[LLVMdev] built-in longjmp and setjmp

Joerg Sonnenberger joerg at britannica.bec.de
Wed Apr 27 16:08:13 PDT 2011

On Wed, Apr 27, 2011 at 03:55:53PM -0700, Jim Grosbach wrote:
> The builtins are for internal compiler use in the context of SjLj
> exception handling. Any other use, including any direct calls of the
> builtins in user code, are a bad idea with no guaranteed behaviour.
> That they're exposed at all is, again, for historical purposes. Don't use them. 

Why is longjmp converted into calls to the builtin then?
See PR 8765.


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