[llvm] Remove redundaunt virtual specifiers (NFC)

Identified with modernize-use-override.

llvm/include/llvm/CodeGen/GlobalISel/CSEInfo.h

@@ -39,14 +39,14 @@ public:
 class CSEConfigFull : public CSEConfigBase {
 public:
   virtual ~CSEConfigFull() = default;
-  virtual bool shouldCSEOpc(unsigned Opc) override;
+  bool shouldCSEOpc(unsigned Opc) override;
 };
 
 // Commonly used for O0 config.
 class CSEConfigConstantOnly : public CSEConfigBase {
 public:
   virtual ~CSEConfigConstantOnly() = default;
-  virtual bool shouldCSEOpc(unsigned Opc) override;
+  bool shouldCSEOpc(unsigned Opc) override;
 };
 
 // Returns the standard expected CSEConfig for the given optimization level.

llvm/include/llvm/CodeGen/GlobalISel/IRTranslator.h

@@ -590,7 +590,7 @@ private:
       assert(irt && "irt is null!");
     }
 
-    virtual void addSuccessorWithProb(
+    void addSuccessorWithProb(
         MachineBasicBlock *Src, MachineBasicBlock *Dst,
         BranchProbability Prob = BranchProbability::getUnknown()) override {
       IRT->addSuccessorWithProb(Src, Dst, Prob);

llvm/include/llvm/DebugInfo/PDB/IPDBEnumChildren.h

@@ -32,15 +32,12 @@ public:
 
 template <typename ChildType>
 class NullEnumerator : public IPDBEnumChildren<ChildType> {
-  virtual uint32_t getChildCount() const override { return 0; }
+  uint32_t getChildCount() const override { return 0; }
-  virtual std::unique_ptr<ChildType>
+  std::unique_ptr<ChildType> getChildAtIndex(uint32_t Index) const override {
-  getChildAtIndex(uint32_t Index) const override {
     return nullptr;
   }
-  virtual std::unique_ptr<ChildType> getNext() override {
+  std::unique_ptr<ChildType> getNext() override { return nullptr; }
-    return nullptr;
+  void reset() override {}
-  }
-  virtual void reset() override {}
 };
 
 } // end namespace pdb

llvm/include/llvm/Passes/StandardInstrumentations.h

@@ -381,11 +381,11 @@ public:
 
 protected:
   // Create a representation of the IR.
-  virtual void generateIRRepresentation(Any IR, StringRef PassID,
+  void generateIRRepresentation(Any IR, StringRef PassID,
                                 IRDataT<EmptyData> &Output) override;
 
   // Called when an interesting IR has changed.
-  virtual void handleAfter(StringRef PassID, std::string &Name,
+  void handleAfter(StringRef PassID, std::string &Name,
                    const IRDataT<EmptyData> &Before,
                    const IRDataT<EmptyData> &After, Any) override;
 

llvm/include/llvm/ProfileData/SampleProfReader.h

@@ -585,14 +585,14 @@ public:
       : SampleProfileReader(std::move(B), C, Format) {}
 
   /// Read and validate the file header.
-  virtual std::error_code readHeader() override;
+  std::error_code readHeader() override;
 
   /// Read sample profiles from the associated file.
   std::error_code readImpl() override;
 
   /// It includes all the names that have samples either in outline instance
   /// or inline instance.
-  virtual std::vector<StringRef> *getNameTable() override { return &NameTable; }
+  std::vector<StringRef> *getNameTable() override { return &NameTable; }
 
 protected:
   /// Read a numeric value of type T from the profile.
@@ -656,7 +656,7 @@ private:
 
 class SampleProfileReaderRawBinary : public SampleProfileReaderBinary {
 private:
-  virtual std::error_code verifySPMagic(uint64_t Magic) override;
+  std::error_code verifySPMagic(uint64_t Magic) override;
 
 public:
   SampleProfileReaderRawBinary(std::unique_ptr<MemoryBuffer> B, LLVMContext &C,
@@ -710,14 +710,14 @@ protected:
   std::error_code readCSNameTableSec();
   std::error_code readProfileSymbolList();
 
