[PATCH] D75130: Remove BinaryOperator::CreateFNeg

Simon Moll via Phabricator via llvm-commits llvm-commits at lists.llvm.org
Tue Feb 25 11:27:12 PST 2020


simoll created this revision.
Herald added subscribers: llvm-commits, hiraditya.
Herald added a project: LLVM.

With the introduction of the native fneg instruction, the
fsub -0.0, %x idiom is obsolete. This patch makes LLVM
emit fneg instead of the idiom in all places.


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D75130

Files:
  llvm/include/llvm/IR/InstrTypes.h
  llvm/lib/IR/Instructions.cpp
  llvm/lib/Transforms/InstCombine/InstCombineAddSub.cpp
  llvm/lib/Transforms/InstCombine/InstCombineCalls.cpp
  llvm/lib/Transforms/InstCombine/InstCombineCasts.cpp
  llvm/lib/Transforms/InstCombine/InstCombineMulDivRem.cpp
  llvm/lib/Transforms/InstCombine/InstCombineSelect.cpp
  llvm/lib/Transforms/Scalar/Reassociate.cpp
  llvm/test/Transforms/InstCombine/cos-sin-intrinsic.ll
  llvm/test/Transforms/InstCombine/fast-math.ll
  llvm/test/Transforms/InstCombine/fmul.ll
  llvm/test/Transforms/InstCombine/fneg.ll
  llvm/test/Transforms/InstCombine/fpcast.ll
  llvm/test/Transforms/InstCombine/fsub.ll
  llvm/test/Transforms/InstCombine/maximum.ll
  llvm/test/Transforms/InstCombine/maxnum.ll
  llvm/test/Transforms/InstCombine/minimum.ll
  llvm/test/Transforms/InstCombine/minmax-fp.ll
  llvm/test/Transforms/InstCombine/minnum.ll
  llvm/test/Transforms/InstCombine/pow-1.ll
  llvm/test/Transforms/Reassociate/fast-basictest.ll
  llvm/test/Transforms/Reassociate/fp-expr.ll

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