llvm::WebAssembly Namespace Reference

Classes
class	ConcreteSortRegion
class	SortRegion
class	SortRegionInfo

Enumerations
enum	Tag { CPP_EXCEPTION = 0 , C_LONGJMP = 1 }
enum	Fixups {   fixup_sleb128_i32 = FirstTargetFixupKind , fixup_sleb128_i64 , fixup_uleb128_i32 , fixup_uleb128_i64 ,   LastTargetFixupKind , NumTargetFixupKinds = LastTargetFixupKind - FirstTargetFixupKind }
enum	OperandType {   OPERAND_BASIC_BLOCK = MCOI::OPERAND_FIRST_TARGET , OPERAND_LOCAL , OPERAND_GLOBAL , OPERAND_I32IMM ,   OPERAND_I64IMM , OPERAND_F32IMM , OPERAND_F64IMM , OPERAND_VEC_I8IMM ,   OPERAND_VEC_I16IMM , OPERAND_VEC_I32IMM , OPERAND_VEC_I64IMM , OPERAND_FUNCTION32 ,   OPERAND_OFFSET32 , OPERAND_OFFSET64 , OPERAND_P2ALIGN , OPERAND_SIGNATURE ,   OPERAND_TYPEINDEX , OPERAND_TAG , OPERAND_BRLIST , OPERAND_TABLE ,   OPERAND_CATCH_LIST }
enum class	BlockType : unsigned {   Invalid = 0x00 , Void = 0x40 , I32 = unsigned(wasm::ValType::I32) , I64 = unsigned(wasm::ValType::I64) ,   F32 = unsigned(wasm::ValType::F32) , F64 = unsigned(wasm::ValType::F64) , V128 = unsigned(wasm::ValType::V128) , Externref = unsigned(wasm::ValType::EXTERNREF) ,   Funcref = unsigned(wasm::ValType::FUNCREF) , Exnref = unsigned(wasm::ValType::EXNREF) , Multivalue = 0xffff }
	Used as immediate MachineOperands for block signatures. More...
enum	WasmAddressSpace : unsigned { WASM_ADDRESS_SPACE_DEFAULT = 0 , WASM_ADDRESS_SPACE_VAR = 1 , WASM_ADDRESS_SPACE_EXTERNREF = 10 , WASM_ADDRESS_SPACE_FUNCREF = 20 }
enum	TargetIndex {   TI_LOCAL , TI_GLOBAL_FIXED , TI_OPERAND_STACK , TI_GLOBAL_RELOC ,   TI_LOCAL_INDIRECT }

