[PATCH] D85743: [CodeGen][AArch64] Support arm_sve_vector_bits attribute

Thu Aug 27 08:14:11 PDT 2020

c-rhodes added a comment.

In D85743#2219215 <https://reviews.llvm.org/D85743#2219215>, @efriedma wrote:

> LGTM
>
> Like I mentioned on the review for the prototype, I still think we should try to implement a scheme that makes CK_BItCast between fixed and scalable types trivial.  Doing coercion this way is going to have a significant performance cost.  But there isn't any user-visible effect, so I'm fine with leaving that for a followup.

I agree the bitcast scheme certainly isn't optimal but it's a start at least and something we intend to address going forward. Thanks for reviewing!

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https://reviews.llvm.org/D85743