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

llvm-svn: 202953
diff --git a/llvm/lib/Transforms/Scalar/LoopInstSimplify.cpp b/llvm/lib/Transforms/Scalar/LoopInstSimplify.cpp
index bddaba5..dae2c6f 100644
--- a/llvm/lib/Transforms/Scalar/LoopInstSimplify.cpp
+++ b/llvm/lib/Transforms/Scalar/LoopInstSimplify.cpp
@@ -36,9 +36,9 @@
       initializeLoopInstSimplifyPass(*PassRegistry::getPassRegistry());
     }
 
-    bool runOnLoop(Loop*, LPPassManager&);
+    bool runOnLoop(Loop*, LPPassManager&) override;
 
-    virtual void getAnalysisUsage(AnalysisUsage &AU) const {
+    void getAnalysisUsage(AnalysisUsage &AU) const override {
       AU.setPreservesCFG();
       AU.addRequired<LoopInfo>();
       AU.addRequiredID(LoopSimplifyID);