Return an external-storage depth-first iterator at the entry of G.
Declared in <llvm/ADT/DepthFirstIterator.h>
template<
class T,
class SetTy>
df_ext_iterator<T, SetTy>
df_ext_begin(
T const& G,
SetTy& S);Depth-first iterator that stores its visited set externally.
| Name | Description |
|---|---|
| G | Graph to traverse. |
| S | Caller-owned visited set. |