[PATCH] D131452: [InstCombine] avoid generating mul intrinsic that lowers as a libcall

[Simon Pilgrim via Phabricator via llvm-commits]

RKSimon added a comment.

Makes sense to me, and should be relatively trivial to merge into 15.x

@andrewrk @nickdesaulniers any thoughts?


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  https://reviews.llvm.org/D131452/new/

https://reviews.llvm.org/D131452