runtime/internal/runtime.eface") #0
 
-declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.nilinterequal"(ptr, ptr)
+declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.nilinterequal"(ptr, ptr) #0
 
-define linkonce i1 @"__llgo_stub.github.com/goplus/llgo/runtime/internal/runtime.nilinterequal"(ptr %0, ptr %1, ptr %2) {
+define linkonce i1 @"__llgo_stub.github.com/goplus/llgo/runtime/internal/runtime.nilinterequal"(ptr %0, ptr %1, ptr %2) #0 {
 _llgo_0:
   %3 = tail call i1 @"github.com/goplus/llgo/runtime/internal/runtime.nilinterequal"(ptr %1, ptr %2)
   ret i1 %3
 }
 
-attributes #0 = { nocallback nofree nounwind willreturn memory(argmem: write) }
+attributes #0 = { "frame-pointer"="non-leaf" }
+attributes #1 = { nocallback nofree nounwind willreturn memory(argmem: write) "frame-pointer"="non-leaf" }
diff --git a/cl/_testgo/multiret/out.ll b/cl/_testgo/multiret/out.ll
index fd343e4326..371fbc76ac 100644
--- a/cl/_testgo/multiret/out.ll
+++ b/cl/_testgo/multiret/out.ll
@@ -4,7 +4,7 @@ source_filename = "github.com/goplus/llgo/cl/_testgo/multiret"
 @"github.com/goplus/llgo/cl/_testgo/multiret.a" = global i64 0, align 8
 @"github.com/goplus/llgo/cl/_testgo/multiret.init$guard" = global i1 false, align 1
 
-define { i64, double } @"github.com/goplus/llgo/cl/_testgo/multiret.foo"(double %0) {
+define { i64, double } @"github.com/goplus/llgo/cl/_testgo/multiret.foo"(double %0) #0 {
 _llgo_0:
   %1 = load i64, ptr @"github.com/goplus/llgo/cl/_testgo/multiret.a", align 4
   %2 = insertvalue { i64, double } undef, i64 %1, 0
@@ -12,7 +12,7 @@ _llgo_0:
   ret { i64, double } %3
 }
 
-define void @"github.com/goplus/llgo/cl/_testgo/multiret.init"() {
+define void @"github.com/goplus/llgo/cl/_testgo/multiret.init"() #0 {
 _llgo_0:
   %0 = load i1, ptr @"github.com/goplus/llgo/cl/_testgo/multiret.init$guard", align 1
   br i1 %0, label %_llgo_2, label %_llgo_1
@@ -26,7 +26,7 @@ _llgo_2:                                          ; preds = %_llgo_1, %_llgo_0
   ret void
 }
 
-define void @"github.com/goplus/llgo/cl/_testgo/multiret.main"() {
+define void @"github.com/goplus/llgo/cl/_testgo/multiret.main"() #0 {
 _llgo_0:
   %0 = call { i64, double } @"github.com/goplus/llgo/cl/_testgo/multiret.foo"(double 2.000000e+00)
   %1 = extractvalue { i64, double } %0, 0
@@ -38,8 +38,10 @@ _llgo_0:
   ret void
 }
 
-declare void @"github.com/goplus/llgo/runtime/internal/runtime.PrintInt"(i64)
+declare void @"github.com/goplus/llgo/runtime/internal/runtime.PrintInt"(i64) #0
 
-declare void @"github.com/goplus/llgo/runtime/internal/runtime.PrintByte"(i8)
+declare void @"github.com/goplus/llgo/runtime/internal/runtime.PrintByte"(i8) #0
 
-declare void @"github.com/goplus/llgo/runtime/internal/runtime.PrintFloat"(double)
+declare void @"github.com/goplus/llgo/runtime/internal/runtime.PrintFloat"(double) #0
+
+attributes #0 = { "frame-pointer"="non-leaf" }
diff --git a/cl/_testgo/print/out.ll b/cl/_testgo/print/out.ll
index f767376bd7..c08a5f22c1 100644
--- a/cl/_testgo/print/out.ll
+++ b/cl/_testgo/print/out.ll
@@ -3,7 +3,7 @@ source_filename = "github.com/goplus/llgo/cl/_testgo/print"
 
 @"github.com/goplus/llgo/cl/_testgo/print.init$guard" = global i1 false, align 1
 
-define void @"github.com/goplus/llgo/cl/_testgo/print.init"() {
+define void @"github.com/goplus/llgo/cl/_testgo/print.init"() #0 {
 _llgo_0:
   %0 = load i1, ptr @"github.com/goplus/llgo/cl/_testgo/print.init$guard", align 1
   br i1 %0, label %_llgo_2, label %_llgo_1
@@ -16,7 +16,7 @@ _llgo_2:                                          ; preds = %_llgo_1, %_llgo_0
   ret void
 }
 
-define void @"github.com/goplus/llgo/cl/_testgo/print.main"() {
+define void @"github.com/goplus/llgo/cl/_testgo/print.main"() #0 {
 _llgo_0:
   call void @"github.com/goplus/llgo/runtime/internal/runtime.PrintInt"(i64 46)
   call void @"github.com/goplus/llgo/runtime/internal/runtime.PrintByte"(i8 32)
@@ -25,8 +25,10 @@ _llgo_0:
   ret void
 }
 
-declare void @"github.com/goplus/llgo/runtime/internal/runtime.PrintInt"(i64)
+declare void @"github.com/goplus/llgo/runtime/internal/runtime.PrintInt"(i64) #0
 
-declare void @"github.com/goplus/llgo/runtime/internal/runtime.PrintByte"(i8)
+declare void @"github.com/goplus/llgo/runtime/internal/runtime.PrintByte"(i8) #0
 
-declare void @"github.com/goplus/llgo/runtime/internal/runtime.PrintUint"(i64)
+declare void @"github.com/goplus/llgo/runtime/internal/runtime.PrintUint"(i64) #0
+
+attributes #0 = { "frame-pointer"="non-leaf" }
diff --git a/cl/_testgo/reader/out.ll b/cl/_testgo/reader/out.ll
index 49ad7ec3a2..489872244a 100644
--- a/cl/_testgo/reader/out.ll
+++ b/cl/_testgo/reader/out.ll
@@ -172,7 +172,7 @@ source_filename = "github.com/goplus/llgo/cl/_testgo/reader"
 @59 = private unnamed_addr constant [62 x i8] c"strings.Reader.UnreadRune: previous operation was not ReadRune", align 1
 @60 = private unnamed_addr constant [48 x i8] c"stringsReader.WriteTo: invalid WriteString count", align 1
 
-define %"github.com/goplus/llgo/runtime/internal/runtime.iface" @"github.com/goplus/llgo/cl/_testgo/reader.NopCloser"(%"github.com/goplus/llgo/runtime/internal/runtime.iface" %0) {
+define %"github.com/goplus/llgo/runtime/internal/runtime.iface" @"github.com/goplus/llgo/cl/_testgo/reader.NopCloser"(%"github.com/goplus/llgo/runtime/internal/runtime.iface" %0) #0 {
 _llgo_0:
   %1 = call ptr @"github.com/goplus/llgo/runtime/internal/runtime.IfaceType"(%"github.com/goplus/llgo/runtime/internal/runtime.iface" %0)
   %2 = call i1 @"github.com/goplus/llgo/runtime/internal/runtime.Implements"(ptr @"_llgo_github.com/goplus/llgo/cl/_testgo/reader.WriterTo", ptr %1)
@@ -223,7 +223,7 @@ _llgo_5:                                          ; preds = %_llgo_4, %_llgo_3
   br i1 %25, label %_llgo_1, label %_llgo_2
 }
 
-define { %"github.com/goplus/llgo/runtime/internal/runtime.Slice", %"github.com/goplus/llgo/runtime/internal/runtime.iface" } @"github.com/goplus/llgo/cl/_testgo/reader.ReadAll"(%"github.com/goplus/llgo/runtime/internal/runtime.iface" %0) {
+define { %"github.com/goplus/llgo/runtime/internal/runtime.Slice", %"github.com/goplus/llgo/runtime/internal/runtime.iface" } @"github.com/goplus/llgo/cl/_testgo/reader.ReadAll"(%"github.com/goplus/llgo/runtime/internal/runtime.iface" %0) #0 {
 _llgo_0:
   %1 = call ptr @"github.com/goplus/llgo/runtime/internal/runtime.AllocZ"(i64 512)
   %2 = call %"github.com/goplus/llgo/runtime/internal/runtime.Slice" @"github.com/goplus/llgo/runtime/internal/runtime.NewSlice3"(ptr %1, i64 1, i64 512, i64 0, i64 0, i64 512)
@@ -308,7 +308,7 @@ _llgo_6:                                          ; preds = %_llgo_3
   br label %_llgo_1
 }
 
-define { i64, %"github.com/goplus/llgo/runtime/internal/runtime.iface" } @"github.com/goplus/llgo/cl/_testgo/reader.WriteString"(%"github.com/goplus/llgo/runtime/internal/runtime.iface" %0, %"github.com/goplus/llgo/runtime/internal/runtime.String" %1) {
+define { i64, %"github.com/goplus/llgo/runtime/internal/runtime.iface" } @"github.com/goplus/llgo/cl/_testgo/reader.WriteString"(%"github.com/goplus/llgo/runtime/internal/runtime.iface" %0, %"github.com/goplus/llgo/runtime/internal/runtime.String" %1) #0 {
 _llgo_0:
   %2 = call ptr @"github.com/goplus/llgo/runtime/internal/runtime.IfaceType"(%"github.com/goplus/llgo/runtime/internal/runtime.iface" %0)
   %3 = call i1 @"github.com/goplus/llgo/runtime/internal/runtime.Implements"(ptr @"_llgo_github.com/goplus/llgo/cl/_testgo/reader.StringWriter", ptr %2)
@@ -366,14 +366,14 @@ _llgo_5:                                          ; preds = %_llgo_4, %_llgo_3
   br i1 %39, label %_llgo_1, label %_llgo_2
 }
 
-define %"github.com/goplus/llgo/runtime/internal/runtime.String" @"github.com/goplus/llgo/cl/_testgo/reader.(*errorString).Error"(ptr %0) {
+define %"github.com/goplus/llgo/runtime/internal/runtime.String" @"github.com/goplus/llgo/cl/_testgo/reader.(*errorString).Error"(ptr %0) #0 {
 _llgo_0:
   %1 = getelementptr inbounds %"github.com/goplus/llgo/cl/_testgo/reader.errorString", ptr %0, i32 0, i32 0
   %2 = load %"github.com/goplus/llgo/runtime/internal/runtime.String", ptr %1, align 8
   ret %"github.com/goplus/llgo/runtime/internal/runtime.String" %2
 }
 
-define void @"github.com/goplus/llgo/cl/_testgo/reader.init"() {
+define void @"github.com/goplus/llgo/cl/_testgo/reader.init"() #0 {
 _llgo_0:
   %0 = load i1, ptr @"github.com/goplus/llgo/cl/_testgo/reader.init$guard", align 1
   br i1 %0, label %_llgo_2, label %_llgo_1
@@ -391,7 +391,7 @@ _llgo_2:                                          ; preds = %_llgo_1, %_llgo_0
   ret void
 }
 
-define void @"github.com/goplus/llgo/cl/_testgo/reader.main"() {
+define void @"github.com/goplus/llgo/cl/_testgo/reader.main"() #0 {
 _llgo_0:
   %0 = call ptr @"github.com/goplus/llgo/runtime/internal/runtime.AllocZ"(i64 32)
   %1 = getelementptr inbounds %"github.com/goplus/llgo/cl/_testgo/reader.stringReader", ptr %0, i32 0, i32 0
@@ -410,7 +410,7 @@ _llgo_0:
   ret void
 }
 
-define %"github.com/goplus/llgo/runtime/internal/runtime.iface" @"github.com/goplus/llgo/cl/_testgo/reader.newError"(%"github.com/goplus/llgo/runtime/internal/runtime.String" %0) {
+define %"github.com/goplus/llgo/runtime/internal/runtime.iface" @"github.com/goplus/llgo/cl/_testgo/reader.newError"(%"github.com/goplus/llgo/runtime/internal/runtime.String" %0) #0 {
 _llgo_0:
   %1 = call ptr @"github.com/goplus/llgo/runtime/internal/runtime.AllocZ"(i64 16)
   %2 = getelementptr inbounds %"github.com/goplus/llgo/cl/_testgo/reader.errorString", ptr %1, i32 0, i32 0
@@ -421,12 +421,12 @@ _llgo_0:
   ret %"github.com/goplus/llgo/runtime/internal/runtime.iface" %5
 }
 
-define %"github.com/goplus/llgo/runtime/internal/runtime.iface" @"github.com/goplus/llgo/cl/_testgo/reader.nopCloser.Close"(%"github.com/goplus/llgo/cl/_testgo/reader.nopCloser" %0) {
+define %"github.com/goplus/llgo/runtime/internal/runtime.iface" @"github.com/goplus/llgo/cl/_testgo/reader.nopCloser.Close"(%"github.com/goplus/llgo/cl/_testgo/reader.nopCloser" %0) #0 {
 _llgo_0:
   ret %"github.com/goplus/llgo/runtime/internal/runtime.iface" zeroinitializer
 }
 
-define { i64, %"github.com/goplus/llgo/runtime/internal/runtime.iface" } @"github.com/goplus/llgo/cl/_testgo/reader.nopCloser.Read"(%"github.com/goplus/llgo/cl/_testgo/reader.nopCloser" %0, %"github.com/goplus/llgo/runtime/internal/runtime.Slice" %1) {
+define { i64, %"github.com/goplus/llgo/runtime/internal/runtime.iface" } @"github.com/goplus/llgo/cl/_testgo/reader.nopCloser.Read"(%"github.com/goplus/llgo/cl/_testgo/reader.nopCloser" %0, %"github.com/goplus/llgo/runtime/internal/runtime.Slice" %1) #0 {
 _llgo_0:
   %2 = alloca %"github.com/goplus/llgo/cl/_testgo/reader.nopCloser", align 8
   call void @llvm.memset(ptr %2, i8 0, i64 16, i1 false)
@@ -449,14 +449,14 @@ _llgo_0:
   ret { i64, %"github.com/goplus/llgo/runtime/internal/runtime.iface" } %17
 }
 
-define %"github.com/goplus/llgo/runtime/internal/runtime.iface" @"github.com/goplus/llgo/cl/_testgo/reader.(*nopCloser).Close"(ptr %0) {
+define %"github.com/goplus/llgo/runtime/internal/runtime.iface" @"github.com/goplus/llgo/cl/_testgo/reader.(*nopCloser).Close"(ptr %0) #0 {
 _llgo_0:
   %1 = load %"github.com/goplus/llgo/cl/_testgo/reader.nopCloser", ptr %0, align 8
   %2 = call %"github.com/goplus/llgo/runtime/internal/runtime.iface" @"github.com/goplus/llgo/cl/_testgo/reader.nopCloser.Close"(%"github.com/goplus/llgo/cl/_testgo/reader.nopCloser" %1)
   ret %"github.com/goplus/llgo/runtime/internal/runtime.iface" %2
 }
 
-define { i64, %"github.com/goplus/llgo/runtime/internal/runtime.iface" } @"github.com/goplus/llgo/cl/_testgo/reader.(*nopCloser).Read"(ptr %0, %"github.com/goplus/llgo/runtime/internal/runtime.Slice" %1) {
+define { i64, %"github.com/goplus/llgo/runtime/internal/runtime.iface" } @"github.com/goplus/llgo/cl/_testgo/reader.(*nopCloser).Read"(ptr %0, %"github.com/goplus/llgo/runtime/internal/runtime.Slice" %1) #0 {
 _llgo_0:
   %2 = getelementptr inbounds %"github.com/goplus/llgo/cl/_testgo/reader.nopCloser", ptr %0, i32 0, i32 0
   %3 = load %"github.com/goplus/llgo/runtime/internal/runtime.iface", ptr %2, align 8
@@ -476,12 +476,12 @@ _llgo_0:
   ret { i64, %"github.com/goplus/llgo/runtime/internal/runtime.iface" } %16
 }
 
-define %"github.com/goplus/llgo/runtime/internal/runtime.iface" @"github.com/goplus/llgo/cl/_testgo/reader.nopCloserWriterTo.Close"(%"github.com/goplus/llgo/cl/_testgo/reader.nopCloserWriterTo" %0) {
+define %"github.com/goplus/llgo/runtime/internal/runtime.iface" @"github.com/goplus/llgo/cl/_testgo/reader.nopCloserWriterTo.Close"(%"github.com/goplus/llgo/cl/_testgo/reader.nopCloserWriterTo" %0) #0 {
 _llgo_0:
   ret %"github.com/goplus/llgo/runtime/internal/runtime.iface" zeroinitializer
 }
 
-define { i64, %"github.com/goplus/llgo/runtime/internal/runtime.iface" } @"github.com/goplus/llgo/cl/_testgo/reader.nopCloserWriterTo.Read"(%"github.com/goplus/llgo/cl/_testgo/reader.nopCloserWriterTo" %0, %"github.com/goplus/llgo/runtime/internal/runtime.Slice" %1) {
+define { i64, %"github.com/goplus/llgo/runtime/internal/runtime.iface" } @"github.com/goplus/llgo/cl/_testgo/reader.nopCloserWriterTo.Read"(%"github.com/goplus/llgo/cl/_testgo/reader.nopCloserWriterTo" %0, %"github.com/goplus/llgo/runtime/internal/runtime.Slice" %1) #0 {
 _llgo_0:
   %2 = alloca %"github.com/goplus/llgo/cl/_testgo/reader.nopCloserWriterTo", align 8
   call void @llvm.memset(ptr %2, i8 0, i64 16, i1 false)
@@ -504,7 +504,7 @@ _llgo_0:
   ret { i64, %"github.com/goplus/llgo/runtime/internal/runtime.iface" } %17
 }
 
-define { i64, %"github.com/goplus/llgo/runtime/internal/runtime.iface" } @"github.com/goplus/llgo/cl/_testgo/reader.nopCloserWriterTo.WriteTo"(%"github.com/goplus/llgo/cl/_testgo/reader.nopCloserWriterTo" %0, %"github.com/goplus/llgo/runtime/internal/runtime.iface" %1) {
+define { i64, %"github.com/goplus/llgo/runtime/internal/runtime.iface" } @"github.com/goplus/llgo/cl/_testgo/reader.nopCloserWriterTo.WriteTo"(%"github.com/goplus/llgo/cl/_testgo/reader.nopCloserWriterTo" %0, %"github.com/goplus/llgo/runtime/internal/runtime.iface" %1) #0 {
 _llgo_0:
   %2 = alloca %"github.com/goplus/llgo/cl/_testgo/reader.nopCloserWriterTo", align 8
   call void @llvm.memset(ptr %2, i8 0, i64 16, i1 false)
@@ -543,14 +543,14 @@ _llgo_2:                                          ; preds = %_llgo_0
   unreachable
 }
 
-define %"github.com/goplus/llgo/runtime/internal/runtime.iface" @"github.com/goplus/llgo/cl/_testgo/reader.(*nopCloserWriterTo).Close"(ptr %0) {
+define %"github.com/goplus/llgo/runtime/internal/runtime.iface" @"github.com/goplus/llgo/cl/_testgo/reader.(*nopCloserWriterTo).Close"(ptr %0) #0 {
 _llgo_0:
   %1 = load %"github.com/goplus/llgo/cl/_testgo/reader.nopCloserWriterTo", ptr %0, align 8
   %2 = call %"github.com/goplus/llgo/runtime/internal/runtime.iface" @"github.com/goplus/llgo/cl/_testgo/reader.nopCloserWriterTo.Close"(%"github.com/goplus/llgo/cl/_testgo/reader.nopCloserWriterTo" %1)
   ret %"github.com/goplus/llgo/runtime/internal/runtime.iface" %2
 }
 
-define { i64, %"github.com/goplus/llgo/runtime/internal/runtime.iface" } @"github.com/goplus/llgo/cl/_testgo/reader.(*nopCloserWriterTo).Read"(ptr %0, %"github.com/goplus/llgo/runtime/internal/runtime.Slice" %1) {
+define { i64, %"github.com/goplus/llgo/runtime/internal/runtime.iface" } @"github.com/goplus/llgo/cl/_testgo/reader.(*nopCloserWriterTo).Read"(ptr %0, %"github.com/goplus/llgo/runtime/internal/runtime.Slice" %1) #0 {
 _llgo_0:
   %2 = getelementptr inbounds %"github.com/goplus/llgo/cl/_testgo/reader.nopCloserWriterTo", ptr %0, i32 0, i32 0
   %3 = load %"github.com/goplus/llgo/runtime/internal/runtime.iface", ptr %2, align 8
@@ -570,7 +570,7 @@ _llgo_0:
   ret { i64, %"github.com/goplus/llgo/runtime/internal/runtime.iface" } %16
 }
 
-define { i64, %"github.com/goplus/llgo/runtime/internal/runtime.iface" } @"github.com/goplus/llgo/cl/_testgo/reader.(*nopCloserWriterTo).WriteTo"(ptr %0, %"github.com/goplus/llgo/runtime/internal/runtime.iface" %1) {
+define { i64, %"github.com/goplus/llgo/runtime/internal/runtime.iface" } @"github.com/goplus/llgo/cl/_testgo/reader.(*nopCloserWriterTo).WriteTo"(ptr %0, %"github.com/goplus/llgo/runtime/internal/runtime.iface" %1) #0 {
 _llgo_0:
   %2 = load %"github.com/goplus/llgo/cl/_testgo/reader.nopCloserWriterTo", ptr %0, align 8
   %3 = call { i64, %"github.com/goplus/llgo/runtime/internal/runtime.iface" } @"github.com/goplus/llgo/cl/_testgo/reader.nopCloserWriterTo.WriteTo"(%"github.com/goplus/llgo/cl/_testgo/reader.nopCloserWriterTo" %2, %"github.com/goplus/llgo/runtime/internal/runtime.iface" %1)
@@ -581,7 +581,7 @@ _llgo_0:
   ret { i64, %"github.com/goplus/llgo/runtime/internal/runtime.iface" } %7
 }
 
-define i64 @"github.com/goplus/llgo/cl/_testgo/reader.(*stringReader).Len"(ptr %0) {
+define i64 @"github.com/goplus/llgo/cl/_testgo/reader.(*stringReader).Len"(ptr %0) #0 {
 _llgo_0:
   %1 = getelementptr inbounds %"github.com/goplus/llgo/cl/_testgo/reader.stringReader", ptr %0, i32 0, i32 1
   %2 = load i64, ptr %1, align 4
@@ -604,7 +604,7 @@ _llgo_2:                                          ; preds = %_llgo_0
   ret i64 %12
 }
 
-define { i64, %"github.com/goplus/llgo/runtime/internal/runtime.iface" } @"github.com/goplus/llgo/cl/_testgo/reader.(*stringReader).Read"(ptr %0, %"github.com/goplus/llgo/runtime/internal/runtime.Slice" %1) {
+define { i64, %"github.com/goplus/llgo/runtime/internal/runtime.iface" } @"github.com/goplus/llgo/cl/_testgo/reader.(*stringReader).Read"(ptr %0, %"github.com/goplus/llgo/runtime/internal/runtime.Slice" %1) #0 {
 _llgo_0:
   %2 = getelementptr inbounds %"github.com/goplus/llgo/cl/_testgo/reader.stringReader", ptr %0, i32 0, i32 1
   %3 = load i64, ptr %2, align 4
@@ -641,7 +641,7 @@ _llgo_2:                                          ; preds = %_llgo_0
   ret { i64, %"github.com/goplus/llgo/runtime/internal/runtime.iface" } %25
 }
 
-define { i64, %"github.com/goplus/llgo/runtime/internal/runtime.iface" } @"github.com/goplus/llgo/cl/_testgo/reader.(*stringReader).ReadAt"(ptr %0, %"github.com/goplus/llgo/runtime/internal/runtime.Slice" %1, i64 %2) {
+define { i64, %"github.com/goplus/llgo/runtime/internal/runtime.iface" } @"github.com/goplus/llgo/cl/_testgo/reader.(*stringReader).ReadAt"(ptr %0, %"github.com/goplus/llgo/runtime/internal/runtime.Slice" %1, i64 %2) #0 {
 _llgo_0:
   %3 = icmp slt i64 %2, 0
   br i1 %3, label %_llgo_1, label %_llgo_2
@@ -686,7 +686,7 @@ _llgo_6:                                          ; preds = %_llgo_5, %_llgo_4
   ret { i64, %"github.com/goplus/llgo/runtime/internal/runtime.iface" } %24
 }
 
-define { i8, %"github.com/goplus/llgo/runtime/internal/runtime.iface" } @"github.com/goplus/llgo/cl/_testgo/reader.(*stringReader).ReadByte"(ptr %0) {
+define { i8, %"github.com/goplus/llgo/runtime/internal/runtime.iface" } @"github.com/goplus/llgo/cl/_testgo/reader.(*stringReader).ReadByte"(ptr %0) #0 {
 _llgo_0:
   %1 = getelementptr inbounds %"github.com/goplus/llgo/cl/_testgo/reader.stringReader", ptr %0, i32 0, i32 2
   store i64 -1, ptr %1, align 4
@@ -726,7 +726,7 @@ _llgo_2:                                          ; preds = %_llgo_0
   ret { i8, %"github.com/goplus/llgo/runtime/internal/runtime.iface" } %26
 }
 
-define { i32, i64, %"github.com/goplus/llgo/runtime/internal/runtime.iface" } @"github.com/goplus/llgo/cl/_testgo/reader.(*stringReader).ReadRune"(ptr %0) {
+define { i32, i64, %"github.com/goplus/llgo/runtime/internal/runtime.iface" } @"github.com/goplus/llgo/cl/_testgo/reader.(*stringReader).ReadRune"(ptr %0) #0 {
 _llgo_0:
   %1 = getelementptr inbounds %"github.com/goplus/llgo/cl/_testgo/reader.stringReader", ptr %0, i32 0, i32 1
   %2 = load i64, ptr %1, align 4
@@ -796,7 +796,7 @@ _llgo_4:                                          ; preds = %_llgo_2
   ret { i32, i64, %"github.com/goplus/llgo/runtime/internal/runtime.iface" } %48
 }
 
-define { i64, %"github.com/goplus/llgo/runtime/internal/runtime.iface" } @"github.com/goplus/llgo/cl/_testgo/reader.(*stringReader).Seek"(ptr %0, i64 %1, i64 %2) {
+define { i64, %"github.com/goplus/llgo/runtime/internal/runtime.iface" } @"github.com/goplus/llgo/cl/_testgo/reader.(*stringReader).Seek"(ptr %0, i64 %1, i64 %2) #0 {
 _llgo_0:
   %3 = getelementptr inbounds %"github.com/goplus/llgo/cl/_testgo/reader.stringReader", ptr %0, i32 0, i32 2
   store i64 -1, ptr %3, align 4
@@ -850,7 +850,7 @@ _llgo_9:                                          ; preds = %_llgo_1
   ret { i64, %"github.com/goplus/llgo/runtime/internal/runtime.iface" } %22
 }
 
-define i64 @"github.com/goplus/llgo/cl/_testgo/reader.(*stringReader).Size"(ptr %0) {
+define i64 @"github.com/goplus/llgo/cl/_testgo/reader.(*stringReader).Size"(ptr %0) #0 {
 _llgo_0:
   %1 = getelementptr inbounds %"github.com/goplus/llgo/cl/_testgo/reader.stringReader", ptr %0, i32 0, i32 0
   %2 = load %"github.com/goplus/llgo/runtime/internal/runtime.String", ptr %1, align 8
@@ -858,7 +858,7 @@ _llgo_0:
   ret i64 %3
 }
 
-define %"github.com/goplus/llgo/runtime/internal/runtime.iface" @"github.com/goplus/llgo/cl/_testgo/reader.(*stringReader).UnreadByte"(ptr %0) {
+define %"github.com/goplus/llgo/runtime/internal/runtime.iface" @"github.com/goplus/llgo/cl/_testgo/reader.(*stringReader).UnreadByte"(ptr %0) #0 {
 _llgo_0:
   %1 = getelementptr inbounds %"github.com/goplus/llgo/cl/_testgo/reader.stringReader", ptr %0, i32 0, i32 1
   %2 = load i64, ptr %1, align 4
@@ -880,7 +880,7 @@ _llgo_2:                                          ; preds = %_llgo_0
   ret %"github.com/goplus/llgo/runtime/internal/runtime.iface" zeroinitializer
 }
 
-define %"github.com/goplus/llgo/runtime/internal/runtime.iface" @"github.com/goplus/llgo/cl/_testgo/reader.(*stringReader).UnreadRune"(ptr %0) {
+define %"github.com/goplus/llgo/runtime/internal/runtime.iface" @"github.com/goplus/llgo/cl/_testgo/reader.(*stringReader).UnreadRune"(ptr %0) #0 {
 _llgo_0:
   %1 = getelementptr inbounds %"github.com/goplus/llgo/cl/_testgo/reader.stringReader", ptr %0, i32 0, i32 1
   %2 = load i64, ptr %1, align 4
@@ -911,7 +911,7 @@ _llgo_4:                                          ; preds = %_llgo_2
   ret %"github.com/goplus/llgo/runtime/internal/runtime.iface" zeroinitializer
 }
 
-define { i64, %"github.com/goplus/llgo/runtime/internal/runtime.iface" } @"github.com/goplus/llgo/cl/_testgo/reader.(*stringReader).WriteTo"(ptr %0, %"github.com/goplus/llgo/runtime/internal/runtime.iface" %1) {
+define { i64, %"github.com/goplus/llgo/runtime/internal/runtime.iface" } @"github.com/goplus/llgo/cl/_testgo/reader.(*stringReader).WriteTo"(ptr %0, %"github.com/goplus/llgo/runtime/internal/runtime.iface" %1) #0 {
 _llgo_0:
   %2 = getelementptr inbounds %"github.com/goplus/llgo/cl/_testgo/reader.stringReader", ptr %0, i32 0, i32 2
   store i64 -1, ptr %2, align 4
@@ -979,97 +979,98 @@ _llgo_7:                                          ; preds = %_llgo_4
   br i1 %39, label %_llgo_5, label %_llgo_6
 }
 
-declare ptr @"github.com/goplus/llgo/runtime/internal/runtime.IfaceType"(%"github.com/goplus/llgo/runtime/internal/runtime.iface")
+declare ptr @"github.com/goplus/llgo/runtime/internal/runtime.IfaceType"(%"github.com/goplus/llgo/runtime/internal/runtime.iface") #0
 
-declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.interequal"(ptr, ptr)
+declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.interequal"(ptr, ptr) #0
 
-define linkonce i1 @"__llgo_stub.github.com/goplus/llgo/runtime/internal/runtime.interequal"(ptr %0, ptr %1, ptr %2) {
+define linkonce i1 @"__llgo_stub.github.com/goplus/llgo/runtime/internal/runtime.interequal"(ptr %0, ptr %1, ptr %2) #0 {
 _llgo_0:
   %3 = tail call i1 @"github.com/goplus/llgo/runtime/internal/runtime.interequal"(ptr %1, ptr %2)
   ret i1 %3
 }
 
-declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.memequalptr"(ptr, ptr)
+declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.memequalptr"(ptr, ptr) #0
 
-define linkonce i1 @"__llgo_stub.github.com/goplus/llgo/runtime/internal/runtime.memequalptr"(ptr %0, ptr %1, ptr %2) {
+define linkonce i1 @"__llgo_stub.github.com/goplus/llgo/runtime/internal/runtime.memequalptr"(ptr %0, ptr %1, ptr %2) #0 {
 _llgo_0:
   %3 = tail call i1 @"github.com/goplus/llgo/runtime/internal/runtime.memequalptr"(ptr %1, ptr %2)
   ret i1 %3
 }
 
-declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.memequal8"(ptr, ptr)
+declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.memequal8"(ptr, ptr) #0
 
-define linkonce i1 @"__llgo_stub.github.com/goplus/llgo/runtime/internal/runtime.memequal8"(ptr %0, ptr %1, ptr %2) {
+define linkonce i1 @"__llgo_stub.github.com/goplus/llgo/runtime/internal/runtime.memequal8"(ptr %0, ptr %1, ptr %2) #0 {
 _llgo_0:
   %3 = tail call i1 @"github.com/goplus/llgo/runtime/internal/runtime.memequal8"(ptr %1, ptr %2)
   ret i1 %3
 }
 
-declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.memequal64"(ptr, ptr)
+declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.memequal64"(ptr, ptr) #0
 
-define linkonce i1 @"__llgo_stub.github.com/goplus/llgo/runtime/internal/runtime.memequal64"(ptr %0, ptr %1, ptr %2) {
+define linkonce i1 @"__llgo_stub.github.com/goplus/llgo/runtime/internal/runtime.memequal64"(ptr %0, ptr %1, ptr %2) #0 {
 _llgo_0:
   %3 = tail call i1 @"github.com/goplus/llgo/runtime/internal/runtime.memequal64"(ptr %1, ptr %2)
   ret i1 %3
 }
 
-declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.strequal"(ptr, ptr)
+declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.strequal"(ptr, ptr) #0
 
-define linkonce i1 @"__llgo_stub.github.com/goplus/llgo/runtime/internal/runtime.strequal"(ptr %0, ptr %1, ptr %2) {
+define linkonce i1 @"__llgo_stub.github.com/goplus/llgo/runtime/internal/runtime.strequal"(ptr %0, ptr %1, ptr %2) #0 {
 _llgo_0:
   %3 = tail call i1 @"github.com/goplus/llgo/runtime/internal/runtime.strequal"(ptr %1, ptr %2)
   ret i1 %3
 }
 
-declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.Implements"(ptr, ptr)
+declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.Implements"(ptr, ptr) #0
 
-declare ptr @"github.com/goplus/llgo/runtime/internal/runtime.NewItab"(ptr, ptr)
+declare ptr @"github.com/goplus/llgo/runtime/internal/runtime.NewItab"(ptr, ptr) #0
 
 ; Function Attrs: nocallback nofree nounwind willreturn memory(argmem: write)
-declare void @llvm.memset(ptr nocapture writeonly, i8, i64, i1 immarg) #0
+declare void @llvm.memset(ptr nocapture writeonly, i8, i64, i1 immarg) #1
 
-declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.structequal"(ptr, ptr, ptr)
+declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.structequal"(ptr, ptr, ptr) #0
 
-declare ptr @"github.com/goplus/llgo/runtime/internal/runtime.AllocU"(i64)
+declare ptr @"github.com/goplus/llgo/runtime/internal/runtime.AllocU"(i64) #0
 
-declare ptr @"github.com/goplus/llgo/runtime/internal/runtime.AllocZ"(i64)
+declare ptr @"github.com/goplus/llgo/runtime/internal/runtime.AllocZ"(i64) #0
 
-declare %"github.com/goplus/llgo/runtime/internal/runtime.Slice" @"github.com/goplus/llgo/runtime/internal/runtime.NewSlice3"(ptr, i64, i64, i64, i64, i64)
+declare %"github.com/goplus/llgo/runtime/internal/runtime.Slice" @"github.com/goplus/llgo/runtime/internal/runtime.NewSlice3"(ptr, i64, i64, i64, i64, i64) #0
 
-declare ptr @"github.com/goplus/llgo/runtime/internal/runtime.IfacePtrData"(%"github.com/goplus/llgo/runtime/internal/runtime.iface")
+declare ptr @"github.com/goplus/llgo/runtime/internal/runtime.IfacePtrData"(%"github.com/goplus/llgo/runtime/internal/runtime.iface") #0
 
-declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.EfaceEqual"(%"github.com/goplus/llgo/runtime/internal/runtime.eface", %"github.com/goplus/llgo/runtime/internal/runtime.eface")
+declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.EfaceEqual"(%"github.com/goplus/llgo/runtime/internal/runtime.eface", %"github.com/goplus/llgo/runtime/internal/runtime.eface") #0
 
-declare %"github.com/goplus/llgo/runtime/internal/runtime.Slice" @"github.com/goplus/llgo/runtime/internal/runtime.SliceAppend"(%"github.com/goplus/llgo/runtime/internal/runtime.Slice", ptr, i64, i64)
+declare %"github.com/goplus/llgo/runtime/internal/runtime.Slice" @"github.com/goplus/llgo/runtime/internal/runtime.SliceAppend"(%"github.com/goplus/llgo/runtime/internal/runtime.Slice", ptr, i64, i64) #0
 
-declare %"github.com/goplus/llgo/runtime/internal/runtime.Slice" @"github.com/goplus/llgo/runtime/internal/runtime.StringToBytes"(%"github.com/goplus/llgo/runtime/internal/runtime.String")
+declare %"github.com/goplus/llgo/runtime/internal/runtime.Slice" @"github.com/goplus/llgo/runtime/internal/runtime.StringToBytes"(%"github.com/goplus/llgo/runtime/internal/runtime.String") #0
 
-declare void @"unicode/utf8.init"()
+declare void @"unicode/utf8.init"() #0
 
-declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.memequal32"(ptr, ptr)
+declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.memequal32"(ptr, ptr) #0
 
-define linkonce i1 @"__llgo_stub.github.com/goplus/llgo/runtime/internal/runtime.memequal32"(ptr %0, ptr %1, ptr %2) {
+define linkonce i1 @"__llgo_stub.github.com/goplus/llgo/runtime/internal/runtime.memequal32"(ptr %0, ptr %1, ptr %2) #0 {
 _llgo_0:
   %3 = tail call i1 @"github.com/goplus/llgo/runtime/internal/runtime.memequal32"(ptr %1, ptr %2)
   ret i1 %3
 }
 
-declare %"github.com/goplus/llgo/runtime/internal/runtime.String" @"github.com/goplus/llgo/runtime/internal/runtime.StringFromBytes"(%"github.com/goplus/llgo/runtime/internal/runtime.Slice")
+declare %"github.com/goplus/llgo/runtime/internal/runtime.String" @"github.com/goplus/llgo/runtime/internal/runtime.StringFromBytes"(%"github.com/goplus/llgo/runtime/internal/runtime.Slice") #0
 
-declare void @"github.com/goplus/llgo/runtime/internal/runtime.PrintString"(%"github.com/goplus/llgo/runtime/internal/runtime.String")
+declare void @"github.com/goplus/llgo/runtime/internal/runtime.PrintString"(%"github.com/goplus/llgo/runtime/internal/runtime.String") #0
 
-declare void @"github.com/goplus/llgo/runtime/internal/runtime.PrintByte"(i8)
+declare void @"github.com/goplus/llgo/runtime/internal/runtime.PrintByte"(i8) #0
 
-declare void @"github.com/goplus/llgo/runtime/internal/runtime.PrintIface"(%"github.com/goplus/llgo/runtime/internal/runtime.iface")
+declare void @"github.com/goplus/llgo/runtime/internal/runtime.PrintIface"(%"github.com/goplus/llgo/runtime/internal/runtime.iface") #0
 
-declare void @"github.com/goplus/llgo/runtime/internal/runtime.Panic"(%"github.com/goplus/llgo/runtime/internal/runtime.eface")
+declare void @"github.com/goplus/llgo/runtime/internal/runtime.Panic"(%"github.com/goplus/llgo/runtime/internal/runtime.eface") #0
 
-declare %"github.com/goplus/llgo/runtime/internal/runtime.String" @"github.com/goplus/llgo/runtime/internal/runtime.StringSlice"(%"github.com/goplus/llgo/runtime/internal/runtime.String", i64, i64)
+declare %"github.com/goplus/llgo/runtime/internal/runtime.String" @"github.com/goplus/llgo/runtime/internal/runtime.StringSlice"(%"github.com/goplus/llgo/runtime/internal/runtime.String", i64, i64) #0
 
-declare i64 @"github.com/goplus/llgo/runtime/internal/runtime.SliceCopy"(%"github.com/goplus/llgo/runtime/internal/runtime.Slice", ptr, i64, i64)
+declare i64 @"github.com/goplus/llgo/runtime/internal/runtime.SliceCopy"(%"github.com/goplus/llgo/runtime/internal/runtime.Slice", ptr, i64, i64) #0
 
-declare void @"github.com/goplus/llgo/runtime/internal/runtime.AssertIndexRange"(i1)
+declare void @"github.com/goplus/llgo/runtime/internal/runtime.AssertIndexRange"(i1) #0
 
-declare { i32, i64 } @"unicode/utf8.DecodeRuneInString"(%"github.com/goplus/llgo/runtime/internal/runtime.String")
+declare { i32, i64 } @"unicode/utf8.DecodeRuneInString"(%"github.com/goplus/llgo/runtime/internal/runtime.String") #0
 
-attributes #0 = { nocallback nofree nounwind willreturn memory(argmem: write) }
+attributes #0 = { "frame-pointer"="non-leaf" }
+attributes #1 = { nocallback nofree nounwind willreturn memory(argmem: write) "frame-pointer"="non-leaf" }
diff --git a/cl/_testgo/reflect/out.ll b/cl/_testgo/reflect/out.ll
index 01be862f48..73f320a037 100644
--- a/cl/_testgo/reflect/out.ll
+++ b/cl/_testgo/reflect/out.ll
@@ -116,7 +116,7 @@ source_filename = "github.com/goplus/llgo/cl/_testgo/reflect"
 @43 = private unnamed_addr constant [12 x i8] c"must invalid", align 1
 @44 = private unnamed_addr constant [13 x i8] c"MapIter error", align 1
 
-define i64 @"github.com/goplus/llgo/cl/_testgo/reflect.(*T).Add"(ptr %0, i64 %1) {
+define i64 @"github.com/goplus/llgo/cl/_testgo/reflect.(*T).Add"(ptr %0, i64 %1) #0 {
 _llgo_0:
   call void @"github.com/goplus/llgo/runtime/internal/runtime.PrintString"(%"github.com/goplus/llgo/runtime/internal/runtime.String" { ptr @0, i64 11 })
   call void @"github.com/goplus/llgo/runtime/internal/runtime.PrintByte"(i8 10)
@@ -130,7 +130,7 @@ _llgo_0:
   ret i64 %7
 }
 
-define void @"github.com/goplus/llgo/cl/_testgo/reflect.callClosure"() {
+define void @"github.com/goplus/llgo/cl/_testgo/reflect.callClosure"() #0 {
 _llgo_0:
   %0 = call ptr @"github.com/goplus/llgo/runtime/internal/runtime.AllocZ"(i64 8)
   store i64 100, ptr %0, align 4
@@ -211,7 +211,7 @@ _llgo_5:                                          ; preds = %_llgo_4, %_llgo_3
   br i1 %45, label %_llgo_2, label %_llgo_1
 }
 
-define i64 @"github.com/goplus/llgo/cl/_testgo/reflect.callClosure$1"(ptr %0, i64 %1) {
+define i64 @"github.com/goplus/llgo/cl/_testgo/reflect.callClosure$1"(ptr %0, i64 %1) #0 {
 _llgo_0:
   call void @"github.com/goplus/llgo/runtime/internal/runtime.PrintString"(%"github.com/goplus/llgo/runtime/internal/runtime.String" { ptr @10, i64 12 })
   call void @"github.com/goplus/llgo/runtime/internal/runtime.PrintByte"(i8 10)
@@ -223,7 +223,7 @@ _llgo_0:
   ret i64 %6
 }
 
-define void @"github.com/goplus/llgo/cl/_testgo/reflect.callFunc"() {
+define void @"github.com/goplus/llgo/cl/_testgo/reflect.callFunc"() #0 {
 _llgo_0:
   %0 = call ptr @"github.com/goplus/llgo/runtime/internal/runtime.AllocU"(i64 16)
   store { ptr, ptr } { ptr @"__llgo_stub.github.com/goplus/llgo/cl/_testgo/reflect.callFunc$1", ptr null }, ptr %0, align 8
@@ -298,7 +298,7 @@ _llgo_5:                                          ; preds = %_llgo_4, %_llgo_3
   br i1 %41, label %_llgo_2, label %_llgo_1
 }
 
-define i64 @"github.com/goplus/llgo/cl/_testgo/reflect.callFunc$1"(i64 %0) {
+define i64 @"github.com/goplus/llgo/cl/_testgo/reflect.callFunc$1"(i64 %0) #0 {
 _llgo_0:
   call void @"github.com/goplus/llgo/runtime/internal/runtime.PrintString"(%"github.com/goplus/llgo/runtime/internal/runtime.String" { ptr @12, i64 9 })
   call void @"github.com/goplus/llgo/runtime/internal/runtime.PrintByte"(i8 10)
@@ -306,7 +306,7 @@ _llgo_0:
   ret i64 %1
 }
 
-define void @"github.com/goplus/llgo/cl/_testgo/reflect.callIMethod"() {
+define void @"github.com/goplus/llgo/cl/_testgo/reflect.callIMethod"() #0 {
 _llgo_0:
   %0 = call ptr @"github.com/goplus/llgo/runtime/internal/runtime.AllocZ"(i64 8)
   %1 = getelementptr inbounds %"github.com/goplus/llgo/cl/_testgo/reflect.T", ptr %0, i32 0, i32 0
@@ -408,7 +408,7 @@ _llgo_5:                                          ; preds = %_llgo_4, %_llgo_3
   br i1 %64, label %_llgo_2, label %_llgo_1
 }
 
-define void @"github.com/goplus/llgo/cl/_testgo/reflect.callMethod"() {
+define void @"github.com/goplus/llgo/cl/_testgo/reflect.callMethod"() #0 {
 _llgo_0:
   %0 = call ptr @"github.com/goplus/llgo/runtime/internal/runtime.AllocZ"(i64 8)
   %1 = getelementptr inbounds %"github.com/goplus/llgo/cl/_testgo/reflect.T", ptr %0, i32 0, i32 0
@@ -504,7 +504,7 @@ _llgo_5:                                          ; preds = %_llgo_4, %_llgo_3
   br i1 %58, label %_llgo_2, label %_llgo_1
 }
 
-define void @"github.com/goplus/llgo/cl/_testgo/reflect.callSlice"() {
+define void @"github.com/goplus/llgo/cl/_testgo/reflect.callSlice"() #0 {
 _llgo_0:
   %0 = call ptr @"github.com/goplus/llgo/runtime/internal/runtime.AllocU"(i64 16)
   store { ptr, ptr } { ptr @"__llgo_stub.github.com/goplus/llgo/cl/_testgo/reflect.demo", ptr null }, ptr %0, align 8
@@ -625,7 +625,7 @@ _llgo_0:
   ret void
 }
 
-define { i64, i64 } @"github.com/goplus/llgo/cl/_testgo/reflect.demo"(i64 %0, i64 %1, i64 %2, i64 %3, i64 %4, i64 %5, i64 %6, i64 %7, i64 %8, %"github.com/goplus/llgo/runtime/internal/runtime.Slice" %9) {
+define { i64, i64 } @"github.com/goplus/llgo/cl/_testgo/reflect.demo"(i64 %0, i64 %1, i64 %2, i64 %3, i64 %4, i64 %5, i64 %6, i64 %7, i64 %8, %"github.com/goplus/llgo/runtime/internal/runtime.Slice" %9) #0 {
 _llgo_0:
   %10 = extractvalue %"github.com/goplus/llgo/runtime/internal/runtime.Slice" %9, 1
   br label %_llgo_1
@@ -677,7 +677,7 @@ _llgo_5:                                          ; preds = %_llgo_2
   unreachable
 }
 
-define void @"github.com/goplus/llgo/cl/_testgo/reflect.init"() {
+define void @"github.com/goplus/llgo/cl/_testgo/reflect.init"() #0 {
 _llgo_0:
   %0 = load i1, ptr @"github.com/goplus/llgo/cl/_testgo/reflect.init$guard", align 1
   br i1 %0, label %_llgo_2, label %_llgo_1
@@ -691,7 +691,7 @@ _llgo_2:                                          ; preds = %_llgo_1, %_llgo_0
   ret void
 }
 
-define void @"github.com/goplus/llgo/cl/_testgo/reflect.main"() {
+define void @"github.com/goplus/llgo/cl/_testgo/reflect.main"() #0 {
 _llgo_0:
   call void @"github.com/goplus/llgo/cl/_testgo/reflect.callSlice"()
   call void @"github.com/goplus/llgo/cl/_testgo/reflect.callFunc"()
@@ -703,7 +703,7 @@ _llgo_0:
   ret void
 }
 
-define void @"github.com/goplus/llgo/cl/_testgo/reflect.mapDemo1"() {
+define void @"github.com/goplus/llgo/cl/_testgo/reflect.mapDemo1"() #0 {
 _llgo_0:
   %0 = call ptr @"github.com/goplus/llgo/runtime/internal/runtime.MakeMap"(ptr @"map[_llgo_int]_llgo_string", i64 2)
   %1 = call ptr @"github.com/goplus/llgo/runtime/internal/runtime.AllocU"(i64 8)
@@ -840,7 +840,7 @@ _llgo_14:                                         ; preds = %_llgo_10
   br i1 %71, label %_llgo_13, label %_llgo_12
 }
 
-define void @"github.com/goplus/llgo/cl/_testgo/reflect.mapDemo2"() {
+define void @"github.com/goplus/llgo/cl/_testgo/reflect.mapDemo2"() #0 {
 _llgo_0:
   %0 = call %"github.com/goplus/llgo/runtime/internal/runtime.iface" @reflect.TypeOf(%"github.com/goplus/llgo/runtime/internal/runtime.eface" { ptr @_llgo_int, ptr null })
   %1 = call ptr @"github.com/goplus/llgo/runtime/internal/runtime.AllocU"(i64 16)
@@ -985,150 +985,152 @@ _llgo_14:                                         ; preds = %_llgo_10
   br i1 %78, label %_llgo_13, label %_llgo_12
 }
 
-declare void @"github.com/goplus/llgo/runtime/internal/runtime.PrintString"(%"github.com/goplus/llgo/runtime/internal/runtime.String")
+declare void @"github.com/goplus/llgo/runtime/internal/runtime.PrintString"(%"github.com/goplus/llgo/runtime/internal/runtime.String") #0
 
-declare void @"github.com/goplus/llgo/runtime/internal/runtime.PrintByte"(i8)
+declare void @"github.com/goplus/llgo/runtime/internal/runtime.PrintByte"(i8) #0
 
-declare ptr @"github.com/goplus/llgo/runtime/internal/runtime.AllocZ"(i64)
+declare ptr @"github.com/goplus/llgo/runtime/internal/runtime.AllocZ"(i64) #0
 
-declare ptr @"github.com/goplus/llgo/runtime/internal/runtime.AllocU"(i64)
+declare ptr @"github.com/goplus/llgo/runtime/internal/runtime.AllocU"(i64) #0
 
-declare %reflect.Value @reflect.ValueOf(%"github.com/goplus/llgo/runtime/internal/runtime.eface")
+declare %reflect.Value @reflect.ValueOf(%"github.com/goplus/llgo/runtime/internal/runtime.eface") #0
 
-declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.memequalptr"(ptr, ptr)
+declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.memequalptr"(ptr, ptr) #0
 
-define linkonce i1 @"__llgo_stub.github.com/goplus/llgo/runtime/internal/runtime.memequalptr"(ptr %0, ptr %1, ptr %2) {
+define linkonce i1 @"__llgo_stub.github.com/goplus/llgo/runtime/internal/runtime.memequalptr"(ptr %0, ptr %1, ptr %2) #0 {
 _llgo_0:
   %3 = tail call i1 @"github.com/goplus/llgo/runtime/internal/runtime.memequalptr"(ptr %1, ptr %2)
   ret i1 %3
 }
 
-declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.memequal64"(ptr, ptr)
+declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.memequal64"(ptr, ptr) #0
 
-define linkonce i1 @"__llgo_stub.github.com/goplus/llgo/runtime/internal/runtime.memequal64"(ptr %0, ptr %1, ptr %2) {
+define linkonce i1 @"__llgo_stub.github.com/goplus/llgo/runtime/internal/runtime.memequal64"(ptr %0, ptr %1, ptr %2) #0 {
 _llgo_0:
   %3 = tail call i1 @"github.com/goplus/llgo/runtime/internal/runtime.memequal64"(ptr %1, ptr %2)
   ret i1 %3
 }
 
-declare i64 @reflect.Value.Kind(%reflect.Value)
+declare i64 @reflect.Value.Kind(%reflect.Value) #0
 
-declare %"github.com/goplus/llgo/runtime/internal/runtime.iface" @reflect.Value.Type(%reflect.Value)
+declare %"github.com/goplus/llgo/runtime/internal/runtime.iface" @reflect.Value.Type(%reflect.Value) #0
 
-declare ptr @"github.com/goplus/llgo/runtime/internal/runtime.IfacePtrData"(%"github.com/goplus/llgo/runtime/internal/runtime.iface")
+declare ptr @"github.com/goplus/llgo/runtime/internal/runtime.IfacePtrData"(%"github.com/goplus/llgo/runtime/internal/runtime.iface") #0
 
-declare void @"github.com/goplus/llgo/runtime/internal/runtime.PrintUint"(i64)
+declare void @"github.com/goplus/llgo/runtime/internal/runtime.PrintUint"(i64) #0
 
-declare %"github.com/goplus/llgo/runtime/internal/runtime.Slice" @reflect.Value.Call(%reflect.Value, %"github.com/goplus/llgo/runtime/internal/runtime.Slice")
+declare %"github.com/goplus/llgo/runtime/internal/runtime.Slice" @reflect.Value.Call(%reflect.Value, %"github.com/goplus/llgo/runtime/internal/runtime.Slice") #0
 
-declare void @"github.com/goplus/llgo/runtime/internal/runtime.AssertIndexRange"(i1)
+declare void @"github.com/goplus/llgo/runtime/internal/runtime.AssertIndexRange"(i1) #0
 
-declare i64 @reflect.Value.Int(%reflect.Value)
+declare i64 @reflect.Value.Int(%reflect.Value) #0
 
-declare void @"github.com/goplus/llgo/runtime/internal/runtime.PrintInt"(i64)
+declare void @"github.com/goplus/llgo/runtime/internal/runtime.PrintInt"(i64) #0
 
-declare %"github.com/goplus/llgo/runtime/internal/runtime.eface" @reflect.Value.Interface(%reflect.Value)
+declare %"github.com/goplus/llgo/runtime/internal/runtime.eface" @reflect.Value.Interface(%reflect.Value) #0
 
-declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.MatchesClosure"(ptr, ptr)
+declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.MatchesClosure"(ptr, ptr) #0
 
-declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.strequal"(ptr, ptr)
+declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.strequal"(ptr, ptr) #0
 
-define linkonce i1 @"__llgo_stub.github.com/goplus/llgo/runtime/internal/runtime.strequal"(ptr %0, ptr %1, ptr %2) {
+define linkonce i1 @"__llgo_stub.github.com/goplus/llgo/runtime/internal/runtime.strequal"(ptr %0, ptr %1, ptr %2) #0 {
 _llgo_0:
   %3 = tail call i1 @"github.com/goplus/llgo/runtime/internal/runtime.strequal"(ptr %1, ptr %2)
   ret i1 %3
 }
 
-declare void @"github.com/goplus/llgo/runtime/internal/runtime.Panic"(%"github.com/goplus/llgo/runtime/internal/runtime.eface")
+declare void @"github.com/goplus/llgo/runtime/internal/runtime.Panic"(%"github.com/goplus/llgo/runtime/internal/runtime.eface") #0
 
-define linkonce i64 @"__llgo_stub.github.com/goplus/llgo/cl/_testgo/reflect.callFunc$1"(ptr %0, i64 %1) {
+define linkonce i64 @"__llgo_stub.github.com/goplus/llgo/cl/_testgo/reflect.callFunc$1"(ptr %0, i64 %1) #0 {
 _llgo_0:
   %2 = tail call i64 @"github.com/goplus/llgo/cl/_testgo/reflect.callFunc$1"(i64 %1)
   ret i64 %2
 }
 
-declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.structequal"(ptr, ptr, ptr)
+declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.structequal"(ptr, ptr, ptr) #0
 
-declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.interequal"(ptr, ptr)
+declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.interequal"(ptr, ptr) #0
 
-define linkonce i1 @"__llgo_stub.github.com/goplus/llgo/runtime/internal/runtime.interequal"(ptr %0, ptr %1, ptr %2) {
+define linkonce i1 @"__llgo_stub.github.com/goplus/llgo/runtime/internal/runtime.interequal"(ptr %0, ptr %1, ptr %2) #0 {
 _llgo_0:
   %3 = tail call i1 @"github.com/goplus/llgo/runtime/internal/runtime.interequal"(ptr %1, ptr %2)
   ret i1 %3
 }
 
-declare ptr @"github.com/goplus/llgo/runtime/internal/runtime.NewItab"(ptr, ptr)
+declare ptr @"github.com/goplus/llgo/runtime/internal/runtime.NewItab"(ptr, ptr) #0
 
-declare ptr @"github.com/goplus/llgo/runtime/internal/runtime.IfaceType"(%"github.com/goplus/llgo/runtime/internal/runtime.iface")
+declare ptr @"github.com/goplus/llgo/runtime/internal/runtime.IfaceType"(%"github.com/goplus/llgo/runtime/internal/runtime.iface") #0
 
-declare %reflect.Value @reflect.Value.Method(%reflect.Value, i64)
+declare %reflect.Value @reflect.Value.Method(%reflect.Value, i64) #0
 
-define linkonce { i64, i64 } @"__llgo_stub.github.com/goplus/llgo/cl/_testgo/reflect.demo"(ptr %0, i64 %1, i64 %2, i64 %3, i64 %4, i64 %5, i64 %6, i64 %7, i64 %8, i64 %9, %"github.com/goplus/llgo/runtime/internal/runtime.Slice" %10) {
+define linkonce { i64, i64 } @"__llgo_stub.github.com/goplus/llgo/cl/_testgo/reflect.demo"(ptr %0, i64 %1, i64 %2, i64 %3, i64 %4, i64 %5, i64 %6, i64 %7, i64 %8, i64 %9, %"github.com/goplus/llgo/runtime/internal/runtime.Slice" %10) #0 {
 _llgo_0:
   %11 = tail call { i64, i64 } @"github.com/goplus/llgo/cl/_testgo/reflect.demo"(i64 %1, i64 %2, i64 %3, i64 %4, i64 %5, i64 %6, i64 %7, i64 %8, i64 %9, %"github.com/goplus/llgo/runtime/internal/runtime.Slice" %10)
   ret { i64, i64 } %11
 }
 
-declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.nilinterequal"(ptr, ptr)
+declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.nilinterequal"(ptr, ptr) #0
 
-define linkonce i1 @"__llgo_stub.github.com/goplus/llgo/runtime/internal/runtime.nilinterequal"(ptr %0, ptr %1, ptr %2) {
+define linkonce i1 @"__llgo_stub.github.com/goplus/llgo/runtime/internal/runtime.nilinterequal"(ptr %0, ptr %1, ptr %2) #0 {
 _llgo_0:
   %3 = tail call i1 @"github.com/goplus/llgo/runtime/internal/runtime.nilinterequal"(ptr %1, ptr %2)
   ret i1 %3
 }
 
-declare %"github.com/goplus/llgo/runtime/internal/runtime.Slice" @reflect.Value.CallSlice(%reflect.Value, %"github.com/goplus/llgo/runtime/internal/runtime.Slice")
+declare %"github.com/goplus/llgo/runtime/internal/runtime.Slice" @reflect.Value.CallSlice(%reflect.Value, %"github.com/goplus/llgo/runtime/internal/runtime.Slice") #0
 
-declare void @reflect.init()
+declare void @reflect.init() #0
 
-declare i64 @"github.com/goplus/llgo/runtime/internal/runtime.typehash"(ptr, ptr, i64)
+declare i64 @"github.com/goplus/llgo/runtime/internal/runtime.typehash"(ptr, ptr, i64) #0
 
-declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.arrayequal"(ptr, ptr, ptr)
+declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.arrayequal"(ptr, ptr, ptr) #0
 
-declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.memequal8"(ptr, ptr)
+declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.memequal8"(ptr, ptr) #0
 
-define linkonce i1 @"__llgo_stub.github.com/goplus/llgo/runtime/internal/runtime.memequal8"(ptr %0, ptr %1, ptr %2) {
+define linkonce i1 @"__llgo_stub.github.com/goplus/llgo/runtime/internal/runtime.memequal8"(ptr %0, ptr %1, ptr %2) #0 {
 _llgo_0:
   %3 = tail call i1 @"github.com/goplus/llgo/runtime/internal/runtime.memequal8"(ptr %1, ptr %2)
   ret i1 %3
 }
 
-declare ptr @"github.com/goplus/llgo/runtime/internal/runtime.MakeMap"(ptr, i64)
+declare ptr @"github.com/goplus/llgo/runtime/internal/runtime.MakeMap"(ptr, i64) #0
 
-declare ptr @"github.com/goplus/llgo/runtime/internal/runtime.MapAssign"(ptr, ptr, ptr)
+declare ptr @"github.com/goplus/llgo/runtime/internal/runtime.MapAssign"(ptr, ptr, ptr) #0
 
-declare i64 @reflect.Value.Len(%reflect.Value)
+declare i64 @reflect.Value.Len(%reflect.Value) #0
 
-declare %"github.com/goplus/llgo/runtime/internal/runtime.Slice" @reflect.Value.MapKeys(%reflect.Value)
+declare %"github.com/goplus/llgo/runtime/internal/runtime.Slice" @reflect.Value.MapKeys(%reflect.Value) #0
 
-declare %reflect.Value @reflect.Value.MapIndex(%reflect.Value, %reflect.Value)
+declare %reflect.Value @reflect.Value.MapIndex(%reflect.Value, %reflect.Value) #0
 
-declare %"github.com/goplus/llgo/runtime/internal/runtime.String" @reflect.Value.String(%reflect.Value)
+declare %"github.com/goplus/llgo/runtime/internal/runtime.String" @reflect.Value.String(%reflect.Value) #0
 
-declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.StringEqual"(%"github.com/goplus/llgo/runtime/internal/runtime.String", %"github.com/goplus/llgo/runtime/internal/runtime.String")
+declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.StringEqual"(%"github.com/goplus/llgo/runtime/internal/runtime.String", %"github.com/goplus/llgo/runtime/internal/runtime.String") #0
 
-declare void @reflect.Value.SetMapIndex(%reflect.Value, %reflect.Value, %reflect.Value)
+declare void @reflect.Value.SetMapIndex(%reflect.Value, %reflect.Value, %reflect.Value) #0
 
-declare i1 @reflect.Value.IsValid(%reflect.Value)
+declare i1 @reflect.Value.IsValid(%reflect.Value) #0
 
-declare %reflect.Value @reflect.New(%"github.com/goplus/llgo/runtime/internal/runtime.iface")
+declare %reflect.Value @reflect.New(%"github.com/goplus/llgo/runtime/internal/runtime.iface") #0
 
-declare %reflect.Value @reflect.Value.Elem(%reflect.Value)
+declare %reflect.Value @reflect.Value.Elem(%reflect.Value) #0
 
-declare ptr @reflect.Value.MapRange(%reflect.Value)
+declare ptr @reflect.Value.MapRange(%reflect.Value) #0
 
-declare i1 @"reflect.(*MapIter).Next"(ptr)
+declare i1 @"reflect.(*MapIter).Next"(ptr) #0
 
-declare void @reflect.Value.SetIterKey(%reflect.Value, ptr)
+declare void @reflect.Value.SetIterKey(%reflect.Value, ptr) #0
 
-declare void @reflect.Value.SetIterValue(%reflect.Value, ptr)
+declare void @reflect.Value.SetIterValue(%reflect.Value, ptr) #0
 
-declare %reflect.Value @"reflect.(*MapIter).Key"(ptr)
+declare %reflect.Value @"reflect.(*MapIter).Key"(ptr) #0
 
-declare %reflect.Value @"reflect.(*MapIter).Value"(ptr)
+declare %reflect.Value @"reflect.(*MapIter).Value"(ptr) #0
 
-declare %"github.com/goplus/llgo/runtime/internal/runtime.iface" @reflect.TypeOf(%"github.com/goplus/llgo/runtime/internal/runtime.eface")
+declare %"github.com/goplus/llgo/runtime/internal/runtime.iface" @reflect.TypeOf(%"github.com/goplus/llgo/runtime/internal/runtime.eface") #0
 
-declare %"github.com/goplus/llgo/runtime/internal/runtime.iface" @reflect.MapOf(%"github.com/goplus/llgo/runtime/internal/runtime.iface", %"github.com/goplus/llgo/runtime/internal/runtime.iface")
+declare %"github.com/goplus/llgo/runtime/internal/runtime.iface" @reflect.MapOf(%"github.com/goplus/llgo/runtime/internal/runtime.iface", %"github.com/goplus/llgo/runtime/internal/runtime.iface") #0
 
-declare %reflect.Value @reflect.MakeMap(%"github.com/goplus/llgo/runtime/internal/runtime.iface")
+declare %reflect.Value @reflect.MakeMap(%"github.com/goplus/llgo/runtime/internal/runtime.iface") #0
+
+attributes #0 = { "frame-pointer"="non-leaf" }
diff --git a/cl/_testgo/reflectfn/out.ll b/cl/_testgo/reflectfn/out.ll
index 5d229b8573..c16ca71b28 100644
--- a/cl/_testgo/reflectfn/out.ll
+++ b/cl/_testgo/reflectfn/out.ll
@@ -27,14 +27,14 @@ source_filename = "github.com/goplus/llgo/cl/_testgo/reflectfn"
 @"*_llgo_Pointer" = weak_odr constant %"github.com/goplus/llgo/runtime/abi.PtrType" { %"github.com/goplus/llgo/runtime/abi.Type" { i64 8, i64 8, i32 -1134390089, i8 10, i8 8, i8 8, i8 54, { ptr, ptr } { ptr @"__llgo_stub.github.com/goplus/llgo/runtime/internal/runtime.memequalptr", ptr null }, ptr null, %"github.com/goplus/llgo/runtime/internal/runtime.String" { ptr @5, i64 14 }, ptr null }, ptr @_llgo_Pointer }, align 8
 @"_llgo_closure$b7Su1hWaFih-M0M9hMk6nO_RD1K_GQu5WjIXQp6Q2e8$fields" = weak_odr constant [2 x %"github.com/goplus/llgo/runtime/abi.StructField"] [%"github.com/goplus/llgo/runtime/abi.StructField" { %"github.com/goplus/llgo/runtime/internal/runtime.String" { ptr @2, i64 2 }, ptr @"_llgo_func$2_iS07vIlF2_rZqWB5eU0IvP_9HviM4MYZNkXZDvbac", i64 0, %"github.com/goplus/llgo/runtime/internal/runtime.String" zeroinitializer, i1 false }, %"github.com/goplus/llgo/runtime/abi.StructField" { %"github.com/goplus/llgo/runtime/internal/runtime.String" { ptr @4, i64 5 }, ptr @_llgo_Pointer, i64 8, %"github.com/goplus/llgo/runtime/internal/runtime.String" zeroinitializer, i1 false }], align 8
 
-define void @"github.com/goplus/llgo/cl/_testgo/reflectfn.demo"() {
+define void @"github.com/goplus/llgo/cl/_testgo/reflectfn.demo"() #0 {
 _llgo_0:
   call void @"github.com/goplus/llgo/runtime/internal/runtime.PrintString"(%"github.com/goplus/llgo/runtime/internal/runtime.String" { ptr @0, i64 4 })
   call void @"github.com/goplus/llgo/runtime/internal/runtime.PrintByte"(i8 10)
   ret void
 }
 
-define void @"github.com/goplus/llgo/cl/_testgo/reflectfn.init"() {
+define void @"github.com/goplus/llgo/cl/_testgo/reflectfn.init"() #0 {
 _llgo_0:
   %0 = load i1, ptr @"github.com/goplus/llgo/cl/_testgo/reflectfn.init$guard", align 1
   br i1 %0, label %_llgo_2, label %_llgo_1
@@ -49,7 +49,7 @@ _llgo_2:                                          ; preds = %_llgo_1, %_llgo_0
   ret void
 }
 
-define void @"github.com/goplus/llgo/cl/_testgo/reflectfn.main"() {
+define void @"github.com/goplus/llgo/cl/_testgo/reflectfn.main"() #0 {
 _llgo_0:
   %0 = call ptr @"github.com/goplus/llgo/runtime/internal/runtime.AllocZ"(i64 8)
   store i64 100, ptr %0, align 4
@@ -129,7 +129,7 @@ _llgo_0:
   ret void
 }
 
-define void @"github.com/goplus/llgo/cl/_testgo/reflectfn.main$1"(ptr %0) {
+define void @"github.com/goplus/llgo/cl/_testgo/reflectfn.main$1"(ptr %0) #0 {
 _llgo_0:
   %1 = load { ptr }, ptr %0, align 8
   %2 = extractvalue { ptr } %1, 0
@@ -139,36 +139,38 @@ _llgo_0:
   ret void
 }
 
-declare void @"github.com/goplus/llgo/runtime/internal/runtime.PrintString"(%"github.com/goplus/llgo/runtime/internal/runtime.String")
+declare void @"github.com/goplus/llgo/runtime/internal/runtime.PrintString"(%"github.com/goplus/llgo/runtime/internal/runtime.String") #0
 
-declare void @"github.com/goplus/llgo/runtime/internal/runtime.PrintByte"(i8)
+declare void @"github.com/goplus/llgo/runtime/internal/runtime.PrintByte"(i8) #0
 
-declare void @fmt.init()
+declare void @fmt.init() #0
 
-declare void @reflect.init()
+declare void @reflect.init() #0
 
-declare ptr @"github.com/goplus/llgo/runtime/internal/runtime.AllocZ"(i64)
+declare ptr @"github.com/goplus/llgo/runtime/internal/runtime.AllocZ"(i64) #0
 
-declare ptr @"github.com/goplus/llgo/runtime/internal/runtime.AllocU"(i64)
+declare ptr @"github.com/goplus/llgo/runtime/internal/runtime.AllocU"(i64) #0
 
-declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.memequalptr"(ptr, ptr)
+declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.memequalptr"(ptr, ptr) #0
 
-define linkonce i1 @"__llgo_stub.github.com/goplus/llgo/runtime/internal/runtime.memequalptr"(ptr %0, ptr %1, ptr %2) {
+define linkonce i1 @"__llgo_stub.github.com/goplus/llgo/runtime/internal/runtime.memequalptr"(ptr %0, ptr %1, ptr %2) #0 {
 _llgo_0:
   %3 = tail call i1 @"github.com/goplus/llgo/runtime/internal/runtime.memequalptr"(ptr %1, ptr %2)
   ret i1 %3
 }
 
-declare { i64, %"github.com/goplus/llgo/runtime/internal/runtime.iface" } @fmt.Println(%"github.com/goplus/llgo/runtime/internal/runtime.Slice")
+declare { i64, %"github.com/goplus/llgo/runtime/internal/runtime.iface" } @fmt.Println(%"github.com/goplus/llgo/runtime/internal/runtime.Slice") #0
 
-define linkonce void @"__llgo_stub.github.com/goplus/llgo/cl/_testgo/reflectfn.demo"(ptr %0) {
+define linkonce void @"__llgo_stub.github.com/goplus/llgo/cl/_testgo/reflectfn.demo"(ptr %0) #0 {
 _llgo_0:
   tail call void @"github.com/goplus/llgo/cl/_testgo/reflectfn.demo"()
   ret void
 }
 
-declare %reflect.Value @reflect.ValueOf(%"github.com/goplus/llgo/runtime/internal/runtime.eface")
+declare %reflect.Value @reflect.ValueOf(%"github.com/goplus/llgo/runtime/internal/runtime.eface") #0
 
-declare ptr @reflect.Value.UnsafePointer(%reflect.Value)
+declare ptr @reflect.Value.UnsafePointer(%reflect.Value) #0
 
-declare void @"github.com/goplus/llgo/runtime/internal/runtime.PrintInt"(i64)
+declare void @"github.com/goplus/llgo/runtime/internal/runtime.PrintInt"(i64) #0
+
+attributes #0 = { "frame-pointer"="non-leaf" }
diff --git a/cl/_testgo/reflectmkfn/out.ll b/cl/_testgo/reflectmkfn/out.ll
index b620b7806d..fbf6a2b1b1 100644
--- a/cl/_testgo/reflectmkfn/out.ll
+++ b/cl/_testgo/reflectmkfn/out.ll
@@ -38,7 +38,7 @@ source_filename = "github.com/goplus/llgo/cl/_testgo/reflectmkfn"
 @9 = private unnamed_addr constant [6 x i8] c"abcabc", align 1
 @10 = private unnamed_addr constant [5 x i8] c"error", align 1
 
-define void @"github.com/goplus/llgo/cl/_testgo/reflectmkfn.init"() {
+define void @"github.com/goplus/llgo/cl/_testgo/reflectmkfn.init"() #0 {
 _llgo_0:
   %0 = load i1, ptr @"github.com/goplus/llgo/cl/_testgo/reflectmkfn.init$guard", align 1
   br i1 %0, label %_llgo_2, label %_llgo_1
@@ -53,7 +53,7 @@ _llgo_2:                                          ; preds = %_llgo_1, %_llgo_0
   ret void
 }
 
-define void @"github.com/goplus/llgo/cl/_testgo/reflectmkfn.main"() {
+define void @"github.com/goplus/llgo/cl/_testgo/reflectmkfn.main"() #0 {
 _llgo_0:
   %0 = call ptr @"github.com/goplus/llgo/runtime/internal/runtime.AllocZ"(i64 32)
   %1 = getelementptr inbounds %"github.com/goplus/llgo/runtime/internal/runtime.iface", ptr %0, i64 0
@@ -113,7 +113,7 @@ _llgo_4:                                          ; preds = %_llgo_0
   unreachable
 }
 
-define %"github.com/goplus/llgo/runtime/internal/runtime.Slice" @"github.com/goplus/llgo/cl/_testgo/reflectmkfn.main$1"(%"github.com/goplus/llgo/runtime/internal/runtime.Slice" %0) {
+define %"github.com/goplus/llgo/runtime/internal/runtime.Slice" @"github.com/goplus/llgo/cl/_testgo/reflectmkfn.main$1"(%"github.com/goplus/llgo/runtime/internal/runtime.Slice" %0) #0 {
 _llgo_0:
   %1 = extractvalue %"github.com/goplus/llgo/runtime/internal/runtime.Slice" %0, 0
   %2 = extractvalue %"github.com/goplus/llgo/runtime/internal/runtime.Slice" %0, 1
@@ -143,64 +143,66 @@ _llgo_0:
   ret %"github.com/goplus/llgo/runtime/internal/runtime.Slice" %21
 }
 
-declare void @reflect.init()
+declare void @reflect.init() #0
 
-declare void @strings.init()
+declare void @strings.init() #0
 
-declare ptr @"github.com/goplus/llgo/runtime/internal/runtime.AllocZ"(i64)
+declare ptr @"github.com/goplus/llgo/runtime/internal/runtime.AllocZ"(i64) #0
 
-declare %"github.com/goplus/llgo/runtime/internal/runtime.iface" @reflect.TypeOf(%"github.com/goplus/llgo/runtime/internal/runtime.eface")
+declare %"github.com/goplus/llgo/runtime/internal/runtime.iface" @reflect.TypeOf(%"github.com/goplus/llgo/runtime/internal/runtime.eface") #0
 
-declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.strequal"(ptr, ptr)
+declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.strequal"(ptr, ptr) #0
 
-define linkonce i1 @"__llgo_stub.github.com/goplus/llgo/runtime/internal/runtime.strequal"(ptr %0, ptr %1, ptr %2) {
+define linkonce i1 @"__llgo_stub.github.com/goplus/llgo/runtime/internal/runtime.strequal"(ptr %0, ptr %1, ptr %2) #0 {
 _llgo_0:
   %3 = tail call i1 @"github.com/goplus/llgo/runtime/internal/runtime.strequal"(ptr %1, ptr %2)
   ret i1 %3
 }
 
-declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.memequalptr"(ptr, ptr)
+declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.memequalptr"(ptr, ptr) #0
 
-define linkonce i1 @"__llgo_stub.github.com/goplus/llgo/runtime/internal/runtime.memequalptr"(ptr %0, ptr %1, ptr %2) {
+define linkonce i1 @"__llgo_stub.github.com/goplus/llgo/runtime/internal/runtime.memequalptr"(ptr %0, ptr %1, ptr %2) #0 {
 _llgo_0:
   %3 = tail call i1 @"github.com/goplus/llgo/runtime/internal/runtime.memequalptr"(ptr %1, ptr %2)
   ret i1 %3
 }
 
-declare ptr @"github.com/goplus/llgo/runtime/internal/runtime.AllocU"(i64)
+declare ptr @"github.com/goplus/llgo/runtime/internal/runtime.AllocU"(i64) #0
 
-declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.memequal64"(ptr, ptr)
+declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.memequal64"(ptr, ptr) #0
 
-define linkonce i1 @"__llgo_stub.github.com/goplus/llgo/runtime/internal/runtime.memequal64"(ptr %0, ptr %1, ptr %2) {
+define linkonce i1 @"__llgo_stub.github.com/goplus/llgo/runtime/internal/runtime.memequal64"(ptr %0, ptr %1, ptr %2) #0 {
 _llgo_0:
   %3 = tail call i1 @"github.com/goplus/llgo/runtime/internal/runtime.memequal64"(ptr %1, ptr %2)
   ret i1 %3
 }
 
