[PATCH] D134605: [SLP] Add ScalarizationOverheadBuilder helper to track vector extractions

[Simon Pilgrim via Phabricator via llvm-commits]

RKSimon added a comment.

Actually, I'm not sure if I should alter it - although the style guide recommends keeping just the declarations inside the namespace ("make anonymous namespaces as small as possible"), SLP appears to always keep the implementations there as well. @ABataev any preference?


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  https://reviews.llvm.org/D134605/new/

https://reviews.llvm.org/D134605