[PATCH] D83284: [InstCombine] Improve select -> phi canonicalization: consider more blocks

[Max Kazantsev via Phabricator via llvm-commits]

mkazantsev added a comment.

Ideally we could consider all dominator chain, but this is too expensive. This is attempt to reduce the impact.


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  https://reviews.llvm.org/D83284/new/

https://reviews.llvm.org/D83284