#include <il.h>

Inheritance diagram for dart::NativeEntryInstr:

Public Member Functions
	NativeEntryInstr (const compiler::ffi::CallbackMarshaller &marshaller, GraphEntryInstr *graph_entry, intptr_t block_id, intptr_t try_index, intptr_t deopt_id)

DECLARE_INSTRUCTION_SERIALIZABLE_FIELDS(NativeEntryInstr, FunctionEntryInstr, FIELD_LIST) private void	SaveArgument (FlowGraphCompiler *compiler, const compiler::ffi::NativeLocation &loc) const

Public Member Functions inherited from dart::FunctionEntryInstr
	FunctionEntryInstr (GraphEntryInstr *graph_entry, intptr_t block_id, intptr_t try_index, intptr_t deopt_id)

virtual intptr_t	PredecessorCount () const

virtual BlockEntryInstr *	PredecessorAt (intptr_t index) const

GraphEntryInstr *	graph_entry () const

Public Member Functions inherited from dart::BlockEntryWithInitialDefs
	BlockEntryWithInitialDefs (intptr_t block_id, intptr_t try_index, intptr_t deopt_id, intptr_t stack_depth)

GrowableArray< Definition * > *	initial_definitions ()

const GrowableArray< Definition * > *	initial_definitions () const

virtual BlockEntryWithInitialDefs *	AsBlockEntryWithInitialDefs ()

virtual const BlockEntryWithInitialDefs *	AsBlockEntryWithInitialDefs () const

Public Member Functions inherited from dart::BlockEntryInstr
virtual intptr_t	PredecessorCount () const =0

virtual BlockEntryInstr *	PredecessorAt (intptr_t index) const =0

intptr_t	preorder_number () const

void	set_preorder_number (intptr_t number)

intptr_t	postorder_number () const

void	set_postorder_number (intptr_t number)

intptr_t	block_id () const

void	set_start_pos (intptr_t pos)

intptr_t	start_pos () const

void	set_end_pos (intptr_t pos)

intptr_t	end_pos () const

BlockEntryInstr *	dominator () const

BlockEntryInstr *	ImmediateDominator () const

const GrowableArray< BlockEntryInstr * > &	dominated_blocks ()

void	AddDominatedBlock (BlockEntryInstr *block)

void	ClearDominatedBlocks ()

bool	Dominates (BlockEntryInstr *other) const

Instruction *	last_instruction () const

void	set_last_instruction (Instruction *instr)

ParallelMoveInstr *	parallel_move () const

bool	HasParallelMove () const

bool	HasNonRedundantParallelMove () const

ParallelMoveInstr *	GetParallelMove ()

bool	DiscoverBlock (BlockEntryInstr predecessor, GrowableArray< BlockEntryInstr > preorder, GrowableArray< intptr_t > parent)

virtual bool	CanBecomeDeoptimizationTarget () const

virtual bool	ComputeCanDeoptimize () const

virtual bool	HasUnknownSideEffects () const

intptr_t	try_index () const

void	set_try_index (intptr_t index)

bool	InsideTryBlock () const

LoopInfo *	loop_info () const

void	set_loop_info (LoopInfo *loop_info)

bool	IsLoopHeader () const

intptr_t	NestingDepth () const

virtual BlockEntryInstr *	GetBlock ()

virtual TokenPosition	token_pos () const

void	ReplaceAsPredecessorWith (BlockEntryInstr *new_block)

void	set_block_id (intptr_t block_id)

intptr_t	stack_depth () const

void	set_stack_depth (intptr_t s)

void	ClearAllInstructions ()

InstructionsIterable	instructions ()

Public Member Functions inherited from dart::TemplateInstruction< 0, NoThrow >
	TemplateInstruction (intptr_t deopt_id=DeoptId::kNone)

	TemplateInstruction (const InstructionSource &source, intptr_t deopt_id=DeoptId::kNone)

virtual intptr_t	InputCount () const

virtual Value *	InputAt (intptr_t i) const

virtual bool	MayThrow () const

Public Member Functions inherited from dart::Instruction
	Instruction (const InstructionSource &source, intptr_t deopt_id=DeoptId::kNone)

	Instruction (intptr_t deopt_id=DeoptId::kNone)

virtual	~Instruction ()

virtual Tag	tag () const =0

virtual intptr_t	statistics_tag () const

intptr_t	deopt_id () const

virtual TokenPosition	token_pos () const

InstructionSource	source () const

virtual intptr_t	InputCount () const =0

virtual Value *	InputAt (intptr_t i) const =0

void	SetInputAt (intptr_t i, Value *value)

InputsIterable	inputs ()

void	UnuseAllInputs ()

virtual intptr_t	ArgumentCount () const

Value *	ArgumentValueAt (intptr_t index) const

Definition *	ArgumentAt (intptr_t index) const

virtual void	SetMoveArguments (MoveArgumentsArray *move_arguments)

virtual MoveArgumentsArray *	GetMoveArguments () const

virtual void	ReplaceInputsWithMoveArguments (MoveArgumentsArray *move_arguments)

bool	HasMoveArguments () const

void	RepairArgumentUsesInEnvironment () const

virtual bool	ComputeCanDeoptimize () const =0

virtual bool	ComputeCanDeoptimizeAfterCall () const

bool	CanDeoptimize () const

virtual void	Accept (InstructionVisitor *visitor)=0

Instruction *	previous () const

void	set_previous (Instruction *instr)