Functions
unsigned	GetDefaultP2AlignAny (unsigned Opc)
	Return the default p2align value for a load or store with the given opcode.
unsigned	GetDefaultP2Align (unsigned Opc)
bool	isConst (unsigned Opc)
bool	isScalarConst (unsigned Opc)
bool	isArgument (unsigned Opc)
bool	isCopy (unsigned Opc)
bool	isTee (unsigned Opc)
bool	isCallDirect (unsigned Opc)
bool	isCallIndirect (unsigned Opc)
bool	isBrTable (unsigned Opc)
bool	isMarker (unsigned Opc)
bool	isEndMarker (unsigned Opc)
bool	isTry (unsigned Opc)
bool	isCatch (unsigned Opc)
bool	isCatchAll (unsigned Opc)
bool	isLocalGet (unsigned Opc)
bool	isLocalSet (unsigned Opc)
bool	isLocalTee (unsigned Opc)
unsigned	getWARegStackId (unsigned Reg)
bool	isRefType (wasm::ValType Type)
const char *	anyTypeToString (unsigned Type)
const char *	typeToString (wasm::ValType Type)
std::string	typeListToString (ArrayRef< wasm::ValType > List)
std::string	signatureToString (const wasm::WasmSignature *Sig)
wasm::ValType	regClassToValType (unsigned RC)
std::optional< wasm::ValType >	parseType (StringRef Type)
BlockType	parseBlockType (StringRef Type)
int	getStackOpcode (unsigned short Opcode)
int	getRegisterOpcode (unsigned short Opcode)
int	getWasm64Opcode (unsigned short Opcode)
bool	isDefaultAddressSpace (unsigned AS)
bool	isWasmVarAddressSpace (unsigned AS)
bool	isValidAddressSpace (unsigned AS)
bool	isWebAssemblyExternrefType (const Type *Ty)
	Return true if this is a WebAssembly Externref Type.
bool	isWebAssemblyFuncrefType (const Type *Ty)
	Return true if this is a WebAssembly Funcref Type.
bool	isWebAssemblyReferenceType (const Type *Ty)
	Return true if this is a WebAssembly Reference Type.
bool	isWebAssemblyTableType (const Type *Ty)
	Return true if the table represents a WebAssembly table type.
MVT	parseMVT (StringRef Type)
wasm::ValType	toValType (MVT Type)
void	wasmSymbolSetType (MCSymbolWasm *Sym, const Type *GlobalVT, ArrayRef< MVT > VTs)
	Sets a Wasm Symbol Type.
int16_t	getNamedOperandIdx (uint16_t Opcode, uint16_t NamedIndex)
FastISel *	createFastISel (FunctionLoweringInfo &funcInfo, const TargetLibraryInfo *libInfo)
void	getLibcallSignature (const WebAssemblySubtarget &Subtarget, RTLIB::Libcall LC, SmallVectorImpl< wasm::ValType > &Rets, SmallVectorImpl< wasm::ValType > &Params)
void	getLibcallSignature (const WebAssemblySubtarget &Subtarget, StringRef Name, SmallVectorImpl< wasm::ValType > &Rets, SmallVectorImpl< wasm::ValType > &Params)
bool	isChild (const MachineInstr &MI, const WebAssemblyFunctionInfo &MFI)
	Test whether MI is a child of some other node in an expression tree.
bool	mayThrow (const MachineInstr &MI)
const MachineOperand &	getCalleeOp (const MachineInstr &MI)
	Returns the operand number of a callee, assuming the argument is a call instruction.
MCSymbolWasm *	getOrCreateFunctionTableSymbol (MCContext &Ctx, const WebAssemblySubtarget *Subtarget)
	Returns the __indirect_function_table, for use in call_indirect and in function bitcasts.
MCSymbolWasm *	getOrCreateFuncrefCallTableSymbol (MCContext &Ctx, const WebAssemblySubtarget *Subtarget)
	Returns the __funcref_call_table, for use in funcref calls when lowered to table.set + call_indirect.
MachineInstr *	findCatch (MachineBasicBlock *EHPad)
	Find a catch instruction from an EH pad.
unsigned	getCopyOpcodeForRegClass (const TargetRegisterClass *RC)
	Returns the appropriate copy opcode for the given register class.
bool	canLowerMultivalueReturn (const WebAssemblySubtarget *Subtarget)
	Returns true if multivalue returns of a function can be lowered directly, i.e., not indirectly via a pointer parameter that points to the value in memory.
bool	canLowerReturn (size_t ResultSize, const WebAssemblySubtarget *Subtarget)
	Returns true if the function's return value(s) can be lowered directly, i.e., not indirectly via a pointer parameter that points to the value in memory.

Variables
cl::opt< bool >	WasmEnableEmEH
cl::opt< bool >	WasmEnableEmSjLj
cl::opt< bool >	WasmEnableEH
cl::opt< bool >	WasmEnableSjLj
cl::opt< bool >	WasmEnableExnref
static const unsigned	Nop = 0x01
	Instruction opcodes emitted via means other than CodeGen.
static const unsigned	End = 0x0b
static const unsigned	UnusedReg = -1u
const char *const	ClangCallTerminateFn
const char *const	CxaBeginCatchFn = "__cxa_begin_catch"
const char *const	CxaRethrowFn = "__cxa_rethrow"
const char *const	StdTerminateFn = "_ZSt9terminatev"
const char *const	PersonalityWrapperFn

Enumeration Type Documentation

BlockType

enum class llvm::WebAssembly::BlockType : unsigned

strong

Used as immediate MachineOperands for block signatures.

Enumerator
Invalid
Void
I32
I64
F32
F64
V128
Externref
Funcref
Exnref
Multivalue

Definition at line 25 of file WebAssemblyMCTypeUtilities.h.

