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clang: lib/CodeGen/CGCall.cpp File Reference

#include "CGCall.h"
#include "ABIInfo.h"
#include "ABIInfoImpl.h"
#include "CGBlocks.h"
#include "CGCXXABI.h"
#include "CGCleanup.h"
#include "CGRecordLayout.h"
#include "CodeGenFunction.h"
#include "CodeGenModule.h"
#include "TargetInfo.h"
#include "clang/AST/Attr.h"
#include "clang/AST/Decl.h"
#include "clang/AST/DeclCXX.h"
#include "clang/AST/DeclObjC.h"
#include "clang/Basic/CodeGenOptions.h"
#include "clang/Basic/TargetInfo.h"
#include "clang/CodeGen/CGFunctionInfo.h"
#include "clang/CodeGen/SwiftCallingConv.h"
#include "llvm/ADT/StringExtras.h"
#include "llvm/Analysis/ValueTracking.h"
#include "llvm/IR/Assumptions.h"
#include "llvm/IR/AttributeMask.h"
#include "llvm/IR/Attributes.h"
#include "llvm/IR/CallingConv.h"
#include "llvm/IR/DataLayout.h"
#include "llvm/IR/InlineAsm.h"
#include "llvm/IR/IntrinsicInst.h"
#include "llvm/IR/Intrinsics.h"
#include "llvm/IR/Type.h"
#include "llvm/Transforms/Utils/Local.h"
#include <optional>

Go to the source code of this file.

