clang
8.0.0
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#include "CodeGenFunction.h"
#include "CGCUDARuntime.h"
#include "CGCXXABI.h"
#include "CGDebugInfo.h"
#include "CGObjCRuntime.h"
#include "ConstantEmitter.h"
#include "clang/Basic/CodeGenOptions.h"
#include "clang/CodeGen/CGFunctionInfo.h"
#include "llvm/IR/CallSite.h"
#include "llvm/IR/Intrinsics.h"
Go to the source code of this file.
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static MemberCallInfo | commonEmitCXXMemberOrOperatorCall (CodeGenFunction &CGF, const CXXMethodDecl *MD, llvm::Value *This, llvm::Value *ImplicitParam, QualType ImplicitParamTy, const CallExpr *CE, CallArgList &Args, CallArgList *RtlArgs) |
static CXXRecordDecl * | getCXXRecord (const Expr *E) |
static void | EmitNullBaseClassInitialization (CodeGenFunction &CGF, Address DestPtr, const CXXRecordDecl *Base) |
static CharUnits | CalculateCookiePadding (CodeGenFunction &CGF, const CXXNewExpr *E) |
static llvm::Value * | EmitCXXNewAllocSize (CodeGenFunction &CGF, const CXXNewExpr *e, unsigned minElements, llvm::Value *&numElements, llvm::Value *&sizeWithoutCookie) |
static void | StoreAnyExprIntoOneUnit (CodeGenFunction &CGF, const Expr *Init, QualType AllocType, Address NewPtr, AggValueSlot::Overlap_t MayOverlap) |
static void | EmitNewInitializer (CodeGenFunction &CGF, const CXXNewExpr *E, QualType ElementType, llvm::Type *ElementTy, Address NewPtr, llvm::Value *NumElements, llvm::Value *AllocSizeWithoutCookie) |
static RValue | EmitNewDeleteCall (CodeGenFunction &CGF, const FunctionDecl *CalleeDecl, const FunctionProtoType *CalleeType, const CallArgList &Args) |
Emit a call to an operator new or operator delete function, as implicitly created by new-expressions and delete-expressions. More... | |
static UsualDeleteParams | getUsualDeleteParams (const FunctionDecl *FD) |
static void | EnterNewDeleteCleanup (CodeGenFunction &CGF, const CXXNewExpr *E, Address NewPtr, llvm::Value *AllocSize, CharUnits AllocAlign, const CallArgList &NewArgs) |
Enter a cleanup to call 'operator delete' if the initializer in a new-expression throws. More... | |
static void | EmitDestroyingObjectDelete (CodeGenFunction &CGF, const CXXDeleteExpr *DE, Address Ptr, QualType ElementType) |
Emit the code for deleting a single object with a destroying operator delete. More... | |
static void | EmitObjectDelete (CodeGenFunction &CGF, const CXXDeleteExpr *DE, Address Ptr, QualType ElementType) |
Emit the code for deleting a single object. More... | |
static void | EmitArrayDelete (CodeGenFunction &CGF, const CXXDeleteExpr *E, Address deletedPtr, QualType elementType) |
Emit the code for deleting an array of objects. More... | |
static bool | isGLValueFromPointerDeref (const Expr *E) |
static llvm::Value * | EmitTypeidFromVTable (CodeGenFunction &CGF, const Expr *E, llvm::Type *StdTypeInfoPtrTy) |
static llvm::Value * | EmitDynamicCastToNull (CodeGenFunction &CGF, QualType DestTy) |
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Definition at line 667 of file CGExprCXX.cpp.
References clang::CodeGen::CodeGenFunction::CGM, clang::CodeGen::CGCXXABI::GetArrayCookieSize(), clang::CodeGen::CodeGenModule::getCXXABI(), clang::CXXNewExpr::getOperatorNew(), clang::CXXNewExpr::isArray(), clang::FunctionDecl::isReservedGlobalPlacementOperator(), and clang::CharUnits::Zero().
Referenced by EmitCXXNewAllocSize().
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Definition at line 37 of file CGExprCXX.cpp.
