Update to LLVM 22.1.6#5364
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I'll be kicking off tier2, tier3, and weekly CI jobs on this branch to verify no issues with any. My assumption is they will all pass as this is a small upgrade for us, but, "we shall see". |
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Tier 2: https://github.com/ponylang/ponyc/actions/runs/26419832587 passed with no issues. |
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Tier 3: https://github.com/ponylang/ponyc/actions/runs/26424639378 Tier 3 is failing because the OpenBSD vm runs out of space. Working on addressing that so we can know it is good. The other BSDs all pass CI for this. Once the space issue was addressed, it passed: |
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Weekly checks: https://github.com/ponylang/ponyc/actions/runs/26444668137 passed with no issue. |
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modulo review, this is good to merge. |
LLVM 22 deprecated LLVMGetMDKindID and dropped the size argument from the llvm.lifetime.start/end intrinsics; adapt codegen to both, and add a codegen test asserting the lifetime intrinsics are emitted with a single argument. The larger LLVM 22 build overflowed the OpenBSD Tier 3 CI VM's /home (~10.8G), so build that job on a dedicated 50G data disk, mirroring the DragonFly job.
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Updates the vendored LLVM from 21.1.8 to 22.1.6.
LLVM 22 forced two codegen changes.
LLVMGetMDKindIDis deprecated, so branch-weight metadata now goes throughLLVMGetMDKindIDInContext. The bigger one: thellvm.lifetime.startandllvm.lifetime.endintrinsics dropped their size argument and now take a single pointer. ponyc was still emitting the old two-argument form, which the LLVM 22 verifier rejects for any program with scoped locals, so codegen now emits the one-argument form. A new codegen test asserts the lifetime intrinsics are emitted with a single argument.Review turned up an unrelated pre-existing issue, an oversized argument array in
gencall_memmove, tracked separately in #5363.