clang  14.0.0git
Macros | Enumerations | Functions
SemaChecking.cpp File Reference
#include "clang/AST/APValue.h"
#include "clang/AST/ASTContext.h"
#include "clang/AST/Attr.h"
#include "clang/AST/AttrIterator.h"
#include "clang/AST/CharUnits.h"
#include "clang/AST/Decl.h"
#include "clang/AST/DeclBase.h"
#include "clang/AST/DeclCXX.h"
#include "clang/AST/DeclObjC.h"
#include "clang/AST/DeclarationName.h"
#include "clang/AST/EvaluatedExprVisitor.h"
#include "clang/AST/Expr.h"
#include "clang/AST/ExprCXX.h"
#include "clang/AST/ExprObjC.h"
#include "clang/AST/ExprOpenMP.h"
#include "clang/AST/FormatString.h"
#include "clang/AST/NSAPI.h"
#include "clang/AST/NonTrivialTypeVisitor.h"
#include "clang/AST/OperationKinds.h"
#include "clang/AST/RecordLayout.h"
#include "clang/AST/Stmt.h"
#include "clang/AST/TemplateBase.h"
#include "clang/AST/Type.h"
#include "clang/AST/TypeLoc.h"
#include "clang/AST/UnresolvedSet.h"
#include "clang/Basic/AddressSpaces.h"
#include "clang/Basic/CharInfo.h"
#include "clang/Basic/Diagnostic.h"
#include "clang/Basic/IdentifierTable.h"
#include "clang/Basic/LLVM.h"
#include "clang/Basic/LangOptions.h"
#include "clang/Basic/OpenCLOptions.h"
#include "clang/Basic/OperatorKinds.h"
#include "clang/Basic/PartialDiagnostic.h"
#include "clang/Basic/SourceLocation.h"
#include "clang/Basic/SourceManager.h"
#include "clang/Basic/Specifiers.h"
#include "clang/Basic/SyncScope.h"
#include "clang/Basic/TargetBuiltins.h"
#include "clang/Basic/TargetCXXABI.h"
#include "clang/Basic/TargetInfo.h"
#include "clang/Basic/TypeTraits.h"
#include "clang/Lex/Lexer.h"
#include "clang/Sema/Initialization.h"
#include "clang/Sema/Lookup.h"
#include "clang/Sema/Ownership.h"
#include "clang/Sema/Scope.h"
#include "clang/Sema/ScopeInfo.h"
#include "clang/Sema/Sema.h"
#include "clang/Sema/SemaInternal.h"
#include "llvm/ADT/APFloat.h"
#include "llvm/ADT/APInt.h"
#include "llvm/ADT/APSInt.h"
#include "llvm/ADT/ArrayRef.h"
#include "llvm/ADT/DenseMap.h"
#include "llvm/ADT/FoldingSet.h"
#include "llvm/ADT/None.h"
#include "llvm/ADT/Optional.h"
#include "llvm/ADT/STLExtras.h"
#include "llvm/ADT/SmallBitVector.h"
#include "llvm/ADT/SmallPtrSet.h"
#include "llvm/ADT/SmallString.h"
#include "llvm/ADT/SmallVector.h"
#include "llvm/ADT/StringRef.h"
#include "llvm/ADT/StringSet.h"
#include "llvm/ADT/StringSwitch.h"
#include "llvm/ADT/Triple.h"
#include "llvm/Support/AtomicOrdering.h"
#include "llvm/Support/Casting.h"
#include "llvm/Support/Compiler.h"
#include "llvm/Support/ConvertUTF.h"
#include "llvm/Support/ErrorHandling.h"
#include "llvm/Support/Format.h"
#include "llvm/Support/Locale.h"
#include "llvm/Support/MathExtras.h"
#include "llvm/Support/SaveAndRestore.h"
#include "llvm/Support/raw_ostream.h"
#include <algorithm>
#include <bitset>
#include <cassert>
#include <cctype>
#include <cstddef>
#include <cstdint>
#include <functional>
#include <limits>
#include <string>
#include <tuple>
#include <utility>
#include "clang/Basic/Builtins.def"
#include "clang/Basic/arm_sve_sema_rangechecks.inc"
#include "clang/Basic/arm_neon.inc"
#include "clang/Basic/arm_fp16.inc"
#include "clang/Basic/arm_mve_builtin_sema.inc"
#include "clang/Basic/arm_cde_builtin_sema.inc"
#include "clang/Basic/PPCTypes.def"
#include "clang/Basic/BuiltinsPPC.def"

Go to the source code of this file.

Macros

#define BUILTIN(ID, TYPE, ATTRS)
 
#define ATOMIC_BUILTIN(ID, TYPE, ATTRS)
 
#define GET_SVE_IMMEDIATE_CHECK
 
#define GET_NEON_OVERLOAD_CHECK
 
#define GET_NEON_IMMEDIATE_CHECK
 
#define PPC_VECTOR_TYPE(typeName, Id, size)   case size: Type = Context.Id##Ty; break;
 
#define CUSTOM_BUILTIN(Name, Intr, Types, Acc)
 
#define PPC_VECTOR_TYPE(Name, Id, Size)   || CoreType == Context.Id##Ty
 
#define BUILTIN_ROW(x)
 

Enumerations

enum  { TileRegLow = 0, TileRegHigh = 7 }
 
enum  AbsoluteValueKind { AVK_Integer, AVK_Floating, AVK_Complex }
 

Functions

static bool checkArgCount (Sema &S, CallExpr *call, unsigned desiredArgCount)
 Checks that a call expression's argument count is the desired number. More...
 
static bool SemaBuiltinAnnotation (Sema &S, CallExpr *TheCall)
 Check that the first argument to __builtin_annotation is an integer and the second argument is a non-wide string literal. More...
 
static bool SemaBuiltinMSVCAnnotation (Sema &S, CallExpr *TheCall)
 
static bool SemaBuiltinAddressof (Sema &S, CallExpr *TheCall)
 Check that the argument to __builtin_addressof is a glvalue, and set the result type to the corresponding pointer type. More...
 
static bool SemaBuiltinPreserveAI (Sema &S, CallExpr *TheCall)
 Check the number of arguments and set the result type to the argument type. More...
 
static bool SemaBuiltinAlignment (Sema &S, CallExpr *TheCall, unsigned ID)
 Check that the value argument for __builtin_is_aligned(value, alignment) and __builtin_aligned_{up,down}(value, alignment) is an integer or a pointer type (but not a function pointer) and that the alignment is a power-of-two. More...
 
static bool SemaBuiltinOverflow (Sema &S, CallExpr *TheCall, unsigned BuiltinID)
 
static bool SemaBuiltinCallWithStaticChain (Sema &S, CallExpr *BuiltinCall)
 
static bool SemaBuiltinSEHScopeCheck (Sema &SemaRef, CallExpr *TheCall, Scope::ScopeFlags NeededScopeFlags, unsigned DiagID)
 
static bool isBlockPointer (Expr *Arg)
 
static bool checkOpenCLBlockArgs (Sema &S, Expr *BlockArg)
 OpenCL C v2.0, s6.13.17.2 - Checks that the block parameters are all local void*, which is a requirement of device side enqueue. More...
 
static bool checkOpenCLSubgroupExt (Sema &S, CallExpr *Call)
 
static bool SemaOpenCLBuiltinNDRangeAndBlock (Sema &S, CallExpr *TheCall)
 
static bool SemaOpenCLBuiltinKernelWorkGroupSize (Sema &S, CallExpr *TheCall)
 OpenCL C v2.0, s6.13.17.6 - Check the argument to the get_kernel_work_group_size and get_kernel_preferred_work_group_size_multiple builtin functions. More...
 
static bool checkOpenCLEnqueueIntType (Sema &S, Expr *E, const QualType &IntType)
 Diagnose integer type and any valid implicit conversion to it. More...
 
static bool checkOpenCLEnqueueLocalSizeArgs (Sema &S, CallExpr *TheCall, unsigned Start, unsigned End)
 
static bool checkOpenCLEnqueueVariadicArgs (Sema &S, CallExpr *TheCall, Expr *BlockArg, unsigned NumNonVarArgs)
 OpenCL v2.0, s6.13.17.1 - Check that sizes are provided for all 'local void*' parameter of passed block. More...
 
static bool SemaOpenCLBuiltinEnqueueKernel (Sema &S, CallExpr *TheCall)
 OpenCL C v2.0, s6.13.17 - Enqueue kernel function contains four different overload formats specified in Table 6.13.17.1. More...
 
static OpenCLAccessAttr * getOpenCLArgAccess (const Decl *D)
 Returns OpenCL access qual. More...
 
static bool checkOpenCLPipeArg (Sema &S, CallExpr *Call)
 Returns true if pipe element type is different from the pointer. More...
 
static bool checkOpenCLPipePacketType (Sema &S, CallExpr *Call, unsigned Idx)
 Returns true if pipe element type is different from the pointer. More...
 
