Add new optional getPassName() virtual function that a Pass can override
to make debugging output a lot nicer.

llvm-svn: 2395
diff --git a/llvm/lib/CodeGen/InstrSched/InstrScheduling.cpp b/llvm/lib/CodeGen/InstrSched/InstrScheduling.cpp
index 4c2a28c..b042279 100644
--- a/llvm/lib/CodeGen/InstrSched/InstrScheduling.cpp
+++ b/llvm/lib/CodeGen/InstrSched/InstrScheduling.cpp
@@ -1484,6 +1484,8 @@
     const TargetMachine ⌖
   public:
     inline InstructionSchedulingWithSSA(const TargetMachine &T) : target(T) {}
+
+    const char *getPassName() const { return "Instruction Scheduling"; }
   
     // getAnalysisUsage - We use LiveVarInfo...
     virtual void getAnalysisUsage(AnalysisUsage &AU) const {
diff --git a/llvm/lib/CodeGen/RegAlloc/PhyRegAlloc.cpp b/llvm/lib/CodeGen/RegAlloc/PhyRegAlloc.cpp
index 4ad98d9..b783255 100644
--- a/llvm/lib/CodeGen/RegAlloc/PhyRegAlloc.cpp
+++ b/llvm/lib/CodeGen/RegAlloc/PhyRegAlloc.cpp
@@ -44,6 +44,8 @@
     TargetMachine &Target;
   public:
     inline RegisterAllocator(TargetMachine &T) : Target(T) {}
+
+    const char *getPassName() const { return "Register Allocation"; }
     
     bool runOnFunction(Function *F) {
       if (DEBUG_RA)