[all-commits] [llvm/llvm-project] 2b3e30: [CodeGen] Treat hasOrderedMemoryRef as implying ar...

[Jay Foad via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: 2b3e30d4c4705dfb21931188540d0c3aa901a7bb
      https://github.com/llvm/llvm-project/commit/2b3e30d4c4705dfb21931188540d0c3aa901a7bb
  Author: Jay Foad <jay.foad at amd.com>
  Date:   2026-03-04 (Wed, 04 Mar 2026)

  Changed paths:
    M llvm/lib/CodeGen/MachineInstr.cpp
    M llvm/test/CodeGen/AArch64/sme-streaming-checkvl.ll
    M llvm/test/CodeGen/AMDGPU/iglp-no-clobber.ll
    A llvm/test/CodeGen/AMDGPU/machine-sink-fence.ll
    M llvm/test/CodeGen/AMDGPU/misched-remat-revert.ll
    M llvm/test/CodeGen/Thumb2/mve-postinc-lsr.ll

  Log Message:
  -----------
  [CodeGen] Treat hasOrderedMemoryRef as implying arbitrary loads or stores (#182000)

This prevents MachineSink from sinking loads past fences (or any other instruction marked as hasSideEffects).

Fixes: #181708



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