[PATCH] D103274: [X86] Split FeatureFastVariableShuffle tuning into Lane-Crossing and Per-Lane variants

[Roman Lebedev via Phabricator via llvm-commits]

lebedev.ri added a comment.

@pengfei @craig.topper @RKSimon does anyone feel strongly regarding the avx512 question and the question about not having `fast-variable-crosslane-shuffle`?


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  rG LLVM Github Monorepo

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  https://reviews.llvm.org/D103274/new/

https://reviews.llvm.org/D103274