Changed llvm_ostream et all to OStream. llvm_cerr, llvm_cout, llvm_null, are
now cerr, cout, and NullStream resp.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@32298 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Analysis/IPA/CallGraph.cpp b/lib/Analysis/IPA/CallGraph.cpp
index 128e11e..6e8ca18 100644
--- a/lib/Analysis/IPA/CallGraph.cpp
+++ b/lib/Analysis/IPA/CallGraph.cpp
@@ -74,7 +74,7 @@
     AU.setPreservesAll();
   }
 
-  void print(llvm_ostream &o, const Module *M) const {
+  void print(OStream &o, const Module *M) const {
     if (o.stream()) print(*o.stream(), M);
   }
 
@@ -95,7 +95,7 @@
   /// dump - Print out this call graph.
   ///
   inline void dump() const {
-    print(llvm_cerr, Mod);
+    print(cerr, Mod);
   }
 
   CallGraphNode* getExternalCallingNode() const { return ExternalCallingNode; }
@@ -212,7 +212,7 @@
 }
 
 void CallGraph::dump() const {
-  print(llvm_cerr, 0);
+  print(cerr, 0);
 }
 
 //===----------------------------------------------------------------------===//
@@ -275,7 +275,7 @@
   OS << "\n";
 }
 
-void CallGraphNode::dump() const { print(llvm_cerr); }
+void CallGraphNode::dump() const { print(cerr); }
 
 void CallGraphNode::removeCallEdgeTo(CallGraphNode *Callee) {
   for (unsigned i = CalledFunctions.size(); ; --i) {