Fixups

enum llvm::WebAssembly::Fixups

Enumerator
fixup_sleb128_i32
fixup_sleb128_i64
fixup_uleb128_i32
fixup_uleb128_i64
LastTargetFixupKind
NumTargetFixupKinds

Definition at line 16 of file WebAssemblyFixupKinds.h.

OperandType

enum llvm::WebAssembly::OperandType

Enumerator
OPERAND_BASIC_BLOCK	Basic block label in a branch construct.
OPERAND_LOCAL	Local index.
OPERAND_GLOBAL	Global index.
OPERAND_I32IMM	32-bit integer immediates.
OPERAND_I64IMM	64-bit integer immediates.
OPERAND_F32IMM	32-bit floating-point immediates.
OPERAND_F64IMM	64-bit floating-point immediates.
OPERAND_VEC_I8IMM	8-bit vector lane immediate
OPERAND_VEC_I16IMM	16-bit vector lane immediate
OPERAND_VEC_I32IMM	32-bit vector lane immediate
OPERAND_VEC_I64IMM	64-bit vector lane immediate
OPERAND_FUNCTION32	32-bit unsigned function indices.
OPERAND_OFFSET32	32-bit unsigned memory offsets.
OPERAND_OFFSET64	64-bit unsigned memory offsets.
OPERAND_P2ALIGN	p2align immediate for load and store address alignment.
OPERAND_SIGNATURE	signature immediate for block/loop.
OPERAND_TYPEINDEX	type signature immediate for call_indirect.
OPERAND_TAG	Tag index.
OPERAND_BRLIST	A list of branch targets for br_list.
OPERAND_TABLE	32-bit unsigned table number.
OPERAND_CATCH_LIST	A list of catch clauses for try_table.

Definition at line 49 of file WebAssemblyMCTargetDesc.h.

Tag

enum llvm::WebAssembly::Tag

Enumerator
CPP_EXCEPTION
C_LONGJMP

Definition at line 27 of file WasmEHFuncInfo.h.

TargetIndex

enum llvm::WebAssembly::TargetIndex

Enumerator
TI_LOCAL
TI_GLOBAL_FIXED
TI_OPERAND_STACK
TI_GLOBAL_RELOC
TI_LOCAL_INDIRECT

Definition at line 92 of file WebAssembly.h.

WasmAddressSpace

enum llvm::WebAssembly::WasmAddressSpace : unsigned

Enumerator
WASM_ADDRESS_SPACE_DEFAULT
WASM_ADDRESS_SPACE_VAR
WASM_ADDRESS_SPACE_EXTERNREF
WASM_ADDRESS_SPACE_FUNCREF

Definition at line 20 of file WasmAddressSpaces.h.

Function Documentation

anyTypeToString()

const char * llvm::WebAssembly::anyTypeToString

(

unsigned

Type

)

Definition at line 51 of file WebAssemblyMCTypeUtilities.cpp.

References llvm::wasm::WASM_TYPE_EXNREF, llvm::wasm::WASM_TYPE_EXTERNREF, llvm::wasm::WASM_TYPE_F32, llvm::wasm::WASM_TYPE_F64, llvm::wasm::WASM_TYPE_FUNC, llvm::wasm::WASM_TYPE_FUNCREF, llvm::wasm::WASM_TYPE_I32, llvm::wasm::WASM_TYPE_I64, llvm::wasm::WASM_TYPE_NORESULT, and llvm::wasm::WASM_TYPE_V128.

Referenced by llvm::WebAssemblyInstPrinter::printWebAssemblySignatureOperand(), and typeToString().

canLowerMultivalueReturn()

bool llvm::WebAssembly::canLowerMultivalueReturn

(

const WebAssemblySubtarget *

Subtarget

)

Returns true if multivalue returns of a function can be lowered directly, i.e., not indirectly via a pointer parameter that points to the value in memory.

Definition at line 187 of file WebAssemblyUtilities.cpp.

References llvm::WebAssemblySubtarget::getTargetLowering(), llvm::TargetLoweringBase::getTargetMachine(), and llvm::WebAssemblySubtarget::hasMultivalue().

