[PATCH] D143787: [X86] Add new pass `X86FixupInstTuning` for fixing up machine-instruction selection.

[Noah Goldstein via Phabricator via llvm-commits]

goldstein.w.n added a comment.

In D143787#4150522 <https://reviews.llvm.org/D143787#4150522>, @e-kud wrote:

> LGTM. I second that masked versions should be handled as well. I thought they have TP equal to perms but I've double checked and it seems that masked shuffles have TP=0.5 comparing to perms.

@RKSimon added masked predicates at D144763 <https://reviews.llvm.org/D144763>


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  https://reviews.llvm.org/D143787/new/

https://reviews.llvm.org/D143787