[PATCH] D37348: Implement custom lowering for ISD::CTTZ_ZERO_UNDEF and ISD::CTTZ.

[Wei Ding via Phabricator via llvm-commits]

wdng updated this revision to Diff 115908.
wdng marked 7 inline comments as done.
wdng added a comment.

Will create another separate ticket to fix the v_ffbl_sdwa instruction generation.


Repository:
  rL LLVM

https://reviews.llvm.org/D37348

Files:
  include/llvm/Target/TargetSelectionDAG.td
  lib/CodeGen/SelectionDAG/LegalizeDAG.cpp
  lib/Target/AMDGPU/AMDGPUISelLowering.cpp
  lib/Target/AMDGPU/AMDGPUISelLowering.h
  lib/Target/AMDGPU/AMDGPUInstrInfo.td
  lib/Target/AMDGPU/EvergreenInstructions.td
  lib/Target/AMDGPU/SOPInstructions.td
  test/CodeGen/AMDGPU/cttz_zero_undef.ll

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