[C++11] Add 'override' keyword to IR library.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@202939 91177308-0d34-0410-b5e6-96231b3b80d8

8 files changed, 59 insertions, 56 deletions

diff --git a/lib/IR/AttributeImpl.h b/lib/IR/AttributeImpl.h
index ea954ac203..9f3fd3e606 100644
--- a/lib/IR/AttributeImpl.h
+++ b/lib/IR/AttributeImpl.h
@@ -109,7 +109,7 @@ public:
 };
 
 class AlignAttributeImpl : public EnumAttributeImpl {
-  virtual void anchor();
+  void anchor() override;
   unsigned Align;
 
 public:
diff --git a/lib/IR/ConstantsContext.h b/lib/IR/ConstantsContext.h
index 64f835b005..59b9d4d3c5 100644
--- a/lib/IR/ConstantsContext.h
+++ b/lib/IR/ConstantsContext.h
@@ -32,7 +32,7 @@ struct ConstantTraits;
 /// UnaryConstantExpr - This class is private to Constants.cpp, and is used
 /// behind the scenes to implement unary constant exprs.
 class UnaryConstantExpr : public ConstantExpr {
-  virtual void anchor();
+  void anchor() override;
   void *operator new(size_t, unsigned) LLVM_DELETED_FUNCTION;
 public:
   // allocate space for exactly one operand
@@ -49,7 +49,7 @@ public:
 /// BinaryConstantExpr - This class is private to Constants.cpp, and is used
 /// behind the scenes to implement binary constant exprs.
 class BinaryConstantExpr : public ConstantExpr {
-  virtual void anchor();
+  void anchor() override;
   void *operator new(size_t, unsigned) LLVM_DELETED_FUNCTION;
 public:
   // allocate space for exactly two operands
@@ -70,7 +70,7 @@ public:
 /// SelectConstantExpr - This class is private to Constants.cpp, and is used
 /// behind the scenes to implement select constant exprs.
 class SelectConstantExpr : public ConstantExpr {
-  virtual void anchor();
+  void anchor() override;
   void *operator new(size_t, unsigned) LLVM_DELETED_FUNCTION;
 public:
   // allocate space for exactly three operands
@@ -91,7 +91,7 @@ public:
 /// Constants.cpp, and is used behind the scenes to implement
 /// extractelement constant exprs.
 class ExtractElementConstantExpr : public ConstantExpr {
-  virtual void anchor();
+  void anchor() override;
   void *operator new(size_t, unsigned) LLVM_DELETED_FUNCTION;
 public:
   // allocate space for exactly two operands
@@ -112,7 +112,7 @@ public:
 /// Constants.cpp, and is used behind the scenes to implement
 /// insertelement constant exprs.
 class InsertElementConstantExpr : public ConstantExpr {
-  virtual void anchor();
+  void anchor() override;
   void *operator new(size_t, unsigned) LLVM_DELETED_FUNCTION;
 public:
   // allocate space for exactly three operands
@@ -134,7 +134,7 @@ public:
 /// Constants.cpp, and is used behind the scenes to implement
 /// shufflevector constant exprs.
 class ShuffleVectorConstantExpr : public ConstantExpr {
-  virtual void anchor();
+  void anchor() override;
   void *operator new(size_t, unsigned) LLVM_DELETED_FUNCTION;
 public:
   // allocate space for exactly three operands
@@ -159,7 +159,7 @@ public:
 /// Constants.cpp, and is used behind the scenes to implement
 /// extractvalue constant exprs.
 class ExtractValueConstantExpr : public ConstantExpr {
-  virtual void anchor();
+  void anchor() override;
   void *operator new(size_t, unsigned) LLVM_DELETED_FUNCTION;
 public:
   // allocate space for exactly one operand
@@ -185,7 +185,7 @@ public:
 /// Constants.cpp, and is used behind the scenes to implement
 /// insertvalue constant exprs.
 class InsertValueConstantExpr : public ConstantExpr {
-  virtual void anchor();
+  void anchor() override;
   void *operator new(size_t, unsigned) LLVM_DELETED_FUNCTION;
 public:
   // allocate space for exactly one operand
@@ -212,7 +212,7 @@ public:
 /// GetElementPtrConstantExpr - This class is private to Constants.cpp, and is
 /// used behind the scenes to implement getelementpr constant exprs.
 class GetElementPtrConstantExpr : public ConstantExpr {
-  virtual void anchor();
+  void anchor() override;
   GetElementPtrConstantExpr(Constant *C, ArrayRef<Constant*> IdxList,
                             Type *DestTy);
 public:
@@ -233,7 +233,7 @@ public:
 // behind the scenes to implement ICmp and FCmp constant expressions. This is
 // needed in order to store the predicate value for these instructions.
 class CompareConstantExpr : public ConstantExpr {
-  virtual void anchor();
+  void anchor() override;
   void *operator new(size_t, unsigned) LLVM_DELETED_FUNCTION;
 public:
   // allocate space for exactly two operands
diff --git a/lib/IR/IRPrintingPasses.cpp b/lib/IR/IRPrintingPasses.cpp
index 13336ba55b..099c27cfa5 100644
--- a/lib/IR/IRPrintingPasses.cpp
+++ b/lib/IR/IRPrintingPasses.cpp
@@ -49,12 +49,12 @@ public:
   PrintModulePassWrapper(raw_ostream &OS, const std::string &Banner)
       : ModulePass(ID), P(OS, Banner) {}
 
