[PATCH] D95122: [Libcalls, Attrs] Annotate libcalls with noundef
Dávid Bolvanský via Phabricator via llvm-commits
llvm-commits at lists.llvm.org
Thu Jan 21 11:23:40 PST 2021
xbolva00 added a comment.
In D95122#2512747 <https://reviews.llvm.org/D95122#2512747>, @aqjune wrote:
> Since this issue only happens when the undef value is involved, another solution is to revert D87994 <https://reviews.llvm.org/D87994> as suggested & make load/store's pointer noundef & rely on the future that the undef value will be finally removed.
> I don't think this will cause a problem in practice as well even if undef persists; memory sanitizer is already catching the case.
+1
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https://reviews.llvm.org/D95122/new/
https://reviews.llvm.org/D95122
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