make tblgen produce a function that returns the name for a physreg.
Nothing is using this info yet.

llvm-svn: 81707
diff --git a/llvm/lib/Target/Alpha/AsmPrinter/AlphaAsmPrinter.cpp b/llvm/lib/Target/Alpha/AsmPrinter/AlphaAsmPrinter.cpp
index f0b7fd7..74d398b 100644
--- a/llvm/lib/Target/Alpha/AsmPrinter/AlphaAsmPrinter.cpp
+++ b/llvm/lib/Target/Alpha/AsmPrinter/AlphaAsmPrinter.cpp
@@ -49,6 +49,8 @@
       return "Alpha Assembly Printer";
     }
     void printInstruction(const MachineInstr *MI);
+    const char *getRegisterName(unsigned RegNo) const;
+
     void printOp(const MachineOperand &MO, bool IsCallOp = false);
     void printOperand(const MachineInstr *MI, int opNum);
     void printBaseOffsetPair(const MachineInstr *MI, int i, bool brackets=true);