Fwd: update the "-cl-kernel-arg-info" option for SPIR

[Sahasrabuddhe, Sameer]

On 11/27/2014 8:12 AM, Ribulous Barnulous wrote:
> Great. Anything else I need to do to get committed?
>
> On Tue, Nov 25, 2014 at 11:54 PM, Sahasrabuddhe, Sameer 
> <sameer.sahasrabuddhe at amd.com <mailto:sameer.sahasrabuddhe at amd.com>> 
> wrote:
>
>     Thanks. LGTM!
>

Since nobody has submitted the patch so far, I could take a stab at it. 
Please holler if that is unexpected!

I have commit access to the svn repo, which was originally meant for 
submitting minor fixes to Polly. I never needed to submit anything so 
this would be my first time. I checked out llvm trunk and cfe trunk, and 
then ran "ninja check-all" with the patch applied. Is there any other 
sanity check to be done?

The commit message will be:
<msg>
Always emit kernel arg info for SPIR.

http://llvm.org/bugs/show_bug.cgi?id=21555

Currently, kernel argument metadata is omitted unless the
"-cl-kernel-arg-info" option is specified. But the SPIR 1.2 spec
requires that all metadata except kernel_arg_name should always be
emitted, and kernel_arg_name is only emitted when
"-cl-kernel-arg-info" is specified.

Patch contributed by Ribulous Barnulous.
</msg>

BTW, is "Ribulous Barnulous" the same as "Ryan Burn" from the bug? If 
so, which name should go in the commit?

Sameer.