[PATCH] D136861: [IR] Add LLVM IR support for aarch64_svcount opaque type.

Thu Oct 27 14:23:56 PDT 2022

nikic added a comment.

In D136861#3889897 <https://reviews.llvm.org/D136861#3889897>, @aemerson wrote:

> In D136861#3889474 <https://reviews.llvm.org/D136861#3889474>, @nikic wrote:
>
>> Any chance this can be implemented as an opaque type as introduced in https://reviews.llvm.org/D135202 instead? Providing a general mechanism for target-specific types is the purpose of opaque types, so it would be great if they work for this use case. cc @jcranmer-intel
>
> Can this be implemented in the existing way? Otherwise users of -DCLANG_ENABLE_OPAQUE_POINTERS=OFF/-Xclang -no-opaque-pointers won't be able to use SME intrinsics.

Despite both having "opaque" in the name, opaque pointers and opaque types aren't really related. Opaque types would work even with `-no-opaque-pointers`.

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https://reviews.llvm.org/D136861