-  virtual std::error_code readHeader() override;
+  std::error_code readHeader() override;
-  virtual std::error_code verifySPMagic(uint64_t Magic) override = 0;
+  std::error_code verifySPMagic(uint64_t Magic) override = 0;
   virtual std::error_code readOneSection(const uint8_t *Start, uint64_t Size,
                                          const SecHdrTableEntry &Entry);
   // placeholder for subclasses to dispatch their own section readers.
   virtual std::error_code readCustomSection(const SecHdrTableEntry &Entry) = 0;
-  virtual ErrorOr<StringRef> readStringFromTable() override;
+  ErrorOr<StringRef> readStringFromTable() override;
-  virtual ErrorOr<SampleContext> readSampleContextFromTable() override;
+  ErrorOr<SampleContext> readSampleContextFromTable() override;
   ErrorOr<SampleContextFrames> readContextFromTable();
 
   std::unique_ptr<ProfileSymbolList> ProfSymList;
@@ -770,27 +770,26 @@ public:
   uint64_t getSectionSize(SecType Type);
   /// Get the total size of header and all sections.
   uint64_t getFileSize();
-  virtual bool dumpSectionInfo(raw_ostream &OS = dbgs()) override;
+  bool dumpSectionInfo(raw_ostream &OS = dbgs()) override;
 
   /// Collect functions with definitions in Module M. Return true if
   /// the reader has been given a module.
   bool collectFuncsFromModule() override;
 
   /// Return whether names in the profile are all MD5 numbers.
-  virtual bool useMD5() override { return MD5StringBuf.get(); }
+  bool useMD5() override { return MD5StringBuf.get(); }
 
-  virtual std::unique_ptr<ProfileSymbolList> getProfileSymbolList() override {
+  std::unique_ptr<ProfileSymbolList> getProfileSymbolList() override {
     return std::move(ProfSymList);
   };
 
-  virtual void setSkipFlatProf(bool Skip) override { SkipFlatProf = Skip; }
+  void setSkipFlatProf(bool Skip) override { SkipFlatProf = Skip; }
 };
 
 class SampleProfileReaderExtBinary : public SampleProfileReaderExtBinaryBase {
 private:
-  virtual std::error_code verifySPMagic(uint64_t Magic) override;
+  std::error_code verifySPMagic(uint64_t Magic) override;
-  virtual std::error_code
+  std::error_code readCustomSection(const SecHdrTableEntry &Entry) override {
-  readCustomSection(const SecHdrTableEntry &Entry) override {
     // Update the data reader pointer to the end of the section.
     Data = End;
     return sampleprof_error::success;
@@ -814,11 +813,11 @@ private:
   DenseMap<StringRef, uint64_t> FuncOffsetTable;
   /// The set containing the functions to use when compiling a module.
   DenseSet<StringRef> FuncsToUse;
-  virtual std::error_code verifySPMagic(uint64_t Magic) override;
+  std::error_code verifySPMagic(uint64_t Magic) override;
-  virtual std::error_code readNameTable() override;
+  std::error_code readNameTable() override;
   /// Read a string indirectly via the name table.
-  virtual ErrorOr<StringRef> readStringFromTable() override;
+  ErrorOr<StringRef> readStringFromTable() override;
-  virtual std::error_code readHeader() override;
+  std::error_code readHeader() override;
   std::error_code readFuncOffsetTable();
 
 public:
@@ -837,7 +836,7 @@ public:
   bool collectFuncsFromModule() override;
 
   /// Return whether names in the profile are all MD5 numbers.
-  virtual bool useMD5() override { return true; }
+  bool useMD5() override { return true; }
 };
 
 using InlineCallStack = SmallVector<FunctionSamples *, 10>;

llvm/include/llvm/ProfileData/SampleProfWriter.h

@@ -122,14 +122,13 @@ public:
   SampleProfileWriterBinary(std::unique_ptr<raw_ostream> &OS)
       : SampleProfileWriter(OS) {}
 
