[PATCH] D32627: AMDGPU: Pull fneg out of extract_vector_elt

[Matt Arsenault via Phabricator via llvm-commits]

arsenm created this revision.
Herald added subscribers: t-tye, tpr, dstuttard, yaxunl, nhaehnle, wdng.

This allows folding source modifiers in more f16 cases.
Makes it easier to select per-component packed neg modifiers


https://reviews.llvm.org/D32627

Files:
  lib/Target/AMDGPU/AMDGPUISelLowering.cpp
  lib/Target/AMDGPU/AMDGPUISelLowering.h
  lib/Target/AMDGPU/SIISelLowering.cpp
  lib/Target/AMDGPU/SIISelLowering.h
  test/CodeGen/AMDGPU/fneg-combines.ll
  test/CodeGen/AMDGPU/fneg.f16.ll

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