namespace   clang   The JSON file list parser is used to communicate input to InstallAPI.
  namespace   clang::CodeGen   static CanQual< FunctionProtoType >  GetFormalType (const CXXMethodDecl *MD)   Returns the canonical formal type of the given C++ method.
  static CanQualType  GetReturnType (QualType RetTy)   Returns the "extra-canonicalized" return type, which discards qualifiers on the return type.
  static void  addExtParameterInfosForCall (llvm::SmallVectorImpl< FunctionProtoType::ExtParameterInfo > &paramInfos, const FunctionProtoType *proto, unsigned prefixArgs, unsigned totalArgs)   static void  appendParameterTypes (const CodeGenTypes &CGT, SmallVectorImpl< CanQualType > &prefix, SmallVectorImpl< FunctionProtoType::ExtParameterInfo > &paramInfos, CanQual< FunctionProtoType > FPT)   Adds the formal parameters in FPT to the given prefix.
  static const CGFunctionInfo &  arrangeLLVMFunctionInfo (CodeGenTypes &CGT, bool instanceMethod, SmallVectorImpl< CanQualType > &prefix, CanQual< FunctionProtoType > FTP)   Arrange the LLVM function layout for a value of the given function type, on top of any implicit parameters already stored.
  static CallingConv  getCallingConventionForDecl (const ObjCMethodDecl *D, bool IsWindows)   static void  setCUDAKernelCallingConvention (CanQualType &FTy, CodeGenModule &CGM, const FunctionDecl *FD)   Set calling convention for CUDA/HIP kernel.
  static SmallVector< CanQualType, 16 >  getArgTypesForCall (ASTContext &ctx, const CallArgList &args)   static SmallVector< CanQualType, 16 >  getArgTypesForDeclaration (ASTContext &ctx, const FunctionArgList &args)   static llvm::SmallVector< FunctionProtoType::ExtParameterInfo, 16 >  getExtParameterInfosForCall (const FunctionProtoType *proto, unsigned prefixArgs, unsigned totalArgs)   static const CGFunctionInfo &  arrangeFreeFunctionLikeCall (CodeGenTypes &CGT, CodeGenModule &CGM, const CallArgList &args, const FunctionType *fnType, unsigned numExtraRequiredArgs, bool chainCall)   Arrange a call as unto a free function, except possibly with an additional number of formal parameters considered required.
  void  clang::CodeGen::computeSPIRKernelABIInfo (CodeGenModule &CGM, CGFunctionInfo &FI)   static std::unique_ptr< TypeExpansion >  getTypeExpansion (QualType Ty, const ASTContext &Context)   static int  getExpansionSize (QualType Ty, const ASTContext &Context)   static void  forConstantArrayExpansion (CodeGenFunction &CGF, ConstantArrayExpansion *CAE, Address BaseAddr, llvm::function_ref< void(Address)> Fn)   static RawAddress  CreateTempAllocaForCoercion (CodeGenFunction &CGF, llvm::Type *Ty, CharUnits MinAlign, const Twine &Name="tmp")   Create a temporary allocation for the purposes of coercion.
  static Address  EnterStructPointerForCoercedAccess (Address SrcPtr, llvm::StructType *SrcSTy, uint64_t DstSize, CodeGenFunction &CGF)   EnterStructPointerForCoercedAccess - Given a struct pointer that we are accessing some number of bytes out of it, try to gep into the struct to get at its inner goodness.
  static llvm::Value *  CoerceIntOrPtrToIntOrPtr (llvm::Value *Val, llvm::Type *Ty, CodeGenFunction &CGF)   CoerceIntOrPtrToIntOrPtr - Convert a value Val to the specific Ty where both are either integers or pointers.
  static llvm::Value *  CreateCoercedLoad (Address Src, llvm::Type *Ty, CodeGenFunction &CGF)   CreateCoercedLoad - Create a load from.
  static Address  emitAddressAtOffset (CodeGenFunction &CGF, Address addr, const ABIArgInfo &info)   static std::pair< llvm::Value *, bool >  CoerceScalableToFixed (CodeGenFunction &CGF, llvm::FixedVectorType *ToTy, llvm::ScalableVectorType *FromTy, llvm::Value *V, StringRef Name="")   static void  AddAttributesFromFunctionProtoType (ASTContext &Ctx, llvm::AttrBuilder &FuncAttrs, const FunctionProtoType *FPT)   static void  AddAttributesFromOMPAssumes (llvm::AttrBuilder &FuncAttrs, const Decl *Callee)   static bool  HasStrictReturn (const CodeGenModule &Module, QualType RetTy, const Decl *TargetDecl)   static void  addDenormalModeAttrs (llvm::DenormalMode FPDenormalMode, llvm::DenormalMode FP32DenormalMode, llvm::AttrBuilder &FuncAttrs)   Add denormal-fp-math and denormal-fp-math-f32 as appropriate for the requested denormal behavior, accounting for the overriding behavior of the -f32 case.
