[PATCH] D105298: [InstSimplify] do not propagate poison from select arm to icmp user

[Eli Friedman via Phabricator via llvm-commits]

efriedma added a comment.

I'm skeptical it's correct to explicitly check for PoisonValue here.  Does it matter if the value is poison, but not a poison literal?  Does it matter if a constant vector has a poison element?


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https://reviews.llvm.org/D105298