[LLVMdev] addrspace attribute and intrisics

Benedict Gaster benedict.gaster at amd.com
Mon Jul 7 12:15:50 PDT 2008


Yes I agree now that I've seen a more complex example.

Ben

On 7 Jul 2008, at 20:27, Chris Lattner wrote:

> On Mon, 7 Jul 2008, Mon P Wang wrote:
>> I should double check this but I viewed the "." as being useful to
>> separate different parameter types in case we need to overload on
>> multiple parameters.  I think of p0i32 as the type of a single
>> parameter.  If we had multiple parameters with complex types, I think
>> it might become harder to read if we separated each component, .e.g.,
>> a hypothetical intrinsic that takes a vector of 4 of pointers to i32
>> and vector of 4 of pointers to i64 would look either like
>>   @intrinsic.v4p0i32.v4p0i64
>> or
>>   @intrinsic.v4.p0.i32.v4.p0.i64
>>
>> I find the former a little easier to parse.  What do you all think?
>
> I agree, I prefer the former.
>
> -Chris
>
>> On Jul 7, 2008, at 2:40 AM, Benedict Gaster wrote:
>>
>>> Hi,
>>>
>>> Great I look forward to the patch!
>>>
>>> One comment I had was on the name of the overloaded intrinsics. In
>>> your example you resolve the atomic.load.add to:
>>>
>>> 	@llvm.atomic.load.add.p0i32     // i32 ptr to default address space
>>> 	@llvm.atomic.load.add.p11i32   // i32 ptr to address space 11
>>>
>>> and I was wondering could they instead be named:
>>>
>>> 	@llvm.atomic.load.add.p0.i32     // i32 ptr to default address  
>>> space
>>> 	@llvm.atomic.load.add.p11.i32   // i32 ptr to address space 11
>>>
>>> For me this is a little easier to read and separates out the type
>>> components.  I expect that there might be an LLVM naming convention
>>> that I am not aware off, that invalidates my suggestion.
>>> [Deleted Text]
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>
> -Chris
>
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