new method

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21869 91177308-0d34-0410-b5e6-96231b3b80d8

include/llvm/CodeGen/SelectionDAGNodes.h

@@ -509,6 +509,10 @@ public:
 
   static bool classof(const SDNode *) { return true; }
 
+
+  /// setAdjCallChain - This method should only be used by the legalizer.
+  void setAdjCallChain(SDOperand N);
+  
 protected:
   friend class SelectionDAG;