[PATCH] D138526: [SimpleLoopUnswitch] unswitch selects

[Nikita Popov via Phabricator via llvm-commits]

nikic added a comment.

@vilatybuka This transform introduces a freeze on the select condition. msan assumes clean shadow for freeze. So I think by itself this shouldn't cause false positives in msan (at worst only false negatives, which are okay). Something more must be going on here.


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  https://reviews.llvm.org/D138526/new/

https://reviews.llvm.org/D138526