static bool SemaBuiltinRWPipe (Sema &S, CallExpr *Call)
 
static bool SemaBuiltinReserveRWPipe (Sema &S, CallExpr *Call)
 
static bool SemaBuiltinCommitRWPipe (Sema &S, CallExpr *Call)
 
static bool SemaBuiltinPipePackets (Sema &S, CallExpr *Call)
 
static bool SemaOpenCLBuiltinToAddr (Sema &S, unsigned BuiltinID, CallExpr *Call)
 
static ExprResult SemaBuiltinLaunder (Sema &S, CallExpr *TheCall)
 
static bool CheckBuiltinTargetSupport (Sema &S, unsigned BuiltinID, CallExpr *TheCall, ArrayRef< llvm::Triple::ArchType > SupportedArchs)
 
static void CheckNonNullArgument (Sema &S, const Expr *ArgExpr, SourceLocation CallSiteLoc)
 
static unsigned RFT (unsigned t, bool shift=false, bool ForceQuad=false)
 
static QualType getNeonEltType (NeonTypeFlags Flags, ASTContext &Context, bool IsPolyUnsigned, bool IsInt64Long)
 getNeonEltType - Return the QualType corresponding to the elements of the vector type specified by the NeonTypeFlags. More...
 
static bool isValidBPFPreserveFieldInfoArg (Expr *Arg)
 
static bool isEltOfVectorTy (ASTContext &Context, CallExpr *Call, Sema &S, QualType VectorTy, QualType EltTy)
 
static bool isValidBPFPreserveTypeInfoArg (Expr *Arg)
 
static bool isValidBPFPreserveEnumValueArg (Expr *Arg)
 
static QualType DecodePPCMMATypeFromStr (ASTContext &Context, const char *&Str, unsigned &Mask)
 DecodePPCMMATypeFromStr - This decodes one PPC MMA type descriptor from Str, advancing the pointer over the consumed characters. More...
 
static bool isPPC_64Builtin (unsigned BuiltinID)
 
static bool SemaFeatureCheck (Sema &S, CallExpr *TheCall, StringRef FeatureToCheck, unsigned DiagID, StringRef DiagArg="")
 
static bool SemaBuiltinCpuSupports (Sema &S, const TargetInfo &TI, CallExpr *TheCall)
 SemaBuiltinCpuSupports - Handle __builtin_cpu_supports(char *). More...
 
static bool SemaBuiltinCpuIs (Sema &S, const TargetInfo &TI, CallExpr *TheCall)
 SemaBuiltinCpuIs - Handle __builtin_cpu_is(char *). More...
 
static bool isX86_32Builtin (unsigned BuiltinID)
 
static bool CheckNonNullExpr (Sema &S, const Expr *Expr)
 Checks if a the given expression evaluates to null. More...
 
static void DiagnoseCStringFormatDirectiveInCFAPI (Sema &S, const NamedDecl *FDecl, Expr **Args, unsigned NumArgs)
 Diagnose use of s directive in an NSString which is being passed as formatting string to formatting method. More...
 
static bool isNonNullType (ASTContext &ctx, QualType type)
 Determine whether the given type has a non-null nullability annotation. More...
 
static void CheckNonNullArguments (Sema &S, const NamedDecl *FDecl, const FunctionProtoType *Proto, ArrayRef< const Expr * > Args, SourceLocation CallSiteLoc)
 
static bool isValidOrderingForOp (int64_t Ordering, AtomicExpr::AtomicOp Op)
 
static bool checkBuiltinArgument (Sema &S, CallExpr *E, unsigned ArgIndex)
 checkBuiltinArgument - Given a call to a builtin function, perform normal type-checking on the given argument, updating the call in place. More...
 
static bool checkVAStartABI (Sema &S, unsigned BuiltinID, Expr *Fn)
 Check that the user is calling the appropriate va_start builtin for the target and calling convention. More...
 
static bool checkVAStartIsInVariadicFunction (Sema &S, Expr *Fn, ParmVarDecl **LastParam=nullptr)
 
static bool IsShiftedByte (llvm::APSInt Value)
 
static void sumOffsets (llvm::APSInt &Offset, llvm::APSInt Addend, BinaryOperatorKind BinOpKind, bool AddendIsRight)
 
static void CheckFormatString (Sema &S, const FormatStringLiteral *FExpr, const Expr *OrigFormatExpr, ArrayRef< const Expr * > Args, bool HasVAListArg, unsigned format_idx, unsigned firstDataArg, Sema::FormatStringType Type, bool inFunctionCall, Sema::VariadicCallType CallType, llvm::SmallBitVector &CheckedVarArgs, UncoveredArgHandler &UncoveredArg, bool IgnoreStringsWithoutSpecifiers)
 
static StringLiteralCheckType checkFormatStringExpr (Sema &S, const Expr *E, ArrayRef< const Expr * > Args, bool HasVAListArg, unsigned format_idx, unsigned firstDataArg, Sema::FormatStringType Type, Sema::VariadicCallType CallType, bool InFunctionCall, llvm::SmallBitVector &CheckedVarArgs, UncoveredArgHandler &UncoveredArg, llvm::APSInt Offset, bool IgnoreStringsWithoutSpecifiers=false)
 
template<typename MemberKind >
static llvm::SmallPtrSet< MemberKind *, 1 > CXXRecordMembersNamed (StringRef Name, Sema &S, QualType Ty)
 
static bool requiresParensToAddCast (const Expr *E)
 
static std::pair< QualType, StringRef > shouldNotPrintDirectly (const ASTContext &Context, QualType IntendedTy, const Expr *E)
 
static bool isArithmeticArgumentPromotion (Sema &S, const ImplicitCastExpr *ICE)
 Return true if ICE is an implicit argument promotion of an arithmetic type. More...
 
static unsigned getLargerAbsoluteValueFunction (unsigned AbsFunction)
 
static QualType getAbsoluteValueArgumentType (ASTContext &Context, unsigned AbsType)
 
static unsigned getBestAbsFunction (ASTContext &Context, QualType ArgType, unsigned AbsFunctionKind)
 
static AbsoluteValueKind getAbsoluteValueKind (QualType T)
 
static unsigned changeAbsFunction (unsigned AbsKind, AbsoluteValueKind ValueKind)
 
static unsigned getAbsoluteValueFunctionKind (const FunctionDecl *FDecl)
 
static void emitReplacement (Sema &S, SourceLocation Loc, SourceRange Range, unsigned AbsKind, QualType ArgType)
 
template<std::size_t StrLen>
static bool IsStdFunction (const FunctionDecl *FDecl, const char(&Str)[StrLen])
 
static bool CheckMemorySizeofForComparison (Sema &S, const Expr *E, IdentifierInfo *FnName, SourceLocation FnLoc, SourceLocation RParenLoc)
 Takes the expression passed to the size_t parameter of functions such as memcmp, strncat, etc and warns if it's a comparison. More...
 
static const CXXRecordDeclgetContainedDynamicClass (QualType T, bool &IsContained)
 Determine whether the given type is or contains a dynamic class type (e.g., whether it has a vtable). More...
 
static const UnaryExprOrTypeTraitExprgetAsSizeOfExpr (const Expr *E)
 
static const ExprgetSizeOfExprArg (const Expr *E)
 If E is a sizeof expression, returns its argument expression, otherwise returns NULL. More...
 
static QualType getSizeOfArgType (const Expr *E)
 If E is a sizeof expression, returns its argument type. More...
 
static bool doesExprLikelyComputeSize (const Expr *SizeofExpr)
 Detect if SizeofExpr is likely to calculate the sizeof an object. More...
 
static bool isArgumentExpandedFromMacro (SourceManager &SM, SourceLocation CallLoc, SourceLocation ArgLoc)
 Check if the ArgLoc originated from a macro passed to the call at CallLoc. More...
 
static void CheckMemaccessSize (Sema &S, unsigned BId, const CallExpr *Call)
 Diagnose cases like 'memset(buf, sizeof(buf), 0)', which should have the last two arguments transposed. More...
 
static const ExprignoreLiteralAdditions (const Expr *Ex, ASTContext &Ctx)
 
static bool isConstantSizeArrayWithMoreThanOneElement (QualType Ty, ASTContext &Context)
 
static bool referToTheSameDecl (const Expr *E1, const Expr *E2)
 Check if two expressions refer to the same declaration. More...
 
static const ExprgetStrlenExprArg (const Expr *E)
 
static IntRange GetValueRange (ASTContext &C, llvm::APSInt &value, unsigned MaxWidth)
 
static IntRange GetValueRange (ASTContext &C, APValue &result, QualType Ty, unsigned MaxWidth)
 
static QualType GetExprType (const Expr *E)
 
static IntRange GetExprRange (ASTContext &C, const Expr *E, unsigned MaxWidth, bool InConstantContext, bool Approximate)
 Pseudo-evaluate the given integer expression, estimating the range of values it might take. More...
 
static IntRange GetExprRange (ASTContext &C, const Expr *E, bool InConstantContext, bool Approximate)
 
static bool IsSameFloatAfterCast (const llvm::APFloat &value, const llvm::fltSemantics &Src, const llvm::fltSemantics &Tgt)
 Checks whether the given value, which currently has the given source semantics, has the same value when coerced through the target semantics. More...
 
static bool IsSameFloatAfterCast (const APValue &value, const llvm::fltSemantics &Src, const llvm::fltSemantics &Tgt)
 Checks whether the given value, which currently has the given source semantics, has the same value when coerced through the target semantics. More...
 