  static void  addMergableDefaultFunctionAttributes (const CodeGenOptions &CodeGenOpts, llvm::AttrBuilder &FuncAttrs)   Add default attributes to a function, which have merge semantics under -mlink-builtin-bitcode and should not simply overwrite any existing attributes in the linked library.
  static void  getTrivialDefaultFunctionAttributes (StringRef Name, bool HasOptnone, const CodeGenOptions &CodeGenOpts, const LangOptions &LangOpts, bool AttrOnCallSite, llvm::AttrBuilder &FuncAttrs)   static void  overrideFunctionFeaturesWithTargetFeatures (llvm::AttrBuilder &FuncAttr, const llvm::Function &F, const TargetOptions &TargetOpts)   Merges target-features from \TargetOpts and \F, and sets the result in \FuncAttr.
  static void  addNoBuiltinAttributes (llvm::AttrBuilder &FuncAttrs, const LangOptions &LangOpts, const NoBuiltinAttr *NBA=nullptr)   static bool  DetermineNoUndef (QualType QTy, CodeGenTypes &Types, const llvm::DataLayout &DL, const ABIArgInfo &AI, bool CheckCoerce=true)   static bool  IsArgumentMaybeUndef (const Decl *TargetDecl, unsigned NumRequiredArgs, unsigned ArgNo)   Check if the argument of a function has maybe_undef attribute.
  static bool  canApplyNoFPClass (const ABIArgInfo &AI, QualType ParamType, bool IsReturn)   Test if it's legal to apply nofpclass for the given parameter type and it's lowered IR type.
  static llvm::FPClassTest  getNoFPClassTestMask (const LangOptions &LangOpts)   Return the nofpclass mask that can be applied to floating-point parameters.
  static llvm::Value *  emitArgumentDemotion (CodeGenFunction &CGF, const VarDecl *var, llvm::Value *value)   An argument came in as a promoted argument; demote it back to its declared type.
  static const NonNullAttr *  getNonNullAttr (const Decl *FD, const ParmVarDecl *PVD, QualType ArgType, unsigned ArgNo)   Returns the attribute (either parameter attribute, or function attribute), which declares argument ArgNo to be non-null.
  static void  eraseUnusedBitCasts (llvm::Instruction *insn)   static llvm::Value *  tryEmitFusedAutoreleaseOfResult (CodeGenFunction &CGF, llvm::Value *result)   Try to emit a fused autorelease of a return result.
  static llvm::Value *  tryRemoveRetainOfSelf (CodeGenFunction &CGF, llvm::Value *result)   If this is a +1 of the value of an immutable 'self', remove it.
  static llvm::Value *  emitAutoreleaseOfResult (CodeGenFunction &CGF, llvm::Value *result)   Emit an ARC autorelease of the result of a function.
  static llvm::StoreInst *  findDominatingStoreToReturnValue (CodeGenFunction &CGF)   Heuristically search for a dominating store to the return-value slot.
  static void  setBitRange (SmallVectorImpl< uint64_t > &Bits, int BitOffset, int BitWidth, int CharWidth)   static void  setBitRange (SmallVectorImpl< uint64_t > &Bits, int StorageOffset, int StorageSize, int BitOffset, int BitWidth, int CharWidth, bool BigEndian)   static void  setUsedBits (CodeGenModule &, QualType, int, SmallVectorImpl< uint64_t > &)   static void  setUsedBits (CodeGenModule &CGM, const RecordType *RTy, int Offset, SmallVectorImpl< uint64_t > &Bits)   static void  setUsedBits (CodeGenModule &CGM, const ConstantArrayType *ATy, int Offset, SmallVectorImpl< uint64_t > &Bits)   static uint64_t  buildMultiCharMask (const SmallVectorImpl< uint64_t > &Bits, int Pos, int Size, int CharWidth, bool BigEndian)   static bool  isInAllocaArgument (CGCXXABI &ABI, QualType type)   static AggValueSlot  createPlaceholderSlot (CodeGenFunction &CGF, QualType Ty)   static bool  isProvablyNull (llvm::Value *addr)   static bool  isProvablyNonNull (Address Addr, CodeGenFunction &CGF)   static void  emitWriteback (CodeGenFunction &CGF, const CallArgList::Writeback &writeback)   Emit the actual writing-back of a writeback.
  static void  deactivateArgCleanupsBeforeCall (CodeGenFunction &CGF, const CallArgList &CallArgs)   static const Expr *  maybeGetUnaryAddrOfOperand (const Expr *E)   static void  emitWritebackArg (CodeGenFunction &CGF, CallArgList &args, const ObjCIndirectCopyRestoreExpr *CRE)   Emit an argument that's being passed call-by-writeback.
  static bool  hasInAllocaArgs (CodeGenModule &CGM, CallingConv ExplicitCC, ArrayRef< QualType > ArgTypes)   static bool  isObjCMethodWithTypeParams (const ObjCMethodDecl *method)   static unsigned  getMaxVectorWidth (const llvm::Type *Ty)   ◆ AddAttributesFromFunctionProtoType()

