[PATCH] D146349: [InstCombine] Make `FoldOpIntoSelect` handle non-constants and use condition to deduce constants.

[Nikita Popov via Phabricator via llvm-commits]

nikic added a comment.

Sorry, I missed something in this patch as well. This transform isn't valid for undef constants: https://alive2.llvm.org/ce/z/4JjGKv We should guard it against isGuaranteedNotToBeUndefOrPoison.


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