static void AnalyzeImplicitConversions (Sema &S, Expr *OrigE, SourceLocation CC, bool IsListInit)
 AnalyzeImplicitConversions - Find and report any interesting implicit conversions in the given expression. More...
 
static bool IsEnumConstOrFromMacro (Sema &S, Expr *E)
 
static bool isKnownToHaveUnsignedValue (Expr *E)
 
static bool HasEnumType (Expr *E)
 
static int classifyConstantValue (Expr *Constant)
 
static bool CheckTautologicalComparison (Sema &S, BinaryOperator *E, Expr *Constant, Expr *Other, const llvm::APSInt &Value, bool RhsConstant)
 
static void AnalyzeImpConvsInComparison (Sema &S, BinaryOperator *E)
 Analyze the operands of the given comparison. More...
 
static void AnalyzeComparison (Sema &S, BinaryOperator *E)
 Implements -Wsign-compare. More...
 
static bool AnalyzeBitFieldAssignment (Sema &S, FieldDecl *Bitfield, Expr *Init, SourceLocation InitLoc)
 Analyzes an attempt to assign the given value to a bitfield. More...
 
static void AnalyzeAssignment (Sema &S, BinaryOperator *E)
 Analyze the given simple or compound assignment for warning-worthy operations. More...
 
static void DiagnoseImpCast (Sema &S, Expr *E, QualType SourceType, QualType T, SourceLocation CContext, unsigned diag, bool pruneControlFlow=false)
 Diagnose an implicit cast; purely a helper for CheckImplicitConversion. More...
 
static void DiagnoseImpCast (Sema &S, Expr *E, QualType T, SourceLocation CContext, unsigned diag, bool pruneControlFlow=false)
 Diagnose an implicit cast; purely a helper for CheckImplicitConversion. More...
 
static bool isObjCSignedCharBool (Sema &S, QualType Ty)
 
static void adornObjCBoolConversionDiagWithTernaryFixit (Sema &S, Expr *SourceExpr, const Sema::SemaDiagnosticBuilder &Builder)
 
static void DiagnoseFloatingImpCast (Sema &S, Expr *E, QualType T, SourceLocation CContext)
 Diagnose an implicit cast from a floating point value to an integer value. More...
 
static void AnalyzeCompoundAssignment (Sema &S, BinaryOperator *E)
 Analyze the given compound assignment for the possible losing of floating-point precision. More...
 
static std::string PrettyPrintInRange (const llvm::APSInt &Value, IntRange Range)
 
static bool IsImplicitBoolFloatConversion (Sema &S, Expr *Ex, bool ToBool)
 
static void CheckImplicitArgumentConversions (Sema &S, CallExpr *TheCall, SourceLocation CC)
 
static void DiagnoseNullConversion (Sema &S, Expr *E, QualType T, SourceLocation CC)
 
static void checkObjCArrayLiteral (Sema &S, QualType TargetType, ObjCArrayLiteral *ArrayLiteral)
 Check an Objective-C array literal being converted to the given target type. More...
 
static void checkObjCDictionaryLiteral (Sema &S, QualType TargetType, ObjCDictionaryLiteral *DictionaryLiteral)
 Check an Objective-C dictionary literal being converted to the given target type. More...
 
static void checkObjCCollectionLiteralElement (Sema &S, QualType TargetElementType, Expr *Element, unsigned ElementKind)
 Check a single element within a collection literal against the target element type. More...
 
static bool isSameWidthConstantConversion (Sema &S, Expr *E, QualType T, SourceLocation CC)
 
static const IntegerLiteralgetIntegerLiteral (Expr *E)
 
static void DiagnoseIntInBoolContext (Sema &S, Expr *E)
 
static void CheckImplicitConversion (Sema &S, Expr *E, QualType T, SourceLocation CC, bool *ICContext=nullptr, bool IsListInit=false)
 
static void CheckConditionalOperator (Sema &S, AbstractConditionalOperator *E, SourceLocation CC, QualType T)
 
static void CheckConditionalOperand (Sema &S, Expr *E, QualType T, SourceLocation CC, bool &ICContext)
 
static void CheckBoolLikeConversion (Sema &S, Expr *E, SourceLocation CC)
 Check conversion of given expression to boolean. More...
 
static void AnalyzeImplicitConversions (Sema &S, AnalyzeImplicitConversionsWorkItem Item, llvm::SmallVectorImpl< AnalyzeImplicitConversionsWorkItem > &WorkList)
 Data recursive variant of AnalyzeImplicitConversions. More...
 
static bool CheckForReference (Sema &SemaRef, const Expr *E, const PartialDiagnostic &PD)
 
static bool IsInAnyMacroBody (const SourceManager &SM, SourceLocation Loc)
 
static void diagnoseArrayStarInParamType (Sema &S, QualType PType, SourceLocation Loc)
 
static Optional< std::pair< CharUnits, CharUnits > > getBaseAlignmentAndOffsetFromPtr (const Expr *E, ASTContext &Ctx)
 This helper function takes a pointer expression and returns the alignment of a VarDecl and a constant offset from the VarDecl. More...
 
static std::pair< CharUnits, CharUnitsgetDerivedToBaseAlignmentAndOffset (const CastExpr *CE, QualType DerivedType, CharUnits BaseAlignment, CharUnits Offset, ASTContext &Ctx)
 Compute the alignment and offset of the base class object given the derived-to-base cast expression and the alignment and offset of the derived class object. More...
 
static Optional< std::pair< CharUnits, CharUnits > > getAlignmentAndOffsetFromBinAddOrSub (const Expr *PtrE, const Expr *IntE, bool IsSub, ASTContext &Ctx)
 Compute the alignment and offset of a binary additive operator. More...
 
static Optional< std::pair< CharUnits, CharUnits > > getBaseAlignmentAndOffsetFromLValue (const Expr *E, ASTContext &Ctx)
 This helper function takes an lvalue expression and returns the alignment of a VarDecl and a constant offset from the VarDecl. More...
 
static CharUnits getPresumedAlignmentOfPointer (const Expr *E, Sema &S)
 
static bool IsTailPaddedMemberArray (Sema &S, const llvm::APInt &Size, const NamedDecl *ND)
 Check whether this array fits the idiom of a size-one tail padded array member of a struct. More...
 
static bool considerVariable (VarDecl *var, Expr *ref, RetainCycleOwner &owner)
 Consider whether capturing the given variable can possibly lead to a retain cycle. More...
 
static bool findRetainCycleOwner (Sema &S, Expr *e, RetainCycleOwner &owner)
 
static ExprfindCapturingExpr (Sema &S, Expr *e, RetainCycleOwner &owner)
 Check whether the given argument is a block which captures a variable. More...
 
static void diagnoseRetainCycle (Sema &S, Expr *capturer, RetainCycleOwner &owner)
 
static bool isSetterLikeSelector (Selector sel)
 Check for a keyword selector that starts with the word 'add' or 'set'. More...
 
static Optional< intGetNSMutableArrayArgumentIndex (Sema &S, ObjCMessageExpr *Message)
 
static Optional< intGetNSMutableDictionaryArgumentIndex (Sema &S, ObjCMessageExpr *Message)
 
static Optional< intGetNSSetArgumentIndex (Sema &S, ObjCMessageExpr *Message)
 
static bool checkUnsafeAssignLiteral (Sema &S, SourceLocation Loc, Expr *RHS, bool isProperty)
 
static bool checkUnsafeAssignObject (Sema &S, SourceLocation Loc, Qualifiers::ObjCLifetime LT, Expr *RHS, bool isProperty)
 
static bool ShouldDiagnoseEmptyStmtBody (const SourceManager &SourceMgr, SourceLocation StmtLoc, const NullStmt *Body)
 
static bool isLayoutCompatible (ASTContext &C, QualType T1, QualType T2)
 Check if two types are layout-compatible in C++11 sense. More...
 
static bool isLayoutCompatible (ASTContext &C, EnumDecl *ED1, EnumDecl *ED2)
 Check if two enumeration types are layout-compatible. More...
 
static bool isLayoutCompatible (ASTContext &C, FieldDecl *Field1, FieldDecl *Field2)
 Check if two fields are layout-compatible. More...
 
static bool isLayoutCompatibleStruct (ASTContext &C, RecordDecl *RD1, RecordDecl *RD2)
 Check if two standard-layout structs are layout-compatible. More...
 
static bool isLayoutCompatibleUnion (ASTContext &C, RecordDecl *RD1, RecordDecl *RD2)
 Check if two standard-layout unions are layout-compatible. More...
 
static bool isLayoutCompatible (ASTContext &C, RecordDecl *RD1, RecordDecl *RD2)
 
static bool FindTypeTagExpr (const Expr *TypeExpr, const ASTContext &Ctx, const ValueDecl **VD, uint64_t *MagicValue, bool isConstantEvaluated)
 Given a type tag expression find the type tag itself. More...
 
static bool GetMatchingCType (const IdentifierInfo *ArgumentKind, const Expr *TypeExpr, const ASTContext &Ctx, const llvm::DenseMap< Sema::TypeTagMagicValue, Sema::TypeTagData > *MagicValues, bool &FoundWrongKind, Sema::TypeTagData &TypeInfo, bool isConstantEvaluated)
 Retrieve the C type corresponding to type tag TypeExpr. More...
 
