Make -time-passes output prettier

llvm-svn: 24096
diff --git a/llvm/lib/Target/Alpha/AlphaISelPattern.cpp b/llvm/lib/Target/Alpha/AlphaISelPattern.cpp
index af9d29e..56db7f1 100644
--- a/llvm/lib/Target/Alpha/AlphaISelPattern.cpp
+++ b/llvm/lib/Target/Alpha/AlphaISelPattern.cpp
@@ -82,6 +82,10 @@
     AlphaLowering(TM)
   {}
 
+    virtual const char *getPassName() const {
+      return "Alpha Pattern Instruction Selection";
+    } 
+
   /// InstructionSelectBasicBlock - This callback is invoked by
   /// SelectionDAGISel when it has created a SelectionDAG for us to codegen.
   virtual void InstructionSelectBasicBlock(SelectionDAG &DAG) {