#include "CodeGenFunction.h"#include "CGCXXABI.h"#include "CGCall.h"#include "CGDebugInfo.h"#include "CGObjCRuntime.h"#include "CGOpenMPRuntime.h"#include "CGRecordLayout.h"#include "CodeGenModule.h"#include "TargetInfo.h"#include "clang/AST/ASTContext.h"#include "clang/AST/DeclObjC.h"#include "clang/AST/Attr.h"#include "clang/Frontend/CodeGenOptions.h"#include "llvm/ADT/Hashing.h"#include "llvm/ADT/StringExtras.h"#include "llvm/IR/DataLayout.h"#include "llvm/IR/Intrinsics.h"#include "llvm/IR/LLVMContext.h"#include "llvm/IR/MDBuilder.h"#include "llvm/Support/ConvertUTF.h"
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Enumeration Type Documentation
| enum CheckRecoverableKind |
Specify under what conditions this check can be recovered.
Definition at line 2203 of file CGExpr.cpp.
| enum ConstantEmissionKind |
Can we constant-emit a load of a reference to a variable of the given type? This is different from predicates like Decl::isUsableInConstantExpressions because we do want it to apply in situations that don't necessarily satisfy the language's rules for this (e.g. C++'s ODR-use rules). For example, we want to able to do this with const float variables even if those variables aren't marked 'constexpr'.
Definition at line 943 of file CGExpr.cpp.
Function Documentation
| static ConstantEmissionKind checkVarTypeForConstantEmission | ( | QualType | type | ) | [static] |
Definition at line 949 of file CGExpr.cpp.
References CEK_AsReferenceOnly, CEK_AsValueOnly, CEK_AsValueOrReference, CEK_None, clang::QualType::getCanonicalType(), and isConstantEmittableObjectType().
Referenced by clang::CodeGen::CodeGenFunction::tryEmitAsConstant().
| static llvm::Value* createReferenceTemporary | ( | CodeGenFunction & | CGF, |
| const MaterializeTemporaryExpr * | M, | ||
| const Expr * | Inner | ||
| ) | [static] |
Definition at line 299 of file CGExpr.cpp.
References clang::CodeGen::CodeGenFunction::CGM, clang::CodeGen::CodeGenFunction::CreateMemTemp(), clang::CodeGen::CodeGenModule::GetAddrOfGlobalTemporary(), clang::MaterializeTemporaryExpr::getStorageDuration(), clang::Expr::getType(), clang::SD_Automatic, clang::SD_Dynamic, clang::SD_FullExpression, clang::SD_Static, and clang::SD_Thread.
Referenced by clang::CodeGen::CodeGenFunction::EmitMaterializeTemporaryExpr().
| static llvm::Value* EmitBitCastOfLValueToProperType | ( | CodeGenFunction & | CGF, |
| llvm::Value * | V, | ||
| llvm::Type * | IRType, | ||
| StringRef | Name = StringRef() |
||
| ) | [static] |
Definition at line 1797 of file CGExpr.cpp.
References clang::CodeGen::CodeGenFunction::Builder.
Referenced by EmitGlobalVarDeclLValue(), clang::CodeGen::CodeGenFunction::EmitLValueForField(), clang::CodeGen::CodeGenFunction::EmitLValueForFieldInitialization(), and EmitThreadPrivateVarDeclLValue().
| static LValue EmitCapturedFieldLValue | ( | CodeGenFunction & | CGF, |
| const FieldDecl * | FD, | ||
| llvm::Value * | ThisValue | ||
| ) | [static] |
Definition at line 1862 of file CGExpr.cpp.
References clang::CodeGen::CodeGenFunction::EmitLValueForField(), clang::CodeGen::CodeGenFunction::getContext(), clang::FieldDecl::getParent(), clang::ASTContext::getTagDeclType(), and clang::CodeGen::CodeGenFunction::MakeNaturalAlignAddrLValue().
Referenced by clang::CodeGen::CodeGenFunction::EmitDeclRefLValue().
| static LValue EmitFunctionDeclLValue | ( | CodeGenFunction & | CGF, |
| const Expr * | E, | ||
| const FunctionDecl * | FD | ||
| ) | [static] |
Definition at line 1843 of file CGExpr.cpp.
References clang::CodeGen::CodeGenFunction::Builder, clang::CodeGen::CodeGenFunction::CGM, clang::CodeGen::CodeGenFunction::ConvertType(), clang::CodeGen::CodeGenModule::GetAddrOfFunction(), clang::Type::getAs(), clang::CodeGen::CodeGenFunction::getContext(), clang::ASTContext::getDeclAlign(), clang::ASTContext::getFunctionNoProtoType(), clang::ASTContext::getPointerType(), clang::Expr::getType(), clang::ValueDecl::getType(), clang::FunctionDecl::hasPrototype(), and clang::CodeGen::CodeGenFunction::MakeAddrLValue().