References clang::CodeGen::CallArgList::add(), clang::CodeGen::CallArgList::addFrom(), clang::CallExpr::arguments(), clang::Type::castAs(), clang::CodeGen::CodeGenFunction::CGM, clang::CodeGen::CodeGenFunction::EmitCallArgs(), clang::CodeGen::RequiredArgs::forPrototypePlus(), clang::CodeGen::RValue::get(), clang::CodeGen::CodeGenFunction::getContext(), clang::CodeGen::CodeGenModule::getCXXABI(), clang::CallExpr::getDirectCallee(), clang::FunctionProtoType::getNumParams(), clang::CodeGen::CGCXXABI::getThisArgumentTypeForMethod(), clang::ValueDecl::getType(), and clang::CXXMethodDecl::isInstance().
Referenced by clang::CodeGen::CodeGenFunction::EmitCXXDestructorCall(), and clang::CodeGen::CodeGenFunction::EmitCXXMemberOrOperatorCall().
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Emit the code for deleting an array of objects.
Definition at line 1954 of file CGExprCXX.cpp.
References clang::CharUnits::alignmentOfArrayElement(), clang::CodeGen::CodeGenFunction::Builder, clang::CodeGen::CodeGenFunction::CGM, clang::CodeGen::CodeGenFunction::EHStack, clang::CodeGen::CodeGenFunction::emitArrayDestroy(), clang::CodeGen::Address::getAlignment(), clang::CodeGen::CodeGenFunction::getContext(), clang::CodeGen::CodeGenModule::getCXXABI(), clang::CodeGen::CodeGenFunction::getDestroyer(), clang::CXXDeleteExpr::getOperatorDelete(), clang::CodeGen::Address::getPointer(), clang::ASTContext::getTypeSizeInChars(), clang::CodeGen::CodeGenFunction::needsEHCleanup(), clang::CodeGen::NormalAndEHCleanup, clang::CodeGen::CodeGenFunction::PopCleanupBlock(), and clang::CodeGen::CGCXXABI::ReadArrayCookie().
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Definition at line 680 of file CGExprCXX.cpp.
References clang::CodeGen::CodeGenFunction::Builder, CalculateCookiePadding(), clang::CodeGen::CodeGenFunction::CGM, clang::CodeGen::CodeGenFunction::EmitScalarExpr(), clang::CXXNewExpr::getAllocatedType(), clang::CXXNewExpr::getArraySize(), clang::ASTContext::getAsConstantArrayType(), clang::CodeGen::CodeGenFunction::getContext(), clang::CodeGen::CodeGenModule::getIntrinsic(), clang::CharUnits::getQuantity(), clang::Expr::getType(), clang::ASTContext::getTypeSizeInChars(), clang::CXXNewExpr::isArray(), clang::CharUnits::isOne(), clang::Type::isSignedIntegerOrEnumerationType(), clang::CodeGen::CodeGenTypeCache::SizeTy, and clang::CodeGen::ConstantEmitter::tryEmitAbstract().
Referenced by clang::CodeGen::CodeGenFunction::EmitCXXNewExpr().
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Emit the code for deleting a single object with a destroying operator delete.
If the element type has a non-virtual destructor, Ptr has already been converted to the type of the parameter of 'operator delete'. Otherwise Ptr points to an object of the static type.
Definition at line 1853 of file CGExprCXX.cpp.
References clang::CodeGen::CodeGenFunction::CGM, clang::CodeGen::CodeGenFunction::EmitDeleteCall(), clang::CodeGen::CGCXXABI::emitVirtualObjectDelete(), clang::Type::getAsCXXRecordDecl(), clang::CodeGen::CodeGenModule::getCXXABI(), clang::CXXRecordDecl::getDestructor(), clang::CXXDeleteExpr::getOperatorDelete(), and clang::CodeGen::Address::getPointer().
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C++ [expr.dynamic.cast]p9: A failed cast to reference type throws std::bad_cast
Definition at line 2151 of file CGExprCXX.cpp.
References clang::CodeGen::CodeGenFunction::CGM, clang::CodeGen::CodeGenFunction::ConvertType(), clang::CodeGen::CodeGenFunction::createBasicBlock(), clang::CodeGen::CGCXXABI::EmitBadCastCall(), clang::CodeGen::CodeGenFunction::EmitBlock(), clang::CodeGen::CodeGenModule::getCXXABI(), clang::Type::isPointerType(), and clang::CodeGen::Type.
