[all-commits] [llvm/llvm-project] e33e08: [MachineSink] Update register dependency correctly...

[Ruiling, Song via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: e33e087a175567e88b361fd198536314a0a1fff2
      https://github.com/llvm/llvm-project/commit/e33e087a175567e88b361fd198536314a0a1fff2
  Author: Ruiling, Song <ruiling.song at amd.com>
  Date:   2024-09-25 (Wed, 25 Sep 2024)

  Changed paths:
    M llvm/lib/CodeGen/MachineSink.cpp
    A llvm/test/CodeGen/AMDGPU/postra-sink-update-dependency.mir

  Log Message:
  -----------
  [MachineSink] Update register dependency correctly (#109763)

The accumulateUsedDefed() was missing if block prologue interference
check does not pass. This would cause incorrect register dependency,
which cause incorrect sinking.



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