-  virtual std::error_code writeSample(const FunctionSamples &S) override;
+  std::error_code writeSample(const FunctionSamples &S) override;
 
 protected:
   virtual MapVector<StringRef, uint32_t> &getNameTable() { return NameTable; }
   virtual std::error_code writeMagicIdent(SampleProfileFormat Format);
   virtual std::error_code writeNameTable();
-  virtual std::error_code
+  std::error_code writeHeader(const SampleProfileMap &ProfileMap) override;
-  writeHeader(const SampleProfileMap &ProfileMap) override;
   std::error_code writeSummary();
   virtual std::error_code writeContextIdx(const SampleContext &Context);
   std::error_code writeNameIdx(StringRef FName);
@@ -187,14 +186,14 @@ const std::array<SmallVector<SecHdrTableEntry, 8>, NumOfLayout>
 class SampleProfileWriterExtBinaryBase : public SampleProfileWriterBinary {
   using SampleProfileWriterBinary::SampleProfileWriterBinary;
 public:
-  virtual std::error_code write(const SampleProfileMap &ProfileMap) override;
+  std::error_code write(const SampleProfileMap &ProfileMap) override;
 
-  virtual void setToCompressAllSections() override;
+  void setToCompressAllSections() override;
   void setToCompressSection(SecType Type);
-  virtual std::error_code writeSample(const FunctionSamples &S) override;
+  std::error_code writeSample(const FunctionSamples &S) override;
 
   // Set to use MD5 to represent string in NameTable.
-  virtual void setUseMD5() override {
+  void setUseMD5() override {
     UseMD5 = true;
     addSectionFlag(SecNameTable, SecNameTableFlags::SecFlagMD5Name);
     // MD5 will be stored as plain uint64_t instead of variable-length
@@ -205,15 +204,15 @@ public:
   // Set the profile to be partial. It means the profile is for
   // common/shared code. The common profile is usually merged from
   // profiles collected from running other targets.
-  virtual void setPartialProfile() override {
+  void setPartialProfile() override {
     addSectionFlag(SecProfSummary, SecProfSummaryFlags::SecFlagPartial);
   }
 
-  virtual void setProfileSymbolList(ProfileSymbolList *PSL) override {
+  void setProfileSymbolList(ProfileSymbolList *PSL) override {
     ProfSymList = PSL;
   };
 
-  virtual void resetSecLayout(SectionLayout SL) override {
+  void resetSecLayout(SectionLayout SL) override {
     verifySecLayout(SL);
 #ifndef NDEBUG
     // Make sure resetSecLayout is called before any flag setting.
@@ -242,7 +241,7 @@ protected:
     addSecFlag(SectionHdrLayout[SectionIdx], Flag);
   }
 
-  virtual void addContext(const SampleContext &Context) override;
+  void addContext(const SampleContext &Context) override;
 
   // placeholder for subclasses to dispatch their own section writers.
   virtual std::error_code writeCustomSection(SecType Type) = 0;
@@ -258,9 +257,8 @@ protected:
                                           const SampleProfileMap &ProfileMap);
 
   // Helper function to write name table.
-  virtual std::error_code writeNameTable() override;
+  std::error_code writeNameTable() override;
-  virtual std::error_code
+  std::error_code writeContextIdx(const SampleContext &Context) override;
-  writeContextIdx(const SampleContext &Context) override;
   std::error_code writeCSNameIdx(const SampleContext &Context);
   std::error_code writeCSNameTableSection();
 
@@ -288,8 +286,7 @@ protected:
 private:
   void allocSecHdrTable();
   std::error_code writeSecHdrTable();
-  virtual std::error_code
+  std::error_code writeHeader(const SampleProfileMap &ProfileMap) override;
-  writeHeader(const SampleProfileMap &ProfileMap) override;
   std::error_code compressAndOutput();
 
   // We will swap the raw_ostream held by LocalBufStream and that
@@ -334,14 +331,13 @@ private:
   std::error_code writeDefaultLayout(const SampleProfileMap &ProfileMap);
   std::error_code writeCtxSplitLayout(const SampleProfileMap &ProfileMap);
 
-  virtual std::error_code
+  std::error_code writeSections(const SampleProfileMap &ProfileMap) override;
-  writeSections(const SampleProfileMap &ProfileMap) override;
 