Referenced by canLowerReturn(), and getLibcallSignature().

canLowerReturn()

bool llvm::WebAssembly::canLowerReturn	(	size_t	ResultSize,
		const WebAssemblySubtarget *	Subtarget
	)

Returns true if the function's return value(s) can be lowered directly, i.e., not indirectly via a pointer parameter that points to the value in memory.

Definition at line 194 of file WebAssemblyUtilities.cpp.

References canLowerMultivalueReturn().

Referenced by llvm::computeSignatureVTs().

createFastISel()

FastISel * llvm::WebAssembly::createFastISel	(	FunctionLoweringInfo &	funcInfo,
		const TargetLibraryInfo *	libInfo
	)

Definition at line 1448 of file WebAssemblyFastISel.cpp.

findCatch()

MachineInstr * llvm::WebAssembly::findCatch

(

MachineBasicBlock *

EHPad

)

Find a catch instruction from an EH pad.

Returns null if no catch instruction found or the catch is in an invalid location.

Definition at line 150 of file WebAssemblyUtilities.cpp.

References assert(), llvm::MachineBasicBlock::begin(), llvm::MachineBasicBlock::end(), isCatch(), llvm::MachineBasicBlock::isEHPad(), and isMarker().

getCalleeOp()

const MachineOperand & llvm::WebAssembly::getCalleeOp

(

const MachineInstr &

MI

)

Returns the operand number of a callee, assuming the argument is a call instruction.

Definition at line 87 of file WebAssemblyUtilities.cpp.

References llvm_unreachable, and MI.

Referenced by llvm::WebAssemblyInstrInfo::getCalleeOperand(), mayThrow(), and queryCallee().

getCopyOpcodeForRegClass()

unsigned llvm::WebAssembly::getCopyOpcodeForRegClass

(

const TargetRegisterClass *

RC

)

Returns the appropriate copy opcode for the given register class.

Definition at line 163 of file WebAssemblyUtilities.cpp.

References assert(), llvm::TargetRegisterClass::getID(), and llvm_unreachable.

Referenced by llvm::WebAssemblyInstrInfo::copyPhysReg(), maybeRewriteToFallthrough(), and unstackifyVRegsUsedInSplitBB().

GetDefaultP2Align()

unsigned llvm::WebAssembly::GetDefaultP2Align ( unsigned  Opc )

inline

Definition at line 285 of file WebAssemblyMCTargetDesc.h.

References GetDefaultP2AlignAny(), and llvm_unreachable.

Referenced by llvm::WebAssemblyInstPrinter::printWebAssemblyP2AlignOperand(), and rewriteP2Align().

GetDefaultP2AlignAny()

unsigned llvm::WebAssembly::GetDefaultP2AlignAny ( unsigned  Opc )

inline

Return the default p2align value for a load or store with the given opcode.

Definition at line 154 of file WebAssemblyMCTargetDesc.h.

References WASM_LOAD_STORE.

Referenced by GetDefaultP2Align().

getLibcallSignature() [1/2]

void llvm::WebAssembly::getLibcallSignature	(	const WebAssemblySubtarget &	Subtarget,
		RTLIB::Libcall	LC,
		SmallVectorImpl< wasm::ValType > &	Rets,
		SmallVectorImpl< wasm::ValType > &	Params
	)

Definition at line 551 of file WebAssemblyRuntimeLibcallSignatures.cpp.

References assert(), canLowerMultivalueReturn(), llvm::SmallVectorBase< Size_T >::empty(), func, llvm::WebAssemblySubtarget::hasAddr64(), llvm_unreachable, llvm::SmallVectorTemplateBase< T, bool >::push_back(), and unsupported().

Referenced by getLibcallSignature(), and llvm::WebAssemblyAsmPrinter::getOrCreateWasmSymbol().

getLibcallSignature() [2/2]

void llvm::WebAssembly::getLibcallSignature	(	const WebAssemblySubtarget &	Subtarget,
		StringRef	Name,
		SmallVectorImpl< wasm::ValType > &	Rets,
		SmallVectorImpl< wasm::ValType > &	Params
	)

Definition at line 916 of file WebAssemblyRuntimeLibcallSignatures.cpp.

