[PATCH] D83440: [InstSimplify] Re-enable select ?, undef, X -> X transform when X is provably not poison

[Philip Reames via Phabricator via llvm-commits]

reames accepted this revision.
reames added a comment.
This revision is now accepted and ready to land.

LGTM

And thank you for doing this.


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  https://reviews.llvm.org/D83440/new/

https://reviews.llvm.org/D83440