[PATCH] D29958: AMDGPU : Replace FMAD with FMA when denormals are enabled.

[Wei Ding via Phabricator via llvm-commits]

wdng updated this revision to Diff 88857.
wdng marked 4 inline comments as done.
wdng added a comment.

As complex pattern causes pattern cannot be selected. So no complex pattern used for FMAD_FTZ pattern definition. Also the generated ISAs is different as fneg is being folded, so we have v_mac_f32 and v_mad_f32 respectively when denormals are enabled and disabled.


Repository:
  rL LLVM

https://reviews.llvm.org/D29958

Files:
  lib/Target/AMDGPU/AMDGPUISelLowering.cpp
  lib/Target/AMDGPU/AMDGPUISelLowering.h
  lib/Target/AMDGPU/AMDGPUInstrInfo.td
  lib/Target/AMDGPU/SIInstructions.td
  test/CodeGen/AMDGPU/udiv.ll

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