ret 0; works, not much else

still lots of uglyness.
Maybe calls will come soon.
Fixing the return value of things will be necessary to make alpha work.

llvm-svn: 23832
diff --git a/llvm/lib/Target/Alpha/Alpha.h b/llvm/lib/Target/Alpha/Alpha.h
index 1b36906..8884af2 100644
--- a/llvm/lib/Target/Alpha/Alpha.h
+++ b/llvm/lib/Target/Alpha/Alpha.h
@@ -24,6 +24,7 @@
   class MachineCodeEmitter;
 
   FunctionPass *createAlphaSimpleInstructionSelector(TargetMachine &TM);
+  FunctionPass *createAlphaISelDag(TargetMachine &TM);
   FunctionPass *createAlphaCodePrinterPass(std::ostream &OS,
                                              TargetMachine &TM);
   FunctionPass *createAlphaPatternInstructionSelector(TargetMachine &TM);