[PATCH] D94142: [IR] Allow scalable vectors in structs to support intrinsics returning multiple values.

[Kito Cheng via Phabricator via llvm-commits]

kito-cheng added a comment.

In D94142#2489469 <https://reviews.llvm.org/D94142#2489469>, @craig.topper wrote:

> It won't be a struct in clang's type system. It's it own special builtin type. I hope we can control the codegen of that type and emit it as multiple allocas/loads/stores. I haven't looked at this yet. Clang can also emit fixed size memcpys of structs which would be broken for this. So we are going to need to customize clang.

OK, I don't have strong opinion on allow or disallow allocas/loads/stores, just make sure we have aware there is potential issue there :)


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https://reviews.llvm.org/D94142