[PATCH] D136055: [ValueTracking] Make !range metadata imply noundef for load & call results
Nikita Popov via Phabricator via llvm-commits
llvm-commits at lists.llvm.org
Mon Oct 17 01:29:10 PDT 2022
nikic added reviewers: fhahn, nlopes.
nikic added a comment.
This is correct as specified, but I think there were plans to change `!range` and `!nonnull` to return poison, and require an additional `!noundef` to make them immediate UB, which is the way it works for attributes. I'm not sure what the state of that is though.
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https://reviews.llvm.org/D136055/new/
https://reviews.llvm.org/D136055
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