[all-commits] [llvm/llvm-project] 1c4dd3: [InstSimplify] fold copysign with negated operand, ...

[RotateRight via All-commits]

  Branch: refs/heads/master
  Home:   https://github.com/llvm/llvm-project
  Commit: 1c4dd3ae2f34541e53ad0110f261421083bc0157
      https://github.com/llvm/llvm-project/commit/1c4dd3ae2f34541e53ad0110f261421083bc0157
  Author: Sanjay Patel <spatel at rotateright.com>
  Date:   2019-12-08 (Sun, 08 Dec 2019)

  Changed paths:
    M llvm/lib/Analysis/InstructionSimplify.cpp
    M llvm/test/Transforms/InstSimplify/call.ll

  Log Message:
  -----------
  [InstSimplify] fold copysign with negated operand, part 2

This is another transform suggested in PR44153:
https://bugs.llvm.org/show_bug.cgi?id=44153

Unlike rG12f39e0fede9, it doesn't look like the
backend matches this variant.