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

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@202946 91177308-0d34-0410-b5e6-96231b3b80d8

11 files changed, 62 insertions, 61 deletions

diff --git a/include/llvm/IR/ValueMap.h b/include/llvm/IR/ValueMap.h
index 0a5ce76c8e..fddebe7c72 100644
--- a/include/llvm/IR/ValueMap.h
+++ b/include/llvm/IR/ValueMap.h
@@ -209,7 +209,7 @@ class ValueMapCallbackVH : public CallbackVH {
 public:
   KeyT Unwrap() const { return cast_or_null<KeySansPointerT>(getValPtr()); }
 
-  virtual void deleted() {
+  void deleted() override {
     // Make a copy that won't get changed even when *this is destroyed.
     ValueMapCallbackVH Copy(*this);
     sys::Mutex *M = Config::getMutex(Copy.Map->Data);
@@ -220,7 +220,7 @@ public:
     if (M)
       M->release();
   }
-  virtual void allUsesReplacedWith(Value *new_key) {
+  void allUsesReplacedWith(Value *new_key) override {
     assert(isa<KeySansPointerT>(new_key) &&
            "Invalid RAUW on key of ValueMap<>");
     // Make a copy that won't get changed even when *this is destroyed.
diff --git a/include/llvm/LineEditor/LineEditor.h b/include/llvm/LineEditor/LineEditor.h
index cde57b8a92..9335e75a56 100644
--- a/include/llvm/LineEditor/LineEditor.h
+++ b/include/llvm/LineEditor/LineEditor.h
@@ -120,7 +120,7 @@ private:
 
   struct ListCompleterConcept : CompleterConcept {
     ~ListCompleterConcept();
-    CompletionAction complete(StringRef Buffer, size_t Pos) const;
+    CompletionAction complete(StringRef Buffer, size_t Pos) const override;
     static std::string getCommonPrefix(const std::vector<Completion> &Comps);
     virtual std::vector<Completion> getCompletions(StringRef Buffer,
                                                    size_t Pos) const = 0;
@@ -129,7 +129,7 @@ private:
   template <typename T>
   struct CompleterModel : CompleterConcept {
     CompleterModel(T Value) : Value(Value) {}
-    CompletionAction complete(StringRef Buffer, size_t Pos) const {
+    CompletionAction complete(StringRef Buffer, size_t Pos) const override {
       return Value(Buffer, Pos);
     }
     T Value;
@@ -138,7 +138,8 @@ private:
   template <typename T>
   struct ListCompleterModel : ListCompleterConcept {
     ListCompleterModel(T Value) : Value(Value) {}
-    std::vector<Completion> getCompletions(StringRef Buffer, size_t Pos) const {
+    std::vector<Completion> getCompletions(StringRef Buffer,
+                                           size_t Pos) const override {
       return Value(Buffer, Pos);
     }
     T Value;
diff --git a/include/llvm/Object/ELFObjectFile.h b/include/llvm/Object/ELFObjectFile.h
index 3c87e529c0..e6752b3d90 100644
--- a/include/llvm/Object/ELFObjectFile.h
+++ b/include/llvm/Object/ELFObjectFile.h
@@ -67,7 +67,7 @@ protected:
                            SymbolRef::Type &Res) const override;
   error_code getSymbolSection(DataRefImpl Symb,
                               section_iterator &Res) const override;
-  error_code getSymbolValue(DataRefImpl Symb, uint64_t &Val) const;
+  error_code getSymbolValue(DataRefImpl Symb, uint64_t &Val) const override;
 
   error_code getLibraryNext(DataRefImpl Data,
                             LibraryRef &Result) const override;
@@ -77,19 +77,19 @@ protected:
   error_code getSectionName(DataRefImpl Sec, StringRef &Res) const override;
   error_code getSectionAddress(DataRefImpl Sec, uint64_t &Res) const override;
   error_code getSectionSize(DataRefImpl Sec, uint64_t &Res) const override;
-  error_code getSectionContents(DataRefImpl Sec, StringRef &Res) const;
+  error_code getSectionContents(DataRefImpl Sec, StringRef &Res) const override;
   error_code getSectionAlignment(DataRefImpl Sec, uint64_t &Res) const override;
   error_code isSectionText(DataRefImpl Sec, bool &Res) const override;
-  error_code isSectionData(DataRefImpl Sec, bool &Res) const;
+  error_code isSectionData(DataRefImpl Sec, bool &Res) const override;
   error_code isSectionBSS(DataRefImpl Sec, bool &Res) const override;
   error_code isSectionRequiredForExecution(DataRefImpl Sec,
                                            bool &Res) const override;
-  error_code isSectionVirtual(DataRefImpl Sec, bool &Res) const;
+  error_code isSectionVirtual(DataRefImpl Sec, bool &Res) const override;
   error_code isSectionZeroInit(DataRefImpl Sec, bool &Res) const override;
-  error_code isSectionReadOnlyData(DataRefImpl Sec, bool &Res) const;
+  error_code isSectionReadOnlyData(DataRefImpl Sec, bool &Res) const override;
   error_code sectionContainsSymbol(DataRefImpl Sec, DataRefImpl Symb,
                                    bool &Result) const override;
-  relocation_iterator section_rel_begin(DataRefImpl Sec) const;
+  relocation_iterator section_rel_begin(DataRefImpl Sec) const override;
   relocation_iterator section_rel_end(DataRefImpl Sec) const override;
   section_iterator getRelocatedSection(DataRefImpl Sec) const override;
 
