[PATCH] D132308: [LV] Replace fixed-order cost model with a SK_Splice shuffle

Dávid Bolvanský via Phabricator via llvm-commits llvm-commits at lists.llvm.org
Sat Aug 20 12:20:25 PDT 2022


xbolva00 added a comment.

>> existing cost model can drastically under-estimate the correct cost for the shuffle …. and some targets may require additions to the cost-model to correctly account for them.

Hm, sounds like your fix improves some targets and at the same time possibly regresses others?


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https://reviews.llvm.org/D132308



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