[PATCH] D130622: [AMDGPU][SIFoldOperands] Clear kills when folding subreg COPY

[Jay Foad via Phabricator via llvm-commits]

foad added a comment.

Here's a test case that shows the same bug with no subregs involved:

  ---
  name: fold_reg_kill
  tracksRegLiveness: true
  body: |
    bb.0:
      liveins: $sgpr0
  
      %0:sreg_32 = COPY $sgpr0
      %1:sreg_32 = COPY %0
      %2:sreg_32 = S_ADD_U32 killed %0, killed %0, implicit-def $scc
      %3:sreg_32 = COPY %1
      S_ENDPGM 0, implicit %2, implicit %3
  ...


Repository:
  rG LLVM Github Monorepo

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  https://reviews.llvm.org/D130622/new/

https://reviews.llvm.org/D130622