Silence unused variable warning.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@83151 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/include/llvm/CodeGen/MachineModuleInfo.h b/include/llvm/CodeGen/MachineModuleInfo.h
index 7cea0b7..6707ab1 100644
--- a/include/llvm/CodeGen/MachineModuleInfo.h
+++ b/include/llvm/CodeGen/MachineModuleInfo.h
@@ -153,7 +153,7 @@
 
   /// BeginFunction - Begin gathering function meta information.
   ///
-  void BeginFunction(MachineFunction *MF) {}
+  void BeginFunction(MachineFunction *) {}
   
   /// EndFunction - Discard function meta information.
   ///