[cfe-dev] OpenCL & SPIR specific types - proposal and patch

[Tanya Lattner]

I'm hoping to have comments on this patch tomorrow, but since I have proposed several patches to Clang for the sampler type (and have another in revision).. can you explain why you want to change the type from an integer to a pointer? 

-Tanya

On Oct 3, 2012, at 8:06 AM, "Benyei, Guy" <guy.benyei at intel.com> wrote:

> I’d like to renew the discussion about making the OpenCL specific types first class citizens in Clang.
>  
> I think this change is required by the OpenCL specifications, since these type names are keywords of the OpenCL C language.
> This change is also needed in order to enable efficient checking of OpenCL restrictions on these types (OpenCL 1.2 spec, section 6.9).
> Furthermore, the proposed change will turn these types to pointers to opaque types, which means that it will hide the actual (vendor specific) implementation, so the OpenCL vendors using Clang will be able to implement these types in their own way.
>  
> This change would also be a basis for the implementation of SPIR generation by Clang. The SPIR discussion and spec can be found here:
> http://lists.cs.uiuc.edu/pipermail/cfe-dev/2012-September/024132.html
> http://lists.cs.uiuc.edu/pipermail/cfe-dev/2012-September/024178.html
>  
> Earlier discussion about the OpenCL types was started by Anton Lokhmotov:
> http://lists.cs.uiuc.edu/pipermail/cfe-dev/2011-May/015297.html
> http://lists.cs.uiuc.edu/pipermail/cfe-dev/2011-April/014741.html
> http://lists.cs.uiuc.edu/pipermail/cfe-dev/2011-March/014118.html
> http://lists.cs.uiuc.edu/pipermail/cfe-dev/2011-March/014121.html
>  
>  
> <image001.png>
>  
> <opencl_types.patch>
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