static bool IsSameCharType (QualType T1, QualType T2)
 
static llvm::Optional< unsignedgetAndVerifyMatrixDimension (Expr *Expr, StringRef Name, Sema &S)
 

Macro Definition Documentation

◆ ATOMIC_BUILTIN

#define ATOMIC_BUILTIN (   ID,
  TYPE,
  ATTRS 
)
Value:
case Builtin::BI##ID: \
return SemaAtomicOpsOverloaded(TheCallResult, AtomicExpr::AO##ID);

◆ BUILTIN

#define BUILTIN (   ID,
  TYPE,
  ATTRS 
)

◆ BUILTIN_ROW

#define BUILTIN_ROW (   x)
Value:
{ Builtin::BI##x##_1, Builtin::BI##x##_2, Builtin::BI##x##_4, \
Builtin::BI##x##_8, Builtin::BI##x##_16 }

◆ CUSTOM_BUILTIN

#define CUSTOM_BUILTIN (   Name,
  Intr,
  Types,
  Acc 
)
Value:
case PPC::BI__builtin_##Name: \
return SemaBuiltinPPCMMACall(TheCall, Types);

◆ GET_NEON_IMMEDIATE_CHECK

#define GET_NEON_IMMEDIATE_CHECK

◆ GET_NEON_OVERLOAD_CHECK

#define GET_NEON_OVERLOAD_CHECK

◆ GET_SVE_IMMEDIATE_CHECK

#define GET_SVE_IMMEDIATE_CHECK

◆ PPC_VECTOR_TYPE [1/2]

#define PPC_VECTOR_TYPE (   Name,
  Id,
  Size 
)    || CoreType == Context.Id##Ty

◆ PPC_VECTOR_TYPE [2/2]

#define PPC_VECTOR_TYPE (   typeName,
  Id,
  size 
)    case size: Type = Context.Id##Ty; break;

Enumeration Type Documentation

◆ anonymous enum

anonymous enum
Enumerator
TileRegLow 
TileRegHigh 

Definition at line 4274 of file SemaChecking.cpp.

◆ AbsoluteValueKind

Enumerator
AVK_Integer 
AVK_Floating 
AVK_Complex 

Definition at line 9860 of file SemaChecking.cpp.

Function Documentation

◆ adornObjCBoolConversionDiagWithTernaryFixit()

static void adornObjCBoolConversionDiagWithTernaryFixit ( Sema S,
Expr SourceExpr,
const Sema::SemaDiagnosticBuilder Builder 
)
static

Definition at line 12234 of file SemaChecking.cpp.

◆ AnalyzeAssignment()

static void AnalyzeAssignment ( Sema S,
BinaryOperator E 
)
static

Analyze the given simple or compound assignment for warning-worthy operations.

Definition at line 12185 of file SemaChecking.cpp.

◆ AnalyzeBitFieldAssignment()

static bool AnalyzeBitFieldAssignment ( Sema S,
FieldDecl Bitfield,
Expr Init,
SourceLocation  InitLoc 
)
static

Analyzes an attempt to assign the given value to a bitfield.

Returns true if there was something fishy about the attempt.

Definition at line 12052 of file SemaChecking.cpp.

◆ AnalyzeComparison()

static void AnalyzeComparison ( Sema S,
BinaryOperator E 
)
static

Implements -Wsign-compare.

Parameters
Ethe binary operator to check for warnings

Definition at line 11938 of file SemaChecking.cpp.

◆ AnalyzeCompoundAssignment()

static void AnalyzeCompoundAssignment ( Sema S,
BinaryOperator E 
)
static

Analyze the given compound assignment for the possible losing of floating-point precision.

Definition at line 12367 of file SemaChecking.cpp.

◆ AnalyzeImpConvsInComparison()

static void AnalyzeImpConvsInComparison ( Sema S,
BinaryOperator E 
)
static

Analyze the operands of the given comparison.

Implements the fallback case from AnalyzeComparison.

Definition at line 11930 of file SemaChecking.cpp.

◆ AnalyzeImplicitConversions() [1/2]

static void AnalyzeImplicitConversions ( Sema S,
AnalyzeImplicitConversionsWorkItem  Item,
llvm::SmallVectorImpl< AnalyzeImplicitConversionsWorkItem > &  WorkList 
)
static

Data recursive variant of AnalyzeImplicitConversions.

Subexpressions that should be visited are added to WorkList.

Definition at line 13186 of file SemaChecking.cpp.

◆ AnalyzeImplicitConversions() [2/2]

static void AnalyzeImplicitConversions ( Sema S,
Expr OrigE,
SourceLocation  CC,
bool  IsListInit 
)
static

AnalyzeImplicitConversions - Find and report any interesting implicit conversions in the given expression.

There are a couple of competing diagnostics here, -Wconversion and -Wsign-compare.

Definition at line 13320 of file SemaChecking.cpp.

◆ changeAbsFunction()

static unsigned changeAbsFunction ( unsigned  AbsKind,
AbsoluteValueKind  ValueKind 
)
static

Definition at line 9879 of file SemaChecking.cpp.

References AVK_Complex, AVK_Floating, and AVK_Integer.

◆ checkArgCount()

static bool checkArgCount ( Sema S,
CallExpr call,
unsigned  desiredArgCount 
)
static

Checks that a call expression's argument count is the desired number.

This is useful when doing custom type-checking. Returns true on error.

Definition at line 114 of file SemaChecking.cpp.

◆ CheckBoolLikeConversion()

static void CheckBoolLikeConversion ( Sema S,
Expr E,
SourceLocation  CC 
)
static

Check conversion of given expression to boolean.

Input argument E is a logical expression.

Definition at line 13168 of file SemaChecking.cpp.

◆ checkBuiltinArgument()

static bool checkBuiltinArgument ( Sema S,
CallExpr E,
unsigned  ArgIndex 
)
static

checkBuiltinArgument - Given a call to a builtin function, perform normal type-checking on the given argument, updating the call in place.

This is useful when a builtin function requires custom type-checking for some of its arguments but not necessarily all of them.

Returns true on error.

Definition at line 5764 of file SemaChecking.cpp.

◆ CheckBuiltinTargetSupport()

static bool CheckBuiltinTargetSupport ( Sema S,
unsigned  BuiltinID,
CallExpr TheCall,
ArrayRef< llvm::Triple::ArchType >  SupportedArchs 
)
static

Definition at line 1395 of file SemaChecking.cpp.

◆ CheckConditionalOperand()

static void CheckConditionalOperand ( Sema S,
Expr E,
QualType  T,
SourceLocation  CC,
bool ICContext 
)
static

Definition at line 13119 of file SemaChecking.cpp.

◆ CheckConditionalOperator()

static void CheckConditionalOperator ( Sema S,
AbstractConditionalOperator E,
SourceLocation  CC,
QualType  T 
)
static

Definition at line 13131 of file SemaChecking.cpp.

◆ CheckFormatString()

static void CheckFormatString ( Sema S,
const FormatStringLiteral *  FExpr,
const Expr OrigFormatExpr,
ArrayRef< const Expr * >  Args,
bool  HasVAListArg,
unsigned  format_idx,
unsigned  firstDataArg,
Sema::FormatStringType  Type,
bool  inFunctionCall,
Sema::VariadicCallType  CallType,
llvm::SmallBitVector &  CheckedVarArgs,
UncoveredArgHandler &  UncoveredArg,
bool  IgnoreStringsWithoutSpecifiers 
)
static

Definition at line 9668 of file SemaChecking.cpp.

◆ checkFormatStringExpr()

static StringLiteralCheckType checkFormatStringExpr ( Sema S,
const Expr E,
ArrayRef< const Expr * >  Args,
bool  HasVAListArg,
unsigned  format_idx,
unsigned  firstDataArg,
Sema::FormatStringType  Type,
Sema::VariadicCallType  CallType,
bool  InFunctionCall,
llvm::SmallBitVector &  CheckedVarArgs,
UncoveredArgHandler &  UncoveredArg,
llvm::APSInt  Offset,
bool  IgnoreStringsWithoutSpecifiers = false 
)
static

Definition at line 7698 of file SemaChecking.cpp.

◆ CheckForReference()

static bool CheckForReference ( Sema SemaRef,
const Expr E,
const PartialDiagnostic PD 
)
static

◆ CheckImplicitArgumentConversions()

static void CheckImplicitArgumentConversions ( Sema S,
CallExpr TheCall,
SourceLocation  CC 
)
static

Definition at line 12432 of file SemaChecking.cpp.

◆ CheckImplicitConversion()

static void CheckImplicitConversion ( Sema S,
Expr E,
QualType  T,
SourceLocation  CC,
bool ICContext = nullptr,
bool  IsListInit = false 
)
static

Definition at line 12671 of file SemaChecking.cpp.

◆ CheckMemaccessSize()

static void CheckMemaccessSize ( Sema S,
unsigned  BId,
const CallExpr Call 
)
static

Diagnose cases like 'memset(buf, sizeof(buf), 0)', which should have the last two arguments transposed.

Definition at line 10431 of file SemaChecking.cpp.

