[PATCH] D136442: [GISel] Add (fsub +-0.0, X) -> fneg combine

[Pierre van Houtryve via Phabricator via llvm-commits]

Pierre-vh updated this revision to Diff 472548.
Pierre-vh marked 3 inline comments as done.
Pierre-vh added a comment.

Comments


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D136442/new/

https://reviews.llvm.org/D136442

Files:
  llvm/include/llvm/CodeGen/GlobalISel/CombinerHelper.h
  llvm/include/llvm/Target/GlobalISel/Combine.td
  llvm/lib/CodeGen/GlobalISel/CombinerHelper.cpp
  llvm/test/CodeGen/AMDGPU/GlobalISel/combine-fsub-fneg.mir
  llvm/test/CodeGen/AMDGPU/GlobalISel/fmed3.ll
  llvm/test/CodeGen/AMDGPU/v_pack.ll

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