[all-commits] [llvm/llvm-project] 12fcbc: [InstCombine] add tests for cmyk benchmark; NFC

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  Branch: refs/heads/master
  Home:   https://github.com/llvm/llvm-project
  Commit: 12fcbcecffe1d84c9e0aa4c980f9053aad91c8e5
      https://github.com/llvm/llvm-project/commit/12fcbcecffe1d84c9e0aa4c980f9053aad91c8e5
  Author: Sanjay Patel <spatel at rotateright.com>
  Date:   2020-04-02 (Thu, 02 Apr 2020)

  Changed paths:
    M llvm/lib/Transforms/InstCombine/InstCombineCompares.cpp
    M llvm/test/Transforms/InstCombine/max-of-nots.ll
    A llvm/test/Transforms/PhaseOrdering/minmax.ll

  Log Message:
  -----------
  [InstCombine] add tests for cmyk benchmark; NFC

These are versions of a function that regressed with:
rGf2fbdf76d8d0

That particular problem occurs with an instcombine-simplifycfg-instcombine
sequence, but we can show that it exists within instcombine only with
other variations of the pattern.