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/Mips/MipsTargetMachine.h b/lib/Target/Mips/MipsTargetMachine.h
index b5dc058..a9e1df2 100644
--- a/lib/Target/Mips/MipsTargetMachine.h
+++ b/lib/Target/Mips/MipsTargetMachine.h
@@ -57,9 +57,12 @@
     static unsigned getModuleMatchQuality(const Module &M);
 
     // Pass Pipeline Configuration
-    virtual bool addInstSelector(PassManagerBase &PM, unsigned OptLevel);
-    virtual bool addPreEmitPass(PassManagerBase &PM, unsigned OptLevel);
-    virtual bool addAssemblyEmitter(PassManagerBase &PM, unsigned OptLevel,
+    virtual bool addInstSelector(PassManagerBase &PM,
+                                 CodeGenOpt::Level OptLevel);
+    virtual bool addPreEmitPass(PassManagerBase &PM,
+                                CodeGenOpt::Level OptLevel);
+    virtual bool addAssemblyEmitter(PassManagerBase &PM,
+                                    CodeGenOpt::Level OptLevel,
                                     bool Verbose, raw_ostream &Out);
   };