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/CBackend/CTargetMachine.h b/lib/Target/CBackend/CTargetMachine.h
index a851486..8b26245 100644
--- a/lib/Target/CBackend/CTargetMachine.h
+++ b/lib/Target/CBackend/CTargetMachine.h
@@ -28,7 +28,7 @@
   virtual bool WantsWholeFile() const { return true; }
   virtual bool addPassesToEmitWholeFile(PassManager &PM, raw_ostream &Out,
                                         CodeGenFileType FileType,
-                                        unsigned OptLevel);
+                                        CodeGenOpt::Level OptLevel);
 
   // This class always works, but must be requested explicitly on 
   // llc command line.