diff --git a/llvm/include/llvm/ADT/DirectedGraph.h b/llvm/include/llvm/ADT/DirectedGraph.h
--- a/llvm/include/llvm/ADT/DirectedGraph.h
+++ b/llvm/include/llvm/ADT/DirectedGraph.h
@@ -172,9 +172,9 @@
 /// Each edge contains the target node it connects to.
 template <class NodeType, class EdgeType> class DirectedGraph {
 protected:
-  using NodeListTy = SmallVector<NodeType *, 10>;
   using EdgeListTy = SmallVector<EdgeType *, 10>;
 public:
+  using NodeListTy = SmallVector<NodeType *, 10>;
   using iterator = typename NodeListTy::iterator;
   using const_iterator = typename NodeListTy::const_iterator;
   using DGraphType = DirectedGraph<NodeType, EdgeType>;
@@ -183,6 +183,7 @@
   explicit DirectedGraph(NodeType &N) : Nodes() { addNode(N); }
   DirectedGraph(const DGraphType &G) : Nodes(G.Nodes) {}
   DirectedGraph(DGraphType &&RHS) : Nodes(std::move(RHS.Nodes)) {}
+  DirectedGraph(NodeListTy Nodes) : Nodes(std::move(Nodes)) {}
   DGraphType &operator=(const DGraphType &G) {
     Nodes = G.Nodes;
     return *this;