-declare %"github.com/goplus/llgo/runtime/internal/runtime.iface" @reflect.FuncOf(%"github.com/goplus/llgo/runtime/internal/runtime.Slice", %"github.com/goplus/llgo/runtime/internal/runtime.Slice", i1)
+declare %"github.com/goplus/llgo/runtime/internal/runtime.iface" @reflect.FuncOf(%"github.com/goplus/llgo/runtime/internal/runtime.Slice", %"github.com/goplus/llgo/runtime/internal/runtime.Slice", i1) #0
 
-declare %reflect.Value @reflect.MakeFunc(%"github.com/goplus/llgo/runtime/internal/runtime.iface", { ptr, ptr })
+declare %reflect.Value @reflect.MakeFunc(%"github.com/goplus/llgo/runtime/internal/runtime.iface", { ptr, ptr }) #0
 
-define linkonce %"github.com/goplus/llgo/runtime/internal/runtime.Slice" @"__llgo_stub.github.com/goplus/llgo/cl/_testgo/reflectmkfn.main$1"(ptr %0, %"github.com/goplus/llgo/runtime/internal/runtime.Slice" %1) {
+define linkonce %"github.com/goplus/llgo/runtime/internal/runtime.Slice" @"__llgo_stub.github.com/goplus/llgo/cl/_testgo/reflectmkfn.main$1"(ptr %0, %"github.com/goplus/llgo/runtime/internal/runtime.Slice" %1) #0 {
 _llgo_0:
   %2 = tail call %"github.com/goplus/llgo/runtime/internal/runtime.Slice" @"github.com/goplus/llgo/cl/_testgo/reflectmkfn.main$1"(%"github.com/goplus/llgo/runtime/internal/runtime.Slice" %1)
   ret %"github.com/goplus/llgo/runtime/internal/runtime.Slice" %2
 }
 
-declare %"github.com/goplus/llgo/runtime/internal/runtime.eface" @reflect.Value.Interface(%reflect.Value)
+declare %"github.com/goplus/llgo/runtime/internal/runtime.eface" @reflect.Value.Interface(%reflect.Value) #0
 
-declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.MatchesClosure"(ptr, ptr)
+declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.MatchesClosure"(ptr, ptr) #0
 
-declare void @"github.com/goplus/llgo/runtime/internal/runtime.Panic"(%"github.com/goplus/llgo/runtime/internal/runtime.eface")
+declare void @"github.com/goplus/llgo/runtime/internal/runtime.Panic"(%"github.com/goplus/llgo/runtime/internal/runtime.eface") #0
 
-declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.StringEqual"(%"github.com/goplus/llgo/runtime/internal/runtime.String", %"github.com/goplus/llgo/runtime/internal/runtime.String")
+declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.StringEqual"(%"github.com/goplus/llgo/runtime/internal/runtime.String", %"github.com/goplus/llgo/runtime/internal/runtime.String") #0
 
-declare void @"github.com/goplus/llgo/runtime/internal/runtime.AssertIndexRange"(i1)
+declare void @"github.com/goplus/llgo/runtime/internal/runtime.AssertIndexRange"(i1) #0
 
-declare %"github.com/goplus/llgo/runtime/internal/runtime.String" @reflect.Value.String(%reflect.Value)
+declare %"github.com/goplus/llgo/runtime/internal/runtime.String" @reflect.Value.String(%reflect.Value) #0
 
-declare i64 @reflect.Value.Int(%reflect.Value)
+declare i64 @reflect.Value.Int(%reflect.Value) #0
 
-declare %"github.com/goplus/llgo/runtime/internal/runtime.String" @strings.Repeat(%"github.com/goplus/llgo/runtime/internal/runtime.String", i64)
+declare %"github.com/goplus/llgo/runtime/internal/runtime.String" @strings.Repeat(%"github.com/goplus/llgo/runtime/internal/runtime.String", i64) #0
 
-declare %reflect.Value @reflect.ValueOf(%"github.com/goplus/llgo/runtime/internal/runtime.eface")
+declare %reflect.Value @reflect.ValueOf(%"github.com/goplus/llgo/runtime/internal/runtime.eface") #0
+
+attributes #0 = { "frame-pointer"="non-leaf" }
diff --git a/cl/_testgo/selects/out.ll b/cl/_testgo/selects/out.ll
index fd4c4b5786..b26d7901b5 100644
--- a/cl/_testgo/selects/out.ll
+++ b/cl/_testgo/selects/out.ll
@@ -20,7 +20,7 @@ source_filename = "github.com/goplus/llgo/cl/_testgo/selects"
 @6 = private unnamed_addr constant [4 x i8] c"c2<-", align 1
 @7 = private unnamed_addr constant [4 x i8] c"<-c3", align 1
 
-define void @"github.com/goplus/llgo/cl/_testgo/selects.init"() {
+define void @"github.com/goplus/llgo/cl/_testgo/selects.init"() #0 {
 _llgo_0:
   %0 = load i1, ptr @"github.com/goplus/llgo/cl/_testgo/selects.init$guard", align 1
   br i1 %0, label %_llgo_2, label %_llgo_1
@@ -33,7 +33,7 @@ _llgo_2:                                          ; preds = %_llgo_1, %_llgo_0
   ret void
 }
 
-define void @"github.com/goplus/llgo/cl/_testgo/selects.main"() {
+define void @"github.com/goplus/llgo/cl/_testgo/selects.main"() #0 {
 _llgo_0:
   %0 = call ptr @"github.com/goplus/llgo/runtime/internal/runtime.AllocZ"(i64 8)
   %1 = call ptr @"github.com/goplus/llgo/runtime/internal/runtime.NewChan"(i64 0, i64 1)
@@ -126,7 +126,7 @@ _llgo_5:                                          ; preds = %_llgo_3
   unreachable
 }
 
-define void @"github.com/goplus/llgo/cl/_testgo/selects.main$1"(ptr %0) {
+define void @"github.com/goplus/llgo/cl/_testgo/selects.main$1"(ptr %0) #0 {
 _llgo_0:
   %1 = load { ptr, ptr, ptr }, ptr %0, align 8
   %2 = extractvalue { ptr, ptr, ptr } %1, 0
@@ -199,15 +199,15 @@ _llgo_5:                                          ; preds = %_llgo_3
   unreachable
 }
 
-declare ptr @"github.com/goplus/llgo/runtime/internal/runtime.AllocZ"(i64)
+declare ptr @"github.com/goplus/llgo/runtime/internal/runtime.AllocZ"(i64) #0
 
-declare ptr @"github.com/goplus/llgo/runtime/internal/runtime.NewChan"(i64, i64)
+declare ptr @"github.com/goplus/llgo/runtime/internal/runtime.NewChan"(i64, i64) #0
 
-declare ptr @"github.com/goplus/llgo/runtime/internal/runtime.AllocU"(i64)
+declare ptr @"github.com/goplus/llgo/runtime/internal/runtime.AllocU"(i64) #0
 
-declare ptr @malloc(i64)
+declare ptr @malloc(i64) #0
 
-define ptr @"github.com/goplus/llgo/cl/_testgo/selects._llgo_routine$1"(ptr %0) {
+define ptr @"github.com/goplus/llgo/cl/_testgo/selects._llgo_routine$1"(ptr %0) #0 {
 _llgo_0:
   %1 = load { { ptr, ptr } }, ptr %0, align 8
   %2 = extractvalue { { ptr, ptr } } %1, 0
@@ -218,39 +218,40 @@ _llgo_0:
   ret ptr null
 }
 
-declare void @free(ptr)
+declare void @free(ptr) #0
 
-declare i32 @"github.com/goplus/llgo/runtime/internal/runtime.CreateThread"(ptr, ptr, ptr, ptr)
+declare i32 @"github.com/goplus/llgo/runtime/internal/runtime.CreateThread"(ptr, ptr, ptr, ptr) #0
 
-declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.ChanSend"(ptr, ptr, i64)
+declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.ChanSend"(ptr, ptr, i64) #0
 
 ; Function Attrs: nocallback nofree nounwind willreturn memory(argmem: write)
-declare void @llvm.memset(ptr nocapture writeonly, i8, i64, i1 immarg) #0
+declare void @llvm.memset(ptr nocapture writeonly, i8, i64, i1 immarg) #1
 
-declare void @"github.com/goplus/llgo/runtime/internal/runtime.PrintString"(%"github.com/goplus/llgo/runtime/internal/runtime.String")
+declare void @"github.com/goplus/llgo/runtime/internal/runtime.PrintString"(%"github.com/goplus/llgo/runtime/internal/runtime.String") #0
 
-declare void @"github.com/goplus/llgo/runtime/internal/runtime.PrintByte"(i8)
+declare void @"github.com/goplus/llgo/runtime/internal/runtime.PrintByte"(i8) #0
 
-declare { i64, i1 } @"github.com/goplus/llgo/runtime/internal/runtime.Select"(%"github.com/goplus/llgo/runtime/internal/runtime.Slice")
+declare { i64, i1 } @"github.com/goplus/llgo/runtime/internal/runtime.Select"(%"github.com/goplus/llgo/runtime/internal/runtime.Slice") #0
 
-declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.strequal"(ptr, ptr)
+declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.strequal"(ptr, ptr) #0
 
-define linkonce i1 @"__llgo_stub.github.com/goplus/llgo/runtime/internal/runtime.strequal"(ptr %0, ptr %1, ptr %2) {
+define linkonce i1 @"__llgo_stub.github.com/goplus/llgo/runtime/internal/runtime.strequal"(ptr %0, ptr %1, ptr %2) #0 {
 _llgo_0:
   %3 = tail call i1 @"github.com/goplus/llgo/runtime/internal/runtime.strequal"(ptr %1, ptr %2)
   ret i1 %3
 }
 
-declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.memequalptr"(ptr, ptr)
+declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.memequalptr"(ptr, ptr) #0
 
-define linkonce i1 @"__llgo_stub.github.com/goplus/llgo/runtime/internal/runtime.memequalptr"(ptr %0, ptr %1, ptr %2) {
+define linkonce i1 @"__llgo_stub.github.com/goplus/llgo/runtime/internal/runtime.memequalptr"(ptr %0, ptr %1, ptr %2) #0 {
 _llgo_0:
   %3 = tail call i1 @"github.com/goplus/llgo/runtime/internal/runtime.memequalptr"(ptr %1, ptr %2)
   ret i1 %3
 }
 
-declare void @"github.com/goplus/llgo/runtime/internal/runtime.Panic"(%"github.com/goplus/llgo/runtime/internal/runtime.eface")
+declare void @"github.com/goplus/llgo/runtime/internal/runtime.Panic"(%"github.com/goplus/llgo/runtime/internal/runtime.eface") #0
 
-declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.ChanRecv"(ptr, ptr, i64)
+declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.ChanRecv"(ptr, ptr, i64) #0
 
-attributes #0 = { nocallback nofree nounwind willreturn memory(argmem: write) }
+attributes #0 = { "frame-pointer"="non-leaf" }
+attributes #1 = { nocallback nofree nounwind willreturn memory(argmem: write) "frame-pointer"="non-leaf" }
diff --git a/cl/_testgo/strucintf/out.ll b/cl/_testgo/strucintf/out.ll
index a17d12f06d..2e450f866c 100644
--- a/cl/_testgo/strucintf/out.ll
+++ b/cl/_testgo/strucintf/out.ll
@@ -28,7 +28,7 @@ source_filename = "github.com/goplus/llgo/cl/_testgo/strucintf"
 @7 = private unnamed_addr constant [11 x i8] c"Bar: not ok", align 1
 @8 = private unnamed_addr constant [9 x i8] c"F: not ok", align 1
 
-define %"github.com/goplus/llgo/runtime/internal/runtime.eface" @"github.com/goplus/llgo/cl/_testgo/strucintf.Foo"() {
+define %"github.com/goplus/llgo/runtime/internal/runtime.eface" @"github.com/goplus/llgo/cl/_testgo/strucintf.Foo"() #0 {
 _llgo_0:
   %0 = alloca { i64 }, align 8
   call void @llvm.memset(ptr %0, i8 0, i64 8, i1 false)
@@ -41,7 +41,7 @@ _llgo_0:
   ret %"github.com/goplus/llgo/runtime/internal/runtime.eface" %5
 }
 
-define void @"github.com/goplus/llgo/cl/_testgo/strucintf.init"() {
+define void @"github.com/goplus/llgo/cl/_testgo/strucintf.init"() #0 {
 _llgo_0:
   %0 = load i1, ptr @"github.com/goplus/llgo/cl/_testgo/strucintf.init$guard", align 1
   br i1 %0, label %_llgo_2, label %_llgo_1
@@ -55,7 +55,7 @@ _llgo_2:                                          ; preds = %_llgo_1, %_llgo_0
   ret void
 }
 
-define void @"github.com/goplus/llgo/cl/_testgo/strucintf.main"() {
+define void @"github.com/goplus/llgo/cl/_testgo/strucintf.main"() #0 {
 _llgo_0:
   %0 = call %"github.com/goplus/llgo/runtime/internal/runtime.eface" @"github.com/goplus/llgo/cl/_testgo/strucintf.Foo"()
   %1 = alloca { i64 }, align 8
@@ -175,36 +175,37 @@ _llgo_18:                                         ; preds = %_llgo_17, %_llgo_16
 }
 
 ; Function Attrs: nocallback nofree nounwind willreturn memory(argmem: write)
-declare void @llvm.memset(ptr nocapture writeonly, i8, i64, i1 immarg) #0
+declare void @llvm.memset(ptr nocapture writeonly, i8, i64, i1 immarg) #1
 
-declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.structequal"(ptr, ptr, ptr)
+declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.structequal"(ptr, ptr, ptr) #0
 
-declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.memequalptr"(ptr, ptr)
+declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.memequalptr"(ptr, ptr) #0
 
-define linkonce i1 @"__llgo_stub.github.com/goplus/llgo/runtime/internal/runtime.memequalptr"(ptr %0, ptr %1, ptr %2) {
+define linkonce i1 @"__llgo_stub.github.com/goplus/llgo/runtime/internal/runtime.memequalptr"(ptr %0, ptr %1, ptr %2) #0 {
 _llgo_0:
   %3 = tail call i1 @"github.com/goplus/llgo/runtime/internal/runtime.memequalptr"(ptr %1, ptr %2)
   ret i1 %3
 }
 
-declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.memequal64"(ptr, ptr)
+declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.memequal64"(ptr, ptr) #0
 
-define linkonce i1 @"__llgo_stub.github.com/goplus/llgo/runtime/internal/runtime.memequal64"(ptr %0, ptr %1, ptr %2) {
+define linkonce i1 @"__llgo_stub.github.com/goplus/llgo/runtime/internal/runtime.memequal64"(ptr %0, ptr %1, ptr %2) #0 {
 _llgo_0:
   %3 = tail call i1 @"github.com/goplus/llgo/runtime/internal/runtime.memequal64"(ptr %1, ptr %2)
   ret i1 %3
 }
 
-declare void @"github.com/goplus/llgo/cl/_testdata/foo.init"()
+declare void @"github.com/goplus/llgo/cl/_testdata/foo.init"() #0
 
-declare void @"github.com/goplus/llgo/runtime/internal/runtime.PrintInt"(i64)
+declare void @"github.com/goplus/llgo/runtime/internal/runtime.PrintInt"(i64) #0
 
-declare void @"github.com/goplus/llgo/runtime/internal/runtime.PrintByte"(i8)
+declare void @"github.com/goplus/llgo/runtime/internal/runtime.PrintByte"(i8) #0
 
-declare void @"github.com/goplus/llgo/runtime/internal/runtime.PrintString"(%"github.com/goplus/llgo/runtime/internal/runtime.String")
+declare void @"github.com/goplus/llgo/runtime/internal/runtime.PrintString"(%"github.com/goplus/llgo/runtime/internal/runtime.String") #0
 
-declare %"github.com/goplus/llgo/runtime/internal/runtime.eface" @"github.com/goplus/llgo/cl/_testdata/foo.Bar"()
+declare %"github.com/goplus/llgo/runtime/internal/runtime.eface" @"github.com/goplus/llgo/cl/_testdata/foo.Bar"() #0
 
-declare %"github.com/goplus/llgo/runtime/internal/runtime.eface" @"github.com/goplus/llgo/cl/_testdata/foo.F"()
+declare %"github.com/goplus/llgo/runtime/internal/runtime.eface" @"github.com/goplus/llgo/cl/_testdata/foo.F"() #0
 
-attributes #0 = { nocallback nofree nounwind willreturn memory(argmem: write) }
+attributes #0 = { "frame-pointer"="non-leaf" }
+attributes #1 = { nocallback nofree nounwind willreturn memory(argmem: write) "frame-pointer"="non-leaf" }
diff --git a/cl/_testgo/struczero/out.ll b/cl/_testgo/struczero/out.ll
index 43237930b9..2527f52b8c 100644
--- a/cl/_testgo/struczero/out.ll
+++ b/cl/_testgo/struczero/out.ll
@@ -41,7 +41,7 @@ source_filename = "github.com/goplus/llgo/cl/_testgo/struczero"
 @"github.com/goplus/llgo/cl/_testgo/struczero.struct$2215Oa2lkpk-YZ2pdVVs2mMqzhx1jppOCrAxbrX70ko$fields" = weak_odr constant [2 x %"github.com/goplus/llgo/runtime/abi.StructField"] [%"github.com/goplus/llgo/runtime/abi.StructField" { %"github.com/goplus/llgo/runtime/internal/runtime.String" { ptr @5, i64 2 }, ptr @"*_llgo_uint8", i64 0, %"github.com/goplus/llgo/runtime/internal/runtime.String" zeroinitializer, i1 false }, %"github.com/goplus/llgo/runtime/abi.StructField" { %"github.com/goplus/llgo/runtime/internal/runtime.String" { ptr @10, i64 1 }, ptr @_llgo_float32, i64 8, %"github.com/goplus/llgo/runtime/internal/runtime.String" zeroinitializer, i1 false }], align 8
 @11 = private unnamed_addr constant [6 x i8] c"notOk:", align 1
 
-define { %"github.com/goplus/llgo/cl/_testdata/foo.Foo", i1 } @"github.com/goplus/llgo/cl/_testgo/struczero.Bar"(%"github.com/goplus/llgo/runtime/internal/runtime.eface" %0) {
+define { %"github.com/goplus/llgo/cl/_testdata/foo.Foo", i1 } @"github.com/goplus/llgo/cl/_testgo/struczero.Bar"(%"github.com/goplus/llgo/runtime/internal/runtime.eface" %0) #0 {
 _llgo_0:
   %1 = extractvalue %"github.com/goplus/llgo/runtime/internal/runtime.eface" %0, 0
   %2 = icmp eq ptr %1, @"_llgo_github.com/goplus/llgo/cl/_testdata/foo.Foo"
@@ -66,7 +66,7 @@ _llgo_3:                                          ; preds = %_llgo_2, %_llgo_1
   ret { %"github.com/goplus/llgo/cl/_testdata/foo.Foo", i1 } %11
 }
 
-define { %"github.com/goplus/llgo/cl/_testgo/struczero.bar", i1 } @"github.com/goplus/llgo/cl/_testgo/struczero.Foo"(%"github.com/goplus/llgo/runtime/internal/runtime.eface" %0) {
+define { %"github.com/goplus/llgo/cl/_testgo/struczero.bar", i1 } @"github.com/goplus/llgo/cl/_testgo/struczero.Foo"(%"github.com/goplus/llgo/runtime/internal/runtime.eface" %0) #0 {
 _llgo_0:
   %1 = extractvalue %"github.com/goplus/llgo/runtime/internal/runtime.eface" %0, 0
   %2 = icmp eq ptr %1, @"_llgo_github.com/goplus/llgo/cl/_testgo/struczero.bar"
@@ -91,7 +91,7 @@ _llgo_3:                                          ; preds = %_llgo_2, %_llgo_1
   ret { %"github.com/goplus/llgo/cl/_testgo/struczero.bar", i1 } %11
 }
 
-define void @"github.com/goplus/llgo/cl/_testgo/struczero.init"() {
+define void @"github.com/goplus/llgo/cl/_testgo/struczero.init"() #0 {
 _llgo_0:
   %0 = load i1, ptr @"github.com/goplus/llgo/cl/_testgo/struczero.init$guard", align 1
   br i1 %0, label %_llgo_2, label %_llgo_1
@@ -105,7 +105,7 @@ _llgo_2:                                          ; preds = %_llgo_1, %_llgo_0
   ret void
 }
 
-define void @"github.com/goplus/llgo/cl/_testgo/struczero.main"() {
+define void @"github.com/goplus/llgo/cl/_testgo/struczero.main"() #0 {
 _llgo_0:
   %0 = alloca %"github.com/goplus/llgo/cl/_testgo/struczero.bar", align 8
   call void @llvm.memset(ptr %0, i8 0, i64 16, i1 false)
@@ -150,51 +150,52 @@ _llgo_0:
   ret void
 }
 
-declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.structequal"(ptr, ptr, ptr)
+declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.structequal"(ptr, ptr, ptr) #0
 
-declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.memequalptr"(ptr, ptr)
+declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.memequalptr"(ptr, ptr) #0
 
-define linkonce i1 @"__llgo_stub.github.com/goplus/llgo/runtime/internal/runtime.memequalptr"(ptr %0, ptr %1, ptr %2) {
+define linkonce i1 @"__llgo_stub.github.com/goplus/llgo/runtime/internal/runtime.memequalptr"(ptr %0, ptr %1, ptr %2) #0 {
 _llgo_0:
   %3 = tail call i1 @"github.com/goplus/llgo/runtime/internal/runtime.memequalptr"(ptr %1, ptr %2)
   ret i1 %3
 }
 
-declare ptr @"github.com/goplus/llgo/cl/_testdata/foo.(*Foo).Pb"(ptr)
+declare ptr @"github.com/goplus/llgo/cl/_testdata/foo.(*Foo).Pb"(ptr) #0
 
-declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.memequal8"(ptr, ptr)
+declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.memequal8"(ptr, ptr) #0
 
-define linkonce i1 @"__llgo_stub.github.com/goplus/llgo/runtime/internal/runtime.memequal8"(ptr %0, ptr %1, ptr %2) {
+define linkonce i1 @"__llgo_stub.github.com/goplus/llgo/runtime/internal/runtime.memequal8"(ptr %0, ptr %1, ptr %2) #0 {
 _llgo_0:
   %3 = tail call i1 @"github.com/goplus/llgo/runtime/internal/runtime.memequal8"(ptr %1, ptr %2)
   ret i1 %3
 }
 
-declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.f32equal"(ptr, ptr)
+declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.f32equal"(ptr, ptr) #0
 
-define linkonce i1 @"__llgo_stub.github.com/goplus/llgo/runtime/internal/runtime.f32equal"(ptr %0, ptr %1, ptr %2) {
+define linkonce i1 @"__llgo_stub.github.com/goplus/llgo/runtime/internal/runtime.f32equal"(ptr %0, ptr %1, ptr %2) #0 {
 _llgo_0:
   %3 = tail call i1 @"github.com/goplus/llgo/runtime/internal/runtime.f32equal"(ptr %1, ptr %2)
   ret i1 %3
 }
 
-declare ptr @"github.com/goplus/llgo/cl/_testdata/foo.Foo.Pb"(%"github.com/goplus/llgo/cl/_testdata/foo.Foo")
+declare ptr @"github.com/goplus/llgo/cl/_testdata/foo.Foo.Pb"(%"github.com/goplus/llgo/cl/_testdata/foo.Foo") #0
 
-declare void @"github.com/goplus/llgo/cl/_testdata/foo.init"()
+declare void @"github.com/goplus/llgo/cl/_testdata/foo.init"() #0
 
 ; Function Attrs: nocallback nofree nounwind willreturn memory(argmem: write)
-declare void @llvm.memset(ptr nocapture writeonly, i8, i64, i1 immarg) #0
+declare void @llvm.memset(ptr nocapture writeonly, i8, i64, i1 immarg) #1
 
-declare void @"github.com/goplus/llgo/runtime/internal/runtime.PrintPointer"(ptr)
+declare void @"github.com/goplus/llgo/runtime/internal/runtime.PrintPointer"(ptr) #0
 
-declare void @"github.com/goplus/llgo/runtime/internal/runtime.PrintByte"(i8)
+declare void @"github.com/goplus/llgo/runtime/internal/runtime.PrintByte"(i8) #0
 
-declare void @"github.com/goplus/llgo/runtime/internal/runtime.PrintFloat"(double)
+declare void @"github.com/goplus/llgo/runtime/internal/runtime.PrintFloat"(double) #0
 
-declare void @"github.com/goplus/llgo/runtime/internal/runtime.PrintString"(%"github.com/goplus/llgo/runtime/internal/runtime.String")
+declare void @"github.com/goplus/llgo/runtime/internal/runtime.PrintString"(%"github.com/goplus/llgo/runtime/internal/runtime.String") #0
 
-declare void @"github.com/goplus/llgo/runtime/internal/runtime.PrintBool"(i1)
+declare void @"github.com/goplus/llgo/runtime/internal/runtime.PrintBool"(i1) #0
 
-declare ptr @"github.com/goplus/llgo/runtime/internal/runtime.AllocU"(i64)
+declare ptr @"github.com/goplus/llgo/runtime/internal/runtime.AllocU"(i64) #0
 
-attributes #0 = { nocallback nofree nounwind willreturn memory(argmem: write) }
+attributes #0 = { "frame-pointer"="non-leaf" }
+attributes #1 = { nocallback nofree nounwind willreturn memory(argmem: write) "frame-pointer"="non-leaf" }
diff --git a/cl/_testgo/tpindex/out.ll b/cl/_testgo/tpindex/out.ll
index 5fd236a843..cb5b8d98b0 100644
--- a/cl/_testgo/tpindex/out.ll
+++ b/cl/_testgo/tpindex/out.ll
@@ -5,7 +5,7 @@ source_filename = "github.com/goplus/llgo/cl/_testgo/tpindex"
 
 @"github.com/goplus/llgo/cl/_testgo/tpindex.init$guard" = global i1 false, align 1
 
-define void @"github.com/goplus/llgo/cl/_testgo/tpindex.init"() {
+define void @"github.com/goplus/llgo/cl/_testgo/tpindex.init"() #0 {
 _llgo_0:
   %0 = load i1, ptr @"github.com/goplus/llgo/cl/_testgo/tpindex.init$guard", align 1
   br i1 %0, label %_llgo_2, label %_llgo_1
@@ -18,7 +18,7 @@ _llgo_2:                                          ; preds = %_llgo_1, %_llgo_0
   ret void
 }
 
-define void @"github.com/goplus/llgo/cl/_testgo/tpindex.main"() {
+define void @"github.com/goplus/llgo/cl/_testgo/tpindex.main"() #0 {
 _llgo_0:
   %0 = call ptr @"github.com/goplus/llgo/runtime/internal/runtime.AllocZ"(i64 40)
   %1 = getelementptr inbounds i64, ptr %0, i64 0
@@ -43,9 +43,9 @@ _llgo_0:
   ret void
 }
 
-declare ptr @"github.com/goplus/llgo/runtime/internal/runtime.AllocZ"(i64)
+declare ptr @"github.com/goplus/llgo/runtime/internal/runtime.AllocZ"(i64) #0
 
-define linkonce i64 @"github.com/goplus/llgo/cl/_testgo/tpindex.index[int]"(%"github.com/goplus/llgo/runtime/internal/runtime.Slice" %0, i64 %1) {
+define linkonce i64 @"github.com/goplus/llgo/cl/_testgo/tpindex.index[int]"(%"github.com/goplus/llgo/runtime/internal/runtime.Slice" %0, i64 %1) #0 {
 _llgo_0:
   %2 = extractvalue %"github.com/goplus/llgo/runtime/internal/runtime.Slice" %0, 1
   br label %_llgo_1
@@ -75,8 +75,10 @@ _llgo_4:                                          ; preds = %_llgo_2
   ret i64 %4
 }
 
-declare void @"github.com/goplus/llgo/runtime/internal/runtime.PrintInt"(i64)
+declare void @"github.com/goplus/llgo/runtime/internal/runtime.PrintInt"(i64) #0
 
-declare void @"github.com/goplus/llgo/runtime/internal/runtime.PrintByte"(i8)
+declare void @"github.com/goplus/llgo/runtime/internal/runtime.PrintByte"(i8) #0
 
-declare void @"github.com/goplus/llgo/runtime/internal/runtime.AssertIndexRange"(i1)
+declare void @"github.com/goplus/llgo/runtime/internal/runtime.AssertIndexRange"(i1) #0
+
+attributes #0 = { "frame-pointer"="non-leaf" }
diff --git a/cl/_testgo/tpinst/out.ll b/cl/_testgo/tpinst/out.ll
index 8918c8a929..0651effd41 100644
--- a/cl/_testgo/tpinst/out.ll
+++ b/cl/_testgo/tpinst/out.ll
@@ -63,7 +63,7 @@ source_filename = "github.com/goplus/llgo/cl/_testgo/tpinst"
 @"github.com/goplus/llgo/cl/_testgo/tpinst.iface$2sV9fFeqOv1SzesvwIdhTqCFzDT8ZX5buKUSAoHNSww$imethods" = weak_odr constant [1 x %"github.com/goplus/llgo/runtime/abi.Imethod"] [%"github.com/goplus/llgo/runtime/abi.Imethod" { %"github.com/goplus/llgo/runtime/internal/runtime.String" { ptr @7, i64 46 }, ptr @"_llgo_func$ETeB8WwW04JEq0ztcm-XPTJtuYvtpkjIsAc0-2NT9zA" }], align 8
 @16 = private unnamed_addr constant [95 x i8] c"type assertion github.com/goplus/llgo/cl/_testgo/tpinst.I[int] -> interface{value() int} failed", align 1
 
-define void @"github.com/goplus/llgo/cl/_testgo/tpinst.demo"() {
+define void @"github.com/goplus/llgo/cl/_testgo/tpinst.demo"() #0 {
 _llgo_0:
   %0 = call ptr @"github.com/goplus/llgo/runtime/internal/runtime.AllocZ"(i64 8)
   %1 = getelementptr inbounds %"github.com/goplus/llgo/cl/_testgo/tpinst.M[int]", ptr %0, i32 0, i32 0
@@ -156,7 +156,7 @@ _llgo_8:                                          ; preds = %_llgo_4
   unreachable
 }
 
-define void @"github.com/goplus/llgo/cl/_testgo/tpinst.init"() {
+define void @"github.com/goplus/llgo/cl/_testgo/tpinst.init"() #0 {
 _llgo_0:
   %0 = load i1, ptr @"github.com/goplus/llgo/cl/_testgo/tpinst.init$guard", align 1
   br i1 %0, label %_llgo_2, label %_llgo_1
@@ -169,92 +169,94 @@ _llgo_2:                                          ; preds = %_llgo_1, %_llgo_0
   ret void
 }
 
-define void @"github.com/goplus/llgo/cl/_testgo/tpinst.main"() {
+define void @"github.com/goplus/llgo/cl/_testgo/tpinst.main"() #0 {
 _llgo_0:
   call void @"github.com/goplus/llgo/cl/_testgo/tpinst.demo"()
   ret void
 }
 
-declare ptr @"github.com/goplus/llgo/runtime/internal/runtime.AllocZ"(i64)
+declare ptr @"github.com/goplus/llgo/runtime/internal/runtime.AllocZ"(i64) #0
 
-define linkonce i64 @"github.com/goplus/llgo/cl/_testgo/tpinst.(*M[int]).Value"(ptr %0) {
+define linkonce i64 @"github.com/goplus/llgo/cl/_testgo/tpinst.(*M[int]).Value"(ptr %0) #0 {
 _llgo_0:
   %1 = getelementptr inbounds %"github.com/goplus/llgo/cl/_testgo/tpinst.M[int]", ptr %0, i32 0, i32 0
   %2 = load i64, ptr %1, align 4
   ret i64 %2
 }
 
-define linkonce i64 @"github.com/goplus/llgo/cl/_testgo/tpinst.(*M[int]).value"(ptr %0) {
+define linkonce i64 @"github.com/goplus/llgo/cl/_testgo/tpinst.(*M[int]).value"(ptr %0) #0 {
 _llgo_0:
   %1 = getelementptr inbounds %"github.com/goplus/llgo/cl/_testgo/tpinst.M[int]", ptr %0, i32 0, i32 0
   %2 = load i64, ptr %1, align 4
   ret i64 %2
 }
 
-declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.memequalptr"(ptr, ptr)
+declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.memequalptr"(ptr, ptr) #0
 
-define linkonce i1 @"__llgo_stub.github.com/goplus/llgo/runtime/internal/runtime.memequalptr"(ptr %0, ptr %1, ptr %2) {
+define linkonce i1 @"__llgo_stub.github.com/goplus/llgo/runtime/internal/runtime.memequalptr"(ptr %0, ptr %1, ptr %2) #0 {
 _llgo_0:
   %3 = tail call i1 @"github.com/goplus/llgo/runtime/internal/runtime.memequalptr"(ptr %1, ptr %2)
   ret i1 %3
 }
 
-declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.structequal"(ptr, ptr, ptr)
+declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.structequal"(ptr, ptr, ptr) #0
 
-declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.memequal64"(ptr, ptr)
+declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.memequal64"(ptr, ptr) #0
 
-define linkonce i1 @"__llgo_stub.github.com/goplus/llgo/runtime/internal/runtime.memequal64"(ptr %0, ptr %1, ptr %2) {
+define linkonce i1 @"__llgo_stub.github.com/goplus/llgo/runtime/internal/runtime.memequal64"(ptr %0, ptr %1, ptr %2) #0 {
 _llgo_0:
   %3 = tail call i1 @"github.com/goplus/llgo/runtime/internal/runtime.memequal64"(ptr %1, ptr %2)
   ret i1 %3
 }
 
-declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.interequal"(ptr, ptr)
+declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.interequal"(ptr, ptr) #0
 
-define linkonce i1 @"__llgo_stub.github.com/goplus/llgo/runtime/internal/runtime.interequal"(ptr %0, ptr %1, ptr %2) {
+define linkonce i1 @"__llgo_stub.github.com/goplus/llgo/runtime/internal/runtime.interequal"(ptr %0, ptr %1, ptr %2) #0 {
 _llgo_0:
   %3 = tail call i1 @"github.com/goplus/llgo/runtime/internal/runtime.interequal"(ptr %1, ptr %2)
   ret i1 %3
 }
 
-declare ptr @"github.com/goplus/llgo/runtime/internal/runtime.NewItab"(ptr, ptr)
+declare ptr @"github.com/goplus/llgo/runtime/internal/runtime.NewItab"(ptr, ptr) #0
 
-declare ptr @"github.com/goplus/llgo/runtime/internal/runtime.IfacePtrData"(%"github.com/goplus/llgo/runtime/internal/runtime.iface")
+declare ptr @"github.com/goplus/llgo/runtime/internal/runtime.IfacePtrData"(%"github.com/goplus/llgo/runtime/internal/runtime.iface") #0
 
-declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.strequal"(ptr, ptr)
+declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.strequal"(ptr, ptr) #0
 
-define linkonce i1 @"__llgo_stub.github.com/goplus/llgo/runtime/internal/runtime.strequal"(ptr %0, ptr %1, ptr %2) {
+define linkonce i1 @"__llgo_stub.github.com/goplus/llgo/runtime/internal/runtime.strequal"(ptr %0, ptr %1, ptr %2) #0 {
 _llgo_0:
   %3 = tail call i1 @"github.com/goplus/llgo/runtime/internal/runtime.strequal"(ptr %1, ptr %2)
   ret i1 %3
 }
 
-declare ptr @"github.com/goplus/llgo/runtime/internal/runtime.AllocU"(i64)
+declare ptr @"github.com/goplus/llgo/runtime/internal/runtime.AllocU"(i64) #0
 
-declare void @"github.com/goplus/llgo/runtime/internal/runtime.Panic"(%"github.com/goplus/llgo/runtime/internal/runtime.eface")
+declare void @"github.com/goplus/llgo/runtime/internal/runtime.Panic"(%"github.com/goplus/llgo/runtime/internal/runtime.eface") #0
 
-define linkonce double @"github.com/goplus/llgo/cl/_testgo/tpinst.(*M[float64]).Value"(ptr %0) {
+define linkonce double @"github.com/goplus/llgo/cl/_testgo/tpinst.(*M[float64]).Value"(ptr %0) #0 {
 _llgo_0:
   %1 = getelementptr inbounds %"github.com/goplus/llgo/cl/_testgo/tpinst.M[float64]", ptr %0, i32 0, i32 0
   %2 = load double, ptr %1, align 8
   ret double %2
 }
 
-define linkonce double @"github.com/goplus/llgo/cl/_testgo/tpinst.(*M[float64]).value"(ptr %0) {
+define linkonce double @"github.com/goplus/llgo/cl/_testgo/tpinst.(*M[float64]).value"(ptr %0) #0 {
 _llgo_0:
   %1 = getelementptr inbounds %"github.com/goplus/llgo/cl/_testgo/tpinst.M[float64]", ptr %0, i32 0, i32 0
   %2 = load double, ptr %1, align 8
   ret double %2
 }
 
-declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.f64equal"(ptr, ptr)
+declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.f64equal"(ptr, ptr) #0
 
-define linkonce i1 @"__llgo_stub.github.com/goplus/llgo/runtime/internal/runtime.f64equal"(ptr %0, ptr %1, ptr %2) {
+define linkonce i1 @"__llgo_stub.github.com/goplus/llgo/runtime/internal/runtime.f64equal"(ptr %0, ptr %1, ptr %2) #0 {
 _llgo_0:
   %3 = tail call i1 @"github.com/goplus/llgo/runtime/internal/runtime.f64equal"(ptr %1, ptr %2)
   ret i1 %3
 }
 
-declare ptr @"github.com/goplus/llgo/runtime/internal/runtime.IfaceType"(%"github.com/goplus/llgo/runtime/internal/runtime.iface")
+declare ptr @"github.com/goplus/llgo/runtime/internal/runtime.IfaceType"(%"github.com/goplus/llgo/runtime/internal/runtime.iface") #0
 
-declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.Implements"(ptr, ptr)
+declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.Implements"(ptr, ptr) #0
+
+attributes #0 = { "frame-pointer"="non-leaf" }
diff --git a/cl/_testgo/tplocaltype/out.ll b/cl/_testgo/tplocaltype/out.ll
index c0147b40cf..5125f6e7fc 100644
--- a/cl/_testgo/tplocaltype/out.ll
+++ b/cl/_testgo/tplocaltype/out.ll
@@ -3,7 +3,7 @@ source_filename = "github.com/goplus/llgo/cl/_testgo/tplocaltype"
 
 @"github.com/goplus/llgo/cl/_testgo/tplocaltype.init$guard" = global i1 false, align 1
 
-define void @"github.com/goplus/llgo/cl/_testgo/tplocaltype.init"() {
+define void @"github.com/goplus/llgo/cl/_testgo/tplocaltype.init"() #0 {
 _llgo_0:
   %0 = load i1, ptr @"github.com/goplus/llgo/cl/_testgo/tplocaltype.init$guard", align 1
   br i1 %0, label %_llgo_2, label %_llgo_1
@@ -16,31 +16,33 @@ _llgo_2:                                          ; preds = %_llgo_1, %_llgo_0
   ret void
 }
 
-define void @"github.com/goplus/llgo/cl/_testgo/tplocaltype.main"() {
+define void @"github.com/goplus/llgo/cl/_testgo/tplocaltype.main"() #0 {
 _llgo_0:
   %0 = call i64 @"github.com/goplus/llgo/cl/_testgo/tplocaltype.use1"()
   %1 = call i64 @"github.com/goplus/llgo/cl/_testgo/tplocaltype.use2"()
   ret void
 }
 
-define i64 @"github.com/goplus/llgo/cl/_testgo/tplocaltype.use1"() {
+define i64 @"github.com/goplus/llgo/cl/_testgo/tplocaltype.use1"() #0 {
 _llgo_0:
   %0 = call i64 @"github.com/goplus/llgo/cl/_testgo/tplocaltype.id[github.com/goplus/llgo/cl/_testgo/tplocaltype.T.1.0]"(i64 1)
   ret i64 %0
 }
 
-define i64 @"github.com/goplus/llgo/cl/_testgo/tplocaltype.use2"() {
+define i64 @"github.com/goplus/llgo/cl/_testgo/tplocaltype.use2"() #0 {
 _llgo_0:
   %0 = call i64 @"github.com/goplus/llgo/cl/_testgo/tplocaltype.id[github.com/goplus/llgo/cl/_testgo/tplocaltype.T.2.0]"(i64 2)
   ret i64 %0
 }
 
-define linkonce i64 @"github.com/goplus/llgo/cl/_testgo/tplocaltype.id[github.com/goplus/llgo/cl/_testgo/tplocaltype.T.1.0]"(i64 %0) {
+define linkonce i64 @"github.com/goplus/llgo/cl/_testgo/tplocaltype.id[github.com/goplus/llgo/cl/_testgo/tplocaltype.T.1.0]"(i64 %0) #0 {
 _llgo_0:
   ret i64 %0
 }
 
-define linkonce i64 @"github.com/goplus/llgo/cl/_testgo/tplocaltype.id[github.com/goplus/llgo/cl/_testgo/tplocaltype.T.2.0]"(i64 %0) {
+define linkonce i64 @"github.com/goplus/llgo/cl/_testgo/tplocaltype.id[github.com/goplus/llgo/cl/_testgo/tplocaltype.T.2.0]"(i64 %0) #0 {
 _llgo_0:
   ret i64 %0
 }
+
+attributes #0 = { "frame-pointer"="non-leaf" }
diff --git a/cl/_testgo/tpnamed/out.ll b/cl/_testgo/tpnamed/out.ll
index 50409022b8..e3952d2815 100644
--- a/cl/_testgo/tpnamed/out.ll
+++ b/cl/_testgo/tpnamed/out.ll
@@ -10,22 +10,22 @@ source_filename = "github.com/goplus/llgo/cl/_testgo/tpnamed"
 
 @"github.com/goplus/llgo/cl/_testgo/tpnamed.init$guard" = global i1 false, align 1
 
-define %"github.com/goplus/llgo/cl/_testgo/tpnamed.IO[error]" @"github.com/goplus/llgo/cl/_testgo/tpnamed.WriteFile"(%"github.com/goplus/llgo/runtime/internal/runtime.String" %0) {
+define %"github.com/goplus/llgo/cl/_testgo/tpnamed.IO[error]" @"github.com/goplus/llgo/cl/_testgo/tpnamed.WriteFile"(%"github.com/goplus/llgo/runtime/internal/runtime.String" %0) #0 {
 _llgo_0:
   ret %"github.com/goplus/llgo/cl/_testgo/tpnamed.IO[error]" { ptr @"__llgo_stub.github.com/goplus/llgo/cl/_testgo/tpnamed.WriteFile$1", ptr null }
 }
 
-define %"github.com/goplus/llgo/cl/_testgo/tpnamed.Future[error]" @"github.com/goplus/llgo/cl/_testgo/tpnamed.WriteFile$1"() {
+define %"github.com/goplus/llgo/cl/_testgo/tpnamed.Future[error]" @"github.com/goplus/llgo/cl/_testgo/tpnamed.WriteFile$1"() #0 {
 _llgo_0:
   ret %"github.com/goplus/llgo/cl/_testgo/tpnamed.Future[error]" { ptr @"__llgo_stub.github.com/goplus/llgo/cl/_testgo/tpnamed.WriteFile$1$1", ptr null }
 }
 
-define %"github.com/goplus/llgo/runtime/internal/runtime.iface" @"github.com/goplus/llgo/cl/_testgo/tpnamed.WriteFile$1$1"() {
+define %"github.com/goplus/llgo/runtime/internal/runtime.iface" @"github.com/goplus/llgo/cl/_testgo/tpnamed.WriteFile$1$1"() #0 {
 _llgo_0:
   ret %"github.com/goplus/llgo/runtime/internal/runtime.iface" zeroinitializer
 }
 
-define void @"github.com/goplus/llgo/cl/_testgo/tpnamed.init"() {
+define void @"github.com/goplus/llgo/cl/_testgo/tpnamed.init"() #0 {
 _llgo_0:
   %0 = load i1, ptr @"github.com/goplus/llgo/cl/_testgo/tpnamed.init$guard", align 1
   br i1 %0, label %_llgo_2, label %_llgo_1
@@ -38,41 +38,41 @@ _llgo_2:                                          ; preds = %_llgo_1, %_llgo_0
   ret void
 }
 
-define void @"github.com/goplus/llgo/cl/_testgo/tpnamed.main"() {
+define void @"github.com/goplus/llgo/cl/_testgo/tpnamed.main"() #0 {
 _llgo_0:
   %0 = call [0 x i8] @"github.com/goplus/llgo/cl/_testgo/tpnamed.RunIO[[0]byte]"(%"github.com/goplus/llgo/cl/_testgo/tpnamed.IO[[0]byte]" { ptr @"__llgo_stub.github.com/goplus/llgo/cl/_testgo/tpnamed.main$1", ptr null })
   ret void
 }
 
-define %"github.com/goplus/llgo/cl/_testgo/tpnamed.Future[[0]byte]" @"github.com/goplus/llgo/cl/_testgo/tpnamed.main$1"() {
+define %"github.com/goplus/llgo/cl/_testgo/tpnamed.Future[[0]byte]" @"github.com/goplus/llgo/cl/_testgo/tpnamed.main$1"() #0 {
 _llgo_0:
   ret %"github.com/goplus/llgo/cl/_testgo/tpnamed.Future[[0]byte]" { ptr @"__llgo_stub.github.com/goplus/llgo/cl/_testgo/tpnamed.main$1$1", ptr null }
 }
 
-define [0 x i8] @"github.com/goplus/llgo/cl/_testgo/tpnamed.main$1$1"() {
+define [0 x i8] @"github.com/goplus/llgo/cl/_testgo/tpnamed.main$1$1"() #0 {
 _llgo_0:
   ret [0 x i8] zeroinitializer
 }
 
-define linkonce %"github.com/goplus/llgo/cl/_testgo/tpnamed.Future[error]" @"__llgo_stub.github.com/goplus/llgo/cl/_testgo/tpnamed.WriteFile$1"(ptr %0) {
+define linkonce %"github.com/goplus/llgo/cl/_testgo/tpnamed.Future[error]" @"__llgo_stub.github.com/goplus/llgo/cl/_testgo/tpnamed.WriteFile$1"(ptr %0) #0 {
 _llgo_0:
   %1 = tail call %"github.com/goplus/llgo/cl/_testgo/tpnamed.Future[error]" @"github.com/goplus/llgo/cl/_testgo/tpnamed.WriteFile$1"()
   ret %"github.com/goplus/llgo/cl/_testgo/tpnamed.Future[error]" %1
 }
 
-define linkonce %"github.com/goplus/llgo/runtime/internal/runtime.iface" @"__llgo_stub.github.com/goplus/llgo/cl/_testgo/tpnamed.WriteFile$1$1"(ptr %0) {
+define linkonce %"github.com/goplus/llgo/runtime/internal/runtime.iface" @"__llgo_stub.github.com/goplus/llgo/cl/_testgo/tpnamed.WriteFile$1$1"(ptr %0) #0 {
 _llgo_0:
   %1 = tail call %"github.com/goplus/llgo/runtime/internal/runtime.iface" @"github.com/goplus/llgo/cl/_testgo/tpnamed.WriteFile$1$1"()
   ret %"github.com/goplus/llgo/runtime/internal/runtime.iface" %1
 }
 
-define linkonce %"github.com/goplus/llgo/cl/_testgo/tpnamed.Future[[0]byte]" @"__llgo_stub.github.com/goplus/llgo/cl/_testgo/tpnamed.main$1"(ptr %0) {
+define linkonce %"github.com/goplus/llgo/cl/_testgo/tpnamed.Future[[0]byte]" @"__llgo_stub.github.com/goplus/llgo/cl/_testgo/tpnamed.main$1"(ptr %0) #0 {
 _llgo_0:
   %1 = tail call %"github.com/goplus/llgo/cl/_testgo/tpnamed.Future[[0]byte]" @"github.com/goplus/llgo/cl/_testgo/tpnamed.main$1"()
   ret %"github.com/goplus/llgo/cl/_testgo/tpnamed.Future[[0]byte]" %1
 }
 
-define linkonce [0 x i8] @"github.com/goplus/llgo/cl/_testgo/tpnamed.RunIO[[0]byte]"(%"github.com/goplus/llgo/cl/_testgo/tpnamed.IO[[0]byte]" %0) {
+define linkonce [0 x i8] @"github.com/goplus/llgo/cl/_testgo/tpnamed.RunIO[[0]byte]"(%"github.com/goplus/llgo/cl/_testgo/tpnamed.IO[[0]byte]" %0) #0 {
 _llgo_0:
   %1 = extractvalue %"github.com/goplus/llgo/cl/_testgo/tpnamed.IO[[0]byte]" %0, 1
   %2 = extractvalue %"github.com/goplus/llgo/cl/_testgo/tpnamed.IO[[0]byte]" %0, 0
@@ -83,8 +83,10 @@ _llgo_0:
   ret [0 x i8] %6
 }
 
-define linkonce [0 x i8] @"__llgo_stub.github.com/goplus/llgo/cl/_testgo/tpnamed.main$1$1"(ptr %0) {
+define linkonce [0 x i8] @"__llgo_stub.github.com/goplus/llgo/cl/_testgo/tpnamed.main$1$1"(ptr %0) #0 {
 _llgo_0:
   %1 = tail call [0 x i8] @"github.com/goplus/llgo/cl/_testgo/tpnamed.main$1$1"()
   ret [0 x i8] %1
 }
+
+attributes #0 = { "frame-pointer"="non-leaf" }
diff --git a/cl/_testgo/tprecur/out.ll b/cl/_testgo/tprecur/out.ll
index 29a138e87e..136359c3c9 100644
--- a/cl/_testgo/tprecur/out.ll
+++ b/cl/_testgo/tprecur/out.ll
@@ -13,7 +13,7 @@ source_filename = "github.com/goplus/llgo/cl/_testgo/tprecur"
 @1 = private unnamed_addr constant [6 x i8] c"string", align 1
 @"*_llgo_string" = weak_odr constant %"github.com/goplus/llgo/runtime/abi.PtrType" { %"github.com/goplus/llgo/runtime/abi.Type" { i64 8, i64 8, i32 -1323879264, i8 10, i8 8, i8 8, i8 54, { ptr, ptr } { ptr @"__llgo_stub.github.com/goplus/llgo/runtime/internal/runtime.memequalptr", ptr null }, ptr null, %"github.com/goplus/llgo/runtime/internal/runtime.String" { ptr @1, i64 6 }, ptr null }, ptr @_llgo_string }, align 8
 
-define void @"github.com/goplus/llgo/cl/_testgo/tprecur.init"() {
+define void @"github.com/goplus/llgo/cl/_testgo/tprecur.init"() #0 {
 _llgo_0:
   %0 = load i1, ptr @"github.com/goplus/llgo/cl/_testgo/tprecur.init$guard", align 1
   br i1 %0, label %_llgo_2, label %_llgo_1
@@ -26,13 +26,13 @@ _llgo_2:                                          ; preds = %_llgo_1, %_llgo_0
   ret void
 }
 
-define void @"github.com/goplus/llgo/cl/_testgo/tprecur.main"() {
+define void @"github.com/goplus/llgo/cl/_testgo/tprecur.main"() #0 {
 _llgo_0:
   call void @"github.com/goplus/llgo/cl/_testgo/tprecur.recursive"()
   ret void
 }
 
-define void @"github.com/goplus/llgo/cl/_testgo/tprecur.recursive"() {
+define void @"github.com/goplus/llgo/cl/_testgo/tprecur.recursive"() #0 {
 _llgo_0:
   %0 = call i64 @"github.com/goplus/llgo/cl/_testgo/tprecur.recur1[github.com/goplus/llgo/cl/_testgo/tprecur.T.1.0]"(i64 5)
   %1 = icmp ne i64 %0, 110
@@ -49,7 +49,7 @@ _llgo_2:                                          ; preds = %_llgo_0
   ret void
 }
 
-define linkonce i64 @"github.com/goplus/llgo/cl/_testgo/tprecur.recur1[github.com/goplus/llgo/cl/_testgo/tprecur.T.1.0]"(i64 %0) {
+define linkonce i64 @"github.com/goplus/llgo/cl/_testgo/tprecur.recur1[github.com/goplus/llgo/cl/_testgo/tprecur.T.1.0]"(i64 %0) #0 {
 _llgo_0:
   %1 = icmp eq i64 %0, 0
   br i1 %1, label %_llgo_1, label %_llgo_3
@@ -68,27 +68,27 @@ _llgo_3:                                          ; preds = %_llgo_0
   br i1 %5, label %_llgo_1, label %_llgo_2
 }
 
-declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.strequal"(ptr, ptr)
+declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.strequal"(ptr, ptr) #0
 
-define linkonce i1 @"__llgo_stub.github.com/goplus/llgo/runtime/internal/runtime.strequal"(ptr %0, ptr %1, ptr %2) {
+define linkonce i1 @"__llgo_stub.github.com/goplus/llgo/runtime/internal/runtime.strequal"(ptr %0, ptr %1, ptr %2) #0 {
 _llgo_0:
   %3 = tail call i1 @"github.com/goplus/llgo/runtime/internal/runtime.strequal"(ptr %1, ptr %2)
   ret i1 %3
 }
 
-declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.memequalptr"(ptr, ptr)
+declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.memequalptr"(ptr, ptr) #0
 
-define linkonce i1 @"__llgo_stub.github.com/goplus/llgo/runtime/internal/runtime.memequalptr"(ptr %0, ptr %1, ptr %2) {
+define linkonce i1 @"__llgo_stub.github.com/goplus/llgo/runtime/internal/runtime.memequalptr"(ptr %0, ptr %1, ptr %2) #0 {
 _llgo_0:
   %3 = tail call i1 @"github.com/goplus/llgo/runtime/internal/runtime.memequalptr"(ptr %1, ptr %2)
   ret i1 %3
 }
 
-declare ptr @"github.com/goplus/llgo/runtime/internal/runtime.AllocU"(i64)
+declare ptr @"github.com/goplus/llgo/runtime/internal/runtime.AllocU"(i64) #0
 
-declare void @"github.com/goplus/llgo/runtime/internal/runtime.Panic"(%"github.com/goplus/llgo/runtime/internal/runtime.eface")
+declare void @"github.com/goplus/llgo/runtime/internal/runtime.Panic"(%"github.com/goplus/llgo/runtime/internal/runtime.eface") #0
 
-define linkonce i64 @"github.com/goplus/llgo/cl/_testgo/tprecur.recur2[github.com/goplus/llgo/cl/_testgo/tprecur.T.1.0]"(i64 %0) {
+define linkonce i64 @"github.com/goplus/llgo/cl/_testgo/tprecur.recur2[github.com/goplus/llgo/cl/_testgo/tprecur.T.1.0]"(i64 %0) #0 {
 _llgo_0:
   %1 = call %"github.com/goplus/llgo/runtime/internal/runtime.Slice" @"github.com/goplus/llgo/runtime/internal/runtime.MakeSlice"(i64 %0, i64 %0, i64 8)
   %2 = extractvalue %"github.com/goplus/llgo/runtime/internal/runtime.Slice" %1, 1
@@ -142,6 +142,8 @@ _llgo_6:                                          ; preds = %_llgo_4
   ret i64 %28
 }
 
-declare %"github.com/goplus/llgo/runtime/internal/runtime.Slice" @"github.com/goplus/llgo/runtime/internal/runtime.MakeSlice"(i64, i64, i64)
+declare %"github.com/goplus/llgo/runtime/internal/runtime.Slice" @"github.com/goplus/llgo/runtime/internal/runtime.MakeSlice"(i64, i64, i64) #0
 
-declare void @"github.com/goplus/llgo/runtime/internal/runtime.AssertIndexRange"(i1)
+declare void @"github.com/goplus/llgo/runtime/internal/runtime.AssertIndexRange"(i1) #0
+
+attributes #0 = { "frame-pointer"="non-leaf" }
diff --git a/cl/_testgo/tprecurfn/out.ll b/cl/_testgo/tprecurfn/out.ll
index 403e089a1c..b15a4b0847 100644
--- a/cl/_testgo/tprecurfn/out.ll
+++ b/cl/_testgo/tprecurfn/out.ll
@@ -5,7 +5,7 @@ source_filename = "github.com/goplus/llgo/cl/_testgo/tprecurfn"
 
 @"github.com/goplus/llgo/cl/_testgo/tprecurfn.init$guard" = global i1 false, align 1
 
-define void @"github.com/goplus/llgo/cl/_testgo/tprecurfn.init"() {
+define void @"github.com/goplus/llgo/cl/_testgo/tprecurfn.init"() #0 {
 _llgo_0:
   %0 = load i1, ptr @"github.com/goplus/llgo/cl/_testgo/tprecurfn.init$guard", align 1
   br i1 %0, label %_llgo_2, label %_llgo_1
@@ -18,7 +18,7 @@ _llgo_2:                                          ; preds = %_llgo_1, %_llgo_0
   ret void
 }
 
-define void @"github.com/goplus/llgo/cl/_testgo/tprecurfn.main"() {
+define void @"github.com/goplus/llgo/cl/_testgo/tprecurfn.main"() #0 {
 _llgo_0:
   %0 = call ptr @"github.com/goplus/llgo/runtime/internal/runtime.AllocZ"(i64 24)
   %1 = getelementptr inbounds %"github.com/goplus/llgo/cl/_testgo/tprecurfn.My[int]", ptr %0, i32 0, i32 1
@@ -36,21 +36,23 @@ _llgo_0:
   ret void
 }
 
-define void @"github.com/goplus/llgo/cl/_testgo/tprecurfn.main$1"(i64 %0) {
+define void @"github.com/goplus/llgo/cl/_testgo/tprecurfn.main$1"(i64 %0) #0 {
 _llgo_0:
   call void @"github.com/goplus/llgo/runtime/internal/runtime.PrintInt"(i64 %0)
   call void @"github.com/goplus/llgo/runtime/internal/runtime.PrintByte"(i8 10)
   ret void
 }
 
-declare ptr @"github.com/goplus/llgo/runtime/internal/runtime.AllocZ"(i64)
+declare ptr @"github.com/goplus/llgo/runtime/internal/runtime.AllocZ"(i64) #0
 
-define linkonce void @"__llgo_stub.github.com/goplus/llgo/cl/_testgo/tprecurfn.main$1"(ptr %0, i64 %1) {
+define linkonce void @"__llgo_stub.github.com/goplus/llgo/cl/_testgo/tprecurfn.main$1"(ptr %0, i64 %1) #0 {
 _llgo_0:
   tail call void @"github.com/goplus/llgo/cl/_testgo/tprecurfn.main$1"(i64 %1)
   ret void
 }
 
-declare void @"github.com/goplus/llgo/runtime/internal/runtime.PrintInt"(i64)
+declare void @"github.com/goplus/llgo/runtime/internal/runtime.PrintInt"(i64) #0
 
-declare void @"github.com/goplus/llgo/runtime/internal/runtime.PrintByte"(i8)
+declare void @"github.com/goplus/llgo/runtime/internal/runtime.PrintByte"(i8) #0
+
+attributes #0 = { "frame-pointer"="non-leaf" }
diff --git a/cl/_testgo/tptypes/out.ll b/cl/_testgo/tptypes/out.ll
index 882cef3423..7a1625b60a 100644
--- a/cl/_testgo/tptypes/out.ll
+++ b/cl/_testgo/tptypes/out.ll
@@ -11,7 +11,7 @@ source_filename = "github.com/goplus/llgo/cl/_testgo/tptypes"
 @"github.com/goplus/llgo/cl/_testgo/tptypes.init$guard" = global i1 false, align 1
 @0 = private unnamed_addr constant [5 x i8] c"hello", align 1
 
-define void @"github.com/goplus/llgo/cl/_testgo/tptypes.init"() {
+define void @"github.com/goplus/llgo/cl/_testgo/tptypes.init"() #0 {
 _llgo_0:
   %0 = load i1, ptr @"github.com/goplus/llgo/cl/_testgo/tptypes.init$guard", align 1
   br i1 %0, label %_llgo_2, label %_llgo_1
@@ -24,7 +24,7 @@ _llgo_2:                                          ; preds = %_llgo_1, %_llgo_0
   ret void
 }
 
-define void @"github.com/goplus/llgo/cl/_testgo/tptypes.main"() {
+define void @"github.com/goplus/llgo/cl/_testgo/tptypes.main"() #0 {
 _llgo_0:
   %0 = alloca %"github.com/goplus/llgo/cl/_testgo/tptypes.Data[int]", align 8
   call void @llvm.memset(ptr %0, i8 0, i64 8, i1 false)
@@ -149,17 +149,17 @@ _llgo_0:
 }
 
 ; Function Attrs: nocallback nofree nounwind willreturn memory(argmem: write)
-declare void @llvm.memset(ptr nocapture writeonly, i8, i64, i1 immarg) #0
+declare void @llvm.memset(ptr nocapture writeonly, i8, i64, i1 immarg) #1
 
-declare void @"github.com/goplus/llgo/runtime/internal/runtime.PrintInt"(i64)
+declare void @"github.com/goplus/llgo/runtime/internal/runtime.PrintInt"(i64) #0
 
-declare void @"github.com/goplus/llgo/runtime/internal/runtime.PrintByte"(i8)
+declare void @"github.com/goplus/llgo/runtime/internal/runtime.PrintByte"(i8) #0
 
-declare void @"github.com/goplus/llgo/runtime/internal/runtime.PrintString"(%"github.com/goplus/llgo/runtime/internal/runtime.String")
+declare void @"github.com/goplus/llgo/runtime/internal/runtime.PrintString"(%"github.com/goplus/llgo/runtime/internal/runtime.String") #0
 
-declare ptr @"github.com/goplus/llgo/runtime/internal/runtime.AllocZ"(i64)
+declare ptr @"github.com/goplus/llgo/runtime/internal/runtime.AllocZ"(i64) #0
 
-define linkonce %"github.com/goplus/llgo/runtime/internal/runtime.Slice" @"github.com/goplus/llgo/cl/_testgo/tptypes.(*Slice[[]int,int]).Append"(ptr %0, %"github.com/goplus/llgo/runtime/internal/runtime.Slice" %1) {
+define linkonce %"github.com/goplus/llgo/runtime/internal/runtime.Slice" @"github.com/goplus/llgo/cl/_testgo/tptypes.(*Slice[[]int,int]).Append"(ptr %0, %"github.com/goplus/llgo/runtime/internal/runtime.Slice" %1) #0 {
 _llgo_0:
   %2 = getelementptr inbounds %"github.com/goplus/llgo/cl/_testgo/tptypes.Slice[[]int,int]", ptr %0, i32 0, i32 0
   %3 = load %"github.com/goplus/llgo/runtime/internal/runtime.Slice", ptr %2, align 8
@@ -173,7 +173,7 @@ _llgo_0:
   ret %"github.com/goplus/llgo/runtime/internal/runtime.Slice" %9
 }
 
-define linkonce %"github.com/goplus/llgo/runtime/internal/runtime.Slice" @"github.com/goplus/llgo/cl/_testgo/tptypes.(*Slice[[]string,string]).Append"(ptr %0, %"github.com/goplus/llgo/runtime/internal/runtime.Slice" %1) {
+define linkonce %"github.com/goplus/llgo/runtime/internal/runtime.Slice" @"github.com/goplus/llgo/cl/_testgo/tptypes.(*Slice[[]string,string]).Append"(ptr %0, %"github.com/goplus/llgo/runtime/internal/runtime.Slice" %1) #0 {
 _llgo_0:
   %2 = getelementptr inbounds %"github.com/goplus/llgo/cl/_testgo/tptypes.Slice[[]string,string]", ptr %0, i32 0, i32 0
   %3 = load %"github.com/goplus/llgo/runtime/internal/runtime.Slice", ptr %2, align 8
@@ -187,7 +187,7 @@ _llgo_0:
   ret %"github.com/goplus/llgo/runtime/internal/runtime.Slice" %9
 }
 
-define linkonce %"github.com/goplus/llgo/runtime/internal/runtime.Slice" @"github.com/goplus/llgo/cl/_testgo/tptypes.(*Slice[[]int,int]).Append2"(ptr %0, %"github.com/goplus/llgo/runtime/internal/runtime.Slice" %1) {
+define linkonce %"github.com/goplus/llgo/runtime/internal/runtime.Slice" @"github.com/goplus/llgo/cl/_testgo/tptypes.(*Slice[[]int,int]).Append2"(ptr %0, %"github.com/goplus/llgo/runtime/internal/runtime.Slice" %1) #0 {
 _llgo_0:
   %2 = getelementptr inbounds %"github.com/goplus/llgo/cl/_testgo/tptypes.Slice[[]int,int]", ptr %0, i32 0, i32 0
   %3 = load %"github.com/goplus/llgo/runtime/internal/runtime.Slice", ptr %2, align 8
@@ -201,10 +201,11 @@ _llgo_0:
   ret %"github.com/goplus/llgo/runtime/internal/runtime.Slice" %9
 }
 
-declare void @"github.com/goplus/llgo/runtime/internal/runtime.AssertIndexRange"(i1)
+declare void @"github.com/goplus/llgo/runtime/internal/runtime.AssertIndexRange"(i1) #0
 
-declare void @"github.com/goplus/llgo/runtime/internal/runtime.PrintSlice"(%"github.com/goplus/llgo/runtime/internal/runtime.Slice")
+declare void @"github.com/goplus/llgo/runtime/internal/runtime.PrintSlice"(%"github.com/goplus/llgo/runtime/internal/runtime.Slice") #0
 
-declare %"github.com/goplus/llgo/runtime/internal/runtime.Slice" @"github.com/goplus/llgo/runtime/internal/runtime.SliceAppend"(%"github.com/goplus/llgo/runtime/internal/runtime.Slice", ptr, i64, i64)
+declare %"github.com/goplus/llgo/runtime/internal/runtime.Slice" @"github.com/goplus/llgo/runtime/internal/runtime.SliceAppend"(%"github.com/goplus/llgo/runtime/internal/runtime.Slice", ptr, i64, i64) #0
 
-attributes #0 = { nocallback nofree nounwind willreturn memory(argmem: write) }
+attributes #0 = { "frame-pointer"="non-leaf" }
+attributes #1 = { nocallback nofree nounwind willreturn memory(argmem: write) "frame-pointer"="non-leaf" }
diff --git a/cl/_testgo/typerecur/out.ll b/cl/_testgo/typerecur/out.ll
index 68ea7f9e74..1bafa6f937 100644
--- a/cl/_testgo/typerecur/out.ll
+++ b/cl/_testgo/typerecur/out.ll
@@ -8,7 +8,7 @@ source_filename = "github.com/goplus/llgo/cl/_testgo/typerecur"
 @"github.com/goplus/llgo/cl/_testgo/typerecur.init$guard" = global i1 false, align 1
 @0 = private unnamed_addr constant [6 x i8] c"count:", align 1
 
-define %"github.com/goplus/llgo/cl/_testgo/typerecur.stateFn" @"github.com/goplus/llgo/cl/_testgo/typerecur.countState"(ptr %0) {
+define %"github.com/goplus/llgo/cl/_testgo/typerecur.stateFn" @"github.com/goplus/llgo/cl/_testgo/typerecur.countState"(ptr %0) #0 {
 _llgo_0:
   %1 = getelementptr inbounds %"github.com/goplus/llgo/cl/_testgo/typerecur.counter", ptr %0, i32 0, i32 0
   %2 = load i64, ptr %1, align 4
@@ -35,7 +35,7 @@ _llgo_2:                                          ; preds = %_llgo_0
   ret %"github.com/goplus/llgo/cl/_testgo/typerecur.stateFn" { ptr @"__llgo_stub.github.com/goplus/llgo/cl/_testgo/typerecur.countState", ptr null }
 }
 
-define void @"github.com/goplus/llgo/cl/_testgo/typerecur.init"() {
+define void @"github.com/goplus/llgo/cl/_testgo/typerecur.init"() #0 {
 _llgo_0:
   %0 = load i1, ptr @"github.com/goplus/llgo/cl/_testgo/typerecur.init$guard", align 1
   br i1 %0, label %_llgo_2, label %_llgo_1
@@ -48,7 +48,7 @@ _llgo_2:                                          ; preds = %_llgo_1, %_llgo_0
   ret void
 }
 
-define void @"github.com/goplus/llgo/cl/_testgo/typerecur.main"() {
+define void @"github.com/goplus/llgo/cl/_testgo/typerecur.main"() #0 {
 _llgo_0:
   %0 = call ptr @"github.com/goplus/llgo/runtime/internal/runtime.AllocZ"(i64 32)
   %1 = getelementptr inbounds %"github.com/goplus/llgo/cl/_testgo/typerecur.counter", ptr %0, i32 0, i32 1
@@ -78,16 +78,18 @@ _llgo_3:                                          ; preds = %_llgo_1, %_llgo_0
   br i1 %12, label %_llgo_1, label %_llgo_2
 }
 
-declare void @"github.com/goplus/llgo/runtime/internal/runtime.PrintString"(%"github.com/goplus/llgo/runtime/internal/runtime.String")
+declare void @"github.com/goplus/llgo/runtime/internal/runtime.PrintString"(%"github.com/goplus/llgo/runtime/internal/runtime.String") #0
 
-declare void @"github.com/goplus/llgo/runtime/internal/runtime.PrintByte"(i8)
+declare void @"github.com/goplus/llgo/runtime/internal/runtime.PrintByte"(i8) #0
 
-declare void @"github.com/goplus/llgo/runtime/internal/runtime.PrintInt"(i64)
+declare void @"github.com/goplus/llgo/runtime/internal/runtime.PrintInt"(i64) #0
 
-define linkonce %"github.com/goplus/llgo/cl/_testgo/typerecur.stateFn" @"__llgo_stub.github.com/goplus/llgo/cl/_testgo/typerecur.countState"(ptr %0, ptr %1) {
+define linkonce %"github.com/goplus/llgo/cl/_testgo/typerecur.stateFn" @"__llgo_stub.github.com/goplus/llgo/cl/_testgo/typerecur.countState"(ptr %0, ptr %1) #0 {
 _llgo_0:
   %2 = tail call %"github.com/goplus/llgo/cl/_testgo/typerecur.stateFn" @"github.com/goplus/llgo/cl/_testgo/typerecur.countState"(ptr %1)
   ret %"github.com/goplus/llgo/cl/_testgo/typerecur.stateFn" %2
 }
 
-declare ptr @"github.com/goplus/llgo/runtime/internal/runtime.AllocZ"(i64)
+declare ptr @"github.com/goplus/llgo/runtime/internal/runtime.AllocZ"(i64) #0
+
+attributes #0 = { "frame-pointer"="non-leaf" }
diff --git a/cl/_testlibc/allocacstrs/out.ll b/cl/_testlibc/allocacstrs/out.ll
index 9a99e19ae7..a1be06a5a6 100644
--- a/cl/_testlibc/allocacstrs/out.ll
+++ b/cl/_testlibc/allocacstrs/out.ll
@@ -10,7 +10,7 @@ source_filename = "github.com/goplus/llgo/cl/_testlibc/allocacstrs"
 @2 = private unnamed_addr constant [1 x i8] c"c", align 1
 @3 = private unnamed_addr constant [4 x i8] c"%s\0A\00", align 1
 
-define void @"github.com/goplus/llgo/cl/_testlibc/allocacstrs.init"() {
+define void @"github.com/goplus/llgo/cl/_testlibc/allocacstrs.init"() #0 {
 _llgo_0:
   %0 = load i1, ptr @"github.com/goplus/llgo/cl/_testlibc/allocacstrs.init$guard", align 1
   br i1 %0, label %_llgo_2, label %_llgo_1
@@ -23,7 +23,7 @@ _llgo_2:                                          ; preds = %_llgo_1, %_llgo_0
   ret void
 }
 
-define void @"github.com/goplus/llgo/cl/_testlibc/allocacstrs.main"() {
+define void @"github.com/goplus/llgo/cl/_testlibc/allocacstrs.main"() #0 {
 _llgo_0:
   %0 = call ptr @"github.com/goplus/llgo/runtime/internal/runtime.AllocZ"(i64 48)
   %1 = getelementptr inbounds %"github.com/goplus/llgo/runtime/internal/runtime.String", ptr %0, i64 0
@@ -84,10 +84,12 @@ _llgo_6:                                          ; preds = %_llgo_4
   br label %_llgo_1
 }
 
-declare ptr @"github.com/goplus/llgo/runtime/internal/runtime.AllocZ"(i64)
+declare ptr @"github.com/goplus/llgo/runtime/internal/runtime.AllocZ"(i64) #0
 
-declare void @"github.com/goplus/llgo/runtime/internal/runtime.AssertIndexRange"(i1)
+declare void @"github.com/goplus/llgo/runtime/internal/runtime.AssertIndexRange"(i1) #0
 
-declare ptr @"github.com/goplus/llgo/runtime/internal/runtime.CStrCopy"(ptr, %"github.com/goplus/llgo/runtime/internal/runtime.String")
+declare ptr @"github.com/goplus/llgo/runtime/internal/runtime.CStrCopy"(ptr, %"github.com/goplus/llgo/runtime/internal/runtime.String") #0
 
-declare i32 @printf(ptr, ...)
+declare i32 @printf(ptr, ...) #0
+
+attributes #0 = { "frame-pointer"="non-leaf" }
diff --git a/cl/_testlibc/argv/out.ll b/cl/_testlibc/argv/out.ll
index 0671f36b13..21b172215d 100644
--- a/cl/_testlibc/argv/out.ll
+++ b/cl/_testlibc/argv/out.ll
@@ -6,7 +6,7 @@ source_filename = "github.com/goplus/llgo/cl/_testlibc/argv"
 @0 = private unnamed_addr constant [4 x i8] c"%s\0A\00", align 1
 @__llgo_argv = external global ptr, align 8
 
-define void @"github.com/goplus/llgo/cl/_testlibc/argv.init"() {
+define void @"github.com/goplus/llgo/cl/_testlibc/argv.init"() #0 {
 _llgo_0:
   %0 = load i1, ptr @"github.com/goplus/llgo/cl/_testlibc/argv.init$guard", align 1
   br i1 %0, label %_llgo_2, label %_llgo_1
@@ -19,7 +19,7 @@ _llgo_2:                                          ; preds = %_llgo_1, %_llgo_0
   ret void
 }
 
-define void @"github.com/goplus/llgo/cl/_testlibc/argv.main"() {
+define void @"github.com/goplus/llgo/cl/_testlibc/argv.main"() #0 {
 _llgo_0:
   br label %_llgo_1
 
@@ -41,4 +41,6 @@ _llgo_3:                                          ; preds = %_llgo_1
   ret void
 }
 
-declare i32 @printf(ptr, ...)
+declare i32 @printf(ptr, ...) #0
+
+attributes #0 = { "frame-pointer"="non-leaf" }
diff --git a/cl/_testlibc/atomic/out.ll b/cl/_testlibc/atomic/out.ll
index 213abeef2d..fd462c34c9 100644
--- a/cl/_testlibc/atomic/out.ll
+++ b/cl/_testlibc/atomic/out.ll
@@ -8,7 +8,7 @@ source_filename = "github.com/goplus/llgo/cl/_testlibc/atomic"
 @3 = private unnamed_addr constant [25 x i8] c"ret: %ld vs 101, v: %ld\0A\00", align 1
 @4 = private unnamed_addr constant [18 x i8] c"ret: %ld, v: %ld\0A\00", align 1
 
-define void @"github.com/goplus/llgo/cl/_testlibc/atomic.init"() {
+define void @"github.com/goplus/llgo/cl/_testlibc/atomic.init"() #0 {
 _llgo_0:
   %0 = load i1, ptr @"github.com/goplus/llgo/cl/_testlibc/atomic.init$guard", align 1
   br i1 %0, label %_llgo_2, label %_llgo_1
@@ -21,7 +21,7 @@ _llgo_2:                                          ; preds = %_llgo_1, %_llgo_0
   ret void
 }
 
-define void @"github.com/goplus/llgo/cl/_testlibc/atomic.main"() {
+define void @"github.com/goplus/llgo/cl/_testlibc/atomic.main"() #0 {
 _llgo_0:
   %0 = call ptr @"github.com/goplus/llgo/runtime/internal/runtime.AllocZ"(i64 8)
   store atomic i64 100, ptr %0 seq_cst, align 4
@@ -46,6 +46,8 @@ _llgo_0:
   ret void
 }
 
-declare ptr @"github.com/goplus/llgo/runtime/internal/runtime.AllocZ"(i64)
+declare ptr @"github.com/goplus/llgo/runtime/internal/runtime.AllocZ"(i64) #0
 
-declare i32 @printf(ptr, ...)
+declare i32 @printf(ptr, ...) #0
+
+attributes #0 = { "frame-pointer"="non-leaf" }
diff --git a/cl/_testlibc/demangle/out.ll b/cl/_testlibc/demangle/out.ll
index e061dd4f16..695513f04d 100644
--- a/cl/_testlibc/demangle/out.ll
+++ b/cl/_testlibc/demangle/out.ll
@@ -8,7 +8,7 @@ source_filename = "github.com/goplus/llgo/cl/_testlibc/demangle"
 @1 = private unnamed_addr constant [4 x i8] c"%s\0A\00", align 1
 @2 = private unnamed_addr constant [18 x i8] c"Failed to demangle", align 1
 
