Add debugging support.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@58408 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/ARM/ARMConstantPoolValue.h b/lib/Target/ARM/ARMConstantPoolValue.h
index caf8d54..b5f8325 100644
--- a/lib/Target/ARM/ARMConstantPoolValue.h
+++ b/lib/Target/ARM/ARMConstantPoolValue.h
@@ -69,9 +69,23 @@
 
   virtual void AddSelectionDAGCSEId(FoldingSetNodeID &ID);
 
-  virtual void print(raw_ostream &O) const;
+  void print(std::ostream *O) const { if (O) print(*O); }
+  void print(std::ostream &O) const;
+  void print(raw_ostream *O) const { if (O) print(*O); }
+  void print(raw_ostream &O) const;
+  void dump() const;
 };
-  
+
+  inline std::ostream &operator<<(std::ostream &O, const ARMConstantPoolValue &V) {
+  V.print(O);
+  return O;
 }
+  
+inline raw_ostream &operator<<(raw_ostream &O, const ARMConstantPoolValue &V) {
+  V.print(O);
+  return O;
+}
+
+} // End llvm namespace
 
 #endif