[PATCH] D158262: [AArch64] Add Defs=[NZCV] to MTE loop pseudos.

Simon Tatham via Phabricator via llvm-commits llvm-commits at lists.llvm.org
Fri Aug 18 05:19:33 PDT 2023


simon_tatham added a comment.

I agree that it would be nice to test all four pseudos if possible, but I don't know how to generate the other two. The clearing of the tags on function exit in this example is done by the `STGloop` shown in my `CHECK` line, so if that didn't cause an `STZGloop` of any kind then I don't know what would.

I also agree that it's not vital, since the same code change affects all four pseudos in any case.


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  https://reviews.llvm.org/D158262/new/

https://reviews.llvm.org/D158262



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