[PATCH] D120704: [AMDGPU] Handle legacy multiply-accumulate opcodes in convertToThreeAddress

[Jay Foad via Phabricator via llvm-commits]

foad created this revision.
foad added reviewers: rampitec, piotr, mareko.
Herald added subscribers: kerbowa, hiraditya, t-tye, tpr, dstuttard, yaxunl, nhaehnle, jvesely, kzhuravl, arsenm.
foad requested review of this revision.
Herald added subscribers: llvm-commits, wdng.
Herald added a project: LLVM.

Handle V_MAC_LEGACY_F32 and V_FMAC_LEGACY_F32 in
convertToThreeAddress, to avoid the need for an extra mov
instruction in some cases.


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D120704

Files:
  llvm/lib/Target/AMDGPU/SIInstrInfo.cpp
  llvm/test/CodeGen/AMDGPU/GlobalISel/llvm.amdgcn.fmul.legacy.ll
  llvm/test/CodeGen/AMDGPU/llvm.amdgcn.fma.legacy.ll
  llvm/test/CodeGen/AMDGPU/llvm.amdgcn.fmul.legacy.ll

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