-  virtual std::error_code writeCustomSection(SecType Type) override {
+  std::error_code writeCustomSection(SecType Type) override {
     return sampleprof_error::success;
   };
 
-  virtual void verifySecLayout(SectionLayout SL) override {
+  void verifySecLayout(SectionLayout SL) override {
     assert((SL == DefaultLayout || SL == CtxSplitLayout) &&
            "Unsupported layout");
   }
@@ -381,8 +377,8 @@ class SampleProfileWriterCompactBinary : public SampleProfileWriterBinary {
   using SampleProfileWriterBinary::SampleProfileWriterBinary;
 
 public:
-  virtual std::error_code writeSample(const FunctionSamples &S) override;
+  std::error_code writeSample(const FunctionSamples &S) override;
-  virtual std::error_code write(const SampleProfileMap &ProfileMap) override;
+  std::error_code write(const SampleProfileMap &ProfileMap) override;
 
 protected:
   /// The table mapping from function name to the offset of its FunctionSample
@@ -391,9 +387,8 @@ protected:
   /// The offset of the slot to be filled with the offset of FuncOffsetTable
   /// towards profile start.
   uint64_t TableOffset;
-  virtual std::error_code writeNameTable() override;
+  std::error_code writeNameTable() override;
-  virtual std::error_code
+  std::error_code writeHeader(const SampleProfileMap &ProfileMap) override;
-  writeHeader(const SampleProfileMap &ProfileMap) override;
   std::error_code writeFuncOffsetTable();
 };
 

llvm/include/llvm/Support/BinaryByteStream.h

@@ -192,9 +192,7 @@ public:
   Error commit() override { return Error::success(); }
 
   /// Return the properties of this stream.
-  virtual BinaryStreamFlags getFlags() const override {
+  BinaryStreamFlags getFlags() const override { return BSF_Write | BSF_Append; }
-    return BSF_Write | BSF_Append;
-  }
 
   MutableArrayRef<uint8_t> data() { return Data; }
 };

llvm/include/llvm/Support/Error.h

@@ -1141,7 +1141,7 @@ private:
 class ECError : public ErrorInfo<ECError> {
   friend Error errorCodeToError(std::error_code);
 
-  virtual void anchor() override;
+  void anchor() override;
 
 public:
   void setErrorCode(std::error_code EC) { this->EC = EC; }

llvm/include/llvm/Support/raw_ostream.h

@@ -710,7 +710,7 @@ class buffer_ostream : public raw_svector_ostream {
   raw_ostream &OS;
   SmallVector<char, 0> Buffer;
 
-  virtual void anchor() override;
+  void anchor() override;
 
 public:
   buffer_ostream(raw_ostream &OS) : raw_svector_ostream(Buffer), OS(OS) {}
@@ -721,7 +721,7 @@ class buffer_unique_ostream : public raw_svector_ostream {
   std::unique_ptr<raw_ostream> OS;
   SmallVector<char, 0> Buffer;
 
-  virtual void anchor() override;
+  void anchor() override;
 
 public:
   buffer_unique_ostream(std::unique_ptr<raw_ostream> OS)

llvm/include/llvm/Transforms/IPO/Attributor.h

@@ -2837,7 +2837,7 @@ struct IRAttribute : public BaseType {
   IRAttribute(const IRPosition &IRP) : BaseType(IRP) {}
 
   /// See AbstractAttribute::initialize(...).
-  virtual void initialize(Attributor &A) override {
+  void initialize(Attributor &A) override {
     const IRPosition &IRP = this->getIRPosition();
     if (isa<UndefValue>(IRP.getAssociatedValue()) ||
         this->hasAttr(getAttrKind(), /* IgnoreSubsumingPositions */ false,

llvm/include/llvm/Transforms/Utils/MemoryOpRemark.h

@@ -102,9 +102,9 @@ struct AutoInitRemark : public MemoryOpRemark {
   static bool canHandle(const Instruction *I);
 
 protected:
-  virtual std::string explainSource(StringRef Type) const override;
+  std::string explainSource(StringRef Type) const override;
-  virtual StringRef remarkName(RemarkKind RK) const override;
+  StringRef remarkName(RemarkKind RK) const override;
-  virtual DiagnosticKind diagnosticKind() const override {
+  DiagnosticKind diagnosticKind() const override {
     return DK_OptimizationRemarkMissed;
   }
 };

