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

lib/VMCore/Verifier.cpp

@@ -58,6 +58,8 @@ namespace {  // Anonymous namespace for class
 
     Verifier() : Broken(false) {}
 
+    virtual const char *getPassName() const { return "Module Verifier"; }
+
     bool doInitialization(Module *M) {
       verifySymbolTable(M->getSymbolTable());
       return false;