References getLibcallSignature(), llvm_unreachable, and Name.

getNamedOperandIdx()

int16_t llvm::WebAssembly::getNamedOperandIdx	(	uint16_t	Opcode,
		uint16_t	NamedIndex
	)

Referenced by llvm::WebAssemblyRegisterInfo::eliminateFrameIndex().

getOrCreateFuncrefCallTableSymbol()

MCSymbolWasm * llvm::WebAssembly::getOrCreateFuncrefCallTableSymbol	(	MCContext &	Ctx,
		const WebAssemblySubtarget *	Subtarget
	)

Returns the __funcref_call_table, for use in funcref calls when lowered to table.set + call_indirect.

Definition at line 124 of file WebAssemblyUtilities.cpp.

References llvm::MCContext::getOrCreateSymbol(), llvm::WebAssemblySubtarget::hasCallIndirectOverlong(), llvm::MCContext::lookupSymbol(), Name, llvm::MCContext::reportError(), Sym, and llvm::wasm::WASM_SYMBOL_TYPE_TABLE.

Referenced by LowerCallResults().

getOrCreateFunctionTableSymbol()

MCSymbolWasm * llvm::WebAssembly::getOrCreateFunctionTableSymbol	(	MCContext &	Ctx,
		const WebAssemblySubtarget *	Subtarget
	)

Returns the __indirect_function_table, for use in call_indirect and in function bitcasts.

Definition at line 104 of file WebAssemblyUtilities.cpp.

References llvm::MCContext::getOrCreateSymbol(), llvm::WebAssemblySubtarget::getTargetTriple(), llvm::WebAssemblySubtarget::hasCallIndirectOverlong(), llvm::Triple::isArch64Bit(), llvm::MCContext::lookupSymbol(), Name, llvm::MCContext::reportError(), and Sym.

Referenced by llvm::WebAssemblyAsmPrinter::emitEndOfAsmFile(), and LowerCallResults().

getRegisterOpcode()

int llvm::WebAssembly::getRegisterOpcode

(

unsigned short

Opcode

)

Referenced by llvm::WebAssemblyAsmTypeCheck::typeCheck().

getStackOpcode()

int llvm::WebAssembly::getStackOpcode

(

unsigned short

Opcode

)

Referenced by removeRegisterOperands().

getWARegStackId()

unsigned llvm::WebAssembly::getWARegStackId ( unsigned  Reg )

inline

Definition at line 618 of file WebAssemblyMCTargetDesc.h.

References assert(), and Reg.

Referenced by llvm::WebAssemblyInstPrinter::printOperand().

getWasm64Opcode()

int llvm::WebAssembly::getWasm64Opcode

(

unsigned short

Opcode

)

isArgument()

bool llvm::WebAssembly::isArgument ( unsigned  Opc )

inline

Definition at line 337 of file WebAssemblyMCTargetDesc.h.

Referenced by addImplicitDefs(), llvm::WebAssemblyFrameLowering::emitPrologue(), and hasArgumentDef().

isBrTable()

bool llvm::WebAssembly::isBrTable ( unsigned  Opc )

inline

Definition at line 445 of file WebAssemblyMCTargetDesc.h.

isCallDirect()

bool llvm::WebAssembly::isCallDirect ( unsigned  Opc )

inline

Definition at line 421 of file WebAssemblyMCTargetDesc.h.

isCallIndirect()

bool llvm::WebAssembly::isCallIndirect ( unsigned  Opc )

inline

Definition at line 433 of file WebAssemblyMCTargetDesc.h.

Referenced by llvm::WebAssemblyMCInstLower::lower(), and mayThrow().

isCatch()

bool llvm::WebAssembly::isCatch ( unsigned  Opc )

inline

Definition at line 509 of file WebAssemblyMCTargetDesc.h.

Referenced by findCatch(), and isSafeToMove().

isCatchAll()

bool llvm::WebAssembly::isCatchAll ( unsigned  Opc )

inline

Definition at line 529 of file WebAssemblyMCTargetDesc.h.

isChild()

bool llvm::WebAssembly::isChild	(	const MachineInstr &	MI,
		const WebAssemblyFunctionInfo &	MFI
	)

Test whether MI is a child of some other node in an expression tree.

Definition at line 30 of file WebAssemblyUtilities.cpp.