llvm/lib/Analysis/InlineCost.cpp

@@ -185,7 +185,7 @@ private:
 
 public:
   InlineCostAnnotationWriter(InlineCostCallAnalyzer *ICCA) : ICCA(ICCA) {}
-  virtual void emitInstructionAnnot(const Instruction *I,
+  void emitInstructionAnnot(const Instruction *I,
                             formatted_raw_ostream &OS) override;
 };
 

llvm/lib/CodeGen/AsmPrinter/WasmException.h

@@ -28,7 +28,7 @@ public:
 
   void endModule() override;
   void beginFunction(const MachineFunction *MF) override {}
-  virtual void markFunctionEnd() override;
+  void markFunctionEnd() override;
   void endFunction(const MachineFunction *MF) override;
 
 protected:

llvm/lib/CodeGen/ProcessImplicitDefs.cpp

@@ -47,7 +47,7 @@ public:
 
   bool runOnMachineFunction(MachineFunction &MF) override;
 
-  virtual MachineFunctionProperties getRequiredProperties() const override {
+  MachineFunctionProperties getRequiredProperties() const override {
     return MachineFunctionProperties().set(
         MachineFunctionProperties::Property::IsSSA);
   }

llvm/lib/MC/XCOFFObjectWriter.cpp

@@ -253,7 +253,7 @@ class XCOFFObjectWriter : public MCObjectWriter {
 
   CsectGroup &getCsectGroup(const MCSectionXCOFF *MCSec);
 
-  virtual void reset() override;
+  void reset() override;
 
   void executePostLayoutBinding(MCAssembler &, const MCAsmLayout &) override;
 

llvm/lib/ObjCopy/ELF/ELFObject.h

@@ -115,13 +115,13 @@ public:
   Error visit(const OwnedDataSection &Sec) override;
   Error visit(const StringTableSection &Sec) override;
   Error visit(const DynamicRelocationSection &Sec) override;
-  virtual Error visit(const SymbolTableSection &Sec) override = 0;
+  Error visit(const SymbolTableSection &Sec) override = 0;
-  virtual Error visit(const RelocationSection &Sec) override = 0;
+  Error visit(const RelocationSection &Sec) override = 0;
-  virtual Error visit(const GnuDebugLinkSection &Sec) override = 0;
+  Error visit(const GnuDebugLinkSection &Sec) override = 0;
-  virtual Error visit(const GroupSection &Sec) override = 0;
+  Error visit(const GroupSection &Sec) override = 0;
-  virtual Error visit(const SectionIndexSection &Sec) override = 0;
+  Error visit(const SectionIndexSection &Sec) override = 0;
-  virtual Error visit(const CompressedSection &Sec) override = 0;
+  Error visit(const CompressedSection &Sec) override = 0;
-  virtual Error visit(const DecompressedSection &Sec) override = 0;
+  Error visit(const DecompressedSection &Sec) override = 0;
 
   explicit SectionWriter(WritableMemoryBuffer &Buf) : Out(Buf) {}
 };

llvm/lib/Target/AArch64/GISel/AArch64O0PreLegalizerCombiner.cpp

@@ -66,7 +66,7 @@ public:
       report_fatal_error("Invalid rule identifier");
   }
 
-  virtual bool combine(GISelChangeObserver &Observer, MachineInstr &MI,
+  bool combine(GISelChangeObserver &Observer, MachineInstr &MI,
                MachineIRBuilder &B) const override;
 };
 

llvm/lib/Target/AArch64/GISel/AArch64PostLegalizerCombiner.cpp

@@ -355,7 +355,7 @@ public:
       report_fatal_error("Invalid rule identifier");
   }
 
-  virtual bool combine(GISelChangeObserver &Observer, MachineInstr &MI,
+  bool combine(GISelChangeObserver &Observer, MachineInstr &MI,
                MachineIRBuilder &B) const override;
 };
 

llvm/lib/Target/AArch64/GISel/AArch64PostLegalizerLowering.cpp

@@ -997,7 +997,7 @@ public:
       report_fatal_error("Invalid rule identifier");
   }
 
