[LLVMdev] Proposal: extended MDString syntax

[Bob Wilson]

On Jun 26, 2013, at 4:30 PM, Eric Christopher <echristo at gmail.com> wrote:

>> 
>> 
>> I think that the two alternatives that are obvious are for the MF to contain
>> the IR, or for the IR to contain the MF.  Alternatively, they can live in
>> parallel and the MF may reference the IR.  I am not sure what is the right
>> approach here, but my gut feeling is that metadata is not necessarily the
>> right container for MF.
> 
> Off the cuff I'd think that IR containing MF seems most reasonable and
> the use of metadata to contain it seems to be good from two
> perspectives I think:
> 
> a) it already exists,
> b) oddly enough that we could get rid of the metadata and still have a
> valid module/compilation unit seems like it might be interestingly
> useful, but I'm not sure what uses there are off the top of my head.
> 
> That said, I really have no preference either way, just idle
> speculation. Probably similar to you since we've both not thought
> deeply upon it :)
> 
> The MDString stuff does seem like it might be useful in general if
> we'd like to have that though.

The basic yaml support already exists, too.  I just haven't committed the patches.

I'll try to sort out some of Bin's patches soon.  They might need some updating, since yamlio has evolved since he worked with it.