[PATCH] D51964: [InstCombine] Fold (xor (min/max X, Y), -1) -> (max/min ~X, ~Y) when X and Y are freely invertible.

Craig Topper via Phabricator via llvm-commits llvm-commits at lists.llvm.org
Wed Sep 12 09:32:12 PDT 2018


craig.topper updated this revision to Diff 165102.
craig.topper added a comment.

More test cases and fix an infinite loop.


https://reviews.llvm.org/D51964

Files:
  lib/Transforms/InstCombine/InstCombineAndOrXor.cpp
  lib/Transforms/InstCombine/InstCombineSelect.cpp
  test/Transforms/InstCombine/xor.ll

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