◆ CheckMemorySizeofForComparison()

static bool CheckMemorySizeofForComparison ( Sema S,
const Expr E,
IdentifierInfo FnName,
SourceLocation  FnLoc,
SourceLocation  RParenLoc 
)
static

Takes the expression passed to the size_t parameter of functions such as memcmp, strncat, etc and warns if it's a comparison.

This is to catch typos like if (memcmp(&a, &b, sizeof(a) > 0)).

Definition at line 10220 of file SemaChecking.cpp.

◆ CheckNonNullArgument()

static void CheckNonNullArgument ( Sema S,
const Expr ArgExpr,
SourceLocation  CallSiteLoc 
)
static

Definition at line 4774 of file SemaChecking.cpp.

Referenced by clang::Sema::BuildAtomicExpr().

◆ CheckNonNullArguments()

static void CheckNonNullArguments ( Sema S,
const NamedDecl FDecl,
const FunctionProtoType Proto,
ArrayRef< const Expr * >  Args,
SourceLocation  CallSiteLoc 
)
static

Definition at line 4843 of file SemaChecking.cpp.

◆ CheckNonNullExpr()

static bool CheckNonNullExpr ( Sema S,
const Expr Expr 
)
static

Checks if a the given expression evaluates to null.

Returns true if the value evaluates to null.

Definition at line 4749 of file SemaChecking.cpp.

◆ checkObjCArrayLiteral()

static void checkObjCArrayLiteral ( Sema S,
QualType  TargetType,
ObjCArrayLiteral ArrayLiteral 
)
static

Check an Objective-C array literal being converted to the given target type.

Definition at line 12540 of file SemaChecking.cpp.

◆ checkObjCCollectionLiteralElement()

static void checkObjCCollectionLiteralElement ( Sema S,
QualType  TargetElementType,
Expr Element,
unsigned  ElementKind 
)
static

Check a single element within a collection literal against the target element type.

Definition at line 12509 of file SemaChecking.cpp.

◆ checkObjCDictionaryLiteral()

static void checkObjCDictionaryLiteral ( Sema S,
QualType  TargetType,
ObjCDictionaryLiteral DictionaryLiteral 
)
static

Check an Objective-C dictionary literal being converted to the given target type.

Definition at line 12569 of file SemaChecking.cpp.

◆ checkOpenCLBlockArgs()

static bool checkOpenCLBlockArgs ( Sema S,
Expr BlockArg 
)
static

OpenCL C v2.0, s6.13.17.2 - Checks that the block parameters are all local void*, which is a requirement of device side enqueue.

Definition at line 821 of file SemaChecking.cpp.

◆ checkOpenCLEnqueueIntType()

static bool checkOpenCLEnqueueIntType ( Sema S,
Expr E,
const QualType IntType 
)
static

Diagnose integer type and any valid implicit conversion to it.

Definition at line 13329 of file SemaChecking.cpp.

◆ checkOpenCLEnqueueLocalSizeArgs()

static bool checkOpenCLEnqueueLocalSizeArgs ( Sema S,
CallExpr TheCall,
unsigned  Start,
unsigned  End 
)
static

Definition at line 907 of file SemaChecking.cpp.

◆ checkOpenCLEnqueueVariadicArgs()

static bool checkOpenCLEnqueueVariadicArgs ( Sema S,
CallExpr TheCall,
Expr BlockArg,
unsigned  NumNonVarArgs 
)
static

OpenCL v2.0, s6.13.17.1 - Check that sizes are provided for all 'local void*' parameter of passed block.

Definition at line 918 of file SemaChecking.cpp.

◆ checkOpenCLPipeArg()

static bool checkOpenCLPipeArg ( Sema S,
CallExpr Call 
)
static

Returns true if pipe element type is different from the pointer.

Definition at line 1092 of file SemaChecking.cpp.

◆ checkOpenCLPipePacketType()

static bool checkOpenCLPipePacketType ( Sema S,
CallExpr Call,
unsigned  Idx 
)
static

Returns true if pipe element type is different from the pointer.

Definition at line 1142 of file SemaChecking.cpp.

◆ checkOpenCLSubgroupExt()

static bool checkOpenCLSubgroupExt ( Sema S,
CallExpr Call 
)
static

Definition at line 854 of file SemaChecking.cpp.

◆ CheckTautologicalComparison()

static bool CheckTautologicalComparison ( Sema S,
BinaryOperator E,
Expr Constant,
Expr Other,
const llvm::APSInt Value,
bool  RhsConstant 
)
static

Definition at line 11776 of file SemaChecking.cpp.

◆ checkUnsafeAssignLiteral()

static bool checkUnsafeAssignLiteral ( Sema S,
SourceLocation  Loc,
Expr RHS,
bool  isProperty 
)
static

Definition at line 15672 of file SemaChecking.cpp.

◆ checkUnsafeAssignObject()

static bool checkUnsafeAssignObject ( Sema S,
SourceLocation  Loc,
Qualifiers::ObjCLifetime  LT,
Expr RHS,
bool  isProperty 
)
static

◆ checkVAStartABI()

static bool checkVAStartABI ( Sema S,
unsigned  BuiltinID,
Expr Fn 
)
static

Check that the user is calling the appropriate va_start builtin for the target and calling convention.

Definition at line 6290 of file SemaChecking.cpp.

◆ checkVAStartIsInVariadicFunction()

static bool checkVAStartIsInVariadicFunction ( Sema S,
Expr Fn,
ParmVarDecl **  LastParam = nullptr 
)
static

Definition at line 6325 of file SemaChecking.cpp.

◆ classifyConstantValue()

static int classifyConstantValue ( Expr Constant)
static

Definition at line 11762 of file SemaChecking.cpp.

◆ considerVariable()

static bool considerVariable ( VarDecl var,
Expr ref,
RetainCycleOwner &  owner 
)
static

Consider whether capturing the given variable can possibly lead to a retain cycle.

Definition at line 15234 of file SemaChecking.cpp.

References clang::QualType::getObjCLifetime(), clang::ValueDecl::getType(), and clang::Qualifiers::OCL_Strong.

Referenced by clang::Sema::checkRetainCycles().

◆ CXXRecordMembersNamed()

template<typename MemberKind >
static llvm::SmallPtrSet<MemberKind*, 1> CXXRecordMembersNamed ( StringRef  Name,
Sema S,
QualType  Ty 
)
static

Definition at line 8804 of file SemaChecking.cpp.

◆ DecodePPCMMATypeFromStr()

static QualType DecodePPCMMATypeFromStr ( ASTContext Context,
const char *&  Str,
unsigned Mask 
)
static

DecodePPCMMATypeFromStr - This decodes one PPC MMA type descriptor from Str, advancing the pointer over the consumed characters.

The decoded type is returned. If the decoded type represents a constant integer with a constraint on its value then Mask is set to that value. The type descriptors used in Str are specific to PPC MMA builtins and are documented in the file defining the PPC builtins.

Definition at line 3226 of file SemaChecking.cpp.

References clang::ASTContext::DecodeTypeStr(), End, clang::ASTContext::GE_None, clang::ASTContext::getPointerType(), clang::ASTContext::getVectorType(), clang::ASTContext::IntTy, and clang::ASTContext::UnsignedCharTy.

◆ diagnoseArrayStarInParamType()

static void diagnoseArrayStarInParamType ( Sema S,
QualType  PType,
SourceLocation  Loc 
)
static

Definition at line 14518 of file SemaChecking.cpp.

Referenced by clang::Sema::CheckParmsForFunctionDef().

◆ DiagnoseCStringFormatDirectiveInCFAPI()

static void DiagnoseCStringFormatDirectiveInCFAPI ( Sema S,
const NamedDecl FDecl,
Expr **  Args,
unsigned  NumArgs 
)
static

Diagnose use of s directive in an NSString which is being passed as formatting string to formatting method.

Definition at line 4796 of file SemaChecking.cpp.

◆ DiagnoseFloatingImpCast()

static void DiagnoseFloatingImpCast ( Sema S,
Expr E,
QualType  T,
SourceLocation  CContext 
)
static

Diagnose an implicit cast from a floating point value to an integer value.

Definition at line 12250 of file SemaChecking.cpp.

◆ DiagnoseImpCast() [1/2]

static void DiagnoseImpCast ( Sema S,
Expr E,
QualType  SourceType,
QualType  T,
SourceLocation  CContext,
unsigned  diag,
bool  pruneControlFlow = false 
)
static

Diagnose an implicit cast; purely a helper for CheckImplicitConversion.

Definition at line 12208 of file SemaChecking.cpp.

◆ DiagnoseImpCast() [2/2]

static void DiagnoseImpCast ( Sema S,
Expr E,
QualType  T,
SourceLocation  CContext,
unsigned  diag,
bool  pruneControlFlow = false 
)
static

Diagnose an implicit cast; purely a helper for CheckImplicitConversion.

Definition at line 12223 of file SemaChecking.cpp.

◆ DiagnoseIntInBoolContext()

static void DiagnoseIntInBoolContext ( Sema S,
Expr E 
)
static

Definition at line 12634 of file SemaChecking.cpp.

◆ DiagnoseNullConversion()

static void DiagnoseNullConversion ( Sema S,
Expr E,
QualType  T,
SourceLocation  CC 
)
static

Definition at line 12453 of file SemaChecking.cpp.