@@ -98,7 +98,7 @@ protected:
                                   uint64_t &Res) const override;
   error_code getRelocationOffset(DataRefImpl Rel, uint64_t &Res) const override;
   symbol_iterator getRelocationSymbol(DataRefImpl Rel) const override;
-  error_code getRelocationType(DataRefImpl Rel, uint64_t &Res) const;
+  error_code getRelocationType(DataRefImpl Rel, uint64_t &Res) const override;
   error_code getRelocationTypeName(DataRefImpl Rel,
                                   SmallVectorImpl<char> &Result) const override;
   error_code getRelocationValueString(DataRefImpl Rel,
diff --git a/include/llvm/Object/ObjectFile.h b/include/llvm/Object/ObjectFile.h
index cb1c04688d..d39a9423e0 100644
--- a/include/llvm/Object/ObjectFile.h
+++ b/include/llvm/Object/ObjectFile.h
@@ -223,7 +223,7 @@ protected:
   // modified externally. It's UB otherwise.
   friend class SymbolRef;
   virtual error_code getSymbolName(DataRefImpl Symb, StringRef &Res) const = 0;
-  virtual error_code printSymbolName(raw_ostream &OS, DataRefImpl Symb) const;
+  error_code printSymbolName(raw_ostream &OS, DataRefImpl Symb) const override;
   virtual error_code getSymbolAddress(DataRefImpl Symb, uint64_t &Res) const = 0;
   virtual error_code getSymbolFileOffset(DataRefImpl Symb, uint64_t &Res)const=0;
   virtual error_code getSymbolAlignment(DataRefImpl Symb, uint32_t &Res) const;
diff --git a/include/llvm/Option/ArgList.h b/include/llvm/Option/ArgList.h
index 06ba679c2b..98ba6ec10c 100644
--- a/include/llvm/Option/ArgList.h
+++ b/include/llvm/Option/ArgList.h
@@ -307,11 +307,11 @@ public:
   InputArgList(const char* const *ArgBegin, const char* const *ArgEnd);
   ~InputArgList();
 
-  virtual const char *getArgString(unsigned Index) const {
+  const char *getArgString(unsigned Index) const override {
     return ArgStrings[Index];
   }
 
-  virtual unsigned getNumInputArgStrings() const {
+  unsigned getNumInputArgStrings() const override {
     return NumInputArgStrings;
   }
 
@@ -323,7 +323,7 @@ public:
   unsigned MakeIndex(StringRef String0) const;
   unsigned MakeIndex(StringRef String0, StringRef String1) const;
 
-  virtual const char *MakeArgString(StringRef Str) const;
+  const char *MakeArgString(StringRef Str) const override;
 
   /// @}
 };
@@ -341,11 +341,11 @@ public:
   DerivedArgList(const InputArgList &BaseArgs);
   ~DerivedArgList();
 
-  virtual const char *getArgString(unsigned Index) const {
+  const char *getArgString(unsigned Index) const override {
     return BaseArgs.getArgString(Index);
   }
 
-  virtual unsigned getNumInputArgStrings() const {
+  unsigned getNumInputArgStrings() const override {
     return BaseArgs.getNumInputArgStrings();
   }
 
@@ -362,7 +362,7 @@ public:
     SynthesizedArgs.push_back(A);
   }
 
-  virtual const char *MakeArgString(StringRef Str) const;
+  const char *MakeArgString(StringRef Str) const override;
 
   /// AddFlagArg - Construct a new FlagArg for the given option \p Id and
   /// append it to the argument list.
diff --git a/lib/Bitcode/Reader/BitcodeReader.h b/lib/Bitcode/Reader/BitcodeReader.h
index 56795e2367..daa16349b8 100644
--- a/lib/Bitcode/Reader/BitcodeReader.h
+++ b/lib/Bitcode/Reader/BitcodeReader.h
@@ -247,11 +247,11 @@ public:
   /// when the reader is destroyed.
   void setBufferOwned(bool Owned) { BufferOwned = Owned; }
 