Definition at line 1767 of file CGCall.cpp.

References clang::FunctionType::ARM_In, clang::FunctionType::ARM_InOut, clang::FunctionType::ARM_Out, clang::FunctionType::ARM_Preserves, clang::FunctionProtoType::getAArch64SMEAttributes(), clang::FunctionType::getArmZAState(), clang::FunctionType::getArmZT0State(), clang::FunctionProtoType::getExceptionSpecType(), clang::FunctionProtoType::isNothrow(), clang::isUnresolvedExceptionSpec(), clang::FunctionType::SME_AgnosticZAStateMask, clang::FunctionType::SME_PStateSMCompatibleMask, and clang::FunctionType::SME_PStateSMEnabledMask.

Referenced by clang::CodeGen::CodeGenModule::ConstructAttributeList().

◆ AddAttributesFromOMPAssumes() static void AddAttributesFromOMPAssumes ( llvm::AttrBuilder &  FuncAttrs, const Decl *  Callee  ) static ◆ addDenormalModeAttrs() static void addDenormalModeAttrs ( llvm::DenormalMode  FPDenormalMode, llvm::DenormalMode  FP32DenormalMode, llvm::AttrBuilder &  FuncAttrs  ) static ◆ addExtParameterInfosForCall() ◆ addMergableDefaultFunctionAttributes() static void addMergableDefaultFunctionAttributes ( const CodeGenOptions &  CodeGenOpts, llvm::AttrBuilder &  FuncAttrs  ) static ◆ addNoBuiltinAttributes() static void addNoBuiltinAttributes ( llvm::AttrBuilder &  FuncAttrs, const LangOptions &  LangOpts, const NoBuiltinAttr *  NBA = nullptr  ) static ◆ appendParameterTypes() ◆ arrangeFreeFunctionLikeCall()

Arrange a call as unto a free function, except possibly with an additional number of formal parameters considered required.

Definition at line 590 of file CGCall.cpp.

References addExtParameterInfosForCall(), clang::CodeGen::RequiredArgs::All, clang::CodeGen::CodeGenTypes::arrangeLLVMFunctionInfo(), clang::CodeGen::RequiredArgs::forPrototypePlus(), clang::ASTContext::getCanonicalParamType(), clang::CodeGen::CodeGenTypes::getContext(), clang::FunctionType::getExtInfo(), clang::FunctionType::getReturnType(), GetReturnType(), clang::CodeGen::CodeGenModule::getTargetCodeGenInfo(), clang::CodeGen::IsChainCall, clang::CodeGen::TargetCodeGenInfo::isNoProtoCallVariadic(), and clang::CodeGen::None.

Referenced by clang::CodeGen::CodeGenTypes::arrangeBlockFunctionCall(), and clang::CodeGen::CodeGenTypes::arrangeFreeFunctionCall().

◆ arrangeLLVMFunctionInfo() ◆ buildMultiCharMask() ◆ canApplyNoFPClass() ◆ CoerceIntOrPtrToIntOrPtr() ◆ CoerceScalableToFixed() ◆ CreateCoercedLoad()

CreateCoercedLoad - Create a load from.

This safely handles the case when the src type is smaller than the destination type; in this situation the values of bits which not present in the src are undefined.

Definition at line 1262 of file CGCall.cpp.

References clang::CodeGen::CodeGenFunction::Builder, clang::CodeGen::CodeGenFunction::CGM, CoerceIntOrPtrToIntOrPtr(), clang::CodeGen::CGBuilderTy::CreateLoad(), clang::CodeGen::CGBuilderTy::CreateMemCpy(), CreateTempAllocaForCoercion(), clang::CodeGen::Address::emitRawPointer(), EnterStructPointerForCoercedAccess(), clang::CodeGen::RawAddress::getAlignment(), clang::CodeGen::Address::getAlignment(), clang::CharUnits::getAsAlign(), clang::CodeGen::CodeGenModule::getDataLayout(), clang::CodeGen::Address::getElementType(), clang::CodeGen::Address::getName(), clang::CodeGen::RawAddress::getPointer(), clang::CodeGen::CodeGenTypeCache::Int64Ty, clang::CodeGen::CodeGenTypeCache::IntPtrTy, clang::Result, and clang::CodeGen::Address::withElementType().

◆ createPlaceholderSlot()

Definition at line 4090 of file CGCall.cpp.

References clang::CodeGen::CodeGenFunction::Builder, clang::CodeGen::CodeGenFunction::ConvertTypeForMem(), clang::CodeGen::CGBuilderTy::CreateAlignedLoad(), clang::CodeGen::AggValueSlot::DoesNotNeedGCBarriers, clang::CodeGen::AggValueSlot::DoesNotOverlap, clang::CodeGen::AggValueSlot::forAddr(), clang::CharUnits::fromQuantity(), clang::CodeGen::CodeGenFunction::getLLVMContext(), clang::QualType::getQualifiers(), clang::CodeGen::AggValueSlot::IsNotAliased, and clang::CodeGen::AggValueSlot::IsNotDestructed.

◆ CreateTempAllocaForCoercion() ◆ deactivateArgCleanupsBeforeCall() ◆ DetermineNoUndef()

Definition at line 2204 of file CGCall.cpp.