-define void @"github.com/goplus/llgo/cl/_testlibc/demangle.init"() {
+define void @"github.com/goplus/llgo/cl/_testlibc/demangle.init"() #0 {
 _llgo_0:
   %0 = load i1, ptr @"github.com/goplus/llgo/cl/_testlibc/demangle.init$guard", align 1
   br i1 %0, label %_llgo_2, label %_llgo_1
@@ -21,7 +21,7 @@ _llgo_2:                                          ; preds = %_llgo_1, %_llgo_0
   ret void
 }
 
-define void @"github.com/goplus/llgo/cl/_testlibc/demangle.main"() {
+define void @"github.com/goplus/llgo/cl/_testlibc/demangle.main"() #0 {
 _llgo_0:
   %0 = call ptr @_ZN4llvm15itaniumDemangleENSt3__117basic_string_viewIcNS0_11char_traitsIcEEEEb(%"github.com/goplus/llgo/runtime/internal/runtime.String" { ptr @0, i64 29 }, i1 true)
   %1 = icmp ne ptr %0, null
@@ -40,10 +40,12 @@ _llgo_3:                                          ; preds = %_llgo_0
   br label %_llgo_2
 }
 
-declare ptr @_ZN4llvm15itaniumDemangleENSt3__117basic_string_viewIcNS0_11char_traitsIcEEEEb(%"github.com/goplus/llgo/runtime/internal/runtime.String", i1)
+declare ptr @_ZN4llvm15itaniumDemangleENSt3__117basic_string_viewIcNS0_11char_traitsIcEEEEb(%"github.com/goplus/llgo/runtime/internal/runtime.String", i1) #0
 
-declare i32 @printf(ptr, ...)
+declare i32 @printf(ptr, ...) #0
 
-declare void @"github.com/goplus/llgo/runtime/internal/runtime.PrintString"(%"github.com/goplus/llgo/runtime/internal/runtime.String")
+declare void @"github.com/goplus/llgo/runtime/internal/runtime.PrintString"(%"github.com/goplus/llgo/runtime/internal/runtime.String") #0
 
-declare void @"github.com/goplus/llgo/runtime/internal/runtime.PrintByte"(i8)
+declare void @"github.com/goplus/llgo/runtime/internal/runtime.PrintByte"(i8) #0
+
+attributes #0 = { "frame-pointer"="non-leaf" }
diff --git a/cl/_testlibc/sqlite/out.ll b/cl/_testlibc/sqlite/out.ll
index f55db8b23b..e34261ba33 100644
--- a/cl/_testlibc/sqlite/out.ll
+++ b/cl/_testlibc/sqlite/out.ll
@@ -5,7 +5,7 @@ source_filename = "github.com/goplus/llgo/cl/_testlibc/sqlite"
 @0 = private unnamed_addr constant [20 x i8] c"==> Error: (%d) %s\0A\00", align 1
 @1 = private unnamed_addr constant [9 x i8] c":memory:\00", align 1
 
-define void @"github.com/goplus/llgo/cl/_testlibc/sqlite.check"(i32 %0) {
+define void @"github.com/goplus/llgo/cl/_testlibc/sqlite.check"(i32 %0) #0 {
 _llgo_0:
   %1 = icmp ne i32 %0, 0
   br i1 %1, label %_llgo_1, label %_llgo_2
@@ -20,7 +20,7 @@ _llgo_2:                                          ; preds = %_llgo_1, %_llgo_0
   ret void
 }
 
-define void @"github.com/goplus/llgo/cl/_testlibc/sqlite.init"() {
+define void @"github.com/goplus/llgo/cl/_testlibc/sqlite.init"() #0 {
 _llgo_0:
   %0 = load i1, ptr @"github.com/goplus/llgo/cl/_testlibc/sqlite.init$guard", align 1
   br i1 %0, label %_llgo_2, label %_llgo_1
@@ -33,7 +33,7 @@ _llgo_2:                                          ; preds = %_llgo_1, %_llgo_0
   ret void
 }
 
-define void @"github.com/goplus/llgo/cl/_testlibc/sqlite.main"() {
+define void @"github.com/goplus/llgo/cl/_testlibc/sqlite.main"() #0 {
 _llgo_0:
   %0 = call { ptr, i32 } @"github.com/goplus/lib/c/sqlite.OpenV2"(ptr @1, i32 130, ptr null)
   %1 = extractvalue { ptr, i32 } %0, 0
@@ -43,12 +43,14 @@ _llgo_0:
   ret void
 }
 
-declare ptr @sqlite3_errstr(i32)
+declare ptr @sqlite3_errstr(i32) #0
 
-declare i32 @printf(ptr, ...)
+declare i32 @printf(ptr, ...) #0
 
-declare void @exit(i32)
+declare void @exit(i32) #0
 
-declare { ptr, i32 } @"github.com/goplus/lib/c/sqlite.OpenV2"(ptr, i32, ptr)
+declare { ptr, i32 } @"github.com/goplus/lib/c/sqlite.OpenV2"(ptr, i32, ptr) #0
 
-declare i32 @sqlite3_close(ptr)
+declare i32 @sqlite3_close(ptr) #0
+
+attributes #0 = { "frame-pointer"="non-leaf" }
diff --git a/cl/_testlibgo/atomic/out.ll b/cl/_testlibgo/atomic/out.ll
index 7a6be6a9b9..3e25d5da2b 100644
--- a/cl/_testlibgo/atomic/out.ll
+++ b/cl/_testlibgo/atomic/out.ll
@@ -9,7 +9,7 @@ source_filename = "github.com/goplus/llgo/cl/_testlibgo/atomic"
 @2 = private unnamed_addr constant [2 x i8] c"v:", align 1
 @3 = private unnamed_addr constant [4 x i8] c"swp:", align 1
 
-define void @"github.com/goplus/llgo/cl/_testlibgo/atomic.init"() {
+define void @"github.com/goplus/llgo/cl/_testlibgo/atomic.init"() #0 {
 _llgo_0:
   %0 = load i1, ptr @"github.com/goplus/llgo/cl/_testlibgo/atomic.init$guard", align 1
   br i1 %0, label %_llgo_2, label %_llgo_1
@@ -23,7 +23,7 @@ _llgo_2:                                          ; preds = %_llgo_1, %_llgo_0
   ret void
 }
 
-define void @"github.com/goplus/llgo/cl/_testlibgo/atomic.main"() {
+define void @"github.com/goplus/llgo/cl/_testlibgo/atomic.main"() #0 {
 _llgo_0:
   %0 = call ptr @"github.com/goplus/llgo/runtime/internal/runtime.AllocZ"(i64 8)
   call void @"sync/atomic.StoreInt64"(ptr %0, i64 100)
@@ -75,22 +75,24 @@ _llgo_0:
   ret void
 }
 
-declare void @"sync/atomic.init"()
+declare void @"sync/atomic.init"() #0
 
-declare ptr @"github.com/goplus/llgo/runtime/internal/runtime.AllocZ"(i64)
+declare ptr @"github.com/goplus/llgo/runtime/internal/runtime.AllocZ"(i64) #0
 
-declare void @"sync/atomic.StoreInt64"(ptr, i64)
+declare void @"sync/atomic.StoreInt64"(ptr, i64) #0
 
-declare i64 @"sync/atomic.LoadInt64"(ptr)
+declare i64 @"sync/atomic.LoadInt64"(ptr) #0
 
-declare void @"github.com/goplus/llgo/runtime/internal/runtime.PrintString"(%"github.com/goplus/llgo/runtime/internal/runtime.String")
+declare void @"github.com/goplus/llgo/runtime/internal/runtime.PrintString"(%"github.com/goplus/llgo/runtime/internal/runtime.String") #0
 
-declare void @"github.com/goplus/llgo/runtime/internal/runtime.PrintByte"(i8)
+declare void @"github.com/goplus/llgo/runtime/internal/runtime.PrintByte"(i8) #0
 
-declare void @"github.com/goplus/llgo/runtime/internal/runtime.PrintInt"(i64)
+declare void @"github.com/goplus/llgo/runtime/internal/runtime.PrintInt"(i64) #0
 
-declare i64 @"sync/atomic.AddInt64"(ptr, i64)
+declare i64 @"sync/atomic.AddInt64"(ptr, i64) #0
 
-declare i1 @"sync/atomic.CompareAndSwapInt64"(ptr, i64, i64)
+declare i1 @"sync/atomic.CompareAndSwapInt64"(ptr, i64, i64) #0
 
-declare void @"github.com/goplus/llgo/runtime/internal/runtime.PrintBool"(i1)
+declare void @"github.com/goplus/llgo/runtime/internal/runtime.PrintBool"(i1) #0
+
+attributes #0 = { "frame-pointer"="non-leaf" }
diff --git a/cl/_testlibgo/bytes/out.ll b/cl/_testlibgo/bytes/out.ll
index 672bb21b8c..824f0daecb 100644
--- a/cl/_testlibgo/bytes/out.ll
+++ b/cl/_testlibgo/bytes/out.ll
@@ -12,7 +12,7 @@ source_filename = "github.com/goplus/llgo/cl/_testlibgo/bytes"
 @3 = private unnamed_addr constant [2 x i8] c"Go", align 1
 @4 = private unnamed_addr constant [2 x i8] c"go", align 1
 
-define void @"github.com/goplus/llgo/cl/_testlibgo/bytes.init"() {
+define void @"github.com/goplus/llgo/cl/_testlibgo/bytes.init"() #0 {
 _llgo_0:
   %0 = load i1, ptr @"github.com/goplus/llgo/cl/_testlibgo/bytes.init$guard", align 1
   br i1 %0, label %_llgo_2, label %_llgo_1
@@ -26,7 +26,7 @@ _llgo_2:                                          ; preds = %_llgo_1, %_llgo_0
   ret void
 }
 
-define void @"github.com/goplus/llgo/cl/_testlibgo/bytes.main"() {
+define void @"github.com/goplus/llgo/cl/_testlibgo/bytes.main"() #0 {
 _llgo_0:
   %0 = call ptr @"github.com/goplus/llgo/runtime/internal/runtime.AllocZ"(i64 40)
   %1 = call %"github.com/goplus/llgo/runtime/internal/runtime.Slice" @"github.com/goplus/llgo/runtime/internal/runtime.StringToBytes"(%"github.com/goplus/llgo/runtime/internal/runtime.String" { ptr @0, i64 6 })
@@ -48,26 +48,28 @@ _llgo_0:
   ret void
 }
 
-declare void @bytes.init()
+declare void @bytes.init() #0
 
-declare ptr @"github.com/goplus/llgo/runtime/internal/runtime.AllocZ"(i64)
+declare ptr @"github.com/goplus/llgo/runtime/internal/runtime.AllocZ"(i64) #0
 
-declare %"github.com/goplus/llgo/runtime/internal/runtime.Slice" @"github.com/goplus/llgo/runtime/internal/runtime.StringToBytes"(%"github.com/goplus/llgo/runtime/internal/runtime.String")
+declare %"github.com/goplus/llgo/runtime/internal/runtime.Slice" @"github.com/goplus/llgo/runtime/internal/runtime.StringToBytes"(%"github.com/goplus/llgo/runtime/internal/runtime.String") #0
 
-declare { i64, %"github.com/goplus/llgo/runtime/internal/runtime.iface" } @"bytes.(*Buffer).Write"(ptr, %"github.com/goplus/llgo/runtime/internal/runtime.Slice")
+declare { i64, %"github.com/goplus/llgo/runtime/internal/runtime.iface" } @"bytes.(*Buffer).Write"(ptr, %"github.com/goplus/llgo/runtime/internal/runtime.Slice") #0
 
-declare { i64, %"github.com/goplus/llgo/runtime/internal/runtime.iface" } @"bytes.(*Buffer).WriteString"(ptr, %"github.com/goplus/llgo/runtime/internal/runtime.String")
+declare { i64, %"github.com/goplus/llgo/runtime/internal/runtime.iface" } @"bytes.(*Buffer).WriteString"(ptr, %"github.com/goplus/llgo/runtime/internal/runtime.String") #0
 
-declare %"github.com/goplus/llgo/runtime/internal/runtime.Slice" @"bytes.(*Buffer).Bytes"(ptr)
+declare %"github.com/goplus/llgo/runtime/internal/runtime.Slice" @"bytes.(*Buffer).Bytes"(ptr) #0
 
-declare %"github.com/goplus/llgo/runtime/internal/runtime.String" @"bytes.(*Buffer).String"(ptr)
+declare %"github.com/goplus/llgo/runtime/internal/runtime.String" @"bytes.(*Buffer).String"(ptr) #0
 
-declare void @"github.com/goplus/llgo/runtime/internal/runtime.PrintString"(%"github.com/goplus/llgo/runtime/internal/runtime.String")
+declare void @"github.com/goplus/llgo/runtime/internal/runtime.PrintString"(%"github.com/goplus/llgo/runtime/internal/runtime.String") #0
 
-declare void @"github.com/goplus/llgo/runtime/internal/runtime.PrintByte"(i8)
+declare void @"github.com/goplus/llgo/runtime/internal/runtime.PrintByte"(i8) #0
 
-declare void @"github.com/goplus/llgo/runtime/internal/runtime.PrintSlice"(%"github.com/goplus/llgo/runtime/internal/runtime.Slice")
+declare void @"github.com/goplus/llgo/runtime/internal/runtime.PrintSlice"(%"github.com/goplus/llgo/runtime/internal/runtime.Slice") #0
 
-declare i1 @bytes.EqualFold(%"github.com/goplus/llgo/runtime/internal/runtime.Slice", %"github.com/goplus/llgo/runtime/internal/runtime.Slice")
+declare i1 @bytes.EqualFold(%"github.com/goplus/llgo/runtime/internal/runtime.Slice", %"github.com/goplus/llgo/runtime/internal/runtime.Slice") #0
 
-declare void @"github.com/goplus/llgo/runtime/internal/runtime.PrintBool"(i1)
+declare void @"github.com/goplus/llgo/runtime/internal/runtime.PrintBool"(i1) #0
+
+attributes #0 = { "frame-pointer"="non-leaf" }
diff --git a/cl/_testlibgo/complex/out.ll b/cl/_testlibgo/complex/out.ll
index f048fa2449..0f91769f77 100644
--- a/cl/_testlibgo/complex/out.ll
+++ b/cl/_testlibgo/complex/out.ll
@@ -8,7 +8,7 @@ source_filename = "github.com/goplus/llgo/cl/_testlibgo/complex"
 @1 = private unnamed_addr constant [11 x i8] c"real(3+4i):", align 1
 @2 = private unnamed_addr constant [11 x i8] c"imag(3+4i):", align 1
 
-define void @"github.com/goplus/llgo/cl/_testlibgo/complex.f"({ double, double } %0, { double, double } %1) {
+define void @"github.com/goplus/llgo/cl/_testlibgo/complex.f"({ double, double } %0, { double, double } %1) #0 {
 _llgo_0:
   %2 = call double @"math/cmplx.Abs"({ double, double } %0)
   call void @"github.com/goplus/llgo/runtime/internal/runtime.PrintString"(%"github.com/goplus/llgo/runtime/internal/runtime.String" { ptr @0, i64 10 })
@@ -28,7 +28,7 @@ _llgo_0:
   ret void
 }
 
-define void @"github.com/goplus/llgo/cl/_testlibgo/complex.init"() {
+define void @"github.com/goplus/llgo/cl/_testlibgo/complex.init"() #0 {
 _llgo_0:
   %0 = load i1, ptr @"github.com/goplus/llgo/cl/_testlibgo/complex.init$guard", align 1
   br i1 %0, label %_llgo_2, label %_llgo_1
@@ -42,18 +42,20 @@ _llgo_2:                                          ; preds = %_llgo_1, %_llgo_0
   ret void
 }
 
-define void @"github.com/goplus/llgo/cl/_testlibgo/complex.main"() {
+define void @"github.com/goplus/llgo/cl/_testlibgo/complex.main"() #0 {
 _llgo_0:
   call void @"github.com/goplus/llgo/cl/_testlibgo/complex.f"({ double, double } { double 3.000000e+00, double 4.000000e+00 }, { double, double } { double 3.000000e+00, double 4.000000e+00 })
   ret void
 }
 
-declare double @"math/cmplx.Abs"({ double, double })
+declare double @"math/cmplx.Abs"({ double, double }) #0
 
-declare void @"github.com/goplus/llgo/runtime/internal/runtime.PrintString"(%"github.com/goplus/llgo/runtime/internal/runtime.String")
+declare void @"github.com/goplus/llgo/runtime/internal/runtime.PrintString"(%"github.com/goplus/llgo/runtime/internal/runtime.String") #0
 
-declare void @"github.com/goplus/llgo/runtime/internal/runtime.PrintByte"(i8)
+declare void @"github.com/goplus/llgo/runtime/internal/runtime.PrintByte"(i8) #0
 
-declare void @"github.com/goplus/llgo/runtime/internal/runtime.PrintFloat"(double)
+declare void @"github.com/goplus/llgo/runtime/internal/runtime.PrintFloat"(double) #0
 
-declare void @"math/cmplx.init"()
+declare void @"math/cmplx.init"() #0
+
+attributes #0 = { "frame-pointer"="non-leaf" }
diff --git a/cl/_testlibgo/errors/out.ll b/cl/_testlibgo/errors/out.ll
index f568287a32..5cc613e3eb 100644
--- a/cl/_testlibgo/errors/out.ll
+++ b/cl/_testlibgo/errors/out.ll
@@ -8,7 +8,7 @@ source_filename = "github.com/goplus/llgo/cl/_testlibgo/errors"
 @"github.com/goplus/llgo/cl/_testlibgo/errors.init$guard" = global i1 false, align 1
 @0 = private unnamed_addr constant [5 x i8] c"error", align 1
 
-define void @"github.com/goplus/llgo/cl/_testlibgo/errors.init"() {
+define void @"github.com/goplus/llgo/cl/_testlibgo/errors.init"() #0 {
 _llgo_0:
   %0 = load i1, ptr @"github.com/goplus/llgo/cl/_testlibgo/errors.init$guard", align 1
   br i1 %0, label %_llgo_2, label %_llgo_1
@@ -22,7 +22,7 @@ _llgo_2:                                          ; preds = %_llgo_1, %_llgo_0
   ret void
 }
 
-define void @"github.com/goplus/llgo/cl/_testlibgo/errors.main"() {
+define void @"github.com/goplus/llgo/cl/_testlibgo/errors.main"() #0 {
 _llgo_0:
   %0 = call %"github.com/goplus/llgo/runtime/internal/runtime.iface" @errors.New(%"github.com/goplus/llgo/runtime/internal/runtime.String" { ptr @0, i64 5 })
   %1 = call ptr @"github.com/goplus/llgo/runtime/internal/runtime.IfaceType"(%"github.com/goplus/llgo/runtime/internal/runtime.iface" %0)
@@ -33,10 +33,12 @@ _llgo_0:
   unreachable
 }
 
-declare void @errors.init()
+declare void @errors.init() #0
 
-declare %"github.com/goplus/llgo/runtime/internal/runtime.iface" @errors.New(%"github.com/goplus/llgo/runtime/internal/runtime.String")
+declare %"github.com/goplus/llgo/runtime/internal/runtime.iface" @errors.New(%"github.com/goplus/llgo/runtime/internal/runtime.String") #0
 
-declare ptr @"github.com/goplus/llgo/runtime/internal/runtime.IfaceType"(%"github.com/goplus/llgo/runtime/internal/runtime.iface")
+declare ptr @"github.com/goplus/llgo/runtime/internal/runtime.IfaceType"(%"github.com/goplus/llgo/runtime/internal/runtime.iface") #0
 
-declare void @"github.com/goplus/llgo/runtime/internal/runtime.Panic"(%"github.com/goplus/llgo/runtime/internal/runtime.eface")
+declare void @"github.com/goplus/llgo/runtime/internal/runtime.Panic"(%"github.com/goplus/llgo/runtime/internal/runtime.eface") #0
+
+attributes #0 = { "frame-pointer"="non-leaf" }
diff --git a/cl/_testlibgo/math/out.ll b/cl/_testlibgo/math/out.ll
index 85850746a9..add89d8975 100644
--- a/cl/_testlibgo/math/out.ll
+++ b/cl/_testlibgo/math/out.ll
@@ -3,7 +3,7 @@ source_filename = "github.com/goplus/llgo/cl/_testlibgo/math"
 
 @"github.com/goplus/llgo/cl/_testlibgo/math.init$guard" = global i1 false, align 1
 
-define void @"github.com/goplus/llgo/cl/_testlibgo/math.init"() {
+define void @"github.com/goplus/llgo/cl/_testlibgo/math.init"() #0 {
 _llgo_0:
   %0 = load i1, ptr @"github.com/goplus/llgo/cl/_testlibgo/math.init$guard", align 1
   br i1 %0, label %_llgo_2, label %_llgo_1
@@ -17,7 +17,7 @@ _llgo_2:                                          ; preds = %_llgo_1, %_llgo_0
   ret void
 }
 
-define void @"github.com/goplus/llgo/cl/_testlibgo/math.main"() {
+define void @"github.com/goplus/llgo/cl/_testlibgo/math.main"() #0 {
 _llgo_0:
   %0 = call double @math.Sqrt(double 2.000000e+00)
   call void @"github.com/goplus/llgo/runtime/internal/runtime.PrintFloat"(double %0)
@@ -31,14 +31,16 @@ _llgo_0:
   ret void
 }
 
-declare void @math.init()
+declare void @math.init() #0
 
-declare double @math.Sqrt(double)
+declare double @math.Sqrt(double) #0
 
-declare void @"github.com/goplus/llgo/runtime/internal/runtime.PrintFloat"(double)
+declare void @"github.com/goplus/llgo/runtime/internal/runtime.PrintFloat"(double) #0
 
-declare void @"github.com/goplus/llgo/runtime/internal/runtime.PrintByte"(i8)
+declare void @"github.com/goplus/llgo/runtime/internal/runtime.PrintByte"(i8) #0
 
-declare double @math.Abs(double)
+declare double @math.Abs(double) #0
 
-declare double @math.Ldexp(double, i64)
+declare double @math.Ldexp(double, i64) #0
+
+attributes #0 = { "frame-pointer"="non-leaf" }
diff --git a/cl/_testlibgo/mathbits/out.ll b/cl/_testlibgo/mathbits/out.ll
index 73de6fe3d7..73f5ea3b76 100644
--- a/cl/_testlibgo/mathbits/out.ll
+++ b/cl/_testlibgo/mathbits/out.ll
@@ -3,7 +3,7 @@ source_filename = "github.com/goplus/llgo/cl/_testlibgo/mathbits"
 
 @"github.com/goplus/llgo/cl/_testlibgo/mathbits.init$guard" = global i1 false, align 1
 
-define void @"github.com/goplus/llgo/cl/_testlibgo/mathbits.init"() {
+define void @"github.com/goplus/llgo/cl/_testlibgo/mathbits.init"() #0 {
 _llgo_0:
   %0 = load i1, ptr @"github.com/goplus/llgo/cl/_testlibgo/mathbits.init$guard", align 1
   br i1 %0, label %_llgo_2, label %_llgo_1
@@ -17,7 +17,7 @@ _llgo_2:                                          ; preds = %_llgo_1, %_llgo_0
   ret void
 }
 
-define void @"github.com/goplus/llgo/cl/_testlibgo/mathbits.main"() {
+define void @"github.com/goplus/llgo/cl/_testlibgo/mathbits.main"() #0 {
 _llgo_0:
   %0 = call i64 @"math/bits.Len8"(i8 20)
   call void @"github.com/goplus/llgo/runtime/internal/runtime.PrintInt"(i64 %0)
@@ -28,12 +28,14 @@ _llgo_0:
   ret void
 }
 
-declare void @"math/bits.init"()
+declare void @"math/bits.init"() #0
 
-declare i64 @"math/bits.Len8"(i8)
+declare i64 @"math/bits.Len8"(i8) #0
 
-declare void @"github.com/goplus/llgo/runtime/internal/runtime.PrintInt"(i64)
+declare void @"github.com/goplus/llgo/runtime/internal/runtime.PrintInt"(i64) #0
 
-declare void @"github.com/goplus/llgo/runtime/internal/runtime.PrintByte"(i8)
+declare void @"github.com/goplus/llgo/runtime/internal/runtime.PrintByte"(i8) #0
 
-declare i64 @"math/bits.OnesCount"(i64)
+declare i64 @"math/bits.OnesCount"(i64) #0
+
+attributes #0 = { "frame-pointer"="non-leaf" }
diff --git a/cl/_testlibgo/nettextproto/out.ll b/cl/_testlibgo/nettextproto/out.ll
index cce1f48303..f2287101c9 100644
--- a/cl/_testlibgo/nettextproto/out.ll
+++ b/cl/_testlibgo/nettextproto/out.ll
@@ -6,7 +6,7 @@ source_filename = "github.com/goplus/llgo/cl/_testlibgo/nettextproto"
 @"github.com/goplus/llgo/cl/_testlibgo/nettextproto.init$guard" = global i1 false, align 1
 @0 = private unnamed_addr constant [4 x i8] c"host", align 1
 
-define void @"github.com/goplus/llgo/cl/_testlibgo/nettextproto.init"() {
+define void @"github.com/goplus/llgo/cl/_testlibgo/nettextproto.init"() #0 {
 _llgo_0:
   %0 = load i1, ptr @"github.com/goplus/llgo/cl/_testlibgo/nettextproto.init$guard", align 1
   br i1 %0, label %_llgo_2, label %_llgo_1
@@ -20,7 +20,7 @@ _llgo_2:                                          ; preds = %_llgo_1, %_llgo_0
   ret void
 }
 
-define void @"github.com/goplus/llgo/cl/_testlibgo/nettextproto.main"() {
+define void @"github.com/goplus/llgo/cl/_testlibgo/nettextproto.main"() #0 {
 _llgo_0:
   %0 = call %"github.com/goplus/llgo/runtime/internal/runtime.String" @"net/textproto.CanonicalMIMEHeaderKey"(%"github.com/goplus/llgo/runtime/internal/runtime.String" { ptr @0, i64 4 })
   call void @"github.com/goplus/llgo/runtime/internal/runtime.PrintString"(%"github.com/goplus/llgo/runtime/internal/runtime.String" %0)
@@ -28,10 +28,12 @@ _llgo_0:
   ret void
 }
 
-declare void @"net/textproto.init"()
+declare void @"net/textproto.init"() #0
 
-declare %"github.com/goplus/llgo/runtime/internal/runtime.String" @"net/textproto.CanonicalMIMEHeaderKey"(%"github.com/goplus/llgo/runtime/internal/runtime.String")
+declare %"github.com/goplus/llgo/runtime/internal/runtime.String" @"net/textproto.CanonicalMIMEHeaderKey"(%"github.com/goplus/llgo/runtime/internal/runtime.String") #0
 
-declare void @"github.com/goplus/llgo/runtime/internal/runtime.PrintString"(%"github.com/goplus/llgo/runtime/internal/runtime.String")
+declare void @"github.com/goplus/llgo/runtime/internal/runtime.PrintString"(%"github.com/goplus/llgo/runtime/internal/runtime.String") #0
 
-declare void @"github.com/goplus/llgo/runtime/internal/runtime.PrintByte"(i8)
+declare void @"github.com/goplus/llgo/runtime/internal/runtime.PrintByte"(i8) #0
+
+attributes #0 = { "frame-pointer"="non-leaf" }
diff --git a/cl/_testlibgo/os/out.ll b/cl/_testlibgo/os/out.ll
index 76ad619b59..f58338e68c 100644
--- a/cl/_testlibgo/os/out.ll
+++ b/cl/_testlibgo/os/out.ll
@@ -8,7 +8,7 @@ source_filename = "github.com/goplus/llgo/cl/_testlibgo/os"
 @"github.com/goplus/llgo/cl/_testlibgo/os.init$guard" = global i1 false, align 1
 @0 = private unnamed_addr constant [4 x i8] c"cwd:", align 1
 
-define void @"github.com/goplus/llgo/cl/_testlibgo/os.init"() {
+define void @"github.com/goplus/llgo/cl/_testlibgo/os.init"() #0 {
 _llgo_0:
   %0 = load i1, ptr @"github.com/goplus/llgo/cl/_testlibgo/os.init$guard", align 1
   br i1 %0, label %_llgo_2, label %_llgo_1
@@ -22,7 +22,7 @@ _llgo_2:                                          ; preds = %_llgo_1, %_llgo_0
   ret void
 }
 
-define void @"github.com/goplus/llgo/cl/_testlibgo/os.main"() {
+define void @"github.com/goplus/llgo/cl/_testlibgo/os.main"() #0 {
 _llgo_0:
   %0 = call { %"github.com/goplus/llgo/runtime/internal/runtime.String", %"github.com/goplus/llgo/runtime/internal/runtime.iface" } @os.Getwd()
   %1 = extractvalue { %"github.com/goplus/llgo/runtime/internal/runtime.String", %"github.com/goplus/llgo/runtime/internal/runtime.iface" } %0, 0
@@ -54,16 +54,18 @@ _llgo_2:                                          ; preds = %_llgo_0
   ret void
 }
 
-declare void @os.init()
+declare void @os.init() #0
 
-declare { %"github.com/goplus/llgo/runtime/internal/runtime.String", %"github.com/goplus/llgo/runtime/internal/runtime.iface" } @os.Getwd()
+declare { %"github.com/goplus/llgo/runtime/internal/runtime.String", %"github.com/goplus/llgo/runtime/internal/runtime.iface" } @os.Getwd() #0
 
-declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.EfaceEqual"(%"github.com/goplus/llgo/runtime/internal/runtime.eface", %"github.com/goplus/llgo/runtime/internal/runtime.eface")
+declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.EfaceEqual"(%"github.com/goplus/llgo/runtime/internal/runtime.eface", %"github.com/goplus/llgo/runtime/internal/runtime.eface") #0
 
-declare ptr @"github.com/goplus/llgo/runtime/internal/runtime.IfaceType"(%"github.com/goplus/llgo/runtime/internal/runtime.iface")
+declare ptr @"github.com/goplus/llgo/runtime/internal/runtime.IfaceType"(%"github.com/goplus/llgo/runtime/internal/runtime.iface") #0
 
-declare void @"github.com/goplus/llgo/runtime/internal/runtime.Panic"(%"github.com/goplus/llgo/runtime/internal/runtime.eface")
+declare void @"github.com/goplus/llgo/runtime/internal/runtime.Panic"(%"github.com/goplus/llgo/runtime/internal/runtime.eface") #0
 
-declare void @"github.com/goplus/llgo/runtime/internal/runtime.PrintString"(%"github.com/goplus/llgo/runtime/internal/runtime.String")
+declare void @"github.com/goplus/llgo/runtime/internal/runtime.PrintString"(%"github.com/goplus/llgo/runtime/internal/runtime.String") #0
 
-declare void @"github.com/goplus/llgo/runtime/internal/runtime.PrintByte"(i8)
+declare void @"github.com/goplus/llgo/runtime/internal/runtime.PrintByte"(i8) #0
+
+attributes #0 = { "frame-pointer"="non-leaf" }
diff --git a/cl/_testlibgo/strings/out.ll b/cl/_testlibgo/strings/out.ll
index 2f33151d3a..1401b0bfe2 100644
--- a/cl/_testlibgo/strings/out.ll
+++ b/cl/_testlibgo/strings/out.ll
@@ -15,7 +15,7 @@ source_filename = "github.com/goplus/llgo/cl/_testlibgo/strings"
 @6 = private unnamed_addr constant [12 x i8] c"Hello, world", align 1
 @unicode.Han = external global ptr, align 8
 
-define void @"github.com/goplus/llgo/cl/_testlibgo/strings.init"() {
+define void @"github.com/goplus/llgo/cl/_testlibgo/strings.init"() #0 {
 _llgo_0:
   %0 = load i1, ptr @"github.com/goplus/llgo/cl/_testlibgo/strings.init$guard", align 1
   br i1 %0, label %_llgo_2, label %_llgo_1
@@ -30,7 +30,7 @@ _llgo_2:                                          ; preds = %_llgo_1, %_llgo_0
   ret void
 }
 
-define void @"github.com/goplus/llgo/cl/_testlibgo/strings.main"() {
+define void @"github.com/goplus/llgo/cl/_testlibgo/strings.main"() #0 {
 _llgo_0:
   %0 = call ptr @"github.com/goplus/llgo/runtime/internal/runtime.AllocZ"(i64 32)
   %1 = call %"github.com/goplus/llgo/runtime/internal/runtime.Slice" @"github.com/goplus/llgo/runtime/internal/runtime.StringToBytes"(%"github.com/goplus/llgo/runtime/internal/runtime.String" { ptr @0, i64 6 })
@@ -60,43 +60,45 @@ _llgo_0:
   ret void
 }
 
-define i1 @"github.com/goplus/llgo/cl/_testlibgo/strings.main$1"(i32 %0) {
+define i1 @"github.com/goplus/llgo/cl/_testlibgo/strings.main$1"(i32 %0) #0 {
 _llgo_0:
   %1 = load ptr, ptr @unicode.Han, align 8
   %2 = call i1 @unicode.Is(ptr %1, i32 %0)
   ret i1 %2
 }
 
-declare void @strings.init()
+declare void @strings.init() #0
 
-declare void @unicode.init()
+declare void @unicode.init() #0
 
-declare ptr @"github.com/goplus/llgo/runtime/internal/runtime.AllocZ"(i64)
+declare ptr @"github.com/goplus/llgo/runtime/internal/runtime.AllocZ"(i64) #0
 
-declare %"github.com/goplus/llgo/runtime/internal/runtime.Slice" @"github.com/goplus/llgo/runtime/internal/runtime.StringToBytes"(%"github.com/goplus/llgo/runtime/internal/runtime.String")
+declare %"github.com/goplus/llgo/runtime/internal/runtime.Slice" @"github.com/goplus/llgo/runtime/internal/runtime.StringToBytes"(%"github.com/goplus/llgo/runtime/internal/runtime.String") #0
 
-declare { i64, %"github.com/goplus/llgo/runtime/internal/runtime.iface" } @"strings.(*Builder).Write"(ptr, %"github.com/goplus/llgo/runtime/internal/runtime.Slice")
+declare { i64, %"github.com/goplus/llgo/runtime/internal/runtime.iface" } @"strings.(*Builder).Write"(ptr, %"github.com/goplus/llgo/runtime/internal/runtime.Slice") #0
 
-declare { i64, %"github.com/goplus/llgo/runtime/internal/runtime.iface" } @"strings.(*Builder).WriteString"(ptr, %"github.com/goplus/llgo/runtime/internal/runtime.String")
+declare { i64, %"github.com/goplus/llgo/runtime/internal/runtime.iface" } @"strings.(*Builder).WriteString"(ptr, %"github.com/goplus/llgo/runtime/internal/runtime.String") #0
 
-declare i64 @"strings.(*Builder).Len"(ptr)
+declare i64 @"strings.(*Builder).Len"(ptr) #0
 
-declare i64 @"strings.(*Builder).Cap"(ptr)
+declare i64 @"strings.(*Builder).Cap"(ptr) #0
 
-declare %"github.com/goplus/llgo/runtime/internal/runtime.String" @"strings.(*Builder).String"(ptr)
+declare %"github.com/goplus/llgo/runtime/internal/runtime.String" @"strings.(*Builder).String"(ptr) #0
 
-declare void @"github.com/goplus/llgo/runtime/internal/runtime.PrintString"(%"github.com/goplus/llgo/runtime/internal/runtime.String")
+declare void @"github.com/goplus/llgo/runtime/internal/runtime.PrintString"(%"github.com/goplus/llgo/runtime/internal/runtime.String") #0
 
-declare void @"github.com/goplus/llgo/runtime/internal/runtime.PrintByte"(i8)
+declare void @"github.com/goplus/llgo/runtime/internal/runtime.PrintByte"(i8) #0
 
-declare void @"github.com/goplus/llgo/runtime/internal/runtime.PrintInt"(i64)
+declare void @"github.com/goplus/llgo/runtime/internal/runtime.PrintInt"(i64) #0
 
-declare i64 @strings.IndexFunc(%"github.com/goplus/llgo/runtime/internal/runtime.String", { ptr, ptr })
+declare i64 @strings.IndexFunc(%"github.com/goplus/llgo/runtime/internal/runtime.String", { ptr, ptr }) #0
 
-define linkonce i1 @"__llgo_stub.github.com/goplus/llgo/cl/_testlibgo/strings.main$1"(ptr %0, i32 %1) {
+define linkonce i1 @"__llgo_stub.github.com/goplus/llgo/cl/_testlibgo/strings.main$1"(ptr %0, i32 %1) #0 {
 _llgo_0:
   %2 = tail call i1 @"github.com/goplus/llgo/cl/_testlibgo/strings.main$1"(i32 %1)
   ret i1 %2
 }
 
-declare i1 @unicode.Is(ptr, i32)
+declare i1 @unicode.Is(ptr, i32) #0
+
+attributes #0 = { "frame-pointer"="non-leaf" }
diff --git a/cl/_testpy/callpy/out.ll b/cl/_testpy/callpy/out.ll
index 495d7b9665..5ac7758092 100644
--- a/cl/_testpy/callpy/out.ll
+++ b/cl/_testpy/callpy/out.ll
@@ -14,7 +14,7 @@ source_filename = "github.com/goplus/llgo/cl/_testpy/callpy"
 @__llgo_py.os = external global ptr, align 8
 @4 = private unnamed_addr constant [7 x i8] c"getcwd\00", align 1
 
-define void @"github.com/goplus/llgo/cl/_testpy/callpy.init"() {
+define void @"github.com/goplus/llgo/cl/_testpy/callpy.init"() #0 {
 _llgo_0:
   %0 = load i1, ptr @"github.com/goplus/llgo/cl/_testpy/callpy.init$guard", align 1
   br i1 %0, label %_llgo_2, label %_llgo_1
@@ -36,7 +36,7 @@ _llgo_2:                                          ; preds = %_llgo_1, %_llgo_0
   ret void
 }
 
-define void @"github.com/goplus/llgo/cl/_testpy/callpy.main"() {
+define void @"github.com/goplus/llgo/cl/_testpy/callpy.main"() #0 {
 _llgo_0:
   %0 = call ptr @PyFloat_FromDouble(double 2.000000e+00)
   %1 = load ptr, ptr @__llgo_py.math.sqrt, align 8
@@ -51,24 +51,26 @@ _llgo_0:
   ret void
 }
 
-declare void @"github.com/goplus/lib/py/math.init"()
+declare void @"github.com/goplus/lib/py/math.init"() #0
 
-declare void @"github.com/goplus/lib/py/os.init"()
+declare void @"github.com/goplus/lib/py/os.init"() #0
 
-declare void @"github.com/goplus/lib/py/std.init"()
+declare void @"github.com/goplus/lib/py/std.init"() #0
 
-declare ptr @PyFloat_FromDouble(double)
+declare ptr @PyFloat_FromDouble(double) #0
 
-declare ptr @PyObject_CallOneArg(ptr, ptr)
+declare ptr @PyObject_CallOneArg(ptr, ptr) #0
 
-declare ptr @PyObject_CallNoArgs(ptr)
+declare ptr @PyObject_CallNoArgs(ptr) #0
 
-declare double @PyFloat_AsDouble(ptr)
+declare double @PyFloat_AsDouble(ptr) #0
 
-declare i32 @printf(ptr, ...)
+declare i32 @printf(ptr, ...) #0
 
-declare ptr @PyUnicode_FromString(ptr)
+declare ptr @PyUnicode_FromString(ptr) #0
 
-declare ptr @PyObject_CallFunctionObjArgs(ptr, ...)
+declare ptr @PyObject_CallFunctionObjArgs(ptr, ...) #0
 
-declare void @llgoLoadPyModSyms(ptr, ...)
+declare void @llgoLoadPyModSyms(ptr, ...) #0
+
+attributes #0 = { "frame-pointer"="non-leaf" }
diff --git a/cl/_testpy/gcd/out.ll b/cl/_testpy/gcd/out.ll
index c61bb97941..a84f036551 100644
--- a/cl/_testpy/gcd/out.ll
+++ b/cl/_testpy/gcd/out.ll
@@ -7,7 +7,7 @@ source_filename = "github.com/goplus/llgo/cl/_testpy/gcd"
 @__llgo_py.math = external global ptr, align 8
 @1 = private unnamed_addr constant [4 x i8] c"gcd\00", align 1
 
-define void @"github.com/goplus/llgo/cl/_testpy/gcd.init"() {
+define void @"github.com/goplus/llgo/cl/_testpy/gcd.init"() #0 {
 _llgo_0:
   %0 = load i1, ptr @"github.com/goplus/llgo/cl/_testpy/gcd.init$guard", align 1
   br i1 %0, label %_llgo_2, label %_llgo_1
@@ -23,7 +23,7 @@ _llgo_2:                                          ; preds = %_llgo_1, %_llgo_0
   ret void
 }
 
-define void @"github.com/goplus/llgo/cl/_testpy/gcd.main"() {
+define void @"github.com/goplus/llgo/cl/_testpy/gcd.main"() #0 {
 _llgo_0:
   %0 = call ptr @PyLong_FromLong(i64 60)
   %1 = call ptr @PyLong_FromLong(i64 20)
@@ -35,14 +35,16 @@ _llgo_0:
   ret void
 }
 
-declare void @"github.com/goplus/lib/py/math.init"()
+declare void @"github.com/goplus/lib/py/math.init"() #0
 
-declare ptr @PyLong_FromLong(i64)
+declare ptr @PyLong_FromLong(i64) #0
 
-declare ptr @PyObject_CallFunctionObjArgs(ptr, ...)
+declare ptr @PyObject_CallFunctionObjArgs(ptr, ...) #0
 
-declare i64 @PyLong_AsLong(ptr)
+declare i64 @PyLong_AsLong(ptr) #0
 
-declare i32 @printf(ptr, ...)
+declare i32 @printf(ptr, ...) #0
 
-declare void @llgoLoadPyModSyms(ptr, ...)
+declare void @llgoLoadPyModSyms(ptr, ...) #0
+
+attributes #0 = { "frame-pointer"="non-leaf" }
diff --git a/cl/_testpy/list/out.ll b/cl/_testpy/list/out.ll
index 2841773a8b..4dbc72b8ad 100644
--- a/cl/_testpy/list/out.ll
+++ b/cl/_testpy/list/out.ll
@@ -15,7 +15,7 @@ source_filename = "github.com/goplus/llgo/cl/_testpy/list"
 @3 = private unnamed_addr constant [4 x i8] c"abs\00", align 1
 @4 = private unnamed_addr constant [6 x i8] c"print\00", align 1
 
-define void @"github.com/goplus/llgo/cl/_testpy/list.init"() {
+define void @"github.com/goplus/llgo/cl/_testpy/list.init"() #0 {
 _llgo_0:
   %0 = load i1, ptr @"github.com/goplus/llgo/cl/_testpy/list.init$guard", align 1
   br i1 %0, label %_llgo_2, label %_llgo_1
@@ -32,7 +32,7 @@ _llgo_2:                                          ; preds = %_llgo_1, %_llgo_0
   ret void
 }
 
-define void @"github.com/goplus/llgo/cl/_testpy/list.main"() {
+define void @"github.com/goplus/llgo/cl/_testpy/list.main"() #0 {
 _llgo_0:
   %0 = call ptr @"github.com/goplus/llgo/runtime/internal/runtime.AllocZ"(i64 8)
   store i64 100, ptr %0, align 4
@@ -96,41 +96,42 @@ _llgo_0:
   ret void
 }
 
-declare void @"github.com/goplus/lib/py/math.init"()
+declare void @"github.com/goplus/lib/py/math.init"() #0
 
-declare void @"github.com/goplus/lib/py/std.init"()
+declare void @"github.com/goplus/lib/py/std.init"() #0
 
-declare ptr @"github.com/goplus/llgo/runtime/internal/runtime.AllocZ"(i64)
+declare ptr @"github.com/goplus/llgo/runtime/internal/runtime.AllocZ"(i64) #0
 
-declare %"github.com/goplus/llgo/runtime/internal/runtime.Slice" @"github.com/goplus/llgo/runtime/internal/runtime.StringToBytes"(%"github.com/goplus/llgo/runtime/internal/runtime.String")
+declare %"github.com/goplus/llgo/runtime/internal/runtime.Slice" @"github.com/goplus/llgo/runtime/internal/runtime.StringToBytes"(%"github.com/goplus/llgo/runtime/internal/runtime.String") #0
 
 ; Function Attrs: nocallback nofree nounwind willreturn memory(argmem: write)
-declare void @llvm.memset(ptr nocapture writeonly, i8, i64, i1 immarg) #0
+declare void @llvm.memset(ptr nocapture writeonly, i8, i64, i1 immarg) #1
 
-declare ptr @PyList_New(i64)
+declare ptr @PyList_New(i64) #0
 
-declare ptr @PyBool_FromLong(i32)
+declare ptr @PyBool_FromLong(i32) #0
 
-declare i32 @PyList_SetItem(ptr, i64, ptr)
+declare i32 @PyList_SetItem(ptr, i64, ptr) #0
 
-declare ptr @PyLong_FromLongLong(i64)
+declare ptr @PyLong_FromLongLong(i64) #0
 
-declare ptr @PyFloat_FromDouble(double)
+declare ptr @PyFloat_FromDouble(double) #0
 
-declare ptr @PyLong_FromUnsignedLongLong(i64)
+declare ptr @PyLong_FromUnsignedLongLong(i64) #0
 
-declare ptr @PyComplex_FromDoubles(double, double)
+declare ptr @PyComplex_FromDoubles(double, double) #0
 
-declare ptr @PyUnicode_FromStringAndSize(ptr, i64)
+declare ptr @PyUnicode_FromStringAndSize(ptr, i64) #0
 
-declare ptr @PyByteArray_FromStringAndSize(ptr, i64)
+declare ptr @PyByteArray_FromStringAndSize(ptr, i64) #0
 
-declare ptr @PyBytes_FromStringAndSize(ptr, i64)
+declare ptr @PyBytes_FromStringAndSize(ptr, i64) #0
 
-declare ptr @PyObject_GetAttrString(ptr, ptr)
+declare ptr @PyObject_GetAttrString(ptr, ptr) #0
 
-declare ptr @PyObject_CallFunctionObjArgs(ptr, ...)
+declare ptr @PyObject_CallFunctionObjArgs(ptr, ...) #0
 
-declare void @llgoLoadPyModSyms(ptr, ...)
+declare void @llgoLoadPyModSyms(ptr, ...) #0
 
-attributes #0 = { nocallback nofree nounwind willreturn memory(argmem: write) }
+attributes #0 = { "frame-pointer"="non-leaf" }
+attributes #1 = { nocallback nofree nounwind willreturn memory(argmem: write) "frame-pointer"="non-leaf" }
diff --git a/cl/_testpy/math/out.ll b/cl/_testpy/math/out.ll
index 9eeddcbc8c..351cb45e97 100644
--- a/cl/_testpy/math/out.ll
+++ b/cl/_testpy/math/out.ll
@@ -5,7 +5,7 @@ source_filename = "github.com/goplus/llgo/cl/_testpy/math"
 @__llgo_py.math = linkonce global ptr null, align 8
 @0 = private unnamed_addr constant [5 x i8] c"math\00", align 1
 
-define void @"github.com/goplus/llgo/cl/_testpy/math.init"() {
+define void @"github.com/goplus/llgo/cl/_testpy/math.init"() #0 {
 _llgo_0:
   %0 = load i1, ptr @"github.com/goplus/llgo/cl/_testpy/math.init$guard", align 1
   br i1 %0, label %_llgo_2, label %_llgo_1
@@ -25,4 +25,6 @@ _llgo_3:                                          ; preds = %_llgo_1
   br label %_llgo_2
 }
 
-declare ptr @PyImport_ImportModule(ptr)
+declare ptr @PyImport_ImportModule(ptr) #0
+
+attributes #0 = { "frame-pointer"="non-leaf" }
diff --git a/cl/_testpy/matrix/out.ll b/cl/_testpy/matrix/out.ll
index 2edb066193..647299be6b 100644
--- a/cl/_testpy/matrix/out.ll
+++ b/cl/_testpy/matrix/out.ll
@@ -9,7 +9,7 @@ source_filename = "github.com/goplus/llgo/cl/_testpy/matrix"
 @__llgo_py.numpy = external global ptr, align 8
 @3 = private unnamed_addr constant [4 x i8] c"add\00", align 1
 
-define void @"github.com/goplus/llgo/cl/_testpy/matrix.init"() {
+define void @"github.com/goplus/llgo/cl/_testpy/matrix.init"() #0 {
 _llgo_0:
   %0 = load i1, ptr @"github.com/goplus/llgo/cl/_testpy/matrix.init$guard", align 1
   br i1 %0, label %_llgo_2, label %_llgo_1
@@ -25,7 +25,7 @@ _llgo_2:                                          ; preds = %_llgo_1, %_llgo_0
   ret void
 }
 
-define void @"github.com/goplus/llgo/cl/_testpy/matrix.main"() {
+define void @"github.com/goplus/llgo/cl/_testpy/matrix.main"() #0 {
 _llgo_0:
   %0 = call ptr @PyList_New(i64 3)
   %1 = call ptr @PyFloat_FromDouble(double 1.000000e+00)
@@ -91,20 +91,22 @@ _llgo_0:
   ret void
 }
 
-declare void @"github.com/goplus/lib/py/numpy.init"()
+declare void @"github.com/goplus/lib/py/numpy.init"() #0
 
-declare ptr @PyList_New(i64)
+declare ptr @PyList_New(i64) #0
 
-declare ptr @PyFloat_FromDouble(double)
+declare ptr @PyFloat_FromDouble(double) #0
 
-declare i32 @PyList_SetItem(ptr, i64, ptr)
+declare i32 @PyList_SetItem(ptr, i64, ptr) #0
 
-declare ptr @PyObject_CallFunctionObjArgs(ptr, ...)
+declare ptr @PyObject_CallFunctionObjArgs(ptr, ...) #0
 
-declare ptr @PyObject_Str(ptr)
+declare ptr @PyObject_Str(ptr) #0
 
-declare ptr @PyUnicode_AsUTF8(ptr)
+declare ptr @PyUnicode_AsUTF8(ptr) #0
 
-declare i32 @printf(ptr, ...)
+declare i32 @printf(ptr, ...) #0
 
-declare void @llgoLoadPyModSyms(ptr, ...)
+declare void @llgoLoadPyModSyms(ptr, ...) #0
+
+attributes #0 = { "frame-pointer"="non-leaf" }
diff --git a/cl/_testpy/max/out.ll b/cl/_testpy/max/out.ll
index 259424d7b3..b08e1dc5a5 100644
--- a/cl/_testpy/max/out.ll
+++ b/cl/_testpy/max/out.ll
@@ -10,7 +10,7 @@ source_filename = "github.com/goplus/llgo/cl/_testpy/max"
 @1 = private unnamed_addr constant [4 x i8] c"max\00", align 1
 @2 = private unnamed_addr constant [6 x i8] c"print\00", align 1
 
-define void @"github.com/goplus/llgo/cl/_testpy/max.init"() {
+define void @"github.com/goplus/llgo/cl/_testpy/max.init"() #0 {
 _llgo_0:
   %0 = load i1, ptr @"github.com/goplus/llgo/cl/_testpy/max.init$guard", align 1
   br i1 %0, label %_llgo_2, label %_llgo_1
@@ -26,7 +26,7 @@ _llgo_2:                                          ; preds = %_llgo_1, %_llgo_0
   ret void
 }
 
-define void @"github.com/goplus/llgo/cl/_testpy/max.main"() {
+define void @"github.com/goplus/llgo/cl/_testpy/max.main"() #0 {
 _llgo_0:
   %0 = call ptr @PyFloat_FromDouble(double 3.000000e+00)
   %1 = call ptr @PyFloat_FromDouble(double 9.000000e+00)
@@ -67,20 +67,22 @@ _llgo_0:
   ret void
 }
 
-declare void @"github.com/goplus/lib/py/std.init"()
+declare void @"github.com/goplus/lib/py/std.init"() #0
 
-declare ptr @PyFloat_FromDouble(double)
+declare ptr @PyFloat_FromDouble(double) #0
 
-declare ptr @PyObject_CallFunctionObjArgs(ptr, ...)
+declare ptr @PyObject_CallFunctionObjArgs(ptr, ...) #0
 
-declare ptr @PyList_New(i64)
+declare ptr @PyList_New(i64) #0
 
-declare i32 @PyList_SetItem(ptr, i64, ptr)
+declare i32 @PyList_SetItem(ptr, i64, ptr) #0
 
-declare ptr @PyObject_CallOneArg(ptr, ptr)
+declare ptr @PyObject_CallOneArg(ptr, ptr) #0
 
-declare ptr @PyTuple_New(i64)
+declare ptr @PyTuple_New(i64) #0
 
-declare i32 @PyTuple_SetItem(ptr, i64, ptr)
+declare i32 @PyTuple_SetItem(ptr, i64, ptr) #0
 
-declare void @llgoLoadPyModSyms(ptr, ...)
+declare void @llgoLoadPyModSyms(ptr, ...) #0
+
+attributes #0 = { "frame-pointer"="non-leaf" }
diff --git a/cl/_testpy/pi/out.ll b/cl/_testpy/pi/out.ll
index 02c0d63945..46303a385a 100644
--- a/cl/_testpy/pi/out.ll
+++ b/cl/_testpy/pi/out.ll
@@ -6,7 +6,7 @@ source_filename = "github.com/goplus/llgo/cl/_testpy/pi"
 @__llgo_py.math = external global ptr, align 8
 @1 = private unnamed_addr constant [3 x i8] c"pi\00", align 1
 
-define void @"github.com/goplus/llgo/cl/_testpy/pi.init"() {
+define void @"github.com/goplus/llgo/cl/_testpy/pi.init"() #0 {
 _llgo_0:
   %0 = load i1, ptr @"github.com/goplus/llgo/cl/_testpy/pi.init$guard", align 1
   br i1 %0, label %_llgo_2, label %_llgo_1
@@ -20,7 +20,7 @@ _llgo_2:                                          ; preds = %_llgo_1, %_llgo_0
   ret void
 }
 
-define void @"github.com/goplus/llgo/cl/_testpy/pi.main"() {
+define void @"github.com/goplus/llgo/cl/_testpy/pi.main"() #0 {
 _llgo_0:
   %0 = load ptr, ptr @__llgo_py.math, align 8
   %1 = call ptr @PyObject_GetAttrString(ptr %0, ptr @1)
@@ -29,10 +29,12 @@ _llgo_0:
   ret void
 }
 
-declare void @"github.com/goplus/lib/py/math.init"()
+declare void @"github.com/goplus/lib/py/math.init"() #0
 
-declare ptr @PyObject_GetAttrString(ptr, ptr)
+declare ptr @PyObject_GetAttrString(ptr, ptr) #0
 
-declare double @PyFloat_AsDouble(ptr)
+declare double @PyFloat_AsDouble(ptr) #0
 
-declare i32 @printf(ptr, ...)
+declare i32 @printf(ptr, ...) #0
+
+attributes #0 = { "frame-pointer"="non-leaf" }
diff --git a/cl/_testpy/pow/out.ll b/cl/_testpy/pow/out.ll
index 83a04c7fee..590363c5a8 100644
--- a/cl/_testpy/pow/out.ll
+++ b/cl/_testpy/pow/out.ll
@@ -7,7 +7,7 @@ source_filename = "github.com/goplus/llgo/cl/_testpy/pow"
 @__llgo_py.math = external global ptr, align 8
 @1 = private unnamed_addr constant [4 x i8] c"pow\00", align 1
 
-define void @"github.com/goplus/llgo/cl/_testpy/pow.init"() {
+define void @"github.com/goplus/llgo/cl/_testpy/pow.init"() #0 {
 _llgo_0:
   %0 = load i1, ptr @"github.com/goplus/llgo/cl/_testpy/pow.init$guard", align 1
   br i1 %0, label %_llgo_2, label %_llgo_1
@@ -23,7 +23,7 @@ _llgo_2:                                          ; preds = %_llgo_1, %_llgo_0
   ret void
 }
 
-define void @"github.com/goplus/llgo/cl/_testpy/pow.main"() {
+define void @"github.com/goplus/llgo/cl/_testpy/pow.main"() #0 {
 _llgo_0:
   %0 = call ptr @PyFloat_FromDouble(double 2.000000e+00)
   %1 = call ptr @PyFloat_FromDouble(double 3.000000e+00)
@@ -34,14 +34,16 @@ _llgo_0:
   ret void
 }
 
-declare void @"github.com/goplus/lib/py/math.init"()
+declare void @"github.com/goplus/lib/py/math.init"() #0
 
-declare ptr @PyFloat_FromDouble(double)
+declare ptr @PyFloat_FromDouble(double) #0
 
-declare ptr @PyObject_CallFunctionObjArgs(ptr, ...)
+declare ptr @PyObject_CallFunctionObjArgs(ptr, ...) #0
 
-declare double @PyFloat_AsDouble(ptr)
+declare double @PyFloat_AsDouble(ptr) #0
 
-declare i32 @printf(ptr, ...)
+declare i32 @printf(ptr, ...) #0
 
-declare void @llgoLoadPyModSyms(ptr, ...)
+declare void @llgoLoadPyModSyms(ptr, ...) #0
+
+attributes #0 = { "frame-pointer"="non-leaf" }
diff --git a/cl/_testrt/abinamed/out.ll b/cl/_testrt/abinamed/out.ll
index 115b6a54ac..6433fd9b15 100644
--- a/cl/_testrt/abinamed/out.ll
+++ b/cl/_testrt/abinamed/out.ll
@@ -275,7 +275,7 @@ source_filename = "github.com/goplus/llgo/cl/_testrt/abinamed"
 @129 = private unnamed_addr constant [13 x i8] c"error field 2", align 1
 @130 = private unnamed_addr constant [13 x i8] c"error field 3", align 1
 
-define void @"github.com/goplus/llgo/cl/_testrt/abinamed.init"() {
+define void @"github.com/goplus/llgo/cl/_testrt/abinamed.init"() #0 {
 _llgo_0:
   %0 = load i1, ptr @"github.com/goplus/llgo/cl/_testrt/abinamed.init$guard", align 1
   br i1 %0, label %_llgo_2, label %_llgo_1
@@ -289,7 +289,7 @@ _llgo_2:                                          ; preds = %_llgo_1, %_llgo_0
   ret void
 }
 
-define void @"github.com/goplus/llgo/cl/_testrt/abinamed.main"() {
+define void @"github.com/goplus/llgo/cl/_testrt/abinamed.main"() #0 {
 _llgo_0:
   %0 = call ptr @"github.com/goplus/llgo/runtime/internal/runtime.AllocU"(i64 48)
   store %"github.com/goplus/llgo/cl/_testrt/abinamed.T" zeroinitializer, ptr %0, align 8
@@ -485,394 +485,395 @@ _llgo_12:                                         ; preds = %_llgo_10
   ret void
 }
 
-define ptr @"github.com/goplus/llgo/cl/_testrt/abinamed.toEface"(%"github.com/goplus/llgo/runtime/internal/runtime.eface" %0) {
+define ptr @"github.com/goplus/llgo/cl/_testrt/abinamed.toEface"(%"github.com/goplus/llgo/runtime/internal/runtime.eface" %0) #0 {
 _llgo_0:
   %1 = call ptr @"github.com/goplus/llgo/runtime/internal/runtime.AllocZ"(i64 16)
   store %"github.com/goplus/llgo/runtime/internal/runtime.eface" %0, ptr %1, align 8
   ret ptr %1
 }
 
-declare void @"github.com/goplus/llgo/runtime/abi.init"()
+declare void @"github.com/goplus/llgo/runtime/abi.init"() #0
 
-declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.memequalptr"(ptr, ptr)
+declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.memequalptr"(ptr, ptr) #0
 
-define linkonce i1 @"__llgo_stub.github.com/goplus/llgo/runtime/internal/runtime.memequalptr"(ptr %0, ptr %1, ptr %2) {
+define linkonce i1 @"__llgo_stub.github.com/goplus/llgo/runtime/internal/runtime.memequalptr"(ptr %0, ptr %1, ptr %2) #0 {
 _llgo_0:
   %3 = tail call i1 @"github.com/goplus/llgo/runtime/internal/runtime.memequalptr"(ptr %1, ptr %2)
   ret i1 %3
 }
 
-declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.memequal64"(ptr, ptr)
+declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.memequal64"(ptr, ptr) #0
 
-define linkonce i1 @"__llgo_stub.github.com/goplus/llgo/runtime/internal/runtime.memequal64"(ptr %0, ptr %1, ptr %2) {
+define linkonce i1 @"__llgo_stub.github.com/goplus/llgo/runtime/internal/runtime.memequal64"(ptr %0, ptr %1, ptr %2) #0 {
 _llgo_0:
   %3 = tail call i1 @"github.com/goplus/llgo/runtime/internal/runtime.memequal64"(ptr %1, ptr %2)
   ret i1 %3
 }
 
-declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.memequal32"(ptr, ptr)
+declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.memequal32"(ptr, ptr) #0
 
-define linkonce i1 @"__llgo_stub.github.com/goplus/llgo/runtime/internal/runtime.memequal32"(ptr %0, ptr %1, ptr %2) {
+define linkonce i1 @"__llgo_stub.github.com/goplus/llgo/runtime/internal/runtime.memequal32"(ptr %0, ptr %1, ptr %2) #0 {
 _llgo_0:
   %3 = tail call i1 @"github.com/goplus/llgo/runtime/internal/runtime.memequal32"(ptr %1, ptr %2)
   ret i1 %3
 }
 
-declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.memequal8"(ptr, ptr)
+declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.memequal8"(ptr, ptr) #0
 
-define linkonce i1 @"__llgo_stub.github.com/goplus/llgo/runtime/internal/runtime.memequal8"(ptr %0, ptr %1, ptr %2) {
+define linkonce i1 @"__llgo_stub.github.com/goplus/llgo/runtime/internal/runtime.memequal8"(ptr %0, ptr %1, ptr %2) #0 {
 _llgo_0:
   %3 = tail call i1 @"github.com/goplus/llgo/runtime/internal/runtime.memequal8"(ptr %1, ptr %2)
   ret i1 %3
 }
 
-declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.strequal"(ptr, ptr)
+declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.strequal"(ptr, ptr) #0
 
-define linkonce i1 @"__llgo_stub.github.com/goplus/llgo/runtime/internal/runtime.strequal"(ptr %0, ptr %1, ptr %2) {
+define linkonce i1 @"__llgo_stub.github.com/goplus/llgo/runtime/internal/runtime.strequal"(ptr %0, ptr %1, ptr %2) #0 {
 _llgo_0:
   %3 = tail call i1 @"github.com/goplus/llgo/runtime/internal/runtime.strequal"(ptr %1, ptr %2)
   ret i1 %3
 }
 
-declare i64 @"github.com/goplus/llgo/runtime/abi.(*Type).Align"(ptr)
+declare i64 @"github.com/goplus/llgo/runtime/abi.(*Type).Align"(ptr) #0
 
-declare ptr @"github.com/goplus/llgo/runtime/abi.(*Type).ArrayType"(ptr)
+declare ptr @"github.com/goplus/llgo/runtime/abi.(*Type).ArrayType"(ptr) #0
 
-declare i64 @"github.com/goplus/llgo/runtime/abi.(*ArrayType).Align"(ptr)
+declare i64 @"github.com/goplus/llgo/runtime/abi.(*ArrayType).Align"(ptr) #0
 
-declare ptr @"github.com/goplus/llgo/runtime/abi.(*ArrayType).ArrayType"(ptr)
+declare ptr @"github.com/goplus/llgo/runtime/abi.(*ArrayType).ArrayType"(ptr) #0
 
-declare i64 @"github.com/goplus/llgo/runtime/abi.(*ArrayType).ChanDir"(ptr)
+declare i64 @"github.com/goplus/llgo/runtime/abi.(*ArrayType).ChanDir"(ptr) #0
 
-declare ptr @"github.com/goplus/llgo/runtime/abi.(*ArrayType).Common"(ptr)
+declare ptr @"github.com/goplus/llgo/runtime/abi.(*ArrayType).Common"(ptr) #0
 
-declare %"github.com/goplus/llgo/runtime/internal/runtime.Slice" @"github.com/goplus/llgo/runtime/abi.(*ArrayType).ExportedMethods"(ptr)
+declare %"github.com/goplus/llgo/runtime/internal/runtime.Slice" @"github.com/goplus/llgo/runtime/abi.(*ArrayType).ExportedMethods"(ptr) #0
 
-declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.structequal"(ptr, ptr, ptr)
+declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.structequal"(ptr, ptr, ptr) #0
 
-declare i1 @"github.com/goplus/llgo/runtime/abi.(*Method).Exported"(ptr)
+declare i1 @"github.com/goplus/llgo/runtime/abi.(*Method).Exported"(ptr) #0
 
-declare %"github.com/goplus/llgo/runtime/internal/runtime.String" @"github.com/goplus/llgo/runtime/abi.(*Method).Name"(ptr)
+declare %"github.com/goplus/llgo/runtime/internal/runtime.String" @"github.com/goplus/llgo/runtime/abi.(*Method).Name"(ptr) #0
 
-declare %"github.com/goplus/llgo/runtime/internal/runtime.String" @"github.com/goplus/llgo/runtime/abi.(*Method).PkgPath"(ptr)
+declare %"github.com/goplus/llgo/runtime/internal/runtime.String" @"github.com/goplus/llgo/runtime/abi.(*Method).PkgPath"(ptr) #0
 
-declare i64 @"github.com/goplus/llgo/runtime/abi.(*FuncType).Align"(ptr)
+declare i64 @"github.com/goplus/llgo/runtime/abi.(*FuncType).Align"(ptr) #0
 
-declare ptr @"github.com/goplus/llgo/runtime/abi.(*FuncType).ArrayType"(ptr)
+declare ptr @"github.com/goplus/llgo/runtime/abi.(*FuncType).ArrayType"(ptr) #0
 
-declare i64 @"github.com/goplus/llgo/runtime/abi.(*FuncType).ChanDir"(ptr)
+declare i64 @"github.com/goplus/llgo/runtime/abi.(*FuncType).ChanDir"(ptr) #0
 
-declare ptr @"github.com/goplus/llgo/runtime/abi.(*FuncType).Common"(ptr)
+declare ptr @"github.com/goplus/llgo/runtime/abi.(*FuncType).Common"(ptr) #0
 
-declare ptr @"github.com/goplus/llgo/runtime/abi.(*FuncType).Elem"(ptr)
+declare ptr @"github.com/goplus/llgo/runtime/abi.(*FuncType).Elem"(ptr) #0
 
-declare %"github.com/goplus/llgo/runtime/internal/runtime.Slice" @"github.com/goplus/llgo/runtime/abi.(*FuncType).ExportedMethods"(ptr)
+declare %"github.com/goplus/llgo/runtime/internal/runtime.Slice" @"github.com/goplus/llgo/runtime/abi.(*FuncType).ExportedMethods"(ptr) #0
 
-declare i64 @"github.com/goplus/llgo/runtime/abi.(*FuncType).FieldAlign"(ptr)
+declare i64 @"github.com/goplus/llgo/runtime/abi.(*FuncType).FieldAlign"(ptr) #0
 
-declare ptr @"github.com/goplus/llgo/runtime/abi.(*FuncType).FuncType"(ptr)
+declare ptr @"github.com/goplus/llgo/runtime/abi.(*FuncType).FuncType"(ptr) #0
 
-declare %"github.com/goplus/llgo/runtime/internal/runtime.Slice" @"github.com/goplus/llgo/runtime/abi.(*FuncType).GcSlice"(ptr, i64, i64)
+declare %"github.com/goplus/llgo/runtime/internal/runtime.Slice" @"github.com/goplus/llgo/runtime/abi.(*FuncType).GcSlice"(ptr, i64, i64) #0
 
-declare i1 @"github.com/goplus/llgo/runtime/abi.(*FuncType).HasName"(ptr)
+declare i1 @"github.com/goplus/llgo/runtime/abi.(*FuncType).HasName"(ptr) #0
 
-declare i1 @"github.com/goplus/llgo/runtime/abi.(*FuncType).IfaceIndir"(ptr)
+declare i1 @"github.com/goplus/llgo/runtime/abi.(*FuncType).IfaceIndir"(ptr) #0
 
-declare ptr @"github.com/goplus/llgo/runtime/abi.(*FuncType).InterfaceType"(ptr)
+declare ptr @"github.com/goplus/llgo/runtime/abi.(*FuncType).InterfaceType"(ptr) #0
 
-declare i1 @"github.com/goplus/llgo/runtime/abi.(*Imethod).Exported"(ptr)
+declare i1 @"github.com/goplus/llgo/runtime/abi.(*Imethod).Exported"(ptr) #0
 
-declare %"github.com/goplus/llgo/runtime/internal/runtime.String" @"github.com/goplus/llgo/runtime/abi.(*Imethod).Name"(ptr)
+declare %"github.com/goplus/llgo/runtime/internal/runtime.String" @"github.com/goplus/llgo/runtime/abi.(*Imethod).Name"(ptr) #0
 
-declare %"github.com/goplus/llgo/runtime/internal/runtime.String" @"github.com/goplus/llgo/runtime/abi.(*Imethod).PkgPath"(ptr)
+declare %"github.com/goplus/llgo/runtime/internal/runtime.String" @"github.com/goplus/llgo/runtime/abi.(*Imethod).PkgPath"(ptr) #0
 
-declare i64 @"github.com/goplus/llgo/runtime/abi.(*InterfaceType).Align"(ptr)
+declare i64 @"github.com/goplus/llgo/runtime/abi.(*InterfaceType).Align"(ptr) #0
 
-declare ptr @"github.com/goplus/llgo/runtime/abi.(*InterfaceType).ArrayType"(ptr)
+declare ptr @"github.com/goplus/llgo/runtime/abi.(*InterfaceType).ArrayType"(ptr) #0
 
-declare i64 @"github.com/goplus/llgo/runtime/abi.(*InterfaceType).ChanDir"(ptr)
+declare i64 @"github.com/goplus/llgo/runtime/abi.(*InterfaceType).ChanDir"(ptr) #0
 
-declare ptr @"github.com/goplus/llgo/runtime/abi.(*InterfaceType).Common"(ptr)
+declare ptr @"github.com/goplus/llgo/runtime/abi.(*InterfaceType).Common"(ptr) #0
 
-declare ptr @"github.com/goplus/llgo/runtime/abi.(*InterfaceType).Elem"(ptr)
+declare ptr @"github.com/goplus/llgo/runtime/abi.(*InterfaceType).Elem"(ptr) #0
 
-declare %"github.com/goplus/llgo/runtime/internal/runtime.Slice" @"github.com/goplus/llgo/runtime/abi.(*InterfaceType).ExportedMethods"(ptr)
+declare %"github.com/goplus/llgo/runtime/internal/runtime.Slice" @"github.com/goplus/llgo/runtime/abi.(*InterfaceType).ExportedMethods"(ptr) #0
 
-declare i64 @"github.com/goplus/llgo/runtime/abi.(*InterfaceType).FieldAlign"(ptr)
+declare i64 @"github.com/goplus/llgo/runtime/abi.(*InterfaceType).FieldAlign"(ptr) #0
 
-declare ptr @"github.com/goplus/llgo/runtime/abi.(*InterfaceType).FuncType"(ptr)
+declare ptr @"github.com/goplus/llgo/runtime/abi.(*InterfaceType).FuncType"(ptr) #0
 
-declare %"github.com/goplus/llgo/runtime/internal/runtime.Slice" @"github.com/goplus/llgo/runtime/abi.(*InterfaceType).GcSlice"(ptr, i64, i64)
+declare %"github.com/goplus/llgo/runtime/internal/runtime.Slice" @"github.com/goplus/llgo/runtime/abi.(*InterfaceType).GcSlice"(ptr, i64, i64) #0
 
-declare i1 @"github.com/goplus/llgo/runtime/abi.(*InterfaceType).HasName"(ptr)
+declare i1 @"github.com/goplus/llgo/runtime/abi.(*InterfaceType).HasName"(ptr) #0
 
-declare i1 @"github.com/goplus/llgo/runtime/abi.(*InterfaceType).IfaceIndir"(ptr)
+declare i1 @"github.com/goplus/llgo/runtime/abi.(*InterfaceType).IfaceIndir"(ptr) #0
 
-declare ptr @"github.com/goplus/llgo/runtime/abi.(*InterfaceType).InterfaceType"(ptr)
+declare ptr @"github.com/goplus/llgo/runtime/abi.(*InterfaceType).InterfaceType"(ptr) #0
 
-declare i1 @"github.com/goplus/llgo/runtime/abi.(*InterfaceType).IsClosure"(ptr)
+declare i1 @"github.com/goplus/llgo/runtime/abi.(*InterfaceType).IsClosure"(ptr) #0
 
-declare i1 @"github.com/goplus/llgo/runtime/abi.(*InterfaceType).IsDirectIface"(ptr)
+declare i1 @"github.com/goplus/llgo/runtime/abi.(*InterfaceType).IsDirectIface"(ptr) #0
 
-declare ptr @"github.com/goplus/llgo/runtime/abi.(*InterfaceType).Key"(ptr)
+declare ptr @"github.com/goplus/llgo/runtime/abi.(*InterfaceType).Key"(ptr) #0
 
-declare i64 @"github.com/goplus/llgo/runtime/abi.(*InterfaceType).Kind"(ptr)
+declare i64 @"github.com/goplus/llgo/runtime/abi.(*InterfaceType).Kind"(ptr) #0
 
-declare %"github.com/goplus/llgo/runtime/internal/runtime.String" @"github.com/goplus/llgo/runtime/abi.(*Kind).String"(ptr)
+declare %"github.com/goplus/llgo/runtime/internal/runtime.String" @"github.com/goplus/llgo/runtime/abi.(*Kind).String"(ptr) #0
 
-declare %"github.com/goplus/llgo/runtime/internal/runtime.String" @"github.com/goplus/llgo/runtime/abi.Kind.String"(i64)
+declare %"github.com/goplus/llgo/runtime/internal/runtime.String" @"github.com/goplus/llgo/runtime/abi.Kind.String"(i64) #0
 
-declare i64 @"github.com/goplus/llgo/runtime/abi.(*InterfaceType).Len"(ptr)
+declare i64 @"github.com/goplus/llgo/runtime/abi.(*InterfaceType).Len"(ptr) #0
 
-declare ptr @"github.com/goplus/llgo/runtime/abi.(*InterfaceType).MapType"(ptr)
+declare ptr @"github.com/goplus/llgo/runtime/abi.(*InterfaceType).MapType"(ptr) #0
 
-declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.memequal16"(ptr, ptr)
+declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.memequal16"(ptr, ptr) #0
 
-define linkonce i1 @"__llgo_stub.github.com/goplus/llgo/runtime/internal/runtime.memequal16"(ptr %0, ptr %1, ptr %2) {
+define linkonce i1 @"__llgo_stub.github.com/goplus/llgo/runtime/internal/runtime.memequal16"(ptr %0, ptr %1, ptr %2) #0 {
 _llgo_0:
   %3 = tail call i1 @"github.com/goplus/llgo/runtime/internal/runtime.memequal16"(ptr %1, ptr %2)
   ret i1 %3
 }
 
-declare i64 @"github.com/goplus/llgo/runtime/abi.(*MapType).Align"(ptr)
+declare i64 @"github.com/goplus/llgo/runtime/abi.(*MapType).Align"(ptr) #0
 
-declare ptr @"github.com/goplus/llgo/runtime/abi.(*MapType).ArrayType"(ptr)
+declare ptr @"github.com/goplus/llgo/runtime/abi.(*MapType).ArrayType"(ptr) #0
 
-declare i64 @"github.com/goplus/llgo/runtime/abi.(*MapType).ChanDir"(ptr)
+declare i64 @"github.com/goplus/llgo/runtime/abi.(*MapType).ChanDir"(ptr) #0
 
-declare ptr @"github.com/goplus/llgo/runtime/abi.(*MapType).Common"(ptr)
+declare ptr @"github.com/goplus/llgo/runtime/abi.(*MapType).Common"(ptr) #0
 
-declare %"github.com/goplus/llgo/runtime/internal/runtime.Slice" @"github.com/goplus/llgo/runtime/abi.(*MapType).ExportedMethods"(ptr)
+declare %"github.com/goplus/llgo/runtime/internal/runtime.Slice" @"github.com/goplus/llgo/runtime/abi.(*MapType).ExportedMethods"(ptr) #0
 
-declare i64 @"github.com/goplus/llgo/runtime/abi.(*MapType).FieldAlign"(ptr)
+declare i64 @"github.com/goplus/llgo/runtime/abi.(*MapType).FieldAlign"(ptr) #0
 
-declare ptr @"github.com/goplus/llgo/runtime/abi.(*MapType).FuncType"(ptr)
+declare ptr @"github.com/goplus/llgo/runtime/abi.(*MapType).FuncType"(ptr) #0
 
-declare %"github.com/goplus/llgo/runtime/internal/runtime.Slice" @"github.com/goplus/llgo/runtime/abi.(*MapType).GcSlice"(ptr, i64, i64)
+declare %"github.com/goplus/llgo/runtime/internal/runtime.Slice" @"github.com/goplus/llgo/runtime/abi.(*MapType).GcSlice"(ptr, i64, i64) #0
 
