[PATCH] D147373: [InstCombine] fold double reverses

[Craig Topper via Phabricator via llvm-commits]

craig.topper added a comment.

I was recently wondering if it would make sense for `canEvaluateShuffled` to detect cases where there's an input shuffle that cancels the starting shuffle.


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  https://reviews.llvm.org/D147373/new/

https://reviews.llvm.org/D147373