References clang::CodeGen::ABIArgInfo::canHaveCoerceToType(), Complex, DetermineNoUndef(), clang::CodeGen::ABIArgInfo::Extend, clang::CodeGen::ABIArgInfo::getCoerceToType(), clang::CodeGen::ABIArgInfo::getKind(), clang::CodeGen::ABIArgInfo::Indirect, clang::CodeGen::ABIArgInfo::IndirectAliased, clang::Type::isBitIntType(), clang::Type::isMemberPointerType(), clang::CodeGen::ABIArgInfo::isNoExt(), clang::Type::isNullPtrType(), clang::Type::isReferenceType(), clang::Type::isScalarType(), and clang::Vector.

Referenced by clang::CodeGen::CodeGenModule::ConstructAttributeList(), and DetermineNoUndef().

◆ emitAddressAtOffset() ◆ emitArgumentDemotion() ◆ emitAutoreleaseOfResult() ◆ emitWriteback()

Emit the actual writing-back of a writeback.

Definition at line 4169 of file CGCall.cpp.

References clang::CodeGen::CodeGenFunction::Builder, clang::CodeGen::CodeGenFunction::createBasicBlock(), clang::CodeGen::CGBuilderTy::CreateIsNull(), clang::CodeGen::CGBuilderTy::CreateLoad(), clang::CodeGen::CodeGenFunction::EmitARCIntrinsicUse(), clang::CodeGen::CodeGenFunction::EmitARCRelease(), clang::CodeGen::CodeGenFunction::EmitARCRetainNonBlock(), clang::CodeGen::CodeGenFunction::EmitBlock(), clang::CodeGen::CodeGenFunction::EmitIgnoredExpr(), clang::CodeGen::CodeGenFunction::EmitLifetimeEnd(), clang::CodeGen::CodeGenFunction::EmitLoadOfScalar(), clang::CodeGen::CodeGenFunction::EmitStoreOfScalar(), clang::CodeGen::CodeGenFunction::EmitStoreThroughLValue(), clang::CodeGen::RValue::get(), clang::CodeGen::LValue::getAddress(), clang::CodeGen::Address::getBasePointer(), clang::CodeGen::Address::getElementType(), clang::CodeGen::LValue::getObjCLifetime(), clang::CodeGen::LValue::isARCPreciseLifetime(), isProvablyNonNull(), isProvablyNull(), clang::CodeGen::CallArgList::Writeback::LifetimeSz, clang::Qualifiers::OCL_Strong, clang::CodeGen::CallArgList::Writeback::Source, clang::CodeGen::CallArgList::Writeback::Temporary, clang::CodeGen::CallArgList::Writeback::ToUse, and clang::CodeGen::CallArgList::Writeback::WritebackExpr.

◆ emitWritebackArg()

Emit an argument that's being passed call-by-writeback.

That is, we are passing the address of an __autoreleased temporary; it might be copy-initialized with the current value of the given address, but it will definitely be copied out of after the call.

Definition at line 4265 of file CGCall.cpp.

References clang::CodeGen::CallArgList::add(), clang::CodeGen::CallArgList::addWriteback(), clang::CodeGen::CodeGenFunction::Builder, clang::Type::castAs(), clang::CodeGen::CodeGenFunction::CGM, clang::CodeGen::CodeGenFunction::ConvertType(), clang::CodeGen::CodeGenFunction::ConvertTypeForMem(), clang::CodeGen::CodeGenFunction::createBasicBlock(), clang::CodeGen::CGBuilderTy::CreateIsNull(), clang::CodeGen::CGBuilderTy::CreateStore(), clang::CodeGen::CodeGenFunction::CreateTempAlloca(), clang::CodeGen::CodeGenFunction::EmitBlock(), clang::CodeGen::CodeGenFunction::EmitLoadOfLValue(), clang::CodeGen::CodeGenFunction::EmitLValue(), clang::CodeGen::CodeGenFunction::EmitPointerWithAlignment(), clang::CodeGen::Address::emitRawPointer(), clang::CodeGen::RValue::get(), clang::CodeGen::LValue::getAddress(), clang::CodeGen::Address::getBasePointer(), clang::CodeGen::CodeGenModule::getCodeGenOpts(), clang::CodeGen::LValue::getObjCLifetime(), clang::Type::getPointeeType(), getPointeeType(), clang::CodeGen::CodeGenTypeCache::getPointerAlign(), clang::CodeGen::RValue::getScalarVal(), clang::ObjCIndirectCopyRestoreExpr::getSubExpr(), clang::Expr::getType(), isProvablyNonNull(), isProvablyNull(), clang::CodeGen::RValue::isScalar(), clang::CodeGen::CodeGenFunction::MakeAddrLValue(), maybeGetUnaryAddrOfOperand(), clang::Qualifiers::OCL_Strong, and clang::ObjCIndirectCopyRestoreExpr::shouldCopy().