Instruction *	next () const

void	set_next (Instruction *instr)

void	LinkTo (Instruction *next)

Instruction *	RemoveFromGraph (bool return_previous=true)

virtual intptr_t	SuccessorCount () const

virtual BlockEntryInstr *	SuccessorAt (intptr_t index) const

SuccessorsIterable	successors () const

void	Goto (JoinEntryInstr *entry)

virtual const char *	DebugName () const =0

void	CheckField (const Field &field) const

const char *	ToCString () const

	DECLARE_INSTRUCTION_TYPE_CHECK (BlockEntryWithInitialDefs, BlockEntryWithInitialDefs) template< typename T > T *Cast()

template<typename T >
const T *	Cast () const

LocationSummary *	locs ()

bool	HasLocs () const

virtual LocationSummary *	MakeLocationSummary (Zone *zone, bool is_optimizing) const =0

void	InitializeLocationSummary (Zone *zone, bool optimizing)

virtual void	EmitNativeCode (FlowGraphCompiler *compiler)

Environment *	env () const

void	SetEnvironment (Environment *deopt_env)

void	RemoveEnvironment ()

void	ReplaceInEnvironment (Definition current, Definition replacement)

virtual intptr_t	NumberOfInputsConsumedBeforeCall () const

intptr_t	GetPassSpecificId (CompilerPass::Id pass) const

void	SetPassSpecificId (CompilerPass::Id pass, intptr_t id)

bool	HasPassSpecificId (CompilerPass::Id pass) const

bool	HasUnmatchedInputRepresentations () const

virtual Representation	RequiredInputRepresentation (intptr_t idx) const

SpeculativeMode	SpeculativeModeOfInputs () const

virtual SpeculativeMode	SpeculativeModeOfInput (intptr_t index) const

virtual Representation	representation () const

bool	WasEliminated () const

virtual intptr_t	DeoptimizationTarget () const

virtual Instruction *	Canonicalize (FlowGraph *flow_graph)

void	InsertBefore (Instruction *next)

void	InsertAfter (Instruction *prev)

Instruction *	AppendInstruction (Instruction *tail)

virtual bool	AllowsCSE () const

virtual bool	HasUnknownSideEffects () const =0

virtual bool	CanCallDart () const

virtual bool	CanTriggerGC () const

virtual BlockEntryInstr *	GetBlock ()

virtual intptr_t	inlining_id () const

virtual void	set_inlining_id (intptr_t value)

virtual bool	has_inlining_id () const

virtual uword	Hash () const

bool	Equals (const Instruction &other) const

virtual bool	AttributesEqual (const Instruction &other) const

void	InheritDeoptTarget (Zone zone, Instruction other)

bool	NeedsEnvironment () const

virtual bool	CanBecomeDeoptimizationTarget () const

void	InheritDeoptTargetAfter (FlowGraph flow_graph, Definition call, Definition *result)

virtual bool	MayThrow () const =0

virtual bool	MayHaveVisibleEffect () const

virtual bool	CanEliminate (const BlockEntryInstr *block) const

bool	CanEliminate ()

bool	IsDominatedBy (Instruction *dom)

void	ClearEnv ()

void	Unsupported (FlowGraphCompiler *compiler)

virtual bool	UseSharedSlowPathStub (bool is_optimizing) const

Location::Kind	RegisterKindForResult () const

Public Member Functions inherited from dart::ZoneAllocated
	ZoneAllocated ()

void *	operator new (size_t size)

void *	operator new (size_t size, Zone *zone)

void	operator delete (void *pointer)

Static Public Attributes
static constexpr intptr_t	kVMTagOffsetFromFp

Static Public Attributes inherited from dart::Instruction
static const intptr_t	kInstructionAttrs [kNumInstructions]

Additional Inherited Members
Public Types inherited from dart::TemplateInstruction< 0, NoThrow >
using	BaseClass = typename NoCSE< Instruction, PureInstruction >::Base

Public Types inherited from dart::Instruction
enum	Tag { FOR_EACH_INSTRUCTION =(DECLARE_TAG) kNumInstructions }

enum	SpeculativeMode { kGuardInputs , kNotSpeculative }

using	InputsIterable = InstructionIndexedPropertyIterable< InputsTrait >

using	SuccessorsIterable = InstructionIndexedPropertyIterable< SuccessorsTrait >

Static Public Member Functions inherited from dart::Instruction
static const ICData *	GetICData (const ZoneGrowableArray< const ICData * > &ic_data_array, intptr_t deopt_id, bool is_static_call)

static LocationSummary *	MakeCallSummary (Zone zone, const Instruction instr, LocationSummary *locs=nullptr)

static bool	SlowPathSharingSupported (bool is_optimizing)