Referenced by clang::CodeGen::CodeGenFunction::EmitDeclRefLValue(), and clang::CodeGen::CodeGenFunction::EmitMemberExpr().
| static LValue EmitGlobalNamedRegister | ( | const VarDecl * | VD, |
| CodeGenModule & | CGM, | ||
| CharUnits | Alignment | ||
| ) | [static] |
Named Registers are named metadata pointing to the register name which will be read from/written to as an argument to the intrinsic .read/write_register. So far, only the name is being passed down, but other options such as register type, allocation type or even optimization options could be passed down via the metadata node.
Definition at line 1875 of file CGExpr.cpp.
References clang::Decl::getAttr(), clang::CodeGen::CodeGenModule::getLLVMContext(), clang::CodeGen::CodeGenModule::getModule(), clang::ValueDecl::getType(), and clang::CodeGen::LValue::MakeGlobalReg().
Referenced by clang::CodeGen::CodeGenFunction::EmitDeclRefLValue().
| static LValue EmitGlobalVarDeclLValue | ( | CodeGenFunction & | CGF, |
| const Expr * | E, | ||
| const VarDecl * | VD | ||
| ) | [static] |
Definition at line 1812 of file CGExpr.cpp.
References clang::CodeGen::CodeGenFunction::Builder, clang::CodeGen::CodeGenFunction::CGM, clang::CodeGen::CodeGenTypes::ConvertTypeForMem(), EmitBitCastOfLValueToProperType(), clang::CodeGen::CGCXXABI::EmitThreadLocalVarDeclLValue(), EmitThreadPrivateVarDeclLValue(), clang::CodeGen::CodeGenModule::GetAddrOfGlobalVar(), clang::CodeGen::CodeGenFunction::getContext(), clang::CodeGen::CodeGenModule::getCXXABI(), clang::ASTContext::getDeclAlign(), clang::Expr::getExprLoc(), clang::CodeGen::CodeGenFunction::getLangOpts(), clang::CharUnits::getQuantity(), clang::VarDecl::getTLSKind(), clang::Expr::getType(), clang::ValueDecl::getType(), clang::CodeGen::CodeGenFunction::getTypes(), clang::Decl::hasAttr(), clang::Type::isReferenceType(), clang::CodeGen::CodeGenFunction::MakeAddrLValue(), clang::CodeGen::CodeGenFunction::MakeNaturalAlignAddrLValue(), setObjCGCLValueClass(), clang::VarDecl::TLS_Dynamic, and clang::CodeGen::CGCXXABI::usesThreadWrapperFunction().
Referenced by clang::CodeGen::CodeGenFunction::EmitDeclRefLValue(), and clang::CodeGen::CodeGenFunction::EmitMemberExpr().
| static llvm::Value* emitHash16Bytes | ( | CGBuilderTy & | Builder, |
| llvm::Value * | Low, | ||
| llvm::Value * | High | ||
| ) | [static] |
Emit the hash_16_bytes function from include/llvm/ADT/Hashing.h.
Definition at line 449 of file CGExpr.cpp.
Referenced by clang::CodeGen::CodeGenFunction::EmitTypeCheck().
| static Optional<LValue> EmitLValueOrThrowExpression | ( | CodeGenFunction & | CGF, |
| const Expr * | Operand | ||
| ) | [static] |
Emit the operand of a glvalue conditional operator. This is either a glvalue or a (possibly-parenthesized) throw-expression. If this is a throw, no LValue is returned and the current block has been terminated.
Definition at line 2764 of file CGExpr.cpp.
References clang::CodeGen::CodeGenFunction::EmitCXXThrowExpr(), clang::CodeGen::CodeGenFunction::EmitLValue(), and clang::Expr::IgnoreParens().
Referenced by clang::CodeGen::CodeGenFunction::EmitConditionalOperatorLValue().
| static LValueOrRValue emitPseudoObjectExpr | ( | CodeGenFunction & | CGF, |
| const PseudoObjectExpr * | E, | ||
| bool | forLValue, | ||
| AggValueSlot | slot | ||
| ) | [static] |
Definition at line 3422 of file CGExpr.cpp.
