[LLVMdev] call graph not complete

[Duncan Sands]

Hi Sanjiv,

> How can we just selectively turn only that optimization ON?

you can't.  That said, you could write your own pass that does it.

> We don't want to turn on a whole lot of  other stuff that instcombine 
> does as they mess up debugging in our case.

If instcombine makes debug info useless, then that's rather bad.  Can
you please explain more about this.

Ciao,

Duncan.