[all-commits] [llvm/llvm-project] f42d92: [Reassociate] Avoid ConstantExpr::getFNeg() (NFCI)

[Nikita Popov via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: f42d92611da60f3613af3ad4e84670380cb7d67d
      https://github.com/llvm/llvm-project/commit/f42d92611da60f3613af3ad4e84670380cb7d67d
  Author: Nikita Popov <npopov at redhat.com>
  Date:   2022-09-07 (Wed, 07 Sep 2022)

  Changed paths:
    M llvm/lib/Transforms/Scalar/Reassociate.cpp

  Log Message:
  -----------
  [Reassociate] Avoid ConstantExpr::getFNeg() (NFCI)

Use ConstantFoldUnaryOpOperand() instead. Also make the code below
robust against non-instruction users, just in case it doesn't fold.