[LLVMdev] dyn_cast vs. dynamic_cast

[Trevor Harmon]

On Nov 12, 2010, at 5:57 PM, Óscar Fuentes wrote:

>> Could someone
>> please explain why I should use dyn_cast instead of dynamic_cast? (I
>> thought all classes have v-tables...) Thanks,
>
> For reducing executable size, LLVM builds with RTTI disabled where
> possible.

Right, but how does that relate to dyn_cast? I thought v-tables were  
present even when RTTI is not (because otherwise polymorphism would be  
impossible).

Trevor