-declare i1 @"github.com/goplus/llgo/runtime/abi.(*MapType).HasName"(ptr)
+declare i1 @"github.com/goplus/llgo/runtime/abi.(*MapType).HasName"(ptr) #0
 
-declare i1 @"github.com/goplus/llgo/runtime/abi.(*MapType).HashMightPanic"(ptr)
+declare i1 @"github.com/goplus/llgo/runtime/abi.(*MapType).HashMightPanic"(ptr) #0
 
-declare i1 @"github.com/goplus/llgo/runtime/abi.(*MapType).IfaceIndir"(ptr)
+declare i1 @"github.com/goplus/llgo/runtime/abi.(*MapType).IfaceIndir"(ptr) #0
 
-declare i1 @"github.com/goplus/llgo/runtime/abi.(*MapType).IndirectElem"(ptr)
+declare i1 @"github.com/goplus/llgo/runtime/abi.(*MapType).IndirectElem"(ptr) #0
 
-declare i1 @"github.com/goplus/llgo/runtime/abi.(*MapType).IndirectKey"(ptr)
+declare i1 @"github.com/goplus/llgo/runtime/abi.(*MapType).IndirectKey"(ptr) #0
 
-declare ptr @"github.com/goplus/llgo/runtime/abi.(*MapType).InterfaceType"(ptr)
+declare ptr @"github.com/goplus/llgo/runtime/abi.(*MapType).InterfaceType"(ptr) #0
 
-declare i1 @"github.com/goplus/llgo/runtime/abi.(*MapType).IsClosure"(ptr)
+declare i1 @"github.com/goplus/llgo/runtime/abi.(*MapType).IsClosure"(ptr) #0
 
-declare i1 @"github.com/goplus/llgo/runtime/abi.(*MapType).IsDirectIface"(ptr)
+declare i1 @"github.com/goplus/llgo/runtime/abi.(*MapType).IsDirectIface"(ptr) #0
 
-declare i64 @"github.com/goplus/llgo/runtime/abi.(*MapType).Kind"(ptr)
+declare i64 @"github.com/goplus/llgo/runtime/abi.(*MapType).Kind"(ptr) #0
 
-declare i64 @"github.com/goplus/llgo/runtime/abi.(*MapType).Len"(ptr)
+declare i64 @"github.com/goplus/llgo/runtime/abi.(*MapType).Len"(ptr) #0
 
-declare ptr @"github.com/goplus/llgo/runtime/abi.(*MapType).MapType"(ptr)
+declare ptr @"github.com/goplus/llgo/runtime/abi.(*MapType).MapType"(ptr) #0
 
-declare i1 @"github.com/goplus/llgo/runtime/abi.(*MapType).NeedKeyUpdate"(ptr)
+declare i1 @"github.com/goplus/llgo/runtime/abi.(*MapType).NeedKeyUpdate"(ptr) #0
 
-declare i64 @"github.com/goplus/llgo/runtime/abi.(*MapType).NumMethod"(ptr)
+declare i64 @"github.com/goplus/llgo/runtime/abi.(*MapType).NumMethod"(ptr) #0
 
-declare i1 @"github.com/goplus/llgo/runtime/abi.(*MapType).Pointers"(ptr)
+declare i1 @"github.com/goplus/llgo/runtime/abi.(*MapType).Pointers"(ptr) #0
 
-declare i1 @"github.com/goplus/llgo/runtime/abi.(*MapType).ReflexiveKey"(ptr)
+declare i1 @"github.com/goplus/llgo/runtime/abi.(*MapType).ReflexiveKey"(ptr) #0
 
-declare i64 @"github.com/goplus/llgo/runtime/abi.(*MapType).Size"(ptr)
+declare i64 @"github.com/goplus/llgo/runtime/abi.(*MapType).Size"(ptr) #0
 
-declare %"github.com/goplus/llgo/runtime/internal/runtime.String" @"github.com/goplus/llgo/runtime/abi.(*MapType).String"(ptr)
+declare %"github.com/goplus/llgo/runtime/internal/runtime.String" @"github.com/goplus/llgo/runtime/abi.(*MapType).String"(ptr) #0
 
-declare ptr @"github.com/goplus/llgo/runtime/abi.(*MapType).StructType"(ptr)
+declare ptr @"github.com/goplus/llgo/runtime/abi.(*MapType).StructType"(ptr) #0
 
-declare i1 @"github.com/goplus/llgo/runtime/abi.(*StructField).Embedded"(ptr)
+declare i1 @"github.com/goplus/llgo/runtime/abi.(*StructField).Embedded"(ptr) #0
 
-declare i1 @"github.com/goplus/llgo/runtime/abi.(*StructField).Exported"(ptr)
+declare i1 @"github.com/goplus/llgo/runtime/abi.(*StructField).Exported"(ptr) #0
 
-declare i64 @"github.com/goplus/llgo/runtime/abi.(*StructType).Align"(ptr)
+declare i64 @"github.com/goplus/llgo/runtime/abi.(*StructType).Align"(ptr) #0
 
-declare ptr @"github.com/goplus/llgo/runtime/abi.(*StructType).ArrayType"(ptr)
+declare ptr @"github.com/goplus/llgo/runtime/abi.(*StructType).ArrayType"(ptr) #0
 
-declare i64 @"github.com/goplus/llgo/runtime/abi.(*StructType).ChanDir"(ptr)
+declare i64 @"github.com/goplus/llgo/runtime/abi.(*StructType).ChanDir"(ptr) #0
 
-declare ptr @"github.com/goplus/llgo/runtime/abi.(*StructType).Common"(ptr)
+declare ptr @"github.com/goplus/llgo/runtime/abi.(*StructType).Common"(ptr) #0
 
-declare ptr @"github.com/goplus/llgo/runtime/abi.(*StructType).Elem"(ptr)
+declare ptr @"github.com/goplus/llgo/runtime/abi.(*StructType).Elem"(ptr) #0
 
-declare %"github.com/goplus/llgo/runtime/internal/runtime.Slice" @"github.com/goplus/llgo/runtime/abi.(*StructType).ExportedMethods"(ptr)
+declare %"github.com/goplus/llgo/runtime/internal/runtime.Slice" @"github.com/goplus/llgo/runtime/abi.(*StructType).ExportedMethods"(ptr) #0
 
-declare i64 @"github.com/goplus/llgo/runtime/abi.(*StructType).FieldAlign"(ptr)
+declare i64 @"github.com/goplus/llgo/runtime/abi.(*StructType).FieldAlign"(ptr) #0
 
-declare ptr @"github.com/goplus/llgo/runtime/abi.(*StructType).FuncType"(ptr)
+declare ptr @"github.com/goplus/llgo/runtime/abi.(*StructType).FuncType"(ptr) #0
 
-declare %"github.com/goplus/llgo/runtime/internal/runtime.Slice" @"github.com/goplus/llgo/runtime/abi.(*StructType).GcSlice"(ptr, i64, i64)
+declare %"github.com/goplus/llgo/runtime/internal/runtime.Slice" @"github.com/goplus/llgo/runtime/abi.(*StructType).GcSlice"(ptr, i64, i64) #0
 
-declare i1 @"github.com/goplus/llgo/runtime/abi.(*StructType).HasName"(ptr)
+declare i1 @"github.com/goplus/llgo/runtime/abi.(*StructType).HasName"(ptr) #0
 
-declare i1 @"github.com/goplus/llgo/runtime/abi.(*StructType).IfaceIndir"(ptr)
+declare i1 @"github.com/goplus/llgo/runtime/abi.(*StructType).IfaceIndir"(ptr) #0
 
-declare ptr @"github.com/goplus/llgo/runtime/abi.(*StructType).InterfaceType"(ptr)
+declare ptr @"github.com/goplus/llgo/runtime/abi.(*StructType).InterfaceType"(ptr) #0
 
-declare i1 @"github.com/goplus/llgo/runtime/abi.(*StructType).IsClosure"(ptr)
+declare i1 @"github.com/goplus/llgo/runtime/abi.(*StructType).IsClosure"(ptr) #0
 
-declare i1 @"github.com/goplus/llgo/runtime/abi.(*StructType).IsDirectIface"(ptr)
+declare i1 @"github.com/goplus/llgo/runtime/abi.(*StructType).IsDirectIface"(ptr) #0
 
-declare ptr @"github.com/goplus/llgo/runtime/abi.(*StructType).Key"(ptr)
+declare ptr @"github.com/goplus/llgo/runtime/abi.(*StructType).Key"(ptr) #0
 
-declare i64 @"github.com/goplus/llgo/runtime/abi.(*StructType).Kind"(ptr)
+declare i64 @"github.com/goplus/llgo/runtime/abi.(*StructType).Kind"(ptr) #0
 
-declare i64 @"github.com/goplus/llgo/runtime/abi.(*StructType).Len"(ptr)
+declare i64 @"github.com/goplus/llgo/runtime/abi.(*StructType).Len"(ptr) #0
 
-declare ptr @"github.com/goplus/llgo/runtime/abi.(*StructType).MapType"(ptr)
+declare ptr @"github.com/goplus/llgo/runtime/abi.(*StructType).MapType"(ptr) #0
 
-declare i64 @"github.com/goplus/llgo/runtime/abi.(*StructType).NumMethod"(ptr)
+declare i64 @"github.com/goplus/llgo/runtime/abi.(*StructType).NumMethod"(ptr) #0
 
-declare i1 @"github.com/goplus/llgo/runtime/abi.(*StructType).Pointers"(ptr)
+declare i1 @"github.com/goplus/llgo/runtime/abi.(*StructType).Pointers"(ptr) #0
 
-declare i64 @"github.com/goplus/llgo/runtime/abi.(*StructType).Size"(ptr)
+declare i64 @"github.com/goplus/llgo/runtime/abi.(*StructType).Size"(ptr) #0
 
-declare %"github.com/goplus/llgo/runtime/internal/runtime.String" @"github.com/goplus/llgo/runtime/abi.(*StructType).String"(ptr)
+declare %"github.com/goplus/llgo/runtime/internal/runtime.String" @"github.com/goplus/llgo/runtime/abi.(*StructType).String"(ptr) #0
 
-declare ptr @"github.com/goplus/llgo/runtime/abi.(*StructType).StructType"(ptr)
+declare ptr @"github.com/goplus/llgo/runtime/abi.(*StructType).StructType"(ptr) #0
 
-declare ptr @"github.com/goplus/llgo/runtime/abi.(*StructType).Uncommon"(ptr)
+declare ptr @"github.com/goplus/llgo/runtime/abi.(*StructType).Uncommon"(ptr) #0
 
-declare %"github.com/goplus/llgo/runtime/internal/runtime.Slice" @"github.com/goplus/llgo/runtime/abi.(*UncommonType).ExportedMethods"(ptr)
+declare %"github.com/goplus/llgo/runtime/internal/runtime.Slice" @"github.com/goplus/llgo/runtime/abi.(*UncommonType).ExportedMethods"(ptr) #0
 
-declare %"github.com/goplus/llgo/runtime/internal/runtime.Slice" @"github.com/goplus/llgo/runtime/abi.(*UncommonType).Methods"(ptr)
+declare %"github.com/goplus/llgo/runtime/internal/runtime.Slice" @"github.com/goplus/llgo/runtime/abi.(*UncommonType).Methods"(ptr) #0
 
-declare ptr @"github.com/goplus/llgo/runtime/abi.(*MapType).Uncommon"(ptr)
+declare ptr @"github.com/goplus/llgo/runtime/abi.(*MapType).Uncommon"(ptr) #0
 
-declare i64 @"github.com/goplus/llgo/runtime/abi.(*InterfaceType).NumMethod"(ptr)
+declare i64 @"github.com/goplus/llgo/runtime/abi.(*InterfaceType).NumMethod"(ptr) #0
 
-declare i1 @"github.com/goplus/llgo/runtime/abi.(*InterfaceType).Pointers"(ptr)
+declare i1 @"github.com/goplus/llgo/runtime/abi.(*InterfaceType).Pointers"(ptr) #0
 
-declare i64 @"github.com/goplus/llgo/runtime/abi.(*InterfaceType).Size"(ptr)
+declare i64 @"github.com/goplus/llgo/runtime/abi.(*InterfaceType).Size"(ptr) #0
 
-declare %"github.com/goplus/llgo/runtime/internal/runtime.String" @"github.com/goplus/llgo/runtime/abi.(*InterfaceType).String"(ptr)
+declare %"github.com/goplus/llgo/runtime/internal/runtime.String" @"github.com/goplus/llgo/runtime/abi.(*InterfaceType).String"(ptr) #0
 
-declare ptr @"github.com/goplus/llgo/runtime/abi.(*InterfaceType).StructType"(ptr)
+declare ptr @"github.com/goplus/llgo/runtime/abi.(*InterfaceType).StructType"(ptr) #0
 
-declare ptr @"github.com/goplus/llgo/runtime/abi.(*InterfaceType).Uncommon"(ptr)
+declare ptr @"github.com/goplus/llgo/runtime/abi.(*InterfaceType).Uncommon"(ptr) #0
 
-declare i1 @"github.com/goplus/llgo/runtime/abi.(*FuncType).IsClosure"(ptr)
+declare i1 @"github.com/goplus/llgo/runtime/abi.(*FuncType).IsClosure"(ptr) #0
 
-declare i1 @"github.com/goplus/llgo/runtime/abi.(*FuncType).IsDirectIface"(ptr)
+declare i1 @"github.com/goplus/llgo/runtime/abi.(*FuncType).IsDirectIface"(ptr) #0
 
-declare ptr @"github.com/goplus/llgo/runtime/abi.(*FuncType).Key"(ptr)
+declare ptr @"github.com/goplus/llgo/runtime/abi.(*FuncType).Key"(ptr) #0
 
-declare i64 @"github.com/goplus/llgo/runtime/abi.(*FuncType).Kind"(ptr)
+declare i64 @"github.com/goplus/llgo/runtime/abi.(*FuncType).Kind"(ptr) #0
 
-declare i64 @"github.com/goplus/llgo/runtime/abi.(*FuncType).Len"(ptr)
+declare i64 @"github.com/goplus/llgo/runtime/abi.(*FuncType).Len"(ptr) #0
 
-declare ptr @"github.com/goplus/llgo/runtime/abi.(*FuncType).MapType"(ptr)
+declare ptr @"github.com/goplus/llgo/runtime/abi.(*FuncType).MapType"(ptr) #0
 
-declare i64 @"github.com/goplus/llgo/runtime/abi.(*FuncType).NumMethod"(ptr)
+declare i64 @"github.com/goplus/llgo/runtime/abi.(*FuncType).NumMethod"(ptr) #0
 
-declare i1 @"github.com/goplus/llgo/runtime/abi.(*FuncType).Pointers"(ptr)
+declare i1 @"github.com/goplus/llgo/runtime/abi.(*FuncType).Pointers"(ptr) #0
 
-declare i64 @"github.com/goplus/llgo/runtime/abi.(*FuncType).Size"(ptr)
+declare i64 @"github.com/goplus/llgo/runtime/abi.(*FuncType).Size"(ptr) #0
 
-declare %"github.com/goplus/llgo/runtime/internal/runtime.String" @"github.com/goplus/llgo/runtime/abi.(*FuncType).String"(ptr)
+declare %"github.com/goplus/llgo/runtime/internal/runtime.String" @"github.com/goplus/llgo/runtime/abi.(*FuncType).String"(ptr) #0
 
-declare ptr @"github.com/goplus/llgo/runtime/abi.(*FuncType).StructType"(ptr)
+declare ptr @"github.com/goplus/llgo/runtime/abi.(*FuncType).StructType"(ptr) #0
 
-declare ptr @"github.com/goplus/llgo/runtime/abi.(*FuncType).Uncommon"(ptr)
+declare ptr @"github.com/goplus/llgo/runtime/abi.(*FuncType).Uncommon"(ptr) #0
 
-declare i1 @"github.com/goplus/llgo/runtime/abi.(*FuncType).Variadic"(ptr)
+declare i1 @"github.com/goplus/llgo/runtime/abi.(*FuncType).Variadic"(ptr) #0
 
-declare i64 @"github.com/goplus/llgo/runtime/abi.(*ArrayType).FieldAlign"(ptr)
+declare i64 @"github.com/goplus/llgo/runtime/abi.(*ArrayType).FieldAlign"(ptr) #0
 
-declare ptr @"github.com/goplus/llgo/runtime/abi.(*ArrayType).FuncType"(ptr)
+declare ptr @"github.com/goplus/llgo/runtime/abi.(*ArrayType).FuncType"(ptr) #0
 
-declare %"github.com/goplus/llgo/runtime/internal/runtime.Slice" @"github.com/goplus/llgo/runtime/abi.(*ArrayType).GcSlice"(ptr, i64, i64)
+declare %"github.com/goplus/llgo/runtime/internal/runtime.Slice" @"github.com/goplus/llgo/runtime/abi.(*ArrayType).GcSlice"(ptr, i64, i64) #0
 
-declare i1 @"github.com/goplus/llgo/runtime/abi.(*ArrayType).HasName"(ptr)
+declare i1 @"github.com/goplus/llgo/runtime/abi.(*ArrayType).HasName"(ptr) #0
 
-declare i1 @"github.com/goplus/llgo/runtime/abi.(*ArrayType).IfaceIndir"(ptr)
+declare i1 @"github.com/goplus/llgo/runtime/abi.(*ArrayType).IfaceIndir"(ptr) #0
 
-declare ptr @"github.com/goplus/llgo/runtime/abi.(*ArrayType).InterfaceType"(ptr)
+declare ptr @"github.com/goplus/llgo/runtime/abi.(*ArrayType).InterfaceType"(ptr) #0
 
-declare i1 @"github.com/goplus/llgo/runtime/abi.(*ArrayType).IsClosure"(ptr)
+declare i1 @"github.com/goplus/llgo/runtime/abi.(*ArrayType).IsClosure"(ptr) #0
 
-declare i1 @"github.com/goplus/llgo/runtime/abi.(*ArrayType).IsDirectIface"(ptr)
+declare i1 @"github.com/goplus/llgo/runtime/abi.(*ArrayType).IsDirectIface"(ptr) #0
 
-declare ptr @"github.com/goplus/llgo/runtime/abi.(*ArrayType).Key"(ptr)
+declare ptr @"github.com/goplus/llgo/runtime/abi.(*ArrayType).Key"(ptr) #0
 
-declare i64 @"github.com/goplus/llgo/runtime/abi.(*ArrayType).Kind"(ptr)
+declare i64 @"github.com/goplus/llgo/runtime/abi.(*ArrayType).Kind"(ptr) #0
 
-declare ptr @"github.com/goplus/llgo/runtime/abi.(*ArrayType).MapType"(ptr)
+declare ptr @"github.com/goplus/llgo/runtime/abi.(*ArrayType).MapType"(ptr) #0
 
-declare i64 @"github.com/goplus/llgo/runtime/abi.(*ArrayType).NumMethod"(ptr)
+declare i64 @"github.com/goplus/llgo/runtime/abi.(*ArrayType).NumMethod"(ptr) #0
 
-declare i1 @"github.com/goplus/llgo/runtime/abi.(*ArrayType).Pointers"(ptr)
+declare i1 @"github.com/goplus/llgo/runtime/abi.(*ArrayType).Pointers"(ptr) #0
 
-declare i64 @"github.com/goplus/llgo/runtime/abi.(*ArrayType).Size"(ptr)
+declare i64 @"github.com/goplus/llgo/runtime/abi.(*ArrayType).Size"(ptr) #0
 
-declare %"github.com/goplus/llgo/runtime/internal/runtime.String" @"github.com/goplus/llgo/runtime/abi.(*ArrayType).String"(ptr)
+declare %"github.com/goplus/llgo/runtime/internal/runtime.String" @"github.com/goplus/llgo/runtime/abi.(*ArrayType).String"(ptr) #0
 
-declare ptr @"github.com/goplus/llgo/runtime/abi.(*ArrayType).StructType"(ptr)
+declare ptr @"github.com/goplus/llgo/runtime/abi.(*ArrayType).StructType"(ptr) #0
 
-declare ptr @"github.com/goplus/llgo/runtime/abi.(*ArrayType).Uncommon"(ptr)
+declare ptr @"github.com/goplus/llgo/runtime/abi.(*ArrayType).Uncommon"(ptr) #0
 
-declare i64 @"github.com/goplus/llgo/runtime/abi.(*Type).ChanDir"(ptr)
+declare i64 @"github.com/goplus/llgo/runtime/abi.(*Type).ChanDir"(ptr) #0
 
-declare ptr @"github.com/goplus/llgo/runtime/abi.(*Type).Common"(ptr)
+declare ptr @"github.com/goplus/llgo/runtime/abi.(*Type).Common"(ptr) #0
 
-declare ptr @"github.com/goplus/llgo/runtime/abi.(*Type).Elem"(ptr)
+declare ptr @"github.com/goplus/llgo/runtime/abi.(*Type).Elem"(ptr) #0
 
-declare %"github.com/goplus/llgo/runtime/internal/runtime.Slice" @"github.com/goplus/llgo/runtime/abi.(*Type).ExportedMethods"(ptr)
+declare %"github.com/goplus/llgo/runtime/internal/runtime.Slice" @"github.com/goplus/llgo/runtime/abi.(*Type).ExportedMethods"(ptr) #0
 
-declare i64 @"github.com/goplus/llgo/runtime/abi.(*Type).FieldAlign"(ptr)
+declare i64 @"github.com/goplus/llgo/runtime/abi.(*Type).FieldAlign"(ptr) #0
 
-declare ptr @"github.com/goplus/llgo/runtime/abi.(*Type).FuncType"(ptr)
+declare ptr @"github.com/goplus/llgo/runtime/abi.(*Type).FuncType"(ptr) #0
 
-declare %"github.com/goplus/llgo/runtime/internal/runtime.Slice" @"github.com/goplus/llgo/runtime/abi.(*Type).GcSlice"(ptr, i64, i64)
+declare %"github.com/goplus/llgo/runtime/internal/runtime.Slice" @"github.com/goplus/llgo/runtime/abi.(*Type).GcSlice"(ptr, i64, i64) #0
 
-declare i1 @"github.com/goplus/llgo/runtime/abi.(*Type).HasName"(ptr)
+declare i1 @"github.com/goplus/llgo/runtime/abi.(*Type).HasName"(ptr) #0
 
-declare i1 @"github.com/goplus/llgo/runtime/abi.(*Type).IfaceIndir"(ptr)
+declare i1 @"github.com/goplus/llgo/runtime/abi.(*Type).IfaceIndir"(ptr) #0
 
-declare ptr @"github.com/goplus/llgo/runtime/abi.(*Type).InterfaceType"(ptr)
+declare ptr @"github.com/goplus/llgo/runtime/abi.(*Type).InterfaceType"(ptr) #0
 
-declare i1 @"github.com/goplus/llgo/runtime/abi.(*Type).IsClosure"(ptr)
+declare i1 @"github.com/goplus/llgo/runtime/abi.(*Type).IsClosure"(ptr) #0
 
-declare i1 @"github.com/goplus/llgo/runtime/abi.(*Type).IsDirectIface"(ptr)
+declare i1 @"github.com/goplus/llgo/runtime/abi.(*Type).IsDirectIface"(ptr) #0
 
-declare ptr @"github.com/goplus/llgo/runtime/abi.(*Type).Key"(ptr)
+declare ptr @"github.com/goplus/llgo/runtime/abi.(*Type).Key"(ptr) #0
 
-declare i64 @"github.com/goplus/llgo/runtime/abi.(*Type).Kind"(ptr)
+declare i64 @"github.com/goplus/llgo/runtime/abi.(*Type).Kind"(ptr) #0
 
-declare i64 @"github.com/goplus/llgo/runtime/abi.(*Type).Len"(ptr)
+declare i64 @"github.com/goplus/llgo/runtime/abi.(*Type).Len"(ptr) #0
 
-declare ptr @"github.com/goplus/llgo/runtime/abi.(*Type).MapType"(ptr)
+declare ptr @"github.com/goplus/llgo/runtime/abi.(*Type).MapType"(ptr) #0
 
-declare i64 @"github.com/goplus/llgo/runtime/abi.(*Type).NumMethod"(ptr)
+declare i64 @"github.com/goplus/llgo/runtime/abi.(*Type).NumMethod"(ptr) #0
 
-declare i1 @"github.com/goplus/llgo/runtime/abi.(*Type).Pointers"(ptr)
+declare i1 @"github.com/goplus/llgo/runtime/abi.(*Type).Pointers"(ptr) #0
 
-declare i64 @"github.com/goplus/llgo/runtime/abi.(*Type).Size"(ptr)
+declare i64 @"github.com/goplus/llgo/runtime/abi.(*Type).Size"(ptr) #0
 
-declare %"github.com/goplus/llgo/runtime/internal/runtime.String" @"github.com/goplus/llgo/runtime/abi.(*Type).String"(ptr)
+declare %"github.com/goplus/llgo/runtime/internal/runtime.String" @"github.com/goplus/llgo/runtime/abi.(*Type).String"(ptr) #0
 
-declare ptr @"github.com/goplus/llgo/runtime/abi.(*Type).StructType"(ptr)
+declare ptr @"github.com/goplus/llgo/runtime/abi.(*Type).StructType"(ptr) #0
 
-declare ptr @"github.com/goplus/llgo/runtime/abi.(*Type).Uncommon"(ptr)
+declare ptr @"github.com/goplus/llgo/runtime/abi.(*Type).Uncommon"(ptr) #0
 
-declare ptr @"github.com/goplus/llgo/runtime/internal/runtime.AllocU"(i64)
+declare ptr @"github.com/goplus/llgo/runtime/internal/runtime.AllocU"(i64) #0
 
-declare void @"github.com/goplus/llgo/runtime/internal/runtime.PrintPointer"(ptr)
+declare void @"github.com/goplus/llgo/runtime/internal/runtime.PrintPointer"(ptr) #0
 
-declare void @"github.com/goplus/llgo/runtime/internal/runtime.PrintByte"(i8)
+declare void @"github.com/goplus/llgo/runtime/internal/runtime.PrintByte"(i8) #0
 
 ; Function Attrs: nocallback nofree nounwind willreturn memory(argmem: write)
-declare void @llvm.memset(ptr nocapture writeonly, i8, i64, i1 immarg) #0
+declare void @llvm.memset(ptr nocapture writeonly, i8, i64, i1 immarg) #1
 
-declare void @"github.com/goplus/llgo/runtime/internal/runtime.AssertIndexRange"(i1)
+declare void @"github.com/goplus/llgo/runtime/internal/runtime.AssertIndexRange"(i1) #0
 
-declare void @"github.com/goplus/llgo/runtime/internal/runtime.Panic"(%"github.com/goplus/llgo/runtime/internal/runtime.eface")
+declare void @"github.com/goplus/llgo/runtime/internal/runtime.Panic"(%"github.com/goplus/llgo/runtime/internal/runtime.eface") #0
 
-declare ptr @"github.com/goplus/llgo/runtime/internal/runtime.AllocZ"(i64)
+declare ptr @"github.com/goplus/llgo/runtime/internal/runtime.AllocZ"(i64) #0
 
-attributes #0 = { nocallback nofree nounwind willreturn memory(argmem: write) }
+attributes #0 = { "frame-pointer"="non-leaf" }
+attributes #1 = { nocallback nofree nounwind willreturn memory(argmem: write) "frame-pointer"="non-leaf" }
diff --git a/cl/_testrt/abitype/out.ll b/cl/_testrt/abitype/out.ll
index 4387799496..35074645a5 100644
--- a/cl/_testrt/abitype/out.ll
+++ b/cl/_testrt/abitype/out.ll
@@ -20,7 +20,7 @@ source_filename = "github.com/goplus/llgo/cl/_testrt/abitype"
 @"*_llgo_uint8" = weak_odr constant %"github.com/goplus/llgo/runtime/abi.PtrType" { %"github.com/goplus/llgo/runtime/abi.Type" { i64 8, i64 8, i32 1277858201, i8 10, i8 8, i8 8, i8 54, { ptr, ptr } { ptr @"__llgo_stub.github.com/goplus/llgo/runtime/internal/runtime.memequalptr", ptr null }, ptr null, %"github.com/goplus/llgo/runtime/internal/runtime.String" { ptr @3, i64 5 }, ptr null }, ptr @_llgo_uint8 }, align 8
 @4 = private unnamed_addr constant [14 x i8] c"abi byte error", align 1
 
-define void @"github.com/goplus/llgo/cl/_testrt/abitype.init"() {
+define void @"github.com/goplus/llgo/cl/_testrt/abitype.init"() #0 {
 _llgo_0:
   %0 = load i1, ptr @"github.com/goplus/llgo/cl/_testrt/abitype.init$guard", align 1
   br i1 %0, label %_llgo_2, label %_llgo_1
@@ -34,7 +34,7 @@ _llgo_2:                                          ; preds = %_llgo_1, %_llgo_0
   ret void
 }
 
-define void @"github.com/goplus/llgo/cl/_testrt/abitype.main"() {
+define void @"github.com/goplus/llgo/cl/_testrt/abitype.main"() #0 {
 _llgo_0:
   %0 = call ptr @"github.com/goplus/llgo/runtime/internal/runtime.AllocZ"(i64 16)
   store %"github.com/goplus/llgo/runtime/internal/runtime.eface" { ptr @_llgo_int32, ptr null }, ptr %0, align 8
@@ -72,46 +72,48 @@ _llgo_4:                                          ; preds = %_llgo_2
   ret void
 }
 
-declare void @"github.com/goplus/llgo/runtime/abi.init"()
+declare void @"github.com/goplus/llgo/runtime/abi.init"() #0
 
-declare ptr @"github.com/goplus/llgo/runtime/internal/runtime.AllocZ"(i64)
+declare ptr @"github.com/goplus/llgo/runtime/internal/runtime.AllocZ"(i64) #0
 
-declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.memequal32"(ptr, ptr)
+declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.memequal32"(ptr, ptr) #0
 
-define linkonce i1 @"__llgo_stub.github.com/goplus/llgo/runtime/internal/runtime.memequal32"(ptr %0, ptr %1, ptr %2) {
+define linkonce i1 @"__llgo_stub.github.com/goplus/llgo/runtime/internal/runtime.memequal32"(ptr %0, ptr %1, ptr %2) #0 {
 _llgo_0:
   %3 = tail call i1 @"github.com/goplus/llgo/runtime/internal/runtime.memequal32"(ptr %1, ptr %2)
   ret i1 %3
 }
 
-declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.memequalptr"(ptr, ptr)
+declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.memequalptr"(ptr, ptr) #0
 
-define linkonce i1 @"__llgo_stub.github.com/goplus/llgo/runtime/internal/runtime.memequalptr"(ptr %0, ptr %1, ptr %2) {
+define linkonce i1 @"__llgo_stub.github.com/goplus/llgo/runtime/internal/runtime.memequalptr"(ptr %0, ptr %1, ptr %2) #0 {
 _llgo_0:
   %3 = tail call i1 @"github.com/goplus/llgo/runtime/internal/runtime.memequalptr"(ptr %1, ptr %2)
   ret i1 %3
 }
 
-declare %"github.com/goplus/llgo/runtime/internal/runtime.String" @"github.com/goplus/llgo/runtime/abi.(*Type).String"(ptr)
+declare %"github.com/goplus/llgo/runtime/internal/runtime.String" @"github.com/goplus/llgo/runtime/abi.(*Type).String"(ptr) #0
 
-declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.StringEqual"(%"github.com/goplus/llgo/runtime/internal/runtime.String", %"github.com/goplus/llgo/runtime/internal/runtime.String")
+declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.StringEqual"(%"github.com/goplus/llgo/runtime/internal/runtime.String", %"github.com/goplus/llgo/runtime/internal/runtime.String") #0
 
-declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.strequal"(ptr, ptr)
+declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.strequal"(ptr, ptr) #0
 
-define linkonce i1 @"__llgo_stub.github.com/goplus/llgo/runtime/internal/runtime.strequal"(ptr %0, ptr %1, ptr %2) {
+define linkonce i1 @"__llgo_stub.github.com/goplus/llgo/runtime/internal/runtime.strequal"(ptr %0, ptr %1, ptr %2) #0 {
 _llgo_0:
   %3 = tail call i1 @"github.com/goplus/llgo/runtime/internal/runtime.strequal"(ptr %1, ptr %2)
   ret i1 %3
 }
 
-declare ptr @"github.com/goplus/llgo/runtime/internal/runtime.AllocU"(i64)
+declare ptr @"github.com/goplus/llgo/runtime/internal/runtime.AllocU"(i64) #0
 
-declare void @"github.com/goplus/llgo/runtime/internal/runtime.Panic"(%"github.com/goplus/llgo/runtime/internal/runtime.eface")
+declare void @"github.com/goplus/llgo/runtime/internal/runtime.Panic"(%"github.com/goplus/llgo/runtime/internal/runtime.eface") #0
 
-declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.memequal8"(ptr, ptr)
+declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.memequal8"(ptr, ptr) #0
 
-define linkonce i1 @"__llgo_stub.github.com/goplus/llgo/runtime/internal/runtime.memequal8"(ptr %0, ptr %1, ptr %2) {
+define linkonce i1 @"__llgo_stub.github.com/goplus/llgo/runtime/internal/runtime.memequal8"(ptr %0, ptr %1, ptr %2) #0 {
 _llgo_0:
   %3 = tail call i1 @"github.com/goplus/llgo/runtime/internal/runtime.memequal8"(ptr %1, ptr %2)
   ret i1 %3
 }
+
+attributes #0 = { "frame-pointer"="non-leaf" }
diff --git a/cl/_testrt/alloca/out.ll b/cl/_testrt/alloca/out.ll
index f04969db48..d4c944b8b5 100644
--- a/cl/_testrt/alloca/out.ll
+++ b/cl/_testrt/alloca/out.ll
@@ -5,7 +5,7 @@ source_filename = "github.com/goplus/llgo/cl/_testrt/alloca"
 @0 = private unnamed_addr constant [4 x i8] c"Hi\0A\00", align 1
 @1 = private unnamed_addr constant [3 x i8] c"%s\00", align 1
 
-define void @"github.com/goplus/llgo/cl/_testrt/alloca.init"() {
+define void @"github.com/goplus/llgo/cl/_testrt/alloca.init"() #0 {
 _llgo_0:
   %0 = load i1, ptr @"github.com/goplus/llgo/cl/_testrt/alloca.init$guard", align 1
   br i1 %0, label %_llgo_2, label %_llgo_1
@@ -18,7 +18,7 @@ _llgo_2:                                          ; preds = %_llgo_1, %_llgo_0
   ret void
 }
 
-define void @"github.com/goplus/llgo/cl/_testrt/alloca.main"() {
+define void @"github.com/goplus/llgo/cl/_testrt/alloca.main"() #0 {
 _llgo_0:
   %0 = alloca i8, i64 4, align 1
   %1 = call ptr @memcpy(ptr %0, ptr @0, i64 4)
@@ -26,6 +26,8 @@ _llgo_0:
   ret void
 }
 
-declare ptr @memcpy(ptr, ptr, i64)
+declare ptr @memcpy(ptr, ptr, i64) #0
 
-declare i32 @printf(ptr, ...)
+declare i32 @printf(ptr, ...) #0
+
+attributes #0 = { "frame-pointer"="non-leaf" }
diff --git a/cl/_testrt/allocstr/out.ll b/cl/_testrt/allocstr/out.ll
index db695e22bb..3b357418f7 100644
--- a/cl/_testrt/allocstr/out.ll
+++ b/cl/_testrt/allocstr/out.ll
@@ -6,12 +6,12 @@ source_filename = "github.com/goplus/llgo/cl/_testrt/allocstr"
 @"github.com/goplus/llgo/cl/_testrt/allocstr.init$guard" = global i1 false, align 1
 @0 = private unnamed_addr constant [12 x i8] c"Hello world\0A", align 1
 
-define %"github.com/goplus/llgo/runtime/internal/runtime.String" @"github.com/goplus/llgo/cl/_testrt/allocstr.hello"() {
+define %"github.com/goplus/llgo/runtime/internal/runtime.String" @"github.com/goplus/llgo/cl/_testrt/allocstr.hello"() #0 {
 _llgo_0:
   ret %"github.com/goplus/llgo/runtime/internal/runtime.String" { ptr @0, i64 12 }
 }
 
-define void @"github.com/goplus/llgo/cl/_testrt/allocstr.init"() {
+define void @"github.com/goplus/llgo/cl/_testrt/allocstr.init"() #0 {
 _llgo_0:
   %0 = load i1, ptr @"github.com/goplus/llgo/cl/_testrt/allocstr.init$guard", align 1
   br i1 %0, label %_llgo_2, label %_llgo_1
@@ -24,7 +24,7 @@ _llgo_2:                                          ; preds = %_llgo_1, %_llgo_0
   ret void
 }
 
-define void @"github.com/goplus/llgo/cl/_testrt/allocstr.main"() {
+define void @"github.com/goplus/llgo/cl/_testrt/allocstr.main"() #0 {
 _llgo_0:
   %0 = call %"github.com/goplus/llgo/runtime/internal/runtime.String" @"github.com/goplus/llgo/cl/_testrt/allocstr.hello"()
   %1 = extractvalue %"github.com/goplus/llgo/runtime/internal/runtime.String" %0, 1
@@ -35,6 +35,8 @@ _llgo_0:
   ret void
 }
 
-declare ptr @"github.com/goplus/llgo/runtime/internal/runtime.CStrCopy"(ptr, %"github.com/goplus/llgo/runtime/internal/runtime.String")
+declare ptr @"github.com/goplus/llgo/runtime/internal/runtime.CStrCopy"(ptr, %"github.com/goplus/llgo/runtime/internal/runtime.String") #0
 
-declare i32 @printf(ptr, ...)
+declare i32 @printf(ptr, ...) #0
+
+attributes #0 = { "frame-pointer"="non-leaf" }
diff --git a/cl/_testrt/any/out.ll b/cl/_testrt/any/out.ll
index 3e9de5bb75..e9c4932624 100644
--- a/cl/_testrt/any/out.ll
+++ b/cl/_testrt/any/out.ll
@@ -21,7 +21,7 @@ source_filename = "github.com/goplus/llgo/cl/_testrt/any"
 @5 = private unnamed_addr constant [7 x i8] c"%s %d\0A\00", align 1
 @6 = private unnamed_addr constant [6 x i8] c"Hello\00", align 1
 
-define ptr @"github.com/goplus/llgo/cl/_testrt/any.hi"(%"github.com/goplus/llgo/runtime/internal/runtime.eface" %0) {
+define ptr @"github.com/goplus/llgo/cl/_testrt/any.hi"(%"github.com/goplus/llgo/runtime/internal/runtime.eface" %0) #0 {
 _llgo_0:
   %1 = extractvalue %"github.com/goplus/llgo/runtime/internal/runtime.eface" %0, 0
   %2 = icmp eq ptr %1, @"*_llgo_int8"
@@ -39,7 +39,7 @@ _llgo_2:                                          ; preds = %_llgo_0
   unreachable
 }
 
-define i64 @"github.com/goplus/llgo/cl/_testrt/any.incVal"(%"github.com/goplus/llgo/runtime/internal/runtime.eface" %0) {
+define i64 @"github.com/goplus/llgo/cl/_testrt/any.incVal"(%"github.com/goplus/llgo/runtime/internal/runtime.eface" %0) #0 {
 _llgo_0:
   %1 = extractvalue %"github.com/goplus/llgo/runtime/internal/runtime.eface" %0, 0
   %2 = icmp eq ptr %1, @_llgo_int
@@ -59,7 +59,7 @@ _llgo_2:                                          ; preds = %_llgo_0
   unreachable
 }
 
-define void @"github.com/goplus/llgo/cl/_testrt/any.init"() {
+define void @"github.com/goplus/llgo/cl/_testrt/any.init"() #0 {
 _llgo_0:
   %0 = load i1, ptr @"github.com/goplus/llgo/cl/_testrt/any.init$guard", align 1
   br i1 %0, label %_llgo_2, label %_llgo_1
@@ -72,7 +72,7 @@ _llgo_2:                                          ; preds = %_llgo_1, %_llgo_0
   ret void
 }
 
-define void @"github.com/goplus/llgo/cl/_testrt/any.main"() {
+define void @"github.com/goplus/llgo/cl/_testrt/any.main"() #0 {
 _llgo_0:
   %0 = call ptr @"github.com/goplus/llgo/cl/_testrt/any.hi"(%"github.com/goplus/llgo/runtime/internal/runtime.eface" { ptr @"*_llgo_int8", ptr @6 })
   %1 = call i64 @"github.com/goplus/llgo/cl/_testrt/any.incVal"(%"github.com/goplus/llgo/runtime/internal/runtime.eface" { ptr @_llgo_int, ptr inttoptr (i64 100 to ptr) })
@@ -80,40 +80,42 @@ _llgo_0:
   ret void
 }
 
-declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.memequalptr"(ptr, ptr)
+declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.memequalptr"(ptr, ptr) #0
 
-define linkonce i1 @"__llgo_stub.github.com/goplus/llgo/runtime/internal/runtime.memequalptr"(ptr %0, ptr %1, ptr %2) {
+define linkonce i1 @"__llgo_stub.github.com/goplus/llgo/runtime/internal/runtime.memequalptr"(ptr %0, ptr %1, ptr %2) #0 {
 _llgo_0:
   %3 = tail call i1 @"github.com/goplus/llgo/runtime/internal/runtime.memequalptr"(ptr %1, ptr %2)
   ret i1 %3
 }
 
-declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.memequal8"(ptr, ptr)
+declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.memequal8"(ptr, ptr) #0
 
-define linkonce i1 @"__llgo_stub.github.com/goplus/llgo/runtime/internal/runtime.memequal8"(ptr %0, ptr %1, ptr %2) {
+define linkonce i1 @"__llgo_stub.github.com/goplus/llgo/runtime/internal/runtime.memequal8"(ptr %0, ptr %1, ptr %2) #0 {
 _llgo_0:
   %3 = tail call i1 @"github.com/goplus/llgo/runtime/internal/runtime.memequal8"(ptr %1, ptr %2)
   ret i1 %3
 }
 
-declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.strequal"(ptr, ptr)
+declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.strequal"(ptr, ptr) #0
 
-define linkonce i1 @"__llgo_stub.github.com/goplus/llgo/runtime/internal/runtime.strequal"(ptr %0, ptr %1, ptr %2) {
+define linkonce i1 @"__llgo_stub.github.com/goplus/llgo/runtime/internal/runtime.strequal"(ptr %0, ptr %1, ptr %2) #0 {
 _llgo_0:
   %3 = tail call i1 @"github.com/goplus/llgo/runtime/internal/runtime.strequal"(ptr %1, ptr %2)
   ret i1 %3
 }
 
-declare ptr @"github.com/goplus/llgo/runtime/internal/runtime.AllocU"(i64)
+declare ptr @"github.com/goplus/llgo/runtime/internal/runtime.AllocU"(i64) #0
 
-declare void @"github.com/goplus/llgo/runtime/internal/runtime.Panic"(%"github.com/goplus/llgo/runtime/internal/runtime.eface")
+declare void @"github.com/goplus/llgo/runtime/internal/runtime.Panic"(%"github.com/goplus/llgo/runtime/internal/runtime.eface") #0
 
-declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.memequal64"(ptr, ptr)
+declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.memequal64"(ptr, ptr) #0
 
-define linkonce i1 @"__llgo_stub.github.com/goplus/llgo/runtime/internal/runtime.memequal64"(ptr %0, ptr %1, ptr %2) {
+define linkonce i1 @"__llgo_stub.github.com/goplus/llgo/runtime/internal/runtime.memequal64"(ptr %0, ptr %1, ptr %2) #0 {
 _llgo_0:
   %3 = tail call i1 @"github.com/goplus/llgo/runtime/internal/runtime.memequal64"(ptr %1, ptr %2)
   ret i1 %3
 }
 
-declare i32 @printf(ptr, ...)
+declare i32 @printf(ptr, ...) #0
+
+attributes #0 = { "frame-pointer"="non-leaf" }
diff --git a/cl/_testrt/asm/out.ll b/cl/_testrt/asm/out.ll
index 164617e319..136ed85589 100644
--- a/cl/_testrt/asm/out.ll
+++ b/cl/_testrt/asm/out.ll
@@ -3,7 +3,7 @@ source_filename = "github.com/goplus/llgo/cl/_testrt/asm"
 
 @"github.com/goplus/llgo/cl/_testrt/asm.init$guard" = global i1 false, align 1
 
-define void @"github.com/goplus/llgo/cl/_testrt/asm.init"() {
+define void @"github.com/goplus/llgo/cl/_testrt/asm.init"() #0 {
 _llgo_0:
   %0 = load i1, ptr @"github.com/goplus/llgo/cl/_testrt/asm.init$guard", align 1
   br i1 %0, label %_llgo_2, label %_llgo_1
@@ -16,8 +16,10 @@ _llgo_2:                                          ; preds = %_llgo_1, %_llgo_0
   ret void
 }
 
-define void @"github.com/goplus/llgo/cl/_testrt/asm.main"() {
+define void @"github.com/goplus/llgo/cl/_testrt/asm.main"() #0 {
 _llgo_0:
   call void asm sideeffect "nop", ""()
   ret void
 }
+
+attributes #0 = { "frame-pointer"="non-leaf" }
diff --git a/cl/_testrt/asmfull/expect.txt b/cl/_testrt/asmfull/expect.txt
index dc168e4a41..48261b052e 100644
--- a/cl/_testrt/asmfull/expect.txt
+++ b/cl/_testrt/asmfull/expect.txt
@@ -1,2 +1 @@
 Result: 42
-Result: 0
diff --git a/cl/_testrt/asmfull/in.go b/cl/_testrt/asmfull/in.go
index 4bfa5933e2..5a1f9dcaa0 100644
--- a/cl/_testrt/asmfull/in.go
+++ b/cl/_testrt/asmfull/in.go
@@ -23,5 +23,7 @@ func main() {
 		"x": 25,
 		"y": 17,
 	})
-	println("Result:", res2)
+	_ = res2
+	// check res2 is meaningless
+	// println("Result:", res2)
 }
diff --git a/cl/_testrt/asmfull/out.ll b/cl/_testrt/asmfull/out.ll
index 74f1387b7a..a056c4ae62 100644
--- a/cl/_testrt/asmfull/out.ll
+++ b/cl/_testrt/asmfull/out.ll
@@ -64,7 +64,7 @@ source_filename = "github.com/goplus/llgo/cl/_testrt/asmfull"
 @20 = private unnamed_addr constant [1 x i8] c"x", align 1
 @21 = private unnamed_addr constant [1 x i8] c"y", align 1
 
-define void @"github.com/goplus/llgo/cl/_testrt/asmfull.init"() {
+define void @"github.com/goplus/llgo/cl/_testrt/asmfull.init"() #0 {
 _llgo_0:
   %0 = load i1, ptr @"github.com/goplus/llgo/cl/_testrt/asmfull.init$guard", align 1
   br i1 %0, label %_llgo_2, label %_llgo_1
@@ -77,7 +77,7 @@ _llgo_2:                                          ; preds = %_llgo_1, %_llgo_0
   ret void
 }
 
-define void @"github.com/goplus/llgo/cl/_testrt/asmfull.main"() {
+define void @"github.com/goplus/llgo/cl/_testrt/asmfull.main"() #0 {
 _llgo_0:
   call void asm sideeffect "nop", ""()
   %0 = call ptr @"github.com/goplus/llgo/runtime/internal/runtime.MakeMap"(ptr @"map[_llgo_string]_llgo_any", i64 1)
@@ -106,67 +106,65 @@ _llgo_0:
   %11 = call ptr @"github.com/goplus/llgo/runtime/internal/runtime.MapAssign"(ptr @"map[_llgo_string]_llgo_any", ptr %7, ptr %10)
   store %"github.com/goplus/llgo/runtime/internal/runtime.eface" { ptr @_llgo_int, ptr inttoptr (i64 17 to ptr) }, ptr %11, align 8
   %12 = call i64 asm sideeffect "# calc ${1} + ${2} -> $0", "=&r,r,r"(i64 25, i64 17)
-  call void @"github.com/goplus/llgo/runtime/internal/runtime.PrintString"(%"github.com/goplus/llgo/runtime/internal/runtime.String" { ptr @19, i64 7 })
-  call void @"github.com/goplus/llgo/runtime/internal/runtime.PrintByte"(i8 32)
-  call void @"github.com/goplus/llgo/runtime/internal/runtime.PrintUint"(i64 %12)
-  call void @"github.com/goplus/llgo/runtime/internal/runtime.PrintByte"(i8 10)
   ret void
 }
 
-declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.memequalptr"(ptr, ptr)
+declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.memequalptr"(ptr, ptr) #0
 
-define linkonce i1 @"__llgo_stub.github.com/goplus/llgo/runtime/internal/runtime.memequalptr"(ptr %0, ptr %1, ptr %2) {
+define linkonce i1 @"__llgo_stub.github.com/goplus/llgo/runtime/internal/runtime.memequalptr"(ptr %0, ptr %1, ptr %2) #0 {
 _llgo_0:
   %3 = tail call i1 @"github.com/goplus/llgo/runtime/internal/runtime.memequalptr"(ptr %1, ptr %2)
   ret i1 %3
 }
 
-declare i64 @"github.com/goplus/llgo/runtime/internal/runtime.typehash"(ptr, ptr, i64)
+declare i64 @"github.com/goplus/llgo/runtime/internal/runtime.typehash"(ptr, ptr, i64) #0
 
-declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.strequal"(ptr, ptr)
+declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.strequal"(ptr, ptr) #0
 
-define linkonce i1 @"__llgo_stub.github.com/goplus/llgo/runtime/internal/runtime.strequal"(ptr %0, ptr %1, ptr %2) {
+define linkonce i1 @"__llgo_stub.github.com/goplus/llgo/runtime/internal/runtime.strequal"(ptr %0, ptr %1, ptr %2) #0 {
 _llgo_0:
   %3 = tail call i1 @"github.com/goplus/llgo/runtime/internal/runtime.strequal"(ptr %1, ptr %2)
   ret i1 %3
 }
 
-declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.nilinterequal"(ptr, ptr)
+declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.nilinterequal"(ptr, ptr) #0
 
-define linkonce i1 @"__llgo_stub.github.com/goplus/llgo/runtime/internal/runtime.nilinterequal"(ptr %0, ptr %1, ptr %2) {
+define linkonce i1 @"__llgo_stub.github.com/goplus/llgo/runtime/internal/runtime.nilinterequal"(ptr %0, ptr %1, ptr %2) #0 {
 _llgo_0:
   %3 = tail call i1 @"github.com/goplus/llgo/runtime/internal/runtime.nilinterequal"(ptr %1, ptr %2)
   ret i1 %3
 }
 
-declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.structequal"(ptr, ptr, ptr)
+declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.structequal"(ptr, ptr, ptr) #0
 
-declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.arrayequal"(ptr, ptr, ptr)
+declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.arrayequal"(ptr, ptr, ptr) #0
 
-declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.memequal8"(ptr, ptr)
+declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.memequal8"(ptr, ptr) #0
 
-define linkonce i1 @"__llgo_stub.github.com/goplus/llgo/runtime/internal/runtime.memequal8"(ptr %0, ptr %1, ptr %2) {
+define linkonce i1 @"__llgo_stub.github.com/goplus/llgo/runtime/internal/runtime.memequal8"(ptr %0, ptr %1, ptr %2) #0 {
 _llgo_0:
   %3 = tail call i1 @"github.com/goplus/llgo/runtime/internal/runtime.memequal8"(ptr %1, ptr %2)
   ret i1 %3
 }
 
-declare ptr @"github.com/goplus/llgo/runtime/internal/runtime.MakeMap"(ptr, i64)
+declare ptr @"github.com/goplus/llgo/runtime/internal/runtime.MakeMap"(ptr, i64) #0
 
-declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.memequal64"(ptr, ptr)
+declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.memequal64"(ptr, ptr) #0
 
-define linkonce i1 @"__llgo_stub.github.com/goplus/llgo/runtime/internal/runtime.memequal64"(ptr %0, ptr %1, ptr %2) {
+define linkonce i1 @"__llgo_stub.github.com/goplus/llgo/runtime/internal/runtime.memequal64"(ptr %0, ptr %1, ptr %2) #0 {
 _llgo_0:
   %3 = tail call i1 @"github.com/goplus/llgo/runtime/internal/runtime.memequal64"(ptr %1, ptr %2)
   ret i1 %3
 }
 
-declare ptr @"github.com/goplus/llgo/runtime/internal/runtime.AllocU"(i64)
+declare ptr @"github.com/goplus/llgo/runtime/internal/runtime.AllocU"(i64) #0
+
+declare ptr @"github.com/goplus/llgo/runtime/internal/runtime.MapAssign"(ptr, ptr, ptr) #0
 
-declare ptr @"github.com/goplus/llgo/runtime/internal/runtime.MapAssign"(ptr, ptr, ptr)
+declare void @"github.com/goplus/llgo/runtime/internal/runtime.PrintString"(%"github.com/goplus/llgo/runtime/internal/runtime.String") #0
 
-declare void @"github.com/goplus/llgo/runtime/internal/runtime.PrintString"(%"github.com/goplus/llgo/runtime/internal/runtime.String")
+declare void @"github.com/goplus/llgo/runtime/internal/runtime.PrintByte"(i8) #0
 
-declare void @"github.com/goplus/llgo/runtime/internal/runtime.PrintByte"(i8)
+declare void @"github.com/goplus/llgo/runtime/internal/runtime.PrintUint"(i64) #0
 
-declare void @"github.com/goplus/llgo/runtime/internal/runtime.PrintUint"(i64)
+attributes #0 = { "frame-pointer"="non-leaf" }
diff --git a/cl/_testrt/builtin/out.ll b/cl/_testrt/builtin/out.ll
index d8763d900e..5bc51c44e9 100644
--- a/cl/_testrt/builtin/out.ll
+++ b/cl/_testrt/builtin/out.ll
@@ -22,7 +22,7 @@ source_filename = "github.com/goplus/llgo/cl/_testrt/builtin"
 @6 = private unnamed_addr constant [3 x i8] c"abd", align 1
 @7 = private unnamed_addr constant [2 x i8] c"fn", align 1
 
-define double @"github.com/goplus/llgo/cl/_testrt/builtin.Float64frombits"(i64 %0) {
+define double @"github.com/goplus/llgo/cl/_testrt/builtin.Float64frombits"(i64 %0) #0 {
 _llgo_0:
   %1 = call ptr @"github.com/goplus/llgo/runtime/internal/runtime.AllocZ"(i64 8)
   store i64 %0, ptr %1, align 4
@@ -30,7 +30,7 @@ _llgo_0:
   ret double %2
 }
 
-define double @"github.com/goplus/llgo/cl/_testrt/builtin.Inf"(i64 %0) {
+define double @"github.com/goplus/llgo/cl/_testrt/builtin.Inf"(i64 %0) #0 {
 _llgo_0:
   %1 = icmp sge i64 %0, 0
   br i1 %1, label %_llgo_1, label %_llgo_3
@@ -47,24 +47,24 @@ _llgo_3:                                          ; preds = %_llgo_0
   br label %_llgo_2
 }
 
-define i1 @"github.com/goplus/llgo/cl/_testrt/builtin.IsNaN"(double %0) {
+define i1 @"github.com/goplus/llgo/cl/_testrt/builtin.IsNaN"(double %0) #0 {
 _llgo_0:
   %1 = fcmp une double %0, %0
   ret i1 %1
 }
 
-define double @"github.com/goplus/llgo/cl/_testrt/builtin.NaN"() {
+define double @"github.com/goplus/llgo/cl/_testrt/builtin.NaN"() #0 {
 _llgo_0:
   %0 = call double @"github.com/goplus/llgo/cl/_testrt/builtin.Float64frombits"(i64 9221120237041090561)
   ret double %0
 }
 
-define void @"github.com/goplus/llgo/cl/_testrt/builtin.demo"() {
+define void @"github.com/goplus/llgo/cl/_testrt/builtin.demo"() #0 {
 _llgo_0:
   ret void
 }
 
-define void @"github.com/goplus/llgo/cl/_testrt/builtin.init"() {
+define void @"github.com/goplus/llgo/cl/_testrt/builtin.init"() #0 {
 _llgo_0:
   %0 = load i1, ptr @"github.com/goplus/llgo/cl/_testrt/builtin.init$guard", align 1
   br i1 %0, label %_llgo_2, label %_llgo_1
@@ -80,7 +80,7 @@ _llgo_2:                                          ; preds = %_llgo_1, %_llgo_0
   ret void
 }
 
-define void @"github.com/goplus/llgo/cl/_testrt/builtin.main"() {
+define void @"github.com/goplus/llgo/cl/_testrt/builtin.main"() #0 {
 _llgo_0:
   %0 = call ptr @"github.com/goplus/llgo/runtime/internal/runtime.AllocZ"(i64 32)
   %1 = getelementptr inbounds i64, ptr %0, i64 0
@@ -445,19 +445,19 @@ _llgo_3:                                          ; preds = %_llgo_1
   ret void
 }
 
-define void @"github.com/goplus/llgo/cl/_testrt/builtin.main$1"() {
+define void @"github.com/goplus/llgo/cl/_testrt/builtin.main$1"() #0 {
 _llgo_0:
   ret void
 }
 
-define void @"github.com/goplus/llgo/cl/_testrt/builtin.main$2"() {
+define void @"github.com/goplus/llgo/cl/_testrt/builtin.main$2"() #0 {
 _llgo_0:
   call void @"github.com/goplus/llgo/runtime/internal/runtime.PrintString"(%"github.com/goplus/llgo/runtime/internal/runtime.String" { ptr @7, i64 2 })
   call void @"github.com/goplus/llgo/runtime/internal/runtime.PrintByte"(i8 10)
   ret void
 }
 
-define void @"github.com/goplus/llgo/cl/_testrt/builtin.main$3"(ptr %0) {
+define void @"github.com/goplus/llgo/cl/_testrt/builtin.main$3"(ptr %0) #0 {
 _llgo_0:
   %1 = load { ptr }, ptr %0, align 8
   %2 = extractvalue { ptr } %1, 0
@@ -467,74 +467,76 @@ _llgo_0:
   ret void
 }
 
-declare ptr @"github.com/goplus/llgo/runtime/internal/runtime.AllocZ"(i64)
+declare ptr @"github.com/goplus/llgo/runtime/internal/runtime.AllocZ"(i64) #0
 
-declare %"github.com/goplus/llgo/runtime/internal/runtime.Slice" @"github.com/goplus/llgo/runtime/internal/runtime.NewSlice3"(ptr, i64, i64, i64, i64, i64)
+declare %"github.com/goplus/llgo/runtime/internal/runtime.Slice" @"github.com/goplus/llgo/runtime/internal/runtime.NewSlice3"(ptr, i64, i64, i64, i64, i64) #0
 
-declare void @"github.com/goplus/llgo/runtime/internal/runtime.PrintSlice"(%"github.com/goplus/llgo/runtime/internal/runtime.Slice")
+declare void @"github.com/goplus/llgo/runtime/internal/runtime.PrintSlice"(%"github.com/goplus/llgo/runtime/internal/runtime.Slice") #0
 
-declare void @"github.com/goplus/llgo/runtime/internal/runtime.PrintByte"(i8)
+declare void @"github.com/goplus/llgo/runtime/internal/runtime.PrintByte"(i8) #0
 
-declare void @"github.com/goplus/llgo/runtime/internal/runtime.PrintInt"(i64)
+declare void @"github.com/goplus/llgo/runtime/internal/runtime.PrintInt"(i64) #0
 
-declare %"github.com/goplus/llgo/runtime/internal/runtime.String" @"github.com/goplus/llgo/runtime/internal/runtime.StringSlice"(%"github.com/goplus/llgo/runtime/internal/runtime.String", i64, i64)
+declare %"github.com/goplus/llgo/runtime/internal/runtime.String" @"github.com/goplus/llgo/runtime/internal/runtime.StringSlice"(%"github.com/goplus/llgo/runtime/internal/runtime.String", i64, i64) #0
 
-declare void @"github.com/goplus/llgo/runtime/internal/runtime.PrintString"(%"github.com/goplus/llgo/runtime/internal/runtime.String")
+declare void @"github.com/goplus/llgo/runtime/internal/runtime.PrintString"(%"github.com/goplus/llgo/runtime/internal/runtime.String") #0
 
-declare %"github.com/goplus/llgo/runtime/internal/runtime.Slice" @"github.com/goplus/llgo/runtime/internal/runtime.SliceAppend"(%"github.com/goplus/llgo/runtime/internal/runtime.Slice", ptr, i64, i64)
+declare %"github.com/goplus/llgo/runtime/internal/runtime.Slice" @"github.com/goplus/llgo/runtime/internal/runtime.SliceAppend"(%"github.com/goplus/llgo/runtime/internal/runtime.Slice", ptr, i64, i64) #0
 
-define linkonce void @"__llgo_stub.github.com/goplus/llgo/cl/_testrt/builtin.main$1"(ptr %0) {
+define linkonce void @"__llgo_stub.github.com/goplus/llgo/cl/_testrt/builtin.main$1"(ptr %0) #0 {
 _llgo_0:
   tail call void @"github.com/goplus/llgo/cl/_testrt/builtin.main$1"()
   ret void
 }
 
-declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.memequal64"(ptr, ptr)
+declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.memequal64"(ptr, ptr) #0
 
-define linkonce i1 @"__llgo_stub.github.com/goplus/llgo/runtime/internal/runtime.memequal64"(ptr %0, ptr %1, ptr %2) {
+define linkonce i1 @"__llgo_stub.github.com/goplus/llgo/runtime/internal/runtime.memequal64"(ptr %0, ptr %1, ptr %2) #0 {
 _llgo_0:
   %3 = tail call i1 @"github.com/goplus/llgo/runtime/internal/runtime.memequal64"(ptr %1, ptr %2)
   ret i1 %3
 }
 
-declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.memequalptr"(ptr, ptr)
+declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.memequalptr"(ptr, ptr) #0
 
-define linkonce i1 @"__llgo_stub.github.com/goplus/llgo/runtime/internal/runtime.memequalptr"(ptr %0, ptr %1, ptr %2) {
+define linkonce i1 @"__llgo_stub.github.com/goplus/llgo/runtime/internal/runtime.memequalptr"(ptr %0, ptr %1, ptr %2) #0 {
 _llgo_0:
   %3 = tail call i1 @"github.com/goplus/llgo/runtime/internal/runtime.memequalptr"(ptr %1, ptr %2)
   ret i1 %3
 }
 
-declare void @"github.com/goplus/llgo/runtime/internal/runtime.PrintBool"(i1)
+declare void @"github.com/goplus/llgo/runtime/internal/runtime.PrintBool"(i1) #0
 
-declare void @"github.com/goplus/llgo/runtime/internal/runtime.PrintUint"(i64)
+declare void @"github.com/goplus/llgo/runtime/internal/runtime.PrintUint"(i64) #0
 
-declare void @"github.com/goplus/llgo/runtime/internal/runtime.PrintFloat"(double)
+declare void @"github.com/goplus/llgo/runtime/internal/runtime.PrintFloat"(double) #0
 
-declare void @"github.com/goplus/llgo/runtime/internal/runtime.PrintEface"(%"github.com/goplus/llgo/runtime/internal/runtime.eface")
+declare void @"github.com/goplus/llgo/runtime/internal/runtime.PrintEface"(%"github.com/goplus/llgo/runtime/internal/runtime.eface") #0
 
-declare void @"github.com/goplus/llgo/runtime/internal/runtime.PrintPointer"(ptr)
+declare void @"github.com/goplus/llgo/runtime/internal/runtime.PrintPointer"(ptr) #0
 
-declare i64 @"github.com/goplus/llgo/runtime/internal/runtime.SliceCopy"(%"github.com/goplus/llgo/runtime/internal/runtime.Slice", ptr, i64, i64)
+declare i64 @"github.com/goplus/llgo/runtime/internal/runtime.SliceCopy"(%"github.com/goplus/llgo/runtime/internal/runtime.Slice", ptr, i64, i64) #0
 
-declare ptr @"github.com/goplus/llgo/runtime/internal/runtime.AllocU"(i64)
+declare ptr @"github.com/goplus/llgo/runtime/internal/runtime.AllocU"(i64) #0
 
-declare ptr @"github.com/goplus/llgo/runtime/internal/runtime.NewStringIter"(%"github.com/goplus/llgo/runtime/internal/runtime.String")
+declare ptr @"github.com/goplus/llgo/runtime/internal/runtime.NewStringIter"(%"github.com/goplus/llgo/runtime/internal/runtime.String") #0
 
-declare { i1, i64, i32 } @"github.com/goplus/llgo/runtime/internal/runtime.StringIterNext"(ptr)
+declare { i1, i64, i32 } @"github.com/goplus/llgo/runtime/internal/runtime.StringIterNext"(ptr) #0
 
-declare %"github.com/goplus/llgo/runtime/internal/runtime.Slice" @"github.com/goplus/llgo/runtime/internal/runtime.StringToBytes"(%"github.com/goplus/llgo/runtime/internal/runtime.String")
+declare %"github.com/goplus/llgo/runtime/internal/runtime.Slice" @"github.com/goplus/llgo/runtime/internal/runtime.StringToBytes"(%"github.com/goplus/llgo/runtime/internal/runtime.String") #0
 
-declare %"github.com/goplus/llgo/runtime/internal/runtime.Slice" @"github.com/goplus/llgo/runtime/internal/runtime.StringToRunes"(%"github.com/goplus/llgo/runtime/internal/runtime.String")
+declare %"github.com/goplus/llgo/runtime/internal/runtime.Slice" @"github.com/goplus/llgo/runtime/internal/runtime.StringToRunes"(%"github.com/goplus/llgo/runtime/internal/runtime.String") #0
 
-declare %"github.com/goplus/llgo/runtime/internal/runtime.String" @"github.com/goplus/llgo/runtime/internal/runtime.StringFromBytes"(%"github.com/goplus/llgo/runtime/internal/runtime.Slice")
+declare %"github.com/goplus/llgo/runtime/internal/runtime.String" @"github.com/goplus/llgo/runtime/internal/runtime.StringFromBytes"(%"github.com/goplus/llgo/runtime/internal/runtime.Slice") #0
 
-declare %"github.com/goplus/llgo/runtime/internal/runtime.String" @"github.com/goplus/llgo/runtime/internal/runtime.StringFromRunes"(%"github.com/goplus/llgo/runtime/internal/runtime.Slice")
+declare %"github.com/goplus/llgo/runtime/internal/runtime.String" @"github.com/goplus/llgo/runtime/internal/runtime.StringFromRunes"(%"github.com/goplus/llgo/runtime/internal/runtime.Slice") #0
 
-declare void @"github.com/goplus/llgo/runtime/internal/runtime.AssertIndexRange"(i1)
+declare void @"github.com/goplus/llgo/runtime/internal/runtime.AssertIndexRange"(i1) #0
 
-declare %"github.com/goplus/llgo/runtime/internal/runtime.String" @"github.com/goplus/llgo/runtime/internal/runtime.StringFromRune"(i32)
+declare %"github.com/goplus/llgo/runtime/internal/runtime.String" @"github.com/goplus/llgo/runtime/internal/runtime.StringFromRune"(i32) #0
 
-declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.StringEqual"(%"github.com/goplus/llgo/runtime/internal/runtime.String", %"github.com/goplus/llgo/runtime/internal/runtime.String")
+declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.StringEqual"(%"github.com/goplus/llgo/runtime/internal/runtime.String", %"github.com/goplus/llgo/runtime/internal/runtime.String") #0
 
-declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.StringLess"(%"github.com/goplus/llgo/runtime/internal/runtime.String", %"github.com/goplus/llgo/runtime/internal/runtime.String")
+declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.StringLess"(%"github.com/goplus/llgo/runtime/internal/runtime.String", %"github.com/goplus/llgo/runtime/internal/runtime.String") #0
+
+attributes #0 = { "frame-pointer"="non-leaf" }
diff --git a/cl/_testrt/callback/out.ll b/cl/_testrt/callback/out.ll
index 63dd1b404f..68fd798414 100644
--- a/cl/_testrt/callback/out.ll
+++ b/cl/_testrt/callback/out.ll
@@ -5,7 +5,7 @@ source_filename = "github.com/goplus/llgo/cl/_testrt/callback"
 @0 = private unnamed_addr constant [7 x i8] c"Hello\0A\00", align 1
 @1 = private unnamed_addr constant [10 x i8] c"callback\0A\00", align 1
 
-define void @"github.com/goplus/llgo/cl/_testrt/callback.callback"(ptr %0, { ptr, ptr } %1) {
+define void @"github.com/goplus/llgo/cl/_testrt/callback.callback"(ptr %0, { ptr, ptr } %1) #0 {
 _llgo_0:
   %2 = extractvalue { ptr, ptr } %1, 1
   %3 = extractvalue { ptr, ptr } %1, 0
@@ -13,7 +13,7 @@ _llgo_0:
   ret void
 }
 
-define void @"github.com/goplus/llgo/cl/_testrt/callback.init"() {
+define void @"github.com/goplus/llgo/cl/_testrt/callback.init"() #0 {
 _llgo_0:
   %0 = load i1, ptr @"github.com/goplus/llgo/cl/_testrt/callback.init$guard", align 1
   br i1 %0, label %_llgo_2, label %_llgo_1
@@ -26,23 +26,25 @@ _llgo_2:                                          ; preds = %_llgo_1, %_llgo_0
   ret void
 }
 
-define void @"github.com/goplus/llgo/cl/_testrt/callback.main"() {
+define void @"github.com/goplus/llgo/cl/_testrt/callback.main"() #0 {
 _llgo_0:
   call void @"github.com/goplus/llgo/cl/_testrt/callback.callback"(ptr @0, { ptr, ptr } { ptr @"__llgo_stub.github.com/goplus/llgo/cl/_testrt/callback.print", ptr null })
   call void @"github.com/goplus/llgo/cl/_testrt/callback.callback"(ptr @1, { ptr, ptr } { ptr @"__llgo_stub.github.com/goplus/llgo/cl/_testrt/callback.print", ptr null })
   ret void
 }
 
-define void @"github.com/goplus/llgo/cl/_testrt/callback.print"(ptr %0) {
+define void @"github.com/goplus/llgo/cl/_testrt/callback.print"(ptr %0) #0 {
 _llgo_0:
   %1 = call i32 (ptr, ...) @printf(ptr %0)
   ret void
 }
 
-define linkonce void @"__llgo_stub.github.com/goplus/llgo/cl/_testrt/callback.print"(ptr %0, ptr %1) {
+define linkonce void @"__llgo_stub.github.com/goplus/llgo/cl/_testrt/callback.print"(ptr %0, ptr %1) #0 {
 _llgo_0:
   tail call void @"github.com/goplus/llgo/cl/_testrt/callback.print"(ptr %1)
   ret void
 }
 
-declare i32 @printf(ptr, ...)
+declare i32 @printf(ptr, ...) #0
+
+attributes #0 = { "frame-pointer"="non-leaf" }
diff --git a/cl/_testrt/cast/out.ll b/cl/_testrt/cast/out.ll
index 13e266857d..e4eeadb846 100644
--- a/cl/_testrt/cast/out.ll
+++ b/cl/_testrt/cast/out.ll
@@ -12,7 +12,7 @@ source_filename = "github.com/goplus/llgo/cl/_testrt/cast"
 @1 = private unnamed_addr constant [6 x i8] c"string", align 1
 @"*_llgo_string" = weak_odr constant %"github.com/goplus/llgo/runtime/abi.PtrType" { %"github.com/goplus/llgo/runtime/abi.Type" { i64 8, i64 8, i32 -1323879264, i8 10, i8 8, i8 8, i8 54, { ptr, ptr } { ptr @"__llgo_stub.github.com/goplus/llgo/runtime/internal/runtime.memequalptr", ptr null }, ptr null, %"github.com/goplus/llgo/runtime/internal/runtime.String" { ptr @1, i64 6 }, ptr null }, ptr @_llgo_string }, align 8
 
-define void @"github.com/goplus/llgo/cl/_testrt/cast.cvt32Fto32"(float %0, i32 %1) {
+define void @"github.com/goplus/llgo/cl/_testrt/cast.cvt32Fto32"(float %0, i32 %1) #0 {
 _llgo_0:
   %2 = fptosi float %0 to i64
   %3 = trunc i64 %2 to i32
@@ -30,7 +30,7 @@ _llgo_2:                                          ; preds = %_llgo_0
   ret void
 }
 
-define void @"github.com/goplus/llgo/cl/_testrt/cast.cvt32Fto32U"(float %0, i32 %1) {
+define void @"github.com/goplus/llgo/cl/_testrt/cast.cvt32Fto32U"(float %0, i32 %1) #0 {
 _llgo_0:
   %2 = fcmp olt float %0, 0.000000e+00
   %3 = fptosi float %0 to i64
@@ -51,7 +51,7 @@ _llgo_2:                                          ; preds = %_llgo_0
   ret void
 }
 
-define void @"github.com/goplus/llgo/cl/_testrt/cast.cvt32Fto64F"(float %0, double %1) {
+define void @"github.com/goplus/llgo/cl/_testrt/cast.cvt32Fto64F"(float %0, double %1) #0 {
 _llgo_0:
   %2 = fpext float %0 to double
   %3 = fcmp une double %2, %1
@@ -68,7 +68,7 @@ _llgo_2:                                          ; preds = %_llgo_0
   ret void
 }
 
-define void @"github.com/goplus/llgo/cl/_testrt/cast.cvt32Fto8"(float %0, i8 %1) {
+define void @"github.com/goplus/llgo/cl/_testrt/cast.cvt32Fto8"(float %0, i8 %1) #0 {
 _llgo_0:
   %2 = fptosi float %0 to i64
   %3 = trunc i64 %2 to i8
@@ -86,7 +86,7 @@ _llgo_2:                                          ; preds = %_llgo_0
   ret void
 }
 
-define void @"github.com/goplus/llgo/cl/_testrt/cast.cvt32Fto8U"(float %0, i8 %1) {
+define void @"github.com/goplus/llgo/cl/_testrt/cast.cvt32Fto8U"(float %0, i8 %1) #0 {
 _llgo_0:
   %2 = fcmp olt float %0, 0.000000e+00
   %3 = fptosi float %0 to i64
@@ -107,7 +107,7 @@ _llgo_2:                                          ; preds = %_llgo_0
   ret void
 }
 
-define void @"github.com/goplus/llgo/cl/_testrt/cast.cvt32to64"(i32 %0, i64 %1) {
+define void @"github.com/goplus/llgo/cl/_testrt/cast.cvt32to64"(i32 %0, i64 %1) #0 {
 _llgo_0:
   %2 = sext i32 %0 to i64
   %3 = icmp ne i64 %2, %1
@@ -124,7 +124,7 @@ _llgo_2:                                          ; preds = %_llgo_0
   ret void
 }
 
-define void @"github.com/goplus/llgo/cl/_testrt/cast.cvt64Fto32F"(double %0, float %1) {
+define void @"github.com/goplus/llgo/cl/_testrt/cast.cvt64Fto32F"(double %0, float %1) #0 {
 _llgo_0:
   %2 = fptrunc double %0 to float
   %3 = fcmp une float %2, %1
@@ -141,7 +141,7 @@ _llgo_2:                                          ; preds = %_llgo_0
   ret void
 }
 
-define void @"github.com/goplus/llgo/cl/_testrt/cast.cvt64Uto64F"(i64 %0, double %1) {
+define void @"github.com/goplus/llgo/cl/_testrt/cast.cvt64Uto64F"(i64 %0, double %1) #0 {
 _llgo_0:
   %2 = uitofp i64 %0 to double
   %3 = fcmp une double %2, %1
@@ -158,7 +158,7 @@ _llgo_2:                                          ; preds = %_llgo_0
   ret void
 }
 
-define void @"github.com/goplus/llgo/cl/_testrt/cast.cvt64to64F"(i64 %0, double %1) {
+define void @"github.com/goplus/llgo/cl/_testrt/cast.cvt64to64F"(i64 %0, double %1) #0 {
 _llgo_0:
   %2 = sitofp i64 %0 to double
   %3 = fcmp une double %2, %1
@@ -175,7 +175,7 @@ _llgo_2:                                          ; preds = %_llgo_0
   ret void
 }
 
-define void @"github.com/goplus/llgo/cl/_testrt/cast.cvt64to8"(i64 %0, i8 %1) {
+define void @"github.com/goplus/llgo/cl/_testrt/cast.cvt64to8"(i64 %0, i8 %1) #0 {
 _llgo_0:
   %2 = trunc i64 %0 to i8
   %3 = icmp ne i8 %2, %1
@@ -192,7 +192,7 @@ _llgo_2:                                          ; preds = %_llgo_0
   ret void
 }
 
-define void @"github.com/goplus/llgo/cl/_testrt/cast.cvt64to8U"(i64 %0, i8 %1) {
+define void @"github.com/goplus/llgo/cl/_testrt/cast.cvt64to8U"(i64 %0, i8 %1) #0 {
 _llgo_0:
   %2 = trunc i64 %0 to i8
   %3 = icmp ne i8 %2, %1
@@ -209,7 +209,7 @@ _llgo_2:                                          ; preds = %_llgo_0
   ret void
 }
 
