[PATCH] D109194: [InstCombine] Optimize (a & b) | (~a & c)

[Simon Pilgrim via Phabricator via llvm-commits]

RKSimon added a comment.

It looks like have a reverse fold to this in DAG: DAGCombiner::unfoldMaskedMerge

Also, InstCombine has a fold for: (X&~Z)|(Y&Z) -> select(X,Y) but it doesn't handle the XOR variant: https://simd.godbolt.org/z/sWM3KxbrE


Repository:
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  https://reviews.llvm.org/D109194/new/

https://reviews.llvm.org/D109194