[PATCH] D72643: [InstCombine] form copysign from select of FP constants (PR44153)

[Simon Pilgrim via Phabricator via llvm-commits]

RKSimon added inline comments.


================
Comment at: llvm/lib/Transforms/InstCombine/InstCombineSelect.cpp:2358
+  Instruction *CopySign = IntrinsicInst::Create(F, { MagArg, X });
+  CopySign->setFastMathFlags(Sel.getFastMathFlags());
+  return CopySign;
----------------
@spatel https://github.com/llvm/llvm-project/issues/54077 suggests that we shouldn't pass forward the FMF


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D72643/new/

https://reviews.llvm.org/D72643