remove MachineOpCode typedef.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45679 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/X86/X86InstrInfo.h b/lib/Target/X86/X86InstrInfo.h
index ccee43d..c0aefb4 100644
--- a/lib/Target/X86/X86InstrInfo.h
+++ b/lib/Target/X86/X86InstrInfo.h
@@ -367,7 +367,7 @@
   unsigned char getBaseOpcodeFor(const TargetInstrDescriptor *TID) const {
     return TID->TSFlags >> X86II::OpcodeShift;
   }
-  unsigned char getBaseOpcodeFor(MachineOpCode Opcode) const {
+  unsigned char getBaseOpcodeFor(unsigned Opcode) const {
     return getBaseOpcodeFor(&get(Opcode));
   }