[PATCH] D142419: AMDGPU: Restrict a select combine based on legal source mods

[Matt Arsenault via Phabricator via llvm-commits]

arsenm created this revision.
arsenm added reviewers: AMDGPU, sebastian-ne, foad, rampitec, Pierre-vh.
Herald added subscribers: kosarev, StephenFan, kerbowa, hiraditya, tpr, dstuttard, yaxunl, jvesely, kzhuravl.
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arsenm requested review of this revision.
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Provides a small code size savings for some f32 cases.


https://reviews.llvm.org/D142419

Files:
  llvm/lib/Target/AMDGPU/AMDGPUISelLowering.cpp
  llvm/test/CodeGen/AMDGPU/select-fabs-fneg-extract.ll

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