[all-commits] [llvm/llvm-project] 9cdcd8: [InstCombine] enhance fold for copysign with known...

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  Branch: refs/heads/master
  Home:   https://github.com/llvm/llvm-project
  Commit: 9cdcd81d3f2e9c1c9ae1e054e24668d46bc08bfb
      https://github.com/llvm/llvm-project/commit/9cdcd81d3f2e9c1c9ae1e054e24668d46bc08bfb
  Author: Sanjay Patel <spatel at rotateright.com>
  Date:   2019-12-22 (Sun, 22 Dec 2019)

  Changed paths:
    M llvm/lib/Transforms/InstCombine/InstCombineCalls.cpp
    M llvm/test/Transforms/InstCombine/copysign.ll

  Log Message:
  -----------
  [InstCombine] enhance fold for copysign with known sign arg

This is another optimization suggested in PRPR44153:
https://bugs.llvm.org/show_bug.cgi?id=44153