[LLVMdev] Walking all the predecessors for a basic block

[Chris Lattner]

On Tue, 22 Jan 2008, Ted Kremenek wrote:
> For your particular task, I *think* you would do the following
> (someone else please correct me if I am wrong):
>
> #include "llvm/Support/CFG.h"
> #include "llvm/ADT/DepthFirstIterator.h"
>
> for (idf_iterator<BasicBlock*> I=idf_begin(BB), E=idf_end(BB); I != E;
> ++I) {
>   BasicBlock* B = *I;

Yep, that's perfect.

-Chris

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