-  bool runOnModule(Module &M) {
+  bool runOnModule(Module &M) override {
     P.run(&M);
     return false;
   }
 
-  virtual void getAnalysisUsage(AnalysisUsage &AU) const {
+  void getAnalysisUsage(AnalysisUsage &AU) const override {
     AU.setPreservesAll();
   }
 };
@@ -69,12 +69,12 @@ public:
       : FunctionPass(ID), P(OS, Banner) {}
 
   // This pass just prints a banner followed by the function as it's processed.
-  bool runOnFunction(Function &F) {
+  bool runOnFunction(Function &F) override {
     P.run(&F);
     return false;
   }
 
-  virtual void getAnalysisUsage(AnalysisUsage &AU) const {
+  void getAnalysisUsage(AnalysisUsage &AU) const override {
     AU.setPreservesAll();
   }
 };
@@ -89,12 +89,12 @@ public:
   PrintBasicBlockPass(raw_ostream &Out, const std::string &Banner)
       : BasicBlockPass(ID), Out(Out), Banner(Banner) {}
 
-  bool runOnBasicBlock(BasicBlock &BB) {
+  bool runOnBasicBlock(BasicBlock &BB) override {
     Out << Banner << BB;
     return false;
   }
 
-  virtual void getAnalysisUsage(AnalysisUsage &AU) const {
+  void getAnalysisUsage(AnalysisUsage &AU) const override{
     AU.setPreservesAll();
   }
 };
diff --git a/lib/IR/LLVMContextImpl.h b/lib/IR/LLVMContextImpl.h
index 7a3cdb9e9d..dc77d291f4 100644
--- a/lib/IR/LLVMContextImpl.h
+++ b/lib/IR/LLVMContextImpl.h
@@ -225,9 +225,9 @@ public:
   MDNode *get() const {
     return cast_or_null<MDNode>(getValPtr());
   }
-  
-  virtual void deleted();
-  virtual void allUsesReplacedWith(Value *VNew);
+
+  void deleted() override;
+  void allUsesReplacedWith(Value *VNew) override;
 };
   
 class LLVMContextImpl {
diff --git a/lib/IR/LegacyPassManager.cpp b/lib/IR/LegacyPassManager.cpp
index e384e08457..7c5cc6893b 100644
--- a/lib/IR/LegacyPassManager.cpp
+++ b/lib/IR/LegacyPassManager.cpp
@@ -164,27 +164,27 @@ public:
 
   /// Execute all of the passes scheduled for execution.  Keep track of
   /// whether any of the passes modifies the function, and if so, return true.
-  bool runOnFunction(Function &F);
+  bool runOnFunction(Function &F) override;
 
   /// Pass Manager itself does not invalidate any analysis info.
-  void getAnalysisUsage(AnalysisUsage &Info) const {
+  void getAnalysisUsage(AnalysisUsage &Info) const override {
     Info.setPreservesAll();
   }
 
