[all-commits] [llvm/llvm-project] b4842b: [GlobalISel] Preserve volatile and ordered atomic ...

[Alex MacLean via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: b4842bea58e6ca2a3de8692d5214b2441285513d
      https://github.com/llvm/llvm-project/commit/b4842bea58e6ca2a3de8692d5214b2441285513d
  Author: Alex MacLean <amaclean at nvidia.com>
  Date:   2026-09-25 (Fri, 25 Sep 2026)

  Changed paths:
    M llvm/lib/CodeGen/GlobalISel/CombinerHelper.cpp
    M llvm/test/CodeGen/AArch64/GlobalISel/prelegalizercombiner-undef.mir
    M llvm/test/CodeGen/AMDGPU/call-constant.ll
    M llvm/test/CodeGen/AMDGPU/invalid-addrspacecast.ll
    M llvm/test/CodeGen/AMDGPU/lower-work-group-id-intrinsics-pal.ll

  Log Message:
  -----------
  [GlobalISel] Preserve volatile and ordered atomic stores of undef (#226265)

Guard `erase_undef_store` with `isUnordered()`, matching InstCombine.
Ensures volatile and ordered atomic stores are preserved.

---------

Co-authored-by: Hongyu Chen <hongchen at nvidia.com>



To unsubscribe from these emails, change your notification settings at https://github.com/llvm/llvm-project/settings/notifications