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

llvm-svn: 202953
diff --git a/llvm/lib/Transforms/Utils/InstructionNamer.cpp b/llvm/lib/Transforms/Utils/InstructionNamer.cpp
index a020bc7..da890a2 100644
--- a/llvm/lib/Transforms/Utils/InstructionNamer.cpp
+++ b/llvm/lib/Transforms/Utils/InstructionNamer.cpp
@@ -27,11 +27,11 @@
       initializeInstNamerPass(*PassRegistry::getPassRegistry());
     }
     
-    void getAnalysisUsage(AnalysisUsage &Info) const {
+    void getAnalysisUsage(AnalysisUsage &Info) const override {
       Info.setPreservesAll();
     }
 
-    bool runOnFunction(Function &F) {
+    bool runOnFunction(Function &F) override {
       for (Function::arg_iterator AI = F.arg_begin(), AE = F.arg_end();
            AI != AE; ++AI)
         if (!AI->hasName() && !AI->getType()->isVoidTy())