[PATCH] D125601: [DAGCombiner][AArch64] Reorder the bitcast of scalable vector
Paul Walker via Phabricator via llvm-commits
llvm-commits at lists.llvm.org
Thu May 19 08:03:14 PDT 2022
paulwalker-arm added a comment.
Hi @Allen, sorry I've not had chance to review your patch yet. I'll try to take a proper look tomorrow but in the interim my main concern is that this optimisation specifically relates to NEON sized vectors where we can do a better job of the extracts. I'm not sure we want to do this transform for all fixed length vector types though. Part of me thinks we're missing a different, more specific, transformation somewhere. However, I cannot be sure until I've had chance to investigate a little more.
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https://reviews.llvm.org/D125601/new/
https://reviews.llvm.org/D125601
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