References clang::CodeGen::AggValueSlot::asRValue(), clang::CodeGen::CodeGenFunction::EmitAggExpr(), clang::CodeGen::CodeGenFunction::EmitAnyExpr(), clang::CodeGen::CodeGenFunction::EmitIgnoredExpr(), clang::CodeGen::CodeGenFunction::EmitLValue(), clang::CodeGen::AggValueSlot::getAddr(), clang::PseudoObjectExpr::getResultExpr(), clang::CodeGen::CodeGenFunction::hasAggregateEvaluationKind(), clang::Expr::isRValue(), clang::CodeGen::CodeGenFunction::MakeAddrLValue(), clang::PseudoObjectExpr::semantics_begin(), and clang::PseudoObjectExpr::semantics_end().
Referenced by clang::CodeGen::CodeGenFunction::EmitPseudoObjectLValue(), and clang::CodeGen::CodeGenFunction::EmitPseudoObjectRValue().
| static LValue EmitThreadPrivateVarDeclLValue | ( | CodeGenFunction & | CGF, |
| const VarDecl * | VD, | ||
| QualType | T, | ||
| llvm::Value * | V, | ||
| llvm::Type * | RealVarTy, | ||
| CharUnits | Alignment, | ||
| SourceLocation | Loc | ||
| ) | [static] |
Definition at line 1804 of file CGExpr.cpp.
References clang::CodeGen::CodeGenFunction::CGM, EmitBitCastOfLValueToProperType(), clang::CodeGen::CodeGenModule::getOpenMPRuntime(), and clang::CodeGen::CodeGenFunction::MakeAddrLValue().
Referenced by clang::CodeGen::CodeGenFunction::EmitDeclRefLValue(), and EmitGlobalVarDeclLValue().
| static llvm::Constant* GenerateConstantVector | ( | CGBuilderTy & | Builder, |
| SmallVectorImpl< unsigned > & | Elts | ||
| ) | [static] |
Definition at line 2485 of file CGExpr.cpp.
Referenced by clang::CodeGen::CodeGenFunction::EmitExtVectorElementExpr().
| static llvm::Value* getArrayIndexingBound | ( | CodeGenFunction & | CGF, |
| const Expr * | Base, | ||
| QualType & | IndexedType | ||
| ) | [static] |
If Base is known to point to the start of an array, return the length of that array. Return 0 if the length cannot be determined.
Definition at line 653 of file CGExpr.cpp.
References clang::CodeGen::CodeGenFunction::Builder, clang::Type::castAsArrayTypeUnsafe(), clang::CK_ArrayToPointerDecay, clang::Type::getAs(), clang::Expr::getType(), clang::CodeGen::CodeGenFunction::getVLASize(), clang::Expr::IgnoreParens(), and isFlexibleArrayMemberExpr().
Referenced by clang::CodeGen::CodeGenFunction::EmitBoundsCheck().
| static bool getRangeForType | ( | CodeGenFunction & | CGF, |
| QualType | Ty, | ||
| llvm::APInt & | Min, | ||
| llvm::APInt & | End, | ||
| bool | StrictEnums | ||
| ) | [static] |
Definition at line 1049 of file CGExpr.cpp.
References clang::CodeGen::CodeGenFunction::ConvertTypeForMem(), clang::Type::getAs(), clang::CodeGen::CodeGenFunction::getContext(), clang::EnumType::getDecl(), clang::EnumDecl::getIntegerType(), clang::CodeGen::CodeGenFunction::getLangOpts(), clang::EnumDecl::getNumNegativeBits(), clang::EnumDecl::getNumPositiveBits(), clang::ASTContext::getTypeSize(), hasBooleanRepresentation(), and clang::EnumDecl::isFixed().
Referenced by clang::CodeGen::CodeGenFunction::EmitLoadOfScalar().
| static CheckRecoverableKind getRecoverableKind | ( | SanitizerKind | Kind | ) | [static] |
Definition at line 2213 of file CGExpr.cpp.
Referenced by clang::CodeGen::CodeGenFunction::EmitCheck().
| static bool hasBooleanRepresentation | ( | QualType | Ty | ) | [static] |
Definition at line 1036 of file CGExpr.cpp.
References clang::Type::getAs(), and clang::Type::isBooleanType().
Referenced by clang::CodeGen::CodeGenFunction::EmitFromMemory(), clang::CodeGen::CodeGenFunction::EmitLoadOfScalar(), clang::CodeGen::CodeGenFunction::EmitStoreThroughBitfieldLValue(), clang::CodeGen::CodeGenFunction::EmitToMemory(), and getRangeForType().
| static bool isConstantEmittableObjectType | ( | QualType | type | ) | [static] |
Given an object of the given canonical type, can we safely copy a value out of it based on its initializer?
Definition at line 918 of file CGExpr.cpp.
References clang::QualType::getLocalQualifiers(), clang::QualType::isCanonical(), and clang::Type::isReferenceType().
