[PATCH] D113853: [X86][Costmodel] `getReplicationShuffleCost()`: promote 8 bit-wide elements to 32 bit when no AVX512VBMI

Roman Lebedev via Phabricator via llvm-commits llvm-commits at lists.llvm.org
Mon Nov 15 08:29:02 PST 2021

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lebedev.ri added a comment.

Promoting i8->i16 when BW but not VBMI appears to be mostly unprofitable, so i guess i'll skip directly to i1.


Repository:
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  https://reviews.llvm.org/D113853/new/

https://reviews.llvm.org/D113853

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