[PATCH] D132374: [TTI] Add SK_Splice shuffle mask detection and X86 costs

[Simon Pilgrim via Phabricator via llvm-commits]

RKSimon added a comment.

In D132374#3741601 <https://reviews.llvm.org/D132374#3741601>, @dmgreen wrote:

> I can't speak to the X86 costs, but the isSpliceMask changes look good. Do we want to use it in improveShuffleKindFromMask too?

Yes, I can add it now although I'm not sure if we'll see any test coverage changes


Repository:
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https://reviews.llvm.org/D132374