[llvm-dev] RFC: Promoting experimental reduction intrinsics to first class intrinsics

[Amara Emerson via llvm-dev]

Sure, they’re documented in the langref: http://llvm.org/docs/LangRef.html#experimental-vector-reduction-intrinsics <http://llvm.org/docs/LangRef.html#experimental-vector-reduction-intrinsics>

Amara

> On Apr 8, 2020, at 9:24 AM, Chris Lattner <clattner at nondot.org> wrote:
> 
> Hi Amara,
> 
> Can you provide a pointer to the docs that describe these?
> 
> -Chris
> 
>> On Apr 7, 2020, at 9:59 PM, Amara Emerson via llvm-dev <llvm-dev at lists.llvm.org> wrote:
>> 
>> Hi,
>> 
>> It’s been a few years now since I added some intrinsics for doing vector reductions. We’ve been using them exclusively on AArch64, and I’ve seen some traffic a while ago on list for other targets too. Sander did some work last year to refine the semantics after some discussion.
>> 
>> Are we at the point where we can drop the “experimental” from the name? IMO all target should begin to transition to using these as the preferred representation for reductions. But for now, I’m only proposing the naming change.
>> 
>> Cheers,
>> Amara
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> 

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