[PATCH] D147296: [InstCombine] Add support for max(a, b) + min(a, b) => a + b.

[Serguei Katkov via Phabricator via llvm-commits]

skatkov created this revision.
skatkov added reviewers: spatel, nikic, lebedev.ri, RKSimon, dantrushin, mkazantsev, fhahn, efriedma.
Herald added subscribers: StephenFan, hiraditya.
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skatkov requested review of this revision.
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The same optimization for

  max(a,b) * min(a,b) => a * b

is added.


https://reviews.llvm.org/D147296

Files:
  llvm/lib/Transforms/InstCombine/InstCombineAddSub.cpp
  llvm/lib/Transforms/InstCombine/InstCombineMulDivRem.cpp
  llvm/test/Transforms/InstCombine/add-min-max.ll
  llvm/test/Transforms/InstCombine/mul-min-max.ll

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