[LLVMdev] [RFC] NoBuiltin Attribute

[Chris Lattner]

On Feb 18, 2013, at 5:16 PM, Krzysztof Parzyszek <kparzysz at codeaurora.org> wrote:

> On 2/18/2013 6:45 PM, Chris Lattner wrote:
>> 
>> In the context of LTO, it makes sense for the attribute to be on function bodies, not on prototypes.
> 
> What if the body is defined in some external library?

That code is presumably compiled by someone.  If whoever compiles it specifies -fno-builtin, the attribute would be added to it.  It doesn't affect its clients.

-Chris