[PATCH] D80485: [DAGCombiner][PowerPC][AArch64] Remove isMulhCheaperThanMulShift TLI hook. Use isOperationLegal directly instead.

[Dave Green via Phabricator via llvm-commits]

dmgreen added a comment.
Herald added a subscriber: steven.zhang.

@craig.topper @amyk @nemanjai Hello!
Do we want to keep the isMulhCheaperThanMulShift hook, or change it to a isOperationLegalOrCustom call, like most other transforms would use? If the hook is useful on some targets I can override it under MVE simply enough, let me know.


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  https://reviews.llvm.org/D80485/new/

https://reviews.llvm.org/D80485