[PATCH] OpenCL/SPIR - fix kernel_arg_type metadata node
Fraser Cormack
fraser at codeplay.com
Wed Jul 30 06:29:30 PDT 2014
Hi,
So I just tried "unsigned" without the type name and clang still
reported it as "unsigned int" and everything worked as expected. Does
this sound good to commit?
Cheers,
Fraser
On 30/07/14 14:28, Pekka Jääskeläinen wrote:
> Hi,
>
> Is 'unsigned' (without the type name) legal in OpenCL C like it's in C?
> If so, it might still break with this (converts to 'u' instead of
> 'uint'?). Otherwise LGTM.
>
> On 07/30/2014 02:04 PM, Fraser Cormack wrote:
>> Hi,
>>
>> This patch fixes a bug where the OpenCL kernel_arg_type metadata node
>> can mistakenly switch "unsigned" to "u" for non-canonical types.
>>
>> Before,
>>
>> typedef unsigned int myunsignedint;
>> kernel void foo4(__global unsigned int * X, __global myunsignedint
>> * Y) {}
>>
>> would have produced:
>>
>> metadata !{metadata !"kernel_arg_type", metadata !"uint*", metadata
>> !"myunt*"}
>>
>> As it switched any occurrence of "unsigned " to "u".
>>
>> Cheers,
>> Fraser
>>
>>
>>
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>
>
--
Fraser Cormack
Compiler Developer
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