[LLVMdev] How does JIT/lli work with bc file?
eli.friedman at gmail.com
Thu Dec 31 01:26:00 CST 2009
On Wed, Dec 30, 2009 at 7:53 PM, Heming Cui <heming at cs.columbia.edu> wrote:
> Dear all,
> I hope you enjoy your christmas! Recently I started to play lli with
> bc. I found that the lli only calls the main() function in bc file and then
> does nothing before the main() function returns, which means that the
> JIT::runFunction() function is involved only once with the main() function
> in bc file. If this was true, then lli does not have any control
> to the execution of program. Is this the case?
In JIT mode, yes.
> What I was thinking lli would do is fetching each LLVM IR instruction
> and "execute" it with some tricks. Is there any option for JIT/lli to work
> like this?
If you pass -force-interpreter to lli, you should get something closer
to what you're looking for.
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