-  virtual bool isMaterializable(const GlobalValue *GV) const;
-  virtual bool isDematerializable(const GlobalValue *GV) const;
-  virtual error_code Materialize(GlobalValue *GV);
-  virtual error_code MaterializeModule(Module *M);
-  virtual void Dematerialize(GlobalValue *GV);
+  bool isMaterializable(const GlobalValue *GV) const override;
+  bool isDematerializable(const GlobalValue *GV) const override;
+  error_code Materialize(GlobalValue *GV) override;
+  error_code MaterializeModule(Module *M) override;
+  void Dematerialize(GlobalValue *GV) override;
 
   /// @brief Main interface to parsing a bitcode buffer.
   /// @returns true if an error occurred.
diff --git a/lib/Bitcode/Writer/BitcodeWriterPass.cpp b/lib/Bitcode/Writer/BitcodeWriterPass.cpp
index 4757cacb4c..4167f6da50 100644
--- a/lib/Bitcode/Writer/BitcodeWriterPass.cpp
+++ b/lib/Bitcode/Writer/BitcodeWriterPass.cpp
@@ -31,9 +31,9 @@ namespace {
     explicit WriteBitcodePass(raw_ostream &o)
       : ModulePass(ID), OS(o) {}
 
-    const char *getPassName() const { return "Bitcode Writer"; }
+    const char *getPassName() const override { return "Bitcode Writer"; }
 
-    bool runOnModule(Module &M) {
+    bool runOnModule(Module &M) override {
       WriteBitcodeToFile(&M, OS);
       return false;
     }
diff --git a/lib/DebugInfo/DWARFContext.h b/lib/DebugInfo/DWARFContext.h
index 2a534de49d..823e98a6b3 100644
--- a/lib/DebugInfo/DWARFContext.h
+++ b/lib/DebugInfo/DWARFContext.h
@@ -71,7 +71,7 @@ public:
     return DICtx->getKind() == CK_DWARF;
   }
 
-  virtual void dump(raw_ostream &OS, DIDumpType DumpType = DIDT_All);
+  void dump(raw_ostream &OS, DIDumpType DumpType = DIDT_All) override;
 
   /// Get the number of compile units in this context.
   unsigned getNumCompileUnits() {
@@ -148,12 +148,12 @@ public:
   const DWARFDebugLine::LineTable *
   getLineTableForCompileUnit(DWARFCompileUnit *cu);
 
-  virtual DILineInfo getLineInfoForAddress(uint64_t Address,
-      DILineInfoSpecifier Specifier = DILineInfoSpecifier());
-  virtual DILineInfoTable getLineInfoForAddressRange(uint64_t Address,
-      uint64_t Size, DILineInfoSpecifier Specifier = DILineInfoSpecifier());
-  virtual DIInliningInfo getInliningInfoForAddress(uint64_t Address,
-      DILineInfoSpecifier Specifier = DILineInfoSpecifier());
+  DILineInfo getLineInfoForAddress(uint64_t Address,
+      DILineInfoSpecifier Specifier = DILineInfoSpecifier()) override;
+  DILineInfoTable getLineInfoForAddressRange(uint64_t Address, uint64_t Size,
+      DILineInfoSpecifier Specifier = DILineInfoSpecifier()) override;
+  DIInliningInfo getInliningInfoForAddress(uint64_t Address,
+      DILineInfoSpecifier Specifier = DILineInfoSpecifier()) override;
 
   virtual bool isLittleEndian() const = 0;
   virtual uint8_t getAddressSize() const = 0;
@@ -231,35 +231,35 @@ class DWARFContextInMemory : public DWARFContext {
 public:
   DWARFContextInMemory(object::ObjectFile *);
   ~DWARFContextInMemory();
-  virtual bool isLittleEndian() const { return IsLittleEndian; }
-  virtual uint8_t getAddressSize() const { return AddressSize; }
-  virtual const Section &getInfoSection() { return InfoSection; }
-  virtual const TypeSectionMap &getTypesSections() { return TypesSections; }
-  virtual StringRef getAbbrevSection() { return AbbrevSection; }
-  virtual const Section &getLocSection() { return LocSection; }
-  virtual StringRef getARangeSection() { return ARangeSection; }
-  virtual StringRef getDebugFrameSection() { return DebugFrameSection; }
-  virtual const Section &getLineSection() { return LineSection; }
-  virtual const Section &getLineDWOSection() { return LineDWOSection; }
-  virtual StringRef getStringSection() { return StringSection; }
-  virtual StringRef getRangeSection() { return RangeSection; }
-  virtual StringRef getPubNamesSection() { return PubNamesSection; }
-  virtual StringRef getPubTypesSection() { return PubTypesSection; }
-  virtual StringRef getGnuPubNamesSection() { return GnuPubNamesSection; }
-  virtual StringRef getGnuPubTypesSection() { return GnuPubTypesSection; }
+  bool isLittleEndian() const override { return IsLittleEndian; }
+  uint8_t getAddressSize() const override { return AddressSize; }
+  const Section &getInfoSection() override { return InfoSection; }
+  const TypeSectionMap &getTypesSections() override { return TypesSections; }
+  StringRef getAbbrevSection() override { return AbbrevSection; }
+  const Section &getLocSection() override { return LocSection; }
+  StringRef getARangeSection() override { return ARangeSection; }
+  StringRef getDebugFrameSection() override { return DebugFrameSection; }
+  const Section &getLineSection() override { return LineSection; }
+  const Section &getLineDWOSection() override { return LineDWOSection; }
+  StringRef getStringSection() override { return StringSection; }
+  StringRef getRangeSection() override { return RangeSection; }
+  StringRef getPubNamesSection() override { return PubNamesSection; }
+  StringRef getPubTypesSection() override { return PubTypesSection; }
+  StringRef getGnuPubNamesSection() override { return GnuPubNamesSection; }
+  StringRef getGnuPubTypesSection() override { return GnuPubTypesSection; }
 