Referenced by clang::CodeGen::CodeGenFunction::EmitDynamicCast().
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Emit a call to an operator new or operator delete function, as implicitly created by new-expressions and delete-expressions.
C++1y [expr.new]p10: [In a new-expression,] an implementation is allowed to omit a call to a replaceable global allocation function.
We model such elidable calls with the 'builtin' attribute.
Definition at line 1292 of file CGExprCXX.cpp.
References clang::CodeGen::CodeGenTypes::arrangeFreeFunctionCall(), clang::CodeGen::CodeGenFunction::CGM, clang::CodeGen::CodeGenFunction::EmitCall(), clang::CodeGen::CGCallee::forDirect(), clang::CodeGen::CodeGenModule::GetAddrOfFunction(), clang::CodeGen::CodeGenModule::getTypes(), and clang::FunctionDecl::isReplaceableGlobalAllocationFunction().
Referenced by clang::CodeGen::CodeGenFunction::EmitCXXNewExpr(), and getUsualDeleteParams().
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Definition at line 1277 of file CGExprCXX.cpp.
References clang::CodeGen::AggValueSlot::DoesNotOverlap, clang::CodeGen::CodeGenFunction::EmitNewArrayInitializer(), clang::CXXNewExpr::getAllocatedType(), clang::CXXNewExpr::getInitializer(), clang::CXXNewExpr::isArray(), and StoreAnyExprIntoOneUnit().
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Definition at line 483 of file CGExprCXX.cpp.
References clang::CodeGen::CodeGenFunction::Builder, clang::CodeGen::CodeGenFunction::CGM, clang::CodeGen::CGBuilderTy::CreateConstInBoundsByteGEP(), clang::CodeGen::CGBuilderTy::CreateElementBitCast(), clang::CodeGen::CGBuilderTy::CreateMemCpy(), clang::CodeGen::CGBuilderTy::CreateMemSet(), clang::CodeGen::CodeGenFunction::EmitCastToVoidPtr(), clang::CodeGen::CodeGenModule::EmitNullConstantForBase(), clang::CodeGen::Address::getAlignment(), clang::ASTContext::getASTRecordLayout(), clang::CodeGen::CodeGenFunction::getContext(), clang::CodeGen::CodeGenModule::getCXXABI(), clang::CodeGen::CodeGenModule::getModule(), clang::ASTRecordLayout::getNonVirtualAlignment(), clang::ASTRecordLayout::getNonVirtualSize(), clang::CodeGen::CodeGenTypeCache::getPointerSize(), clang::CodeGen::CodeGenModule::getSize(), clang::CodeGen::CGCXXABI::getVBPtrOffsets(), clang::CodeGen::CodeGenTypeCache::Int8Ty, clang::CXXRecordDecl::isEmpty(), clang::CharUnits::isNegative(), clang::CharUnits::isZero(), max(), and clang::CharUnits::Zero().
Referenced by clang::CodeGen::CodeGenFunction::EmitCXXConstructExpr().
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Emit the code for deleting a single object.
Definition at line 1865 of file CGExprCXX.cpp.
References clang::CodeGen::ARCPreciseLifetime, clang::CodeGen::CodeGenFunction::CGM, clang::Dtor_Complete, clang::CodeGen::CodeGenFunction::EHStack, clang::CodeGen::CodeGenFunction::EmitARCDestroyStrong(), clang::CodeGen::CodeGenFunction::EmitARCDestroyWeak(), clang::CodeGen::CodeGenFunction::EmitCXXDestructorCall(), clang::CodeGen::CodeGenFunction::EmitDeleteCall(), clang::CodeGen::CodeGenFunction::EmitTypeCheck(), clang::CodeGen::CGCXXABI::emitVirtualObjectDelete(), clang::Type::getAs(), clang::CodeGen::CodeGenModule::getCXXABI(), clang::CXXRecordDecl::getDestructor(), clang::Expr::getExprLoc(), clang::QualType::getObjCLifetime(), clang::CXXDeleteExpr::getOperatorDelete(), clang::CodeGen::Address::getPointer(), clang::CXXRecordDecl::hasDefinition(), clang::CXXRecordDecl::hasTrivialDestructor(), clang::FunctionDecl::isDestroyingOperatorDelete(), 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::PopCleanupBlock(), and clang::CodeGen::CodeGenFunction::TCK_MemberCall.