◆ diagnoseRetainCycle()

static void diagnoseRetainCycle ( Sema S,
Expr capturer,
RetainCycleOwner &  owner 
)
static

Definition at line 15419 of file SemaChecking.cpp.

Referenced by clang::Sema::checkRetainCycles().

◆ doesExprLikelyComputeSize()

static bool doesExprLikelyComputeSize ( const Expr SizeofExpr)
static

Detect if SizeofExpr is likely to calculate the sizeof an object.

Definition at line 10395 of file SemaChecking.cpp.

References getAsSizeOfExpr(), and clang::Expr::IgnoreParenImpCasts().

◆ emitReplacement()

static void emitReplacement ( Sema S,
SourceLocation  Loc,
SourceRange  Range,
unsigned  AbsKind,
QualType  ArgType 
)
static

Definition at line 9976 of file SemaChecking.cpp.

Referenced by clang::syntax::computeReplacements().

◆ findCapturingExpr()

static Expr* findCapturingExpr ( Sema S,
Expr e,
RetainCycleOwner &  owner 
)
static

Check whether the given argument is a block which captures a variable.

Definition at line 15384 of file SemaChecking.cpp.

Referenced by clang::Sema::checkRetainCycles().

◆ findRetainCycleOwner()

static bool findRetainCycleOwner ( Sema S,
Expr e,
RetainCycleOwner &  owner 
)
static

Definition at line 15247 of file SemaChecking.cpp.

Referenced by clang::Sema::checkRetainCycles().

◆ FindTypeTagExpr()

static bool FindTypeTagExpr ( const Expr TypeExpr,
const ASTContext Ctx,
const ValueDecl **  VD,
uint64_t *  MagicValue,
bool  isConstantEvaluated 
)
static

Given a type tag expression find the type tag itself.

Parameters
TypeExprType tag expression, as it appears in user's code.
VDDeclaration of an identifier that appears in a type tag.
MagicValueType tag magic value.
isConstantEvaluatedwhether the evalaution should be performed in constant context.

Definition at line 16163 of file SemaChecking.cpp.

References clang::Expr::EvaluateAsBooleanCondition(), clang::AbstractConditionalOperator::getCond(), clang::DeclRefExpr::getDecl(), clang::AbstractConditionalOperator::getFalseExpr(), clang::UnaryOperator::getOpcode(), clang::BinaryOperator::getOpcode(), clang::BinaryOperator::getRHS(), clang::Stmt::getStmtClass(), clang::UnaryOperator::getSubExpr(), clang::AbstractConditionalOperator::getTrueExpr(), clang::APIntStorage::getValue(), clang::Expr::IgnoreParenCasts(), and clang::Expr::IgnoreParenImpCasts().

Referenced by GetMatchingCType().

◆ getAbsoluteValueArgumentType()

static QualType getAbsoluteValueArgumentType ( ASTContext Context,
unsigned  AbsType 
)
static

◆ getAbsoluteValueFunctionKind()

static unsigned getAbsoluteValueFunctionKind ( const FunctionDecl FDecl)
static

◆ getAbsoluteValueKind()

static AbsoluteValueKind getAbsoluteValueKind ( QualType  T)
static

◆ getAlignmentAndOffsetFromBinAddOrSub()

static Optional<std::pair<CharUnits, CharUnits> > getAlignmentAndOffsetFromBinAddOrSub ( const Expr PtrE,
const Expr IntE,
bool  IsSub,
ASTContext Ctx 
)
static

◆ getAndVerifyMatrixDimension()

static llvm::Optional<unsigned> getAndVerifyMatrixDimension ( Expr Expr,
StringRef  Name,
Sema S 
)
static

Definition at line 16600 of file SemaChecking.cpp.

◆ getAsSizeOfExpr()

static const UnaryExprOrTypeTraitExpr* getAsSizeOfExpr ( const Expr E)
static

◆ getBaseAlignmentAndOffsetFromLValue()

static Optional<std::pair<CharUnits, CharUnits> > getBaseAlignmentAndOffsetFromLValue ( const Expr E,
ASTContext Ctx 
)
static

◆ getBaseAlignmentAndOffsetFromPtr()

static Optional< std::pair< CharUnits, CharUnits > > getBaseAlignmentAndOffsetFromPtr ( const Expr E,
ASTContext Ctx 
)
static

◆ getBestAbsFunction()

static unsigned getBestAbsFunction ( ASTContext Context,
QualType  ArgType,
unsigned  AbsFunctionKind 
)
static

◆ getContainedDynamicClass()

static const CXXRecordDecl* getContainedDynamicClass ( QualType  T,
bool IsContained 
)
static

◆ getDerivedToBaseAlignmentAndOffset()

static std::pair<CharUnits, CharUnits> getDerivedToBaseAlignmentAndOffset ( const CastExpr CE,
QualType  DerivedType,
CharUnits  BaseAlignment,
CharUnits  Offset,
ASTContext Ctx 
)
static

Compute the alignment and offset of the base class object given the derived-to-base cast expression and the alignment and offset of the derived class object.

Definition at line 14635 of file SemaChecking.cpp.

References clang::Type::getAsCXXRecordDecl(), clang::ASTContext::getASTRecordLayout(), clang::ASTRecordLayout::getBaseClassOffset(), clang::ASTRecordLayout::getNonVirtualAlignment(), min(), Offset, clang::CastExpr::path_begin(), clang::CastExpr::path_end(), and clang::CharUnits::Zero().

Referenced by getBaseAlignmentAndOffsetFromLValue(), and getBaseAlignmentAndOffsetFromPtr().

◆ GetExprRange() [1/2]

static IntRange GetExprRange ( ASTContext C,
const Expr E,
bool  InConstantContext,
bool  Approximate 
)
static

Definition at line 11551 of file SemaChecking.cpp.

References GetExprRange(), and GetExprType().

◆ GetExprRange() [2/2]

static IntRange GetExprRange ( ASTContext C,
const Expr E,
unsigned  MaxWidth,
bool  InConstantContext,
bool  Approximate 
)
static

Pseudo-evaluate the given integer expression, estimating the range of values it might take.

Parameters
MaxWidthThe width to which the value will be truncated.
ApproximateIf true, return a likely range for the result: in particular, assume that arithmetic on narrower types doesn't leave those types. If false, return a range including all possible result values.

Definition at line 11302 of file SemaChecking.cpp.

References clang::Expr::EvaluateAsRValue(), GetExprType(), clang::Expr::getSourceBitField(), clang::Expr::getType(), GetValueRange(), clang::Expr::IgnoreParens(), clang::Type::isUnsignedIntegerOrEnumerationType(), clang::Type::isVoidType(), log2, min(), and clang::Expr::EvalResult::Val.

Referenced by GetExprRange().

◆ GetExprType()

static QualType GetExprType ( const Expr E)
static

Definition at line 11287 of file SemaChecking.cpp.

References clang::Type::getAs(), and clang::Expr::getType().

Referenced by GetExprRange().

◆ getIntegerLiteral()

static const IntegerLiteral* getIntegerLiteral ( Expr E)
static

Definition at line 12622 of file SemaChecking.cpp.

◆ getLargerAbsoluteValueFunction()

static unsigned getLargerAbsoluteValueFunction ( unsigned  AbsFunction)
static

Definition at line 9769 of file SemaChecking.cpp.

Referenced by getBestAbsFunction().

◆ GetMatchingCType()

static bool GetMatchingCType ( const IdentifierInfo ArgumentKind,
const Expr TypeExpr,
const ASTContext Ctx,
const llvm::DenseMap< Sema::TypeTagMagicValue, Sema::TypeTagData > *  MagicValues,
bool FoundWrongKind,
Sema::TypeTagData TypeInfo,
bool  isConstantEvaluated 
)
static

Retrieve the C type corresponding to type tag TypeExpr.

Parameters
TypeExprExpression that specifies a type tag.
MagicValuesRegistered magic values.
FoundWrongKindSet to true if a type tag was found, but of a wrong kind.
TypeInfoInformation about the corresponding C type.
isConstantEvaluatedwhether the evalaution should be performed in constant context.
Returns
true if the corresponding C type was found.

Definition at line 16244 of file SemaChecking.cpp.

References FindTypeTagExpr(), and clang::Decl::getAttr().

◆ getNeonEltType()

static QualType getNeonEltType ( NeonTypeFlags  Flags,
ASTContext Context,
bool  IsPolyUnsigned,
bool  IsInt64Long 
)
static

◆ GetNSMutableArrayArgumentIndex()

static Optional<int> GetNSMutableArrayArgumentIndex ( Sema S,
ObjCMessageExpr Message 
)
static

Definition at line 15452 of file SemaChecking.cpp.

◆ GetNSMutableDictionaryArgumentIndex()

static Optional<int> GetNSMutableDictionaryArgumentIndex ( Sema S,
ObjCMessageExpr Message 
)
static

Definition at line 15487 of file SemaChecking.cpp.

◆ GetNSSetArgumentIndex()

static Optional<int> GetNSSetArgumentIndex ( Sema S,
ObjCMessageExpr Message 
)
static

Definition at line 15519 of file SemaChecking.cpp.

