[all-commits] [llvm/llvm-project] 167d79: AMDGPU: Replace undef phi inputs with poison in tests

[Matt Arsenault via All-commits]

  Branch: refs/heads/users/arsenm/amdgpu/replace-test-undef-phi-inputs-with-poison
  Home:   https://github.com/llvm/llvm-project
  Commit: 167d79b0fa6ed7f087a9f4a3c16a0d763b7e5a3d
      https://github.com/llvm/llvm-project/commit/167d79b0fa6ed7f087a9f4a3c16a0d763b7e5a3d
  Author: Matt Arsenault <Matthew.Arsenault at amd.com>
  Date:   2025-03-07 (Fri, 07 Mar 2025)

  Changed paths:
    M llvm/test/CodeGen/AMDGPU/GlobalISel/divergent-control-flow.ll
    M llvm/test/CodeGen/AMDGPU/amdgpu-codegenprepare-break-large-phis.ll
    M llvm/test/CodeGen/AMDGPU/amdpal_scratch_mergedshader.ll
    M llvm/test/CodeGen/AMDGPU/branch-relaxation.ll
    M llvm/test/CodeGen/AMDGPU/bug-deadlanes.ll
    M llvm/test/CodeGen/AMDGPU/coalescer_distribute.ll
    M llvm/test/CodeGen/AMDGPU/combine-add-zext-xor.ll
    M llvm/test/CodeGen/AMDGPU/cse-phi-incoming-val.ll
    M llvm/test/CodeGen/AMDGPU/dagcomb-shuffle-vecextend-non2.ll
    M llvm/test/CodeGen/AMDGPU/dagcombine-fma-crash.ll
    M llvm/test/CodeGen/AMDGPU/divergent-branch-uniform-condition.ll
    M llvm/test/CodeGen/AMDGPU/fold-fabs.ll
    M llvm/test/CodeGen/AMDGPU/i1-copy-phi.ll
    M llvm/test/CodeGen/AMDGPU/implicit-def-muse.ll
    M llvm/test/CodeGen/AMDGPU/inline-asm.ll
    M llvm/test/CodeGen/AMDGPU/llvm.amdgcn.ds.ordered.swap.ll
    M llvm/test/CodeGen/AMDGPU/madmk.ll
    M llvm/test/CodeGen/AMDGPU/mdt-preserving-crash.ll
    M llvm/test/CodeGen/AMDGPU/move-to-valu-worklist.ll
    M llvm/test/CodeGen/AMDGPU/multilevel-break.ll
    M llvm/test/CodeGen/AMDGPU/nested-loop-conditions.ll
    M llvm/test/CodeGen/AMDGPU/rewrite-undef-for-phi.ll
    M llvm/test/CodeGen/AMDGPU/schedule-vs-if-nested-loop-failure.ll
    M llvm/test/CodeGen/AMDGPU/sdwa-peephole.ll
    M llvm/test/CodeGen/AMDGPU/select-undef.ll
    M llvm/test/CodeGen/AMDGPU/si-spill-cf.ll
    M llvm/test/CodeGen/AMDGPU/simplifydemandedbits-recursion.ll
    M llvm/test/CodeGen/AMDGPU/skip-if-dead.ll
    M llvm/test/CodeGen/AMDGPU/subreg-coalescer-crash.ll
    M llvm/test/CodeGen/AMDGPU/switch-default-block-unreachable.ll
    M llvm/test/CodeGen/AMDGPU/tuple-allocation-failure.ll
    M llvm/test/CodeGen/AMDGPU/uniform-phi-with-undef.ll
    M llvm/test/CodeGen/AMDGPU/unigine-liveness-crash.ll
    M llvm/test/CodeGen/AMDGPU/vgpr-liverange-ir.ll
    M llvm/test/CodeGen/AMDGPU/wave32.ll

  Log Message:
  -----------
  AMDGPU: Replace undef phi inputs with poison in tests

I think the chance of this changing the tests in meaningful ways
is very low. This was perl with a few minor adjustments to a few
tests that produce new undefs. Only one test had a minor codegen
change with the switch, which I dropped from the change.



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