[LLVMdev] How to convert an iterator to an object pointer

[Cameron Zwarich]

On 2011-01-30, at 8:04 PM, Surinder wrote:

> I have a pointer to a basic block and am iterating thru its
> predecessor blocks.  I want to get a pointer to the predecessor block.
> How do I do it.  I am using following code and it given compile time
> errors.
> 
> error: cannot convert 'llvm::const_pred_iterator' to 'const
> llvm::BasicBlock*' in initialization
> 
>    const BasicBlock *b = PH->getParent();
>    // process all pred block of the current block
>    for (const_pred_iterator pr=pred_begin(b), esc=pred_end(b); pr!=esc; ++pr)
>      { const BasicBlock *p = pr;     // ************error line ****************

Try using *pr instead.

Cameron