[LLVMdev] [AArch64] Should we restrict to the pointer type used in ldN/stN intrinsics?

[Hao Liu]

Hi Tim,

No actual problems. It's just a cleanliness goal.
It's OK that we keep it as current status.

Thanks,
-Hao

>-----Original Message-----
>From: Tim Northover [mailto:t.p.northover at gmail.com]
>Sent: 2015年5月5日 12:12
>To: Hao Liu
>Cc: Ahmed Bougacha; LLVM Developers Mailing List
>Subject: Re: [LLVMdev][AArch64] Should we restrict to the pointer type used in
>ldN/stN intrinsics?
>
>Hi Hao,
>
>> I just think it’s strange that the pointer has no relationship with
>> the returned type. Currently there are IR regression test cases using
>> different kinds of pointers like ‘xx.ld2.v4i32.p0i32’,
>> ‘xx.ld2.v4i32.p0v4i32’ or ‘xx.ld2.v4i32.p0i8’, which looks confusing.
>> Should we modify the definition of such intrinsics and restrict the pointer
>type?
>
>I'm not sure I'd bother. We're hoping to move to a single pointer type
>throughout LLVM, and this sounds like something that would just have to be
>undone when we do. On the other hand, there's not been much actual progress
>there for a while, at least that I've noticed.
>
>Is is causing actual problems that you've seen, or is it a cleanliness goal?
>
>Cheers.
>
>Tim.