[PATCH] D28097: AMDGPU: Fold fneg into fmul if free

[Matt Arsenault via Phabricator via llvm-commits]

arsenm retitled this revision from "DAGCombiner: Fold fneg into fmul if free" to "AMDGPU: Fold fneg into fmul if free".
arsenm updated this revision to Diff 82891.
Herald added subscribers: tony-tye, yaxunl, kzhuravl.

https://reviews.llvm.org/D28097

Files:
  lib/Target/AMDGPU/AMDGPUISelLowering.cpp
  test/CodeGen/AMDGPU/fmul-2-combine-multi-use.ll
  test/CodeGen/AMDGPU/fneg-combines.ll
  test/CodeGen/AMDGPU/mad-combine.ll

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