tree f2f971d449da747f2d90b2e294bbf9982e557ca7
parent 543cf08636f3a3bb55dddba2e8cad787601647ba
author Nikita Popov <npopov@redhat.com> 1706091616 +0100
committer GitHub <noreply@github.com> 1706091616 +0100
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[LAA] Drop alias scope metadata that is not valid across iterations (#79161)

LAA currently adds memory locations with their original AATags to AST.
However, scoped alias AATags may be valid only within one loop
iteration, while LAA reasons across iterations.

Fix this by determining which alias scopes are defined inside the loop,
and drop AATags that reference these scopes.

Fixes https://github.com/llvm/llvm-project/issues/79137.