[PATCH] D55444: AMDGPU: Fix DPP combiner

[Valery Pykhtin via Phabricator via llvm-commits]

vpykhtin updated this revision to Diff 177866.
vpykhtin added a comment.

updated diff, added tests.

1. dpp mov with "src reg" == "old reg" can also be combined.
2. Added check EXEC mask ins't modified between dpp mov and consumer instructions
3. Enhanced debug output


Repository:
  rL LLVM

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D55444/new/

https://reviews.llvm.org/D55444

Files:
  include/llvm/CodeGen/TargetInstrInfo.h
  lib/Target/AMDGPU/GCNDPPCombine.cpp
  lib/Target/AMDGPU/SIInstrInfo.cpp
  lib/Target/AMDGPU/SIInstrInfo.h
  test/CodeGen/AMDGPU/dpp_combine.ll
  test/CodeGen/AMDGPU/dpp_combine_subregs.mir

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