[PATCH] D108619: [DAGCombine] Allow FMA combine with both FMA and FMAC

[Carl Ritson via Phabricator via llvm-commits]

critson created this revision.
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Without this change only the preferred fusion opcode is tested
when attempting to combine FMA operations.
If both FMA and FMAC are available then FMA ops formed prior to
legalization will not be merged post legalization as FMAC becomes
the preferred fusion opcode.


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D108619

Files:
  llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp
  llvm/test/CodeGen/AMDGPU/dagcombine-fma-fmad.ll

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