-  virtual bool combine(GISelChangeObserver &Observer, MachineInstr &MI,
+  bool combine(GISelChangeObserver &Observer, MachineInstr &MI,
                MachineIRBuilder &B) const override;
 };
 

llvm/lib/Target/AArch64/GISel/AArch64PreLegalizerCombiner.cpp

@@ -370,7 +370,7 @@ public:
       report_fatal_error("Invalid rule identifier");
   }
 
-  virtual bool combine(GISelChangeObserver &Observer, MachineInstr &MI,
+  bool combine(GISelChangeObserver &Observer, MachineInstr &MI,
                MachineIRBuilder &B) const override;
 };
 

llvm/lib/Target/AMDGPU/AMDGPUMIRFormatter.h

@@ -29,7 +29,7 @@ public:
   virtual ~AMDGPUMIRFormatter() = default;
 
   /// Implement target specific parsing of target custom pseudo source value.
-  virtual bool
+  bool
   parseCustomPseudoSourceValue(StringRef Src, MachineFunction &MF,
                                PerFunctionMIParsingState &PFS,
                                const PseudoSourceValue *&PSV,

llvm/lib/Target/AMDGPU/AMDGPUPreLegalizerCombiner.cpp

@@ -191,7 +191,7 @@ public:
       report_fatal_error("Invalid rule identifier");
   }
 
-  virtual bool combine(GISelChangeObserver &Observer, MachineInstr &MI,
+  bool combine(GISelChangeObserver &Observer, MachineInstr &MI,
                MachineIRBuilder &B) const override;
 };
 

llvm/lib/Target/AMDGPU/R600ISelLowering.h

@@ -54,7 +54,7 @@ public:
       MachineMemOperand::Flags Flags = MachineMemOperand::MONone,
       bool *IsFast = nullptr) const override;
 
-  virtual bool canCombineTruncStore(EVT ValVT, EVT MemVT,
+  bool canCombineTruncStore(EVT ValVT, EVT MemVT,
                             bool LegalOperations) const override {
     // R600 has "custom" lowering for truncating stores despite not supporting
     // those instructions. If we allow that custom lowering in the DAG combiner

llvm/lib/Target/AMDGPU/SIISelLowering.h

@@ -487,9 +487,9 @@ public:
   AtomicExpansionKind
   shouldExpandAtomicCmpXchgInIR(AtomicCmpXchgInst *AI) const override;
 
-  virtual const TargetRegisterClass *
+  const TargetRegisterClass *getRegClassFor(MVT VT,
-  getRegClassFor(MVT VT, bool isDivergent) const override;
+                                            bool isDivergent) const override;
-  virtual bool requiresUniformRegister(MachineFunction &MF,
+  bool requiresUniformRegister(MachineFunction &MF,
                                const Value *V) const override;
   Align getPrefLoopAlignment(MachineLoop *ML) const override;
 

llvm/lib/Target/RISCV/RISCVInstrInfo.h

@@ -134,13 +134,12 @@ public:
   getSerializableDirectMachineOperandTargetFlags() const override;
 
   // Return true if the function can safely be outlined from.
-  virtual bool
+  bool isFunctionSafeToOutlineFrom(MachineFunction &MF,
-  isFunctionSafeToOutlineFrom(MachineFunction &MF,
                                    bool OutlineFromLinkOnceODRs) const override;
 
   // Return true if MBB is safe to outline from, and return any target-specific
   // information in Flags.
-  virtual bool isMBBSafeToOutlineFrom(MachineBasicBlock &MBB,
+  bool isMBBSafeToOutlineFrom(MachineBasicBlock &MBB,
                               unsigned &Flags) const override;
 
   bool shouldOutlineFromFunctionByDefault(MachineFunction &MF) const override;

llvm/lib/Target/RISCV/RISCVTargetMachine.h

@@ -44,8 +44,7 @@ public:
 
   TargetTransformInfo getTargetTransformInfo(const Function &F) const override;
 
