add a dump method to CallGraph


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@25314 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/include/llvm/Analysis/CallGraph.h b/include/llvm/Analysis/CallGraph.h
index 4edb602..e477be3 100644
--- a/include/llvm/Analysis/CallGraph.h
+++ b/include/llvm/Analysis/CallGraph.h
@@ -147,7 +147,8 @@
   void initialize(Module &M);
 
   virtual void print(std::ostream &o, const Module *M) const;
-
+  void dump() const;
+  
   // stub - dummy function, just ignore it
   static void stub();
 protected:
diff --git a/lib/Analysis/IPA/CallGraph.cpp b/lib/Analysis/IPA/CallGraph.cpp
index 03f73fa..29b8ed4 100644
--- a/lib/Analysis/IPA/CallGraph.cpp
+++ b/lib/Analysis/IPA/CallGraph.cpp
@@ -216,6 +216,10 @@
     I->second->print(OS);
 }
 
+void CallGraph::dump() const {
+  print(std::cerr, 0);
+}
+
 //===----------------------------------------------------------------------===//
 // Implementations of public modification methods
 //