Referenced by checkVarTypeForConstantEmission().
| static bool isFlexibleArrayMemberExpr | ( | const Expr * | E | ) | [static] |
Determine whether this expression refers to a flexible array member in a struct. We disable array bounds checks for such members.
Definition at line 625 of file CGExpr.cpp.
References clang::Type::castAsArrayTypeUnsafe(), clang::Expr::getType(), and clang::Expr::IgnoreParens().
Referenced by getArrayIndexingBound().
| static const Expr* isSimpleArrayDecayOperand | ( | const Expr * | E | ) | [static] |
isSimpleArrayDecayOperand - If the specified expr is a simple decay from an array to pointer, return the array subexpression.
Definition at line 2339 of file CGExpr.cpp.
References clang::CK_ArrayToPointerDecay, clang::Expr::getType(), and clang::Type::isVariableArrayType().
Referenced by clang::CodeGen::CodeGenFunction::EmitArraySubscriptExpr().
| static void pushTemporaryCleanup | ( | CodeGenFunction & | CGF, |
| const MaterializeTemporaryExpr * | M, | ||
| const Expr * | E, | ||
| llvm::Value * | ReferenceTemporary | ||
| ) | [static] |
Definition at line 179 of file CGExpr.cpp.
References clang::CodeGen::CodeGenFunction::CGM, clang::CodeGen::Complete, clang::CodeGen::CodeGenFunction::destroyARCStrongImprecise, clang::CodeGen::CodeGenFunction::destroyARCStrongPrecise, clang::CodeGen::CodeGenFunction::destroyARCWeak, clang::CodeGen::CodeGenFunction::destroyCXXObject, clang::CodeGen::EHCleanup, clang::CodeGen::CodeGenFunction::generateDestroyHelper(), clang::CodeGen::CodeGenModule::getAddrOfCXXStructor(), clang::CodeGen::CodeGenFunction::getARCCleanupKind(), clang::Type::getAs(), clang::Type::getBaseElementTypeUnsafe(), clang::CodeGen::CodeGenModule::getCXXABI(), clang::MaterializeTemporaryExpr::getExtendingDecl(), clang::CodeGen::CodeGenFunction::getLangOpts(), clang::QualType::getObjCLifetime(), clang::MaterializeTemporaryExpr::getStorageDuration(), clang::Expr::getType(), clang::Decl::hasAttr(), clang::CodeGen::CodeGenTypeCache::Int8PtrTy, clang::Type::isArrayType(), clang::Type::isObjCLifetimeType(), clang::CodeGen::NormalAndEHCleanup, clang::Qualifiers::OCL_Autoreleasing, clang::Qualifiers::OCL_ExplicitNone, clang::Qualifiers::OCL_None, clang::Qualifiers::OCL_Strong, clang::Qualifiers::OCL_Weak, clang::CodeGen::CodeGenFunction::pushDestroy(), clang::CodeGen::CodeGenFunction::pushLifetimeExtendedDestroy(), clang::CodeGen::CGCXXABI::registerGlobalDtor(), clang::SD_Automatic, clang::SD_Dynamic, clang::SD_FullExpression, clang::SD_Static, and clang::SD_Thread.
Referenced by clang::CodeGen::CodeGenFunction::EmitMaterializeTemporaryExpr().
| static void setObjCGCLValueClass | ( | const ASTContext & | Ctx, |
| const Expr * | E, | ||
| LValue & | LV, | ||
| bool | IsMemberAccess = false |
||
| ) | [static] |
Definition at line 1699 of file CGExpr.cpp.
References clang::Type::getAs(), clang::ASTContext::getLangOpts(), clang::PointerType::getPointeeType(), clang::Expr::getType(), clang::Type::isArrayType(), clang::CodeGen::LValue::isGlobalObjCRef(), clang::CodeGen::LValue::isObjCArray(), clang::CodeGen::LValue::isObjCIvar(), clang::Type::isPointerType(), clang::Type::isRecordType(), clang::LangOptions::NonGC, clang::CodeGen::LValue::setBaseIvarExp(), clang::CodeGen::LValue::setGlobalObjCRef(), clang::CodeGen::LValue::setObjCArray(), clang::CodeGen::LValue::setObjCIvar(), clang::CodeGen::LValue::setThreadLocalRef(), and clang::VarDecl::TLS_None.
Referenced by clang::CodeGen::CodeGenFunction::EmitArraySubscriptExpr(), clang::CodeGen::CodeGenFunction::EmitDeclRefLValue(), EmitGlobalVarDeclLValue(), clang::CodeGen::CodeGenFunction::EmitMemberExpr(), and clang::CodeGen::CodeGenFunction::EmitObjCIvarRefLValue().