-define void @"github.com/goplus/llgo/cl/_testrt/cast.cvtUinptr"(i32 %0, i64 %1) {
+define void @"github.com/goplus/llgo/cl/_testrt/cast.cvtUinptr"(i32 %0, i64 %1) #0 {
 _llgo_0:
   %2 = sext i32 %0 to i64
   %3 = icmp ne i64 %2, %1
@@ -238,7 +238,7 @@ _llgo_4:                                          ; preds = %_llgo_2
   ret void
 }
 
-define void @"github.com/goplus/llgo/cl/_testrt/cast.init"() {
+define void @"github.com/goplus/llgo/cl/_testrt/cast.init"() #0 {
 _llgo_0:
   %0 = load i1, ptr @"github.com/goplus/llgo/cl/_testrt/cast.init$guard", align 1
   br i1 %0, label %_llgo_2, label %_llgo_1
@@ -251,7 +251,7 @@ _llgo_2:                                          ; preds = %_llgo_1, %_llgo_0
   ret void
 }
 
-define void @"github.com/goplus/llgo/cl/_testrt/cast.main"() {
+define void @"github.com/goplus/llgo/cl/_testrt/cast.main"() #0 {
 _llgo_0:
   call void @"github.com/goplus/llgo/cl/_testrt/cast.cvt64to8"(i64 0, i8 0)
   call void @"github.com/goplus/llgo/cl/_testrt/cast.cvt64to8"(i64 127, i8 127)
@@ -308,22 +308,24 @@ _llgo_0:
   ret void
 }
 
-declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.strequal"(ptr, ptr)
+declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.strequal"(ptr, ptr) #0
 
-define linkonce i1 @"__llgo_stub.github.com/goplus/llgo/runtime/internal/runtime.strequal"(ptr %0, ptr %1, ptr %2) {
+define linkonce i1 @"__llgo_stub.github.com/goplus/llgo/runtime/internal/runtime.strequal"(ptr %0, ptr %1, ptr %2) #0 {
 _llgo_0:
   %3 = tail call i1 @"github.com/goplus/llgo/runtime/internal/runtime.strequal"(ptr %1, ptr %2)
   ret i1 %3
 }
 
-declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.memequalptr"(ptr, ptr)
+declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.memequalptr"(ptr, ptr) #0
 
-define linkonce i1 @"__llgo_stub.github.com/goplus/llgo/runtime/internal/runtime.memequalptr"(ptr %0, ptr %1, ptr %2) {
+define linkonce i1 @"__llgo_stub.github.com/goplus/llgo/runtime/internal/runtime.memequalptr"(ptr %0, ptr %1, ptr %2) #0 {
 _llgo_0:
   %3 = tail call i1 @"github.com/goplus/llgo/runtime/internal/runtime.memequalptr"(ptr %1, ptr %2)
   ret i1 %3
 }
 
-declare ptr @"github.com/goplus/llgo/runtime/internal/runtime.AllocU"(i64)
+declare ptr @"github.com/goplus/llgo/runtime/internal/runtime.AllocU"(i64) #0
 
-declare void @"github.com/goplus/llgo/runtime/internal/runtime.Panic"(%"github.com/goplus/llgo/runtime/internal/runtime.eface")
+declare void @"github.com/goplus/llgo/runtime/internal/runtime.Panic"(%"github.com/goplus/llgo/runtime/internal/runtime.eface") #0
+
+attributes #0 = { "frame-pointer"="non-leaf" }
diff --git a/cl/_testrt/clear/out.ll b/cl/_testrt/clear/out.ll
index 18aec295ff..30908a191b 100644
--- a/cl/_testrt/clear/out.ll
+++ b/cl/_testrt/clear/out.ll
@@ -45,7 +45,7 @@ source_filename = "github.com/goplus/llgo/cl/_testrt/clear"
 @"*_llgo_uintptr" = weak_odr constant %"github.com/goplus/llgo/runtime/abi.PtrType" { %"github.com/goplus/llgo/runtime/abi.Type" { i64 8, i64 8, i32 -1684891952, i8 10, i8 8, i8 8, i8 54, { ptr, ptr } { ptr @"__llgo_stub.github.com/goplus/llgo/runtime/internal/runtime.memequalptr", ptr null }, ptr null, %"github.com/goplus/llgo/runtime/internal/runtime.String" { ptr @12, i64 7 }, ptr null }, ptr @_llgo_uintptr }, align 8
 @"github.com/goplus/llgo/cl/_testrt/clear.struct$RSTTp_pTKglBmcdy0CMmgLp9HSGRvgD8UwNIoMFFyOg$fields" = weak_odr constant [4 x %"github.com/goplus/llgo/runtime/abi.StructField"] [%"github.com/goplus/llgo/runtime/abi.StructField" { %"github.com/goplus/llgo/runtime/internal/runtime.String" { ptr @4, i64 7 }, ptr @"[8]_llgo_uint8", i64 0, %"github.com/goplus/llgo/runtime/internal/runtime.String" zeroinitializer, i1 false }, %"github.com/goplus/llgo/runtime/abi.StructField" { %"github.com/goplus/llgo/runtime/internal/runtime.String" { ptr @8, i64 4 }, ptr @"[8]_llgo_int", i64 8, %"github.com/goplus/llgo/runtime/internal/runtime.String" zeroinitializer, i1 false }, %"github.com/goplus/llgo/runtime/abi.StructField" { %"github.com/goplus/llgo/runtime/internal/runtime.String" { ptr @10, i64 5 }, ptr @"[8]_llgo_int", i64 72, %"github.com/goplus/llgo/runtime/internal/runtime.String" zeroinitializer, i1 false }, %"github.com/goplus/llgo/runtime/abi.StructField" { %"github.com/goplus/llgo/runtime/internal/runtime.String" { ptr @11, i64 8 }, ptr @_llgo_uintptr, i64 136, %"github.com/goplus/llgo/runtime/internal/runtime.String" zeroinitializer, i1 false }], align 8
 
-define void @"github.com/goplus/llgo/cl/_testrt/clear.Clear"() {
+define void @"github.com/goplus/llgo/cl/_testrt/clear.Clear"() #0 {
 _llgo_0:
   %0 = call ptr @"github.com/goplus/llgo/runtime/internal/runtime.AllocZ"(i64 32)
   %1 = getelementptr inbounds i64, ptr %0, i64 0
@@ -85,7 +85,7 @@ _llgo_0:
   ret void
 }
 
-define void @"github.com/goplus/llgo/cl/_testrt/clear.init"() {
+define void @"github.com/goplus/llgo/cl/_testrt/clear.init"() #0 {
 _llgo_0:
   %0 = load i1, ptr @"github.com/goplus/llgo/cl/_testrt/clear.init$guard", align 1
   br i1 %0, label %_llgo_2, label %_llgo_1
@@ -98,50 +98,52 @@ _llgo_2:                                          ; preds = %_llgo_1, %_llgo_0
   ret void
 }
 
-declare ptr @"github.com/goplus/llgo/runtime/internal/runtime.AllocZ"(i64)
+declare ptr @"github.com/goplus/llgo/runtime/internal/runtime.AllocZ"(i64) #0
 
-declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.memequalptr"(ptr, ptr)
+declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.memequalptr"(ptr, ptr) #0
 
-define linkonce i1 @"__llgo_stub.github.com/goplus/llgo/runtime/internal/runtime.memequalptr"(ptr %0, ptr %1, ptr %2) {
+define linkonce i1 @"__llgo_stub.github.com/goplus/llgo/runtime/internal/runtime.memequalptr"(ptr %0, ptr %1, ptr %2) #0 {
 _llgo_0:
   %3 = tail call i1 @"github.com/goplus/llgo/runtime/internal/runtime.memequalptr"(ptr %1, ptr %2)
   ret i1 %3
 }
 
-declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.memequal64"(ptr, ptr)
+declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.memequal64"(ptr, ptr) #0
 
-define linkonce i1 @"__llgo_stub.github.com/goplus/llgo/runtime/internal/runtime.memequal64"(ptr %0, ptr %1, ptr %2) {
+define linkonce i1 @"__llgo_stub.github.com/goplus/llgo/runtime/internal/runtime.memequal64"(ptr %0, ptr %1, ptr %2) #0 {
 _llgo_0:
   %3 = tail call i1 @"github.com/goplus/llgo/runtime/internal/runtime.memequal64"(ptr %1, ptr %2)
   ret i1 %3
 }
 
-declare void @"github.com/goplus/llgo/runtime/internal/runtime.SliceClear"(ptr, %"github.com/goplus/llgo/runtime/internal/runtime.Slice")
+declare void @"github.com/goplus/llgo/runtime/internal/runtime.SliceClear"(ptr, %"github.com/goplus/llgo/runtime/internal/runtime.Slice") #0
 
-declare void @"github.com/goplus/llgo/runtime/internal/runtime.PrintSlice"(%"github.com/goplus/llgo/runtime/internal/runtime.Slice")
+declare void @"github.com/goplus/llgo/runtime/internal/runtime.PrintSlice"(%"github.com/goplus/llgo/runtime/internal/runtime.Slice") #0
 
-declare void @"github.com/goplus/llgo/runtime/internal/runtime.PrintByte"(i8)
+declare void @"github.com/goplus/llgo/runtime/internal/runtime.PrintByte"(i8) #0
 
-declare i64 @"github.com/goplus/llgo/runtime/internal/runtime.typehash"(ptr, ptr, i64)
+declare i64 @"github.com/goplus/llgo/runtime/internal/runtime.typehash"(ptr, ptr, i64) #0
 
-declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.structequal"(ptr, ptr, ptr)
+declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.structequal"(ptr, ptr, ptr) #0
 
-declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.arrayequal"(ptr, ptr, ptr)
+declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.arrayequal"(ptr, ptr, ptr) #0
 
-declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.memequal8"(ptr, ptr)
+declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.memequal8"(ptr, ptr) #0
 
-define linkonce i1 @"__llgo_stub.github.com/goplus/llgo/runtime/internal/runtime.memequal8"(ptr %0, ptr %1, ptr %2) {
+define linkonce i1 @"__llgo_stub.github.com/goplus/llgo/runtime/internal/runtime.memequal8"(ptr %0, ptr %1, ptr %2) #0 {
 _llgo_0:
   %3 = tail call i1 @"github.com/goplus/llgo/runtime/internal/runtime.memequal8"(ptr %1, ptr %2)
   ret i1 %3
 }
 
-declare ptr @"github.com/goplus/llgo/runtime/internal/runtime.MakeMap"(ptr, i64)
+declare ptr @"github.com/goplus/llgo/runtime/internal/runtime.MakeMap"(ptr, i64) #0
 
-declare ptr @"github.com/goplus/llgo/runtime/internal/runtime.AllocU"(i64)
+declare ptr @"github.com/goplus/llgo/runtime/internal/runtime.AllocU"(i64) #0
 
-declare ptr @"github.com/goplus/llgo/runtime/internal/runtime.MapAssign"(ptr, ptr, ptr)
+declare ptr @"github.com/goplus/llgo/runtime/internal/runtime.MapAssign"(ptr, ptr, ptr) #0
 
-declare void @"github.com/goplus/llgo/runtime/internal/runtime.MapClear"(ptr, ptr)
+declare void @"github.com/goplus/llgo/runtime/internal/runtime.MapClear"(ptr, ptr) #0
 
-declare void @"github.com/goplus/llgo/runtime/internal/runtime.PrintPointer"(ptr)
+declare void @"github.com/goplus/llgo/runtime/internal/runtime.PrintPointer"(ptr) #0
+
+attributes #0 = { "frame-pointer"="non-leaf" }
diff --git a/cl/_testrt/closure/out.ll b/cl/_testrt/closure/out.ll
index 137117866e..295b719a9b 100644
--- a/cl/_testrt/closure/out.ll
+++ b/cl/_testrt/closure/out.ll
@@ -5,7 +5,7 @@ source_filename = "github.com/goplus/llgo/cl/_testrt/closure"
 @0 = private unnamed_addr constant [7 x i8] c"%d %d\0A\00", align 1
 @1 = private unnamed_addr constant [7 x i8] c"%d %d\0A\00", align 1
 
-define void @"github.com/goplus/llgo/cl/_testrt/closure.init"() {
+define void @"github.com/goplus/llgo/cl/_testrt/closure.init"() #0 {
 _llgo_0:
   %0 = load i1, ptr @"github.com/goplus/llgo/cl/_testrt/closure.init$guard", align 1
   br i1 %0, label %_llgo_2, label %_llgo_1
@@ -18,7 +18,7 @@ _llgo_2:                                          ; preds = %_llgo_1, %_llgo_0
   ret void
 }
 
-define void @"github.com/goplus/llgo/cl/_testrt/closure.main"() {
+define void @"github.com/goplus/llgo/cl/_testrt/closure.main"() #0 {
 _llgo_0:
   call void @"github.com/goplus/llgo/cl/_testrt/closure.main$1"(i64 100, i64 200)
   %0 = call ptr @"github.com/goplus/llgo/runtime/internal/runtime.AllocZ"(i64 16)
@@ -33,19 +33,19 @@ _llgo_0:
   ret void
 }
 
-define void @"github.com/goplus/llgo/cl/_testrt/closure.main$1"(i64 %0, i64 %1) {
+define void @"github.com/goplus/llgo/cl/_testrt/closure.main$1"(i64 %0, i64 %1) #0 {
 _llgo_0:
   %2 = call i32 (ptr, ...) @printf(ptr @0, i64 %0, i64 %1)
   ret void
 }
 
-define void @"github.com/goplus/llgo/cl/_testrt/closure.main$2"(i64 %0, i64 %1) {
+define void @"github.com/goplus/llgo/cl/_testrt/closure.main$2"(i64 %0, i64 %1) #0 {
 _llgo_0:
   %2 = call i32 (ptr, ...) @printf(ptr @1, i64 %0, i64 %1)
   ret void
 }
 
-define void @"github.com/goplus/llgo/cl/_testrt/closure.main$3"(ptr %0) {
+define void @"github.com/goplus/llgo/cl/_testrt/closure.main$3"(ptr %0) #0 {
 _llgo_0:
   %1 = load { ptr }, ptr %0, align 8
   %2 = extractvalue { ptr } %1, 0
@@ -56,14 +56,16 @@ _llgo_0:
   ret void
 }
 
-declare ptr @"github.com/goplus/llgo/runtime/internal/runtime.AllocZ"(i64)
+declare ptr @"github.com/goplus/llgo/runtime/internal/runtime.AllocZ"(i64) #0
 
-define linkonce void @"__llgo_stub.github.com/goplus/llgo/cl/_testrt/closure.main$2"(ptr %0, i64 %1, i64 %2) {
+define linkonce void @"__llgo_stub.github.com/goplus/llgo/cl/_testrt/closure.main$2"(ptr %0, i64 %1, i64 %2) #0 {
 _llgo_0:
   tail call void @"github.com/goplus/llgo/cl/_testrt/closure.main$2"(i64 %1, i64 %2)
   ret void
 }
 
-declare ptr @"github.com/goplus/llgo/runtime/internal/runtime.AllocU"(i64)
+declare ptr @"github.com/goplus/llgo/runtime/internal/runtime.AllocU"(i64) #0
 
-declare i32 @printf(ptr, ...)
+declare i32 @printf(ptr, ...) #0
+
+attributes #0 = { "frame-pointer"="non-leaf" }
diff --git a/cl/_testrt/closurebound/out.ll b/cl/_testrt/closurebound/out.ll
index 2f5c3ccca1..47ec4c3dab 100644
--- a/cl/_testrt/closurebound/out.ll
+++ b/cl/_testrt/closurebound/out.ll
@@ -15,31 +15,31 @@ source_filename = "github.com/goplus/llgo/cl/_testrt/closurebound"
 @1 = private unnamed_addr constant [6 x i8] c"string", align 1
 @"*_llgo_string" = weak_odr constant %"github.com/goplus/llgo/runtime/abi.PtrType" { %"github.com/goplus/llgo/runtime/abi.Type" { i64 8, i64 8, i32 -1323879264, i8 10, i8 8, i8 8, i8 54, { ptr, ptr } { ptr @"__llgo_stub.github.com/goplus/llgo/runtime/internal/runtime.memequalptr", ptr null }, ptr null, %"github.com/goplus/llgo/runtime/internal/runtime.String" { ptr @1, i64 6 }, ptr null }, ptr @_llgo_string }, align 8
 
-define i64 @"github.com/goplus/llgo/cl/_testrt/closurebound.demo1.encode"(%"github.com/goplus/llgo/cl/_testrt/closurebound.demo1" %0) {
+define i64 @"github.com/goplus/llgo/cl/_testrt/closurebound.demo1.encode"(%"github.com/goplus/llgo/cl/_testrt/closurebound.demo1" %0) #0 {
 _llgo_0:
   ret i64 1
 }
 
-define i64 @"github.com/goplus/llgo/cl/_testrt/closurebound.(*demo1).encode"(ptr %0) {
+define i64 @"github.com/goplus/llgo/cl/_testrt/closurebound.(*demo1).encode"(ptr %0) #0 {
 _llgo_0:
   %1 = load %"github.com/goplus/llgo/cl/_testrt/closurebound.demo1", ptr %0, align 1
   %2 = call i64 @"github.com/goplus/llgo/cl/_testrt/closurebound.demo1.encode"(%"github.com/goplus/llgo/cl/_testrt/closurebound.demo1" %1)
   ret i64 %2
 }
 
-define i64 @"github.com/goplus/llgo/cl/_testrt/closurebound.demo2.encode"(%"github.com/goplus/llgo/cl/_testrt/closurebound.demo2" %0) {
+define i64 @"github.com/goplus/llgo/cl/_testrt/closurebound.demo2.encode"(%"github.com/goplus/llgo/cl/_testrt/closurebound.demo2" %0) #0 {
 _llgo_0:
   ret i64 2
 }
 
-define i64 @"github.com/goplus/llgo/cl/_testrt/closurebound.(*demo2).encode"(ptr %0) {
+define i64 @"github.com/goplus/llgo/cl/_testrt/closurebound.(*demo2).encode"(ptr %0) #0 {
 _llgo_0:
   %1 = load %"github.com/goplus/llgo/cl/_testrt/closurebound.demo2", ptr %0, align 1
   %2 = call i64 @"github.com/goplus/llgo/cl/_testrt/closurebound.demo2.encode"(%"github.com/goplus/llgo/cl/_testrt/closurebound.demo2" %1)
   ret i64 %2
 }
 
-define void @"github.com/goplus/llgo/cl/_testrt/closurebound.init"() {
+define void @"github.com/goplus/llgo/cl/_testrt/closurebound.init"() #0 {
 _llgo_0:
   %0 = load i1, ptr @"github.com/goplus/llgo/cl/_testrt/closurebound.init$guard", align 1
   br i1 %0, label %_llgo_2, label %_llgo_1
@@ -57,7 +57,7 @@ _llgo_2:                                          ; preds = %_llgo_1, %_llgo_0
   ret void
 }
 
-define void @"github.com/goplus/llgo/cl/_testrt/closurebound.main"() {
+define void @"github.com/goplus/llgo/cl/_testrt/closurebound.main"() #0 {
 _llgo_0:
   %0 = call ptr @"github.com/goplus/llgo/runtime/internal/runtime.AllocU"(i64 0)
   %1 = getelementptr inbounds { %"github.com/goplus/llgo/cl/_testrt/closurebound.demo1" }, ptr %0, i32 0, i32 0
@@ -80,7 +80,7 @@ _llgo_2:                                          ; preds = %_llgo_0
   ret void
 }
 
-define i64 @"github.com/goplus/llgo/cl/_testrt/closurebound.demo2.encode$bound"(ptr %0) {
+define i64 @"github.com/goplus/llgo/cl/_testrt/closurebound.demo2.encode$bound"(ptr %0) #0 {
 _llgo_0:
   %1 = load { %"github.com/goplus/llgo/cl/_testrt/closurebound.demo2" }, ptr %0, align 1
   %2 = extractvalue { %"github.com/goplus/llgo/cl/_testrt/closurebound.demo2" } %1, 0
@@ -88,9 +88,9 @@ _llgo_0:
   ret i64 %3
 }
 
-declare ptr @"github.com/goplus/llgo/runtime/internal/runtime.AllocU"(i64)
+declare ptr @"github.com/goplus/llgo/runtime/internal/runtime.AllocU"(i64) #0
 
-define i64 @"github.com/goplus/llgo/cl/_testrt/closurebound.demo1.encode$bound"(ptr %0) {
+define i64 @"github.com/goplus/llgo/cl/_testrt/closurebound.demo1.encode$bound"(ptr %0) #0 {
 _llgo_0:
   %1 = load { %"github.com/goplus/llgo/cl/_testrt/closurebound.demo1" }, ptr %0, align 1
   %2 = extractvalue { %"github.com/goplus/llgo/cl/_testrt/closurebound.demo1" } %1, 0
@@ -98,20 +98,22 @@ _llgo_0:
   ret i64 %3
 }
 
-declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.strequal"(ptr, ptr)
+declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.strequal"(ptr, ptr) #0
 
-define linkonce i1 @"__llgo_stub.github.com/goplus/llgo/runtime/internal/runtime.strequal"(ptr %0, ptr %1, ptr %2) {
+define linkonce i1 @"__llgo_stub.github.com/goplus/llgo/runtime/internal/runtime.strequal"(ptr %0, ptr %1, ptr %2) #0 {
 _llgo_0:
   %3 = tail call i1 @"github.com/goplus/llgo/runtime/internal/runtime.strequal"(ptr %1, ptr %2)
   ret i1 %3
 }
 
-declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.memequalptr"(ptr, ptr)
+declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.memequalptr"(ptr, ptr) #0
 
-define linkonce i1 @"__llgo_stub.github.com/goplus/llgo/runtime/internal/runtime.memequalptr"(ptr %0, ptr %1, ptr %2) {
+define linkonce i1 @"__llgo_stub.github.com/goplus/llgo/runtime/internal/runtime.memequalptr"(ptr %0, ptr %1, ptr %2) #0 {
 _llgo_0:
   %3 = tail call i1 @"github.com/goplus/llgo/runtime/internal/runtime.memequalptr"(ptr %1, ptr %2)
   ret i1 %3
 }
 
-declare void @"github.com/goplus/llgo/runtime/internal/runtime.Panic"(%"github.com/goplus/llgo/runtime/internal/runtime.eface")
+declare void @"github.com/goplus/llgo/runtime/internal/runtime.Panic"(%"github.com/goplus/llgo/runtime/internal/runtime.eface") #0
+
+attributes #0 = { "frame-pointer"="non-leaf" }
diff --git a/cl/_testrt/closureconv/out.ll b/cl/_testrt/closureconv/out.ll
index 52d8a36bdd..8073a05ce5 100644
--- a/cl/_testrt/closureconv/out.ll
+++ b/cl/_testrt/closureconv/out.ll
@@ -6,7 +6,7 @@ source_filename = "github.com/goplus/llgo/cl/_testrt/closureconv"
 
 @"github.com/goplus/llgo/cl/_testrt/closureconv.init$guard" = global i1 false, align 1
 
-define i64 @"github.com/goplus/llgo/cl/_testrt/closureconv.(*Call).add"(ptr %0, i64 %1, i64 %2) {
+define i64 @"github.com/goplus/llgo/cl/_testrt/closureconv.(*Call).add"(ptr %0, i64 %1, i64 %2) #0 {
 _llgo_0:
   %3 = add i64 %1, %2
   %4 = getelementptr inbounds %"github.com/goplus/llgo/cl/_testrt/closureconv.Call", ptr %0, i32 0, i32 1
@@ -15,13 +15,13 @@ _llgo_0:
   ret i64 %6
 }
 
-define i64 @"github.com/goplus/llgo/cl/_testrt/closureconv.add"(i64 %0, i64 %1) {
+define i64 @"github.com/goplus/llgo/cl/_testrt/closureconv.add"(i64 %0, i64 %1) #0 {
 _llgo_0:
   %2 = add i64 %0, %1
   ret i64 %2
 }
 
-define %"github.com/goplus/llgo/cl/_testrt/closureconv.Func" @"github.com/goplus/llgo/cl/_testrt/closureconv.demo1"(i64 %0) {
+define %"github.com/goplus/llgo/cl/_testrt/closureconv.Func" @"github.com/goplus/llgo/cl/_testrt/closureconv.demo1"(i64 %0) #0 {
 _llgo_0:
   %1 = call ptr @"github.com/goplus/llgo/runtime/internal/runtime.AllocZ"(i64 24)
   %2 = getelementptr inbounds %"github.com/goplus/llgo/cl/_testrt/closureconv.Call", ptr %1, i32 0, i32 1
@@ -40,7 +40,7 @@ _llgo_0:
   ret %"github.com/goplus/llgo/cl/_testrt/closureconv.Func" %10
 }
 
-define %"github.com/goplus/llgo/cl/_testrt/closureconv.Func" @"github.com/goplus/llgo/cl/_testrt/closureconv.demo2"() {
+define %"github.com/goplus/llgo/cl/_testrt/closureconv.Func" @"github.com/goplus/llgo/cl/_testrt/closureconv.demo2"() #0 {
 _llgo_0:
   %0 = call ptr @"github.com/goplus/llgo/runtime/internal/runtime.AllocZ"(i64 24)
   %1 = call ptr @"github.com/goplus/llgo/runtime/internal/runtime.AllocU"(i64 8)
@@ -53,23 +53,23 @@ _llgo_0:
   ret %"github.com/goplus/llgo/cl/_testrt/closureconv.Func" %5
 }
 
-define %"github.com/goplus/llgo/cl/_testrt/closureconv.Func" @"github.com/goplus/llgo/cl/_testrt/closureconv.demo3"() {
+define %"github.com/goplus/llgo/cl/_testrt/closureconv.Func" @"github.com/goplus/llgo/cl/_testrt/closureconv.demo3"() #0 {
 _llgo_0:
   ret %"github.com/goplus/llgo/cl/_testrt/closureconv.Func" { ptr @"__llgo_stub.github.com/goplus/llgo/cl/_testrt/closureconv.add", ptr null }
 }
 
-define %"github.com/goplus/llgo/cl/_testrt/closureconv.Func" @"github.com/goplus/llgo/cl/_testrt/closureconv.demo4"() {
+define %"github.com/goplus/llgo/cl/_testrt/closureconv.Func" @"github.com/goplus/llgo/cl/_testrt/closureconv.demo4"() #0 {
 _llgo_0:
   ret %"github.com/goplus/llgo/cl/_testrt/closureconv.Func" { ptr @"__llgo_stub.github.com/goplus/llgo/cl/_testrt/closureconv.demo4$1", ptr null }
 }
 
-define i64 @"github.com/goplus/llgo/cl/_testrt/closureconv.demo4$1"(i64 %0, i64 %1) {
+define i64 @"github.com/goplus/llgo/cl/_testrt/closureconv.demo4$1"(i64 %0, i64 %1) #0 {
 _llgo_0:
   %2 = add i64 %0, %1
   ret i64 %2
 }
 
-define %"github.com/goplus/llgo/cl/_testrt/closureconv.Func" @"github.com/goplus/llgo/cl/_testrt/closureconv.demo5"(i64 %0) {
+define %"github.com/goplus/llgo/cl/_testrt/closureconv.Func" @"github.com/goplus/llgo/cl/_testrt/closureconv.demo5"(i64 %0) #0 {
 _llgo_0:
   %1 = call ptr @"github.com/goplus/llgo/runtime/internal/runtime.AllocZ"(i64 8)
   store i64 %0, ptr %1, align 4
@@ -83,7 +83,7 @@ _llgo_0:
   ret %"github.com/goplus/llgo/cl/_testrt/closureconv.Func" %6
 }
 
-define i64 @"github.com/goplus/llgo/cl/_testrt/closureconv.demo5$1"(ptr %0, i64 %1, i64 %2) {
+define i64 @"github.com/goplus/llgo/cl/_testrt/closureconv.demo5$1"(ptr %0, i64 %1, i64 %2) #0 {
 _llgo_0:
   %3 = add i64 %1, %2
   %4 = load { ptr }, ptr %0, align 8
@@ -93,7 +93,7 @@ _llgo_0:
   ret i64 %7
 }
 
-define void @"github.com/goplus/llgo/cl/_testrt/closureconv.init"() {
+define void @"github.com/goplus/llgo/cl/_testrt/closureconv.init"() #0 {
 _llgo_0:
   %0 = load i1, ptr @"github.com/goplus/llgo/cl/_testrt/closureconv.init$guard", align 1
   br i1 %0, label %_llgo_2, label %_llgo_1
@@ -106,7 +106,7 @@ _llgo_2:                                          ; preds = %_llgo_1, %_llgo_0
   ret void
 }
 
-define void @"github.com/goplus/llgo/cl/_testrt/closureconv.main"() {
+define void @"github.com/goplus/llgo/cl/_testrt/closureconv.main"() #0 {
 _llgo_0:
   %0 = call %"github.com/goplus/llgo/cl/_testrt/closureconv.Func" @"github.com/goplus/llgo/cl/_testrt/closureconv.demo1"(i64 1)
   %1 = extractvalue %"github.com/goplus/llgo/cl/_testrt/closureconv.Func" %0, 1
@@ -156,9 +156,9 @@ _llgo_0:
   ret void
 }
 
-declare ptr @"github.com/goplus/llgo/runtime/internal/runtime.AllocZ"(i64)
+declare ptr @"github.com/goplus/llgo/runtime/internal/runtime.AllocZ"(i64) #0
 
-define i64 @"github.com/goplus/llgo/cl/_testrt/closureconv.(*Call).add$bound"(ptr %0, i64 %1, i64 %2) {
+define i64 @"github.com/goplus/llgo/cl/_testrt/closureconv.(*Call).add$bound"(ptr %0, i64 %1, i64 %2) #0 {
 _llgo_0:
   %3 = load { ptr }, ptr %0, align 8
   %4 = extractvalue { ptr } %3, 0
@@ -166,20 +166,22 @@ _llgo_0:
   ret i64 %5
 }
 
-declare ptr @"github.com/goplus/llgo/runtime/internal/runtime.AllocU"(i64)
+declare ptr @"github.com/goplus/llgo/runtime/internal/runtime.AllocU"(i64) #0
 
-define linkonce i64 @"__llgo_stub.github.com/goplus/llgo/cl/_testrt/closureconv.add"(ptr %0, i64 %1, i64 %2) {
+define linkonce i64 @"__llgo_stub.github.com/goplus/llgo/cl/_testrt/closureconv.add"(ptr %0, i64 %1, i64 %2) #0 {
 _llgo_0:
   %3 = tail call i64 @"github.com/goplus/llgo/cl/_testrt/closureconv.add"(i64 %1, i64 %2)
   ret i64 %3
 }
 
-define linkonce i64 @"__llgo_stub.github.com/goplus/llgo/cl/_testrt/closureconv.demo4$1"(ptr %0, i64 %1, i64 %2) {
+define linkonce i64 @"__llgo_stub.github.com/goplus/llgo/cl/_testrt/closureconv.demo4$1"(ptr %0, i64 %1, i64 %2) #0 {
 _llgo_0:
   %3 = tail call i64 @"github.com/goplus/llgo/cl/_testrt/closureconv.demo4$1"(i64 %1, i64 %2)
   ret i64 %3
 }
 
-declare void @"github.com/goplus/llgo/runtime/internal/runtime.PrintInt"(i64)
+declare void @"github.com/goplus/llgo/runtime/internal/runtime.PrintInt"(i64) #0
 
-declare void @"github.com/goplus/llgo/runtime/internal/runtime.PrintByte"(i8)
+declare void @"github.com/goplus/llgo/runtime/internal/runtime.PrintByte"(i8) #0
+
+attributes #0 = { "frame-pointer"="non-leaf" }
diff --git a/cl/_testrt/closureiface/out.ll b/cl/_testrt/closureiface/out.ll
index f72e4e6545..092ec6b59c 100644
--- a/cl/_testrt/closureiface/out.ll
+++ b/cl/_testrt/closureiface/out.ll
@@ -33,7 +33,7 @@ source_filename = "github.com/goplus/llgo/cl/_testrt/closureiface"
 @7 = private unnamed_addr constant [6 x i8] c"string", align 1
 @"*_llgo_string" = weak_odr constant %"github.com/goplus/llgo/runtime/abi.PtrType" { %"github.com/goplus/llgo/runtime/abi.Type" { i64 8, i64 8, i32 -1323879264, i8 10, i8 8, i8 8, i8 54, { ptr, ptr } { ptr @"__llgo_stub.github.com/goplus/llgo/runtime/internal/runtime.memequalptr", ptr null }, ptr null, %"github.com/goplus/llgo/runtime/internal/runtime.String" { ptr @7, i64 6 }, ptr null }, ptr @_llgo_string }, align 8
 
-define void @"github.com/goplus/llgo/cl/_testrt/closureiface.init"() {
+define void @"github.com/goplus/llgo/cl/_testrt/closureiface.init"() #0 {
 _llgo_0:
   %0 = load i1, ptr @"github.com/goplus/llgo/cl/_testrt/closureiface.init$guard", align 1
   br i1 %0, label %_llgo_2, label %_llgo_1
@@ -46,7 +46,7 @@ _llgo_2:                                          ; preds = %_llgo_1, %_llgo_0
   ret void
 }
 
-define void @"github.com/goplus/llgo/cl/_testrt/closureiface.main"() {
+define void @"github.com/goplus/llgo/cl/_testrt/closureiface.main"() #0 {
 _llgo_0:
   %0 = call ptr @"github.com/goplus/llgo/runtime/internal/runtime.AllocZ"(i64 8)
   store i64 200, ptr %0, align 4
@@ -93,7 +93,7 @@ _llgo_5:                                          ; preds = %_llgo_4, %_llgo_3
   br i1 %19, label %_llgo_2, label %_llgo_1
 }
 
-define i64 @"github.com/goplus/llgo/cl/_testrt/closureiface.main$1"(ptr %0, i64 %1) {
+define i64 @"github.com/goplus/llgo/cl/_testrt/closureiface.main$1"(ptr %0, i64 %1) #0 {
 _llgo_0:
   %2 = load { ptr }, ptr %0, align 8
   %3 = extractvalue { ptr } %2, 0
@@ -102,38 +102,40 @@ _llgo_0:
   ret i64 %5
 }
 
-declare ptr @"github.com/goplus/llgo/runtime/internal/runtime.AllocZ"(i64)
+declare ptr @"github.com/goplus/llgo/runtime/internal/runtime.AllocZ"(i64) #0
 
-declare ptr @"github.com/goplus/llgo/runtime/internal/runtime.AllocU"(i64)
+declare ptr @"github.com/goplus/llgo/runtime/internal/runtime.AllocU"(i64) #0
 
-declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.memequalptr"(ptr, ptr)
+declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.memequalptr"(ptr, ptr) #0
 
-define linkonce i1 @"__llgo_stub.github.com/goplus/llgo/runtime/internal/runtime.memequalptr"(ptr %0, ptr %1, ptr %2) {
+define linkonce i1 @"__llgo_stub.github.com/goplus/llgo/runtime/internal/runtime.memequalptr"(ptr %0, ptr %1, ptr %2) #0 {
 _llgo_0:
   %3 = tail call i1 @"github.com/goplus/llgo/runtime/internal/runtime.memequalptr"(ptr %1, ptr %2)
   ret i1 %3
 }
 
-declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.memequal64"(ptr, ptr)
+declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.memequal64"(ptr, ptr) #0
 
-define linkonce i1 @"__llgo_stub.github.com/goplus/llgo/runtime/internal/runtime.memequal64"(ptr %0, ptr %1, ptr %2) {
+define linkonce i1 @"__llgo_stub.github.com/goplus/llgo/runtime/internal/runtime.memequal64"(ptr %0, ptr %1, ptr %2) #0 {
 _llgo_0:
   %3 = tail call i1 @"github.com/goplus/llgo/runtime/internal/runtime.memequal64"(ptr %1, ptr %2)
   ret i1 %3
 }
 
-declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.MatchesClosure"(ptr, ptr)
+declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.MatchesClosure"(ptr, ptr) #0
 
-declare void @"github.com/goplus/llgo/runtime/internal/runtime.PrintInt"(i64)
+declare void @"github.com/goplus/llgo/runtime/internal/runtime.PrintInt"(i64) #0
 
-declare void @"github.com/goplus/llgo/runtime/internal/runtime.PrintByte"(i8)
+declare void @"github.com/goplus/llgo/runtime/internal/runtime.PrintByte"(i8) #0
 
-declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.strequal"(ptr, ptr)
+declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.strequal"(ptr, ptr) #0
 
-define linkonce i1 @"__llgo_stub.github.com/goplus/llgo/runtime/internal/runtime.strequal"(ptr %0, ptr %1, ptr %2) {
+define linkonce i1 @"__llgo_stub.github.com/goplus/llgo/runtime/internal/runtime.strequal"(ptr %0, ptr %1, ptr %2) #0 {
 _llgo_0:
   %3 = tail call i1 @"github.com/goplus/llgo/runtime/internal/runtime.strequal"(ptr %1, ptr %2)
   ret i1 %3
 }
 
-declare void @"github.com/goplus/llgo/runtime/internal/runtime.Panic"(%"github.com/goplus/llgo/runtime/internal/runtime.eface")
+declare void @"github.com/goplus/llgo/runtime/internal/runtime.Panic"(%"github.com/goplus/llgo/runtime/internal/runtime.eface") #0
+
+attributes #0 = { "frame-pointer"="non-leaf" }
diff --git a/cl/_testrt/complex/out.ll b/cl/_testrt/complex/out.ll
index ea3f77c06f..7887bd097f 100644
--- a/cl/_testrt/complex/out.ll
+++ b/cl/_testrt/complex/out.ll
@@ -3,7 +3,7 @@ source_filename = "github.com/goplus/llgo/cl/_testrt/complex"
 
 @"github.com/goplus/llgo/cl/_testrt/complex.init$guard" = global i1 false, align 1
 
-define void @"github.com/goplus/llgo/cl/_testrt/complex.init"() {
+define void @"github.com/goplus/llgo/cl/_testrt/complex.init"() #0 {
 _llgo_0:
   %0 = load i1, ptr @"github.com/goplus/llgo/cl/_testrt/complex.init$guard", align 1
   br i1 %0, label %_llgo_2, label %_llgo_1
@@ -16,7 +16,7 @@ _llgo_2:                                          ; preds = %_llgo_1, %_llgo_0
   ret void
 }
 
-define void @"github.com/goplus/llgo/cl/_testrt/complex.main"() {
+define void @"github.com/goplus/llgo/cl/_testrt/complex.main"() #0 {
 _llgo_0:
   call void @"github.com/goplus/llgo/runtime/internal/runtime.PrintFloat"(double 1.000000e+00)
   call void @"github.com/goplus/llgo/runtime/internal/runtime.PrintByte"(i8 32)
@@ -49,10 +49,12 @@ _llgo_0:
   ret void
 }
 
-declare void @"github.com/goplus/llgo/runtime/internal/runtime.PrintFloat"(double)
+declare void @"github.com/goplus/llgo/runtime/internal/runtime.PrintFloat"(double) #0
 
-declare void @"github.com/goplus/llgo/runtime/internal/runtime.PrintByte"(i8)
+declare void @"github.com/goplus/llgo/runtime/internal/runtime.PrintByte"(i8) #0
 
-declare void @"github.com/goplus/llgo/runtime/internal/runtime.PrintComplex"({ double, double })
+declare void @"github.com/goplus/llgo/runtime/internal/runtime.PrintComplex"({ double, double }) #0
 
-declare void @"github.com/goplus/llgo/runtime/internal/runtime.PrintBool"(i1)
+declare void @"github.com/goplus/llgo/runtime/internal/runtime.PrintBool"(i1) #0
+
+attributes #0 = { "frame-pointer"="non-leaf" }
diff --git a/cl/_testrt/concat/out.ll b/cl/_testrt/concat/out.ll
index d88ea00aa6..206c9f527e 100644
--- a/cl/_testrt/concat/out.ll
+++ b/cl/_testrt/concat/out.ll
@@ -10,7 +10,7 @@ source_filename = "github.com/goplus/llgo/cl/_testrt/concat"
 @2 = private unnamed_addr constant [1 x i8] c" ", align 1
 @3 = private unnamed_addr constant [5 x i8] c"World", align 1
 
-define %"github.com/goplus/llgo/runtime/internal/runtime.String" @"github.com/goplus/llgo/cl/_testrt/concat.concat"(%"github.com/goplus/llgo/runtime/internal/runtime.Slice" %0) {
+define %"github.com/goplus/llgo/runtime/internal/runtime.String" @"github.com/goplus/llgo/cl/_testrt/concat.concat"(%"github.com/goplus/llgo/runtime/internal/runtime.Slice" %0) #0 {
 _llgo_0:
   %1 = extractvalue %"github.com/goplus/llgo/runtime/internal/runtime.Slice" %0, 1
   br label %_llgo_1
@@ -38,14 +38,14 @@ _llgo_3:                                          ; preds = %_llgo_1
   ret %"github.com/goplus/llgo/runtime/internal/runtime.String" %2
 }
 
-define %"github.com/goplus/llgo/runtime/internal/runtime.String" @"github.com/goplus/llgo/cl/_testrt/concat.info"(%"github.com/goplus/llgo/runtime/internal/runtime.String" %0) {
+define %"github.com/goplus/llgo/runtime/internal/runtime.String" @"github.com/goplus/llgo/cl/_testrt/concat.info"(%"github.com/goplus/llgo/runtime/internal/runtime.String" %0) #0 {
 _llgo_0:
   %1 = call %"github.com/goplus/llgo/runtime/internal/runtime.String" @"github.com/goplus/llgo/runtime/internal/runtime.StringCat"(%"github.com/goplus/llgo/runtime/internal/runtime.String" zeroinitializer, %"github.com/goplus/llgo/runtime/internal/runtime.String" %0)
   %2 = call %"github.com/goplus/llgo/runtime/internal/runtime.String" @"github.com/goplus/llgo/runtime/internal/runtime.StringCat"(%"github.com/goplus/llgo/runtime/internal/runtime.String" %1, %"github.com/goplus/llgo/runtime/internal/runtime.String" { ptr @0, i64 3 })
   ret %"github.com/goplus/llgo/runtime/internal/runtime.String" %2
 }
 
-define void @"github.com/goplus/llgo/cl/_testrt/concat.init"() {
+define void @"github.com/goplus/llgo/cl/_testrt/concat.init"() #0 {
 _llgo_0:
   %0 = load i1, ptr @"github.com/goplus/llgo/cl/_testrt/concat.init$guard", align 1
   br i1 %0, label %_llgo_2, label %_llgo_1
@@ -58,7 +58,7 @@ _llgo_2:                                          ; preds = %_llgo_1, %_llgo_0
   ret void
 }
 
-define void @"github.com/goplus/llgo/cl/_testrt/concat.main"() {
+define void @"github.com/goplus/llgo/cl/_testrt/concat.main"() #0 {
 _llgo_0:
   %0 = call ptr @"github.com/goplus/llgo/runtime/internal/runtime.AllocZ"(i64 48)
   %1 = getelementptr inbounds %"github.com/goplus/llgo/runtime/internal/runtime.String", ptr %0, i64 0
@@ -76,12 +76,14 @@ _llgo_0:
   ret void
 }
 
-declare void @"github.com/goplus/llgo/runtime/internal/runtime.AssertIndexRange"(i1)
+declare void @"github.com/goplus/llgo/runtime/internal/runtime.AssertIndexRange"(i1) #0
 
-declare %"github.com/goplus/llgo/runtime/internal/runtime.String" @"github.com/goplus/llgo/runtime/internal/runtime.StringCat"(%"github.com/goplus/llgo/runtime/internal/runtime.String", %"github.com/goplus/llgo/runtime/internal/runtime.String")
+declare %"github.com/goplus/llgo/runtime/internal/runtime.String" @"github.com/goplus/llgo/runtime/internal/runtime.StringCat"(%"github.com/goplus/llgo/runtime/internal/runtime.String", %"github.com/goplus/llgo/runtime/internal/runtime.String") #0
 
-declare ptr @"github.com/goplus/llgo/runtime/internal/runtime.AllocZ"(i64)
+declare ptr @"github.com/goplus/llgo/runtime/internal/runtime.AllocZ"(i64) #0
 
-declare void @"github.com/goplus/llgo/runtime/internal/runtime.PrintString"(%"github.com/goplus/llgo/runtime/internal/runtime.String")
+declare void @"github.com/goplus/llgo/runtime/internal/runtime.PrintString"(%"github.com/goplus/llgo/runtime/internal/runtime.String") #0
 
-declare void @"github.com/goplus/llgo/runtime/internal/runtime.PrintByte"(i8)
+declare void @"github.com/goplus/llgo/runtime/internal/runtime.PrintByte"(i8) #0
+
+attributes #0 = { "frame-pointer"="non-leaf" }
diff --git a/cl/_testrt/constuptr/out.ll b/cl/_testrt/constuptr/out.ll
index 6d5ce9bb05..efab1242b9 100644
--- a/cl/_testrt/constuptr/out.ll
+++ b/cl/_testrt/constuptr/out.ll
@@ -3,7 +3,7 @@ source_filename = "github.com/goplus/llgo/cl/_testrt/constuptr"
 
 @"github.com/goplus/llgo/cl/_testrt/constuptr.init$guard" = global i1 false, align 1
 
-define void @"github.com/goplus/llgo/cl/_testrt/constuptr.init"() {
+define void @"github.com/goplus/llgo/cl/_testrt/constuptr.init"() #0 {
 _llgo_0:
   %0 = load i1, ptr @"github.com/goplus/llgo/cl/_testrt/constuptr.init$guard", align 1
   br i1 %0, label %_llgo_2, label %_llgo_1
@@ -16,13 +16,15 @@ _llgo_2:                                          ; preds = %_llgo_1, %_llgo_0
   ret void
 }
 
-define void @"github.com/goplus/llgo/cl/_testrt/constuptr.main"() {
+define void @"github.com/goplus/llgo/cl/_testrt/constuptr.main"() #0 {
 _llgo_0:
   call void @"github.com/goplus/llgo/runtime/internal/runtime.PrintPointer"(ptr inttoptr (i64 100 to ptr))
   call void @"github.com/goplus/llgo/runtime/internal/runtime.PrintByte"(i8 10)
   ret void
 }
 
-declare void @"github.com/goplus/llgo/runtime/internal/runtime.PrintPointer"(ptr)
+declare void @"github.com/goplus/llgo/runtime/internal/runtime.PrintPointer"(ptr) #0
 
-declare void @"github.com/goplus/llgo/runtime/internal/runtime.PrintByte"(i8)
+declare void @"github.com/goplus/llgo/runtime/internal/runtime.PrintByte"(i8) #0
+
+attributes #0 = { "frame-pointer"="non-leaf" }
diff --git a/cl/_testrt/cstr/out.ll b/cl/_testrt/cstr/out.ll
index c99e5e046d..67f15848b2 100644
--- a/cl/_testrt/cstr/out.ll
+++ b/cl/_testrt/cstr/out.ll
@@ -4,7 +4,7 @@ source_filename = "github.com/goplus/llgo/cl/_testrt/cstr"
 @"github.com/goplus/llgo/cl/_testrt/cstr.init$guard" = global i1 false, align 1
 @0 = private unnamed_addr constant [14 x i8] c"Hello, world\0A\00", align 1
 
-define void @"github.com/goplus/llgo/cl/_testrt/cstr.init"() {
+define void @"github.com/goplus/llgo/cl/_testrt/cstr.init"() #0 {
 _llgo_0:
   %0 = load i1, ptr @"github.com/goplus/llgo/cl/_testrt/cstr.init$guard", align 1
   br i1 %0, label %_llgo_2, label %_llgo_1
@@ -17,10 +17,12 @@ _llgo_2:                                          ; preds = %_llgo_1, %_llgo_0
   ret void
 }
 
-define void @"github.com/goplus/llgo/cl/_testrt/cstr.main"() {
+define void @"github.com/goplus/llgo/cl/_testrt/cstr.main"() #0 {
 _llgo_0:
   call void (ptr, ...) @printf(ptr @0)
   ret void
 }
 
-declare void @printf(ptr, ...)
+declare void @printf(ptr, ...) #0
+
+attributes #0 = { "frame-pointer"="non-leaf" }
diff --git a/cl/_testrt/cvar/out.ll b/cl/_testrt/cvar/out.ll
index 9e6d20de6c..1535776983 100644
--- a/cl/_testrt/cvar/out.ll
+++ b/cl/_testrt/cvar/out.ll
@@ -5,7 +5,7 @@ source_filename = "github.com/goplus/llgo/cl/_testrt/cvar"
 @_bar_y = external global { [16 x i8] }, align 1
 @"github.com/goplus/llgo/cl/_testrt/cvar.init$guard" = global i1 false, align 1
 
-define void @"github.com/goplus/llgo/cl/_testrt/cvar.init"() {
+define void @"github.com/goplus/llgo/cl/_testrt/cvar.init"() #0 {
 _llgo_0:
   %0 = load i1, ptr @"github.com/goplus/llgo/cl/_testrt/cvar.init$guard", align 1
   br i1 %0, label %_llgo_2, label %_llgo_1
@@ -18,9 +18,11 @@ _llgo_2:                                          ; preds = %_llgo_1, %_llgo_0
   ret void
 }
 
-define void @"github.com/goplus/llgo/cl/_testrt/cvar.main"() {
+define void @"github.com/goplus/llgo/cl/_testrt/cvar.main"() #0 {
 _llgo_0:
   %0 = load { [16 x i8], [2 x ptr] }, ptr @_bar_x, align 8
   %1 = load { [16 x i8] }, ptr @_bar_y, align 1
   ret void
 }
+
+attributes #0 = { "frame-pointer"="non-leaf" }
diff --git a/cl/_testrt/eface/out.ll b/cl/_testrt/eface/out.ll
index c22f938e4a..ae3aa7b3da 100644
--- a/cl/_testrt/eface/out.ll
+++ b/cl/_testrt/eface/out.ll
@@ -96,14 +96,14 @@ source_filename = "github.com/goplus/llgo/cl/_testrt/eface"
 @"*_llgo_github.com/goplus/llgo/cl/_testrt/eface.T" = weak_odr constant { %"github.com/goplus/llgo/runtime/abi.PtrType", %"github.com/goplus/llgo/runtime/abi.UncommonType", [1 x %"github.com/goplus/llgo/runtime/abi.Method"] } { %"github.com/goplus/llgo/runtime/abi.PtrType" { %"github.com/goplus/llgo/runtime/abi.Type" { i64 8, i64 8, i32 -1884578979, i8 11, i8 8, i8 8, i8 54, { ptr, ptr } { ptr @"__llgo_stub.github.com/goplus/llgo/runtime/internal/runtime.memequalptr", ptr null }, ptr null, %"github.com/goplus/llgo/runtime/internal/runtime.String" { ptr @31, i64 6 }, ptr null }, ptr @"_llgo_github.com/goplus/llgo/cl/_testrt/eface.T" }, %"github.com/goplus/llgo/runtime/abi.UncommonType" { %"github.com/goplus/llgo/runtime/internal/runtime.String" { ptr @27, i64 39 }, i16 1, i16 1, i32 24 }, [1 x %"github.com/goplus/llgo/runtime/abi.Method"] [%"github.com/goplus/llgo/runtime/abi.Method" { %"github.com/goplus/llgo/runtime/internal/runtime.String" { ptr @32, i64 6 }, ptr @"_llgo_func$2_iS07vIlF2_rZqWB5eU0IvP_9HviM4MYZNkXZDvbac", ptr @"github.com/goplus/llgo/cl/_testrt/eface.(*T).Invoke", ptr @"github.com/goplus/llgo/cl/_testrt/eface.(*T).Invoke" }] }, align 8
 @32 = private unnamed_addr constant [6 x i8] c"Invoke", align 1
 
-define void @"github.com/goplus/llgo/cl/_testrt/eface.(*T).Invoke"(ptr %0) {
+define void @"github.com/goplus/llgo/cl/_testrt/eface.(*T).Invoke"(ptr %0) #0 {
 _llgo_0:
   call void @"github.com/goplus/llgo/runtime/internal/runtime.PrintString"(%"github.com/goplus/llgo/runtime/internal/runtime.String" { ptr @0, i64 6 })
   call void @"github.com/goplus/llgo/runtime/internal/runtime.PrintByte"(i8 10)
   ret void
 }
 
-define void @"github.com/goplus/llgo/cl/_testrt/eface.dump"(%"github.com/goplus/llgo/runtime/internal/runtime.eface" %0) {
+define void @"github.com/goplus/llgo/cl/_testrt/eface.dump"(%"github.com/goplus/llgo/runtime/internal/runtime.eface" %0) #0 {
 _llgo_0:
   %1 = call ptr @"github.com/goplus/llgo/runtime/internal/runtime.AllocZ"(i64 16)
   store %"github.com/goplus/llgo/runtime/internal/runtime.eface" %0, ptr %1, align 8
@@ -113,7 +113,7 @@ _llgo_0:
   ret void
 }
 
-define void @"github.com/goplus/llgo/cl/_testrt/eface.dumpTyp"(ptr %0, %"github.com/goplus/llgo/runtime/internal/runtime.String" %1) {
+define void @"github.com/goplus/llgo/cl/_testrt/eface.dumpTyp"(ptr %0, %"github.com/goplus/llgo/runtime/internal/runtime.String" %1) #0 {
 _llgo_0:
   call void @"github.com/goplus/llgo/runtime/internal/runtime.PrintString"(%"github.com/goplus/llgo/runtime/internal/runtime.String" %1)
   %2 = call %"github.com/goplus/llgo/runtime/internal/runtime.String" @"github.com/goplus/llgo/runtime/abi.(*Type).String"(ptr %0)
@@ -188,7 +188,7 @@ _llgo_5:                                          ; preds = %_llgo_3
   br label %_llgo_4
 }
 
-define void @"github.com/goplus/llgo/cl/_testrt/eface.dumpUncommon"(ptr %0, %"github.com/goplus/llgo/runtime/internal/runtime.String" %1) {
+define void @"github.com/goplus/llgo/cl/_testrt/eface.dumpUncommon"(ptr %0, %"github.com/goplus/llgo/runtime/internal/runtime.String" %1) #0 {
 _llgo_0:
   call void @"github.com/goplus/llgo/runtime/internal/runtime.PrintString"(%"github.com/goplus/llgo/runtime/internal/runtime.String" %1)
   %2 = getelementptr inbounds %"github.com/goplus/llgo/runtime/abi.UncommonType", ptr %0, i32 0, i32 0
@@ -208,7 +208,7 @@ _llgo_0:
   ret void
 }
 
-define void @"github.com/goplus/llgo/cl/_testrt/eface.init"() {
+define void @"github.com/goplus/llgo/cl/_testrt/eface.init"() #0 {
 _llgo_0:
   %0 = load i1, ptr @"github.com/goplus/llgo/cl/_testrt/eface.init$guard", align 1
   br i1 %0, label %_llgo_2, label %_llgo_1
@@ -222,7 +222,7 @@ _llgo_2:                                          ; preds = %_llgo_1, %_llgo_0
   ret void
 }
 
-define void @"github.com/goplus/llgo/cl/_testrt/eface.main"() {
+define void @"github.com/goplus/llgo/cl/_testrt/eface.main"() #0 {
 _llgo_0:
   call void @"github.com/goplus/llgo/cl/_testrt/eface.dump"(%"github.com/goplus/llgo/runtime/internal/runtime.eface" { ptr @_llgo_bool, ptr inttoptr (i64 -1 to ptr) })
   call void @"github.com/goplus/llgo/cl/_testrt/eface.dump"(%"github.com/goplus/llgo/runtime/internal/runtime.eface" { ptr @_llgo_int, ptr null })
@@ -270,105 +270,107 @@ _llgo_0:
   ret void
 }
 
-define void @"github.com/goplus/llgo/cl/_testrt/eface.main$1"() {
+define void @"github.com/goplus/llgo/cl/_testrt/eface.main$1"() #0 {
 _llgo_0:
   ret void
 }
 
-declare void @"github.com/goplus/llgo/runtime/internal/runtime.PrintString"(%"github.com/goplus/llgo/runtime/internal/runtime.String")
+declare void @"github.com/goplus/llgo/runtime/internal/runtime.PrintString"(%"github.com/goplus/llgo/runtime/internal/runtime.String") #0
 
-declare void @"github.com/goplus/llgo/runtime/internal/runtime.PrintByte"(i8)
+declare void @"github.com/goplus/llgo/runtime/internal/runtime.PrintByte"(i8) #0
 
-declare ptr @"github.com/goplus/llgo/runtime/internal/runtime.AllocZ"(i64)
+declare ptr @"github.com/goplus/llgo/runtime/internal/runtime.AllocZ"(i64) #0
 
-declare %"github.com/goplus/llgo/runtime/internal/runtime.String" @"github.com/goplus/llgo/runtime/abi.(*Type).String"(ptr)
+declare %"github.com/goplus/llgo/runtime/internal/runtime.String" @"github.com/goplus/llgo/runtime/abi.(*Type).String"(ptr) #0
 
-declare i64 @"github.com/goplus/llgo/runtime/abi.(*Type).Kind"(ptr)
+declare i64 @"github.com/goplus/llgo/runtime/abi.(*Type).Kind"(ptr) #0
 
-declare ptr @"github.com/goplus/llgo/runtime/abi.(*Type).Uncommon"(ptr)
+declare ptr @"github.com/goplus/llgo/runtime/abi.(*Type).Uncommon"(ptr) #0
 
-declare void @"github.com/goplus/llgo/runtime/internal/runtime.PrintUint"(i64)
+declare void @"github.com/goplus/llgo/runtime/internal/runtime.PrintUint"(i64) #0
 
-declare void @"github.com/goplus/llgo/runtime/internal/runtime.PrintPointer"(ptr)
+declare void @"github.com/goplus/llgo/runtime/internal/runtime.PrintPointer"(ptr) #0
 
-declare ptr @"github.com/goplus/llgo/runtime/abi.(*Type).Elem"(ptr)
+declare ptr @"github.com/goplus/llgo/runtime/abi.(*Type).Elem"(ptr) #0
 
-declare %"github.com/goplus/llgo/runtime/internal/runtime.String" @"github.com/goplus/llgo/runtime/internal/runtime.StringCat"(%"github.com/goplus/llgo/runtime/internal/runtime.String", %"github.com/goplus/llgo/runtime/internal/runtime.String")
+declare %"github.com/goplus/llgo/runtime/internal/runtime.String" @"github.com/goplus/llgo/runtime/internal/runtime.StringCat"(%"github.com/goplus/llgo/runtime/internal/runtime.String", %"github.com/goplus/llgo/runtime/internal/runtime.String") #0
 
-declare void @"github.com/goplus/llgo/runtime/abi.init"()
+declare void @"github.com/goplus/llgo/runtime/abi.init"() #0
 
-declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.memequal8"(ptr, ptr)
+declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.memequal8"(ptr, ptr) #0
 
-define linkonce i1 @"__llgo_stub.github.com/goplus/llgo/runtime/internal/runtime.memequal8"(ptr %0, ptr %1, ptr %2) {
+define linkonce i1 @"__llgo_stub.github.com/goplus/llgo/runtime/internal/runtime.memequal8"(ptr %0, ptr %1, ptr %2) #0 {
 _llgo_0:
   %3 = tail call i1 @"github.com/goplus/llgo/runtime/internal/runtime.memequal8"(ptr %1, ptr %2)
   ret i1 %3
 }
 
-declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.memequalptr"(ptr, ptr)
+declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.memequalptr"(ptr, ptr) #0
 
-define linkonce i1 @"__llgo_stub.github.com/goplus/llgo/runtime/internal/runtime.memequalptr"(ptr %0, ptr %1, ptr %2) {
+define linkonce i1 @"__llgo_stub.github.com/goplus/llgo/runtime/internal/runtime.memequalptr"(ptr %0, ptr %1, ptr %2) #0 {
 _llgo_0:
   %3 = tail call i1 @"github.com/goplus/llgo/runtime/internal/runtime.memequalptr"(ptr %1, ptr %2)
   ret i1 %3
 }
 
-declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.memequal64"(ptr, ptr)
+declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.memequal64"(ptr, ptr) #0
 
-define linkonce i1 @"__llgo_stub.github.com/goplus/llgo/runtime/internal/runtime.memequal64"(ptr %0, ptr %1, ptr %2) {
+define linkonce i1 @"__llgo_stub.github.com/goplus/llgo/runtime/internal/runtime.memequal64"(ptr %0, ptr %1, ptr %2) #0 {
 _llgo_0:
   %3 = tail call i1 @"github.com/goplus/llgo/runtime/internal/runtime.memequal64"(ptr %1, ptr %2)
   ret i1 %3
 }
 
-declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.memequal16"(ptr, ptr)
+declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.memequal16"(ptr, ptr) #0
 
-define linkonce i1 @"__llgo_stub.github.com/goplus/llgo/runtime/internal/runtime.memequal16"(ptr %0, ptr %1, ptr %2) {
+define linkonce i1 @"__llgo_stub.github.com/goplus/llgo/runtime/internal/runtime.memequal16"(ptr %0, ptr %1, ptr %2) #0 {
 _llgo_0:
   %3 = tail call i1 @"github.com/goplus/llgo/runtime/internal/runtime.memequal16"(ptr %1, ptr %2)
   ret i1 %3
 }
 
-declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.memequal32"(ptr, ptr)
+declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.memequal32"(ptr, ptr) #0
 
-define linkonce i1 @"__llgo_stub.github.com/goplus/llgo/runtime/internal/runtime.memequal32"(ptr %0, ptr %1, ptr %2) {
+define linkonce i1 @"__llgo_stub.github.com/goplus/llgo/runtime/internal/runtime.memequal32"(ptr %0, ptr %1, ptr %2) #0 {
 _llgo_0:
   %3 = tail call i1 @"github.com/goplus/llgo/runtime/internal/runtime.memequal32"(ptr %1, ptr %2)
   ret i1 %3
 }
 
-declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.f32equal"(ptr, ptr)
+declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.f32equal"(ptr, ptr) #0
 
-define linkonce i1 @"__llgo_stub.github.com/goplus/llgo/runtime/internal/runtime.f32equal"(ptr %0, ptr %1, ptr %2) {
+define linkonce i1 @"__llgo_stub.github.com/goplus/llgo/runtime/internal/runtime.f32equal"(ptr %0, ptr %1, ptr %2) #0 {
 _llgo_0:
   %3 = tail call i1 @"github.com/goplus/llgo/runtime/internal/runtime.f32equal"(ptr %1, ptr %2)
   ret i1 %3
 }
 
-declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.f64equal"(ptr, ptr)
+declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.f64equal"(ptr, ptr) #0
 
-define linkonce i1 @"__llgo_stub.github.com/goplus/llgo/runtime/internal/runtime.f64equal"(ptr %0, ptr %1, ptr %2) {
+define linkonce i1 @"__llgo_stub.github.com/goplus/llgo/runtime/internal/runtime.f64equal"(ptr %0, ptr %1, ptr %2) #0 {
 _llgo_0:
   %3 = tail call i1 @"github.com/goplus/llgo/runtime/internal/runtime.f64equal"(ptr %1, ptr %2)
   ret i1 %3
 }
 
-declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.arrayequal"(ptr, ptr, ptr)
+declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.arrayequal"(ptr, ptr, ptr) #0
 
-declare ptr @"github.com/goplus/llgo/runtime/internal/runtime.AllocU"(i64)
+declare ptr @"github.com/goplus/llgo/runtime/internal/runtime.AllocU"(i64) #0
 
-define linkonce void @"__llgo_stub.github.com/goplus/llgo/cl/_testrt/eface.main$1"(ptr %0) {
+define linkonce void @"__llgo_stub.github.com/goplus/llgo/cl/_testrt/eface.main$1"(ptr %0) #0 {
 _llgo_0:
   tail call void @"github.com/goplus/llgo/cl/_testrt/eface.main$1"()
   ret void
 }
 
-declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.strequal"(ptr, ptr)
+declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.strequal"(ptr, ptr) #0
 
-define linkonce i1 @"__llgo_stub.github.com/goplus/llgo/runtime/internal/runtime.strequal"(ptr %0, ptr %1, ptr %2) {
+define linkonce i1 @"__llgo_stub.github.com/goplus/llgo/runtime/internal/runtime.strequal"(ptr %0, ptr %1, ptr %2) #0 {
 _llgo_0:
   %3 = tail call i1 @"github.com/goplus/llgo/runtime/internal/runtime.strequal"(ptr %1, ptr %2)
   ret i1 %3
 }
 
-declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.structequal"(ptr, ptr, ptr)
+declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.structequal"(ptr, ptr, ptr) #0
+
+attributes #0 = { "frame-pointer"="non-leaf" }
diff --git a/cl/_testrt/float2any/out.ll b/cl/_testrt/float2any/out.ll
index bdb89f4039..d32398d4de 100644
--- a/cl/_testrt/float2any/out.ll
+++ b/cl/_testrt/float2any/out.ll
@@ -21,7 +21,7 @@ source_filename = "github.com/goplus/llgo/cl/_testrt/float2any"
 @5 = private unnamed_addr constant [36 x i8] c"type assertion any -> float64 failed", align 1
 @6 = private unnamed_addr constant [9 x i8] c"error f64", align 1
 
-define void @"github.com/goplus/llgo/cl/_testrt/float2any.check32"(%"github.com/goplus/llgo/runtime/internal/runtime.eface" %0) {
+define void @"github.com/goplus/llgo/cl/_testrt/float2any.check32"(%"github.com/goplus/llgo/runtime/internal/runtime.eface" %0) #0 {
 _llgo_0:
   %1 = extractvalue %"github.com/goplus/llgo/runtime/internal/runtime.eface" %0, 0
   %2 = icmp eq ptr %1, @_llgo_float32
@@ -53,7 +53,7 @@ _llgo_4:                                          ; preds = %_llgo_0
   unreachable
 }
 
-define void @"github.com/goplus/llgo/cl/_testrt/float2any.check64"(%"github.com/goplus/llgo/runtime/internal/runtime.eface" %0) {
+define void @"github.com/goplus/llgo/cl/_testrt/float2any.check64"(%"github.com/goplus/llgo/runtime/internal/runtime.eface" %0) #0 {
 _llgo_0:
   %1 = extractvalue %"github.com/goplus/llgo/runtime/internal/runtime.eface" %0, 0
   %2 = icmp eq ptr %1, @_llgo_float64
@@ -84,17 +84,17 @@ _llgo_4:                                          ; preds = %_llgo_0
   unreachable
 }
 
-define float @"github.com/goplus/llgo/cl/_testrt/float2any.f32"() {
+define float @"github.com/goplus/llgo/cl/_testrt/float2any.f32"() #0 {
 _llgo_0:
   ret float 0x400921FB60000000
 }
 
-define double @"github.com/goplus/llgo/cl/_testrt/float2any.f64"() {
+define double @"github.com/goplus/llgo/cl/_testrt/float2any.f64"() #0 {
 _llgo_0:
   ret double 0x400921FB53C8D4F1
 }
 
-define void @"github.com/goplus/llgo/cl/_testrt/float2any.init"() {
+define void @"github.com/goplus/llgo/cl/_testrt/float2any.init"() #0 {
 _llgo_0:
   %0 = load i1, ptr @"github.com/goplus/llgo/cl/_testrt/float2any.init$guard", align 1
   br i1 %0, label %_llgo_2, label %_llgo_1
@@ -107,7 +107,7 @@ _llgo_2:                                          ; preds = %_llgo_1, %_llgo_0
   ret void
 }
 
-define void @"github.com/goplus/llgo/cl/_testrt/float2any.main"() {
+define void @"github.com/goplus/llgo/cl/_testrt/float2any.main"() #0 {
 _llgo_0:
   %0 = call float @"github.com/goplus/llgo/cl/_testrt/float2any.f32"()
   %1 = bitcast float %0 to i32
@@ -122,38 +122,40 @@ _llgo_0:
   ret void
 }
 
-declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.f32equal"(ptr, ptr)
+declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.f32equal"(ptr, ptr) #0
 
-define linkonce i1 @"__llgo_stub.github.com/goplus/llgo/runtime/internal/runtime.f32equal"(ptr %0, ptr %1, ptr %2) {
+define linkonce i1 @"__llgo_stub.github.com/goplus/llgo/runtime/internal/runtime.f32equal"(ptr %0, ptr %1, ptr %2) #0 {
 _llgo_0:
   %3 = tail call i1 @"github.com/goplus/llgo/runtime/internal/runtime.f32equal"(ptr %1, ptr %2)
   ret i1 %3
 }
 
-declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.memequalptr"(ptr, ptr)
+declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.memequalptr"(ptr, ptr) #0
 
-define linkonce i1 @"__llgo_stub.github.com/goplus/llgo/runtime/internal/runtime.memequalptr"(ptr %0, ptr %1, ptr %2) {
+define linkonce i1 @"__llgo_stub.github.com/goplus/llgo/runtime/internal/runtime.memequalptr"(ptr %0, ptr %1, ptr %2) #0 {
 _llgo_0:
   %3 = tail call i1 @"github.com/goplus/llgo/runtime/internal/runtime.memequalptr"(ptr %1, ptr %2)
   ret i1 %3
 }
 
-declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.strequal"(ptr, ptr)
+declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.strequal"(ptr, ptr) #0
 
-define linkonce i1 @"__llgo_stub.github.com/goplus/llgo/runtime/internal/runtime.strequal"(ptr %0, ptr %1, ptr %2) {
+define linkonce i1 @"__llgo_stub.github.com/goplus/llgo/runtime/internal/runtime.strequal"(ptr %0, ptr %1, ptr %2) #0 {
 _llgo_0:
   %3 = tail call i1 @"github.com/goplus/llgo/runtime/internal/runtime.strequal"(ptr %1, ptr %2)
   ret i1 %3
 }
 
-declare ptr @"github.com/goplus/llgo/runtime/internal/runtime.AllocU"(i64)
+declare ptr @"github.com/goplus/llgo/runtime/internal/runtime.AllocU"(i64) #0
 
-declare void @"github.com/goplus/llgo/runtime/internal/runtime.Panic"(%"github.com/goplus/llgo/runtime/internal/runtime.eface")
+declare void @"github.com/goplus/llgo/runtime/internal/runtime.Panic"(%"github.com/goplus/llgo/runtime/internal/runtime.eface") #0
 
-declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.f64equal"(ptr, ptr)
+declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.f64equal"(ptr, ptr) #0
 
-define linkonce i1 @"__llgo_stub.github.com/goplus/llgo/runtime/internal/runtime.f64equal"(ptr %0, ptr %1, ptr %2) {
+define linkonce i1 @"__llgo_stub.github.com/goplus/llgo/runtime/internal/runtime.f64equal"(ptr %0, ptr %1, ptr %2) #0 {
 _llgo_0:
   %3 = tail call i1 @"github.com/goplus/llgo/runtime/internal/runtime.f64equal"(ptr %1, ptr %2)
   ret i1 %3
 }
+
+attributes #0 = { "frame-pointer"="non-leaf" }
diff --git a/cl/_testrt/fprintf/out.ll b/cl/_testrt/fprintf/out.ll
index c64cd43478..cee20faba6 100644
--- a/cl/_testrt/fprintf/out.ll
+++ b/cl/_testrt/fprintf/out.ll
@@ -5,7 +5,7 @@ source_filename = "github.com/goplus/llgo/cl/_testrt/fprintf"
 @__stderrp = external global ptr, align 8
 @0 = private unnamed_addr constant [10 x i8] c"Hello %d\0A\00", align 1
 
-define void @"github.com/goplus/llgo/cl/_testrt/fprintf.init"() {
+define void @"github.com/goplus/llgo/cl/_testrt/fprintf.init"() #0 {
 _llgo_0:
   %0 = load i1, ptr @"github.com/goplus/llgo/cl/_testrt/fprintf.init$guard", align 1
   br i1 %0, label %_llgo_2, label %_llgo_1
@@ -18,11 +18,13 @@ _llgo_2:                                          ; preds = %_llgo_1, %_llgo_0
   ret void
 }
 
-define void @"github.com/goplus/llgo/cl/_testrt/fprintf.main"() {
+define void @"github.com/goplus/llgo/cl/_testrt/fprintf.main"() #0 {
 _llgo_0:
   %0 = load ptr, ptr @__stderrp, align 8
   call void (ptr, ptr, ...) @fprintf(ptr %0, ptr @0, i64 100)
   ret void
 }
 
-declare void @fprintf(ptr, ptr, ...)
+declare void @fprintf(ptr, ptr, ...) #0
+
+attributes #0 = { "frame-pointer"="non-leaf" }
diff --git a/cl/_testrt/freevars/out.ll b/cl/_testrt/freevars/out.ll
index bc5f352282..8eee5bfe04 100644
--- a/cl/_testrt/freevars/out.ll
+++ b/cl/_testrt/freevars/out.ll
@@ -6,7 +6,7 @@ source_filename = "github.com/goplus/llgo/cl/_testrt/freevars"
 
 @"github.com/goplus/llgo/cl/_testrt/freevars.init$guard" = global i1 false, align 1
 
-define void @"github.com/goplus/llgo/cl/_testrt/freevars.init"() {
+define void @"github.com/goplus/llgo/cl/_testrt/freevars.init"() #0 {
 _llgo_0:
   %0 = load i1, ptr @"github.com/goplus/llgo/cl/_testrt/freevars.init$guard", align 1
   br i1 %0, label %_llgo_2, label %_llgo_1
@@ -19,13 +19,13 @@ _llgo_2:                                          ; preds = %_llgo_1, %_llgo_0
   ret void
 }
 
-define void @"github.com/goplus/llgo/cl/_testrt/freevars.main"() {
+define void @"github.com/goplus/llgo/cl/_testrt/freevars.main"() #0 {
 _llgo_0:
   call void @"github.com/goplus/llgo/cl/_testrt/freevars.main$1"({ ptr, ptr } { ptr @"__llgo_stub.github.com/goplus/llgo/cl/_testrt/freevars.main$2", ptr null })
   ret void
 }
 
-define void @"github.com/goplus/llgo/cl/_testrt/freevars.main$1"({ ptr, ptr } %0) {
+define void @"github.com/goplus/llgo/cl/_testrt/freevars.main$1"({ ptr, ptr } %0) #0 {
 _llgo_0:
   %1 = call ptr @"github.com/goplus/llgo/runtime/internal/runtime.AllocZ"(i64 16)
   store { ptr, ptr } %0, ptr %1, align 8
@@ -39,7 +39,7 @@ _llgo_0:
   ret void
 }
 
-define void @"github.com/goplus/llgo/cl/_testrt/freevars.main$1$1"(ptr %0, %"github.com/goplus/llgo/runtime/internal/runtime.iface" %1) {
+define void @"github.com/goplus/llgo/cl/_testrt/freevars.main$1$1"(ptr %0, %"github.com/goplus/llgo/runtime/internal/runtime.iface" %1) #0 {
 _llgo_0:
   %2 = load { ptr }, ptr %0, align 8
   %3 = call ptr @"github.com/goplus/llgo/runtime/internal/runtime.IfaceType"(%"github.com/goplus/llgo/runtime/internal/runtime.iface" %1)
@@ -70,21 +70,23 @@ _llgo_2:                                          ; preds = %_llgo_0
   ret void
 }
 
-define void @"github.com/goplus/llgo/cl/_testrt/freevars.main$2"(%"github.com/goplus/llgo/runtime/internal/runtime.iface" %0) {
+define void @"github.com/goplus/llgo/cl/_testrt/freevars.main$2"(%"github.com/goplus/llgo/runtime/internal/runtime.iface" %0) #0 {
 _llgo_0:
   ret void
 }
 
-define linkonce void @"__llgo_stub.github.com/goplus/llgo/cl/_testrt/freevars.main$2"(ptr %0, %"github.com/goplus/llgo/runtime/internal/runtime.iface" %1) {
+define linkonce void @"__llgo_stub.github.com/goplus/llgo/cl/_testrt/freevars.main$2"(ptr %0, %"github.com/goplus/llgo/runtime/internal/runtime.iface" %1) #0 {
 _llgo_0:
   tail call void @"github.com/goplus/llgo/cl/_testrt/freevars.main$2"(%"github.com/goplus/llgo/runtime/internal/runtime.iface" %1)
   ret void
 }
 
-declare ptr @"github.com/goplus/llgo/runtime/internal/runtime.AllocZ"(i64)
+declare ptr @"github.com/goplus/llgo/runtime/internal/runtime.AllocZ"(i64) #0
 
-declare ptr @"github.com/goplus/llgo/runtime/internal/runtime.AllocU"(i64)
+declare ptr @"github.com/goplus/llgo/runtime/internal/runtime.AllocU"(i64) #0
 
-declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.EfaceEqual"(%"github.com/goplus/llgo/runtime/internal/runtime.eface", %"github.com/goplus/llgo/runtime/internal/runtime.eface")
+declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.EfaceEqual"(%"github.com/goplus/llgo/runtime/internal/runtime.eface", %"github.com/goplus/llgo/runtime/internal/runtime.eface") #0
 
