[LLVMdev] API on JIT, code snippets

[Reid Spencer]

vak wrote:

> Well. Compiled. Tested.  Infinite loop in:
> 
> GenericValue gv = EE->runFunction(FooF, noargs);
> 
> you were really, really close, Reid, just a one mistake:
> 
> < CallInst * Add1CallRes = new CallInst(FooF, Params, "foo", BB);
> 
>  > CallInst * Add1CallRes = new CallInst(Add1F, Params, "add1", BB);

Duh. Oops!

> 
> I got advice from Chris, thx.
> 
> AND NOW IT WORKSSSSSS!!!
> 
> HowToUseJIT.cpp is attached as finall version.
> 
> ...well could anyone tell me whether JIT was really invoked in this code?
> What kind of optimization were applied by default (if any)?

JIT should have been invoked (its a subclass of ExecutionEngine). I doubt any 
optimizations were applied. I'll leave that as an exercise for you to play 
with. Have a look at the PassManager.

> 
> thanks.
> 
> oh, and great thanks to Reid of course!

Glad to help.

Reid.