[LLVMdev] Parsing (and compiling) on demand.

Kenneth Uildriks
Sat, 17 Apr 2010 19:44:56 -0000

On Sat, Apr 17, 2010 at 2:15 PM, Nick Lewycky <nicholas at mxc.ca>
wrote:
> lost wrote:
>> Ok than, but how to insert a call to an undefined function?
>
> You need to have the function declaration and insert a call to that.
> Once your LazyFunctionCreator is called, you fill in the body and call
> JIT->getPointerToFunction() on it and return that result.
>
> I haven't actually tried this, but it seems to be the only way to use
> this API, so I presume someone else has. The only potential problem I
> can forsee is if the JIT isn't actually re-entrant.

I actually tried that several months ago and, it turned out, the JIT
wasn't actually reentrant and didn't like that at all.