◆ getOpenCLArgAccess()

static OpenCLAccessAttr* getOpenCLArgAccess ( const Decl D)
static

Returns OpenCL access qual.

Definition at line 1087 of file SemaChecking.cpp.

References clang::Decl::getAttr().

◆ getPresumedAlignmentOfPointer()

static CharUnits getPresumedAlignmentOfPointer ( const Expr E,
Sema S 
)
static

Definition at line 14845 of file SemaChecking.cpp.

Referenced by clang::Sema::CheckCastAlign().

◆ getSizeOfArgType()

static QualType getSizeOfArgType ( const Expr E)
static

If E is a sizeof expression, returns its argument type.

Definition at line 10296 of file SemaChecking.cpp.

References getAsSizeOfExpr().

◆ getSizeOfExprArg()

static const Expr* getSizeOfExprArg ( const Expr E)
static

If E is a sizeof expression, returns its argument expression, otherwise returns NULL.

Definition at line 10288 of file SemaChecking.cpp.

References getAsSizeOfExpr(), and clang::Expr::IgnoreParenImpCasts().

◆ getStrlenExprArg()

static const Expr* getStrlenExprArg ( const Expr E)
static

Definition at line 10787 of file SemaChecking.cpp.

References clang::FunctionDecl::getMemoryFunctionKind().

◆ GetValueRange() [1/2]

static IntRange GetValueRange ( ASTContext C,
APValue result,
QualType  Ty,
unsigned  MaxWidth 
)
static

◆ GetValueRange() [2/2]

static IntRange GetValueRange ( ASTContext C,
llvm::APSInt value,
unsigned  MaxWidth 
)
static

Definition at line 11245 of file SemaChecking.cpp.

Referenced by GetExprRange(), and GetValueRange().

◆ HasEnumType()

static bool HasEnumType ( Expr E)
static

Definition at line 11750 of file SemaChecking.cpp.

References clang::Expr::getType(), and clang::Type::isEnumeralType().

◆ ignoreLiteralAdditions()

static const Expr* ignoreLiteralAdditions ( const Expr Ex,
ASTContext Ctx 
)
static

◆ isArgumentExpandedFromMacro()

static bool isArgumentExpandedFromMacro ( SourceManager SM,
SourceLocation  CallLoc,
SourceLocation  ArgLoc 
)
static

Check if the ArgLoc originated from a macro passed to the call at CallLoc.

#define MACRO 0
foo(MACRO);
foo(0);

This should return true for the first call to foo, but not for the second (regardless of whether foo is a macro or function).

Definition at line 10419 of file SemaChecking.cpp.

References clang::SourceLocation::isMacroID(), and SM.

◆ isArithmeticArgumentPromotion()

static bool isArithmeticArgumentPromotion ( Sema S,
const ImplicitCastExpr ICE 
)
static

Return true if ICE is an implicit argument promotion of an arithmetic type.

Bit-field 'promotions' from a higher ranked type to a lower ranked type do not count.

Definition at line 9174 of file SemaChecking.cpp.

◆ isBlockPointer()

static bool isBlockPointer ( Expr Arg)
inlinestatic

◆ isConstantSizeArrayWithMoreThanOneElement()

static bool isConstantSizeArrayWithMoreThanOneElement ( QualType  Ty,
ASTContext Context 
)
static

◆ isEltOfVectorTy()

static bool isEltOfVectorTy ( ASTContext Context,
CallExpr Call,
Sema S,
QualType  VectorTy,
QualType  EltTy 
)
static

Definition at line 2612 of file SemaChecking.cpp.

◆ IsEnumConstOrFromMacro()

static bool IsEnumConstOrFromMacro ( Sema S,
Expr E 
)
static

Definition at line 11598 of file SemaChecking.cpp.

◆ IsImplicitBoolFloatConversion()

static bool IsImplicitBoolFloatConversion ( Sema S,
Expr Ex,
bool  ToBool 
)
static

Definition at line 12413 of file SemaChecking.cpp.

◆ IsInAnyMacroBody()

static bool IsInAnyMacroBody ( const SourceManager SM,
SourceLocation  Loc 
)
static

◆ isKnownToHaveUnsignedValue()

static bool isKnownToHaveUnsignedValue ( Expr E)
static

◆ isLayoutCompatible() [1/4]

static bool isLayoutCompatible ( ASTContext C,
EnumDecl ED1,
EnumDecl ED2 
)
static

Check if two enumeration types are layout-compatible.

Definition at line 16002 of file SemaChecking.cpp.

References clang::EnumDecl::getIntegerType(), and clang::EnumDecl::isComplete().

◆ isLayoutCompatible() [2/4]

static bool isLayoutCompatible ( ASTContext C,
FieldDecl Field1,
FieldDecl Field2 
)
static

Check if two fields are layout-compatible.

Definition at line 16011 of file SemaChecking.cpp.

References clang::FieldDecl::getBitWidthValue(), clang::ValueDecl::getType(), clang::FieldDecl::isBitField(), and isLayoutCompatible().

◆ isLayoutCompatible() [3/4]

static bool isLayoutCompatible ( ASTContext C,
QualType  T1,
QualType  T2 
)
static

◆ isLayoutCompatible() [4/4]

static bool isLayoutCompatible ( ASTContext C,
RecordDecl RD1,
RecordDecl RD2 
)
static

◆ isLayoutCompatibleStruct()

static bool isLayoutCompatibleStruct ( ASTContext C,
RecordDecl RD1,
RecordDecl RD2 
)
static

Check if two standard-layout structs are layout-compatible.

(C++11 [class.mem] p17)

Definition at line 16033 of file SemaChecking.cpp.

References clang::CXXRecordDecl::bases_begin(), clang::RecordDecl::field_begin(), clang::RecordDecl::field_end(), clang::CXXRecordDecl::getNumBases(), and isLayoutCompatible().

Referenced by isLayoutCompatible().

◆ isLayoutCompatibleUnion()

static bool isLayoutCompatibleUnion ( ASTContext C,
RecordDecl RD1,
RecordDecl RD2 
)
static

Check if two standard-layout unions are layout-compatible.

(C++11 [class.mem] p18)

Definition at line 16077 of file SemaChecking.cpp.

References clang::RecordDecl::fields(), and isLayoutCompatible().

Referenced by isLayoutCompatible().

◆ isNonNullType()

static bool isNonNullType ( ASTContext ctx,
QualType  type 
)
static

Determine whether the given type has a non-null nullability annotation.

Definition at line 4836 of file SemaChecking.cpp.

References clang::NonNull.

◆ isObjCSignedCharBool()

static bool isObjCSignedCharBool ( Sema S,
QualType  Ty 
)
static

Definition at line 12229 of file SemaChecking.cpp.

◆ isPPC_64Builtin()

static bool isPPC_64Builtin ( unsigned  BuiltinID)
static

Definition at line 3276 of file SemaChecking.cpp.

◆ IsSameCharType()

static bool IsSameCharType ( QualType  T1,
QualType  T2 
)
static

Definition at line 16301 of file SemaChecking.cpp.

References clang::Type::getAs(), and clang::BuiltinType::getKind().

◆ IsSameFloatAfterCast() [1/2]

static bool IsSameFloatAfterCast ( const APValue value,
const llvm::fltSemantics &  Src,
const llvm::fltSemantics &  Tgt 
)
static

Checks whether the given value, which currently has the given source semantics, has the same value when coerced through the target semantics.

The value might be a vector of floats (or a complex number).

Definition at line 11577 of file SemaChecking.cpp.

References clang::APValue::getComplexFloatImag(), clang::APValue::getComplexFloatReal(), clang::APValue::getFloat(), clang::APValue::getVectorElt(), clang::APValue::getVectorLength(), clang::APValue::isComplexFloat(), clang::APValue::isFloat(), IsSameFloatAfterCast(), and clang::APValue::isVector().

◆ IsSameFloatAfterCast() [2/2]

static bool IsSameFloatAfterCast ( const llvm::APFloat &  value,
const llvm::fltSemantics &  Src,
const llvm::fltSemantics &  Tgt 
)
static

Checks whether the given value, which currently has the given source semantics, has the same value when coerced through the target semantics.

Definition at line 11560 of file SemaChecking.cpp.

Referenced by IsSameFloatAfterCast().

◆ isSameWidthConstantConversion()

static bool isSameWidthConstantConversion ( Sema S,
Expr E,
QualType  T,
SourceLocation  CC 
)
static

Definition at line 12598 of file SemaChecking.cpp.

◆ isSetterLikeSelector()

static bool isSetterLikeSelector ( Selector  sel)
static

Check for a keyword selector that starts with the word 'add' or 'set'.

Definition at line 15432 of file SemaChecking.cpp.

References clang::Selector::getNameForSlot(), clang::Selector::getNumArgs(), clang::isLowercase(), and clang::Selector::isUnarySelector().

Referenced by clang::Sema::checkRetainCycles().

◆ IsShiftedByte()

static bool IsShiftedByte ( llvm::APSInt  Value)
static

Definition at line 7107 of file SemaChecking.cpp.

◆ IsStdFunction()

template<std::size_t StrLen>
static bool IsStdFunction ( const FunctionDecl FDecl,
const char(&)  Str[StrLen] 
)
static

◆ IsTailPaddedMemberArray()

static bool IsTailPaddedMemberArray ( Sema S,
const llvm::APInt &  Size,
const NamedDecl ND 
)
static

Check whether this array fits the idiom of a size-one tail padded array member of a struct.

