[PATCH] D140089: [MemCpyOpt] Add a stack-move optimization to opportunistically merge allocas together.

[Patrick Walton via Phabricator via llvm-commits]

pcwalton added a comment.

Should be ready for re-review now.



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Comment at: llvm/test/Transforms/MemCpyOpt/stack-move.ll:36
+}
+
+; Tests that the optimization succeeds with a basic call to memmove.
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arsenm wrote:
> Add a test with a volatile memcpy. Also one that shows metadata that was attached to these
I'm not quite sure what you meant by metadata that was attached, but I added a test `remove_alloca_metadata` that ensures that we strip metadata properly.


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  https://reviews.llvm.org/D140089/new/

https://reviews.llvm.org/D140089