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

Fri Jul 16 15:02:44 PDT 2021

aemerson added a comment.

In D105382#2884618 <https://reviews.llvm.org/D105382#2884618>, @paquette wrote:

> 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?

I read that comment to mean those only affected the objc functions, not memcpy.

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

https://reviews.llvm.org/D105382