llvm::abi Namespace Reference

Classes
struct	ABICompatInfo
	Flags controlling target-specific ABI compatibility behaviour. More...
struct	ArgEntry
class	ArgInfo
	Helper class to encapsulate information about how a specific type should be passed to or returned from a function. More...
class	ArrayType
class	BPFTargetInfo
class	ComplexType
struct	FieldInfo
class	FloatType
class	FunctionInfo
class	IntegerType
class	IRTypeMapper
class	MemberPointerType
class	PointerLikeType
class	PointerType
class	RecordType
class	TargetInfo
class	Type
	Represents the ABI-specific view of a type in LLVM. More...
class	TypeBuilder
	TypeBuilder manages the lifecycle of ABI types using bump pointer allocation. More...
class	VectorType
class	VoidType
class	X86_64TargetInfo

Enumerations
enum	RecordArgABI { RAA_Default = 0 , RAA_DirectInMemory , RAA_Indirect }
enum class	X86AVXABILevel { None , AVX , AVX512 }
	The AVX ABI level for X86 targets. More...
enum class	TypeKind {   Void , MemberPointer , Complex , Integer ,   Float , Pointer , Array , Vector ,   Record }
enum class	StructPacking { Default , Packed , ExplicitPacking }
enum	RecordFlags : unsigned {   None = 0 , CanPassInRegisters = 1 << 0 , IsUnion = 1 << 1 , IsTransparent = 1 << 2 ,   IsCXXRecord = 1 << 3 , IsPolymorphic = 1 << 4 , HasFlexibleArrayMember = 1 << 5 , LLVM_MARK_AS_BITMASK_ENUM =( HasFlexibleArrayMember) }

Functions
LLVM_ABI std::unique_ptr< TargetInfo >	createBPFTargetInfo (TypeBuilder &TB)
LLVM_ABI std::unique_ptr< TargetInfo >	createX86_64TargetInfo (TypeBuilder &TB, X86AVXABILevel AVXLevel, bool Has64BitPointers, const ABICompatInfo &Compat)
static unsigned	getNativeVectorSizeForAVXABI (X86AVXABILevel AVXLevel)
static uint64_t	getClangIntegerWidthInBits (const IntegerType *IT)
static uint64_t	getClangVectorWidthInBits (const VectorType *VT)
static uint64_t	getClangTypeWidthInBits (const Type *Ty)
static const Type *	reduceUnionForX8664 (const RecordType *UnionType, TypeBuilder &TB)
static bool	bitsContainNoUserData (const Type *Ty, unsigned StartBit, unsigned EndBit)
static bool	isFloatTypeWithSemantics (const Type *Ty, const fltSemantics &Semantics)
	Helper to check if a floating point type matches specific semantics.
static bool	classifyCXXReturnType (FunctionInfo &FI)

Enumeration Type Documentation

RecordArgABI

enum llvm::abi::RecordArgABI

Enumerator
RAA_Default	Pass it using the normal C aggregate rules for the ABI, potentially introducing extra copies and passing some or all of it in registers.
RAA_DirectInMemory	Pass it on the stack using its defined layout. The argument must be evaluated directly into the correct stack position in the arguments area, and the call machinery must not move it or introduce extra copies.
RAA_Indirect	Pass it as a pointer to temporary memory.

Definition at line 26 of file TargetInfo.h.

RecordFlags

enum llvm::abi::RecordFlags : unsigned

Enumerator
None
CanPassInRegisters
IsUnion
IsTransparent
IsCXXRecord
IsPolymorphic
HasFlexibleArrayMember
LLVM_MARK_AS_BITMASK_ENUM

Definition at line 253 of file Types.h.

StructPacking

enum class llvm::abi::StructPacking

strong

Enumerator
Default
Packed
ExplicitPacking

Definition at line 251 of file Types.h.

TypeKind

enum class llvm::abi::TypeKind

strong

Enumerator
Void
MemberPointer
Complex
Integer
Float
Pointer
Array
Vector
Record

Definition at line 28 of file Types.h.

X86AVXABILevel

enum class llvm::abi::X86AVXABILevel

strong

The AVX ABI level for X86 targets.

