[PATCH] D75689: [VectorCombine] fold extract-extract-op with different extraction indexes

[Jorge Gorbe Moya via Phabricator via llvm-commits]

jgorbe added a comment.

Hi,

We're seeing some large performance regressions on Eigen (http://eigen.tuxfamily.org/) running on haswell and skylake machines with this patch. Could you please revert it?


Repository:
  rG LLVM Github Monorepo

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  https://reviews.llvm.org/D75689/new/

https://reviews.llvm.org/D75689