diff --git a/llvm/include/llvm/CodeGen/SelectionDAGNodes.h b/llvm/include/llvm/CodeGen/SelectionDAGNodes.h
index b60e2f2a31f10b96a5ea1d18858266b2c8a823a7..964b498915260450269168f61a96515913a59348 100644
--- a/llvm/include/llvm/CodeGen/SelectionDAGNodes.h
+++ b/llvm/include/llvm/CodeGen/SelectionDAGNodes.h
@@ -1297,9 +1297,17 @@ public:
   ///
   void printWithFullDepth(raw_ostream &O, const SelectionDAG *G = 0,
                           unsigned indent = 0) const;
+  /// dump - Dump this node, for debugging.
   void dump() const;
+  /// dumpr - Dump (recursively) this node and its use-def subgraph.
   void dumpr() const;
+  /// dump - Dump this node, for debugging.
+  /// The given SelectionDAG allows target-specific nodes to be printed
+  /// in human-readable form.
   void dump(const SelectionDAG *G) const;
+  /// dumpr - Dump (recursively) this node and its use-def subgraph.
+  /// The given SelectionDAG allows target-specific nodes to be printed
+  /// in human-readable form.
   void dumpr(const SelectionDAG *G) const;
   /// dumpWithDepth - printWithDepth to dbgs().
   ///