diff options
| -rw-r--r-- | include/llvm/ADT/DepthFirstIterator.h | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/include/llvm/ADT/DepthFirstIterator.h b/include/llvm/ADT/DepthFirstIterator.h index 5f2df2a..b9e5cbd 100644 --- a/include/llvm/ADT/DepthFirstIterator.h +++ b/include/llvm/ADT/DepthFirstIterator.h @@ -183,6 +183,16 @@ public: inline bool nodeVisited(NodeType *Node) const { return this->Visited.count(Node) != 0; } + + /// getPathLength - Return the length of the path from the entry node to the + /// current node, counting both nodes. + unsigned getPathLength() const { return VisitStack.size(); } + + /// getPath - Return the n'th node in the path from the the entry node to the + /// current node. + NodeType *getPath(unsigned n) const { + return VisitStack[n].first.getPointer(); + } }; |