Add new optional getPassName() virtual function that a Pass can override

to make debugging output a lot nicer.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@2395 91177308-0d34-0410-b5e6-96231b3b80d8

include/llvm/Analysis/DataStructure/DataStructure.h

@@ -439,6 +439,8 @@ public:
   DataStructure(AnalysisID id) { assert(id == ID); }
   ~DataStructure() { releaseMemory(); }
 
+  virtual const char *getPassName() const { return "Data Structure Analysis"; }
+
   // run - Do nothing, because methods are analyzed lazily
   virtual bool run(Module *TheModule) { return false; }