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

llvm-svn: 202953
diff --git a/llvm/lib/Transforms/InstCombine/InstructionCombining.cpp b/llvm/lib/Transforms/InstCombine/InstructionCombining.cpp
index f2e8063..600c963 100644
--- a/llvm/lib/Transforms/InstCombine/InstructionCombining.cpp
+++ b/llvm/lib/Transforms/InstCombine/InstructionCombining.cpp
@@ -2508,7 +2508,7 @@
 
   /// replaceAllUsesWith - override so that instruction replacement
   /// can be defined in terms of the instruction combiner framework.
-  virtual void replaceAllUsesWith(Instruction *I, Value *With) const {
+  void replaceAllUsesWith(Instruction *I, Value *With) const override {
     IC->ReplaceInstUsesWith(*I, With);
   }
 };