References llvm::MachineOperand::getReg(), llvm::MachineOperand::isDef(), llvm::MachineOperand::isImplicit(), llvm::MachineOperand::isReg(), llvm::WebAssemblyFunctionInfo::isVRegStackified(), and MI.

isConst()

bool llvm::WebAssembly::isConst ( unsigned  Opc )

inline

Definition at line 293 of file WebAssemblyMCTargetDesc.h.

isCopy()

bool llvm::WebAssembly::isCopy ( unsigned  Opc )

inline

Definition at line 373 of file WebAssemblyMCTargetDesc.h.

isDefaultAddressSpace()

bool llvm::WebAssembly::isDefaultAddressSpace ( unsigned  AS )

inline

Definition at line 34 of file WasmAddressSpaces.h.

References WASM_ADDRESS_SPACE_DEFAULT.

Referenced by isValidAddressSpace().

isEndMarker()

bool llvm::WebAssembly::isEndMarker ( unsigned  Opc )

inline

Definition at line 481 of file WebAssemblyMCTargetDesc.h.

isLocalGet()

bool llvm::WebAssembly::isLocalGet ( unsigned  Opc )

inline

Definition at line 543 of file WebAssemblyMCTargetDesc.h.

isLocalSet()

bool llvm::WebAssembly::isLocalSet ( unsigned  Opc )

inline

Definition at line 567 of file WebAssemblyMCTargetDesc.h.

Referenced by llvm::WebAssemblyInstrInfo::isExplicitTargetIndexDef().

isLocalTee()

bool llvm::WebAssembly::isLocalTee ( unsigned  Opc )

inline

Definition at line 591 of file WebAssemblyMCTargetDesc.h.

Referenced by llvm::WebAssemblyInstrInfo::isExplicitTargetIndexDef().

isMarker()

bool llvm::WebAssembly::isMarker ( unsigned  Opc )

inline

Definition at line 457 of file WebAssemblyMCTargetDesc.h.

Referenced by findCatch().

isRefType()

bool llvm::WebAssembly::isRefType ( wasm::ValType  Type )

inline

Definition at line 48 of file WebAssemblyMCTypeUtilities.h.

References llvm::wasm::EXNREF, llvm::wasm::EXTERNREF, and llvm::wasm::FUNCREF.

isScalarConst()

bool llvm::WebAssembly::isScalarConst ( unsigned  Opc )

inline

Definition at line 321 of file WebAssemblyMCTargetDesc.h.

Referenced by isSameScalarConst().

isTee()

bool llvm::WebAssembly::isTee ( unsigned  Opc )

inline

Definition at line 397 of file WebAssemblyMCTargetDesc.h.

Referenced by unstackifyVRegsUsedInSplitBB().

isTry()

bool llvm::WebAssembly::isTry ( unsigned  Opc )

inline

Definition at line 497 of file WebAssemblyMCTargetDesc.h.

isValidAddressSpace()

bool llvm::WebAssembly::isValidAddressSpace ( unsigned  AS )

inline

Definition at line 40 of file WasmAddressSpaces.h.

References isDefaultAddressSpace(), and isWasmVarAddressSpace().

isWasmVarAddressSpace()

bool llvm::WebAssembly::isWasmVarAddressSpace ( unsigned  AS )

inline

Definition at line 37 of file WasmAddressSpaces.h.

References WASM_ADDRESS_SPACE_VAR.

Referenced by llvm::WebAssemblyAsmPrinter::emitEndOfAsmFile(), llvm::WebAssemblyAsmPrinter::emitGlobalVariable(), llvm::WebAssemblyFrameLowering::getLocalForStackObject(), isValidAddressSpace(), and IsWebAssemblyGlobal().

isWebAssemblyExternrefType()

bool llvm::WebAssembly::isWebAssemblyExternrefType ( const Type *  Ty )

inline

Return true if this is a WebAssembly Externref Type.

Definition at line 30 of file WebAssemblyTypeUtilities.h.

References llvm::Type::getPointerAddressSpace(), llvm::Type::isPointerTy(), and WASM_ADDRESS_SPACE_EXTERNREF.

Referenced by isWebAssemblyReferenceType(), and wasmSymbolSetType().

isWebAssemblyFuncrefType()

bool llvm::WebAssembly::isWebAssemblyFuncrefType ( const Type *  Ty )

inline

Return true if this is a WebAssembly Funcref Type.

