[PATCH] D111804: [InstCombine] Don't combine CmpInst that used for verify the legality of the lshr

[Mindong Chen via Phabricator via llvm-commits]

mdchen added a comment.

@lebedev.ri I think the problem is when `%0` is negative, the original code gives a definite result while the transformed IR is UB.


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  https://reviews.llvm.org/D111804/new/

https://reviews.llvm.org/D111804