[LLVMdev] call graph not complete

[Sanjiv Gupta]

Duncan Sands wrote:
> 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.
multiple loads/stores to individual bitfields of a type are combined 
into single load/store and there are no generated code for certain C 
statements.

>
> Ciao,
>
> Duncan.