Definition at line 37 of file WebAssemblyTypeUtilities.h.

References llvm::Type::getPointerAddressSpace(), llvm::Type::isPointerTy(), and WASM_ADDRESS_SPACE_FUNCREF.

Referenced by isWebAssemblyReferenceType(), and wasmSymbolSetType().

isWebAssemblyReferenceType()

bool llvm::WebAssembly::isWebAssemblyReferenceType ( const Type *  Ty )

inline

Return true if this is a WebAssembly Reference Type.

Definition at line 44 of file WebAssemblyTypeUtilities.h.

References isWebAssemblyExternrefType(), and isWebAssemblyFuncrefType().

Referenced by isWebAssemblyTableType().

isWebAssemblyTableType()

bool llvm::WebAssembly::isWebAssemblyTableType ( const Type *  Ty )

inline

Return true if the table represents a WebAssembly table type.

Definition at line 49 of file WebAssemblyTypeUtilities.h.

References llvm::Type::getArrayElementType(), llvm::Type::isArrayTy(), and isWebAssemblyReferenceType().

Referenced by wasmSymbolSetType().

mayThrow()

bool llvm::WebAssembly::mayThrow

(

const MachineInstr &

MI

)

Definition at line 41 of file WebAssemblyUtilities.cpp.

References assert(), CxaBeginCatchFn, F, getCalleeOp(), llvm::MachineOperand::getGlobal(), llvm::MachineOperand::getSymbolName(), isCallIndirect(), llvm::MachineOperand::isGlobal(), llvm::MachineOperand::isSymbol(), MI, Name, PersonalityWrapperFn, and StdTerminateFn.

parseBlockType()

WebAssembly::BlockType llvm::WebAssembly::parseBlockType

(

StringRef

Type

)

Definition at line 34 of file WebAssemblyMCTypeUtilities.cpp.

References llvm::StringSwitch< T, R >::Case(), and llvm::StringSwitch< T, R >::Default().

parseMVT()

MVT llvm::WebAssembly::parseMVT

(

StringRef

Type

)

Definition at line 23 of file WebAssemblyTypeUtilities.cpp.

References llvm::StringSwitch< T, R >::Case(), llvm::StringSwitch< T, R >::Default(), and llvm::MVT::INVALID_SIMPLE_VALUE_TYPE.

Referenced by llvm::WebAssemblyFunctionInfo::initializeBaseYamlFields().

parseType()

std::optional< wasm::ValType > llvm::WebAssembly::parseType

(

StringRef

Type

)

Definition at line 20 of file WebAssemblyMCTypeUtilities.cpp.

regClassToValType()

wasm::ValType llvm::WebAssembly::regClassToValType

(

unsigned

RC

)

Definition at line 101 of file WebAssemblyMCTypeUtilities.cpp.

References llvm_unreachable.

Referenced by llvm::WebAssemblyMCInstLower::lower(), and llvm::WebAssemblyAsmTypeCheck::typeCheck().

signatureToString()

std::string llvm::WebAssembly::signatureToString

(

const wasm::WasmSignature *

Sig

)

Definition at line 92 of file WebAssemblyMCTypeUtilities.cpp.

References llvm::wasm::WasmSignature::Params, llvm::wasm::WasmSignature::Returns, and typeListToString().

Referenced by llvm::WebAssemblyTargetAsmStreamer::emitFunctionType(), llvm::WebAssemblyAsmPrinter::getMCSymbolForFunction(), llvm::WebAssemblyInstPrinter::printOperand(), and llvm::WebAssemblyInstPrinter::printWebAssemblySignatureOperand().

toValType()

wasm::ValType llvm::WebAssembly::toValType

(

MVT

Type

)

Definition at line 40 of file WebAssemblyTypeUtilities.cpp.

References llvm_unreachable.

Referenced by llvm::valTypesFromMVTs(), and wasmSymbolSetType().

typeListToString()

std::string llvm::WebAssembly::typeListToString

(

ArrayRef< wasm::ValType >

List

)

Definition at line 82 of file WebAssemblyMCTypeUtilities.cpp.

References List, and typeToString().