   // Sections for DWARF5 split dwarf proposal.
-  virtual const Section &getInfoDWOSection() { return InfoDWOSection; }
-  virtual const TypeSectionMap &getTypesDWOSections() {
+  const Section &getInfoDWOSection() override { return InfoDWOSection; }
+  const TypeSectionMap &getTypesDWOSections() override {
     return TypesDWOSections;
   }
-  virtual StringRef getAbbrevDWOSection() { return AbbrevDWOSection; }
-  virtual StringRef getStringDWOSection() { return StringDWOSection; }
-  virtual StringRef getStringOffsetDWOSection() {
+  StringRef getAbbrevDWOSection() override { return AbbrevDWOSection; }
+  StringRef getStringDWOSection() override { return StringDWOSection; }
+  StringRef getStringOffsetDWOSection() override {
     return StringOffsetDWOSection;
   }
-  virtual StringRef getRangeDWOSection() { return RangeDWOSection; }
-  virtual StringRef getAddrSection() {
+  StringRef getRangeDWOSection() override { return RangeDWOSection; }
+  StringRef getAddrSection() override {
     return AddrSection;
   }
 };
diff --git a/lib/DebugInfo/DWARFDebugFrame.cpp b/lib/DebugInfo/DWARFDebugFrame.cpp
index d5f1f19658..b268f30015 100644
--- a/lib/DebugInfo/DWARFDebugFrame.cpp
+++ b/lib/DebugInfo/DWARFDebugFrame.cpp
@@ -214,7 +214,7 @@ public:
   ~CIE() {
   }
 
-  void dumpHeader(raw_ostream &OS) const {
+  void dumpHeader(raw_ostream &OS) const override {
     OS << format("%08x %08x %08x CIE",
                  (uint32_t)Offset, (uint32_t)Length, DW_CIE_ID)
        << "\n";
@@ -258,7 +258,7 @@ public:
   ~FDE() {
   }
 
-  void dumpHeader(raw_ostream &OS) const {
+  void dumpHeader(raw_ostream &OS) const override {
     OS << format("%08x %08x %08x FDE ",
                  (uint32_t)Offset, (uint32_t)Length, (int32_t)LinkedCIEOffset);
     OS << format("cie=%08x pc=%08x...%08x\n",
diff --git a/lib/DebugInfo/DWARFDebugLine.h b/lib/DebugInfo/DWARFDebugLine.h
index 88b1aee922..a336f49b29 100644
--- a/lib/DebugInfo/DWARFDebugLine.h
+++ b/lib/DebugInfo/DWARFDebugLine.h
@@ -231,7 +231,7 @@ public:
   struct DumpingState : public State {
     DumpingState(raw_ostream &OS) : OS(OS) {}
     virtual ~DumpingState();
-    virtual void finalize();
+    void finalize() override;
   private:
     raw_ostream &OS;
   };
diff --git a/lib/Linker/LinkModules.cpp b/lib/Linker/LinkModules.cpp
index 9160e2661b..e8f2b3bb6f 100644
--- a/lib/Linker/LinkModules.cpp
+++ b/lib/Linker/LinkModules.cpp
@@ -87,7 +87,7 @@ public:
 private:
   Type *getImpl(Type *T);
   /// remapType - Implement the ValueMapTypeRemapper interface.
-  Type *remapType(Type *SrcTy) {
+  Type *remapType(Type *SrcTy) override {
     return get(SrcTy);
   }
   
@@ -372,7 +372,7 @@ namespace {
       LazilyLinkFunctions(LazilyLinkFunctions) {
     }
 
-    virtual Value *materializeValueFor(Value *V);
+    Value *materializeValueFor(Value *V) override;
   };
 
   /// ModuleLinker - This is an implementation class for the LinkModules