[PATCH] D52121: [X86] Fold (movmsk (setne (and X, (1 << C)), 0)) -> (movmsk (X << C))

Simon Pilgrim via Phabricator via llvm-commits llvm-commits at lists.llvm.org
Sat Sep 15 03:28:03 PDT 2018


RKSimon added a comment.

In https://reviews.llvm.org/D52121#1235604, @craig.topper wrote:

> Not sure how https://reviews.llvm.org/D38128 would help. Isn't that about register allocation?


Sorry - that was supposed to be for https://reviews.llvm.org/D52109


https://reviews.llvm.org/D52121





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