Protected Member Functions inherited from dart::BlockEntryWithInitialDefs
virtual void	PrintBlockHeaderTo (BaseTextBuffer *f) const

void	PrintInitialDefinitionsTo (BaseTextBuffer f, std::function< void(BaseTextBuffer f)> callback) const

Protected Member Functions inherited from dart::BlockEntryInstr
	BlockEntryInstr (intptr_t block_id, intptr_t try_index, intptr_t deopt_id, intptr_t stack_depth)

bool	FindOsrEntryAndRelink (GraphEntryInstr graph_entry, Instruction parent, BitVector *block_marks)

Protected Member Functions inherited from dart::Instruction
intptr_t	GetDeoptId () const

virtual void	CopyDeoptIdFrom (const Instruction &instr)

void	WriteExtraWithoutInputs (FlowGraphSerializer *s)

void	ReadExtraWithoutInputs (FlowGraphDeserializer *d)

Protected Attributes inherited from dart::TemplateInstruction< 0, NoThrow >
EmbeddedArray< Value *, N >	inputs_

Detailed Description

Definition at line 2233 of file il.h.

Constructor & Destructor Documentation

◆ NativeEntryInstr()

dart::NativeEntryInstr::NativeEntryInstr	(	const compiler::ffi::CallbackMarshaller &	marshaller,
		GraphEntryInstr *	graph_entry,
		intptr_t	block_id,
		intptr_t	try_index,
		intptr_t	deopt_id
	)

inline

Definition at line 2238 of file il.h.

2243 : FunctionEntryInstr(graph_entry, block_id, try_index, deopt_id),

2244 marshaller_(marshaller) {}

dart::BlockEntryInstr::try_index

intptr_t try_index() const

Definition: il.h:1730

dart::BlockEntryInstr::block_id

intptr_t block_id() const

Definition: il.h:1661

dart::FunctionEntryInstr::graph_entry

GraphEntryInstr * graph_entry() const

Definition: il.h:2212

dart::FunctionEntryInstr::FunctionEntryInstr

FunctionEntryInstr(GraphEntryInstr *graph_entry, intptr_t block_id, intptr_t try_index, intptr_t deopt_id)

Definition: il.h:2192

dart::Instruction::deopt_id

intptr_t deopt_id() const

Definition: il.h:993

Member Function Documentation

◆ SaveArgument()

void dart::NativeEntryInstr::SaveArgument	(	FlowGraphCompiler *	compiler,
		const compiler::ffi::NativeLocation &	loc
	)		const

Definition at line 4420 of file il.cc.

                                                 {
  if (nloc.IsStack()) return;
 
  if (nloc.IsRegisters()) {
    const auto& reg_loc = nloc.WidenTo4Bytes(compiler->zone()).AsRegisters();
    const intptr_t num_regs = reg_loc.num_regs();
    // Save higher-order component first, so bytes are in little-endian layout
    // overall.
    for (intptr_t i = num_regs - 1; i >= 0; i--) {
      __ PushRegister(reg_loc.reg_at(i));
    }
  } else if (nloc.IsFpuRegisters()) {
    // TODO(dartbug.com/40469): Reduce code size.
    __ AddImmediate(SPREG, -8);
    NoTemporaryAllocator temp_alloc;
    const auto& dst = compiler::ffi::NativeStackLocation(
        nloc.payload_type(), nloc.payload_type(), SPREG, 0);
    compiler->EmitNativeMove(dst, nloc, &temp_alloc);
  } else if (nloc.IsPointerToMemory()) {
    const auto& pointer_loc = nloc.AsPointerToMemory().pointer_location();
    if (pointer_loc.IsRegisters()) {
      const auto& regs_loc = pointer_loc.AsRegisters();
      ASSERT(regs_loc.num_regs() == 1);
      __ PushRegister(regs_loc.reg_at(0));
    } else {
      ASSERT(pointer_loc.IsStack());
      // It's already on the stack, so we don't have to save it.
    }
  } else if (nloc.IsMultiple()) {
    const auto& multiple = nloc.AsMultiple();
    const intptr_t num = multiple.locations().length();
    // Save the argument registers, in reverse order.
    for (intptr_t i = num; i-- > 0;) {
      SaveArgument(compiler, *multiple.locations().At(i));
    }
  } else {
    ASSERT(nloc.IsBoth());
    const auto& both = nloc.AsBoth();
    SaveArgument(compiler, both.location(0));
  }
}

Member Data Documentation

◆ kVMTagOffsetFromFp

constexpr intptr_t dart::NativeEntryInstr::kVMTagOffsetFromFp

staticconstexpr

Initial value:

=

5 * compiler::target::kWordSize

dart::compiler::target::kWordSize

static constexpr intptr_t kWordSize

Definition: runtime_api.h:274

Definition at line 2235 of file il.h.

The documentation for this class was generated from the following files:

third_party/dart-lang/sdk/runtime/vm/compiler/backend/il.h
third_party/dart-lang/sdk/runtime/vm/compiler/backend/il.cc

Public Member Functions

Static Public Attributes