Referenced by llvm::WebAssemblyTargetAsmStreamer::emitTagType(), and signatureToString().

typeToString()

const char * llvm::WebAssembly::typeToString

(

wasm::ValType

Type

)

Definition at line 78 of file WebAssemblyMCTypeUtilities.cpp.

References anyTypeToString().

Referenced by llvm::WebAssemblyTargetAsmStreamer::emitGlobalType(), llvm::WebAssemblyTargetAsmStreamer::emitTableType(), printTypes(), and typeListToString().

wasmSymbolSetType()

void llvm::WebAssembly::wasmSymbolSetType	(	MCSymbolWasm *	Sym,
		const Type *	GlobalVT,
		ArrayRef< MVT >	VTs
	)

Sets a Wasm Symbol Type.

Definition at line 69 of file WebAssemblyTypeUtilities.cpp.

References assert(), llvm::Type::getArrayElementType(), isWebAssemblyExternrefType(), isWebAssemblyFuncrefType(), isWebAssemblyTableType(), llvm::report_fatal_error(), llvm::ArrayRef< T >::size(), Sym, toValType(), llvm::wasm::WASM_SYMBOL_TYPE_GLOBAL, and llvm::wasm::WASM_SYMBOL_TYPE_TABLE.

Referenced by llvm::WebAssemblyAsmPrinter::emitGlobalVariable().

Variable Documentation

ClangCallTerminateFn

const char* const llvm::WebAssembly::ClangCallTerminateFn

extern

CxaBeginCatchFn

const char *const llvm::WebAssembly::CxaBeginCatchFn = "__cxa_begin_catch"

extern

Definition at line 23 of file WebAssemblyUtilities.cpp.

Referenced by mayThrow().

CxaRethrowFn

const char *const llvm::WebAssembly::CxaRethrowFn = "__cxa_rethrow"

extern

Definition at line 24 of file WebAssemblyUtilities.cpp.

End

const unsigned llvm::WebAssembly::End = 0x0b

static

Definition at line 151 of file WebAssemblyMCTargetDesc.h.

Nop

const unsigned llvm::WebAssembly::Nop = 0x01

static

Instruction opcodes emitted via means other than CodeGen.

Definition at line 150 of file WebAssemblyMCTargetDesc.h.

PersonalityWrapperFn

const char *const llvm::WebAssembly::PersonalityWrapperFn

extern

Initial value:

=
    "_Unwind_Wasm_CallPersonality"

Definition at line 26 of file WebAssemblyUtilities.cpp.

Referenced by mayThrow().

StdTerminateFn

const char *const llvm::WebAssembly::StdTerminateFn = "_ZSt9terminatev"

extern

Definition at line 25 of file WebAssemblyUtilities.cpp.

Referenced by mayThrow().

UnusedReg

const unsigned llvm::WebAssembly::UnusedReg = -1u

static

Definition at line 615 of file WebAssemblyMCTargetDesc.h.

Referenced by llvm::WebAssemblyFunctionInfo::initWARegs(), llvm::WebAssemblyInstPrinter::printOperand(), llvm::WebAssemblyInstPrinter::printRegName(), llvm::WebAssemblyAsmPrinter::regToString(), and llvm::WebAssemblyFunctionInfo::setWAReg().

WasmEnableEH

cl::opt< bool > llvm::WebAssembly::WasmEnableEH

extern

Referenced by llvm::WebAssemblyMCAsmInfo::WebAssemblyMCAsmInfo().

WasmEnableEmEH

cl::opt< bool > llvm::WebAssembly::WasmEnableEmEH

extern

Referenced by llvm::WebAssemblyAsmPrinter::emitDecls().

WasmEnableEmSjLj

cl::opt< bool > llvm::WebAssembly::WasmEnableEmSjLj

extern

Referenced by llvm::WebAssemblyAsmPrinter::emitDecls().

WasmEnableExnref

cl::opt< bool > llvm::WebAssembly::WasmEnableExnref

extern

WasmEnableSjLj

cl::opt< bool > llvm::WebAssembly::WasmEnableSjLj

extern

Referenced by canLongjmp(), and llvm::WebAssemblyMCAsmInfo::WebAssemblyMCAsmInfo().