-  virtual bool isNoopAddrSpaceCast(unsigned SrcAS,
+  bool isNoopAddrSpaceCast(unsigned SrcAS, unsigned DstAS) const override;
-                                   unsigned DstAS) const override;
 
   yaml::MachineFunctionInfo *createDefaultFuncInfoYAML() const override;
   yaml::MachineFunctionInfo *

llvm/lib/Target/X86/X86ISelLowering.h

@@ -1409,7 +1409,7 @@ namespace llvm {
     Register
     getExceptionSelectorRegister(const Constant *PersonalityFn) const override;
 
-    virtual bool needsFixedCatchObjects() const override;
+    bool needsFixedCatchObjects() const override;
 
     /// This method returns a target specific FastISel object,
     /// or null if the target does not support "fast" ISel.

llvm/lib/Transforms/IPO/AttributorAttributes.cpp

@@ -3328,7 +3328,7 @@ struct AANoAliasReturned final : AANoAliasImpl {
   }
 
   /// See AbstractAttribute::updateImpl(...).
-  virtual ChangeStatus updateImpl(Attributor &A) override {
+  ChangeStatus updateImpl(Attributor &A) override {
 
     auto CheckReturnValue = [&](Value &RV) -> bool {
       if (Constant *C = dyn_cast<Constant>(&RV))
@@ -3427,7 +3427,7 @@ struct AAIsDeadValueImpl : public AAIsDead {
   }
 
   /// See AbstractAttribute::getAsStr().
-  virtual const std::string getAsStr() const override {
+  const std::string getAsStr() const override {
     return isAssumedDead() ? "assumed-dead" : "assumed-live";
   }
 
@@ -4709,7 +4709,7 @@ struct AANoReturnImpl : public AANoReturn {
   }
 
   /// See AbstractAttribute::updateImpl(Attributor &A).
-  virtual ChangeStatus updateImpl(Attributor &A) override {
+  ChangeStatus updateImpl(Attributor &A) override {
     auto CheckForNoReturn = [](Instruction &) { return false; };
     bool UsedAssumedInformation = false;
     if (!A.checkForAllInstructions(CheckForNoReturn, *this,
@@ -6848,7 +6848,7 @@ struct AAPrivatizablePtrFloating : public AAPrivatizablePtrImpl {
       : AAPrivatizablePtrImpl(IRP, A) {}
 
   /// See AbstractAttribute::initialize(...).
-  virtual void initialize(Attributor &A) override {
+  void initialize(Attributor &A) override {
     // TODO: We can privatize more than arguments.
     indicatePessimisticFixpoint();
   }
@@ -7222,7 +7222,7 @@ struct AAMemoryBehaviorFunction final : public AAMemoryBehaviorImpl {
       : AAMemoryBehaviorImpl(IRP, A) {}
 
   /// See AbstractAttribute::updateImpl(Attributor &A).
-  virtual ChangeStatus updateImpl(Attributor &A) override;
+  ChangeStatus updateImpl(Attributor &A) override;
 
   /// See AbstractAttribute::manifest(...).
   ChangeStatus manifest(Attributor &A) override {
@@ -7934,7 +7934,7 @@ struct AAMemoryLocationFunction final : public AAMemoryLocationImpl {
       : AAMemoryLocationImpl(IRP, A) {}
 
   /// See AbstractAttribute::updateImpl(Attributor &A).
-  virtual ChangeStatus updateImpl(Attributor &A) override {
+  ChangeStatus updateImpl(Attributor &A) override {
 
     const auto &MemBehaviorAA =
         A.getAAFor<AAMemoryBehavior>(*this, getIRPosition(), DepClassTy::NONE);
@@ -9332,13 +9332,13 @@ struct AANoUndefCallSiteReturned final
 struct AACallEdgesImpl : public AACallEdges {
   AACallEdgesImpl(const IRPosition &IRP, Attributor &A) : AACallEdges(IRP, A) {}
 
-  virtual const SetVector<Function *> &getOptimisticEdges() const override {
+  const SetVector<Function *> &getOptimisticEdges() const override {
     return CalledFunctions;
   }
 
-  virtual bool hasUnknownCallee() const override { return HasUnknownCallee; }
+  bool hasUnknownCallee() const override { return HasUnknownCallee; }
 
