[all-commits] [llvm/llvm-project] 987eb8: [InstCombine] propagate sign argument through nest...

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  Branch: refs/heads/master
  Home:   https://github.com/llvm/llvm-project
  Commit: 987eb8e26ccf73180b3b53b8a38d87e3e6489326
      https://github.com/llvm/llvm-project/commit/987eb8e26ccf73180b3b53b8a38d87e3e6489326
  Author: Sanjay Patel <spatel at rotateright.com>
  Date:   2019-12-30 (Mon, 30 Dec 2019)

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

  Log Message:
  -----------
  [InstCombine] propagate sign argument through nested copysigns

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