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

llvm-svn: 202945
diff --git a/llvm/lib/Analysis/Lint.cpp b/llvm/lib/Analysis/Lint.cpp
index 2897d77..9281148 100644
--- a/llvm/lib/Analysis/Lint.cpp
+++ b/llvm/lib/Analysis/Lint.cpp
@@ -113,15 +113,15 @@
       initializeLintPass(*PassRegistry::getPassRegistry());
     }
 
-    virtual bool runOnFunction(Function &F);
+    bool runOnFunction(Function &F) override;
 
-    virtual void getAnalysisUsage(AnalysisUsage &AU) const {
+    void getAnalysisUsage(AnalysisUsage &AU) const override {
       AU.setPreservesAll();
       AU.addRequired<AliasAnalysis>();
       AU.addRequired<TargetLibraryInfo>();
       AU.addRequired<DominatorTreeWrapperPass>();
     }
-    virtual void print(raw_ostream &O, const Module *M) const {}
+    void print(raw_ostream &O, const Module *M) const override {}
 
     void WriteValue(const Value *V) {
       if (!V) return;