LLVM: llvm::WebAssembly Namespace Reference (original) (raw)

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	Specifier { S_None, S_FUNCINDEX, S_GOT, S_GOT_TLS, S_MBREL, S_TBREL, S_TLSREL, S_TYPEINDEX }
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 (MCRegister 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.
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
static const unsigned	Nop = 0x01
	Instruction opcodes emitted via means other than CodeGen.
static const unsigned	End = 0x0b
static const unsigned	UnusedReg = -1u
cl::opt< bool >	WasmEnableEmEH
cl::opt< bool >	WasmEnableEmSjLj
cl::opt< bool >	WasmEnableEH
cl::opt< bool >	WasmEnableSjLj
cl::opt< bool >	WasmUseLegacyEH
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

◆ BlockType

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

Enumerator
fixup_sleb128_i32
fixup_sleb128_i64
fixup_uleb128_i32
fixup_uleb128_i64
LastTargetFixupKind
NumTargetFixupKinds

Definition at line 16 of file WebAssemblyFixupKinds.h.

◆ 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 42 of file WebAssemblyMCTargetDesc.h.

◆ Specifier

Enumerator
S_None
S_FUNCINDEX
S_GOT
S_GOT_TLS
S_MBREL
S_TBREL
S_TLSREL
S_TYPEINDEX

Definition at line 31 of file WebAssemblyMCAsmInfo.h.

◆ Tag

◆ TargetIndex

Enumerator
TI_LOCAL
TI_GLOBAL_FIXED
TI_OPERAND_STACK
TI_GLOBAL_RELOC
TI_LOCAL_INDIRECT

Definition at line 93 of file WebAssembly.h.

◆ WasmAddressSpace

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.

◆ anyTypeToString()

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()

◆ canLowerReturn()

◆ createFastISel()

◆ findCatch()

◆ getCalleeOp()

◆ getCopyOpcodeForRegClass()

◆ GetDefaultP2Align()

◆ GetDefaultP2AlignAny()

◆ getLibcallSignature() [1/2]

Definition at line 555 of file WebAssemblyRuntimeLibcallSignatures.cpp.

References assert(), canLowerMultivalueReturn(), llvm::SmallVectorTemplateCommon< T, typename >::empty(), llvm::wasm::F32, llvm::wasm::F64, llvm::WebAssemblySubtarget::hasAddr64(), llvm::wasm::I32, llvm::wasm::I64, llvm_unreachable, llvm::SmallVectorTemplateBase< T, bool >::push_back(), and unsupported().

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

◆ getLibcallSignature() [2/2]

◆ getOrCreateFuncrefCallTableSymbol()

◆ getOrCreateFunctionTableSymbol()

◆ getRegisterOpcode()

int llvm::WebAssembly::getRegisterOpcode	(	unsigned short	Opcode	)

◆ getStackOpcode()

int llvm::WebAssembly::getStackOpcode	(	unsigned short	Opcode	)

◆ getWARegStackId()

◆ getWasm64Opcode()

int llvm::WebAssembly::getWasm64Opcode	(	unsigned short	Opcode	)

◆ isArgument()

◆ isBrTable()

◆ isCallDirect()

◆ isCallIndirect()

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

◆ isCatch()

◆ isCatchAll()

◆ isChild()

◆ isConst()

◆ isCopy()

◆ isDefaultAddressSpace()

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

◆ isEndMarker()

◆ isLocalGet()

◆ isLocalSet()

◆ isLocalTee()

◆ isMarker()

◆ isRefType()

◆ isScalarConst()

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

◆ isTee()

◆ isTry()

◆ isValidAddressSpace()

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

◆ isWasmVarAddressSpace()

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

◆ isWebAssemblyExternrefType()

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

◆ isWebAssemblyFuncrefType()

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

◆ isWebAssemblyReferenceType()

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

◆ isWebAssemblyTableType()

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

◆ mayThrow()

Definition at line 41 of file WebAssemblyUtilities.cpp.

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

◆ parseBlockType()

Definition at line 34 of file WebAssemblyMCTypeUtilities.cpp.

References llvm::StringSwitch< T, R >::Case(), llvm::StringSwitch< T, R >::Default(), Exnref, Externref, F32, F64, Funcref, I32, I64, Invalid, V128, and Void.

◆ parseMVT()

◆ parseType()

Definition at line 20 of file WebAssemblyMCTypeUtilities.cpp.

References llvm::StringSwitch< T, R >::Case(), llvm::StringSwitch< T, R >::Cases(), llvm::StringSwitch< T, R >::Default(), llvm::wasm::EXNREF, llvm::wasm::EXTERNREF, llvm::wasm::F32, llvm::wasm::F64, llvm::wasm::FUNCREF, llvm::wasm::I32, llvm::wasm::I64, and llvm::wasm::V128.

◆ regClassToValType()

◆ signatureToString()

◆ toValType()

◆ typeListToString()

◆ typeToString()

◆ wasmSymbolSetType()

Sets a Wasm Symbol Type.

Definition at line 69 of file WebAssemblyTypeUtilities.cpp.

References assert(), llvm::wasm::EXTERNREF, llvm::wasm::FUNCREF, llvm::Type::getArrayElementType(), llvm::MCSymbolWasm::getType(), isWebAssemblyExternrefType(), isWebAssemblyFuncrefType(), isWebAssemblyTableType(), llvm::report_fatal_error(), llvm::MCSymbolWasm::setGlobalType(), llvm::MCSymbolWasm::setTableType(), llvm::MCSymbolWasm::setType(), llvm::ArrayRef< T >::size(), toValType(), llvm::wasm::WASM_SYMBOL_TYPE_GLOBAL, and llvm::wasm::WASM_SYMBOL_TYPE_TABLE.

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

◆ ClangCallTerminateFn

◆ CxaBeginCatchFn

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

◆ CxaRethrowFn

◆ End

◆ Nop

◆ PersonalityWrapperFn

◆ StdTerminateFn

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