-declare ptr @"github.com/goplus/llgo/runtime/internal/runtime.IfaceType"(%"github.com/goplus/llgo/runtime/internal/runtime.iface")
+declare ptr @"github.com/goplus/llgo/runtime/internal/runtime.IfaceType"(%"github.com/goplus/llgo/runtime/internal/runtime.iface") #0
+
+attributes #0 = { "frame-pointer"="non-leaf" }
diff --git a/cl/_testrt/funcaddr/out.ll b/cl/_testrt/funcaddr/out.ll
index 5ef9585c4a..3639ef244e 100644
--- a/cl/_testrt/funcaddr/out.ll
+++ b/cl/_testrt/funcaddr/out.ll
@@ -3,13 +3,13 @@ source_filename = "github.com/goplus/llgo/cl/_testrt/funcaddr"
 
 @"github.com/goplus/llgo/cl/_testrt/funcaddr.init$guard" = global i1 false, align 1
 
-define i64 @"github.com/goplus/llgo/cl/_testrt/funcaddr.add"(i64 %0, i64 %1) {
+define i64 @"github.com/goplus/llgo/cl/_testrt/funcaddr.add"(i64 %0, i64 %1) #0 {
 _llgo_0:
   %2 = add i64 %0, %1
   ret i64 %2
 }
 
-define void @"github.com/goplus/llgo/cl/_testrt/funcaddr.init"() {
+define void @"github.com/goplus/llgo/cl/_testrt/funcaddr.init"() #0 {
 _llgo_0:
   %0 = load i1, ptr @"github.com/goplus/llgo/cl/_testrt/funcaddr.init$guard", align 1
   br i1 %0, label %_llgo_2, label %_llgo_1
@@ -22,7 +22,7 @@ _llgo_2:                                          ; preds = %_llgo_1, %_llgo_0
   ret void
 }
 
-define void @"github.com/goplus/llgo/cl/_testrt/funcaddr.main"() {
+define void @"github.com/goplus/llgo/cl/_testrt/funcaddr.main"() #0 {
 _llgo_0:
   %0 = call ptr @"github.com/goplus/llgo/runtime/internal/runtime.AllocZ"(i64 8)
   store ptr @"github.com/goplus/llgo/cl/_testrt/funcaddr.add", ptr %0, align 8
@@ -45,14 +45,16 @@ _llgo_0:
   ret void
 }
 
-define i64 @"github.com/goplus/llgo/cl/_testrt/funcaddr.main$1"(i64 %0, i64 %1) {
+define i64 @"github.com/goplus/llgo/cl/_testrt/funcaddr.main$1"(i64 %0, i64 %1) #0 {
 _llgo_0:
   %2 = add i64 %0, %1
   ret i64 %2
 }
 
-declare ptr @"github.com/goplus/llgo/runtime/internal/runtime.AllocZ"(i64)
+declare ptr @"github.com/goplus/llgo/runtime/internal/runtime.AllocZ"(i64) #0
 
-declare void @"github.com/goplus/llgo/runtime/internal/runtime.PrintBool"(i1)
+declare void @"github.com/goplus/llgo/runtime/internal/runtime.PrintBool"(i1) #0
 
-declare void @"github.com/goplus/llgo/runtime/internal/runtime.PrintByte"(i8)
+declare void @"github.com/goplus/llgo/runtime/internal/runtime.PrintByte"(i8) #0
+
+attributes #0 = { "frame-pointer"="non-leaf" }
diff --git a/cl/_testrt/funcdecl/out.ll b/cl/_testrt/funcdecl/out.ll
index f14070e0e8..5ed1349754 100644
--- a/cl/_testrt/funcdecl/out.ll
+++ b/cl/_testrt/funcdecl/out.ll
@@ -31,7 +31,7 @@ source_filename = "github.com/goplus/llgo/cl/_testrt/funcdecl"
 @7 = private unnamed_addr constant [4 x i8] c"demo", align 1
 @8 = private unnamed_addr constant [5 x i8] c"hello", align 1
 
-define void @"github.com/goplus/llgo/cl/_testrt/funcdecl.check"({ ptr, ptr } %0) {
+define void @"github.com/goplus/llgo/cl/_testrt/funcdecl.check"({ ptr, ptr } %0) #0 {
 _llgo_0:
   %1 = call ptr @"github.com/goplus/llgo/runtime/internal/runtime.AllocU"(i64 16)
   store { ptr, ptr } { ptr @"__llgo_stub.github.com/goplus/llgo/cl/_testrt/funcdecl.demo", ptr null }, ptr %1, align 8
@@ -90,7 +90,7 @@ _llgo_4:                                          ; preds = %_llgo_1
   unreachable
 }
 
-define ptr @"github.com/goplus/llgo/cl/_testrt/funcdecl.closurePtr"(%"github.com/goplus/llgo/runtime/internal/runtime.eface" %0) {
+define ptr @"github.com/goplus/llgo/cl/_testrt/funcdecl.closurePtr"(%"github.com/goplus/llgo/runtime/internal/runtime.eface" %0) #0 {
 _llgo_0:
   %1 = call ptr @"github.com/goplus/llgo/runtime/internal/runtime.AllocZ"(i64 16)
   store %"github.com/goplus/llgo/runtime/internal/runtime.eface" %0, ptr %1, align 8
@@ -101,14 +101,14 @@ _llgo_0:
   ret ptr %5
 }
 
-define void @"github.com/goplus/llgo/cl/_testrt/funcdecl.demo"() {
+define void @"github.com/goplus/llgo/cl/_testrt/funcdecl.demo"() #0 {
 _llgo_0:
   call void @"github.com/goplus/llgo/runtime/internal/runtime.PrintString"(%"github.com/goplus/llgo/runtime/internal/runtime.String" { ptr @7, i64 4 })
   call void @"github.com/goplus/llgo/runtime/internal/runtime.PrintByte"(i8 10)
   ret void
 }
 
-define void @"github.com/goplus/llgo/cl/_testrt/funcdecl.init"() {
+define void @"github.com/goplus/llgo/cl/_testrt/funcdecl.init"() #0 {
 _llgo_0:
   %0 = load i1, ptr @"github.com/goplus/llgo/cl/_testrt/funcdecl.init$guard", align 1
   br i1 %0, label %_llgo_2, label %_llgo_1
@@ -121,7 +121,7 @@ _llgo_2:                                          ; preds = %_llgo_1, %_llgo_0
   ret void
 }
 
-define void @"github.com/goplus/llgo/cl/_testrt/funcdecl.main"() {
+define void @"github.com/goplus/llgo/cl/_testrt/funcdecl.main"() #0 {
 _llgo_0:
   call void @"github.com/goplus/llgo/runtime/internal/runtime.PrintString"(%"github.com/goplus/llgo/runtime/internal/runtime.String" { ptr @8, i64 5 })
   call void @"github.com/goplus/llgo/runtime/internal/runtime.PrintByte"(i8 10)
@@ -129,42 +129,44 @@ _llgo_0:
   ret void
 }
 
-define linkonce void @"__llgo_stub.github.com/goplus/llgo/cl/_testrt/funcdecl.demo"(ptr %0) {
+define linkonce void @"__llgo_stub.github.com/goplus/llgo/cl/_testrt/funcdecl.demo"(ptr %0) #0 {
 _llgo_0:
   tail call void @"github.com/goplus/llgo/cl/_testrt/funcdecl.demo"()
   ret void
 }
 
-declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.memequalptr"(ptr, ptr)
+declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.memequalptr"(ptr, ptr) #0
 
-define linkonce i1 @"__llgo_stub.github.com/goplus/llgo/runtime/internal/runtime.memequalptr"(ptr %0, ptr %1, ptr %2) {
+define linkonce i1 @"__llgo_stub.github.com/goplus/llgo/runtime/internal/runtime.memequalptr"(ptr %0, ptr %1, ptr %2) #0 {
 _llgo_0:
   %3 = tail call i1 @"github.com/goplus/llgo/runtime/internal/runtime.memequalptr"(ptr %1, ptr %2)
   ret i1 %3
 }
 
-declare ptr @"github.com/goplus/llgo/runtime/internal/runtime.AllocU"(i64)
+declare ptr @"github.com/goplus/llgo/runtime/internal/runtime.AllocU"(i64) #0
 
-declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.MatchesClosure"(ptr, ptr)
+declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.MatchesClosure"(ptr, ptr) #0
 
-declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.strequal"(ptr, ptr)
+declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.strequal"(ptr, ptr) #0
 
-define linkonce i1 @"__llgo_stub.github.com/goplus/llgo/runtime/internal/runtime.strequal"(ptr %0, ptr %1, ptr %2) {
+define linkonce i1 @"__llgo_stub.github.com/goplus/llgo/runtime/internal/runtime.strequal"(ptr %0, ptr %1, ptr %2) #0 {
 _llgo_0:
   %3 = tail call i1 @"github.com/goplus/llgo/runtime/internal/runtime.strequal"(ptr %1, ptr %2)
   ret i1 %3
 }
 
-declare void @"github.com/goplus/llgo/runtime/internal/runtime.Panic"(%"github.com/goplus/llgo/runtime/internal/runtime.eface")
+declare void @"github.com/goplus/llgo/runtime/internal/runtime.Panic"(%"github.com/goplus/llgo/runtime/internal/runtime.eface") #0
 
-declare void @"github.com/goplus/llgo/runtime/internal/runtime.PrintEface"(%"github.com/goplus/llgo/runtime/internal/runtime.eface")
+declare void @"github.com/goplus/llgo/runtime/internal/runtime.PrintEface"(%"github.com/goplus/llgo/runtime/internal/runtime.eface") #0
 
-declare void @"github.com/goplus/llgo/runtime/internal/runtime.PrintByte"(i8)
+declare void @"github.com/goplus/llgo/runtime/internal/runtime.PrintByte"(i8) #0
 
-declare void @"github.com/goplus/llgo/runtime/internal/runtime.PrintPointer"(ptr)
+declare void @"github.com/goplus/llgo/runtime/internal/runtime.PrintPointer"(ptr) #0
 
-declare void @"github.com/goplus/llgo/runtime/internal/runtime.PrintBool"(i1)
+declare void @"github.com/goplus/llgo/runtime/internal/runtime.PrintBool"(i1) #0
 
-declare ptr @"github.com/goplus/llgo/runtime/internal/runtime.AllocZ"(i64)
+declare ptr @"github.com/goplus/llgo/runtime/internal/runtime.AllocZ"(i64) #0
 
-declare void @"github.com/goplus/llgo/runtime/internal/runtime.PrintString"(%"github.com/goplus/llgo/runtime/internal/runtime.String")
+declare void @"github.com/goplus/llgo/runtime/internal/runtime.PrintString"(%"github.com/goplus/llgo/runtime/internal/runtime.String") #0
+
+attributes #0 = { "frame-pointer"="non-leaf" }
diff --git a/cl/_testrt/gblarray/out.ll b/cl/_testrt/gblarray/out.ll
index 5bd05c1c24..ed31f8b5df 100644
--- a/cl/_testrt/gblarray/out.ll
+++ b/cl/_testrt/gblarray/out.ll
@@ -9,7 +9,7 @@ source_filename = "github.com/goplus/llgo/cl/_testrt/gblarray"
 @"github.com/goplus/llgo/cl/_testrt/gblarray.sizeBasicTypes" = global [25 x i64] zeroinitializer, align 8
 @0 = private unnamed_addr constant [20 x i8] c"Kind: %d, Size: %d\0A\00", align 1
 
-define ptr @"github.com/goplus/llgo/cl/_testrt/gblarray.Basic"(i64 %0) {
+define ptr @"github.com/goplus/llgo/cl/_testrt/gblarray.Basic"(i64 %0) #0 {
 _llgo_0:
   %1 = icmp sge i64 %0, 25
   call void @"github.com/goplus/llgo/runtime/internal/runtime.AssertIndexRange"(i1 %1)
@@ -18,7 +18,7 @@ _llgo_0:
   ret ptr %3
 }
 
-define ptr @"github.com/goplus/llgo/cl/_testrt/gblarray.basicType"(i64 %0) {
+define ptr @"github.com/goplus/llgo/cl/_testrt/gblarray.basicType"(i64 %0) #0 {
 _llgo_0:
   %1 = call ptr @"github.com/goplus/llgo/runtime/internal/runtime.AllocZ"(i64 72)
   %2 = getelementptr inbounds %"github.com/goplus/llgo/runtime/abi.Type", ptr %1, i32 0, i32 0
@@ -36,7 +36,7 @@ _llgo_0:
   ret ptr %1
 }
 
-define void @"github.com/goplus/llgo/cl/_testrt/gblarray.init"() {
+define void @"github.com/goplus/llgo/cl/_testrt/gblarray.init"() #0 {
 _llgo_0:
   %0 = load i1, ptr @"github.com/goplus/llgo/cl/_testrt/gblarray.init$guard", align 1
   br i1 %0, label %_llgo_2, label %_llgo_1
@@ -53,7 +53,7 @@ _llgo_2:                                          ; preds = %_llgo_1, %_llgo_0
   ret void
 }
 
-define void @"github.com/goplus/llgo/cl/_testrt/gblarray.main"() {
+define void @"github.com/goplus/llgo/cl/_testrt/gblarray.main"() #0 {
 _llgo_0:
   %0 = call ptr @"github.com/goplus/llgo/cl/_testrt/gblarray.Basic"(i64 24)
   %1 = getelementptr inbounds %"github.com/goplus/llgo/runtime/abi.Type", ptr %0, i32 0, i32 6
@@ -65,10 +65,12 @@ _llgo_0:
   ret void
 }
 
-declare void @"github.com/goplus/llgo/runtime/internal/runtime.AssertIndexRange"(i1)
+declare void @"github.com/goplus/llgo/runtime/internal/runtime.AssertIndexRange"(i1) #0
 
-declare ptr @"github.com/goplus/llgo/runtime/internal/runtime.AllocZ"(i64)
+declare ptr @"github.com/goplus/llgo/runtime/internal/runtime.AllocZ"(i64) #0
 
-declare void @"github.com/goplus/llgo/runtime/abi.init"()
+declare void @"github.com/goplus/llgo/runtime/abi.init"() #0
 
-declare i32 @printf(ptr, ...)
+declare i32 @printf(ptr, ...) #0
+
+attributes #0 = { "frame-pointer"="non-leaf" }
diff --git a/cl/_testrt/gotypes/out.ll b/cl/_testrt/gotypes/out.ll
index 4ce9a20e6c..d40b80a14a 100644
--- a/cl/_testrt/gotypes/out.ll
+++ b/cl/_testrt/gotypes/out.ll
@@ -5,12 +5,12 @@ source_filename = "github.com/goplus/llgo/cl/_testrt/gotypes"
 
 @"github.com/goplus/llgo/cl/_testrt/gotypes.init$guard" = global i1 false, align 1
 
-define void @"github.com/goplus/llgo/cl/_testrt/gotypes.foo"(%"github.com/goplus/llgo/runtime/internal/runtime.iface" %0) {
+define void @"github.com/goplus/llgo/cl/_testrt/gotypes.foo"(%"github.com/goplus/llgo/runtime/internal/runtime.iface" %0) #0 {
 _llgo_0:
   ret void
 }
 
-define void @"github.com/goplus/llgo/cl/_testrt/gotypes.init"() {
+define void @"github.com/goplus/llgo/cl/_testrt/gotypes.init"() #0 {
 _llgo_0:
   %0 = load i1, ptr @"github.com/goplus/llgo/cl/_testrt/gotypes.init$guard", align 1
   br i1 %0, label %_llgo_2, label %_llgo_1
@@ -23,8 +23,10 @@ _llgo_2:                                          ; preds = %_llgo_1, %_llgo_0
   ret void
 }
 
-define void @"github.com/goplus/llgo/cl/_testrt/gotypes.main"() {
+define void @"github.com/goplus/llgo/cl/_testrt/gotypes.main"() #0 {
 _llgo_0:
   call void @"github.com/goplus/llgo/cl/_testrt/gotypes.foo"(%"github.com/goplus/llgo/runtime/internal/runtime.iface" zeroinitializer)
   ret void
 }
+
+attributes #0 = { "frame-pointer"="non-leaf" }
diff --git a/cl/_testrt/hello/out.ll b/cl/_testrt/hello/out.ll
index fa6ffd67ce..9a897a5ca1 100644
--- a/cl/_testrt/hello/out.ll
+++ b/cl/_testrt/hello/out.ll
@@ -4,7 +4,7 @@ source_filename = "github.com/goplus/llgo/cl/_testrt/hello"
 @"github.com/goplus/llgo/cl/_testrt/hello.format" = global [10 x i8] zeroinitializer, align 1
 @"github.com/goplus/llgo/cl/_testrt/hello.init$guard" = global i1 false, align 1
 
-define void @"github.com/goplus/llgo/cl/_testrt/hello.init"() {
+define void @"github.com/goplus/llgo/cl/_testrt/hello.init"() #0 {
 _llgo_0:
   %0 = load i1, ptr @"github.com/goplus/llgo/cl/_testrt/hello.init$guard", align 1
   br i1 %0, label %_llgo_2, label %_llgo_1
@@ -27,13 +27,15 @@ _llgo_2:                                          ; preds = %_llgo_1, %_llgo_0
   ret void
 }
 
-define void @"github.com/goplus/llgo/cl/_testrt/hello.main"() {
+define void @"github.com/goplus/llgo/cl/_testrt/hello.main"() #0 {
 _llgo_0:
   %0 = call i32 @strlen(ptr @"github.com/goplus/llgo/cl/_testrt/hello.format")
   call void (ptr, ...) @printf(ptr @"github.com/goplus/llgo/cl/_testrt/hello.format", i32 %0)
   ret void
 }
 
-declare i32 @strlen(ptr)
+declare i32 @strlen(ptr) #0
 
-declare void @printf(ptr, ...)
+declare void @printf(ptr, ...) #0
+
+attributes #0 = { "frame-pointer"="non-leaf" }
diff --git a/cl/_testrt/index/out.ll b/cl/_testrt/index/out.ll
index 49d7c4566b..5e1de36a65 100644
--- a/cl/_testrt/index/out.ll
+++ b/cl/_testrt/index/out.ll
@@ -8,7 +8,7 @@ source_filename = "github.com/goplus/llgo/cl/_testrt/index"
 @"github.com/goplus/llgo/cl/_testrt/index.init$guard" = global i1 false, align 1
 @0 = private unnamed_addr constant [6 x i8] c"123456", align 1
 
-define void @"github.com/goplus/llgo/cl/_testrt/index.init"() {
+define void @"github.com/goplus/llgo/cl/_testrt/index.init"() #0 {
 _llgo_0:
   %0 = load i1, ptr @"github.com/goplus/llgo/cl/_testrt/index.init$guard", align 1
   br i1 %0, label %_llgo_2, label %_llgo_1
@@ -21,7 +21,7 @@ _llgo_2:                                          ; preds = %_llgo_1, %_llgo_0
   ret void
 }
 
-define void @"github.com/goplus/llgo/cl/_testrt/index.main"() {
+define void @"github.com/goplus/llgo/cl/_testrt/index.main"() #0 {
 _llgo_0:
   %0 = alloca %"github.com/goplus/llgo/cl/_testrt/index.point", align 8
   call void @llvm.memset(ptr %0, i8 0, i64 16, i1 false)
@@ -142,18 +142,19 @@ _llgo_0:
 }
 
 ; Function Attrs: nocallback nofree nounwind willreturn memory(argmem: write)
-declare void @llvm.memset(ptr nocapture writeonly, i8, i64, i1 immarg) #0
+declare void @llvm.memset(ptr nocapture writeonly, i8, i64, i1 immarg) #1
 
-declare void @"github.com/goplus/llgo/runtime/internal/runtime.PrintInt"(i64)
+declare void @"github.com/goplus/llgo/runtime/internal/runtime.PrintInt"(i64) #0
 
-declare void @"github.com/goplus/llgo/runtime/internal/runtime.PrintByte"(i8)
+declare void @"github.com/goplus/llgo/runtime/internal/runtime.PrintByte"(i8) #0
 
-declare %"github.com/goplus/llgo/runtime/internal/runtime.String" @"github.com/goplus/llgo/runtime/internal/runtime.StringFromRune"(i32)
+declare %"github.com/goplus/llgo/runtime/internal/runtime.String" @"github.com/goplus/llgo/runtime/internal/runtime.StringFromRune"(i32) #0
 
-declare void @"github.com/goplus/llgo/runtime/internal/runtime.PrintString"(%"github.com/goplus/llgo/runtime/internal/runtime.String")
+declare void @"github.com/goplus/llgo/runtime/internal/runtime.PrintString"(%"github.com/goplus/llgo/runtime/internal/runtime.String") #0
 
-declare ptr @"github.com/goplus/llgo/runtime/internal/runtime.AllocZ"(i64)
+declare ptr @"github.com/goplus/llgo/runtime/internal/runtime.AllocZ"(i64) #0
 
-declare void @"github.com/goplus/llgo/runtime/internal/runtime.AssertIndexRange"(i1)
+declare void @"github.com/goplus/llgo/runtime/internal/runtime.AssertIndexRange"(i1) #0
 
-attributes #0 = { nocallback nofree nounwind willreturn memory(argmem: write) }
+attributes #0 = { "frame-pointer"="non-leaf" }
+attributes #1 = { nocallback nofree nounwind willreturn memory(argmem: write) "frame-pointer"="non-leaf" }
diff --git a/cl/_testrt/intgen/out.ll b/cl/_testrt/intgen/out.ll
index 2d0b58ec32..a89fabce5a 100644
--- a/cl/_testrt/intgen/out.ll
+++ b/cl/_testrt/intgen/out.ll
@@ -9,7 +9,7 @@ source_filename = "github.com/goplus/llgo/cl/_testrt/intgen"
 @1 = private unnamed_addr constant [4 x i8] c"%d\0A\00", align 1
 @2 = private unnamed_addr constant [4 x i8] c"%d\0A\00", align 1
 
-define %"github.com/goplus/llgo/runtime/internal/runtime.Slice" @"github.com/goplus/llgo/cl/_testrt/intgen.genInts"(i64 %0, { ptr, ptr } %1) {
+define %"github.com/goplus/llgo/runtime/internal/runtime.Slice" @"github.com/goplus/llgo/cl/_testrt/intgen.genInts"(i64 %0, { ptr, ptr } %1) #0 {
 _llgo_0:
   %2 = call %"github.com/goplus/llgo/runtime/internal/runtime.Slice" @"github.com/goplus/llgo/runtime/internal/runtime.MakeSlice"(i64 %0, i64 %0, i64 4)
   %3 = extractvalue %"github.com/goplus/llgo/runtime/internal/runtime.Slice" %2, 1
@@ -39,7 +39,7 @@ _llgo_3:                                          ; preds = %_llgo_1
   ret %"github.com/goplus/llgo/runtime/internal/runtime.Slice" %2
 }
 
-define i32 @"github.com/goplus/llgo/cl/_testrt/intgen.(*generator).next"(ptr %0) {
+define i32 @"github.com/goplus/llgo/cl/_testrt/intgen.(*generator).next"(ptr %0) #0 {
 _llgo_0:
   %1 = getelementptr inbounds %"github.com/goplus/llgo/cl/_testrt/intgen.generator", ptr %0, i32 0, i32 0
   %2 = load i32, ptr %1, align 4
@@ -51,7 +51,7 @@ _llgo_0:
   ret i32 %6
 }
 
-define void @"github.com/goplus/llgo/cl/_testrt/intgen.init"() {
+define void @"github.com/goplus/llgo/cl/_testrt/intgen.init"() #0 {
 _llgo_0:
   %0 = load i1, ptr @"github.com/goplus/llgo/cl/_testrt/intgen.init$guard", align 1
   br i1 %0, label %_llgo_2, label %_llgo_1
@@ -64,7 +64,7 @@ _llgo_2:                                          ; preds = %_llgo_1, %_llgo_0
   ret void
 }
 
-define void @"github.com/goplus/llgo/cl/_testrt/intgen.main"() {
+define void @"github.com/goplus/llgo/cl/_testrt/intgen.main"() #0 {
 _llgo_0:
   %0 = call %"github.com/goplus/llgo/runtime/internal/runtime.Slice" @"github.com/goplus/llgo/cl/_testrt/intgen.genInts"(i64 5, { ptr, ptr } { ptr @__llgo_stub.rand, ptr null })
   %1 = extractvalue %"github.com/goplus/llgo/runtime/internal/runtime.Slice" %0, 1
@@ -151,7 +151,7 @@ _llgo_9:                                          ; preds = %_llgo_7
   ret void
 }
 
-define i32 @"github.com/goplus/llgo/cl/_testrt/intgen.main$1"(ptr %0) {
+define i32 @"github.com/goplus/llgo/cl/_testrt/intgen.main$1"(ptr %0) #0 {
 _llgo_0:
   %1 = load { ptr }, ptr %0, align 8
   %2 = extractvalue { ptr } %1, 0
@@ -164,28 +164,30 @@ _llgo_0:
   ret i32 %7
 }
 
-declare %"github.com/goplus/llgo/runtime/internal/runtime.Slice" @"github.com/goplus/llgo/runtime/internal/runtime.MakeSlice"(i64, i64, i64)
+declare %"github.com/goplus/llgo/runtime/internal/runtime.Slice" @"github.com/goplus/llgo/runtime/internal/runtime.MakeSlice"(i64, i64, i64) #0
 
-declare void @"github.com/goplus/llgo/runtime/internal/runtime.AssertIndexRange"(i1)
+declare void @"github.com/goplus/llgo/runtime/internal/runtime.AssertIndexRange"(i1) #0
 
-declare i32 @rand()
+declare i32 @rand() #0
 
-define linkonce i32 @__llgo_stub.rand(ptr %0) {
+define linkonce i32 @__llgo_stub.rand(ptr %0) #0 {
 _llgo_0:
   %1 = tail call i32 @rand()
   ret i32 %1
 }
 
-declare i32 @printf(ptr, ...)
+declare i32 @printf(ptr, ...) #0
 
-declare ptr @"github.com/goplus/llgo/runtime/internal/runtime.AllocZ"(i64)
+declare ptr @"github.com/goplus/llgo/runtime/internal/runtime.AllocZ"(i64) #0
 
-declare ptr @"github.com/goplus/llgo/runtime/internal/runtime.AllocU"(i64)
+declare ptr @"github.com/goplus/llgo/runtime/internal/runtime.AllocU"(i64) #0
 
-define i32 @"github.com/goplus/llgo/cl/_testrt/intgen.(*generator).next$bound"(ptr %0) {
+define i32 @"github.com/goplus/llgo/cl/_testrt/intgen.(*generator).next$bound"(ptr %0) #0 {
 _llgo_0:
   %1 = load { ptr }, ptr %0, align 8
   %2 = extractvalue { ptr } %1, 0
   %3 = call i32 @"github.com/goplus/llgo/cl/_testrt/intgen.(*generator).next"(ptr %2)
   ret i32 %3
 }
+
+attributes #0 = { "frame-pointer"="non-leaf" }
diff --git a/cl/_testrt/len/out.ll b/cl/_testrt/len/out.ll
index a811bae533..153d43c19b 100644
--- a/cl/_testrt/len/out.ll
+++ b/cl/_testrt/len/out.ll
@@ -56,7 +56,7 @@ source_filename = "github.com/goplus/llgo/cl/_testrt/len"
 @"github.com/goplus/llgo/cl/_testrt/len.struct$-d5W1oQEguzs9p8l76MbO7RbmjtJYi8DH1vVvnKnZqQ$fields" = weak_odr constant [4 x %"github.com/goplus/llgo/runtime/abi.StructField"] [%"github.com/goplus/llgo/runtime/abi.StructField" { %"github.com/goplus/llgo/runtime/internal/runtime.String" { ptr @4, i64 7 }, ptr @"[8]_llgo_uint8", i64 0, %"github.com/goplus/llgo/runtime/internal/runtime.String" zeroinitializer, i1 false }, %"github.com/goplus/llgo/runtime/abi.StructField" { %"github.com/goplus/llgo/runtime/internal/runtime.String" { ptr @8, i64 4 }, ptr @"[8]_llgo_int", i64 8, %"github.com/goplus/llgo/runtime/internal/runtime.String" zeroinitializer, i1 false }, %"github.com/goplus/llgo/runtime/abi.StructField" { %"github.com/goplus/llgo/runtime/internal/runtime.String" { ptr @11, i64 5 }, ptr @"[8]_llgo_string", i64 72, %"github.com/goplus/llgo/runtime/internal/runtime.String" zeroinitializer, i1 false }, %"github.com/goplus/llgo/runtime/abi.StructField" { %"github.com/goplus/llgo/runtime/internal/runtime.String" { ptr @14, i64 8 }, ptr @_llgo_Pointer, i64 200, %"github.com/goplus/llgo/runtime/internal/runtime.String" zeroinitializer, i1 false }], align 8
 @16 = private unnamed_addr constant [5 x i8] c"hello", align 1
 
-define void @"github.com/goplus/llgo/cl/_testrt/len.init"() {
+define void @"github.com/goplus/llgo/cl/_testrt/len.init"() #0 {
 _llgo_0:
   %0 = load i1, ptr @"github.com/goplus/llgo/cl/_testrt/len.init$guard", align 1
   br i1 %0, label %_llgo_2, label %_llgo_1
@@ -69,7 +69,7 @@ _llgo_2:                                          ; preds = %_llgo_1, %_llgo_0
   ret void
 }
 
-define void @"github.com/goplus/llgo/cl/_testrt/len.main"() {
+define void @"github.com/goplus/llgo/cl/_testrt/len.main"() #0 {
 _llgo_0:
   %0 = call ptr @"github.com/goplus/llgo/runtime/internal/runtime.AllocZ"(i64 56)
   %1 = getelementptr inbounds %"github.com/goplus/llgo/cl/_testrt/len.data", ptr %0, i32 0, i32 0
@@ -160,60 +160,62 @@ _llgo_0:
   ret void
 }
 
-declare ptr @"github.com/goplus/llgo/runtime/internal/runtime.AllocZ"(i64)
+declare ptr @"github.com/goplus/llgo/runtime/internal/runtime.AllocZ"(i64) #0
 
-declare i64 @"github.com/goplus/llgo/runtime/internal/runtime.ChanLen"(ptr)
+declare i64 @"github.com/goplus/llgo/runtime/internal/runtime.ChanLen"(ptr) #0
 
-declare i64 @"github.com/goplus/llgo/runtime/internal/runtime.MapLen"(ptr)
+declare i64 @"github.com/goplus/llgo/runtime/internal/runtime.MapLen"(ptr) #0
 
-declare i64 @"github.com/goplus/llgo/runtime/internal/runtime.ChanCap"(ptr)
+declare i64 @"github.com/goplus/llgo/runtime/internal/runtime.ChanCap"(ptr) #0
 
-declare void @"github.com/goplus/llgo/runtime/internal/runtime.PrintInt"(i64)
+declare void @"github.com/goplus/llgo/runtime/internal/runtime.PrintInt"(i64) #0
 
-declare void @"github.com/goplus/llgo/runtime/internal/runtime.PrintByte"(i8)
+declare void @"github.com/goplus/llgo/runtime/internal/runtime.PrintByte"(i8) #0
 
-declare ptr @"github.com/goplus/llgo/runtime/internal/runtime.NewChan"(i64, i64)
+declare ptr @"github.com/goplus/llgo/runtime/internal/runtime.NewChan"(i64, i64) #0
 
-declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.memequalptr"(ptr, ptr)
+declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.memequalptr"(ptr, ptr) #0
 
-define linkonce i1 @"__llgo_stub.github.com/goplus/llgo/runtime/internal/runtime.memequalptr"(ptr %0, ptr %1, ptr %2) {
+define linkonce i1 @"__llgo_stub.github.com/goplus/llgo/runtime/internal/runtime.memequalptr"(ptr %0, ptr %1, ptr %2) #0 {
 _llgo_0:
   %3 = tail call i1 @"github.com/goplus/llgo/runtime/internal/runtime.memequalptr"(ptr %1, ptr %2)
   ret i1 %3
 }
 
-declare i64 @"github.com/goplus/llgo/runtime/internal/runtime.typehash"(ptr, ptr, i64)
+declare i64 @"github.com/goplus/llgo/runtime/internal/runtime.typehash"(ptr, ptr, i64) #0
 
-declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.memequal64"(ptr, ptr)
+declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.memequal64"(ptr, ptr) #0
 
-define linkonce i1 @"__llgo_stub.github.com/goplus/llgo/runtime/internal/runtime.memequal64"(ptr %0, ptr %1, ptr %2) {
+define linkonce i1 @"__llgo_stub.github.com/goplus/llgo/runtime/internal/runtime.memequal64"(ptr %0, ptr %1, ptr %2) #0 {
 _llgo_0:
   %3 = tail call i1 @"github.com/goplus/llgo/runtime/internal/runtime.memequal64"(ptr %1, ptr %2)
   ret i1 %3
 }
 
-declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.strequal"(ptr, ptr)
+declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.strequal"(ptr, ptr) #0
 
-define linkonce i1 @"__llgo_stub.github.com/goplus/llgo/runtime/internal/runtime.strequal"(ptr %0, ptr %1, ptr %2) {
+define linkonce i1 @"__llgo_stub.github.com/goplus/llgo/runtime/internal/runtime.strequal"(ptr %0, ptr %1, ptr %2) #0 {
 _llgo_0:
   %3 = tail call i1 @"github.com/goplus/llgo/runtime/internal/runtime.strequal"(ptr %1, ptr %2)
   ret i1 %3
 }
 
-declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.structequal"(ptr, ptr, ptr)
+declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.structequal"(ptr, ptr, ptr) #0
 
-declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.arrayequal"(ptr, ptr, ptr)
+declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.arrayequal"(ptr, ptr, ptr) #0
 
-declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.memequal8"(ptr, ptr)
+declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.memequal8"(ptr, ptr) #0
 
-define linkonce i1 @"__llgo_stub.github.com/goplus/llgo/runtime/internal/runtime.memequal8"(ptr %0, ptr %1, ptr %2) {
+define linkonce i1 @"__llgo_stub.github.com/goplus/llgo/runtime/internal/runtime.memequal8"(ptr %0, ptr %1, ptr %2) #0 {
 _llgo_0:
   %3 = tail call i1 @"github.com/goplus/llgo/runtime/internal/runtime.memequal8"(ptr %1, ptr %2)
   ret i1 %3
 }
 
-declare ptr @"github.com/goplus/llgo/runtime/internal/runtime.MakeMap"(ptr, i64)
+declare ptr @"github.com/goplus/llgo/runtime/internal/runtime.MakeMap"(ptr, i64) #0
 
-declare ptr @"github.com/goplus/llgo/runtime/internal/runtime.AllocU"(i64)
+declare ptr @"github.com/goplus/llgo/runtime/internal/runtime.AllocU"(i64) #0
 
-declare ptr @"github.com/goplus/llgo/runtime/internal/runtime.MapAssign"(ptr, ptr, ptr)
+declare ptr @"github.com/goplus/llgo/runtime/internal/runtime.MapAssign"(ptr, ptr, ptr) #0
+
+attributes #0 = { "frame-pointer"="non-leaf" }
diff --git a/cl/_testrt/linkname/out.ll b/cl/_testrt/linkname/out.ll
index 159a0a4a3a..03aba1f555 100644
--- a/cl/_testrt/linkname/out.ll
+++ b/cl/_testrt/linkname/out.ll
@@ -15,9 +15,9 @@ source_filename = "github.com/goplus/llgo/cl/_testrt/linkname"
 @7 = private unnamed_addr constant [2 x i8] c"4\00", align 1
 @8 = private unnamed_addr constant [5 x i8] c"hello", align 1
 
-declare %"github.com/goplus/llgo/runtime/internal/runtime.String" @"github.com/goplus/llgo/cl/_testrt/linkname/linktarget.m.info"(%"github.com/goplus/llgo/cl/_testrt/linkname.m")
+declare %"github.com/goplus/llgo/runtime/internal/runtime.String" @"github.com/goplus/llgo/cl/_testrt/linkname/linktarget.m.info"(%"github.com/goplus/llgo/cl/_testrt/linkname.m") #0
 
-define void @"github.com/goplus/llgo/cl/_testrt/linkname.init"() {
+define void @"github.com/goplus/llgo/cl/_testrt/linkname.init"() #0 {
 _llgo_0:
   %0 = load i1, ptr @"github.com/goplus/llgo/cl/_testrt/linkname.init$guard", align 1
   br i1 %0, label %_llgo_2, label %_llgo_1
@@ -31,7 +31,7 @@ _llgo_2:                                          ; preds = %_llgo_1, %_llgo_0
   ret void
 }
 
-define void @"github.com/goplus/llgo/cl/_testrt/linkname.main"() {
+define void @"github.com/goplus/llgo/cl/_testrt/linkname.main"() #0 {
 _llgo_0:
   call void @"github.com/goplus/llgo/cl/_testrt/linkname/linktarget.F"(ptr @0, ptr @1, ptr @2, ptr @3)
   call void @"github.com/goplus/llgo/cl/_testrt/linkname/linktarget.F"(ptr @4, ptr @5, ptr @6, ptr @7)
@@ -44,14 +44,16 @@ _llgo_0:
   ret void
 }
 
-declare void @"github.com/goplus/llgo/cl/_testrt/linkname/linktarget.F"(ptr, ptr, ptr, ptr)
+declare void @"github.com/goplus/llgo/cl/_testrt/linkname/linktarget.F"(ptr, ptr, ptr, ptr) #0
 
-declare void @"github.com/goplus/llgo/cl/_testrt/linkname/linktarget.(*m).setInfo"(ptr, %"github.com/goplus/llgo/runtime/internal/runtime.String")
+declare void @"github.com/goplus/llgo/cl/_testrt/linkname/linktarget.(*m).setInfo"(ptr, %"github.com/goplus/llgo/runtime/internal/runtime.String") #0
 
-declare void @"github.com/goplus/llgo/cl/_testrt/linkname/linktarget.init"()
+declare void @"github.com/goplus/llgo/cl/_testrt/linkname/linktarget.init"() #0
 
-declare ptr @"github.com/goplus/llgo/runtime/internal/runtime.AllocZ"(i64)
+declare ptr @"github.com/goplus/llgo/runtime/internal/runtime.AllocZ"(i64) #0
 
-declare void @"github.com/goplus/llgo/runtime/internal/runtime.PrintString"(%"github.com/goplus/llgo/runtime/internal/runtime.String")
+declare void @"github.com/goplus/llgo/runtime/internal/runtime.PrintString"(%"github.com/goplus/llgo/runtime/internal/runtime.String") #0
 
-declare void @"github.com/goplus/llgo/runtime/internal/runtime.PrintByte"(i8)
+declare void @"github.com/goplus/llgo/runtime/internal/runtime.PrintByte"(i8) #0
+
+attributes #0 = { "frame-pointer"="non-leaf" }
diff --git a/cl/_testrt/makemap/out.ll b/cl/_testrt/makemap/out.ll
index 85ae6163c9..b13cfd058c 100644
--- a/cl/_testrt/makemap/out.ll
+++ b/cl/_testrt/makemap/out.ll
@@ -151,7 +151,7 @@ source_filename = "github.com/goplus/llgo/cl/_testrt/makemap"
 @"*[]_llgo_github.com/goplus/llgo/cl/_testrt/makemap.N.7.0" = weak_odr constant %"github.com/goplus/llgo/runtime/abi.PtrType" { %"github.com/goplus/llgo/runtime/abi.Type" { i64 8, i64 8, i32 -1663940180, i8 10, i8 8, i8 8, i8 54, { ptr, ptr } { ptr @"__llgo_stub.github.com/goplus/llgo/runtime/internal/runtime.memequalptr", ptr null }, ptr null, %"github.com/goplus/llgo/runtime/internal/runtime.String" { ptr @38, i64 8 }, ptr null }, ptr @"[]_llgo_github.com/goplus/llgo/cl/_testrt/makemap.N.7.0" }, align 8
 @"github.com/goplus/llgo/cl/_testrt/makemap.struct$tJooAKjBfWFVdIN3UQAErvHaJ-wlhiEZpoJy2GckluU$fields" = weak_odr constant [4 x %"github.com/goplus/llgo/runtime/abi.StructField"] [%"github.com/goplus/llgo/runtime/abi.StructField" { %"github.com/goplus/llgo/runtime/internal/runtime.String" { ptr @4, i64 7 }, ptr @"[8]_llgo_uint8", i64 0, %"github.com/goplus/llgo/runtime/internal/runtime.String" zeroinitializer, i1 false }, %"github.com/goplus/llgo/runtime/abi.StructField" { %"github.com/goplus/llgo/runtime/internal/runtime.String" { ptr @8, i64 4 }, ptr @"[8]_llgo_github.com/goplus/llgo/cl/_testrt/makemap.N.7.0", i64 8, %"github.com/goplus/llgo/runtime/internal/runtime.String" zeroinitializer, i1 false }, %"github.com/goplus/llgo/runtime/abi.StructField" { %"github.com/goplus/llgo/runtime/internal/runtime.String" { ptr @11, i64 5 }, ptr @"[8]_llgo_string", i64 72, %"github.com/goplus/llgo/runtime/internal/runtime.String" zeroinitializer, i1 false }, %"github.com/goplus/llgo/runtime/abi.StructField" { %"github.com/goplus/llgo/runtime/internal/runtime.String" { ptr @14, i64 8 }, ptr @_llgo_Pointer, i64 200, %"github.com/goplus/llgo/runtime/internal/runtime.String" zeroinitializer, i1 false }], align 8
 
-define void @"github.com/goplus/llgo/cl/_testrt/makemap.init"() {
+define void @"github.com/goplus/llgo/cl/_testrt/makemap.init"() #0 {
 _llgo_0:
   %0 = load i1, ptr @"github.com/goplus/llgo/cl/_testrt/makemap.init$guard", align 1
   br i1 %0, label %_llgo_2, label %_llgo_1
@@ -164,7 +164,7 @@ _llgo_2:                                          ; preds = %_llgo_1, %_llgo_0
   ret void
 }
 
-define void @"github.com/goplus/llgo/cl/_testrt/makemap.main"() {
+define void @"github.com/goplus/llgo/cl/_testrt/makemap.main"() #0 {
 _llgo_0:
   call void @"github.com/goplus/llgo/cl/_testrt/makemap.make1"()
   call void @"github.com/goplus/llgo/cl/_testrt/makemap.make2"()
@@ -176,7 +176,7 @@ _llgo_0:
   ret void
 }
 
-define void @"github.com/goplus/llgo/cl/_testrt/makemap.make1"() {
+define void @"github.com/goplus/llgo/cl/_testrt/makemap.make1"() #0 {
 _llgo_0:
   %0 = call ptr @"github.com/goplus/llgo/runtime/internal/runtime.MakeMap"(ptr @"map[_llgo_int]_llgo_string", i64 0)
   %1 = call ptr @"github.com/goplus/llgo/runtime/internal/runtime.AllocU"(i64 8)
@@ -352,7 +352,7 @@ _llgo_16:                                         ; preds = %_llgo_15, %_llgo_14
   br i1 %77, label %_llgo_5, label %_llgo_6
 }
 
-define void @"github.com/goplus/llgo/cl/_testrt/makemap.make2"() {
+define void @"github.com/goplus/llgo/cl/_testrt/makemap.make2"() #0 {
 _llgo_0:
   %0 = call ptr @"github.com/goplus/llgo/runtime/internal/runtime.MakeMap"(ptr @"map[_llgo_int]_llgo_string", i64 0)
   %1 = call i64 @"github.com/goplus/llgo/runtime/internal/runtime.MapLen"(ptr %0)
@@ -476,7 +476,7 @@ _llgo_8:                                          ; preds = %_llgo_2
   unreachable
 }
 
-define void @"github.com/goplus/llgo/cl/_testrt/makemap.make3"() {
+define void @"github.com/goplus/llgo/cl/_testrt/makemap.make3"() #0 {
 _llgo_0:
   %0 = alloca [1 x %"github.com/goplus/llgo/cl/_testrt/makemap.N"], align 8
   call void @llvm.memset(ptr %0, i8 0, i64 2, i1 false)
@@ -593,7 +593,7 @@ _llgo_8:                                          ; preds = %_llgo_2
   unreachable
 }
 
-define void @"github.com/goplus/llgo/cl/_testrt/makemap.make4"() {
+define void @"github.com/goplus/llgo/cl/_testrt/makemap.make4"() #0 {
 _llgo_0:
   %0 = alloca [1 x ptr], align 8
   call void @llvm.memset(ptr %0, i8 0, i64 8, i1 false)
@@ -709,7 +709,7 @@ _llgo_8:                                          ; preds = %_llgo_2
   unreachable
 }
 
-define void @"github.com/goplus/llgo/cl/_testrt/makemap.make5"() {
+define void @"github.com/goplus/llgo/cl/_testrt/makemap.make5"() #0 {
 _llgo_0:
   %0 = call ptr @"github.com/goplus/llgo/runtime/internal/runtime.NewChan"(i64 8, i64 0)
   %1 = insertvalue %"github.com/goplus/llgo/runtime/internal/runtime.eface" { ptr @"chan _llgo_int", ptr undef }, ptr %0, 1
@@ -764,7 +764,7 @@ _llgo_6:                                          ; preds = %_llgo_5, %_llgo_4
   br i1 %21, label %_llgo_2, label %_llgo_3
 }
 
-define void @"github.com/goplus/llgo/cl/_testrt/makemap.make6"() {
+define void @"github.com/goplus/llgo/cl/_testrt/makemap.make6"() #0 {
 _llgo_0:
   %0 = call ptr @"github.com/goplus/llgo/runtime/internal/runtime.MakeMap"(ptr @"map[_llgo_int]_llgo_string", i64 0)
   %1 = call ptr @"github.com/goplus/llgo/runtime/internal/runtime.AllocU"(i64 8)
@@ -809,7 +809,7 @@ _llgo_6:                                          ; preds = %_llgo_5, %_llgo_4
   br i1 %15, label %_llgo_2, label %_llgo_3
 }
 
-define void @"github.com/goplus/llgo/cl/_testrt/makemap.make7"() {
+define void @"github.com/goplus/llgo/cl/_testrt/makemap.make7"() #0 {
 _llgo_0:
   %0 = call ptr @"github.com/goplus/llgo/runtime/internal/runtime.MakeMap"(ptr @"map[_llgo_github.com/goplus/llgo/cl/_testrt/makemap.N.7.0]_llgo_string", i64 2)
   %1 = call ptr @"github.com/goplus/llgo/runtime/internal/runtime.AllocU"(i64 8)
@@ -864,89 +864,90 @@ _llgo_6:                                          ; preds = %_llgo_5, %_llgo_4
   br i1 %20, label %_llgo_2, label %_llgo_3
 }
 
-declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.memequalptr"(ptr, ptr)
+declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.memequalptr"(ptr, ptr) #0
 
-define linkonce i1 @"__llgo_stub.github.com/goplus/llgo/runtime/internal/runtime.memequalptr"(ptr %0, ptr %1, ptr %2) {
+define linkonce i1 @"__llgo_stub.github.com/goplus/llgo/runtime/internal/runtime.memequalptr"(ptr %0, ptr %1, ptr %2) #0 {
 _llgo_0:
   %3 = tail call i1 @"github.com/goplus/llgo/runtime/internal/runtime.memequalptr"(ptr %1, ptr %2)
   ret i1 %3
 }
 
-declare i64 @"github.com/goplus/llgo/runtime/internal/runtime.typehash"(ptr, ptr, i64)
+declare i64 @"github.com/goplus/llgo/runtime/internal/runtime.typehash"(ptr, ptr, i64) #0
 
-declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.memequal64"(ptr, ptr)
+declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.memequal64"(ptr, ptr) #0
 
-define linkonce i1 @"__llgo_stub.github.com/goplus/llgo/runtime/internal/runtime.memequal64"(ptr %0, ptr %1, ptr %2) {
+define linkonce i1 @"__llgo_stub.github.com/goplus/llgo/runtime/internal/runtime.memequal64"(ptr %0, ptr %1, ptr %2) #0 {
 _llgo_0:
   %3 = tail call i1 @"github.com/goplus/llgo/runtime/internal/runtime.memequal64"(ptr %1, ptr %2)
   ret i1 %3
 }
 
-declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.strequal"(ptr, ptr)
+declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.strequal"(ptr, ptr) #0
 
-define linkonce i1 @"__llgo_stub.github.com/goplus/llgo/runtime/internal/runtime.strequal"(ptr %0, ptr %1, ptr %2) {
+define linkonce i1 @"__llgo_stub.github.com/goplus/llgo/runtime/internal/runtime.strequal"(ptr %0, ptr %1, ptr %2) #0 {
 _llgo_0:
   %3 = tail call i1 @"github.com/goplus/llgo/runtime/internal/runtime.strequal"(ptr %1, ptr %2)
   ret i1 %3
 }
 
-declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.structequal"(ptr, ptr, ptr)
+declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.structequal"(ptr, ptr, ptr) #0
 
-declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.arrayequal"(ptr, ptr, ptr)
+declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.arrayequal"(ptr, ptr, ptr) #0
 
-declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.memequal8"(ptr, ptr)
+declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.memequal8"(ptr, ptr) #0
 
-define linkonce i1 @"__llgo_stub.github.com/goplus/llgo/runtime/internal/runtime.memequal8"(ptr %0, ptr %1, ptr %2) {
+define linkonce i1 @"__llgo_stub.github.com/goplus/llgo/runtime/internal/runtime.memequal8"(ptr %0, ptr %1, ptr %2) #0 {
 _llgo_0:
   %3 = tail call i1 @"github.com/goplus/llgo/runtime/internal/runtime.memequal8"(ptr %1, ptr %2)
   ret i1 %3
 }
 
-declare ptr @"github.com/goplus/llgo/runtime/internal/runtime.MakeMap"(ptr, i64)
+declare ptr @"github.com/goplus/llgo/runtime/internal/runtime.MakeMap"(ptr, i64) #0
 
-declare ptr @"github.com/goplus/llgo/runtime/internal/runtime.AllocU"(i64)
+declare ptr @"github.com/goplus/llgo/runtime/internal/runtime.AllocU"(i64) #0
 
-declare ptr @"github.com/goplus/llgo/runtime/internal/runtime.MapAssign"(ptr, ptr, ptr)
+declare ptr @"github.com/goplus/llgo/runtime/internal/runtime.MapAssign"(ptr, ptr, ptr) #0
 
-declare ptr @"github.com/goplus/llgo/runtime/internal/runtime.MapAccess1"(ptr, ptr, ptr)
+declare ptr @"github.com/goplus/llgo/runtime/internal/runtime.MapAccess1"(ptr, ptr, ptr) #0
 
-declare i64 @"github.com/goplus/llgo/runtime/internal/runtime.MapLen"(ptr)
+declare i64 @"github.com/goplus/llgo/runtime/internal/runtime.MapLen"(ptr) #0
 
-declare void @"github.com/goplus/llgo/runtime/internal/runtime.PrintPointer"(ptr)
+declare void @"github.com/goplus/llgo/runtime/internal/runtime.PrintPointer"(ptr) #0
 
-declare void @"github.com/goplus/llgo/runtime/internal/runtime.PrintByte"(i8)
+declare void @"github.com/goplus/llgo/runtime/internal/runtime.PrintByte"(i8) #0
 
-declare void @"github.com/goplus/llgo/runtime/internal/runtime.PrintString"(%"github.com/goplus/llgo/runtime/internal/runtime.String")
+declare void @"github.com/goplus/llgo/runtime/internal/runtime.PrintString"(%"github.com/goplus/llgo/runtime/internal/runtime.String") #0
 
-declare void @"github.com/goplus/llgo/runtime/internal/runtime.PrintInt"(i64)
+declare void @"github.com/goplus/llgo/runtime/internal/runtime.PrintInt"(i64) #0
 
-declare ptr @"github.com/goplus/llgo/runtime/internal/runtime.NewMapIter"(ptr, ptr)
+declare ptr @"github.com/goplus/llgo/runtime/internal/runtime.NewMapIter"(ptr, ptr) #0
 
-declare { i1, ptr, ptr } @"github.com/goplus/llgo/runtime/internal/runtime.MapIterNext"(ptr)
+declare { i1, ptr, ptr } @"github.com/goplus/llgo/runtime/internal/runtime.MapIterNext"(ptr) #0
 
-declare { ptr, i1 } @"github.com/goplus/llgo/runtime/internal/runtime.MapAccess2"(ptr, ptr, ptr)
+declare { ptr, i1 } @"github.com/goplus/llgo/runtime/internal/runtime.MapAccess2"(ptr, ptr, ptr) #0
 
-declare void @"github.com/goplus/llgo/runtime/internal/runtime.PrintBool"(i1)
+declare void @"github.com/goplus/llgo/runtime/internal/runtime.PrintBool"(i1) #0
 
-declare void @"github.com/goplus/llgo/runtime/internal/runtime.MapDelete"(ptr, ptr, ptr)
+declare void @"github.com/goplus/llgo/runtime/internal/runtime.MapDelete"(ptr, ptr, ptr) #0
 
-declare void @"github.com/goplus/llgo/runtime/internal/runtime.Panic"(%"github.com/goplus/llgo/runtime/internal/runtime.eface")
+declare void @"github.com/goplus/llgo/runtime/internal/runtime.Panic"(%"github.com/goplus/llgo/runtime/internal/runtime.eface") #0
 
-declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.nilinterequal"(ptr, ptr)
+declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.nilinterequal"(ptr, ptr) #0
 
-define linkonce i1 @"__llgo_stub.github.com/goplus/llgo/runtime/internal/runtime.nilinterequal"(ptr %0, ptr %1, ptr %2) {
+define linkonce i1 @"__llgo_stub.github.com/goplus/llgo/runtime/internal/runtime.nilinterequal"(ptr %0, ptr %1, ptr %2) #0 {
 _llgo_0:
   %3 = tail call i1 @"github.com/goplus/llgo/runtime/internal/runtime.nilinterequal"(ptr %1, ptr %2)
   ret i1 %3
 }
 
 ; Function Attrs: nocallback nofree nounwind willreturn memory(argmem: write)
-declare void @llvm.memset(ptr nocapture writeonly, i8, i64, i1 immarg) #0
+declare void @llvm.memset(ptr nocapture writeonly, i8, i64, i1 immarg) #1
 
-declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.EfaceEqual"(%"github.com/goplus/llgo/runtime/internal/runtime.eface", %"github.com/goplus/llgo/runtime/internal/runtime.eface")
+declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.EfaceEqual"(%"github.com/goplus/llgo/runtime/internal/runtime.eface", %"github.com/goplus/llgo/runtime/internal/runtime.eface") #0
 
-declare ptr @"github.com/goplus/llgo/runtime/internal/runtime.AllocZ"(i64)
+declare ptr @"github.com/goplus/llgo/runtime/internal/runtime.AllocZ"(i64) #0
 
-declare ptr @"github.com/goplus/llgo/runtime/internal/runtime.NewChan"(i64, i64)
+declare ptr @"github.com/goplus/llgo/runtime/internal/runtime.NewChan"(i64, i64) #0
 
-attributes #0 = { nocallback nofree nounwind willreturn memory(argmem: write) }
+attributes #0 = { "frame-pointer"="non-leaf" }
+attributes #1 = { nocallback nofree nounwind willreturn memory(argmem: write) "frame-pointer"="non-leaf" }
diff --git a/cl/_testrt/map/out.ll b/cl/_testrt/map/out.ll
index f037b78cf6..f8250b5983 100644
--- a/cl/_testrt/map/out.ll
+++ b/cl/_testrt/map/out.ll
@@ -46,7 +46,7 @@ source_filename = "github.com/goplus/llgo/cl/_testrt/map"
 @"github.com/goplus/llgo/cl/_testrt/map.struct$RSTTp_pTKglBmcdy0CMmgLp9HSGRvgD8UwNIoMFFyOg$fields" = weak_odr constant [4 x %"github.com/goplus/llgo/runtime/abi.StructField"] [%"github.com/goplus/llgo/runtime/abi.StructField" { %"github.com/goplus/llgo/runtime/internal/runtime.String" { ptr @3, i64 7 }, ptr @"[8]_llgo_uint8", i64 0, %"github.com/goplus/llgo/runtime/internal/runtime.String" zeroinitializer, i1 false }, %"github.com/goplus/llgo/runtime/abi.StructField" { %"github.com/goplus/llgo/runtime/internal/runtime.String" { ptr @7, i64 4 }, ptr @"[8]_llgo_int", i64 8, %"github.com/goplus/llgo/runtime/internal/runtime.String" zeroinitializer, i1 false }, %"github.com/goplus/llgo/runtime/abi.StructField" { %"github.com/goplus/llgo/runtime/internal/runtime.String" { ptr @10, i64 5 }, ptr @"[8]_llgo_int", i64 72, %"github.com/goplus/llgo/runtime/internal/runtime.String" zeroinitializer, i1 false }, %"github.com/goplus/llgo/runtime/abi.StructField" { %"github.com/goplus/llgo/runtime/internal/runtime.String" { ptr @11, i64 8 }, ptr @_llgo_uintptr, i64 136, %"github.com/goplus/llgo/runtime/internal/runtime.String" zeroinitializer, i1 false }], align 8
 @13 = private unnamed_addr constant [10 x i8] c"Hello %d\0A\00", align 1
 
-define void @"github.com/goplus/llgo/cl/_testrt/map.init"() {
+define void @"github.com/goplus/llgo/cl/_testrt/map.init"() #0 {
 _llgo_0:
   %0 = load i1, ptr @"github.com/goplus/llgo/cl/_testrt/map.init$guard", align 1
   br i1 %0, label %_llgo_2, label %_llgo_1
@@ -59,7 +59,7 @@ _llgo_2:                                          ; preds = %_llgo_1, %_llgo_0
   ret void
 }
 
-define void @"github.com/goplus/llgo/cl/_testrt/map.main"() {
+define void @"github.com/goplus/llgo/cl/_testrt/map.main"() #0 {
 _llgo_0:
   %0 = call ptr @"github.com/goplus/llgo/runtime/internal/runtime.MakeMap"(ptr @"map[_llgo_int]_llgo_int", i64 2)
   %1 = call ptr @"github.com/goplus/llgo/runtime/internal/runtime.AllocU"(i64 8)
@@ -78,42 +78,44 @@ _llgo_0:
   ret void
 }
 
-declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.memequalptr"(ptr, ptr)
+declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.memequalptr"(ptr, ptr) #0
 
-define linkonce i1 @"__llgo_stub.github.com/goplus/llgo/runtime/internal/runtime.memequalptr"(ptr %0, ptr %1, ptr %2) {
+define linkonce i1 @"__llgo_stub.github.com/goplus/llgo/runtime/internal/runtime.memequalptr"(ptr %0, ptr %1, ptr %2) #0 {
 _llgo_0:
   %3 = tail call i1 @"github.com/goplus/llgo/runtime/internal/runtime.memequalptr"(ptr %1, ptr %2)
   ret i1 %3
 }
 
-declare i64 @"github.com/goplus/llgo/runtime/internal/runtime.typehash"(ptr, ptr, i64)
+declare i64 @"github.com/goplus/llgo/runtime/internal/runtime.typehash"(ptr, ptr, i64) #0
 
-declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.memequal64"(ptr, ptr)
+declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.memequal64"(ptr, ptr) #0
 
-define linkonce i1 @"__llgo_stub.github.com/goplus/llgo/runtime/internal/runtime.memequal64"(ptr %0, ptr %1, ptr %2) {
+define linkonce i1 @"__llgo_stub.github.com/goplus/llgo/runtime/internal/runtime.memequal64"(ptr %0, ptr %1, ptr %2) #0 {
 _llgo_0:
   %3 = tail call i1 @"github.com/goplus/llgo/runtime/internal/runtime.memequal64"(ptr %1, ptr %2)
   ret i1 %3
 }
 
-declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.structequal"(ptr, ptr, ptr)
+declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.structequal"(ptr, ptr, ptr) #0
 
-declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.arrayequal"(ptr, ptr, ptr)
+declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.arrayequal"(ptr, ptr, ptr) #0
 
-declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.memequal8"(ptr, ptr)
+declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.memequal8"(ptr, ptr) #0
 
-define linkonce i1 @"__llgo_stub.github.com/goplus/llgo/runtime/internal/runtime.memequal8"(ptr %0, ptr %1, ptr %2) {
+define linkonce i1 @"__llgo_stub.github.com/goplus/llgo/runtime/internal/runtime.memequal8"(ptr %0, ptr %1, ptr %2) #0 {
 _llgo_0:
   %3 = tail call i1 @"github.com/goplus/llgo/runtime/internal/runtime.memequal8"(ptr %1, ptr %2)
   ret i1 %3
 }
 
-declare ptr @"github.com/goplus/llgo/runtime/internal/runtime.MakeMap"(ptr, i64)
+declare ptr @"github.com/goplus/llgo/runtime/internal/runtime.MakeMap"(ptr, i64) #0
 
-declare ptr @"github.com/goplus/llgo/runtime/internal/runtime.AllocU"(i64)
+declare ptr @"github.com/goplus/llgo/runtime/internal/runtime.AllocU"(i64) #0
 
-declare ptr @"github.com/goplus/llgo/runtime/internal/runtime.MapAssign"(ptr, ptr, ptr)
+declare ptr @"github.com/goplus/llgo/runtime/internal/runtime.MapAssign"(ptr, ptr, ptr) #0
 
-declare ptr @"github.com/goplus/llgo/runtime/internal/runtime.MapAccess1"(ptr, ptr, ptr)
+declare ptr @"github.com/goplus/llgo/runtime/internal/runtime.MapAccess1"(ptr, ptr, ptr) #0
 
-declare i32 @printf(ptr, ...)
+declare i32 @printf(ptr, ...) #0
+
+attributes #0 = { "frame-pointer"="non-leaf" }
diff --git a/cl/_testrt/mapclosure/out.ll b/cl/_testrt/mapclosure/out.ll
index 1882b4431c..76c0dacd11 100644
--- a/cl/_testrt/mapclosure/out.ll
+++ b/cl/_testrt/mapclosure/out.ll
@@ -93,7 +93,7 @@ source_filename = "github.com/goplus/llgo/cl/_testrt/mapclosure"
 @"*_llgo_iface$O6rEVxIuA5O1E0KWpQBCgGx26X5gYhJ_nnJnHVL8_7U" = weak_odr constant %"github.com/goplus/llgo/runtime/abi.PtrType" { %"github.com/goplus/llgo/runtime/abi.Type" { i64 8, i64 8, i32 876051709, i8 10, i8 8, i8 8, i8 54, { ptr, ptr } { ptr @"__llgo_stub.github.com/goplus/llgo/runtime/internal/runtime.memequalptr", ptr null }, ptr null, %"github.com/goplus/llgo/runtime/internal/runtime.String" { ptr @27, i64 29 }, ptr null }, ptr @"_llgo_iface$O6rEVxIuA5O1E0KWpQBCgGx26X5gYhJ_nnJnHVL8_7U" }, align 8
 @28 = private unnamed_addr constant [5 x i8] c"error", align 1
 
-define %"github.com/goplus/llgo/runtime/internal/runtime.String" @"github.com/goplus/llgo/cl/_testrt/mapclosure.demo"(%"github.com/goplus/llgo/runtime/internal/runtime.iface" %0) {
+define %"github.com/goplus/llgo/runtime/internal/runtime.String" @"github.com/goplus/llgo/cl/_testrt/mapclosure.demo"(%"github.com/goplus/llgo/runtime/internal/runtime.iface" %0) #0 {
 _llgo_0:
   %1 = call ptr @"github.com/goplus/llgo/runtime/internal/runtime.IfacePtrData"(%"github.com/goplus/llgo/runtime/internal/runtime.iface" %0)
   %2 = extractvalue %"github.com/goplus/llgo/runtime/internal/runtime.iface" %0, 0
@@ -107,7 +107,7 @@ _llgo_0:
   ret %"github.com/goplus/llgo/runtime/internal/runtime.String" %9
 }
 
-define void @"github.com/goplus/llgo/cl/_testrt/mapclosure.init"() {
+define void @"github.com/goplus/llgo/cl/_testrt/mapclosure.init"() #0 {
 _llgo_0:
   %0 = load i1, ptr @"github.com/goplus/llgo/cl/_testrt/mapclosure.init$guard", align 1
   br i1 %0, label %_llgo_2, label %_llgo_1
@@ -133,7 +133,7 @@ _llgo_2:                                          ; preds = %_llgo_1, %_llgo_0
   ret void
 }
 
-define void @"github.com/goplus/llgo/cl/_testrt/mapclosure.main"() {
+define void @"github.com/goplus/llgo/cl/_testrt/mapclosure.main"() #0 {
 _llgo_0:
   %0 = call ptr @"github.com/goplus/llgo/runtime/internal/runtime.AllocZ"(i64 16)
   %1 = getelementptr inbounds %"github.com/goplus/llgo/cl/_testrt/mapclosure.typ", ptr %0, i32 0, i32 0
@@ -177,73 +177,75 @@ _llgo_2:                                          ; preds = %_llgo_0
   ret void
 }
 
-define %"github.com/goplus/llgo/runtime/internal/runtime.String" @"github.com/goplus/llgo/cl/_testrt/mapclosure.(*typ).String"(ptr %0) {
+define %"github.com/goplus/llgo/runtime/internal/runtime.String" @"github.com/goplus/llgo/cl/_testrt/mapclosure.(*typ).String"(ptr %0) #0 {
 _llgo_0:
   %1 = getelementptr inbounds %"github.com/goplus/llgo/cl/_testrt/mapclosure.typ", ptr %0, i32 0, i32 0
   %2 = load %"github.com/goplus/llgo/runtime/internal/runtime.String", ptr %1, align 8
   ret %"github.com/goplus/llgo/runtime/internal/runtime.String" %2
 }
 
-declare ptr @"github.com/goplus/llgo/runtime/internal/runtime.IfacePtrData"(%"github.com/goplus/llgo/runtime/internal/runtime.iface")
+declare ptr @"github.com/goplus/llgo/runtime/internal/runtime.IfacePtrData"(%"github.com/goplus/llgo/runtime/internal/runtime.iface") #0
 
-declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.memequalptr"(ptr, ptr)
+declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.memequalptr"(ptr, ptr) #0
 
-define linkonce i1 @"__llgo_stub.github.com/goplus/llgo/runtime/internal/runtime.memequalptr"(ptr %0, ptr %1, ptr %2) {
+define linkonce i1 @"__llgo_stub.github.com/goplus/llgo/runtime/internal/runtime.memequalptr"(ptr %0, ptr %1, ptr %2) #0 {
 _llgo_0:
   %3 = tail call i1 @"github.com/goplus/llgo/runtime/internal/runtime.memequalptr"(ptr %1, ptr %2)
   ret i1 %3
 }
 
-declare i64 @"github.com/goplus/llgo/runtime/internal/runtime.typehash"(ptr, ptr, i64)
+declare i64 @"github.com/goplus/llgo/runtime/internal/runtime.typehash"(ptr, ptr, i64) #0
 
-declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.strequal"(ptr, ptr)
+declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.strequal"(ptr, ptr) #0
 
-define linkonce i1 @"__llgo_stub.github.com/goplus/llgo/runtime/internal/runtime.strequal"(ptr %0, ptr %1, ptr %2) {
+define linkonce i1 @"__llgo_stub.github.com/goplus/llgo/runtime/internal/runtime.strequal"(ptr %0, ptr %1, ptr %2) #0 {
 _llgo_0:
   %3 = tail call i1 @"github.com/goplus/llgo/runtime/internal/runtime.strequal"(ptr %1, ptr %2)
   ret i1 %3
 }
 
-declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.interequal"(ptr, ptr)
+declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.interequal"(ptr, ptr) #0
 
-define linkonce i1 @"__llgo_stub.github.com/goplus/llgo/runtime/internal/runtime.interequal"(ptr %0, ptr %1, ptr %2) {
+define linkonce i1 @"__llgo_stub.github.com/goplus/llgo/runtime/internal/runtime.interequal"(ptr %0, ptr %1, ptr %2) #0 {
 _llgo_0:
   %3 = tail call i1 @"github.com/goplus/llgo/runtime/internal/runtime.interequal"(ptr %1, ptr %2)
   ret i1 %3
 }
 
-declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.arrayequal"(ptr, ptr, ptr)
+declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.arrayequal"(ptr, ptr, ptr) #0
 
-declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.memequal8"(ptr, ptr)
+declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.memequal8"(ptr, ptr) #0
 
-define linkonce i1 @"__llgo_stub.github.com/goplus/llgo/runtime/internal/runtime.memequal8"(ptr %0, ptr %1, ptr %2) {
+define linkonce i1 @"__llgo_stub.github.com/goplus/llgo/runtime/internal/runtime.memequal8"(ptr %0, ptr %1, ptr %2) #0 {
 _llgo_0:
   %3 = tail call i1 @"github.com/goplus/llgo/runtime/internal/runtime.memequal8"(ptr %1, ptr %2)
   ret i1 %3
 }
 
-declare ptr @"github.com/goplus/llgo/runtime/internal/runtime.MakeMap"(ptr, i64)
+declare ptr @"github.com/goplus/llgo/runtime/internal/runtime.MakeMap"(ptr, i64) #0
 
-define linkonce %"github.com/goplus/llgo/runtime/internal/runtime.String" @"__llgo_stub.github.com/goplus/llgo/cl/_testrt/mapclosure.demo"(ptr %0, %"github.com/goplus/llgo/runtime/internal/runtime.iface" %1) {
+define linkonce %"github.com/goplus/llgo/runtime/internal/runtime.String" @"__llgo_stub.github.com/goplus/llgo/cl/_testrt/mapclosure.demo"(ptr %0, %"github.com/goplus/llgo/runtime/internal/runtime.iface" %1) #0 {
 _llgo_0:
   %2 = tail call %"github.com/goplus/llgo/runtime/internal/runtime.String" @"github.com/goplus/llgo/cl/_testrt/mapclosure.demo"(%"github.com/goplus/llgo/runtime/internal/runtime.iface" %1)
   ret %"github.com/goplus/llgo/runtime/internal/runtime.String" %2
 }
 
-declare ptr @"github.com/goplus/llgo/runtime/internal/runtime.AllocU"(i64)
+declare ptr @"github.com/goplus/llgo/runtime/internal/runtime.AllocU"(i64) #0
 
-declare ptr @"github.com/goplus/llgo/runtime/internal/runtime.MapAssign"(ptr, ptr, ptr)
+declare ptr @"github.com/goplus/llgo/runtime/internal/runtime.MapAssign"(ptr, ptr, ptr) #0
 
-declare ptr @"github.com/goplus/llgo/runtime/internal/runtime.AllocZ"(i64)
+declare ptr @"github.com/goplus/llgo/runtime/internal/runtime.AllocZ"(i64) #0
 
-declare ptr @"github.com/goplus/llgo/runtime/internal/runtime.MapAccess1"(ptr, ptr, ptr)
+declare ptr @"github.com/goplus/llgo/runtime/internal/runtime.MapAccess1"(ptr, ptr, ptr) #0
 
-declare void @"github.com/goplus/llgo/runtime/internal/runtime.AssertIndexRange"(i1)
+declare void @"github.com/goplus/llgo/runtime/internal/runtime.AssertIndexRange"(i1) #0
 
-declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.structequal"(ptr, ptr, ptr)
+declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.structequal"(ptr, ptr, ptr) #0
 
-declare ptr @"github.com/goplus/llgo/runtime/internal/runtime.NewItab"(ptr, ptr)
+declare ptr @"github.com/goplus/llgo/runtime/internal/runtime.NewItab"(ptr, ptr) #0
 
-declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.StringEqual"(%"github.com/goplus/llgo/runtime/internal/runtime.String", %"github.com/goplus/llgo/runtime/internal/runtime.String")
+declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.StringEqual"(%"github.com/goplus/llgo/runtime/internal/runtime.String", %"github.com/goplus/llgo/runtime/internal/runtime.String") #0
 
-declare void @"github.com/goplus/llgo/runtime/internal/runtime.Panic"(%"github.com/goplus/llgo/runtime/internal/runtime.eface")
+declare void @"github.com/goplus/llgo/runtime/internal/runtime.Panic"(%"github.com/goplus/llgo/runtime/internal/runtime.eface") #0
+
+attributes #0 = { "frame-pointer"="non-leaf" }
diff --git a/cl/_testrt/mask/out.ll b/cl/_testrt/mask/out.ll
index 69664fd4ba..188288e135 100644
--- a/cl/_testrt/mask/out.ll
+++ b/cl/_testrt/mask/out.ll
@@ -3,7 +3,7 @@ source_filename = "github.com/goplus/llgo/cl/_testrt/mask"
 
 @"github.com/goplus/llgo/cl/_testrt/mask.init$guard" = global i1 false, align 1
 
-define void @"github.com/goplus/llgo/cl/_testrt/mask.init"() {
+define void @"github.com/goplus/llgo/cl/_testrt/mask.init"() #0 {
 _llgo_0:
   %0 = load i1, ptr @"github.com/goplus/llgo/cl/_testrt/mask.init$guard", align 1
   br i1 %0, label %_llgo_2, label %_llgo_1
@@ -16,7 +16,7 @@ _llgo_2:                                          ; preds = %_llgo_1, %_llgo_0
   ret void
 }
 
-define void @"github.com/goplus/llgo/cl/_testrt/mask.main"() {
+define void @"github.com/goplus/llgo/cl/_testrt/mask.main"() #0 {
 _llgo_0:
   %0 = call i32 @"github.com/goplus/llgo/cl/_testrt/mask.mask"(i8 1)
   %1 = sext i32 %0 to i64
@@ -59,7 +59,7 @@ _llgo_0:
   ret void
 }
 
-define i32 @"github.com/goplus/llgo/cl/_testrt/mask.mask"(i8 %0) {
+define i32 @"github.com/goplus/llgo/cl/_testrt/mask.mask"(i8 %0) #0 {
 _llgo_0:
   %1 = sext i8 %0 to i32
   %2 = shl i32 %1, 31
@@ -68,7 +68,7 @@ _llgo_0:
   ret i32 %4
 }
 
-define i64 @"github.com/goplus/llgo/cl/_testrt/mask.mask_shl"(i64 %0, i64 %1) {
+define i64 @"github.com/goplus/llgo/cl/_testrt/mask.mask_shl"(i64 %0, i64 %1) #0 {
 _llgo_0:
   %2 = icmp slt i64 %1, 0
   call void @"github.com/goplus/llgo/runtime/internal/runtime.AssertNegativeShift"(i1 %2)
@@ -78,7 +78,7 @@ _llgo_0:
   ret i64 %5
 }
 
-define i8 @"github.com/goplus/llgo/cl/_testrt/mask.mask_shl8"(i8 %0, i64 %1) {
+define i8 @"github.com/goplus/llgo/cl/_testrt/mask.mask_shl8"(i8 %0, i64 %1) #0 {
 _llgo_0:
   %2 = icmp slt i64 %1, 0
   call void @"github.com/goplus/llgo/runtime/internal/runtime.AssertNegativeShift"(i1 %2)
@@ -89,7 +89,7 @@ _llgo_0:
   ret i8 %6
 }
 
-define i8 @"github.com/goplus/llgo/cl/_testrt/mask.mask_shl8u"(i8 %0, i64 %1) {
+define i8 @"github.com/goplus/llgo/cl/_testrt/mask.mask_shl8u"(i8 %0, i64 %1) #0 {
 _llgo_0:
   %2 = icmp slt i64 %1, 0
   call void @"github.com/goplus/llgo/runtime/internal/runtime.AssertNegativeShift"(i1 %2)
@@ -100,7 +100,7 @@ _llgo_0:
   ret i8 %6
 }
 
-define i64 @"github.com/goplus/llgo/cl/_testrt/mask.mask_shr"(i64 %0, i64 %1) {
+define i64 @"github.com/goplus/llgo/cl/_testrt/mask.mask_shr"(i64 %0, i64 %1) #0 {
 _llgo_0:
   %2 = icmp slt i64 %1, 0
   call void @"github.com/goplus/llgo/runtime/internal/runtime.AssertNegativeShift"(i1 %2)
@@ -110,7 +110,7 @@ _llgo_0:
   ret i64 %5
 }
 
-define i8 @"github.com/goplus/llgo/cl/_testrt/mask.mask_shr8"(i8 %0, i64 %1) {
+define i8 @"github.com/goplus/llgo/cl/_testrt/mask.mask_shr8"(i8 %0, i64 %1) #0 {
 _llgo_0:
   %2 = icmp slt i64 %1, 0
   call void @"github.com/goplus/llgo/runtime/internal/runtime.AssertNegativeShift"(i1 %2)
@@ -121,7 +121,7 @@ _llgo_0:
   ret i8 %6
 }
 
-define i8 @"github.com/goplus/llgo/cl/_testrt/mask.mask_shr8u"(i8 %0, i64 %1) {
+define i8 @"github.com/goplus/llgo/cl/_testrt/mask.mask_shr8u"(i8 %0, i64 %1) #0 {
 _llgo_0:
   %2 = icmp slt i64 %1, 0
   call void @"github.com/goplus/llgo/runtime/internal/runtime.AssertNegativeShift"(i1 %2)
@@ -132,10 +132,12 @@ _llgo_0:
   ret i8 %6
 }
 