We avoid emitting out-of-bounds access warnings for such arrays as they are commonly used to emulate flexible arrays in C89 code.

Definition at line 14906 of file SemaChecking.cpp.

◆ isValidBPFPreserveEnumValueArg()

static bool isValidBPFPreserveEnumValueArg ( Expr Arg)
static

◆ isValidBPFPreserveFieldInfoArg()

static bool isValidBPFPreserveFieldInfoArg ( Expr Arg)
static

◆ isValidBPFPreserveTypeInfoArg()

static bool isValidBPFPreserveTypeInfoArg ( Expr Arg)
static

◆ isValidOrderingForOp()

static bool isValidOrderingForOp ( int64_t  Ordering,
AtomicExpr::AtomicOp  Op 
)
static

Definition at line 5235 of file SemaChecking.cpp.

Referenced by clang::Sema::BuildAtomicExpr().

◆ isX86_32Builtin()

static bool isX86_32Builtin ( unsigned  BuiltinID)
static

Definition at line 4333 of file SemaChecking.cpp.

◆ PrettyPrintInRange()

static std::string PrettyPrintInRange ( const llvm::APSInt Value,
IntRange  Range 
)
static

Definition at line 12403 of file SemaChecking.cpp.

References clang::threadSafety::sx::toString().

◆ referToTheSameDecl()

static bool referToTheSameDecl ( const Expr E1,
const Expr E2 
)
static

Check if two expressions refer to the same declaration.

Definition at line 10780 of file SemaChecking.cpp.

◆ requiresParensToAddCast()

static bool requiresParensToAddCast ( const Expr E)
static

◆ RFT()

static unsigned RFT ( unsigned  t,
bool  shift = false,
bool  ForceQuad = false 
)
static

◆ SemaBuiltinAddressof()

static bool SemaBuiltinAddressof ( Sema S,
CallExpr TheCall 
)
static

Check that the argument to __builtin_addressof is a glvalue, and set the result type to the corresponding pointer type.

Definition at line 184 of file SemaChecking.cpp.

◆ SemaBuiltinAlignment()

static bool SemaBuiltinAlignment ( Sema S,
CallExpr TheCall,
unsigned  ID 
)
static

Check that the value argument for __builtin_is_aligned(value, alignment) and __builtin_aligned_{up,down}(value, alignment) is an integer or a pointer type (but not a function pointer) and that the alignment is a power-of-two.

Definition at line 211 of file SemaChecking.cpp.

◆ SemaBuiltinAnnotation()

static bool SemaBuiltinAnnotation ( Sema S,
CallExpr TheCall 
)
static

Check that the first argument to __builtin_annotation is an integer and the second argument is a non-wide string literal.

Definition at line 134 of file SemaChecking.cpp.

◆ SemaBuiltinCallWithStaticChain()

static bool SemaBuiltinCallWithStaticChain ( Sema S,
CallExpr BuiltinCall 
)
static

Definition at line 346 of file SemaChecking.cpp.

◆ SemaBuiltinCommitRWPipe()

static bool SemaBuiltinCommitRWPipe ( Sema S,
CallExpr Call 
)
static

Definition at line 1249 of file SemaChecking.cpp.

◆ SemaBuiltinCpuIs()

static bool SemaBuiltinCpuIs ( Sema S,
const TargetInfo TI,
CallExpr TheCall 
)
static

SemaBuiltinCpuIs - Handle __builtin_cpu_is(char *).

This checks that the target supports __builtin_cpu_is and that the string argument is constant and valid.

Definition at line 3864 of file SemaChecking.cpp.

◆ SemaBuiltinCpuSupports()

static bool SemaBuiltinCpuSupports ( Sema S,
const TargetInfo TI,
CallExpr TheCall 
)
static

SemaBuiltinCpuSupports - Handle __builtin_cpu_supports(char *).

This checks that the target supports __builtin_cpu_supports and that the string argument is constant and valid.

Definition at line 3843 of file SemaChecking.cpp.

◆ SemaBuiltinLaunder()

static ExprResult SemaBuiltinLaunder ( Sema S,
CallExpr TheCall 
)
static

Definition at line 1332 of file SemaChecking.cpp.

◆ SemaBuiltinMSVCAnnotation()

static bool SemaBuiltinMSVCAnnotation ( Sema S,
CallExpr TheCall 
)
static

Definition at line 160 of file SemaChecking.cpp.

◆ SemaBuiltinOverflow()

static bool SemaBuiltinOverflow ( Sema S,
CallExpr TheCall,
unsigned  BuiltinID 
)
static

Definition at line 289 of file SemaChecking.cpp.

◆ SemaBuiltinPipePackets()

static bool SemaBuiltinPipePackets ( Sema S,
CallExpr Call 
)
static

Definition at line 1272 of file SemaChecking.cpp.

◆ SemaBuiltinPreserveAI()

static bool SemaBuiltinPreserveAI ( Sema S,
CallExpr TheCall 
)
static

Check the number of arguments and set the result type to the argument type.

Definition at line 200 of file SemaChecking.cpp.

◆ SemaBuiltinReserveRWPipe()

static bool SemaBuiltinReserveRWPipe ( Sema S,
CallExpr Call 
)
static

Definition at line 1220 of file SemaChecking.cpp.

◆ SemaBuiltinRWPipe()

static bool SemaBuiltinRWPipe ( Sema S,
CallExpr Call 
)
static

Definition at line 1165 of file SemaChecking.cpp.

◆ SemaBuiltinSEHScopeCheck()

static bool SemaBuiltinSEHScopeCheck ( Sema SemaRef,
CallExpr TheCall,
Scope::ScopeFlags  NeededScopeFlags,
unsigned  DiagID 
)
static

Definition at line 793 of file SemaChecking.cpp.

References clang::Sema::inTemplateInstantiation().

◆ SemaFeatureCheck()

static bool SemaFeatureCheck ( Sema S,
CallExpr TheCall,
StringRef  FeatureToCheck,
unsigned  DiagID,
StringRef  DiagArg = "" 
)
static

Definition at line 3305 of file SemaChecking.cpp.

◆ SemaOpenCLBuiltinEnqueueKernel()

static bool SemaOpenCLBuiltinEnqueueKernel ( Sema S,
CallExpr TheCall 
)
static

OpenCL C v2.0, s6.13.17 - Enqueue kernel function contains four different overload formats specified in Table 6.13.17.1.

int enqueue_kernel(queue_t queue, kernel_enqueue_flags_t flags, const ndrange_t ndrange, void (^block)(void)) int enqueue_kernel(queue_t queue, kernel_enqueue_flags_t flags, const ndrange_t ndrange, uint num_events_in_wait_list, clk_event_t event_wait_list, clk_event_t *event_ret, void (^block)(void)) int enqueue_kernel(queue_t queue, kernel_enqueue_flags_t flags, const ndrange_t ndrange, void (^block)(local void, ...), uint size0, ...) int enqueue_kernel(queue_t queue, kernel_enqueue_flags_t flags, const ndrange_t ndrange, uint num_events_in_wait_list, clk_event_t event_wait_list, clk_event_t *event_ret, void (^block)(local void, ...), uint size0, ...)

Definition at line 966 of file SemaChecking.cpp.

◆ SemaOpenCLBuiltinKernelWorkGroupSize()

static bool SemaOpenCLBuiltinKernelWorkGroupSize ( Sema S,
CallExpr TheCall 
)
static

OpenCL C v2.0, s6.13.17.6 - Check the argument to the get_kernel_work_group_size and get_kernel_preferred_work_group_size_multiple builtin functions.

Definition at line 890 of file SemaChecking.cpp.

◆ SemaOpenCLBuiltinNDRangeAndBlock()

static bool SemaOpenCLBuiltinNDRangeAndBlock ( Sema S,
CallExpr TheCall 
)
static

Definition at line 863 of file SemaChecking.cpp.

◆ SemaOpenCLBuiltinToAddr()

static bool SemaOpenCLBuiltinToAddr ( Sema S,
unsigned  BuiltinID,
CallExpr Call 
)
static

Definition at line 1291 of file SemaChecking.cpp.

◆ ShouldDiagnoseEmptyStmtBody()

static bool ShouldDiagnoseEmptyStmtBody ( const SourceManager SourceMgr,
SourceLocation  StmtLoc,
const NullStmt Body 
)
static

◆ shouldNotPrintDirectly()

static std::pair<QualType, StringRef> shouldNotPrintDirectly ( const ASTContext Context,
QualType  IntendedTy,
const Expr E 
)
static

Definition at line 9115 of file SemaChecking.cpp.

References clang::Type::getAs().

◆ sumOffsets()

static void sumOffsets ( llvm::APSInt Offset,
llvm::APSInt  Addend,
BinaryOperatorKind  BinOpKind,
bool  AddendIsRight 
)
static

Definition at line 7588 of file SemaChecking.cpp.

References max(), and Offset.

x
IRgen optimization opportunities The common pattern of short x
Definition: README.txt:7
clang::Builtin::ID
ID
Definition: Builtins.h:48