[PATCH] D28099: AMDGPU: Fold fneg into fp_extend

[Matt Arsenault via Phabricator via llvm-commits]

arsenm updated this revision to Diff 84063.
arsenm added a comment.

Add hasOneUse check


https://reviews.llvm.org/D28099

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

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