diff --git a/include/llvm/CodeGen/MachineCodeEmitter.h b/include/llvm/CodeGen/MachineCodeEmitter.h
index 5bc1d1e266e..c8a08821385 100644
--- a/include/llvm/CodeGen/MachineCodeEmitter.h
+++ b/include/llvm/CodeGen/MachineCodeEmitter.h
@@ -52,12 +52,12 @@ public:
   /// specifies the total size required by the stub.  Stubs are not allowed to
   /// have constant pools, the can only use the other emit* methods.
   ///
-  virtual void startFunctionStub(const Function &F, unsigned StubSize) {}
+  virtual void startFunctionStub(unsigned StubSize) {}
 
   /// finishFunctionStub - This callback is invoked to terminate a function
   /// stub.
   ///
-  virtual void *finishFunctionStub(const Function &F) { return 0; }
+  virtual void *finishFunctionStub(const Function *F) { return 0; }
 
   /// emitByte - This callback is invoked when a byte needs to be written to the
   /// output stream.