-  bool doInitialization(Module &M);
+  bool doInitialization(Module &M) override;
   bool doInitialization(Function &F);
-  bool doFinalization(Module &M);
+  bool doFinalization(Module &M) override;
   bool doFinalization(Function &F);
 
-  virtual PMDataManager *getAsPMDataManager() { return this; }
-  virtual Pass *getAsPass() { return this; }
+  PMDataManager *getAsPMDataManager() override { return this; }
+  Pass *getAsPass() override { return this; }
 
-  virtual const char *getPassName() const {
+  const char *getPassName() const override {
     return "BasicBlock Pass Manager";
   }
 
   // Print passes managed by this manager
-  void dumpPassStructure(unsigned Offset) {
+  void dumpPassStructure(unsigned Offset) override {
     dbgs().indent(Offset*2) << "BasicBlockPass Manager\n";
     for (unsigned Index = 0; Index < getNumContainedPasses(); ++Index) {
       BasicBlockPass *BP = getContainedPass(Index);
@@ -199,7 +199,7 @@ public:
     return BP;
   }
 
-  virtual PassManagerType getPassManagerType() const {
+  PassManagerType getPassManagerType() const override {
     return PMT_BasicBlockPassManager;
   }
 };
@@ -234,7 +234,8 @@ public:
   }
 
   /// createPrinterPass - Get a function printer pass.
-  Pass *createPrinterPass(raw_ostream &O, const std::string &Banner) const {
+  Pass *createPrinterPass(raw_ostream &O,
+                          const std::string &Banner) const override {
     return createPrintFunctionPass(O, Banner);
   }
 
@@ -248,21 +249,21 @@ public:
 
   /// doInitialization - Run all of the initializers for the function passes.
   ///
-  bool doInitialization(Module &M);
+  bool doInitialization(Module &M) override;
 
   /// doFinalization - Run all of the finalizers for the function passes.
   ///
-  bool doFinalization(Module &M);
+  bool doFinalization(Module &M) override;
 
 
-  virtual PMDataManager *getAsPMDataManager() { return this; }
-  virtual Pass *getAsPass() { return this; }
-  virtual PassManagerType getTopLevelPassManagerType() {
+  PMDataManager *getAsPMDataManager() override { return this; }
+  Pass *getAsPass() override { return this; }
+  PassManagerType getTopLevelPassManagerType() override {
     return PMT_FunctionPassManager;
   }
 
   /// Pass Manager itself does not invalidate any analysis info.
-  void getAnalysisUsage(AnalysisUsage &Info) const {
+  void getAnalysisUsage(AnalysisUsage &Info) const override {
     Info.setPreservesAll();
   }
 
@@ -303,7 +304,8 @@ public:
   }
 
   /// createPrinterPass - Get a module printer pass.
-  Pass *createPrinterPass(raw_ostream &O, const std::string &Banner) const {
+  Pass *createPrinterPass(raw_ostream &O,
+                          const std::string &Banner) const override {
     return createPrintModulePass(O, Banner);
   }
 
@@ -323,29 +325,29 @@ public:
   bool doFinalization();
 
   /// Pass Manager itself does not invalidate any analysis info.
-  void getAnalysisUsage(AnalysisUsage &Info) const {
+  void getAnalysisUsage(AnalysisUsage &Info) const override {
     Info.setPreservesAll();
   }
 
   /// Add RequiredPass into list of lower level passes required by pass P.
   /// RequiredPass is run on the fly by Pass Manager when P requests it
   /// through getAnalysis interface.
-  virtual void addLowerLevelRequiredPass(Pass *P, Pass *RequiredPass);
+  void addLowerLevelRequiredPass(Pass *P, Pass *RequiredPass) override;
 
   /// Return function pass corresponding to PassInfo PI, that is
   /// required by module pass MP. Instantiate analysis pass, by using
   /// its runOnFunction() for function F.
-  virtual Pass* getOnTheFlyPass(Pass *MP, AnalysisID PI, Function &F);
+  Pass* getOnTheFlyPass(Pass *MP, AnalysisID PI, Function &F) override;
 
-  virtual const char *getPassName() const {
+  const char *getPassName() const override {
     return "Module Pass Manager";
   }
 