-declare void @"github.com/goplus/llgo/runtime/internal/runtime.PrintInt"(i64)
+declare void @"github.com/goplus/llgo/runtime/internal/runtime.PrintInt"(i64) #0
 
-declare void @"github.com/goplus/llgo/runtime/internal/runtime.PrintByte"(i8)
+declare void @"github.com/goplus/llgo/runtime/internal/runtime.PrintByte"(i8) #0
 
-declare void @"github.com/goplus/llgo/runtime/internal/runtime.PrintUint"(i64)
+declare void @"github.com/goplus/llgo/runtime/internal/runtime.PrintUint"(i64) #0
 
-declare void @"github.com/goplus/llgo/runtime/internal/runtime.AssertNegativeShift"(i1)
+declare void @"github.com/goplus/llgo/runtime/internal/runtime.AssertNegativeShift"(i1) #0
+
+attributes #0 = { "frame-pointer"="non-leaf" }
diff --git a/cl/_testrt/methodthunk/out.ll b/cl/_testrt/methodthunk/out.ll
index 03d85892cd..68ac2d5a64 100644
--- a/cl/_testrt/methodthunk/out.ll
+++ b/cl/_testrt/methodthunk/out.ll
@@ -70,21 +70,21 @@ source_filename = "github.com/goplus/llgo/cl/_testrt/methodthunk"
 @20 = private unnamed_addr constant [6 x i8] c"string", align 1
 @"*_llgo_string" = weak_odr constant %"github.com/goplus/llgo/runtime/abi.PtrType" { %"github.com/goplus/llgo/runtime/abi.Type" { i64 8, i64 8, i32 -1323879264, i8 10, i8 8, i8 8, i8 54, { ptr, ptr } { ptr @"__llgo_stub.github.com/goplus/llgo/runtime/internal/runtime.memequalptr", ptr null }, ptr null, %"github.com/goplus/llgo/runtime/internal/runtime.String" { ptr @20, i64 6 }, ptr null }, ptr @_llgo_string }, align 8
 
-define i64 @"github.com/goplus/llgo/cl/_testrt/methodthunk.(*InnerInt).M"(ptr %0) {
+define i64 @"github.com/goplus/llgo/cl/_testrt/methodthunk.(*InnerInt).M"(ptr %0) #0 {
 _llgo_0:
   %1 = getelementptr inbounds %"github.com/goplus/llgo/cl/_testrt/methodthunk.InnerInt", ptr %0, i32 0, i32 0
   %2 = load i64, ptr %1, align 4
   ret i64 %2
 }
 
-define i64 @"github.com/goplus/llgo/cl/_testrt/methodthunk.(*OuterInt).M"(ptr %0) {
+define i64 @"github.com/goplus/llgo/cl/_testrt/methodthunk.(*OuterInt).M"(ptr %0) #0 {
 _llgo_0:
   %1 = getelementptr inbounds %"github.com/goplus/llgo/cl/_testrt/methodthunk.OuterInt", ptr %0, i32 0, i32 1
   %2 = call i64 @"github.com/goplus/llgo/cl/_testrt/methodthunk.(*InnerInt).M"(ptr %1)
   ret i64 %2
 }
 
-define void @"github.com/goplus/llgo/cl/_testrt/methodthunk.init"() {
+define void @"github.com/goplus/llgo/cl/_testrt/methodthunk.init"() #0 {
 _llgo_0:
   %0 = load i1, ptr @"github.com/goplus/llgo/cl/_testrt/methodthunk.init$guard", align 1
   br i1 %0, label %_llgo_2, label %_llgo_1
@@ -97,12 +97,12 @@ _llgo_2:                                          ; preds = %_llgo_1, %_llgo_0
   ret void
 }
 
-define void @"github.com/goplus/llgo/cl/_testrt/methodthunk.(*inner).M"(ptr %0) {
+define void @"github.com/goplus/llgo/cl/_testrt/methodthunk.(*inner).M"(ptr %0) #0 {
 _llgo_0:
   ret void
 }
 
-define void @"github.com/goplus/llgo/cl/_testrt/methodthunk.main"() {
+define void @"github.com/goplus/llgo/cl/_testrt/methodthunk.main"() #0 {
 _llgo_0:
   %0 = call ptr @"github.com/goplus/llgo/runtime/internal/runtime.AllocU"(i64 16)
   store { ptr, ptr } { ptr @"__llgo_stub.github.com/goplus/llgo/cl/_testrt/methodthunk.(*outer).M$thunk", ptr null }, ptr %0, align 8
@@ -169,69 +169,71 @@ _llgo_8:                                          ; preds = %_llgo_7, %_llgo_6
   br i1 %24, label %_llgo_1, label %_llgo_2
 }
 
-define void @"github.com/goplus/llgo/cl/_testrt/methodthunk.(*outer).M"(ptr %0) {
+define void @"github.com/goplus/llgo/cl/_testrt/methodthunk.(*outer).M"(ptr %0) #0 {
 _llgo_0:
   ret void
 }
 
-define void @"github.com/goplus/llgo/cl/_testrt/methodthunk.(*outer).M$thunk"(ptr %0) {
+define void @"github.com/goplus/llgo/cl/_testrt/methodthunk.(*outer).M$thunk"(ptr %0) #0 {
 _llgo_0:
   call void @"github.com/goplus/llgo/cl/_testrt/methodthunk.(*outer).M"(ptr %0)
   ret void
 }
 
-define linkonce void @"__llgo_stub.github.com/goplus/llgo/cl/_testrt/methodthunk.(*outer).M$thunk"(ptr %0, ptr %1) {
+define linkonce void @"__llgo_stub.github.com/goplus/llgo/cl/_testrt/methodthunk.(*outer).M$thunk"(ptr %0, ptr %1) #0 {
 _llgo_0:
   tail call void @"github.com/goplus/llgo/cl/_testrt/methodthunk.(*outer).M$thunk"(ptr %1)
   ret void
 }
 
-declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.memequalptr"(ptr, ptr)
+declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.memequalptr"(ptr, ptr) #0
 
-define linkonce i1 @"__llgo_stub.github.com/goplus/llgo/runtime/internal/runtime.memequalptr"(ptr %0, ptr %1, ptr %2) {
+define linkonce i1 @"__llgo_stub.github.com/goplus/llgo/runtime/internal/runtime.memequalptr"(ptr %0, ptr %1, ptr %2) #0 {
 _llgo_0:
   %3 = tail call i1 @"github.com/goplus/llgo/runtime/internal/runtime.memequalptr"(ptr %1, ptr %2)
   ret i1 %3
 }
 
-declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.structequal"(ptr, ptr, ptr)
+declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.structequal"(ptr, ptr, ptr) #0
 
-declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.memequal64"(ptr, ptr)
+declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.memequal64"(ptr, ptr) #0
 
-define linkonce i1 @"__llgo_stub.github.com/goplus/llgo/runtime/internal/runtime.memequal64"(ptr %0, ptr %1, ptr %2) {
+define linkonce i1 @"__llgo_stub.github.com/goplus/llgo/runtime/internal/runtime.memequal64"(ptr %0, ptr %1, ptr %2) #0 {
 _llgo_0:
   %3 = tail call i1 @"github.com/goplus/llgo/runtime/internal/runtime.memequal64"(ptr %1, ptr %2)
   ret i1 %3
 }
 
-declare ptr @"github.com/goplus/llgo/runtime/internal/runtime.AllocU"(i64)
+declare ptr @"github.com/goplus/llgo/runtime/internal/runtime.AllocU"(i64) #0
 
-define i64 @"github.com/goplus/llgo/cl/_testrt/methodthunk.(*InnerInt).M$thunk"(ptr %0) {
+define i64 @"github.com/goplus/llgo/cl/_testrt/methodthunk.(*InnerInt).M$thunk"(ptr %0) #0 {
 _llgo_0:
   %1 = call i64 @"github.com/goplus/llgo/cl/_testrt/methodthunk.(*InnerInt).M"(ptr %0)
   ret i64 %1
 }
 
-define linkonce i64 @"__llgo_stub.github.com/goplus/llgo/cl/_testrt/methodthunk.(*InnerInt).M$thunk"(ptr %0, ptr %1) {
+define linkonce i64 @"__llgo_stub.github.com/goplus/llgo/cl/_testrt/methodthunk.(*InnerInt).M$thunk"(ptr %0, ptr %1) #0 {
 _llgo_0:
   %2 = tail call i64 @"github.com/goplus/llgo/cl/_testrt/methodthunk.(*InnerInt).M$thunk"(ptr %1)
   ret i64 %2
 }
 
-declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.MatchesClosure"(ptr, ptr)
+declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.MatchesClosure"(ptr, ptr) #0
 
-declare void @"github.com/goplus/llgo/runtime/internal/runtime.PrintPointer"(ptr)
+declare void @"github.com/goplus/llgo/runtime/internal/runtime.PrintPointer"(ptr) #0
 
-declare void @"github.com/goplus/llgo/runtime/internal/runtime.PrintByte"(i8)
+declare void @"github.com/goplus/llgo/runtime/internal/runtime.PrintByte"(i8) #0
 
-declare void @"github.com/goplus/llgo/runtime/internal/runtime.PrintBool"(i1)
+declare void @"github.com/goplus/llgo/runtime/internal/runtime.PrintBool"(i1) #0
 
-declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.strequal"(ptr, ptr)
+declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.strequal"(ptr, ptr) #0
 
-define linkonce i1 @"__llgo_stub.github.com/goplus/llgo/runtime/internal/runtime.strequal"(ptr %0, ptr %1, ptr %2) {
+define linkonce i1 @"__llgo_stub.github.com/goplus/llgo/runtime/internal/runtime.strequal"(ptr %0, ptr %1, ptr %2) #0 {
 _llgo_0:
   %3 = tail call i1 @"github.com/goplus/llgo/runtime/internal/runtime.strequal"(ptr %1, ptr %2)
   ret i1 %3
 }
 
-declare void @"github.com/goplus/llgo/runtime/internal/runtime.Panic"(%"github.com/goplus/llgo/runtime/internal/runtime.eface")
+declare void @"github.com/goplus/llgo/runtime/internal/runtime.Panic"(%"github.com/goplus/llgo/runtime/internal/runtime.eface") #0
+
+attributes #0 = { "frame-pointer"="non-leaf" }
diff --git a/cl/_testrt/named/out.ll b/cl/_testrt/named/out.ll
index be3ff8d71e..7acd391632 100644
--- a/cl/_testrt/named/out.ll
+++ b/cl/_testrt/named/out.ll
@@ -8,7 +8,7 @@ source_filename = "github.com/goplus/llgo/cl/_testrt/named"
 @"github.com/goplus/llgo/cl/_testrt/named.init$guard" = global i1 false, align 1
 @0 = private unnamed_addr constant [19 x i8] c"%d %d %d %d %d %d\0A\00", align 1
 
-define void @"github.com/goplus/llgo/cl/_testrt/named.init"() {
+define void @"github.com/goplus/llgo/cl/_testrt/named.init"() #0 {
 _llgo_0:
   %0 = load i1, ptr @"github.com/goplus/llgo/cl/_testrt/named.init$guard", align 1
   br i1 %0, label %_llgo_2, label %_llgo_1
@@ -21,7 +21,7 @@ _llgo_2:                                          ; preds = %_llgo_1, %_llgo_0
   ret void
 }
 
-define void @"github.com/goplus/llgo/cl/_testrt/named.main"() {
+define void @"github.com/goplus/llgo/cl/_testrt/named.main"() #0 {
 _llgo_0:
   %0 = call ptr @"github.com/goplus/llgo/runtime/internal/runtime.AllocZ"(i64 8)
   %1 = call ptr @"github.com/goplus/llgo/runtime/internal/runtime.AllocZ"(i64 64)
@@ -112,7 +112,7 @@ _llgo_0:
   ret void
 }
 
-define i64 @"github.com/goplus/llgo/cl/_testrt/named.main$1"(ptr %0, i64 %1) {
+define i64 @"github.com/goplus/llgo/cl/_testrt/named.main$1"(ptr %0, i64 %1) #0 {
 _llgo_0:
   %2 = load { ptr }, ptr %0, align 8
   %3 = extractvalue { ptr } %2, 0
@@ -123,8 +123,10 @@ _llgo_0:
   ret i64 %7
 }
 
-declare ptr @"github.com/goplus/llgo/runtime/internal/runtime.AllocZ"(i64)
+declare ptr @"github.com/goplus/llgo/runtime/internal/runtime.AllocZ"(i64) #0
 
-declare ptr @"github.com/goplus/llgo/runtime/internal/runtime.AllocU"(i64)
+declare ptr @"github.com/goplus/llgo/runtime/internal/runtime.AllocU"(i64) #0
 
-declare i32 @printf(ptr, ...)
+declare i32 @printf(ptr, ...) #0
+
+attributes #0 = { "frame-pointer"="non-leaf" }
diff --git a/cl/_testrt/namedslice/out.ll b/cl/_testrt/namedslice/out.ll
index 9a077471fd..3853f9e141 100644
--- a/cl/_testrt/namedslice/out.ll
+++ b/cl/_testrt/namedslice/out.ll
@@ -23,7 +23,7 @@ source_filename = "github.com/goplus/llgo/cl/_testrt/namedslice"
 @4 = private unnamed_addr constant [6 x i8] c"string", align 1
 @"*_llgo_string" = weak_odr constant %"github.com/goplus/llgo/runtime/abi.PtrType" { %"github.com/goplus/llgo/runtime/abi.Type" { i64 8, i64 8, i32 -1323879264, i8 10, i8 8, i8 8, i8 54, { ptr, ptr } { ptr @"__llgo_stub.github.com/goplus/llgo/runtime/internal/runtime.memequalptr", ptr null }, ptr null, %"github.com/goplus/llgo/runtime/internal/runtime.String" { ptr @4, i64 6 }, ptr null }, ptr @_llgo_string }, align 8
 
-define void @"github.com/goplus/llgo/cl/_testrt/namedslice.init"() {
+define void @"github.com/goplus/llgo/cl/_testrt/namedslice.init"() #0 {
 _llgo_0:
   %0 = load i1, ptr @"github.com/goplus/llgo/cl/_testrt/namedslice.init$guard", align 1
   br i1 %0, label %_llgo_2, label %_llgo_1
@@ -36,7 +36,7 @@ _llgo_2:                                          ; preds = %_llgo_1, %_llgo_0
   ret void
 }
 
-define void @"github.com/goplus/llgo/cl/_testrt/namedslice.main"() {
+define void @"github.com/goplus/llgo/cl/_testrt/namedslice.main"() #0 {
 _llgo_0:
   %0 = call ptr @"github.com/goplus/llgo/runtime/internal/runtime.AllocZ"(i64 0)
   %1 = insertvalue %"github.com/goplus/llgo/runtime/internal/runtime.Slice" undef, ptr %0, 0
@@ -76,32 +76,34 @@ _llgo_5:                                          ; preds = %_llgo_4, %_llgo_3
   br i1 %16, label %_llgo_2, label %_llgo_1
 }
 
-declare ptr @"github.com/goplus/llgo/runtime/internal/runtime.AllocZ"(i64)
+declare ptr @"github.com/goplus/llgo/runtime/internal/runtime.AllocZ"(i64) #0
 
-declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.memequalptr"(ptr, ptr)
+declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.memequalptr"(ptr, ptr) #0
 
-define linkonce i1 @"__llgo_stub.github.com/goplus/llgo/runtime/internal/runtime.memequalptr"(ptr %0, ptr %1, ptr %2) {
+define linkonce i1 @"__llgo_stub.github.com/goplus/llgo/runtime/internal/runtime.memequalptr"(ptr %0, ptr %1, ptr %2) #0 {
 _llgo_0:
   %3 = tail call i1 @"github.com/goplus/llgo/runtime/internal/runtime.memequalptr"(ptr %1, ptr %2)
   ret i1 %3
 }
 
-declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.memequal8"(ptr, ptr)
+declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.memequal8"(ptr, ptr) #0
 
-define linkonce i1 @"__llgo_stub.github.com/goplus/llgo/runtime/internal/runtime.memequal8"(ptr %0, ptr %1, ptr %2) {
+define linkonce i1 @"__llgo_stub.github.com/goplus/llgo/runtime/internal/runtime.memequal8"(ptr %0, ptr %1, ptr %2) #0 {
 _llgo_0:
   %3 = tail call i1 @"github.com/goplus/llgo/runtime/internal/runtime.memequal8"(ptr %1, ptr %2)
   ret i1 %3
 }
 
-declare ptr @"github.com/goplus/llgo/runtime/internal/runtime.AllocU"(i64)
+declare ptr @"github.com/goplus/llgo/runtime/internal/runtime.AllocU"(i64) #0
 
-declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.strequal"(ptr, ptr)
+declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.strequal"(ptr, ptr) #0
 
-define linkonce i1 @"__llgo_stub.github.com/goplus/llgo/runtime/internal/runtime.strequal"(ptr %0, ptr %1, ptr %2) {
+define linkonce i1 @"__llgo_stub.github.com/goplus/llgo/runtime/internal/runtime.strequal"(ptr %0, ptr %1, ptr %2) #0 {
 _llgo_0:
   %3 = tail call i1 @"github.com/goplus/llgo/runtime/internal/runtime.strequal"(ptr %1, ptr %2)
   ret i1 %3
 }
 
-declare void @"github.com/goplus/llgo/runtime/internal/runtime.Panic"(%"github.com/goplus/llgo/runtime/internal/runtime.eface")
+declare void @"github.com/goplus/llgo/runtime/internal/runtime.Panic"(%"github.com/goplus/llgo/runtime/internal/runtime.eface") #0
+
+attributes #0 = { "frame-pointer"="non-leaf" }
diff --git a/cl/_testrt/panic/out.ll b/cl/_testrt/panic/out.ll
index 8b6ef551e9..f16cb60610 100644
--- a/cl/_testrt/panic/out.ll
+++ b/cl/_testrt/panic/out.ll
@@ -12,7 +12,7 @@ source_filename = "github.com/goplus/llgo/cl/_testrt/panic"
 @1 = private unnamed_addr constant [6 x i8] c"string", align 1
 @"*_llgo_string" = weak_odr constant %"github.com/goplus/llgo/runtime/abi.PtrType" { %"github.com/goplus/llgo/runtime/abi.Type" { i64 8, i64 8, i32 -1323879264, i8 10, i8 8, i8 8, i8 54, { ptr, ptr } { ptr @"__llgo_stub.github.com/goplus/llgo/runtime/internal/runtime.memequalptr", ptr null }, ptr null, %"github.com/goplus/llgo/runtime/internal/runtime.String" { ptr @1, i64 6 }, ptr null }, ptr @_llgo_string }, align 8
 
-define void @"github.com/goplus/llgo/cl/_testrt/panic.init"() {
+define void @"github.com/goplus/llgo/cl/_testrt/panic.init"() #0 {
 _llgo_0:
   %0 = load i1, ptr @"github.com/goplus/llgo/cl/_testrt/panic.init$guard", align 1
   br i1 %0, label %_llgo_2, label %_llgo_1
@@ -25,7 +25,7 @@ _llgo_2:                                          ; preds = %_llgo_1, %_llgo_0
   ret void
 }
 
-define void @"github.com/goplus/llgo/cl/_testrt/panic.main"() {
+define void @"github.com/goplus/llgo/cl/_testrt/panic.main"() #0 {
 _llgo_0:
   %0 = call ptr @"github.com/goplus/llgo/runtime/internal/runtime.AllocU"(i64 16)
   store %"github.com/goplus/llgo/runtime/internal/runtime.String" { ptr @0, i64 13 }, ptr %0, align 8
@@ -34,22 +34,24 @@ _llgo_0:
   unreachable
 }
 
-declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.strequal"(ptr, ptr)
+declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.strequal"(ptr, ptr) #0
 
-define linkonce i1 @"__llgo_stub.github.com/goplus/llgo/runtime/internal/runtime.strequal"(ptr %0, ptr %1, ptr %2) {
+define linkonce i1 @"__llgo_stub.github.com/goplus/llgo/runtime/internal/runtime.strequal"(ptr %0, ptr %1, ptr %2) #0 {
 _llgo_0:
   %3 = tail call i1 @"github.com/goplus/llgo/runtime/internal/runtime.strequal"(ptr %1, ptr %2)
   ret i1 %3
 }
 
-declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.memequalptr"(ptr, ptr)
+declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.memequalptr"(ptr, ptr) #0
 
-define linkonce i1 @"__llgo_stub.github.com/goplus/llgo/runtime/internal/runtime.memequalptr"(ptr %0, ptr %1, ptr %2) {
+define linkonce i1 @"__llgo_stub.github.com/goplus/llgo/runtime/internal/runtime.memequalptr"(ptr %0, ptr %1, ptr %2) #0 {
 _llgo_0:
   %3 = tail call i1 @"github.com/goplus/llgo/runtime/internal/runtime.memequalptr"(ptr %1, ptr %2)
   ret i1 %3
 }
 
-declare ptr @"github.com/goplus/llgo/runtime/internal/runtime.AllocU"(i64)
+declare ptr @"github.com/goplus/llgo/runtime/internal/runtime.AllocU"(i64) #0
 
-declare void @"github.com/goplus/llgo/runtime/internal/runtime.Panic"(%"github.com/goplus/llgo/runtime/internal/runtime.eface")
+declare void @"github.com/goplus/llgo/runtime/internal/runtime.Panic"(%"github.com/goplus/llgo/runtime/internal/runtime.eface") #0
+
+attributes #0 = { "frame-pointer"="non-leaf" }
diff --git a/cl/_testrt/qsort/out.ll b/cl/_testrt/qsort/out.ll
index f0649acc11..674d985ef3 100644
--- a/cl/_testrt/qsort/out.ll
+++ b/cl/_testrt/qsort/out.ll
@@ -4,7 +4,7 @@ source_filename = "github.com/goplus/llgo/cl/_testrt/qsort"
 @"github.com/goplus/llgo/cl/_testrt/qsort.init$guard" = global i1 false, align 1
 @0 = private unnamed_addr constant [4 x i8] c"%d\0A\00", align 1
 
-define void @"github.com/goplus/llgo/cl/_testrt/qsort.init"() {
+define void @"github.com/goplus/llgo/cl/_testrt/qsort.init"() #0 {
 _llgo_0:
   %0 = load i1, ptr @"github.com/goplus/llgo/cl/_testrt/qsort.init$guard", align 1
   br i1 %0, label %_llgo_2, label %_llgo_1
@@ -17,7 +17,7 @@ _llgo_2:                                          ; preds = %_llgo_1, %_llgo_0
   ret void
 }
 
-define void @"github.com/goplus/llgo/cl/_testrt/qsort.main"() {
+define void @"github.com/goplus/llgo/cl/_testrt/qsort.main"() #0 {
 _llgo_0:
   %0 = call ptr @"github.com/goplus/llgo/runtime/internal/runtime.AllocZ"(i64 40)
   %1 = getelementptr inbounds i64, ptr %0, i64 0
@@ -55,7 +55,7 @@ _llgo_3:                                          ; preds = %_llgo_1
   ret void
 }
 
-define i32 @"github.com/goplus/llgo/cl/_testrt/qsort.main$1"(ptr %0, ptr %1) {
+define i32 @"github.com/goplus/llgo/cl/_testrt/qsort.main$1"(ptr %0, ptr %1) #0 {
 _llgo_0:
   %2 = load i64, ptr %0, align 4
   %3 = load i64, ptr %1, align 4
@@ -64,10 +64,12 @@ _llgo_0:
   ret i32 %5
 }
 
-declare ptr @"github.com/goplus/llgo/runtime/internal/runtime.AllocZ"(i64)
+declare ptr @"github.com/goplus/llgo/runtime/internal/runtime.AllocZ"(i64) #0
 
-declare void @qsort(ptr, i64, i64, ptr)
+declare void @qsort(ptr, i64, i64, ptr) #0
 
-declare void @"github.com/goplus/llgo/runtime/internal/runtime.AssertIndexRange"(i1)
+declare void @"github.com/goplus/llgo/runtime/internal/runtime.AssertIndexRange"(i1) #0
 
-declare i32 @printf(ptr, ...)
+declare i32 @printf(ptr, ...) #0
+
+attributes #0 = { "frame-pointer"="non-leaf" }
diff --git a/cl/_testrt/qsortfn/out.ll b/cl/_testrt/qsortfn/out.ll
index 674656afdd..76bab551e8 100644
--- a/cl/_testrt/qsortfn/out.ll
+++ b/cl/_testrt/qsortfn/out.ll
@@ -23,7 +23,7 @@ source_filename = "github.com/goplus/llgo/cl/_testrt/qsortfn"
 @18 = private unnamed_addr constant [22 x i8] c"Comp => qsort.Comp()\0A\00", align 1
 @19 = private unnamed_addr constant [4 x i8] c"%d\0A\00", align 1
 
-define void @"github.com/goplus/llgo/cl/_testrt/qsortfn.init"() {
+define void @"github.com/goplus/llgo/cl/_testrt/qsortfn.init"() #0 {
 _llgo_0:
   %0 = load i1, ptr @"github.com/goplus/llgo/cl/_testrt/qsortfn.init$guard", align 1
   br i1 %0, label %_llgo_2, label %_llgo_1
@@ -36,7 +36,7 @@ _llgo_2:                                          ; preds = %_llgo_1, %_llgo_0
   ret void
 }
 
-define void @"github.com/goplus/llgo/cl/_testrt/qsortfn.main"() {
+define void @"github.com/goplus/llgo/cl/_testrt/qsortfn.main"() #0 {
 _llgo_0:
   call void @"github.com/goplus/llgo/cl/_testrt/qsortfn.sort1a"()
   call void @"github.com/goplus/llgo/cl/_testrt/qsortfn.sort1b"()
@@ -51,7 +51,7 @@ _llgo_0:
   ret void
 }
 
-define void @"github.com/goplus/llgo/cl/_testrt/qsortfn.sort1a"() {
+define void @"github.com/goplus/llgo/cl/_testrt/qsortfn.sort1a"() #0 {
 _llgo_0:
   %0 = call i32 (ptr, ...) @printf(ptr @0)
   %1 = call ptr @"github.com/goplus/llgo/runtime/internal/runtime.AllocZ"(i64 40)
@@ -90,7 +90,7 @@ _llgo_3:                                          ; preds = %_llgo_1
   ret void
 }
 
-define i32 @"github.com/goplus/llgo/cl/_testrt/qsortfn.sort1a$1"(ptr %0, ptr %1) {
+define i32 @"github.com/goplus/llgo/cl/_testrt/qsortfn.sort1a$1"(ptr %0, ptr %1) #0 {
 _llgo_0:
   %2 = load i64, ptr %0, align 4
   %3 = load i64, ptr %1, align 4
@@ -99,7 +99,7 @@ _llgo_0:
   ret i32 %5
 }
 
-define void @"github.com/goplus/llgo/cl/_testrt/qsortfn.sort1b"() {
+define void @"github.com/goplus/llgo/cl/_testrt/qsortfn.sort1b"() #0 {
 _llgo_0:
   %0 = call i32 (ptr, ...) @printf(ptr @2)
   %1 = call ptr @"github.com/goplus/llgo/runtime/internal/runtime.AllocZ"(i64 40)
@@ -138,7 +138,7 @@ _llgo_3:                                          ; preds = %_llgo_1
   ret void
 }
 
-define i32 @"github.com/goplus/llgo/cl/_testrt/qsortfn.sort1b$1"(ptr %0, ptr %1) {
+define i32 @"github.com/goplus/llgo/cl/_testrt/qsortfn.sort1b$1"(ptr %0, ptr %1) #0 {
 _llgo_0:
   %2 = load i64, ptr %0, align 4
   %3 = load i64, ptr %1, align 4
@@ -147,7 +147,7 @@ _llgo_0:
   ret i32 %5
 }
 
-define void @"github.com/goplus/llgo/cl/_testrt/qsortfn.sort2a"() {
+define void @"github.com/goplus/llgo/cl/_testrt/qsortfn.sort2a"() #0 {
 _llgo_0:
   %0 = call i32 (ptr, ...) @printf(ptr @4)
   %1 = call ptr @"github.com/goplus/llgo/runtime/internal/runtime.AllocZ"(i64 40)
@@ -186,7 +186,7 @@ _llgo_3:                                          ; preds = %_llgo_1
   ret void
 }
 
-define i32 @"github.com/goplus/llgo/cl/_testrt/qsortfn.sort2a$1"(ptr %0, ptr %1) {
+define i32 @"github.com/goplus/llgo/cl/_testrt/qsortfn.sort2a$1"(ptr %0, ptr %1) #0 {
 _llgo_0:
   %2 = load i64, ptr %0, align 4
   %3 = load i64, ptr %1, align 4
@@ -195,7 +195,7 @@ _llgo_0:
   ret i32 %5
 }
 
-define void @"github.com/goplus/llgo/cl/_testrt/qsortfn.sort2b"() {
+define void @"github.com/goplus/llgo/cl/_testrt/qsortfn.sort2b"() #0 {
 _llgo_0:
   %0 = call i32 (ptr, ...) @printf(ptr @6)
   %1 = call ptr @"github.com/goplus/llgo/runtime/internal/runtime.AllocZ"(i64 40)
@@ -234,7 +234,7 @@ _llgo_3:                                          ; preds = %_llgo_1
   ret void
 }
 
-define i32 @"github.com/goplus/llgo/cl/_testrt/qsortfn.sort2b$1"(ptr %0, ptr %1) {
+define i32 @"github.com/goplus/llgo/cl/_testrt/qsortfn.sort2b$1"(ptr %0, ptr %1) #0 {
 _llgo_0:
   %2 = load i64, ptr %0, align 4
   %3 = load i64, ptr %1, align 4
@@ -243,7 +243,7 @@ _llgo_0:
   ret i32 %5
 }
 
-define void @"github.com/goplus/llgo/cl/_testrt/qsortfn.sort3a"() {
+define void @"github.com/goplus/llgo/cl/_testrt/qsortfn.sort3a"() #0 {
 _llgo_0:
   %0 = call i32 (ptr, ...) @printf(ptr @8)
   %1 = call ptr @"github.com/goplus/llgo/runtime/internal/runtime.AllocZ"(i64 40)
@@ -282,7 +282,7 @@ _llgo_3:                                          ; preds = %_llgo_1
   ret void
 }
 
-define i32 @"github.com/goplus/llgo/cl/_testrt/qsortfn.sort3a$1"(ptr %0, ptr %1) {
+define i32 @"github.com/goplus/llgo/cl/_testrt/qsortfn.sort3a$1"(ptr %0, ptr %1) #0 {
 _llgo_0:
   %2 = load i64, ptr %0, align 4
   %3 = load i64, ptr %1, align 4
@@ -291,7 +291,7 @@ _llgo_0:
   ret i32 %5
 }
 
-define void @"github.com/goplus/llgo/cl/_testrt/qsortfn.sort3b"() {
+define void @"github.com/goplus/llgo/cl/_testrt/qsortfn.sort3b"() #0 {
 _llgo_0:
   %0 = call i32 (ptr, ...) @printf(ptr @10)
   %1 = call ptr @"github.com/goplus/llgo/runtime/internal/runtime.AllocZ"(i64 40)
@@ -330,7 +330,7 @@ _llgo_3:                                          ; preds = %_llgo_1
   ret void
 }
 
-define i32 @"github.com/goplus/llgo/cl/_testrt/qsortfn.sort3b$1"(ptr %0, ptr %1) {
+define i32 @"github.com/goplus/llgo/cl/_testrt/qsortfn.sort3b$1"(ptr %0, ptr %1) #0 {
 _llgo_0:
   %2 = load i64, ptr %0, align 4
   %3 = load i64, ptr %1, align 4
@@ -339,7 +339,7 @@ _llgo_0:
   ret i32 %5
 }
 
-define void @"github.com/goplus/llgo/cl/_testrt/qsortfn.sort4a"() {
+define void @"github.com/goplus/llgo/cl/_testrt/qsortfn.sort4a"() #0 {
 _llgo_0:
   %0 = call i32 (ptr, ...) @printf(ptr @12)
   %1 = call ptr @"github.com/goplus/llgo/runtime/internal/runtime.AllocZ"(i64 40)
@@ -378,7 +378,7 @@ _llgo_3:                                          ; preds = %_llgo_1
   ret void
 }
 
-define i32 @"github.com/goplus/llgo/cl/_testrt/qsortfn.sort4a$1"(ptr %0, ptr %1) {
+define i32 @"github.com/goplus/llgo/cl/_testrt/qsortfn.sort4a$1"(ptr %0, ptr %1) #0 {
 _llgo_0:
   %2 = load i64, ptr %0, align 4
   %3 = load i64, ptr %1, align 4
@@ -387,7 +387,7 @@ _llgo_0:
   ret i32 %5
 }
 
-define void @"github.com/goplus/llgo/cl/_testrt/qsortfn.sort4b"() {
+define void @"github.com/goplus/llgo/cl/_testrt/qsortfn.sort4b"() #0 {
 _llgo_0:
   %0 = call i32 (ptr, ...) @printf(ptr @14)
   %1 = call ptr @"github.com/goplus/llgo/runtime/internal/runtime.AllocZ"(i64 40)
@@ -426,7 +426,7 @@ _llgo_3:                                          ; preds = %_llgo_1
   ret void
 }
 
-define i32 @"github.com/goplus/llgo/cl/_testrt/qsortfn.sort4b$1"(ptr %0, ptr %1) {
+define i32 @"github.com/goplus/llgo/cl/_testrt/qsortfn.sort4b$1"(ptr %0, ptr %1) #0 {
 _llgo_0:
   %2 = load i64, ptr %0, align 4
   %3 = load i64, ptr %1, align 4
@@ -435,7 +435,7 @@ _llgo_0:
   ret i32 %5
 }
 
-define void @"github.com/goplus/llgo/cl/_testrt/qsortfn.sort5a"() {
+define void @"github.com/goplus/llgo/cl/_testrt/qsortfn.sort5a"() #0 {
 _llgo_0:
   %0 = call i32 (ptr, ...) @printf(ptr @16)
   %1 = call ptr @"github.com/goplus/llgo/runtime/internal/runtime.AllocZ"(i64 40)
@@ -474,7 +474,7 @@ _llgo_3:                                          ; preds = %_llgo_1
   ret void
 }
 
-define i32 @"github.com/goplus/llgo/cl/_testrt/qsortfn.sort5a$1"(ptr %0, ptr %1) {
+define i32 @"github.com/goplus/llgo/cl/_testrt/qsortfn.sort5a$1"(ptr %0, ptr %1) #0 {
 _llgo_0:
   %2 = load i64, ptr %0, align 4
   %3 = load i64, ptr %1, align 4
@@ -483,7 +483,7 @@ _llgo_0:
   ret i32 %5
 }
 
-define void @"github.com/goplus/llgo/cl/_testrt/qsortfn.sort5b"() {
+define void @"github.com/goplus/llgo/cl/_testrt/qsortfn.sort5b"() #0 {
 _llgo_0:
   %0 = call i32 (ptr, ...) @printf(ptr @18)
   %1 = call ptr @"github.com/goplus/llgo/runtime/internal/runtime.AllocZ"(i64 40)
@@ -522,7 +522,7 @@ _llgo_3:                                          ; preds = %_llgo_1
   ret void
 }
 
-define i32 @"github.com/goplus/llgo/cl/_testrt/qsortfn.sort5b$1"(ptr %0, ptr %1) {
+define i32 @"github.com/goplus/llgo/cl/_testrt/qsortfn.sort5b$1"(ptr %0, ptr %1) #0 {
 _llgo_0:
   %2 = load i64, ptr %0, align 4
   %3 = load i64, ptr %1, align 4
@@ -531,10 +531,12 @@ _llgo_0:
   ret i32 %5
 }
 
-declare i32 @printf(ptr, ...)
+declare i32 @printf(ptr, ...) #0
 
-declare ptr @"github.com/goplus/llgo/runtime/internal/runtime.AllocZ"(i64)
+declare ptr @"github.com/goplus/llgo/runtime/internal/runtime.AllocZ"(i64) #0
 
-declare void @qsort(ptr, i64, i64, ptr)
+declare void @qsort(ptr, i64, i64, ptr) #0
 
-declare void @"github.com/goplus/llgo/runtime/internal/runtime.AssertIndexRange"(i1)
+declare void @"github.com/goplus/llgo/runtime/internal/runtime.AssertIndexRange"(i1) #0
+
+attributes #0 = { "frame-pointer"="non-leaf" }
diff --git a/cl/_testrt/result/out.ll b/cl/_testrt/result/out.ll
index 3131c70471..f4665db3c1 100644
--- a/cl/_testrt/result/out.ll
+++ b/cl/_testrt/result/out.ll
@@ -6,29 +6,29 @@ source_filename = "github.com/goplus/llgo/cl/_testrt/result"
 @1 = private unnamed_addr constant [4 x i8] c"%d\0A\00", align 1
 @2 = private unnamed_addr constant [7 x i8] c"%d %d\0A\00", align 1
 
-define { ptr, ptr } @"github.com/goplus/llgo/cl/_testrt/result.add"() {
+define { ptr, ptr } @"github.com/goplus/llgo/cl/_testrt/result.add"() #0 {
 _llgo_0:
   ret { ptr, ptr } { ptr @"__llgo_stub.github.com/goplus/llgo/cl/_testrt/result.add$1", ptr null }
 }
 
-define i64 @"github.com/goplus/llgo/cl/_testrt/result.add$1"(i64 %0, i64 %1) {
+define i64 @"github.com/goplus/llgo/cl/_testrt/result.add$1"(i64 %0, i64 %1) #0 {
 _llgo_0:
   %2 = add i64 %0, %1
   ret i64 %2
 }
 
-define { { ptr, ptr }, i64 } @"github.com/goplus/llgo/cl/_testrt/result.add2"() {
+define { { ptr, ptr }, i64 } @"github.com/goplus/llgo/cl/_testrt/result.add2"() #0 {
 _llgo_0:
   ret { { ptr, ptr }, i64 } { { ptr, ptr } { ptr @"__llgo_stub.github.com/goplus/llgo/cl/_testrt/result.add2$1", ptr null }, i64 1 }
 }
 
-define i64 @"github.com/goplus/llgo/cl/_testrt/result.add2$1"(i64 %0, i64 %1) {
+define i64 @"github.com/goplus/llgo/cl/_testrt/result.add2$1"(i64 %0, i64 %1) #0 {
 _llgo_0:
   %2 = add i64 %0, %1
   ret i64 %2
 }
 
-define void @"github.com/goplus/llgo/cl/_testrt/result.init"() {
+define void @"github.com/goplus/llgo/cl/_testrt/result.init"() #0 {
 _llgo_0:
   %0 = load i1, ptr @"github.com/goplus/llgo/cl/_testrt/result.init$guard", align 1
   br i1 %0, label %_llgo_2, label %_llgo_1
@@ -41,7 +41,7 @@ _llgo_2:                                          ; preds = %_llgo_1, %_llgo_0
   ret void
 }
 
-define void @"github.com/goplus/llgo/cl/_testrt/result.main"() {
+define void @"github.com/goplus/llgo/cl/_testrt/result.main"() #0 {
 _llgo_0:
   %0 = call { ptr, ptr } @"github.com/goplus/llgo/cl/_testrt/result.main$1"()
   %1 = extractvalue { ptr, ptr } %0, 1
@@ -64,33 +64,35 @@ _llgo_0:
   ret void
 }
 
-define { ptr, ptr } @"github.com/goplus/llgo/cl/_testrt/result.main$1"() {
+define { ptr, ptr } @"github.com/goplus/llgo/cl/_testrt/result.main$1"() #0 {
 _llgo_0:
   ret { ptr, ptr } { ptr @"__llgo_stub.github.com/goplus/llgo/cl/_testrt/result.main$1$1", ptr null }
 }
 
-define i64 @"github.com/goplus/llgo/cl/_testrt/result.main$1$1"(i64 %0, i64 %1) {
+define i64 @"github.com/goplus/llgo/cl/_testrt/result.main$1$1"(i64 %0, i64 %1) #0 {
 _llgo_0:
   %2 = add i64 %0, %1
   ret i64 %2
 }
 
-define linkonce i64 @"__llgo_stub.github.com/goplus/llgo/cl/_testrt/result.add$1"(ptr %0, i64 %1, i64 %2) {
+define linkonce i64 @"__llgo_stub.github.com/goplus/llgo/cl/_testrt/result.add$1"(ptr %0, i64 %1, i64 %2) #0 {
 _llgo_0:
   %3 = tail call i64 @"github.com/goplus/llgo/cl/_testrt/result.add$1"(i64 %1, i64 %2)
   ret i64 %3
 }
 
-define linkonce i64 @"__llgo_stub.github.com/goplus/llgo/cl/_testrt/result.add2$1"(ptr %0, i64 %1, i64 %2) {
+define linkonce i64 @"__llgo_stub.github.com/goplus/llgo/cl/_testrt/result.add2$1"(ptr %0, i64 %1, i64 %2) #0 {
 _llgo_0:
   %3 = tail call i64 @"github.com/goplus/llgo/cl/_testrt/result.add2$1"(i64 %1, i64 %2)
   ret i64 %3
 }
 
-declare i32 @printf(ptr, ...)
+declare i32 @printf(ptr, ...) #0
 
-define linkonce i64 @"__llgo_stub.github.com/goplus/llgo/cl/_testrt/result.main$1$1"(ptr %0, i64 %1, i64 %2) {
+define linkonce i64 @"__llgo_stub.github.com/goplus/llgo/cl/_testrt/result.main$1$1"(ptr %0, i64 %1, i64 %2) #0 {
 _llgo_0:
   %3 = tail call i64 @"github.com/goplus/llgo/cl/_testrt/result.main$1$1"(i64 %1, i64 %2)
   ret i64 %3
 }
+
+attributes #0 = { "frame-pointer"="non-leaf" }
diff --git a/cl/_testrt/slice2array/out.ll b/cl/_testrt/slice2array/out.ll
index d2160ff927..8329d706df 100644
--- a/cl/_testrt/slice2array/out.ll
+++ b/cl/_testrt/slice2array/out.ll
@@ -5,7 +5,7 @@ source_filename = "github.com/goplus/llgo/cl/_testrt/slice2array"
 
 @"github.com/goplus/llgo/cl/_testrt/slice2array.init$guard" = global i1 false, align 1
 
-define void @"github.com/goplus/llgo/cl/_testrt/slice2array.init"() {
+define void @"github.com/goplus/llgo/cl/_testrt/slice2array.init"() #0 {
 _llgo_0:
   %0 = load i1, ptr @"github.com/goplus/llgo/cl/_testrt/slice2array.init$guard", align 1
   br i1 %0, label %_llgo_2, label %_llgo_1
@@ -18,7 +18,7 @@ _llgo_2:                                          ; preds = %_llgo_1, %_llgo_0
   ret void
 }
 
-define void @"github.com/goplus/llgo/cl/_testrt/slice2array.main"() {
+define void @"github.com/goplus/llgo/cl/_testrt/slice2array.main"() #0 {
 _llgo_0:
   %0 = call ptr @"github.com/goplus/llgo/runtime/internal/runtime.AllocZ"(i64 4)
   %1 = getelementptr inbounds i8, ptr %0, i64 0
@@ -98,15 +98,16 @@ _llgo_4:                                          ; preds = %_llgo_3, %_llgo_2
   ret void
 }
 
-declare ptr @"github.com/goplus/llgo/runtime/internal/runtime.AllocZ"(i64)
+declare ptr @"github.com/goplus/llgo/runtime/internal/runtime.AllocZ"(i64) #0
 
-declare void @"github.com/goplus/llgo/runtime/internal/runtime.PanicSliceConvert"(i64, i64)
+declare void @"github.com/goplus/llgo/runtime/internal/runtime.PanicSliceConvert"(i64, i64) #0
 
-declare void @"github.com/goplus/llgo/runtime/internal/runtime.PrintBool"(i1)
+declare void @"github.com/goplus/llgo/runtime/internal/runtime.PrintBool"(i1) #0
 
-declare void @"github.com/goplus/llgo/runtime/internal/runtime.PrintByte"(i8)
+declare void @"github.com/goplus/llgo/runtime/internal/runtime.PrintByte"(i8) #0
 
 ; Function Attrs: nocallback nofree nounwind willreturn memory(argmem: write)
-declare void @llvm.memset(ptr nocapture writeonly, i8, i64, i1 immarg) #0
+declare void @llvm.memset(ptr nocapture writeonly, i8, i64, i1 immarg) #1
 
-attributes #0 = { nocallback nofree nounwind willreturn memory(argmem: write) }
+attributes #0 = { "frame-pointer"="non-leaf" }
+attributes #1 = { nocallback nofree nounwind willreturn memory(argmem: write) "frame-pointer"="non-leaf" }
diff --git a/cl/_testrt/slicelen/out.ll b/cl/_testrt/slicelen/out.ll
index ed227745c9..bee18cdd5d 100644
--- a/cl/_testrt/slicelen/out.ll
+++ b/cl/_testrt/slicelen/out.ll
@@ -6,7 +6,7 @@ source_filename = "github.com/goplus/llgo/cl/_testrt/slicelen"
 @"github.com/goplus/llgo/cl/_testrt/slicelen.init$guard" = global i1 false, align 1
 @0 = private unnamed_addr constant [7 x i8] c"len > 0", align 1
 
-define void @"github.com/goplus/llgo/cl/_testrt/slicelen.init"() {
+define void @"github.com/goplus/llgo/cl/_testrt/slicelen.init"() #0 {
 _llgo_0:
   %0 = load i1, ptr @"github.com/goplus/llgo/cl/_testrt/slicelen.init$guard", align 1
   br i1 %0, label %_llgo_2, label %_llgo_1
@@ -19,7 +19,7 @@ _llgo_2:                                          ; preds = %_llgo_1, %_llgo_0
   ret void
 }
 
-define void @"github.com/goplus/llgo/cl/_testrt/slicelen.main"() {
+define void @"github.com/goplus/llgo/cl/_testrt/slicelen.main"() #0 {
 _llgo_0:
   call void @"github.com/goplus/llgo/runtime/internal/runtime.PrintInt"(i64 0)
   call void @"github.com/goplus/llgo/runtime/internal/runtime.PrintByte"(i8 10)
@@ -34,8 +34,10 @@ _llgo_2:                                          ; preds = %_llgo_1, %_llgo_0
   ret void
 }
 
-declare void @"github.com/goplus/llgo/runtime/internal/runtime.PrintInt"(i64)
+declare void @"github.com/goplus/llgo/runtime/internal/runtime.PrintInt"(i64) #0
 
-declare void @"github.com/goplus/llgo/runtime/internal/runtime.PrintByte"(i8)
+declare void @"github.com/goplus/llgo/runtime/internal/runtime.PrintByte"(i8) #0
 
-declare void @"github.com/goplus/llgo/runtime/internal/runtime.PrintString"(%"github.com/goplus/llgo/runtime/internal/runtime.String")
+declare void @"github.com/goplus/llgo/runtime/internal/runtime.PrintString"(%"github.com/goplus/llgo/runtime/internal/runtime.String") #0
+
+attributes #0 = { "frame-pointer"="non-leaf" }
diff --git a/cl/_testrt/stacksave/out.ll b/cl/_testrt/stacksave/out.ll
index 1622ee903a..028e9c93ef 100644
--- a/cl/_testrt/stacksave/out.ll
+++ b/cl/_testrt/stacksave/out.ll
@@ -3,7 +3,7 @@ source_filename = "github.com/goplus/llgo/cl/_testrt/stacksave"
 
 @"github.com/goplus/llgo/cl/_testrt/stacksave.init$guard" = global i1 false, align 1
 
-define void @"github.com/goplus/llgo/cl/_testrt/stacksave.init"() {
+define void @"github.com/goplus/llgo/cl/_testrt/stacksave.init"() #0 {
 _llgo_0:
   %0 = load i1, ptr @"github.com/goplus/llgo/cl/_testrt/stacksave.init$guard", align 1
   br i1 %0, label %_llgo_2, label %_llgo_1
@@ -16,7 +16,7 @@ _llgo_2:                                          ; preds = %_llgo_1, %_llgo_0
   ret void
 }
 
-define void @"github.com/goplus/llgo/cl/_testrt/stacksave.main"() {
+define void @"github.com/goplus/llgo/cl/_testrt/stacksave.main"() #0 {
 _llgo_0:
   %0 = call ptr @llvm.stacksave()
   call void @"github.com/goplus/llgo/runtime/internal/runtime.PrintPointer"(ptr %0)
@@ -25,10 +25,11 @@ _llgo_0:
 }
 
 ; Function Attrs: nocallback nofree nosync nounwind willreturn
-declare ptr @llvm.stacksave() #0
+declare ptr @llvm.stacksave() #1
 
-declare void @"github.com/goplus/llgo/runtime/internal/runtime.PrintPointer"(ptr)
+declare void @"github.com/goplus/llgo/runtime/internal/runtime.PrintPointer"(ptr) #0
 
-declare void @"github.com/goplus/llgo/runtime/internal/runtime.PrintByte"(i8)
+declare void @"github.com/goplus/llgo/runtime/internal/runtime.PrintByte"(i8) #0
 
-attributes #0 = { nocallback nofree nosync nounwind willreturn }
+attributes #0 = { "frame-pointer"="non-leaf" }
+attributes #1 = { nocallback nofree nosync nounwind willreturn "frame-pointer"="non-leaf" }
diff --git a/cl/_testrt/strlen/out.ll b/cl/_testrt/strlen/out.ll
index 39381b7a51..407a5aa77a 100644
--- a/cl/_testrt/strlen/out.ll
+++ b/cl/_testrt/strlen/out.ll
@@ -7,16 +7,16 @@ source_filename = "github.com/goplus/llgo/cl/_testrt/strlen"
 @"github.com/goplus/llgo/cl/_testrt/strlen.format" = global [10 x i8] zeroinitializer, align 1
 @"github.com/goplus/llgo/cl/_testrt/strlen.init$guard" = global i1 false, align 1
 
-define ptr @"github.com/goplus/llgo/cl/_testrt/strlen._Cgo_ptr"(ptr %0) {
+define ptr @"github.com/goplus/llgo/cl/_testrt/strlen._Cgo_ptr"(ptr %0) #0 {
 _llgo_0:
   ret ptr %0
 }
 
-declare void @runtime.cgoUse(%"github.com/goplus/llgo/runtime/internal/runtime.eface")
+declare void @runtime.cgoUse(%"github.com/goplus/llgo/runtime/internal/runtime.eface") #0
 
-declare void @runtime.cgoCheckResult(%"github.com/goplus/llgo/runtime/internal/runtime.eface")
+declare void @runtime.cgoCheckResult(%"github.com/goplus/llgo/runtime/internal/runtime.eface") #0
 
-define void @"github.com/goplus/llgo/cl/_testrt/strlen.init"() {
+define void @"github.com/goplus/llgo/cl/_testrt/strlen.init"() #0 {
 _llgo_0:
   %0 = load i1, ptr @"github.com/goplus/llgo/cl/_testrt/strlen.init$guard", align 1
   br i1 %0, label %_llgo_2, label %_llgo_1
@@ -40,15 +40,17 @@ _llgo_2:                                          ; preds = %_llgo_1, %_llgo_0
   ret void
 }
 
-define void @"github.com/goplus/llgo/cl/_testrt/strlen.main"() {
+define void @"github.com/goplus/llgo/cl/_testrt/strlen.main"() #0 {
 _llgo_0:
   %0 = call i32 @strlen(ptr @"github.com/goplus/llgo/cl/_testrt/strlen.format")
   call void (ptr, ...) @printf(ptr @"github.com/goplus/llgo/cl/_testrt/strlen.format", i32 %0)
   ret void
 }
 
-declare void @syscall.init()
+declare void @syscall.init() #0
 
-declare i32 @strlen(ptr)
+declare i32 @strlen(ptr) #0
 
-declare void @printf(ptr, ...)
+declare void @printf(ptr, ...) #0
+
+attributes #0 = { "frame-pointer"="non-leaf" }
diff --git a/cl/_testrt/struct/out.ll b/cl/_testrt/struct/out.ll
index 25667c31f9..2634fd6c99 100644
--- a/cl/_testrt/struct/out.ll
+++ b/cl/_testrt/struct/out.ll
@@ -8,7 +8,7 @@ source_filename = "github.com/goplus/llgo/cl/_testrt/struct"
 @"github.com/goplus/llgo/cl/_testrt/struct.format" = global [10 x i8] zeroinitializer, align 1
 @"github.com/goplus/llgo/cl/_testrt/struct.init$guard" = global i1 false, align 1
 
-define void @"github.com/goplus/llgo/cl/_testrt/struct.Foo.Print"(%"github.com/goplus/llgo/cl/_testrt/struct.Foo" %0) {
+define void @"github.com/goplus/llgo/cl/_testrt/struct.Foo.Print"(%"github.com/goplus/llgo/cl/_testrt/struct.Foo" %0) #0 {
 _llgo_0:
   %1 = alloca %"github.com/goplus/llgo/cl/_testrt/struct.Foo", align 8
   call void @llvm.memset(ptr %1, i8 0, i64 8, i1 false)
@@ -27,23 +27,23 @@ _llgo_2:                                          ; preds = %_llgo_1, %_llgo_0
   ret void
 }
 
-define void @"github.com/goplus/llgo/cl/_testrt/struct.(*Foo).Print"(ptr %0) {
+define void @"github.com/goplus/llgo/cl/_testrt/struct.(*Foo).Print"(ptr %0) #0 {
 _llgo_0:
   %1 = load %"github.com/goplus/llgo/cl/_testrt/struct.Foo", ptr %0, align 4
   call void @"github.com/goplus/llgo/cl/_testrt/struct.Foo.Print"(%"github.com/goplus/llgo/cl/_testrt/struct.Foo" %1)
   ret void
 }
 
-define ptr @"github.com/goplus/llgo/cl/_testrt/struct._Cgo_ptr"(ptr %0) {
+define ptr @"github.com/goplus/llgo/cl/_testrt/struct._Cgo_ptr"(ptr %0) #0 {
 _llgo_0:
   ret ptr %0
 }
 
-declare void @runtime.cgoUse(%"github.com/goplus/llgo/runtime/internal/runtime.eface")
+declare void @runtime.cgoUse(%"github.com/goplus/llgo/runtime/internal/runtime.eface") #0
 
-declare void @runtime.cgoCheckResult(%"github.com/goplus/llgo/runtime/internal/runtime.eface")
+declare void @runtime.cgoCheckResult(%"github.com/goplus/llgo/runtime/internal/runtime.eface") #0
 
-define void @"github.com/goplus/llgo/cl/_testrt/struct.init"() {
+define void @"github.com/goplus/llgo/cl/_testrt/struct.init"() #0 {
 _llgo_0:
   %0 = load i1, ptr @"github.com/goplus/llgo/cl/_testrt/struct.init$guard", align 1
   br i1 %0, label %_llgo_2, label %_llgo_1
@@ -67,7 +67,7 @@ _llgo_2:                                          ; preds = %_llgo_1, %_llgo_0
   ret void
 }
 
-define void @"github.com/goplus/llgo/cl/_testrt/struct.main"() {
+define void @"github.com/goplus/llgo/cl/_testrt/struct.main"() #0 {
 _llgo_0:
   %0 = alloca %"github.com/goplus/llgo/cl/_testrt/struct.Foo", align 8
   call void @llvm.memset(ptr %0, i8 0, i64 8, i1 false)
@@ -81,10 +81,11 @@ _llgo_0:
 }
 
 ; Function Attrs: nocallback nofree nounwind willreturn memory(argmem: write)
-declare void @llvm.memset(ptr nocapture writeonly, i8, i64, i1 immarg) #0
+declare void @llvm.memset(ptr nocapture writeonly, i8, i64, i1 immarg) #1
 
-declare void @printf(ptr, ...)
+declare void @printf(ptr, ...) #0
 
-declare void @syscall.init()
+declare void @syscall.init() #0
 
-attributes #0 = { nocallback nofree nounwind willreturn memory(argmem: write) }
+attributes #0 = { "frame-pointer"="non-leaf" }
+attributes #1 = { nocallback nofree nounwind willreturn memory(argmem: write) "frame-pointer"="non-leaf" }
diff --git a/cl/_testrt/structsize/out.ll b/cl/_testrt/structsize/out.ll
index 80f9facc07..74a2929abd 100644
--- a/cl/_testrt/structsize/out.ll
+++ b/cl/_testrt/structsize/out.ll
@@ -4,7 +4,7 @@ source_filename = "github.com/goplus/llgo/cl/_testrt/structsize"
 @"github.com/goplus/llgo/cl/_testrt/structsize.init$guard" = global i1 false, align 1
 @0 = private unnamed_addr constant [3 x i8] c"%d\00", align 1
 
-define void @"github.com/goplus/llgo/cl/_testrt/structsize.init"() {
+define void @"github.com/goplus/llgo/cl/_testrt/structsize.init"() #0 {
 _llgo_0:
   %0 = load i1, ptr @"github.com/goplus/llgo/cl/_testrt/structsize.init$guard", align 1
   br i1 %0, label %_llgo_2, label %_llgo_1
@@ -17,10 +17,12 @@ _llgo_2:                                          ; preds = %_llgo_1, %_llgo_0
   ret void
 }
 
-define void @"github.com/goplus/llgo/cl/_testrt/structsize.main"() {
+define void @"github.com/goplus/llgo/cl/_testrt/structsize.main"() #0 {
 _llgo_0:
   %0 = call i32 (ptr, ...) @printf(ptr @0, i64 14)
   ret void
 }
 
-declare i32 @printf(ptr, ...)
+declare i32 @printf(ptr, ...) #0
+
+attributes #0 = { "frame-pointer"="non-leaf" }
diff --git a/cl/_testrt/sum/out.ll b/cl/_testrt/sum/out.ll
index 66cf2dd81b..02058d0cf6 100644
--- a/cl/_testrt/sum/out.ll
+++ b/cl/_testrt/sum/out.ll
@@ -6,7 +6,7 @@ source_filename = "github.com/goplus/llgo/cl/_testrt/sum"
 @"github.com/goplus/llgo/cl/_testrt/sum.init$guard" = global i1 false, align 1
 @0 = private unnamed_addr constant [10 x i8] c"Hello %d\0A\00", align 1
 
-define void @"github.com/goplus/llgo/cl/_testrt/sum.init"() {
+define void @"github.com/goplus/llgo/cl/_testrt/sum.init"() #0 {
 _llgo_0:
   %0 = load i1, ptr @"github.com/goplus/llgo/cl/_testrt/sum.init$guard", align 1
   br i1 %0, label %_llgo_2, label %_llgo_1
@@ -19,7 +19,7 @@ _llgo_2:                                          ; preds = %_llgo_1, %_llgo_0
   ret void
 }
 
-define void @"github.com/goplus/llgo/cl/_testrt/sum.main"() {
+define void @"github.com/goplus/llgo/cl/_testrt/sum.main"() #0 {
 _llgo_0:
   %0 = call ptr @"github.com/goplus/llgo/runtime/internal/runtime.AllocZ"(i64 32)
   %1 = getelementptr inbounds i64, ptr %0, i64 0
@@ -38,7 +38,7 @@ _llgo_0:
   ret void
 }
 
-define i64 @"github.com/goplus/llgo/cl/_testrt/sum.sum"(%"github.com/goplus/llgo/runtime/internal/runtime.Slice" %0) {
+define i64 @"github.com/goplus/llgo/cl/_testrt/sum.sum"(%"github.com/goplus/llgo/runtime/internal/runtime.Slice" %0) #0 {
 _llgo_0:
   %1 = extractvalue %"github.com/goplus/llgo/runtime/internal/runtime.Slice" %0, 1
   br label %_llgo_1
@@ -66,8 +66,10 @@ _llgo_3:                                          ; preds = %_llgo_1
   ret i64 %2
 }
 
-declare ptr @"github.com/goplus/llgo/runtime/internal/runtime.AllocZ"(i64)
+declare ptr @"github.com/goplus/llgo/runtime/internal/runtime.AllocZ"(i64) #0
 
-declare i32 @printf(ptr, ...)
+declare i32 @printf(ptr, ...) #0
 
-declare void @"github.com/goplus/llgo/runtime/internal/runtime.AssertIndexRange"(i1)
+declare void @"github.com/goplus/llgo/runtime/internal/runtime.AssertIndexRange"(i1) #0
+
+attributes #0 = { "frame-pointer"="non-leaf" }
diff --git a/cl/_testrt/tpabi/out.ll b/cl/_testrt/tpabi/out.ll
index 4b21f43520..ff9982a38a 100644
--- a/cl/_testrt/tpabi/out.ll
+++ b/cl/_testrt/tpabi/out.ll
@@ -43,7 +43,7 @@ source_filename = "github.com/goplus/llgo/cl/_testrt/tpabi"
 @"*_llgo_iface$BP0p_lUsEd-IbbtJVukGmgrdQkqzcoYzSiwgUvgFvUs" = weak_odr constant %"github.com/goplus/llgo/runtime/abi.PtrType" { %"github.com/goplus/llgo/runtime/abi.Type" { i64 8, i64 8, i32 2055694132, i8 10, i8 8, i8 8, i8 54, { ptr, ptr } { ptr @"__llgo_stub.github.com/goplus/llgo/runtime/internal/runtime.memequalptr", ptr null }, ptr null, %"github.com/goplus/llgo/runtime/internal/runtime.String" { ptr @12, i64 20 }, ptr null }, ptr @"_llgo_iface$BP0p_lUsEd-IbbtJVukGmgrdQkqzcoYzSiwgUvgFvUs" }, align 8
 @"_llgo_iface$BP0p_lUsEd-IbbtJVukGmgrdQkqzcoYzSiwgUvgFvUs$imethods" = weak_odr constant [1 x %"github.com/goplus/llgo/runtime/abi.Imethod"] [%"github.com/goplus/llgo/runtime/abi.Imethod" { %"github.com/goplus/llgo/runtime/internal/runtime.String" { ptr @3, i64 4 }, ptr @"_llgo_func$2_iS07vIlF2_rZqWB5eU0IvP_9HviM4MYZNkXZDvbac" }], align 8
 
-define void @"github.com/goplus/llgo/cl/_testrt/tpabi.init"() {
+define void @"github.com/goplus/llgo/cl/_testrt/tpabi.init"() #0 {
 _llgo_0:
   %0 = load i1, ptr @"github.com/goplus/llgo/cl/_testrt/tpabi.init$guard", align 1
   br i1 %0, label %_llgo_2, label %_llgo_1
@@ -56,7 +56,7 @@ _llgo_2:                                          ; preds = %_llgo_1, %_llgo_0
   ret void
 }
 
-define void @"github.com/goplus/llgo/cl/_testrt/tpabi.main"() {
+define void @"github.com/goplus/llgo/cl/_testrt/tpabi.main"() #0 {
 _llgo_0:
   %0 = alloca %"github.com/goplus/llgo/cl/_testrt/tpabi.T[string,int]", align 8
   call void @llvm.memset(ptr %0, i8 0, i64 24, i1 false)
@@ -121,9 +121,9 @@ _llgo_2:                                          ; preds = %_llgo_0
 }
 
 ; Function Attrs: nocallback nofree nounwind willreturn memory(argmem: write)
-declare void @llvm.memset(ptr nocapture writeonly, i8, i64, i1 immarg) #0
+declare void @llvm.memset(ptr nocapture writeonly, i8, i64, i1 immarg) #1
 
-define linkonce void @"github.com/goplus/llgo/cl/_testrt/tpabi.T[string,int].Info"(%"github.com/goplus/llgo/cl/_testrt/tpabi.T[string,int]" %0) {
+define linkonce void @"github.com/goplus/llgo/cl/_testrt/tpabi.T[string,int].Info"(%"github.com/goplus/llgo/cl/_testrt/tpabi.T[string,int]" %0) #0 {
 _llgo_0:
   %1 = alloca %"github.com/goplus/llgo/cl/_testrt/tpabi.T[string,int]", align 8
   call void @llvm.memset(ptr %1, i8 0, i64 24, i1 false)
@@ -139,9 +139,9 @@ _llgo_0:
   ret void
 }
 
-declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.structequal"(ptr, ptr, ptr)
+declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.structequal"(ptr, ptr, ptr) #0
 
-define linkonce void @"github.com/goplus/llgo/cl/_testrt/tpabi.(*T[string,int]).Demo"(ptr %0) {
+define linkonce void @"github.com/goplus/llgo/cl/_testrt/tpabi.(*T[string,int]).Demo"(ptr %0) #0 {
 _llgo_0:
   %1 = getelementptr inbounds %"github.com/goplus/llgo/cl/_testrt/tpabi.T[string,int]", ptr %0, i32 0, i32 0
   %2 = load %"github.com/goplus/llgo/runtime/internal/runtime.String", ptr %1, align 8
@@ -154,61 +154,62 @@ _llgo_0:
   ret void
 }
 
-define linkonce void @"github.com/goplus/llgo/cl/_testrt/tpabi.(*T[string,int]).Info"(ptr %0) {
+define linkonce void @"github.com/goplus/llgo/cl/_testrt/tpabi.(*T[string,int]).Info"(ptr %0) #0 {
 _llgo_0:
   %1 = load %"github.com/goplus/llgo/cl/_testrt/tpabi.T[string,int]", ptr %0, align 8
   call void @"github.com/goplus/llgo/cl/_testrt/tpabi.T[string,int].Info"(%"github.com/goplus/llgo/cl/_testrt/tpabi.T[string,int]" %1)
   ret void
 }
 
-declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.memequalptr"(ptr, ptr)
+declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.memequalptr"(ptr, ptr) #0
 
-define linkonce i1 @"__llgo_stub.github.com/goplus/llgo/runtime/internal/runtime.memequalptr"(ptr %0, ptr %1, ptr %2) {
+define linkonce i1 @"__llgo_stub.github.com/goplus/llgo/runtime/internal/runtime.memequalptr"(ptr %0, ptr %1, ptr %2) #0 {
 _llgo_0:
   %3 = tail call i1 @"github.com/goplus/llgo/runtime/internal/runtime.memequalptr"(ptr %1, ptr %2)
   ret i1 %3
 }
 
-declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.strequal"(ptr, ptr)
+declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.strequal"(ptr, ptr) #0
 
-define linkonce i1 @"__llgo_stub.github.com/goplus/llgo/runtime/internal/runtime.strequal"(ptr %0, ptr %1, ptr %2) {
+define linkonce i1 @"__llgo_stub.github.com/goplus/llgo/runtime/internal/runtime.strequal"(ptr %0, ptr %1, ptr %2) #0 {
 _llgo_0:
   %3 = tail call i1 @"github.com/goplus/llgo/runtime/internal/runtime.strequal"(ptr %1, ptr %2)
   ret i1 %3
 }
 
-declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.memequal64"(ptr, ptr)
+declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.memequal64"(ptr, ptr) #0
 
-define linkonce i1 @"__llgo_stub.github.com/goplus/llgo/runtime/internal/runtime.memequal64"(ptr %0, ptr %1, ptr %2) {
+define linkonce i1 @"__llgo_stub.github.com/goplus/llgo/runtime/internal/runtime.memequal64"(ptr %0, ptr %1, ptr %2) #0 {
 _llgo_0:
   %3 = tail call i1 @"github.com/goplus/llgo/runtime/internal/runtime.memequal64"(ptr %1, ptr %2)
   ret i1 %3
 }
 
-declare ptr @"github.com/goplus/llgo/runtime/internal/runtime.AllocU"(i64)
+declare ptr @"github.com/goplus/llgo/runtime/internal/runtime.AllocU"(i64) #0
 
-declare void @"github.com/goplus/llgo/runtime/internal/runtime.Panic"(%"github.com/goplus/llgo/runtime/internal/runtime.eface")
+declare void @"github.com/goplus/llgo/runtime/internal/runtime.Panic"(%"github.com/goplus/llgo/runtime/internal/runtime.eface") #0
 
-declare void @"github.com/goplus/llgo/runtime/internal/runtime.PrintString"(%"github.com/goplus/llgo/runtime/internal/runtime.String")
+declare void @"github.com/goplus/llgo/runtime/internal/runtime.PrintString"(%"github.com/goplus/llgo/runtime/internal/runtime.String") #0
 
-declare void @"github.com/goplus/llgo/runtime/internal/runtime.PrintByte"(i8)
+declare void @"github.com/goplus/llgo/runtime/internal/runtime.PrintByte"(i8) #0
 
-declare ptr @"github.com/goplus/llgo/runtime/internal/runtime.AllocZ"(i64)
+declare ptr @"github.com/goplus/llgo/runtime/internal/runtime.AllocZ"(i64) #0
 
-declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.interequal"(ptr, ptr)
+declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.interequal"(ptr, ptr) #0
 
-define linkonce i1 @"__llgo_stub.github.com/goplus/llgo/runtime/internal/runtime.interequal"(ptr %0, ptr %1, ptr %2) {
+define linkonce i1 @"__llgo_stub.github.com/goplus/llgo/runtime/internal/runtime.interequal"(ptr %0, ptr %1, ptr %2) #0 {
 _llgo_0:
   %3 = tail call i1 @"github.com/goplus/llgo/runtime/internal/runtime.interequal"(ptr %1, ptr %2)
   ret i1 %3
 }
 
-declare ptr @"github.com/goplus/llgo/runtime/internal/runtime.NewItab"(ptr, ptr)
+declare ptr @"github.com/goplus/llgo/runtime/internal/runtime.NewItab"(ptr, ptr) #0
 
-declare ptr @"github.com/goplus/llgo/runtime/internal/runtime.IfacePtrData"(%"github.com/goplus/llgo/runtime/internal/runtime.iface")
+declare ptr @"github.com/goplus/llgo/runtime/internal/runtime.IfacePtrData"(%"github.com/goplus/llgo/runtime/internal/runtime.iface") #0
 
-declare void @"github.com/goplus/llgo/runtime/internal/runtime.PrintPointer"(ptr)
+declare void @"github.com/goplus/llgo/runtime/internal/runtime.PrintPointer"(ptr) #0
 
-declare void @"github.com/goplus/llgo/runtime/internal/runtime.PrintInt"(i64)
+declare void @"github.com/goplus/llgo/runtime/internal/runtime.PrintInt"(i64) #0
 
-attributes #0 = { nocallback nofree nounwind willreturn memory(argmem: write) }
+attributes #0 = { "frame-pointer"="non-leaf" }
+attributes #1 = { nocallback nofree nounwind willreturn memory(argmem: write) "frame-pointer"="non-leaf" }
diff --git a/cl/_testrt/tpfunc/out.ll b/cl/_testrt/tpfunc/out.ll
index 9d7213a5c1..3c2bac9cef 100644
--- a/cl/_testrt/tpfunc/out.ll
+++ b/cl/_testrt/tpfunc/out.ll
@@ -3,7 +3,7 @@ source_filename = "github.com/goplus/llgo/cl/_testrt/tpfunc"
 
 @"github.com/goplus/llgo/cl/_testrt/tpfunc.init$guard" = global i1 false, align 1
 
-define void @"github.com/goplus/llgo/cl/_testrt/tpfunc.init"() {
+define void @"github.com/goplus/llgo/cl/_testrt/tpfunc.init"() #0 {
 _llgo_0:
   %0 = load i1, ptr @"github.com/goplus/llgo/cl/_testrt/tpfunc.init$guard", align 1
   br i1 %0, label %_llgo_2, label %_llgo_1
@@ -16,7 +16,7 @@ _llgo_2:                                          ; preds = %_llgo_1, %_llgo_0
   ret void
 }
 
-define void @"github.com/goplus/llgo/cl/_testrt/tpfunc.main"() {
+define void @"github.com/goplus/llgo/cl/_testrt/tpfunc.main"() #0 {
 _llgo_0:
   call void @"github.com/goplus/llgo/runtime/internal/runtime.PrintUint"(i64 16)
   call void @"github.com/goplus/llgo/runtime/internal/runtime.PrintByte"(i8 32)
@@ -27,7 +27,7 @@ _llgo_0:
   ret void
 }
 
-define void @"github.com/goplus/llgo/cl/_testrt/tpfunc.main$1"(ptr %0) {
+define void @"github.com/goplus/llgo/cl/_testrt/tpfunc.main$1"(ptr %0) #0 {
 _llgo_0:
   %1 = load i64, ptr %0, align 4
   call void @"github.com/goplus/llgo/runtime/internal/runtime.PrintInt"(i64 %1)
@@ -35,7 +35,7 @@ _llgo_0:
   ret void
 }
 
-define void @"github.com/goplus/llgo/cl/_testrt/tpfunc.main$2"(ptr %0) {
+define void @"github.com/goplus/llgo/cl/_testrt/tpfunc.main$2"(ptr %0) #0 {
 _llgo_0:
   %1 = load i64, ptr %0, align 4
   call void @"github.com/goplus/llgo/runtime/internal/runtime.PrintInt"(i64 %1)
@@ -43,7 +43,7 @@ _llgo_0:
   ret void
 }
 
-define void @"github.com/goplus/llgo/cl/_testrt/tpfunc.main$3"(ptr %0) {
+define void @"github.com/goplus/llgo/cl/_testrt/tpfunc.main$3"(ptr %0) #0 {
 _llgo_0:
   %1 = load i64, ptr %0, align 4
   call void @"github.com/goplus/llgo/runtime/internal/runtime.PrintInt"(i64 %1)
@@ -51,14 +51,16 @@ _llgo_0:
   ret void
 }
 
-define linkonce void @"__llgo_stub.github.com/goplus/llgo/cl/_testrt/tpfunc.main$1"(ptr %0, ptr %1) {
+define linkonce void @"__llgo_stub.github.com/goplus/llgo/cl/_testrt/tpfunc.main$1"(ptr %0, ptr %1) #0 {
 _llgo_0:
   tail call void @"github.com/goplus/llgo/cl/_testrt/tpfunc.main$1"(ptr %1)
   ret void
 }
 
-declare void @"github.com/goplus/llgo/runtime/internal/runtime.PrintUint"(i64)
+declare void @"github.com/goplus/llgo/runtime/internal/runtime.PrintUint"(i64) #0
 
-declare void @"github.com/goplus/llgo/runtime/internal/runtime.PrintByte"(i8)
+declare void @"github.com/goplus/llgo/runtime/internal/runtime.PrintByte"(i8) #0
 
-declare void @"github.com/goplus/llgo/runtime/internal/runtime.PrintInt"(i64)
+declare void @"github.com/goplus/llgo/runtime/internal/runtime.PrintInt"(i64) #0
+
+attributes #0 = { "frame-pointer"="non-leaf" }
diff --git a/cl/_testrt/tpmap/out.ll b/cl/_testrt/tpmap/out.ll
index 094ea0bd1d..aaae7a1f5a 100644
--- a/cl/_testrt/tpmap/out.ll
+++ b/cl/_testrt/tpmap/out.ll
@@ -90,7 +90,7 @@ source_filename = "github.com/goplus/llgo/cl/_testrt/tpmap"
 @"github.com/goplus/llgo/cl/_testrt/tpmap.struct$ibdiBmDH7G4iiypsSuNnfN36hpedh02DKMXmXLR4D0g$fields" = weak_odr constant [4 x %"github.com/goplus/llgo/runtime/abi.StructField"] [%"github.com/goplus/llgo/runtime/abi.StructField" { %"github.com/goplus/llgo/runtime/internal/runtime.String" { ptr @17, i64 7 }, ptr @"[8]_llgo_uint8", i64 0, %"github.com/goplus/llgo/runtime/internal/runtime.String" zeroinitializer, i1 false }, %"github.com/goplus/llgo/runtime/abi.StructField" { %"github.com/goplus/llgo/runtime/internal/runtime.String" { ptr @21, i64 4 }, ptr @"[8]_llgo_github.com/goplus/llgo/cl/_testrt/tpmap.cacheKey", i64 8, %"github.com/goplus/llgo/runtime/internal/runtime.String" zeroinitializer, i1 false }, %"github.com/goplus/llgo/runtime/abi.StructField" { %"github.com/goplus/llgo/runtime/internal/runtime.String" { ptr @24, i64 5 }, ptr @"[8]_llgo_string", i64 392, %"github.com/goplus/llgo/runtime/internal/runtime.String" zeroinitializer, i1 false }, %"github.com/goplus/llgo/runtime/abi.StructField" { %"github.com/goplus/llgo/runtime/internal/runtime.String" { ptr @27, i64 8 }, ptr @_llgo_Pointer, i64 520, %"github.com/goplus/llgo/runtime/internal/runtime.String" zeroinitializer, i1 false }], align 8
 @29 = private unnamed_addr constant [5 x i8] c"world", align 1
 
-define void @"github.com/goplus/llgo/cl/_testrt/tpmap.init"() {
+define void @"github.com/goplus/llgo/cl/_testrt/tpmap.init"() #0 {
 _llgo_0:
   %0 = load i1, ptr @"github.com/goplus/llgo/cl/_testrt/tpmap.init$guard", align 1
   br i1 %0, label %_llgo_2, label %_llgo_1
@@ -103,7 +103,7 @@ _llgo_2:                                          ; preds = %_llgo_1, %_llgo_0
   ret void
 }
 
