Pretty print pass managers.

llvm-svn: 33767

llvm/include/llvm/PassManagers.h

@@ -312,6 +312,10 @@ public:
   // Print passes managed by this manager
   void dumpPassStructure(unsigned Offset);
 
+  virtual const char *getPassName() const {
+    return "Function Pass Manager";
+  }
+
   FunctionPass *getContainedPass(unsigned N) {
     assert ( N < PassVector.size() && "Pass number out of range!");
     FunctionPass *FP = static_cast<FunctionPass *>(PassVector[N]);