Enumerator
None
AVX
AVX512

Definition at line 90 of file TargetInfo.h.

Function Documentation

bitsContainNoUserData()

bool llvm::abi::bitsContainNoUserData ( const Type * Ty, unsigned StartBit, unsigned EndBit )

static

Definition at line 927 of file X86.cpp.

References llvm::sampleprof::Base, bitsContainNoUserData(), llvm::dyn_cast(), llvm::details::FixedOrScalableQuantity< LeafTy, ValueTy >::getFixedValue(), llvm::abi::Type::getSizeInBits(), and I.

Referenced by bitsContainNoUserData().

classifyCXXReturnType()

bool llvm::abi::classifyCXXReturnType ( FunctionInfo & FI )

static

Definition at line 1422 of file X86.cpp.

References llvm::dyn_cast(), llvm::abi::ArgInfo::getIndirect(), llvm::abi::FunctionInfo::getReturnInfo(), and llvm::abi::FunctionInfo::getReturnType().

createBPFTargetInfo()

std::unique_ptr< TargetInfo > llvm::abi::createBPFTargetInfo

(

TypeBuilder &

TB

)

Definition at line 84 of file BPF.cpp.

createX86_64TargetInfo()

std::unique_ptr< TargetInfo > llvm::abi::createX86_64TargetInfo	(	TypeBuilder &	TB,
		X86AVXABILevel	AVXLevel,
		bool	Has64BitPointers,
		const ABICompatInfo &	Compat )

Definition at line 1494 of file X86.cpp.

getClangIntegerWidthInBits()

uint64_t llvm::abi::getClangIntegerWidthInBits ( const IntegerType * IT )

static

Definition at line 40 of file X86.cpp.

References llvm::alignTo(), llvm::bit_ceil(), and IT.

Referenced by getClangTypeWidthInBits(), and getClangVectorWidthInBits().

getClangTypeWidthInBits()

uint64_t llvm::abi::getClangTypeWidthInBits ( const Type * Ty )

static

Definition at line 64 of file X86.cpp.

References llvm::dyn_cast(), getClangIntegerWidthInBits(), getClangVectorWidthInBits(), and IT.

getClangVectorWidthInBits()

uint64_t llvm::abi::getClangVectorWidthInBits ( const VectorType * VT )

static

Definition at line 49 of file X86.cpp.

References llvm::alignTo(), llvm::bit_ceil(), llvm::dyn_cast(), getClangIntegerWidthInBits(), llvm::abi::VectorType::getElementType(), llvm::details::FixedOrScalableQuantity< LeafTy, ValueTy >::getFixedValue(), llvm::details::FixedOrScalableQuantity< LeafTy, ValueTy >::getKnownMinValue(), llvm::abi::VectorType::getNumElements(), llvm::abi::Type::getSizeInBits(), and IT.

Referenced by getClangTypeWidthInBits().

getNativeVectorSizeForAVXABI()

unsigned llvm::abi::getNativeVectorSizeForAVXABI ( X86AVXABILevel AVXLevel )

static

Definition at line 24 of file X86.cpp.

References AVX, AVX512, llvm_unreachable, and None.

isFloatTypeWithSemantics()

bool llvm::abi::isFloatTypeWithSemantics ( const Type * Ty, const fltSemantics & Semantics )

static

Helper to check if a floating point type matches specific semantics.

Definition at line 1156 of file X86.cpp.

References llvm::cast(), and llvm::abi::FloatType::getSemantics().

reduceUnionForX8664()

const Type * llvm::abi::reduceUnionForX8664 ( const RecordType * UnionType, TypeBuilder & TB )

static

Definition at line 126 of file X86.cpp.

References assert(), llvm::ArrayRef< T >::empty(), llvm::abi::Type::getAlignment(), llvm::abi::RecordType::getFields(), llvm::abi::Type::getSizeInBits(), llvm::details::FixedOrScalableQuantity< TypeSize, uint64_t >::isKnownGT(), llvm::abi::RecordType::isTransparentUnion(), and llvm::abi::RecordType::isUnion().