Wrap MVT::ValueType in a struct to get type safety
and better control the abstraction.  Rename the type
to MVT.  To update out-of-tree patches, the main
thing to do is to rename MVT::ValueType to MVT, and
rewrite expressions like MVT::getSizeInBits(VT) in
the form VT.getSizeInBits().  Use VT.getSimpleVT()
to extract a MVT::SimpleValueType for use in switch
statements (you will get an assert failure if VT is
an extended value type - these shouldn't exist after
type legalization).
This results in a small speedup of codegen and no
new testsuite failures (x86-64 linux).


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52044 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/Mips/MipsISelLowering.h b/lib/Target/Mips/MipsISelLowering.h
index cda36ac..6f621b4 100644
--- a/lib/Target/Mips/MipsISelLowering.h
+++ b/lib/Target/Mips/MipsISelLowering.h
@@ -66,7 +66,7 @@
     virtual const char *getTargetNodeName(unsigned Opcode) const;
 
     /// getSetCCResultType - get the ISD::SETCC result ValueType
-    MVT::ValueType getSetCCResultType(const SDOperand &) const;
+    MVT getSetCCResultType(const SDOperand &) const;
 
   private:
     // Lower Operand helpers
@@ -93,11 +93,11 @@
 
     std::pair<unsigned, const TargetRegisterClass*> 
               getRegForInlineAsmConstraint(const std::string &Constraint,
-              MVT::ValueType VT) const;
+              MVT VT) const;
 
     std::vector<unsigned>
     getRegClassForInlineAsmConstraint(const std::string &Constraint,
-              MVT::ValueType VT) const;
+              MVT VT) const;
   };
 }