[LLVMdev] [RFC] Overhauling Attributes

[Duncan Sands]

Hi Bill,

On 30/12/12 03:21, Bill Wendling wrote:
> Hi Rafael,
>
> Sorry, I forgot to respond to this. They can be arbitrary strings that are known only to the specific back-end. It may be beneficial to define them inside of the LangRef document though.

this sounds so much like metadata...  What was the reason for not enhancing
metadata to cover this use case?  I'm sure you explained but I've completely
forgotten...

Ciao, Duncan.

>
> -bw
>
> On Oct 4, 2012, at 7:47 PM, Rafael Espíndola <rafael.espindola at gmail.com> wrote:
>
>>> attrgroup #1 = { "long-calls", "cpu=cortex-a8", "thumb" }
>>>
>>> define void @func() noinline ssp attrgroup(#1) {
>>>   ret void
>>> }
>>>
>>
>> I like the general idea. Just one clarification: In the above example,
>> are the attributes taken from a list specified in the language ref
>> (like current attributes) or can they be arbitrary "strings" (like
>> metadata)?
>>
>> Cheers,
>> Rafael
>
>
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