[PATCH] D64393: [AMDGPU] Fix DPP combiner check for exec modification

[Jay Foad via Phabricator via llvm-commits]

foad updated this revision to Diff 208900.
foad marked an inline comment as done.
foad added a comment.

Try a different approach.

Reinstate the old behaviour but in a separate helper function with
limits on the number of instructions scanned, and update the atomic
optimizer tests to more consistently check that the DPP combiner is
working on them.


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D64393/new/

https://reviews.llvm.org/D64393

Files:
  llvm/lib/Target/AMDGPU/GCNDPPCombine.cpp
  llvm/lib/Target/AMDGPU/SIInstrInfo.cpp
  llvm/lib/Target/AMDGPU/SIInstrInfo.h
  llvm/test/CodeGen/AMDGPU/atomic_optimizations_global_pointer.ll
  llvm/test/CodeGen/AMDGPU/atomic_optimizations_local_pointer.ll
  llvm/test/CodeGen/AMDGPU/atomic_optimizations_pixelshader.ll
  llvm/test/CodeGen/AMDGPU/atomic_optimizations_raw_buffer.ll
  llvm/test/CodeGen/AMDGPU/atomic_optimizations_struct_buffer.ll

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