[PATCH] D105382: [GlobalISel] Tail call memcpy/memmove/memset even in the presence of copies

[Jessica Paquette via Phabricator via llvm-commits]

paquette added a subscriber: rjmccall.
paquette added a comment.

So, this is always assuming we can treat G_MEMCPY and friends as `thisreturn`, right?

In D105671 <https://reviews.llvm.org/D105671>, @rjmccall mentioned that this may only be correct in terms of using it for ARC. Can we guarantee that we only do this for ARC here too?


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  https://reviews.llvm.org/D105382/new/

https://reviews.llvm.org/D105382