commit | 83a86dd616bce8c4528c3fab172324ceb3289ee9 | [log] [tgz] |
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author | Roman Lebedev <lebedev.ri@gmail.com> | Thu Jul 12 14:56:12 2018 +0000 |
committer | Roman Lebedev <lebedev.ri@gmail.com> | Thu Jul 12 14:56:12 2018 +0000 |
tree | 2b2649be42d8bda488eb1a776e27d00e995a2b17 | |
parent | f6e61654a198c62caecab5521b6da7087ab2dcb3 [diff] |
[InstCombine] Fold x & (-1 >> y) != x to x u> (-1 >> y) Summary: A complementary fold to D49179. https://bugs.llvm.org/show_bug.cgi?id=38123 https://rise4fun.com/Alive/Rny Caveat: one more thing in `test/Transforms/InstCombine/icmp-logical.ll` breaks. Reviewers: spatel, craig.topper Reviewed By: spatel Subscribers: llvm-commits Differential Revision: https://reviews.llvm.org/D49205 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@336911 91177308-0d34-0410-b5e6-96231b3b80d8