[PATCH] D142687: [Local] Don't keep K's range even if K dominates J

Nikita Popov via Phabricator via llvm-commits llvm-commits at lists.llvm.org
Fri Jan 27 00:55:48 PST 2023


nikic added a comment.

> BTW, I found that metadata !noundef is not handled in combineMetadata, is this intentional?

No. I think we should actually fix this first, and then retain the `!range` of the first load if `!noundef` is also set. This will make sure that there are no performance regressions from this change.


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D142687/new/

https://reviews.llvm.org/D142687



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