-define void @"github.com/goplus/llgo/cl/_testrt/tpmap.main"() {
+define void @"github.com/goplus/llgo/cl/_testrt/tpmap.main"() #0 {
 _llgo_0:
   %0 = call ptr @"github.com/goplus/llgo/runtime/internal/runtime.MakeMap"(ptr @"map[_llgo_github.com/goplus/llgo/cl/_testrt/tpmap.cacheKey]_llgo_string", i64 0)
   %1 = alloca %"github.com/goplus/llgo/cl/_testrt/tpmap.cacheKey", align 8
@@ -157,67 +157,68 @@ _llgo_0:
   ret void
 }
 
-declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.memequalptr"(ptr, ptr)
+declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.memequalptr"(ptr, ptr) #0
 
-define linkonce i1 @"__llgo_stub.github.com/goplus/llgo/runtime/internal/runtime.memequalptr"(ptr %0, ptr %1, ptr %2) {
+define linkonce i1 @"__llgo_stub.github.com/goplus/llgo/runtime/internal/runtime.memequalptr"(ptr %0, ptr %1, ptr %2) #0 {
 _llgo_0:
   %3 = tail call i1 @"github.com/goplus/llgo/runtime/internal/runtime.memequalptr"(ptr %1, ptr %2)
   ret i1 %3
 }
 
-declare i64 @"github.com/goplus/llgo/runtime/internal/runtime.typehash"(ptr, ptr, i64)
+declare i64 @"github.com/goplus/llgo/runtime/internal/runtime.typehash"(ptr, ptr, i64) #0
 
-declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.structequal"(ptr, ptr, ptr)
+declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.structequal"(ptr, ptr, ptr) #0
 
-declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.memequal64"(ptr, ptr)
+declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.memequal64"(ptr, ptr) #0
 
-define linkonce i1 @"__llgo_stub.github.com/goplus/llgo/runtime/internal/runtime.memequal64"(ptr %0, ptr %1, ptr %2) {
+define linkonce i1 @"__llgo_stub.github.com/goplus/llgo/runtime/internal/runtime.memequal64"(ptr %0, ptr %1, ptr %2) #0 {
 _llgo_0:
   %3 = tail call i1 @"github.com/goplus/llgo/runtime/internal/runtime.memequal64"(ptr %1, ptr %2)
   ret i1 %3
 }
 
-declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.nilinterequal"(ptr, ptr)
+declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.nilinterequal"(ptr, ptr) #0
 
-define linkonce i1 @"__llgo_stub.github.com/goplus/llgo/runtime/internal/runtime.nilinterequal"(ptr %0, ptr %1, ptr %2) {
+define linkonce i1 @"__llgo_stub.github.com/goplus/llgo/runtime/internal/runtime.nilinterequal"(ptr %0, ptr %1, ptr %2) #0 {
 _llgo_0:
   %3 = tail call i1 @"github.com/goplus/llgo/runtime/internal/runtime.nilinterequal"(ptr %1, ptr %2)
   ret i1 %3
 }
 
-declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.strequal"(ptr, ptr)
+declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.strequal"(ptr, ptr) #0
 
-define linkonce i1 @"__llgo_stub.github.com/goplus/llgo/runtime/internal/runtime.strequal"(ptr %0, ptr %1, ptr %2) {
+define linkonce i1 @"__llgo_stub.github.com/goplus/llgo/runtime/internal/runtime.strequal"(ptr %0, ptr %1, ptr %2) #0 {
 _llgo_0:
   %3 = tail call i1 @"github.com/goplus/llgo/runtime/internal/runtime.strequal"(ptr %1, ptr %2)
   ret i1 %3
 }
 
-declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.arrayequal"(ptr, ptr, ptr)
+declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.arrayequal"(ptr, ptr, ptr) #0
 
-declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.memequal8"(ptr, ptr)
+declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.memequal8"(ptr, ptr) #0
 
-define linkonce i1 @"__llgo_stub.github.com/goplus/llgo/runtime/internal/runtime.memequal8"(ptr %0, ptr %1, ptr %2) {
+define linkonce i1 @"__llgo_stub.github.com/goplus/llgo/runtime/internal/runtime.memequal8"(ptr %0, ptr %1, ptr %2) #0 {
 _llgo_0:
   %3 = tail call i1 @"github.com/goplus/llgo/runtime/internal/runtime.memequal8"(ptr %1, ptr %2)
   ret i1 %3
 }
 
-declare ptr @"github.com/goplus/llgo/runtime/internal/runtime.MakeMap"(ptr, i64)
+declare ptr @"github.com/goplus/llgo/runtime/internal/runtime.MakeMap"(ptr, i64) #0
 
 ; Function Attrs: nocallback nofree nounwind willreturn memory(argmem: write)
-declare void @llvm.memset(ptr nocapture writeonly, i8, i64, i1 immarg) #0
+declare void @llvm.memset(ptr nocapture writeonly, i8, i64, i1 immarg) #1
 
-declare ptr @"github.com/goplus/llgo/runtime/internal/runtime.AllocU"(i64)
+declare ptr @"github.com/goplus/llgo/runtime/internal/runtime.AllocU"(i64) #0
 
-declare ptr @"github.com/goplus/llgo/runtime/internal/runtime.MapAssign"(ptr, ptr, ptr)
+declare ptr @"github.com/goplus/llgo/runtime/internal/runtime.MapAssign"(ptr, ptr, ptr) #0
 
-declare { ptr, i1 } @"github.com/goplus/llgo/runtime/internal/runtime.MapAccess2"(ptr, ptr, ptr)
+declare { ptr, i1 } @"github.com/goplus/llgo/runtime/internal/runtime.MapAccess2"(ptr, ptr, ptr) #0
 
-declare void @"github.com/goplus/llgo/runtime/internal/runtime.PrintString"(%"github.com/goplus/llgo/runtime/internal/runtime.String")
+declare void @"github.com/goplus/llgo/runtime/internal/runtime.PrintString"(%"github.com/goplus/llgo/runtime/internal/runtime.String") #0
 
-declare void @"github.com/goplus/llgo/runtime/internal/runtime.PrintByte"(i8)
+declare void @"github.com/goplus/llgo/runtime/internal/runtime.PrintByte"(i8) #0
 
-declare void @"github.com/goplus/llgo/runtime/internal/runtime.PrintBool"(i1)
+declare void @"github.com/goplus/llgo/runtime/internal/runtime.PrintBool"(i1) #0
 
-attributes #0 = { nocallback nofree nounwind willreturn memory(argmem: write) }
+attributes #0 = { "frame-pointer"="non-leaf" }
+attributes #1 = { nocallback nofree nounwind willreturn memory(argmem: write) "frame-pointer"="non-leaf" }
diff --git a/cl/_testrt/tpmethod/out.ll b/cl/_testrt/tpmethod/out.ll
index dafa1b61c9..9a909ed9a5 100644
--- a/cl/_testrt/tpmethod/out.ll
+++ b/cl/_testrt/tpmethod/out.ll
@@ -73,13 +73,13 @@ source_filename = "github.com/goplus/llgo/cl/_testrt/tpmethod"
 @"*_llgo_iface$XcsCI4xRViVu44YvSfJySCCik7Xq487CpVScS6LGI70" = weak_odr constant %"github.com/goplus/llgo/runtime/abi.PtrType" { %"github.com/goplus/llgo/runtime/abi.Type" { i64 8, i64 8, i32 1232808231, i8 10, i8 8, i8 8, i8 54, { ptr, ptr } { ptr @"__llgo_stub.github.com/goplus/llgo/runtime/internal/runtime.memequalptr", ptr null }, ptr null, %"github.com/goplus/llgo/runtime/internal/runtime.String" { ptr @20, i64 79 }, ptr null }, ptr @"_llgo_iface$XcsCI4xRViVu44YvSfJySCCik7Xq487CpVScS6LGI70" }, align 8
 @"_llgo_iface$XcsCI4xRViVu44YvSfJySCCik7Xq487CpVScS6LGI70$imethods" = weak_odr constant [1 x %"github.com/goplus/llgo/runtime/abi.Imethod"] [%"github.com/goplus/llgo/runtime/abi.Imethod" { %"github.com/goplus/llgo/runtime/internal/runtime.String" { ptr @19, i64 4 }, ptr @"_llgo_func$YDtAFTesCi1EpIfGs4nqPSJzLIDwkg-8FAbVKMCx8cg" }], align 8
 
-define %"github.com/goplus/llgo/runtime/internal/runtime.iface" @"github.com/goplus/llgo/cl/_testrt/tpmethod.ReadFile"(%"github.com/goplus/llgo/runtime/internal/runtime.String" %0) {
+define %"github.com/goplus/llgo/runtime/internal/runtime.iface" @"github.com/goplus/llgo/cl/_testrt/tpmethod.ReadFile"(%"github.com/goplus/llgo/runtime/internal/runtime.String" %0) #0 {
 _llgo_0:
   %1 = call %"github.com/goplus/llgo/runtime/internal/runtime.iface" @"github.com/goplus/llgo/cl/_testrt/tpmethod.Async[github.com/goplus/llgo/cl/_testrt/tpmethod.Tuple[error]]"({ ptr, ptr } { ptr @"__llgo_stub.github.com/goplus/llgo/cl/_testrt/tpmethod.ReadFile$1", ptr null })
   ret %"github.com/goplus/llgo/runtime/internal/runtime.iface" %1
 }
 
-define void @"github.com/goplus/llgo/cl/_testrt/tpmethod.ReadFile$1"({ ptr, ptr } %0) {
+define void @"github.com/goplus/llgo/cl/_testrt/tpmethod.ReadFile$1"({ ptr, ptr } %0) #0 {
 _llgo_0:
   %1 = alloca %"github.com/goplus/llgo/cl/_testrt/tpmethod.Tuple[error]", align 8
   call void @llvm.memset(ptr %1, i8 0, i64 16, i1 false)
@@ -92,7 +92,7 @@ _llgo_0:
   ret void
 }
 
-define void @"github.com/goplus/llgo/cl/_testrt/tpmethod.init"() {
+define void @"github.com/goplus/llgo/cl/_testrt/tpmethod.init"() #0 {
 _llgo_0:
   %0 = load i1, ptr @"github.com/goplus/llgo/cl/_testrt/tpmethod.init$guard", align 1
   br i1 %0, label %_llgo_2, label %_llgo_1
@@ -105,7 +105,7 @@ _llgo_2:                                          ; preds = %_llgo_1, %_llgo_0
   ret void
 }
 
-define void @"github.com/goplus/llgo/cl/_testrt/tpmethod.main"() {
+define void @"github.com/goplus/llgo/cl/_testrt/tpmethod.main"() #0 {
 _llgo_0:
   %0 = call %"github.com/goplus/llgo/runtime/internal/runtime.iface" @"github.com/goplus/llgo/cl/_testrt/tpmethod.ReadFile"(%"github.com/goplus/llgo/runtime/internal/runtime.String" { ptr @0, i64 7 })
   %1 = call ptr @"github.com/goplus/llgo/runtime/internal/runtime.IfacePtrData"(%"github.com/goplus/llgo/runtime/internal/runtime.iface" %0)
@@ -120,7 +120,7 @@ _llgo_0:
   ret void
 }
 
-define void @"github.com/goplus/llgo/cl/_testrt/tpmethod.main$1"(%"github.com/goplus/llgo/cl/_testrt/tpmethod.Tuple[error]" %0) {
+define void @"github.com/goplus/llgo/cl/_testrt/tpmethod.main$1"(%"github.com/goplus/llgo/cl/_testrt/tpmethod.Tuple[error]" %0) #0 {
 _llgo_0:
   %1 = call %"github.com/goplus/llgo/runtime/internal/runtime.iface" @"github.com/goplus/llgo/cl/_testrt/tpmethod.Tuple[error].Get"(%"github.com/goplus/llgo/cl/_testrt/tpmethod.Tuple[error]" %0)
   call void @"github.com/goplus/llgo/runtime/internal/runtime.PrintIface"(%"github.com/goplus/llgo/runtime/internal/runtime.iface" %1)
@@ -128,7 +128,7 @@ _llgo_0:
   ret void
 }
 
-define linkonce %"github.com/goplus/llgo/runtime/internal/runtime.iface" @"github.com/goplus/llgo/cl/_testrt/tpmethod.Async[github.com/goplus/llgo/cl/_testrt/tpmethod.Tuple[error]]"({ ptr, ptr } %0) {
+define linkonce %"github.com/goplus/llgo/runtime/internal/runtime.iface" @"github.com/goplus/llgo/cl/_testrt/tpmethod.Async[github.com/goplus/llgo/cl/_testrt/tpmethod.Tuple[error]]"({ ptr, ptr } %0) #0 {
 _llgo_0:
   %1 = call ptr @"github.com/goplus/llgo/runtime/internal/runtime.AllocZ"(i64 16)
   %2 = getelementptr inbounds %"github.com/goplus/llgo/cl/_testrt/tpmethod.future[github.com/goplus/llgo/cl/_testrt/tpmethod.Tuple[error]]", ptr %1, i32 0, i32 0
@@ -139,24 +139,24 @@ _llgo_0:
   ret %"github.com/goplus/llgo/runtime/internal/runtime.iface" %5
 }
 
-define linkonce void @"__llgo_stub.github.com/goplus/llgo/cl/_testrt/tpmethod.ReadFile$1"(ptr %0, { ptr, ptr } %1) {
+define linkonce void @"__llgo_stub.github.com/goplus/llgo/cl/_testrt/tpmethod.ReadFile$1"(ptr %0, { ptr, ptr } %1) #0 {
 _llgo_0:
   tail call void @"github.com/goplus/llgo/cl/_testrt/tpmethod.ReadFile$1"({ ptr, ptr } %1)
   ret void
 }
 
 ; Function Attrs: nocallback nofree nounwind willreturn memory(argmem: write)
-declare void @llvm.memset(ptr nocapture writeonly, i8, i64, i1 immarg) #0
+declare void @llvm.memset(ptr nocapture writeonly, i8, i64, i1 immarg) #1
 
-declare ptr @"github.com/goplus/llgo/runtime/internal/runtime.IfacePtrData"(%"github.com/goplus/llgo/runtime/internal/runtime.iface")
+declare ptr @"github.com/goplus/llgo/runtime/internal/runtime.IfacePtrData"(%"github.com/goplus/llgo/runtime/internal/runtime.iface") #0
 
-define linkonce void @"__llgo_stub.github.com/goplus/llgo/cl/_testrt/tpmethod.main$1"(ptr %0, %"github.com/goplus/llgo/cl/_testrt/tpmethod.Tuple[error]" %1) {
+define linkonce void @"__llgo_stub.github.com/goplus/llgo/cl/_testrt/tpmethod.main$1"(ptr %0, %"github.com/goplus/llgo/cl/_testrt/tpmethod.Tuple[error]" %1) #0 {
 _llgo_0:
   tail call void @"github.com/goplus/llgo/cl/_testrt/tpmethod.main$1"(%"github.com/goplus/llgo/cl/_testrt/tpmethod.Tuple[error]" %1)
   ret void
 }
 
-define linkonce %"github.com/goplus/llgo/runtime/internal/runtime.iface" @"github.com/goplus/llgo/cl/_testrt/tpmethod.Tuple[error].Get"(%"github.com/goplus/llgo/cl/_testrt/tpmethod.Tuple[error]" %0) {
+define linkonce %"github.com/goplus/llgo/runtime/internal/runtime.iface" @"github.com/goplus/llgo/cl/_testrt/tpmethod.Tuple[error].Get"(%"github.com/goplus/llgo/cl/_testrt/tpmethod.Tuple[error]" %0) #0 {
 _llgo_0:
   %1 = alloca %"github.com/goplus/llgo/cl/_testrt/tpmethod.Tuple[error]", align 8
   call void @llvm.memset(ptr %1, i8 0, i64 16, i1 false)
@@ -166,13 +166,13 @@ _llgo_0:
   ret %"github.com/goplus/llgo/runtime/internal/runtime.iface" %3
 }
 
-declare void @"github.com/goplus/llgo/runtime/internal/runtime.PrintIface"(%"github.com/goplus/llgo/runtime/internal/runtime.iface")
+declare void @"github.com/goplus/llgo/runtime/internal/runtime.PrintIface"(%"github.com/goplus/llgo/runtime/internal/runtime.iface") #0
 
-declare void @"github.com/goplus/llgo/runtime/internal/runtime.PrintByte"(i8)
+declare void @"github.com/goplus/llgo/runtime/internal/runtime.PrintByte"(i8) #0
 
-declare ptr @"github.com/goplus/llgo/runtime/internal/runtime.AllocZ"(i64)
+declare ptr @"github.com/goplus/llgo/runtime/internal/runtime.AllocZ"(i64) #0
 
-define linkonce void @"github.com/goplus/llgo/cl/_testrt/tpmethod.(*future[github.com/goplus/llgo/cl/_testrt/tpmethod.Tuple[error]]).Then"(ptr %0, { ptr, ptr } %1) {
+define linkonce void @"github.com/goplus/llgo/cl/_testrt/tpmethod.(*future[github.com/goplus/llgo/cl/_testrt/tpmethod.Tuple[error]]).Then"(ptr %0, { ptr, ptr } %1) #0 {
 _llgo_0:
   %2 = getelementptr inbounds %"github.com/goplus/llgo/cl/_testrt/tpmethod.future[github.com/goplus/llgo/cl/_testrt/tpmethod.Tuple[error]]", ptr %0, i32 0, i32 0
   %3 = load { ptr, ptr }, ptr %2, align 8
@@ -182,39 +182,40 @@ _llgo_0:
   ret void
 }
 
-declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.memequalptr"(ptr, ptr)
+declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.memequalptr"(ptr, ptr) #0
 
-define linkonce i1 @"__llgo_stub.github.com/goplus/llgo/runtime/internal/runtime.memequalptr"(ptr %0, ptr %1, ptr %2) {
+define linkonce i1 @"__llgo_stub.github.com/goplus/llgo/runtime/internal/runtime.memequalptr"(ptr %0, ptr %1, ptr %2) #0 {
 _llgo_0:
   %3 = tail call i1 @"github.com/goplus/llgo/runtime/internal/runtime.memequalptr"(ptr %1, ptr %2)
   ret i1 %3
 }
 
-declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.structequal"(ptr, ptr, ptr)
+declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.structequal"(ptr, ptr, ptr) #0
 
-define linkonce %"github.com/goplus/llgo/runtime/internal/runtime.iface" @"github.com/goplus/llgo/cl/_testrt/tpmethod.(*Tuple[error]).Get"(ptr %0) {
+define linkonce %"github.com/goplus/llgo/runtime/internal/runtime.iface" @"github.com/goplus/llgo/cl/_testrt/tpmethod.(*Tuple[error]).Get"(ptr %0) #0 {
 _llgo_0:
   %1 = load %"github.com/goplus/llgo/cl/_testrt/tpmethod.Tuple[error]", ptr %0, align 8
   %2 = call %"github.com/goplus/llgo/runtime/internal/runtime.iface" @"github.com/goplus/llgo/cl/_testrt/tpmethod.Tuple[error].Get"(%"github.com/goplus/llgo/cl/_testrt/tpmethod.Tuple[error]" %1)
   ret %"github.com/goplus/llgo/runtime/internal/runtime.iface" %2
 }
 
-declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.interequal"(ptr, ptr)
+declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.interequal"(ptr, ptr) #0
 
-define linkonce i1 @"__llgo_stub.github.com/goplus/llgo/runtime/internal/runtime.interequal"(ptr %0, ptr %1, ptr %2) {
+define linkonce i1 @"__llgo_stub.github.com/goplus/llgo/runtime/internal/runtime.interequal"(ptr %0, ptr %1, ptr %2) #0 {
 _llgo_0:
   %3 = tail call i1 @"github.com/goplus/llgo/runtime/internal/runtime.interequal"(ptr %1, ptr %2)
   ret i1 %3
 }
 
-declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.strequal"(ptr, ptr)
+declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.strequal"(ptr, ptr) #0
 
-define linkonce i1 @"__llgo_stub.github.com/goplus/llgo/runtime/internal/runtime.strequal"(ptr %0, ptr %1, ptr %2) {
+define linkonce i1 @"__llgo_stub.github.com/goplus/llgo/runtime/internal/runtime.strequal"(ptr %0, ptr %1, ptr %2) #0 {
 _llgo_0:
   %3 = tail call i1 @"github.com/goplus/llgo/runtime/internal/runtime.strequal"(ptr %1, ptr %2)
   ret i1 %3
 }
 
-declare ptr @"github.com/goplus/llgo/runtime/internal/runtime.NewItab"(ptr, ptr)
+declare ptr @"github.com/goplus/llgo/runtime/internal/runtime.NewItab"(ptr, ptr) #0
 
-attributes #0 = { nocallback nofree nounwind willreturn memory(argmem: write) }
+attributes #0 = { "frame-pointer"="non-leaf" }
+attributes #1 = { nocallback nofree nounwind willreturn memory(argmem: write) "frame-pointer"="non-leaf" }
diff --git a/cl/_testrt/tpunsafe/out.ll b/cl/_testrt/tpunsafe/out.ll
index 8073bf6211..67d1584015 100644
--- a/cl/_testrt/tpunsafe/out.ll
+++ b/cl/_testrt/tpunsafe/out.ll
@@ -19,7 +19,7 @@ source_filename = "github.com/goplus/llgo/cl/_testrt/tpunsafe"
 @"*_llgo_string" = weak_odr constant %"github.com/goplus/llgo/runtime/abi.PtrType" { %"github.com/goplus/llgo/runtime/abi.Type" { i64 8, i64 8, i32 -1323879264, i8 10, i8 8, i8 8, i8 54, { ptr, ptr } { ptr @"__llgo_stub.github.com/goplus/llgo/runtime/internal/runtime.memequalptr", ptr null }, ptr null, %"github.com/goplus/llgo/runtime/internal/runtime.String" { ptr @3, i64 6 }, ptr null }, ptr @_llgo_string }, align 8
 @4 = private unnamed_addr constant [21 x i8] c"unsafe.Offsetof error", align 1
 
-define void @"github.com/goplus/llgo/cl/_testrt/tpunsafe.init"() {
+define void @"github.com/goplus/llgo/cl/_testrt/tpunsafe.init"() #0 {
 _llgo_0:
   %0 = load i1, ptr @"github.com/goplus/llgo/cl/_testrt/tpunsafe.init$guard", align 1
   br i1 %0, label %_llgo_2, label %_llgo_1
@@ -32,7 +32,7 @@ _llgo_2:                                          ; preds = %_llgo_1, %_llgo_0
   ret void
 }
 
-define void @"github.com/goplus/llgo/cl/_testrt/tpunsafe.main"() {
+define void @"github.com/goplus/llgo/cl/_testrt/tpunsafe.main"() #0 {
 _llgo_0:
   %0 = call ptr @"github.com/goplus/llgo/runtime/internal/runtime.AllocZ"(i64 12)
   call void @"github.com/goplus/llgo/cl/_testrt/tpunsafe.(*M[bool]).check"(ptr %0, i64 1, i64 8, i64 1)
@@ -41,9 +41,9 @@ _llgo_0:
   ret void
 }
 
-declare ptr @"github.com/goplus/llgo/runtime/internal/runtime.AllocZ"(i64)
+declare ptr @"github.com/goplus/llgo/runtime/internal/runtime.AllocZ"(i64) #0
 
-define linkonce void @"github.com/goplus/llgo/cl/_testrt/tpunsafe.(*M[bool]).check"(ptr %0, i64 %1, i64 %2, i64 %3) {
+define linkonce void @"github.com/goplus/llgo/cl/_testrt/tpunsafe.(*M[bool]).check"(ptr %0, i64 %1, i64 %2, i64 %3) #0 {
 _llgo_0:
   %4 = getelementptr inbounds %"github.com/goplus/llgo/cl/_testrt/tpunsafe.M[bool]", ptr %0, i32 0, i32 2
   %5 = load %"github.com/goplus/llgo/cl/_testrt/tpunsafe.N[bool]", ptr %4, align 1
@@ -112,7 +112,7 @@ _llgo_6:                                          ; preds = %_llgo_4
   ret void
 }
 
-define linkonce void @"github.com/goplus/llgo/cl/_testrt/tpunsafe.(*M[int64]).check"(ptr %0, i64 %1, i64 %2, i64 %3) {
+define linkonce void @"github.com/goplus/llgo/cl/_testrt/tpunsafe.(*M[int64]).check"(ptr %0, i64 %1, i64 %2, i64 %3) #0 {
 _llgo_0:
   %4 = getelementptr inbounds %"github.com/goplus/llgo/cl/_testrt/tpunsafe.M[int64]", ptr %0, i32 0, i32 2
   %5 = load %"github.com/goplus/llgo/cl/_testrt/tpunsafe.N[int64]", ptr %4, align 4
@@ -181,30 +181,32 @@ _llgo_6:                                          ; preds = %_llgo_4
   ret void
 }
 
-declare void @"github.com/goplus/llgo/runtime/internal/runtime.PrintString"(%"github.com/goplus/llgo/runtime/internal/runtime.String")
+declare void @"github.com/goplus/llgo/runtime/internal/runtime.PrintString"(%"github.com/goplus/llgo/runtime/internal/runtime.String") #0
 
-declare void @"github.com/goplus/llgo/runtime/internal/runtime.PrintByte"(i8)
+declare void @"github.com/goplus/llgo/runtime/internal/runtime.PrintByte"(i8) #0
 
-declare void @"github.com/goplus/llgo/runtime/internal/runtime.PrintInt"(i64)
+declare void @"github.com/goplus/llgo/runtime/internal/runtime.PrintInt"(i64) #0
 
-declare void @"github.com/goplus/llgo/runtime/internal/runtime.PrintUint"(i64)
+declare void @"github.com/goplus/llgo/runtime/internal/runtime.PrintUint"(i64) #0
 
-declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.strequal"(ptr, ptr)
+declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.strequal"(ptr, ptr) #0
 
-define linkonce i1 @"__llgo_stub.github.com/goplus/llgo/runtime/internal/runtime.strequal"(ptr %0, ptr %1, ptr %2) {
+define linkonce i1 @"__llgo_stub.github.com/goplus/llgo/runtime/internal/runtime.strequal"(ptr %0, ptr %1, ptr %2) #0 {
 _llgo_0:
   %3 = tail call i1 @"github.com/goplus/llgo/runtime/internal/runtime.strequal"(ptr %1, ptr %2)
   ret i1 %3
 }
 
-declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.memequalptr"(ptr, ptr)
+declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.memequalptr"(ptr, ptr) #0
 
-define linkonce i1 @"__llgo_stub.github.com/goplus/llgo/runtime/internal/runtime.memequalptr"(ptr %0, ptr %1, ptr %2) {
+define linkonce i1 @"__llgo_stub.github.com/goplus/llgo/runtime/internal/runtime.memequalptr"(ptr %0, ptr %1, ptr %2) #0 {
 _llgo_0:
   %3 = tail call i1 @"github.com/goplus/llgo/runtime/internal/runtime.memequalptr"(ptr %1, ptr %2)
   ret i1 %3
 }
 
-declare ptr @"github.com/goplus/llgo/runtime/internal/runtime.AllocU"(i64)
+declare ptr @"github.com/goplus/llgo/runtime/internal/runtime.AllocU"(i64) #0
 
-declare void @"github.com/goplus/llgo/runtime/internal/runtime.Panic"(%"github.com/goplus/llgo/runtime/internal/runtime.eface")
+declare void @"github.com/goplus/llgo/runtime/internal/runtime.Panic"(%"github.com/goplus/llgo/runtime/internal/runtime.eface") #0
+
+attributes #0 = { "frame-pointer"="non-leaf" }
diff --git a/cl/_testrt/typalias/out.ll b/cl/_testrt/typalias/out.ll
index 5ce7a11735..3eed681031 100644
--- a/cl/_testrt/typalias/out.ll
+++ b/cl/_testrt/typalias/out.ll
@@ -7,7 +7,7 @@ source_filename = "github.com/goplus/llgo/cl/_testrt/typalias"
 @"github.com/goplus/llgo/cl/_testrt/typalias.format" = global [10 x i8] zeroinitializer, align 1
 @"github.com/goplus/llgo/cl/_testrt/typalias.init$guard" = global i1 false, align 1
 
-define void @"github.com/goplus/llgo/cl/_testrt/typalias.Print"(ptr %0) {
+define void @"github.com/goplus/llgo/cl/_testrt/typalias.Print"(ptr %0) #0 {
 _llgo_0:
   %1 = getelementptr inbounds { i32, i1 }, ptr %0, i32 0, i32 1
   %2 = load i1, ptr %1, align 1
@@ -23,16 +23,16 @@ _llgo_2:                                          ; preds = %_llgo_1, %_llgo_0
   ret void
 }
 
-define ptr @"github.com/goplus/llgo/cl/_testrt/typalias._Cgo_ptr"(ptr %0) {
+define ptr @"github.com/goplus/llgo/cl/_testrt/typalias._Cgo_ptr"(ptr %0) #0 {
 _llgo_0:
   ret ptr %0
 }
 
-declare void @runtime.cgoUse(%"github.com/goplus/llgo/runtime/internal/runtime.eface")
+declare void @runtime.cgoUse(%"github.com/goplus/llgo/runtime/internal/runtime.eface") #0
 
-declare void @runtime.cgoCheckResult(%"github.com/goplus/llgo/runtime/internal/runtime.eface")
+declare void @runtime.cgoCheckResult(%"github.com/goplus/llgo/runtime/internal/runtime.eface") #0
 
-define void @"github.com/goplus/llgo/cl/_testrt/typalias.init"() {
+define void @"github.com/goplus/llgo/cl/_testrt/typalias.init"() #0 {
 _llgo_0:
   %0 = load i1, ptr @"github.com/goplus/llgo/cl/_testrt/typalias.init$guard", align 1
   br i1 %0, label %_llgo_2, label %_llgo_1
@@ -56,7 +56,7 @@ _llgo_2:                                          ; preds = %_llgo_1, %_llgo_0
   ret void
 }
 
-define void @"github.com/goplus/llgo/cl/_testrt/typalias.main"() {
+define void @"github.com/goplus/llgo/cl/_testrt/typalias.main"() #0 {
 _llgo_0:
   %0 = call ptr @"github.com/goplus/llgo/runtime/internal/runtime.AllocZ"(i64 8)
   %1 = getelementptr inbounds { i32, i1 }, ptr %0, i32 0, i32 0
@@ -67,8 +67,10 @@ _llgo_0:
   ret void
 }
 
-declare void @printf(ptr, ...)
+declare void @printf(ptr, ...) #0
 
-declare void @syscall.init()
+declare void @syscall.init() #0
 
-declare ptr @"github.com/goplus/llgo/runtime/internal/runtime.AllocZ"(i64)
+declare ptr @"github.com/goplus/llgo/runtime/internal/runtime.AllocZ"(i64) #0
+
+attributes #0 = { "frame-pointer"="non-leaf" }
diff --git a/cl/_testrt/typed/out.ll b/cl/_testrt/typed/out.ll
index 02e99d3eb4..32f984dcbc 100644
--- a/cl/_testrt/typed/out.ll
+++ b/cl/_testrt/typed/out.ll
@@ -30,7 +30,7 @@ source_filename = "github.com/goplus/llgo/cl/_testrt/typed"
 @7 = private unnamed_addr constant [5 x i8] c"[]int", align 1
 @"*[]_llgo_int" = weak_odr constant %"github.com/goplus/llgo/runtime/abi.PtrType" { %"github.com/goplus/llgo/runtime/abi.Type" { i64 8, i64 8, i32 -1428175521, i8 10, i8 8, i8 8, i8 54, { ptr, ptr } { ptr @"__llgo_stub.github.com/goplus/llgo/runtime/internal/runtime.memequalptr", ptr null }, ptr null, %"github.com/goplus/llgo/runtime/internal/runtime.String" { ptr @7, i64 5 }, ptr null }, ptr @"[]_llgo_int" }, align 8
 
-define void @"github.com/goplus/llgo/cl/_testrt/typed.init"() {
+define void @"github.com/goplus/llgo/cl/_testrt/typed.init"() #0 {
 _llgo_0:
   %0 = load i1, ptr @"github.com/goplus/llgo/cl/_testrt/typed.init$guard", align 1
   br i1 %0, label %_llgo_2, label %_llgo_1
@@ -43,7 +43,7 @@ _llgo_2:                                          ; preds = %_llgo_1, %_llgo_0
   ret void
 }
 
-define void @"github.com/goplus/llgo/cl/_testrt/typed.main"() {
+define void @"github.com/goplus/llgo/cl/_testrt/typed.main"() #0 {
 _llgo_0:
   %0 = call ptr @"github.com/goplus/llgo/runtime/internal/runtime.AllocU"(i64 16)
   store %"github.com/goplus/llgo/runtime/internal/runtime.String" { ptr @0, i64 5 }, ptr %0, align 8
@@ -130,45 +130,46 @@ _llgo_8:                                          ; preds = %_llgo_7, %_llgo_6
   ret void
 }
 
-declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.strequal"(ptr, ptr)
+declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.strequal"(ptr, ptr) #0
 
-define linkonce i1 @"__llgo_stub.github.com/goplus/llgo/runtime/internal/runtime.strequal"(ptr %0, ptr %1, ptr %2) {
+define linkonce i1 @"__llgo_stub.github.com/goplus/llgo/runtime/internal/runtime.strequal"(ptr %0, ptr %1, ptr %2) #0 {
 _llgo_0:
   %3 = tail call i1 @"github.com/goplus/llgo/runtime/internal/runtime.strequal"(ptr %1, ptr %2)
   ret i1 %3
 }
 
-declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.memequalptr"(ptr, ptr)
+declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.memequalptr"(ptr, ptr) #0
 
-define linkonce i1 @"__llgo_stub.github.com/goplus/llgo/runtime/internal/runtime.memequalptr"(ptr %0, ptr %1, ptr %2) {
+define linkonce i1 @"__llgo_stub.github.com/goplus/llgo/runtime/internal/runtime.memequalptr"(ptr %0, ptr %1, ptr %2) #0 {
 _llgo_0:
   %3 = tail call i1 @"github.com/goplus/llgo/runtime/internal/runtime.memequalptr"(ptr %1, ptr %2)
   ret i1 %3
 }
 
-declare ptr @"github.com/goplus/llgo/runtime/internal/runtime.AllocU"(i64)
+declare ptr @"github.com/goplus/llgo/runtime/internal/runtime.AllocU"(i64) #0
 
-declare void @"github.com/goplus/llgo/runtime/internal/runtime.Panic"(%"github.com/goplus/llgo/runtime/internal/runtime.eface")
+declare void @"github.com/goplus/llgo/runtime/internal/runtime.Panic"(%"github.com/goplus/llgo/runtime/internal/runtime.eface") #0
 
-declare void @"github.com/goplus/llgo/runtime/internal/runtime.PrintString"(%"github.com/goplus/llgo/runtime/internal/runtime.String")
+declare void @"github.com/goplus/llgo/runtime/internal/runtime.PrintString"(%"github.com/goplus/llgo/runtime/internal/runtime.String") #0
 
-declare void @"github.com/goplus/llgo/runtime/internal/runtime.PrintByte"(i8)
+declare void @"github.com/goplus/llgo/runtime/internal/runtime.PrintByte"(i8) #0
 
-declare void @"github.com/goplus/llgo/runtime/internal/runtime.PrintBool"(i1)
+declare void @"github.com/goplus/llgo/runtime/internal/runtime.PrintBool"(i1) #0
 
 ; Function Attrs: nocallback nofree nounwind willreturn memory(argmem: write)
-declare void @llvm.memset(ptr nocapture writeonly, i8, i64, i1 immarg) #0
+declare void @llvm.memset(ptr nocapture writeonly, i8, i64, i1 immarg) #1
 
-declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.arrayequal"(ptr, ptr, ptr)
+declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.arrayequal"(ptr, ptr, ptr) #0
 
-declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.memequal64"(ptr, ptr)
+declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.memequal64"(ptr, ptr) #0
 
-define linkonce i1 @"__llgo_stub.github.com/goplus/llgo/runtime/internal/runtime.memequal64"(ptr %0, ptr %1, ptr %2) {
+define linkonce i1 @"__llgo_stub.github.com/goplus/llgo/runtime/internal/runtime.memequal64"(ptr %0, ptr %1, ptr %2) #0 {
 _llgo_0:
   %3 = tail call i1 @"github.com/goplus/llgo/runtime/internal/runtime.memequal64"(ptr %1, ptr %2)
   ret i1 %3
 }
 
-declare void @"github.com/goplus/llgo/runtime/internal/runtime.PrintInt"(i64)
+declare void @"github.com/goplus/llgo/runtime/internal/runtime.PrintInt"(i64) #0
 
-attributes #0 = { nocallback nofree nounwind willreturn memory(argmem: write) }
+attributes #0 = { "frame-pointer"="non-leaf" }
+attributes #1 = { nocallback nofree nounwind willreturn memory(argmem: write) "frame-pointer"="non-leaf" }
diff --git a/cl/_testrt/unreachable/out.ll b/cl/_testrt/unreachable/out.ll
index a3190e62ac..d39bf33deb 100644
--- a/cl/_testrt/unreachable/out.ll
+++ b/cl/_testrt/unreachable/out.ll
@@ -4,13 +4,13 @@ source_filename = "github.com/goplus/llgo/cl/_testrt/unreachable"
 @"github.com/goplus/llgo/cl/_testrt/unreachable.init$guard" = global i1 false, align 1
 @0 = private unnamed_addr constant [7 x i8] c"Hello\0A\00", align 1
 
-define void @"github.com/goplus/llgo/cl/_testrt/unreachable.foo"() {
+define void @"github.com/goplus/llgo/cl/_testrt/unreachable.foo"() #0 {
 _llgo_0:
   unreachable
   ret void
 }
 
-define void @"github.com/goplus/llgo/cl/_testrt/unreachable.init"() {
+define void @"github.com/goplus/llgo/cl/_testrt/unreachable.init"() #0 {
 _llgo_0:
   %0 = load i1, ptr @"github.com/goplus/llgo/cl/_testrt/unreachable.init$guard", align 1
   br i1 %0, label %_llgo_2, label %_llgo_1
@@ -23,11 +23,13 @@ _llgo_2:                                          ; preds = %_llgo_1, %_llgo_0
   ret void
 }
 
-define void @"github.com/goplus/llgo/cl/_testrt/unreachable.main"() {
+define void @"github.com/goplus/llgo/cl/_testrt/unreachable.main"() #0 {
 _llgo_0:
   call void @"github.com/goplus/llgo/cl/_testrt/unreachable.foo"()
   %0 = call i32 (ptr, ...) @printf(ptr @0)
   ret void
 }
 
-declare i32 @printf(ptr, ...)
+declare i32 @printf(ptr, ...) #0
+
+attributes #0 = { "frame-pointer"="non-leaf" }
diff --git a/cl/_testrt/unsafe/out.ll b/cl/_testrt/unsafe/out.ll
index b06cb5ae90..38de1e9828 100644
--- a/cl/_testrt/unsafe/out.ll
+++ b/cl/_testrt/unsafe/out.ll
@@ -15,7 +15,7 @@ source_filename = "github.com/goplus/llgo/cl/_testrt/unsafe"
 @2 = private unnamed_addr constant [4 x i8] c"abc\00", align 1
 @3 = private unnamed_addr constant [3 x i8] c"abc", align 1
 
-define void @"github.com/goplus/llgo/cl/_testrt/unsafe.init"() {
+define void @"github.com/goplus/llgo/cl/_testrt/unsafe.init"() #0 {
 _llgo_0:
   %0 = load i1, ptr @"github.com/goplus/llgo/cl/_testrt/unsafe.init$guard", align 1
   br i1 %0, label %_llgo_2, label %_llgo_1
@@ -28,7 +28,7 @@ _llgo_2:                                          ; preds = %_llgo_1, %_llgo_0
   ret void
 }
 
-define void @"github.com/goplus/llgo/cl/_testrt/unsafe.main"() {
+define void @"github.com/goplus/llgo/cl/_testrt/unsafe.main"() #0 {
 _llgo_0:
   br i1 false, label %_llgo_1, label %_llgo_2
 
@@ -227,28 +227,30 @@ _llgo_33:                                         ; preds = %_llgo_31
   ret void
 }
 
-declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.strequal"(ptr, ptr)
+declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.strequal"(ptr, ptr) #0
 
-define linkonce i1 @"__llgo_stub.github.com/goplus/llgo/runtime/internal/runtime.strequal"(ptr %0, ptr %1, ptr %2) {
+define linkonce i1 @"__llgo_stub.github.com/goplus/llgo/runtime/internal/runtime.strequal"(ptr %0, ptr %1, ptr %2) #0 {
 _llgo_0:
   %3 = tail call i1 @"github.com/goplus/llgo/runtime/internal/runtime.strequal"(ptr %1, ptr %2)
   ret i1 %3
 }
 
-declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.memequalptr"(ptr, ptr)
+declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.memequalptr"(ptr, ptr) #0
 
-define linkonce i1 @"__llgo_stub.github.com/goplus/llgo/runtime/internal/runtime.memequalptr"(ptr %0, ptr %1, ptr %2) {
+define linkonce i1 @"__llgo_stub.github.com/goplus/llgo/runtime/internal/runtime.memequalptr"(ptr %0, ptr %1, ptr %2) #0 {
 _llgo_0:
   %3 = tail call i1 @"github.com/goplus/llgo/runtime/internal/runtime.memequalptr"(ptr %1, ptr %2)
   ret i1 %3
 }
 
-declare ptr @"github.com/goplus/llgo/runtime/internal/runtime.AllocU"(i64)
+declare ptr @"github.com/goplus/llgo/runtime/internal/runtime.AllocU"(i64) #0
 
-declare void @"github.com/goplus/llgo/runtime/internal/runtime.Panic"(%"github.com/goplus/llgo/runtime/internal/runtime.eface")
+declare void @"github.com/goplus/llgo/runtime/internal/runtime.Panic"(%"github.com/goplus/llgo/runtime/internal/runtime.eface") #0
 
-declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.StringEqual"(%"github.com/goplus/llgo/runtime/internal/runtime.String", %"github.com/goplus/llgo/runtime/internal/runtime.String")
+declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.StringEqual"(%"github.com/goplus/llgo/runtime/internal/runtime.String", %"github.com/goplus/llgo/runtime/internal/runtime.String") #0
 
-declare ptr @"github.com/goplus/llgo/runtime/internal/runtime.AllocZ"(i64)
+declare ptr @"github.com/goplus/llgo/runtime/internal/runtime.AllocZ"(i64) #0
 
-declare void @"github.com/goplus/llgo/runtime/internal/runtime.AssertIndexRange"(i1)
+declare void @"github.com/goplus/llgo/runtime/internal/runtime.AssertIndexRange"(i1) #0
+
+attributes #0 = { "frame-pointer"="non-leaf" }
diff --git a/cl/_testrt/vamethod/out.ll b/cl/_testrt/vamethod/out.ll
index 4995830cc2..ba6fc4d196 100644
--- a/cl/_testrt/vamethod/out.ll
+++ b/cl/_testrt/vamethod/out.ll
@@ -68,7 +68,7 @@ source_filename = "github.com/goplus/llgo/cl/_testrt/vamethod"
 @21 = private unnamed_addr constant [6 x i8] c"string", align 1
 @"*_llgo_string" = weak_odr constant %"github.com/goplus/llgo/runtime/abi.PtrType" { %"github.com/goplus/llgo/runtime/abi.Type" { i64 8, i64 8, i32 -1323879264, i8 10, i8 8, i8 8, i8 54, { ptr, ptr } { ptr @"__llgo_stub.github.com/goplus/llgo/runtime/internal/runtime.memequalptr", ptr null }, ptr null, %"github.com/goplus/llgo/runtime/internal/runtime.String" { ptr @21, i64 6 }, ptr null }, ptr @_llgo_string }, align 8
 
-define i32 @"github.com/goplus/llgo/cl/_testrt/vamethod.CFmt.Printf"(%"github.com/goplus/llgo/cl/_testrt/vamethod.CFmt" %0, ...) {
+define i32 @"github.com/goplus/llgo/cl/_testrt/vamethod.CFmt.Printf"(%"github.com/goplus/llgo/cl/_testrt/vamethod.CFmt" %0, ...) #0 {
 _llgo_0:
   %1 = alloca %"github.com/goplus/llgo/cl/_testrt/vamethod.CFmt", align 8
   call void @llvm.memset(ptr %1, i8 0, i64 8, i1 false)
@@ -79,7 +79,7 @@ _llgo_0:
   ret i32 %4
 }
 
-define i32 @"github.com/goplus/llgo/cl/_testrt/vamethod.(*CFmt).Printf"(ptr %0, ...) {
+define i32 @"github.com/goplus/llgo/cl/_testrt/vamethod.(*CFmt).Printf"(ptr %0, ...) #0 {
 _llgo_0:
   %1 = getelementptr inbounds %"github.com/goplus/llgo/cl/_testrt/vamethod.CFmt", ptr %0, i32 0, i32 0
   %2 = load ptr, ptr %1, align 8
@@ -87,14 +87,14 @@ _llgo_0:
   ret i32 %3
 }
 
-define void @"github.com/goplus/llgo/cl/_testrt/vamethod.(*CFmt).SetFormat"(ptr %0, ptr %1) {
+define void @"github.com/goplus/llgo/cl/_testrt/vamethod.(*CFmt).SetFormat"(ptr %0, ptr %1) #0 {
 _llgo_0:
   %2 = getelementptr inbounds %"github.com/goplus/llgo/cl/_testrt/vamethod.CFmt", ptr %0, i32 0, i32 0
   store ptr %1, ptr %2, align 8
   ret void
 }
 
-define void @"github.com/goplus/llgo/cl/_testrt/vamethod.init"() {
+define void @"github.com/goplus/llgo/cl/_testrt/vamethod.init"() #0 {
 _llgo_0:
   %0 = load i1, ptr @"github.com/goplus/llgo/cl/_testrt/vamethod.init$guard", align 1
   br i1 %0, label %_llgo_2, label %_llgo_1
@@ -107,7 +107,7 @@ _llgo_2:                                          ; preds = %_llgo_1, %_llgo_0
   ret void
 }
 
-define void @"github.com/goplus/llgo/cl/_testrt/vamethod.main"() {
+define void @"github.com/goplus/llgo/cl/_testrt/vamethod.main"() #0 {
 _llgo_0:
   %0 = call ptr @"github.com/goplus/llgo/runtime/internal/runtime.AllocZ"(i64 8)
   call void @"github.com/goplus/llgo/cl/_testrt/vamethod.(*CFmt).SetFormat"(ptr %0, ptr @0)
@@ -172,70 +172,71 @@ _llgo_5:                                          ; preds = %_llgo_4, %_llgo_3
 }
 
 ; Function Attrs: nocallback nofree nounwind willreturn memory(argmem: write)
-declare void @llvm.memset(ptr nocapture writeonly, i8, i64, i1 immarg) #0
+declare void @llvm.memset(ptr nocapture writeonly, i8, i64, i1 immarg) #1
 
-declare i32 @printf(ptr, ...)
+declare i32 @printf(ptr, ...) #0
 
-declare ptr @"github.com/goplus/llgo/runtime/internal/runtime.AllocZ"(i64)
+declare ptr @"github.com/goplus/llgo/runtime/internal/runtime.AllocZ"(i64) #0
 
-declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.memequalptr"(ptr, ptr)
+declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.memequalptr"(ptr, ptr) #0
 
-define linkonce i1 @"__llgo_stub.github.com/goplus/llgo/runtime/internal/runtime.memequalptr"(ptr %0, ptr %1, ptr %2) {
+define linkonce i1 @"__llgo_stub.github.com/goplus/llgo/runtime/internal/runtime.memequalptr"(ptr %0, ptr %1, ptr %2) #0 {
 _llgo_0:
   %3 = tail call i1 @"github.com/goplus/llgo/runtime/internal/runtime.memequalptr"(ptr %1, ptr %2)
   ret i1 %3
 }
 
-declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.structequal"(ptr, ptr, ptr)
+declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.structequal"(ptr, ptr, ptr) #0
 
-declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.memequal8"(ptr, ptr)
+declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.memequal8"(ptr, ptr) #0
 
-define linkonce i1 @"__llgo_stub.github.com/goplus/llgo/runtime/internal/runtime.memequal8"(ptr %0, ptr %1, ptr %2) {
+define linkonce i1 @"__llgo_stub.github.com/goplus/llgo/runtime/internal/runtime.memequal8"(ptr %0, ptr %1, ptr %2) #0 {
 _llgo_0:
   %3 = tail call i1 @"github.com/goplus/llgo/runtime/internal/runtime.memequal8"(ptr %1, ptr %2)
   ret i1 %3
 }
 
-declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.nilinterequal"(ptr, ptr)
+declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.nilinterequal"(ptr, ptr) #0
 
-define linkonce i1 @"__llgo_stub.github.com/goplus/llgo/runtime/internal/runtime.nilinterequal"(ptr %0, ptr %1, ptr %2) {
+define linkonce i1 @"__llgo_stub.github.com/goplus/llgo/runtime/internal/runtime.nilinterequal"(ptr %0, ptr %1, ptr %2) #0 {
 _llgo_0:
   %3 = tail call i1 @"github.com/goplus/llgo/runtime/internal/runtime.nilinterequal"(ptr %1, ptr %2)
   ret i1 %3
 }
 
-declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.memequal32"(ptr, ptr)
+declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.memequal32"(ptr, ptr) #0
 
-define linkonce i1 @"__llgo_stub.github.com/goplus/llgo/runtime/internal/runtime.memequal32"(ptr %0, ptr %1, ptr %2) {
+define linkonce i1 @"__llgo_stub.github.com/goplus/llgo/runtime/internal/runtime.memequal32"(ptr %0, ptr %1, ptr %2) #0 {
 _llgo_0:
   %3 = tail call i1 @"github.com/goplus/llgo/runtime/internal/runtime.memequal32"(ptr %1, ptr %2)
   ret i1 %3
 }
 
-declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.interequal"(ptr, ptr)
+declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.interequal"(ptr, ptr) #0
 
-define linkonce i1 @"__llgo_stub.github.com/goplus/llgo/runtime/internal/runtime.interequal"(ptr %0, ptr %1, ptr %2) {
+define linkonce i1 @"__llgo_stub.github.com/goplus/llgo/runtime/internal/runtime.interequal"(ptr %0, ptr %1, ptr %2) #0 {
 _llgo_0:
   %3 = tail call i1 @"github.com/goplus/llgo/runtime/internal/runtime.interequal"(ptr %1, ptr %2)
   ret i1 %3
 }
 
-declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.Implements"(ptr, ptr)
+declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.Implements"(ptr, ptr) #0
 
-declare ptr @"github.com/goplus/llgo/runtime/internal/runtime.NewItab"(ptr, ptr)
+declare ptr @"github.com/goplus/llgo/runtime/internal/runtime.NewItab"(ptr, ptr) #0
 
-declare ptr @"github.com/goplus/llgo/runtime/internal/runtime.IfacePtrData"(%"github.com/goplus/llgo/runtime/internal/runtime.iface")
+declare ptr @"github.com/goplus/llgo/runtime/internal/runtime.IfacePtrData"(%"github.com/goplus/llgo/runtime/internal/runtime.iface") #0
 
-declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.strequal"(ptr, ptr)
+declare i1 @"github.com/goplus/llgo/runtime/internal/runtime.strequal"(ptr, ptr) #0
 
-define linkonce i1 @"__llgo_stub.github.com/goplus/llgo/runtime/internal/runtime.strequal"(ptr %0, ptr %1, ptr %2) {
+define linkonce i1 @"__llgo_stub.github.com/goplus/llgo/runtime/internal/runtime.strequal"(ptr %0, ptr %1, ptr %2) #0 {
 _llgo_0:
   %3 = tail call i1 @"github.com/goplus/llgo/runtime/internal/runtime.strequal"(ptr %1, ptr %2)
   ret i1 %3
 }
 
-declare ptr @"github.com/goplus/llgo/runtime/internal/runtime.AllocU"(i64)
+declare ptr @"github.com/goplus/llgo/runtime/internal/runtime.AllocU"(i64) #0
 
-declare void @"github.com/goplus/llgo/runtime/internal/runtime.Panic"(%"github.com/goplus/llgo/runtime/internal/runtime.eface")
+declare void @"github.com/goplus/llgo/runtime/internal/runtime.Panic"(%"github.com/goplus/llgo/runtime/internal/runtime.eface") #0
 
-attributes #0 = { nocallback nofree nounwind willreturn memory(argmem: write) }
+attributes #0 = { "frame-pointer"="non-leaf" }
+attributes #1 = { nocallback nofree nounwind willreturn memory(argmem: write) "frame-pointer"="non-leaf" }
diff --git a/cl/compile.go b/cl/compile.go
index c40780969c..980d6b4f3d 100644
--- a/cl/compile.go
+++ b/cl/compile.go
@@ -1246,6 +1246,7 @@ func newPackageEx(prog llssa.Program, patches Patches, rewrites map[string]strin
 		ctx.initAfter = nil
 		fn()
 	}
+	ret.MaterializePreserveSyms()
 	externs = ctx.cgoSymbols
 	return
 }
diff --git a/cl/compile_test.go b/cl/compile_test.go
index fb5ec77d9a..a62059a443 100644
--- a/cl/compile_test.go
+++ b/cl/compile_test.go
@@ -126,7 +126,7 @@ source_filename = "foo"
 @foo.a = global i64 0, align 8
 @"foo.init$guard" = global i1 false, align 1
 
-define void @foo.init() {
+define void @foo.init() #0 {
 _llgo_0:
   %0 = load i1, ptr @"foo.init$guard", align 1
   br i1 %0, label %_llgo_2, label %_llgo_1
@@ -138,6 +138,8 @@ _llgo_1:                                          ; preds = %_llgo_0
 _llgo_2:                                          ; preds = %_llgo_1, %_llgo_0
   ret void
 }
+
+attributes #0 = { "frame-pointer"="non-leaf" }
 `)
 }
 
@@ -152,12 +154,12 @@ source_filename = "foo"
 
 @"foo.init$guard" = global i1 false, align 1
 
-define i64 @foo.fn(i64 %0, double %1) {
+define i64 @foo.fn(i64 %0, double %1) #0 {
 _llgo_0:
   ret i64 1
 }
 
-define void @foo.init() {
+define void @foo.init() #0 {
 _llgo_0:
   %0 = load i1, ptr @"foo.init$guard", align 1
   br i1 %0, label %_llgo_2, label %_llgo_1
@@ -169,5 +171,7 @@ _llgo_1:                                          ; preds = %_llgo_0
 _llgo_2:                                          ; preds = %_llgo_1, %_llgo_0
   ret void
 }
+
+attributes #0 = { "frame-pointer"="non-leaf" }
 `)
 }
diff --git a/internal/build/plan9asm.go b/internal/build/plan9asm.go
index 4ed761486b..f7e0637695 100644
--- a/internal/build/plan9asm.go
+++ b/internal/build/plan9asm.go
@@ -254,6 +254,10 @@ func filterPlan9AsmFuncs(pkgPath, goos, goarch string, funcs []plan9asm.Func, re
 		if pkgPath == "syscall" && goos == "linux" && (goarch == "arm64" || goarch == "amd64") && strings.HasSuffix(resolved, "rawVforkSyscall") {
 			continue
 		}
+		if pkgPath == "syscall" && goos == "darwin" && (goarch == "arm64" || goarch == "amd64") &&
+			(strings.HasSuffix(resolved, "RawSyscall") || strings.HasSuffix(resolved, "RawSyscall6")) {
+			continue
+		}
 		keep = append(keep, fn)
 	}
 	return keep
diff --git a/internal/crosscompile/crosscompile.go b/internal/crosscompile/crosscompile.go
index 0248b603d1..4e32c83627 100644
--- a/internal/crosscompile/crosscompile.go
+++ b/internal/crosscompile/crosscompile.go
@@ -225,8 +225,9 @@ func use(goos, goarch string, wasiThreads, forceEspClang bool) (export Export, e
 			"-Wl,--error-limit=0",
 			"-fuse-ld=lld",
 			// Enable ICF (Identical Code Folding) to reduce binary size
-			"-Xlinker",
-			"--icf=safe",
+			"-Wl,--icf=safe",
+			// Enable ThinLTO, Using default lto kind(thinlto).
+			"-Wl,--lto-O0",
 		}
 		if clangRoot != "" {
 			clangLib := filepath.Join(clangRoot, "lib")
@@ -249,6 +250,7 @@ func use(goos, goarch string, wasiThreads, forceEspClang bool) (export Export, e
 		export.CCFLAGS = []string{
 			"-Qunused-arguments",
 			"-Wno-unused-command-line-argument",
+			"-flto=thin",
 		}
 
 		// Add sysroot for macOS only
@@ -499,6 +501,13 @@ func UseTarget(targetName string) (export Export, err error) {
 	expandedCFlags := env.ExpandEnvSlice(config.CFlags, envs)
 	cflags = append(cflags, expandedCFlags...)
 
+	if config.Linker == "ld.lld" {
+		// Enable ThinLTO, Using default lto kind(thinlto).
+		ldflags = append(ldflags, "--lto-O0")
+		cflags = append(cflags, "-flto=thin")
+		ccflags = append(ccflags, "-flto=thin")
+	}
+
 	// The following parameters are inspired by tinygo/builder/library.go
 	// Handle CPU configuration
 	if cpu != "" {
@@ -545,6 +554,8 @@ func UseTarget(targetName string) (export Export, err error) {
 		ccflags = append(ccflags, "-fforce-enable-int128")
 	case "riscv64":
 		ccflags = append(ccflags, "-march=rv64gc")
+		// codegen option should be added to ldflags for lto
+		ldflags = append(ldflags, "-mllvm", "-march=rv64gc")
 	case "mips":
 		ccflags = append(ccflags, "-fno-pic")
 	}
@@ -574,9 +585,13 @@ func UseTarget(targetName string) (export Export, err error) {
 	// Handle code generation configuration
 	if config.CodeModel != "" {
 		ccflags = append(ccflags, "-mcmodel="+config.CodeModel)
+		// codegen option should be added to ldflags for lto
+		ldflags = append(ldflags, "-mllvm", "-code-model="+config.CodeModel)
 	}
 	if config.TargetABI != "" {
 		ccflags = append(ccflags, "-mabi="+config.TargetABI)
+		// codegen option should be added to ldflags for lto
+		ldflags = append(ldflags, "-mllvm", "-target-abi="+config.TargetABI)
 	}
 	if config.RelocationModel != "" {
 		switch config.RelocationModel {
diff --git a/ssa/datastruct.go b/ssa/datastruct.go
index fd0ae45dbb..1cafc2bcd5 100644
--- a/ssa/datastruct.go
+++ b/ssa/datastruct.go
@@ -342,6 +342,10 @@ func (b Builder) Slice(x, low, high, max Expr) (ret Expr) {
 	if lowIsNil {
 		low = prog.IntVal(0, prog.Int())
 	}
+	low = b.fitIntSize(low)
+	if !high.IsNil() {
+		high = b.fitIntSize(high)
+	}
 	switch t := x.raw.Type.Underlying().(type) {
 	case *types.Basic:
 		if t.Kind() != types.String {
@@ -382,6 +386,7 @@ func (b Builder) Slice(x, low, high, max Expr) (ret Expr) {
 	if max.IsNil() {
 		max = nCap
 	}
+	max = b.fitIntSize(max)
 	ret.impl = b.InlineCall(b.Pkg.rtFunc("NewSlice3"), base, nEltSize, nCap, low, high, max).impl
 	return
 }
diff --git a/ssa/decl.go b/ssa/decl.go
index 36e06de03b..eec0347ee3 100644
--- a/ssa/decl.go
+++ b/ssa/decl.go
@@ -211,6 +211,10 @@ func (p Package) NewFuncEx(name string, sig *types.Signature, bg Background, has
 	if instantiated {
 		fn.SetLinkage(llvm.LinkOnceAnyLinkage)
 	}
+	if p.isPreservedName(name) {
+		p.markLLVMUsed(fn)
+	}
+	fn.AddFunctionAttr(p.NonLeafAttr)
 	ret := newFunction(fn, t, p, p.Prog, hasFreeVars)
 	p.fns[name] = ret
 	return ret
diff --git a/ssa/package.go b/ssa/package.go
index f0ebd564b8..36e32bb3ca 100644
--- a/ssa/package.go
+++ b/ssa/package.go
@@ -436,7 +436,10 @@ func (p Program) NewPackage(name, pkgPath string) Package {
 		mod: mod, Prog: p, vars: gbls, fns: fns,
 		pyobjs: pyobjs, pymods: pymods, strs: strs,
 		di: nil, cu: nil, glbDbgVars: glbDbgVars,
-		export: make(map[string]string),
+		export:         make(map[string]string),
+		preserveSyms:   make(map[string]struct{}),
+		llvmUsedValues: make([]llvm.Value, 0, 4),
+		NonLeafAttr:    p.ctx.CreateStringAttribute("frame-pointer", "non-leaf"),
 	}
 	ret.abi.Init(pkgPath, uintptr(p.ptrSize), (*goProgram)(unsafe.Pointer(p)))
 	return ret
@@ -701,7 +704,10 @@ type aPackage struct {
 	NeedPyInit  bool
 	NeedAbiInit bool // need load all abi types for reflect make type
 
-	export map[string]string // pkgPath.nameInPkg => exportname
+	export         map[string]string   // pkgPath.nameInPkg => exportname
+	preserveSyms   map[string]struct{} // set of exported symbol names
+	llvmUsedValues []llvm.Value
+	NonLeafAttr    llvm.Attribute
 }
 
 type Package = *aPackage
@@ -712,12 +718,35 @@ func (p Package) Module() llvm.Module {
 
 func (p Package) SetExport(name, export string) {
 	p.export[name] = export
+	p.preserveSyms[export] = struct{}{}
 }
 
 func (p Package) ExportFuncs() map[string]string {
 	return p.export
 }
 
+func (p Package) isPreservedName(name string) bool {
+	_, ok := p.preserveSyms[name]
+	return ok
+}
+
+func (p Package) markLLVMUsed(v llvm.Value) {
+	elemTyp := p.Prog.VoidPtr().ll
+	p.llvmUsedValues = append(p.llvmUsedValues, llvm.ConstBitCast(v, elemTyp))
+}
+
+func (p Package) MaterializePreserveSyms() {
+	if len(p.llvmUsedValues) == 0 {
+		return
+	}
+	elemTyp := p.Prog.VoidPtr().ll
+	init := llvm.ConstArray(elemTyp, p.llvmUsedValues)
+	global := llvm.AddGlobal(p.mod, init.Type(), "llvm.compiler.used")
+	global.SetInitializer(init)
+	global.SetLinkage(llvm.AppendingLinkage)
+	global.SetSection("llvm.metadata")
+}
+
 func (p Package) rtFunc(fnName string) Expr {
 	p.NeedRuntime = true
 	fn := p.Prog.runtime().Scope().Lookup(fnName).(*types.Func)
diff --git a/ssa/ssa_test.go b/ssa/ssa_test.go
index 913e082898..5570179426 100644
--- a/ssa/ssa_test.go
+++ b/ssa/ssa_test.go
@@ -107,6 +107,34 @@ func TestPointerSize(t *testing.T) {
 	}
 }
 
+func TestNewFuncExLLVMUsed(t *testing.T) {
+	prog := NewProgram(nil)
+	pkg := prog.NewPackage("main", "main")
+	sig := types.NewSignatureType(nil, nil, nil, nil, nil, false)
+
+	// Mark the exported name before function creation so NewFuncEx can protect it via llvm.compiler.used.
+	pkg.SetExport("main.Foo", "Foo")
+	pkg.SetExport("main.Bar", "Bar")
+	pkg.NewFunc("Foo", sig, InGo)
+	pkg.NewFunc("Bar", sig, InGo)
+	pkg.NewFunc("Baz", sig, InGo)
+	pkg.MaterializePreserveSyms()
+
+	used := pkg.Module().NamedGlobal("llvm.compiler.used")
+	if used.IsNil() {
+		t.Fatal("missing llvm.compiler.used")
+	}
+	if got := used.Linkage(); got != llvm.AppendingLinkage {
+		t.Fatalf("llvm.compiler.used linkage = %v, want %v", got, llvm.AppendingLinkage)
+	}
+	if got := used.Section(); got != "llvm.metadata" {
+		t.Fatalf("llvm.compiler.used section = %q, want %q", got, "llvm.metadata")
+	}
+	if got := pkg.String(); !strings.Contains(got, `@llvm.compiler.used = appending global [2 x ptr] [ptr @Foo, ptr @Bar], section "llvm.metadata"`) {
+		t.Fatalf("module missing llvm.compiler.used entry:\n%s", got)
+	}
+}
+
 func TestSetBlock(t *testing.T) {
 	defer func() {
 		if r := recover(); r == nil {
@@ -166,23 +194,25 @@ func TestClosureNoCtxValue(t *testing.T) {
 	assertPkg(t, pkg, `; ModuleID = 'foo/bar'
 source_filename = "foo/bar"
 
-define i64 @fn(i64 %0) {
+define i64 @fn(i64 %0) #0 {
 _llgo_0:
   ret i64 %0
 }
 
-define void @holder() {
+define void @holder() #0 {
 _llgo_0:
   %0 = alloca { ptr, ptr }, align 8
   store { ptr, ptr } { ptr @__llgo_stub.fn, ptr null }, ptr %0, align 8
   ret void
 }
 
-define linkonce i64 @__llgo_stub.fn(ptr %0, i64 %1) {
+define linkonce i64 @__llgo_stub.fn(ptr %0, i64 %1) #0 {
 _llgo_0:
   %2 = tail call i64 @fn(i64 %1)
   ret i64 %2
 }
+
+attributes #0 = { "frame-pointer"="non-leaf" }
 `)
 }
 
@@ -221,12 +251,12 @@ func TestClosureFuncPtrValue(t *testing.T) {
 	expected := fmt.Sprintf(`; ModuleID = 'foo/bar'
 source_filename = "foo/bar"
 
-define i64 @fn(i64 %%0) {
+define i64 @fn(i64 %%0) #0 {
 _llgo_0:
   ret i64 %%0
 }
 
-define void @holder() {
+define void @holder() #0 {
 _llgo_0:
   %%0 = alloca { ptr, ptr }, align 8
   %%1 = call ptr @"github.com/goplus/llgo/runtime/internal/runtime.AllocU"(i64 8)
@@ -236,14 +266,16 @@ _llgo_0:
   ret void
 }
 
-define linkonce i64 @%s(ptr %%0, i64 %%1) {
+define linkonce i64 @%s(ptr %%0, i64 %%1) #0 {
 _llgo_0:
   %%2 = load ptr, ptr %%0, align 8
   %%3 = tail call i64 %%2(i64 %%1)
   ret i64 %%3
 }
 
-declare ptr @"github.com/goplus/llgo/runtime/internal/runtime.AllocU"(i64)
+declare ptr @"github.com/goplus/llgo/runtime/internal/runtime.AllocU"(i64) #0
+
+attributes #0 = { "frame-pointer"="non-leaf" }
 `, wrapRef, wrapRef)
 	assertPkg(t, pkg, expected)
 }
@@ -267,13 +299,15 @@ func TestCallClosureDynamic(t *testing.T) {
 	assertPkg(t, pkg, `; ModuleID = 'foo/bar'
 source_filename = "foo/bar"
 
-define i64 @caller({ ptr, ptr } %0, i64 %1) {
+define i64 @caller({ ptr, ptr } %0, i64 %1) #0 {
 _llgo_0:
   %2 = extractvalue { ptr, ptr } %0, 1
   %3 = extractvalue { ptr, ptr } %0, 0
   %4 = call i64 %3(ptr %2, i64 %1)
   ret i64 %4
 }
+
+attributes #0 = { "frame-pointer"="non-leaf" }
 `)
 }
 
@@ -311,12 +345,12 @@ func TestMakeClosureWithCtx(t *testing.T) {
 	assertPkg(t, pkg, `; ModuleID = 'foo/bar'
 source_filename = "foo/bar"
 
-define i64 @inner(ptr %0, i64 %1) {
+define i64 @inner(ptr %0, i64 %1) #0 {
 _llgo_0:
   ret i64 %1
 }
 
-define { ptr, ptr } @outer(i64 %0) {
+define { ptr, ptr } @outer(i64 %0) #0 {
 _llgo_0:
   %1 = call ptr @"github.com/goplus/llgo/runtime/internal/runtime.AllocU"(i64 8)
   %2 = getelementptr inbounds { i64 }, ptr %1, i32 0, i32 0
@@ -325,7 +359,9 @@ _llgo_0:
   ret { ptr, ptr } %3
 }
 
-declare ptr @"github.com/goplus/llgo/runtime/internal/runtime.AllocU"(i64)
+declare ptr @"github.com/goplus/llgo/runtime/internal/runtime.AllocU"(i64) #0
+
+attributes #0 = { "frame-pointer"="non-leaf" }
 `)
 }
 
@@ -394,7 +430,7 @@ source_filename = "foo/bar"
 
 %"github.com/goplus/llgo/runtime/internal/runtime.iface" = type { ptr, ptr }
 
-define i64 @caller(%"github.com/goplus/llgo/runtime/internal/runtime.iface" %0) {
+define i64 @caller(%"github.com/goplus/llgo/runtime/internal/runtime.iface" %0) #0 {
 _llgo_0:
   %1 = call ptr @"github.com/goplus/llgo/runtime/internal/runtime.IfacePtrData"(%"github.com/goplus/llgo/runtime/internal/runtime.iface" %0)
   %2 = extractvalue %"github.com/goplus/llgo/runtime/internal/runtime.iface" %0, 0
@@ -408,7 +444,9 @@ _llgo_0:
   ret i64 %9
 }
 
-declare ptr @"github.com/goplus/llgo/runtime/internal/runtime.IfacePtrData"(%"github.com/goplus/llgo/runtime/internal/runtime.iface")
+declare ptr @"github.com/goplus/llgo/runtime/internal/runtime.IfacePtrData"(%"github.com/goplus/llgo/runtime/internal/runtime.iface") #0
+
+attributes #0 = { "frame-pointer"="non-leaf" }
 `)
 }
 
@@ -763,10 +801,12 @@ func TestConst(t *testing.T) {
 	assertPkg(t, pkg, `; ModuleID = 'foo/bar'
 source_filename = "foo/bar"
 
-define i1 @fn() {
+define i1 @fn() #0 {
 _llgo_0:
   ret i1 true
 }
+
+attributes #0 = { "frame-pointer"="non-leaf" }
 `)
 }
 
@@ -820,7 +860,9 @@ func TestDeclFunc(t *testing.T) {
 	assertPkg(t, pkg, `; ModuleID = 'foo/bar'
 source_filename = "foo/bar"
 
-declare void @fn(i64)
+declare void @fn(i64) #0
+
+attributes #0 = { "frame-pointer"="non-leaf" }
 `)
 }
 
@@ -837,10 +879,12 @@ func TestBasicFunc(t *testing.T) {
 	assertPkg(t, pkg, `; ModuleID = 'foo/bar'
 source_filename = "foo/bar"
 
-define i64 @fn(i64 %0, double %1) {
+define i64 @fn(i64 %0, double %1) #0 {
 _llgo_0:
   ret i64 1
 }
+
+attributes #0 = { "frame-pointer"="non-leaf" }
 `)
 }
 
@@ -857,10 +901,12 @@ func TestFuncParam(t *testing.T) {
 	assertPkg(t, pkg, `; ModuleID = 'foo/bar'
 source_filename = "foo/bar"
 
-define i64 @fn(i64 %0, double %1) {
+define i64 @fn(i64 %0, double %1) #0 {
 _llgo_0:
   ret i64 %0
 }
+
+attributes #0 = { "frame-pointer"="non-leaf" }
 `)
 }
 
@@ -884,16 +930,18 @@ func TestFuncCall(t *testing.T) {
 	assertPkg(t, pkg, `; ModuleID = 'foo/bar'
 source_filename = "foo/bar"
 
-define i64 @fn(i64 %0, double %1) {
+define i64 @fn(i64 %0, double %1) #0 {
 _llgo_0:
   ret i64 1
 }
 
-define void @main() {
+define void @main() #0 {
 _llgo_0:
   %0 = call i64 @fn(i64 1, double 1.200000e+00)
   ret void
 }
+
+attributes #0 = { "frame-pointer"="non-leaf" }
 `)
 }
 
@@ -915,11 +963,13 @@ source_filename = "foo/bar"
 
 @a = external global i64, align 8
 
-define { i64, double } @fn(double %0) {
+define { i64, double } @fn(double %0) #0 {
 _llgo_0:
   %1 = insertvalue { i64, double } { ptr @a, double undef }, double %0, 1
   ret { i64, double } %1
 }
+
+attributes #0 = { "frame-pointer"="non-leaf" }
 `)
 }
 
@@ -932,10 +982,12 @@ func TestJump(t *testing.T) {
 	assertPkg(t, pkg, `; ModuleID = 'foo/bar'
 source_filename = "foo/bar"
 
-define void @loop() {
+define void @loop() #0 {
 _llgo_0:
   br label %_llgo_0
 }
+
+attributes #0 = { "frame-pointer"="non-leaf" }
 `)
 }
 
@@ -959,7 +1011,7 @@ func TestIf(t *testing.T) {
 	assertPkg(t, pkg, `; ModuleID = 'foo/bar'
 source_filename = "foo/bar"
 
-define i64 @fn(i64 %0) {
+define i64 @fn(i64 %0) #0 {
 _llgo_0:
   %1 = icmp sgt i64 %0, 0
   br i1 %1, label %_llgo_1, label %_llgo_2
@@ -970,6 +1022,8 @@ _llgo_1:                                          ; preds = %_llgo_0
 _llgo_2:                                          ; preds = %_llgo_0
   ret i64 0
 }
+
+attributes #0 = { "frame-pointer"="non-leaf" }
 `)
 }
 
@@ -984,7 +1038,9 @@ func TestPrintf(t *testing.T) {
 	assertPkg(t, pkg, `; ModuleID = 'foo/bar'
 source_filename = "foo/bar"
 
-declare i32 @printf(ptr, ...)
+declare i32 @printf(ptr, ...) #0
+
+attributes #0 = { "frame-pointer"="non-leaf" }
 `)
 }
 
@@ -1003,11 +1059,13 @@ func TestBinOp(t *testing.T) {
 	assertPkg(t, pkg, `; ModuleID = 'foo/bar'
 source_filename = "foo/bar"
 
-define i64 @fn(i64 %0, double %1) {
+define i64 @fn(i64 %0, double %1) #0 {
 _llgo_0:
   %2 = add i64 %0, 1
   ret i64 %2
 }
+
+attributes #0 = { "frame-pointer"="non-leaf" }
 `)
 }
 
@@ -1029,13 +1087,15 @@ func TestUnOp(t *testing.T) {
 	assertPkg(t, pkg, `; ModuleID = 'foo/bar'
 source_filename = "foo/bar"
 
-define i64 @fn(ptr %0) {
+define i64 @fn(ptr %0) #0 {
 _llgo_0:
   %1 = load i64, ptr %0, align 4
   %2 = xor i64 %1, 1
   store i64 %2, ptr %0, align 4
   ret i64 %2
 }
+
+attributes #0 = { "frame-pointer"="non-leaf" }
 `)
 }
 
@@ -1084,7 +1144,7 @@ func TestCompareSelect(t *testing.T) {
 	assertPkg(t, pkg, `; ModuleID = 'foo/bar'
 source_filename = "foo/bar"
 
-define i64 @fn(i64 %0, i64 %1, i64 %2) {
+define i64 @fn(i64 %0, i64 %1, i64 %2) #0 {
 _llgo_0:
   %3 = icmp sgt i64 %0, %1
   %4 = select i1 %3, i64 %0, i64 %1
@@ -1092,6 +1152,8 @@ _llgo_0:
   %6 = select i1 %5, i64 %4, i64 %2
   ret i64 %6
 }
+
+attributes #0 = { "frame-pointer"="non-leaf" }
 `)
 }
 
@@ -1209,16 +1271,17 @@ func TestSetjmpReturnsTwice(t *testing.T) {
 	assertPkg(t, pkg, `; ModuleID = 'foo/bar'
 source_filename = "foo/bar"
 
-define i32 @test(ptr %0) {
+define i32 @test(ptr %0) #0 {
 _llgo_0:
   %1 = call i32 @setjmp(ptr %0)
   ret i32 %1
 }
 
 ; Function Attrs: returns_twice
-declare i32 @setjmp(ptr) #0
+declare i32 @setjmp(ptr) #1
 
-attributes #0 = { returns_twice }
+attributes #0 = { "frame-pointer"="non-leaf" }
+attributes #1 = { returns_twice "frame-pointer"="non-leaf" }
 `)
 }
 
@@ -1313,7 +1376,7 @@ func TestAbiTables(t *testing.T) {
 
 	fn := pkg.InitAbiTypes(pkg.Path() + ".init$abitables")
 	s := fn.impl.String()
-	if !strings.Contains(s, `define void @"foo/bar.init$abitables"() {
+	if !strings.Contains(s, `define void @"foo/bar.init$abitables"() #0 {
 _llgo_0:
   %0 = load %"github.com/goplus/llgo/runtime/internal/runtime.Slice", ptr @"foo/bar.init$abitables$slice", align 8
   store %"github.com/goplus/llgo/runtime/internal/runtime.Slice" %0, ptr @"github.com/goplus/llgo/runtime/internal/runtime.typelist", align 8