[LLVMdev] Stack maps no longer experimental in 3.5

[Filip Pizlo]

That would work. :-)

What about exposing C API a function to query for the presence of an intrinsic?

-Fil

> On Jun 7, 2014, at 3:37 AM, Rafael Espíndola <rafael.espindola at gmail.com> wrote:
> 
>> On 7 June 2014 00:14, Filip Pizlo <fpizlo at apple.com> wrote:
>> The only setback is to ensure that we synchronize the renaming with WebKit.
>> 
>> The WebKit->LLVM interface currently avoids revision-lock; you can take any
>> recent revision of either and build a working browser engine. This is mostly
>> true even when we change the stack map format because of versioning in the
>> format. I'd rather keep it that way.
>> 
>> Is there a way to do this with intrinsics?  I.e. is there a safe way for
>> WebKit to query whether "llvm.patchpoint" is an available intrinsic, and
>> then fallback to "llvm.experimental.patchpoint" if it's not available?
> 
> Keeping both names during a smallish time window should be sufficient, no?
> 
> Cheers,
> Rafael