-  virtual bool hasNonAsmUnknownCallee() const override {
+  bool hasNonAsmUnknownCallee() const override {
     return HasUnknownCalleeNonAsm;
   }
 

llvm/lib/Transforms/IPO/SCCP.cpp

@@ -148,7 +148,7 @@ struct FunctionSpecializationLegacyPass : public ModulePass {
     AU.addRequired<TargetTransformInfoWrapperPass>();
   }
 
-  virtual bool runOnModule(Module &M) override {
+  bool runOnModule(Module &M) override {
     if (skipModule(M))
       return false;
 

llvm/tools/dsymutil/DwarfLinkerForBinary.h

@@ -137,7 +137,7 @@ private:
               int64_t(Mapping.BinaryAddress) - *Mapping.ObjectAddress);
       }
     }
-    virtual ~AddressManager() override { clear(); }
+    ~AddressManager() override { clear(); }
 
     bool hasValidRelocs() override {
       return !ValidDebugInfoRelocs.empty() || !ValidDebugAddrRelocs.empty();

llvm/tools/dsymutil/Reproducer.h

@@ -53,7 +53,7 @@ public:
                      bool GenerateOnExit);
   ~ReproducerGenerate() override;
 
-  virtual void generate() override;
+  void generate() override;
 
 private:
   /// The path to the reproducer.

llvm/tools/llvm-mca/CodeRegionGenerator.cpp

@@ -48,7 +48,7 @@ public:
       : MCStreamer(Context), Regions(R) {}
 
   // We only want to intercept the emission of new instructions.
-  virtual void emitInstruction(const MCInst &Inst,
+  void emitInstruction(const MCInst &Inst,
                        const MCSubtargetInfo & /* unused */) override {
     Regions.addInstruction(Inst);
   }

llvm/tools/llvm-profgen/PerfReader.h

@@ -598,7 +598,7 @@ public:
       : PerfReaderBase(B, PerfTrace), PIDFilter(PID){};
 
   // Entry of the reader to parse multiple perf traces
-  virtual void parsePerfTraces() override;
+  void parsePerfTraces() override;
   // Generate perf script from perf data
   static PerfInputFile convertPerfDataToTrace(ProfiledBinary *Binary,
                                               PerfInputFile &File,
@@ -678,7 +678,7 @@ public:
                 Optional<uint32_t> PID)
       : PerfScriptReader(Binary, PerfTrace, PID){};
   // Parse the LBR only sample.
-  virtual void parseSample(TraceStream &TraceIt, uint64_t Count) override;
+  void parseSample(TraceStream &TraceIt, uint64_t Count) override;
 };
 
 /*

llvm/utils/TableGen/GlobalISel/GIMatchDagPredicate.h

@@ -96,7 +96,7 @@ public:
   void printDescription(raw_ostream &OS) const override;
 
 #if !defined(NDEBUG) || defined(LLVM_ENABLE_DUMP)
-  virtual LLVM_DUMP_METHOD void dump() const override { print(errs()); }
+  LLVM_DUMP_METHOD void dump() const override { print(errs()); }
 #endif // if !defined(NDEBUG) || defined(LLVM_ENABLE_DUMP)
 };
 
@@ -119,7 +119,7 @@ public:
   void printDescription(raw_ostream &OS) const override;
 
 #if !defined(NDEBUG) || defined(LLVM_ENABLE_DUMP)
-  virtual LLVM_DUMP_METHOD void dump() const override { print(errs()); }
+  LLVM_DUMP_METHOD void dump() const override { print(errs()); }
 #endif // if !defined(NDEBUG) || defined(LLVM_ENABLE_DUMP)
 };
 
@@ -134,7 +134,7 @@ public:
   void printDescription(raw_ostream &OS) const override;
 
 #if !defined(NDEBUG) || defined(LLVM_ENABLE_DUMP)
-  virtual LLVM_DUMP_METHOD void dump() const override { print(errs()); }
+  LLVM_DUMP_METHOD void dump() const override { print(errs()); }
 #endif // if !defined(NDEBUG) || defined(LLVM_ENABLE_DUMP)
 };