-  virtual PMDataManager *getAsPMDataManager() { return this; }
-  virtual Pass *getAsPass() { return this; }
+  PMDataManager *getAsPMDataManager() override { return this; }
+  Pass *getAsPass() override { return this; }
 
   // Print passes managed by this manager
-  void dumpPassStructure(unsigned Offset) {
+  void dumpPassStructure(unsigned Offset) override {
     dbgs().indent(Offset*2) << "ModulePass Manager\n";
     for (unsigned Index = 0; Index < getNumContainedPasses(); ++Index) {
       ModulePass *MP = getContainedPass(Index);
@@ -363,7 +365,7 @@ public:
     return static_cast<ModulePass *>(PassVector[N]);
   }
 
-  virtual PassManagerType getPassManagerType() const {
+  PassManagerType getPassManagerType() const override {
     return PMT_ModulePassManager;
   }
 
@@ -403,7 +405,8 @@ public:
   }
 
   /// createPrinterPass - Get a module printer pass.
-  Pass *createPrinterPass(raw_ostream &O, const std::string &Banner) const {
+  Pass *createPrinterPass(raw_ostream &O,
+                          const std::string &Banner) const override {
     return createPrintModulePass(O, Banner);
   }
 
@@ -423,13 +426,13 @@ public:
   bool doFinalization();
 
   /// Pass Manager itself does not invalidate any analysis info.
-  void getAnalysisUsage(AnalysisUsage &Info) const {
+  void getAnalysisUsage(AnalysisUsage &Info) const override {
     Info.setPreservesAll();
   }
 
-  virtual PMDataManager *getAsPMDataManager() { return this; }
-  virtual Pass *getAsPass() { return this; }
-  virtual PassManagerType getTopLevelPassManagerType() {
+  PMDataManager *getAsPMDataManager() override { return this; }
+  Pass *getAsPass() override { return this; }
+  PassManagerType getTopLevelPassManagerType() override {
     return PMT_ModulePassManager;
   }
 
diff --git a/lib/IR/Metadata.cpp b/lib/IR/Metadata.cpp
index f8a1776599..c6107f5d80 100644
--- a/lib/IR/Metadata.cpp
+++ b/lib/IR/Metadata.cpp
@@ -78,8 +78,8 @@ public:
   /// the list.
   void setAsFirstOperand(unsigned V) { this->setValPtrInt(V); }
 
-  virtual void deleted();
-  virtual void allUsesReplacedWith(Value *NV);
+  void deleted() override;
+  void allUsesReplacedWith(Value *NV) override;
 };
 } // end namespace llvm.
 
diff --git a/lib/IR/Pass.cpp b/lib/IR/Pass.cpp
index 06a5e9e378..e16c5b7dcb 100644
--- a/lib/IR/Pass.cpp
+++ b/lib/IR/Pass.cpp
@@ -252,7 +252,7 @@ namespace {
     VectorType &CFGOnlyList;
     GetCFGOnlyPasses(VectorType &L) : CFGOnlyList(L) {}
 
-    void passEnumerate(const PassInfo *P) {
+    void passEnumerate(const PassInfo *P) override {
       if (P->isCFGOnlyPass())
         CFGOnlyList.push_back(P->getTypeInfo());
     }
diff --git a/lib/IR/Verifier.cpp b/lib/IR/Verifier.cpp
index 9b297756ce..03cfc42e33 100644
--- a/lib/IR/Verifier.cpp
+++ b/lib/IR/Verifier.cpp
@@ -2403,21 +2403,21 @@ struct VerifierLegacyPass : public FunctionPass {
     initializeVerifierLegacyPassPass(*PassRegistry::getPassRegistry());
   }
 
-  bool runOnFunction(Function &F) {
+  bool runOnFunction(Function &F) override {
     if (!V.verify(F) && FatalErrors)
       report_fatal_error("Broken function found, compilation aborted!");
 
     return false;
   }
 
-  bool doFinalization(Module &M) {
+  bool doFinalization(Module &M) override {
     if (!V.verify(M) && FatalErrors)
       report_fatal_error("Broken module found, compilation aborted!");
 
     return false;
   }
 
-  virtual void getAnalysisUsage(AnalysisUsage &AU) const {
+  void getAnalysisUsage(AnalysisUsage &AU) const override {
     AU.setPreservesAll();
   }
 };