[LLVMdev] metadata syntax

Dale Johannesen dalej at apple.com
Thu Apr 23 10:18:46 PDT 2009


On Apr 23, 2009, at 10:14 AMPDT, Devang Patel wrote:

> On Wed, Apr 22, 2009 at 7:30 PM, Nick Lewycky <nicholas at mxc.ca> wrote:
>>
>> The first client for metadata I have in mind for metadata is TBAA.
>
> Why do you think that TBAA will beat Debug Info on this front ;)
>
> Back to original topic, I still don't see real good reason to refer
> instructions in other function. I'd rather wait till we have a good
> reason to use it. And if we have to invent a new syntax then pl. avoid
> overloading "/".

gcc has an extension to allow the address of labels to be taken and  
exported.  IMO it would not be a great loss if llvm refused to support  
this, but I suppose somebody somewhere is using it...




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