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[InstCombine] foldUnsignedUnderflowCheck(): one last pattern with 'sub' (PR43251)
authorRoman Lebedev <lebedev.ri@gmail.com>
Wed, 25 Sep 2019 22:59:59 +0000 (22:59 +0000)
committerRoman Lebedev <lebedev.ri@gmail.com>
Wed, 25 Sep 2019 22:59:59 +0000 (22:59 +0000)
commit810c818288fac9763ab4812d32b93905f37e2240
tree04debcbd8ef7b55974a70050120aed1590257723tree | snapshot
parent3a50682a4b24a3c56b7c8d0bd3ba8bf824b458b8commit | diff
[InstCombine] foldUnsignedUnderflowCheck(): one last pattern with 'sub' (PR43251)

https://rise4fun.com/Alive/0j9

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@372930 91177308-0d34-0410-b5e6-96231b3b80d8
lib/Transforms/InstCombine/InstCombineAndOrXor.cpp diff | blob | history
test/Transforms/InstCombine/result-of-usub-is-non-zero-and-no-overflow.ll diff | blob | history
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