[LLVMdev] promotion of return value.

[Duncan Sands]

On Thursday 12 March 2009 18:38:33 Alireza.Moshtaghi at microchip.com wrote:
> Previously we talked about adding new attributes to function to identify the promotion class. 
> >   sign_ext_from_i8, sign_ext_from_i16
> >   zero_ext_from_i8, zero_ext_from_i16
> 
> Aren't these attributes more applicable to return value? of course then the question would be if they are also applicable to parameters too? (because we use same attributes for parameters and return value)? or should we disallow then on parameters?

Since the LLVM IR supports arbitrary precision integers,
shouldn't there be zero_ext_from_i17 as well?  At least
zero_ext_from_i1?

Ciao,

Duncan.

PS: What is the problem this is trying to solve?