◆ EnterStructPointerForCoercedAccess() ◆ eraseUnusedBitCasts() static void eraseUnusedBitCasts ( llvm::Instruction *  insn ) static ◆ findDominatingStoreToReturnValue() static llvm::StoreInst * findDominatingStoreToReturnValue ( CodeGenFunction &  CGF ) static ◆ forConstantArrayExpansion() static void forConstantArrayExpansion ( CodeGenFunction &  CGF, ConstantArrayExpansion *  CAE, Address  BaseAddr, llvm::function_ref< void(Address)>  Fn  ) static ◆ getArgTypesForCall() ◆ getArgTypesForDeclaration() ◆ getCallingConventionForDecl()

Definition at line 212 of file CGCall.cpp.

References clang::CC_AAPCS, clang::CC_AAPCS_VFP, clang::CC_AArch64SVEPCS, clang::CC_AArch64VectorCall, clang::CC_AMDGPUKernelCall, clang::CC_C, clang::CC_IntelOclBicc, clang::CC_M68kRTD, clang::CC_PreserveAll, clang::CC_PreserveMost, clang::CC_PreserveNone, clang::CC_RISCVVectorCall, clang::CC_Win64, clang::CC_X86_64SysV, clang::CC_X86FastCall, clang::CC_X86Pascal, clang::CC_X86RegCall, clang::CC_X86StdCall, clang::CC_X86ThisCall, clang::CC_X86VectorCall, D, clang::Decl::getAttr(), and clang::Decl::hasAttr().

Referenced by clang::CodeGen::CodeGenTypes::arrangeObjCMessageSendSignature().

◆ getExpansionSize() ◆ getExtParameterInfosForCall() ◆ GetFormalType() ◆ getMaxVectorWidth() ◆ getNoFPClassTestMask() static llvm::FPClassTest getNoFPClassTestMask ( const LangOptions &  LangOpts ) static ◆ getNonNullAttr() ◆ GetReturnType()

Returns the "extra-canonicalized" return type, which discards qualifiers on the return type.

Codegen doesn't care about them, and it makes ABI code a little easier to be able to assume that all parameter and return types are top-level unqualified.

Definition at line 110 of file CGCall.cpp.

References clang::Type::getCanonicalTypeUnqualified(), and clang::CanQual< T >::getUnqualifiedType().

Referenced by clang::CodeGen::CodeGenTypes::arrangeBlockFunctionDeclaration(), clang::CodeGen::CodeGenTypes::arrangeBuiltinFunctionCall(), clang::CodeGen::CodeGenTypes::arrangeBuiltinFunctionDeclaration(), clang::CodeGen::CodeGenTypes::arrangeCXXMethodCall(), arrangeFreeFunctionLikeCall(), clang::CodeGen::CodeGenTypes::arrangeObjCMessageSendSignature(), clang::CodeGen::CodeGenTypes::arrangeUnprototypedObjCMessageSend(), clang::Sema::BuildTypeTrait(), and clang::ento::retaincountchecker::RetainCountChecker::checkSummary().

◆ getTrivialDefaultFunctionAttributes() static void getTrivialDefaultFunctionAttributes ( StringRef  Name, bool  HasOptnone, const CodeGenOptions &  CodeGenOpts, const LangOptions &  LangOpts, bool  AttrOnCallSite, llvm::AttrBuilder &  FuncAttrs  ) static

Definition at line 1888 of file CGCall.cpp.

