[PATCH] D152116: [X86] Transform `(icmp eq/ne (and X, C0), (shift X, C1))` to get better constants.

[Simon Pilgrim via Phabricator via llvm-commits]

RKSimon added a comment.

This looks similar to optimizeSetCCByHoistingAndByConstFromLogicalShift/shouldProduceAndByConstByHoistingConstFromShiftsLHSOfAnd - can we extend that and perform this as a generic combine?


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  https://reviews.llvm.org/D152116/new/

https://reviews.llvm.org/D152116