[LLVMdev] Annotating known pointer alignment

[Clemens Hammacher]

Hi Duncan,

>>>   and instcombine adds the explicit alignment according to
>>>> the langref (pref alignment).
>>>
>>> Without an explicit alignment means the ABI alignment in the case of
>>> loads/stores.
>>
>> Yes, that second step was clear. Assuming you meant the "preferential
>> alignment", according to the langref.
>
> no, I meant the ABI alignment.  If the LangRef says the preferential
> alignment
> then I'm pretty sure the LangRef is wrong!

Yep, the InstCombiner in fact uses the ABI alignment, so propably you 
are right and the LangRef is wrong.


Cheers,
Clemens