[C++11] Add 'override' keyword to virtual methods that override their base class.

llvm-svn: 203433
diff --git a/llvm/lib/Target/ARM/ARMSubtarget.h b/llvm/lib/Target/ARM/ARMSubtarget.h
index 1d80d1b..1472bd1 100644
--- a/llvm/lib/Target/ARM/ARMSubtarget.h
+++ b/llvm/lib/Target/ARM/ARMSubtarget.h
@@ -240,7 +240,7 @@
   void ParseSubtargetFeatures(StringRef CPU, StringRef FS);
 
   /// \brief Reset the features for the ARM target.
-  virtual void resetSubtargetFeatures(const MachineFunction *MF);
+  void resetSubtargetFeatures(const MachineFunction *MF) override;
 private:
   void initializeEnvironment();
   void resetSubtargetFeatures(StringRef CPU, StringRef FS);
@@ -384,7 +384,7 @@
   /// enablePostRAScheduler - True at 'More' optimization.
   bool enablePostRAScheduler(CodeGenOpt::Level OptLevel,
                              TargetSubtargetInfo::AntiDepBreakMode& Mode,
-                             RegClassVector& CriticalPathRCs) const;
+                             RegClassVector& CriticalPathRCs) const override;
 
   /// getInstrItins - Return the instruction itineraies based on subtarget
   /// selection.