[PATCH] D141180: [X86] Only match BMI (BLSR, BLSI, BLSMSK) if the add/sub op is single use

[Noah Goldstein via Phabricator via llvm-commits]

goldstein.w.n added a comment.

In D141180#4061582 <https://reviews.llvm.org/D141180#4061582>, @RKSimon wrote:

> LGTM - for ryzen at least the moves tend to always be free.

can you also checkout `D141179` or should I split this?


Repository:
  rG LLVM Github Monorepo

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  https://reviews.llvm.org/D141180/new/

https://reviews.llvm.org/D141180