[PATCH] D125567: [AMDGPU] Shrink MAD/FMA to MADAK/MADMK/FMAAK/FMAMK on GFX10

[Jay Foad via Phabricator via llvm-commits]

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On GFX10 VOP3 instructions can have a literal operand, so the conversion
from VOP3 MAD/FMA to VOP2 MADAK/MADMK/FMAAK/FMAMK will not happen in
SIFoldOperands. The only benefit of the VOP2 form is code size, so do it
in SIShrinkInstructions instead.


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D125567

Files:
  llvm/lib/Target/AMDGPU/SIShrinkInstructions.cpp
  llvm/test/CodeGen/AMDGPU/dagcombine-fma-fmad.ll
  llvm/test/CodeGen/AMDGPU/madak.ll

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