[PATCH] D124769: [SLP] AdjustExtractsCost - remove redundant subvector extraction code

[Alexey Bataev via Phabricator via llvm-commits]

ABataev added a comment.

In D124769#3498914 <https://reviews.llvm.org/D124769#3498914>, @RKSimon wrote:

> I'll come back to this - ideally we'd avoid handling the subvector cost adjustments in SLP and let getScalarizationOverhead deal with it.

I think this is possible, but need to reimplement the whole `AdjustExtractsCost`, need to use getScalarizationOverhead instead of getVectorInstrCostr.


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https://reviews.llvm.org/D124769