[LLVMdev] How can i differentiate pointer type int 32* from int 32** ?

[John Criswell]

On 7/17/15 12:38 PM, Shen Liu wrote:
> Hi all, as a LLVM beginner I would like to know how can i check the 
> pointer types with different levels like int 32* and int 32**, int 32***?
>
> By using value->getType()->isPointerTy() i can just know they are 
> pointers. But the dump results clearly show they are different. Is 
> there a good way to calculate their actual point to levels? Thanks!

You will need to use dyn_cast<PointerType> to cast the Type * into a 
PointerType *.  Once you do that, you can find the Type * that the 
PointerType points to.

Regards,

John Criswell

>
>
> Best regards,
>
> Shen
>
>
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-- 
John Criswell
Assistant Professor
Department of Computer Science, University of Rochester
http://www.cs.rochester.edu/u/criswell

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