[PATCH] D122205: [LoopIdiom] Merge TBAA of adjacent stores when creating memset
Stephen Long via Phabricator via llvm-commits
llvm-commits at lists.llvm.org
Tue Mar 22 06:41:17 PDT 2022
steplong added a comment.
In D122205#3399389 <https://reviews.llvm.org/D122205#3399389>, @jeroen.dobbelaere wrote:
> Unfortunately, the context of this patch is not available :(
Whoops, should have explained the context. We were seeing GVN remove a load that had a TBAA that matched the 2nd store because GVN determined that it didn't match the TBAA on the memset that was created. The memset had the TBAA of the first store.
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https://reviews.llvm.org/D122205/new/
https://reviews.llvm.org/D122205
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