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/CodeGen/RegAlloc/PhyRegAlloc.cpp

@@ -44,6 +44,8 @@ namespace {
     TargetMachine &Target;
   public:
     inline RegisterAllocator(TargetMachine &T) : Target(T) {}
+
+    const char *getPassName() const { return "Register Allocation"; }
     
     bool runOnFunction(Function *F) {
       if (DEBUG_RA)