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[LLVM][RISCV][RVV] Loop vectorizer triggered Full LTO crash with scalable-vector EVT::getVectorNumElements() misuse at -O3

new issue

Status: Open.

#199896 In llvm/llvm-project;

· whileone-sk opened on May 27, 2026

[X86] Missed optimization: integer-derived no-NaN fact not used for ordered fcmp lowering

new issue

Status: Open.

#199893 In llvm/llvm-project;

· 134ARG opened on May 27, 2026

Failed Tests: LLVM.tools/llvm-symbolizer/wasm-basic.s (Likely Already Failing)

infrastructureBugs about LLVM infrastructureBugs about LLVM infrastructure

new issue

Status: Open.

#199888 In llvm/llvm-project;

· chenshanzhi opened on May 27, 2026

[Flang] IS_CONTIGUOUS results for constant-shaped array sections are not treated as constants

flang:frontend

Status: Open.

#199879 In llvm/llvm-project;

· yus3710-fj opened on May 27, 2026

[Flang] IS_CONTIGUOUS returns incorrect result for non-contiguous array sections of constant arrays

flang:frontend

Status: Open.

#199878 In llvm/llvm-project;

· yus3710-fj opened on May 27, 2026

[Flang][OpenMP] Compilation error for fixed source form directive sentinels followed by 0

flang:frontend

flang:openmp

Status: Open.

#199877 In llvm/llvm-project;

· yus3710-fj opened on May 27, 2026

[Flang] Compilation error for procedure pointer of functions results when POINTER statements follow EXTERNAL statements

flang:frontend

Status: Open.

#199876 In llvm/llvm-project;

· yus3710-fj opened on May 27, 2026

[Flang][OpenMP] Compilation error for a continuation line that has no white space after a directive sentinel

flang:frontend

flang:openmp

Status: Open.

#199875 In llvm/llvm-project;

· yus3710-fj opened on May 27, 2026

-Winvalid-static-assert-message is too aggressive

clang:diagnosticsNew/improved warning or error message in Clang, but not in clang-tidy or static analyzerNew/improved warning or error message in Clang, but not in clang-tidy or static analyzer

Status: Open.

#199829 In llvm/llvm-project;

· timsong-cpp opened on May 27, 2026

LLVM uses incorrect datalayout on m68k-unknown-netbsd

new issue

Status: Open.

#199826 In llvm/llvm-project;

· glaubitz opened on May 27, 2026

AArch64 missed optimization: 32-bit narrowing prevents shifted-register EOR selection

new issue

Status: Open.

#199813 In llvm/llvm-project;

· joriki opened on May 27, 2026

[InstCombine] Remove redundant overflow select before umin clamp

llvm:instcombineCovers the InstCombine, InstSimplify and AggressiveInstCombine passesCovers the InstCombine, InstSimplify and AggressiveInstCombine passes

missed-optimization

Status: Open.

#199806 In llvm/llvm-project;

· ParkHanbum opened on May 27, 2026