Instead of passing in an unsigned value for the optimization level, use an enum,
which better identifies what the optimization is doing. And is more flexible for
future uses.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@70440 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/Alpha/Alpha.h b/lib/Target/Alpha/Alpha.h
index 994edaa..853109a 100644
--- a/lib/Target/Alpha/Alpha.h
+++ b/lib/Target/Alpha/Alpha.h
@@ -15,18 +15,20 @@
 #ifndef TARGET_ALPHA_H
 #define TARGET_ALPHA_H
 
+#include "llvm/Target/TargetMachine.h"
+
 namespace llvm {
 
   class AlphaTargetMachine;
   class FunctionPass;
-  class TargetMachine;
   class MachineCodeEmitter;
   class raw_ostream;
 
   FunctionPass *createAlphaISelDag(AlphaTargetMachine &TM);
   FunctionPass *createAlphaCodePrinterPass(raw_ostream &OS,
                                            TargetMachine &TM,
-                                           unsigned OptLevel, bool Verbose);
+                                           CodeGenOpt::Level OptLevel,
+                                           bool Verbose);
   FunctionPass *createAlphaPatternInstructionSelector(TargetMachine &TM);
   FunctionPass *createAlphaCodeEmitterPass(AlphaTargetMachine &TM,
                                            MachineCodeEmitter &MCE);