Remove redundant virtual on overriden functions.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@222023 91177308-0d34-0410-b5e6-96231b3b80d8

include/llvm/CodeGen/ForwardControlFlowIntegrity.h

@@ -42,7 +42,7 @@ public:
   ForwardControlFlowIntegrity(JumpTable::JumpTableType JTT,
                               CFIntegrity CFIType,
                               bool CFIEnforcing, std::string CFIFuncName);
-  virtual ~ForwardControlFlowIntegrity() override;
+  ~ForwardControlFlowIntegrity() override;
 
   /// Runs the CFI pass on a given module. This works best if the module in
   /// question is the result of link-time optimization (see lib/LTO).

include/llvm/CodeGen/PBQPRAConstraint.h

@@ -61,7 +61,7 @@ public:
   }
 private:
   std::vector<std::unique_ptr<PBQPRAConstraint>> Constraints;
-  virtual void anchor() override;
+  void anchor() override;
 };
 
 }

lib/Analysis/CFLAliasAnalysis.cpp

@@ -157,8 +157,8 @@ struct FunctionHandle : public CallbackVH {
 
   virtual ~FunctionHandle() {}
 
-  virtual void deleted() override { removeSelfFromCache(); }
-  virtual void allUsesReplacedWith(Value *) override { removeSelfFromCache(); }
+  void deleted() override { removeSelfFromCache(); }
+  void allUsesReplacedWith(Value *) override { removeSelfFromCache(); }
 
 private:
   CFLAliasAnalysis *CFLAA;

lib/Transforms/Utils/SymbolRewriter.cpp

@@ -475,7 +475,7 @@ public:
   RewriteSymbols();
   RewriteSymbols(SymbolRewriter::RewriteDescriptorList &DL);
 
-  virtual bool runOnModule(Module &M) override;
+  bool runOnModule(Module &M) override;
 
 private:
   void loadAndParseMapFiles();