References clang::CodeGenOptions::All, clang::LangOptions::assumeFunctionsAreConvergent(), clang::CodeGenOptions::DefaultFunctionAttrs, clang::LangOptionsBase::FPE_Ignore, clang::LangOptionsBase::FPM_Fast, clang::LangOptionsBase::FPM_FastHonorPragmas, clang::LangOptions::getDefaultExceptionMode(), clang::CodeGenOptions::getFramePointerKindName(), clang::CodeGen::TargetCodeGenInfo::initBranchProtectionFnAttributes(), clang::LangOptions::isNoBuiltinFunc(), clang::CodeGenOptions::None, clang::CodeGenOptions::NonLeaf, clang::CodeGenOptions::PreferVectorWidth, clang::CodeGenOptions::Reciprocals, clang::CodeGenOptions::Reserved, and clang::CodeGenOptions::TrapFuncName.

Referenced by clang::CodeGen::mergeDefaultFunctionDefinitionAttributes().

◆ getTypeExpansion() static std::unique_ptr< TypeExpansion > getTypeExpansion ( QualType  Ty, const ASTContext &  Context  ) static ◆ hasInAllocaArgs() ◆ HasStrictReturn() ◆ IsArgumentMaybeUndef() ◆ isInAllocaArgument() ◆ isObjCMethodWithTypeParams() ◆ isProvablyNonNull() ◆ isProvablyNull() ◆ maybeGetUnaryAddrOfOperand() static const Expr * maybeGetUnaryAddrOfOperand ( const Expr *  E ) static ◆ overrideFunctionFeaturesWithTargetFeatures() static void overrideFunctionFeaturesWithTargetFeatures ( llvm::AttrBuilder &  FuncAttr, const llvm::Function &  F, const TargetOptions &  TargetOpts  ) static ◆ setBitRange() [1/2] ◆ setBitRange() [2/2] ◆ setCUDAKernelCallingConvention() ◆ setUsedBits() [1/3] ◆ setUsedBits() [2/3] ◆ setUsedBits() [3/3]

Definition at line 3686 of file CGCall.cpp.

References E, clang::RecordDecl::field_begin(), clang::RecordDecl::field_end(), clang::ASTContext::getASTRecordLayout(), clang::CodeGen::CGRecordLayout::getBitFieldInfo(), clang::CodeGen::CodeGenTypes::getCGRecordLayout(), clang::ASTContext::getCharWidth(), clang::CodeGen::CodeGenModule::getContext(), clang::CodeGen::CodeGenModule::getDataLayout(), clang::RecordType::getDecl(), clang::RecordDecl::getDefinition(), clang::ASTRecordLayout::getFieldOffset(), clang::CharUnits::getQuantity(), clang::ValueDecl::getType(), clang::CodeGen::CodeGenModule::getTypes(), clang::FieldDecl::isBitField(), clang::Type::isIncompleteArrayType(), clang::FieldDecl::isUnnamedBitField(), clang::FieldDecl::isZeroLengthBitField(), clang::CodeGen::CGBitFieldInfo::Offset, setBitRange(), setUsedBits(), clang::CodeGen::CGBitFieldInfo::Size, clang::CodeGen::CGBitFieldInfo::StorageOffset, and clang::CodeGen::CGBitFieldInfo::StorageSize.

◆ tryEmitFusedAutoreleaseOfResult() ◆ tryRemoveRetainOfSelf()

If this is a +1 of the value of an immutable 'self', remove it.

Definition at line 3500 of file CGCall.cpp.

References clang::CodeGen::CodeGenFunction::Builder, clang::CodeGen::CodeGenFunction::CGM, clang::CodeGen::CodeGenFunction::CurCodeDecl, eraseUnusedBitCasts(), clang::CodeGen::CodeGenFunction::GetAddrOfLocalVar(), clang::CodeGen::Address::getBasePointer(), clang::CodeGen::CodeGenModule::getObjCEntrypoints(), clang::ObjCMethodDecl::getSelfDecl(), clang::ValueDecl::getType(), clang::QualType::isConstQualified(), and clang::CodeGen::ObjCEntrypoints::objc_retain.

Referenced by emitAutoreleaseOfResult().

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