[LLVMdev] [Debug Info + LTO] Type Uniquing for C types?

[Manman Ren]

On Fri, Oct 11, 2013 at 11:54 AM, Eric Christopher <echristo at gmail.com>wrote:

> >
> > I think the easiest design you'll get for uniquing C types that are
> > named the same thing (i.e. type defined in a .h file) is to use the
> > name of the struct combined with the file (and possibly line/column)
> > as an identifier. If you want to unify by structure then you'll need
> > to do something the equivalent to the type hashing that we're
> > implementing in the back end, but that'll be more difficult to
> > construct via the front end - it may be possible though.
> >
>
> To sum up in a slightly better way I think Doug has posted some rules
> on how to merge C types for modules and we could use those to
> construct a unique identifier for the type. If we do that I'd request
> we prepend the type name in there some how as that'd be convenient. :)
>

If we can get a unique identifier without the type hashing, that will be
great. Where can I find the rules?

Manman


>
> -eric
>
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