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Definition at line 2087 of file CGExprCXX.cpp.
References clang::CodeGen::CodeGenFunction::Builder, clang::CodeGen::CodeGenFunction::CGM, clang::CodeGen::CodeGenFunction::createBasicBlock(), clang::CodeGen::CGCXXABI::EmitBadTypeidCall(), clang::CodeGen::CodeGenFunction::EmitBlock(), clang::CodeGen::CodeGenFunction::EmitLValue(), clang::CodeGen::CodeGenFunction::EmitTypeCheck(), clang::CodeGen::CGCXXABI::EmitTypeid(), clang::CodeGen::LValue::getAddress(), clang::CodeGen::CodeGenModule::getCXXABI(), clang::Expr::getExprLoc(), clang::CodeGen::Address::getPointer(), clang::Expr::getType(), isGLValueFromPointerDeref(), clang::CodeGen::CGCXXABI::shouldTypeidBeNullChecked(), and clang::CodeGen::CodeGenFunction::TCK_DynamicOperation.
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Enter a cleanup to call 'operator delete' if the initializer in a new-expression throws.
Definition at line 1480 of file CGExprCXX.cpp.
References clang::CodeGen::EHCleanup, clang::CodeGen::CodeGenFunction::EHStack, clang::CodeGen::RValue::get(), clang::CXXNewExpr::getNumPlacementArgs(), clang::CXXNewExpr::getOperatorDelete(), clang::CodeGen::Address::getPointer(), clang::CodeGen::CodeGenFunction::initFullExprCleanup(), clang::CodeGen::CodeGenFunction::isInConditionalBranch(), clang::CXXNewExpr::passAlignment(), clang::CodeGen::EHScopeStack::pushCleanupWithExtra(), and clang::CodeGen::InvariantValue< T >::save().
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Definition at line 158 of file CGExprCXX.cpp.
References clang::Type::castAs(), clang::Type::getAs(), clang::RecordType::getDecl(), clang::Type::getPointeeType(), and clang::Expr::getType().
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Definition at line 1352 of file CGExprCXX.cpp.
References clang::CodeGen::CallArgList::add(), clang::Type::castAs(), EmitNewDeleteCall(), clang::CodeGen::RValue::get(), clang::Type::getAs(), clang::CodeGen::CodeGenFunction::getContext(), clang::FunctionProtoType::getParamType(), clang::CharUnits::getQuantity(), clang::ASTContext::getSizeType(), clang::ValueDecl::getType(), clang::Type::isAlignValT(), clang::FunctionDecl::isDestroyingOperatorDelete(), clang::Type::isIntegerType(), clang::FunctionProtoType::param_type_begin(), clang::FunctionProtoType::param_type_end(), and clang::CodeGen::CodeGenTypeCache::SizeTy.
Referenced by clang::CodeGen::CodeGenFunction::EmitDeleteCall().
Definition at line 2055 of file CGExprCXX.cpp.
References clang::Expr::IgnoreParens().
Referenced by EmitTypeidFromVTable().
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Definition at line 942 of file CGExprCXX.cpp.
References clang::CodeGen::AggValueSlot::DoesNotNeedGCBarriers, clang::CodeGen::CodeGenFunction::EmitAggExpr(), clang::CodeGen::CodeGenFunction::EmitComplexExprIntoLValue(), clang::CodeGen::CodeGenFunction::EmitScalarInit(), clang::CodeGen::AggValueSlot::forAddr(), clang::CodeGen::CodeGenFunction::getEvaluationKind(), clang::QualType::getQualifiers(), clang::CodeGen::AggValueSlot::IsDestructed, clang::CodeGen::AggValueSlot::IsNotAliased, clang::CodeGen::AggValueSlot::IsNotZeroed, clang::CodeGen::AggValueSlot::IsSanitizerChecked, clang::CodeGen::CodeGenFunction::MakeAddrLValue(), clang::CodeGen::TEK_Aggregate, clang::CodeGen::TEK_Complex, and clang::CodeGen::TEK_Scalar.
Referenced by EmitNewInitializer().