#include <il.h>

Inheritance diagram for dart::CheckNullInstr:

Public Types
enum	ExceptionType { kNoSuchMethod , kArgumentError , kCastError }

Public Types inherited from dart::TemplateDefinition< 1, Throws, Pure >
using	BaseClass = typename Pure< Definition, PureDefinition >::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 >

Public Member Functions
	CheckNullInstr (Value *value, const String &function_name, intptr_t deopt_id, const InstructionSource &source, ExceptionType exception_type=kNoSuchMethod)

Value *	value () const

virtual TokenPosition	token_pos () const

const String &	function_name () const

ExceptionType	exception_type () const

virtual bool	UseSharedSlowPathStub (bool is_optimizing) const

virtual CompileType	ComputeType () const

virtual bool	RecomputeType ()

virtual bool	ComputeCanDeoptimize () const

virtual bool	ComputeCanDeoptimizeAfterCall () const

virtual bool	CanBecomeDeoptimizationTarget () const

virtual Definition *	Canonicalize (FlowGraph *flow_graph)

virtual bool	AttributesEqual (const Instruction &other) const

virtual Value *	RedefinedValue () const

Public Member Functions inherited from dart::TemplateDefinition< 1, Throws, Pure >
	TemplateDefinition (intptr_t deopt_id=DeoptId::kNone)

	TemplateDefinition (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::PureDefinition
	PureDefinition (intptr_t deopt_id)

	PureDefinition (const InstructionSource &source, intptr_t deopt_id)

virtual bool	AllowsCSE () const

virtual bool	HasUnknownSideEffects () const

Public Member Functions inherited from dart::Definition
	Definition (intptr_t deopt_id=DeoptId::kNone)

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

virtual intptr_t	CallCount () const

intptr_t	temp_index () const

void	set_temp_index (intptr_t index)

void	ClearTempIndex ()

bool	HasTemp () const

intptr_t	ssa_temp_index () const

void	set_ssa_temp_index (intptr_t index)

bool	HasSSATemp () const

void	ClearSSATempIndex ()

intptr_t	vreg (intptr_t index) const

intptr_t	location_count () const

bool	HasPairRepresentation () const

CompileType *	Type ()

bool	HasType () const

bool	IsInt64Definition ()

bool	IsInt32Definition ()

virtual CompileType	ComputeType () const

virtual bool	RecomputeType ()

PRINT_OPERANDS_TO_SUPPORT PRINT_TO_SUPPORT bool	UpdateType (CompileType new_type)

bool	HasUses () const

bool	HasOnlyUse (Value *use) const

bool	HasOnlyInputUse (Value *use) const

Value *	input_use_list () const

void	set_input_use_list (Value *head)

Value *	env_use_list () const

void	set_env_use_list (Value *head)

ValueListIterable	input_uses () const

void	AddInputUse (Value *value)

void	AddEnvUse (Value *value)

virtual bool	MayCreateUnsafeUntaggedPointer () const

virtual bool	CanReplaceWithConstant () const

virtual bool	CanEliminate (const BlockEntryInstr *block) const

void	ReplaceUsesWith (Definition *other)

void	ReplaceWithResult (Instruction replacement, Definition replacement_for_uses, ForwardInstructionIterator *iterator)

void	ReplaceWith (Definition other, ForwardInstructionIterator iterator)

Object &	constant_value ()

virtual void	InferRange (RangeAnalysis analysis, Range range)

Range *	range () const

void	set_range (const Range &)

virtual Definition *	Canonicalize (FlowGraph *flow_graph)

Definition *	Replacement ()

void	SetReplacement (Definition *other)

virtual AliasIdentity	Identity () const

virtual void	SetIdentity (AliasIdentity identity)

Definition *	OriginalDefinition ()

virtual Value *	RedefinedValue () const

Definition *	OriginalDefinitionIgnoreBoxingAndConstraints ()

virtual Definition *	AsDefinition ()

virtual const Definition *	AsDefinition () 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 Member Functions
static void	AddMetadataForRuntimeCall (CheckNullInstr check_null, FlowGraphCompiler compiler)

Static Public Member Functions inherited from dart::Definition
static bool	IsArrayLength (Definition *def)

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)

Additional Inherited Members
Static Public Attributes inherited from dart::Definition
static constexpr intptr_t	kReplacementMarker = -2

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

Protected Member Functions inherited from dart::Definition
void	set_type (CompileType *type)

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::TemplateDefinition< 1, Throws, Pure >
EmbeddedArray< Value *, N >	inputs_

Protected Attributes inherited from dart::Definition
Range *	range_ = nullptr

Detailed Description

Definition at line 10679 of file il.h.

Member Enumeration Documentation

◆ ExceptionType

enum dart::CheckNullInstr::ExceptionType

Enumerator
kNoSuchMethod
kArgumentError
kCastError

Definition at line 10681 of file il.h.

                     {
    kNoSuchMethod,
    kArgumentError,
    kCastError,
  };

Constructor & Destructor Documentation

◆ CheckNullInstr()

dart::CheckNullInstr::CheckNullInstr	(	Value *	value,
		const String &	function_name,
		intptr_t	deopt_id,
		const InstructionSource &	source,
		ExceptionType	exception_type = `kNoSuchMethod`
	)

inline

Definition at line 10687 of file il.h.

      : TemplateDefinition(source, deopt_id),
        token_pos_(source.token_pos),
        function_name_(function_name),
        exception_type_(exception_type) {
    DEBUG_ASSERT(function_name.IsNotTemporaryScopedHandle());
    ASSERT(function_name.IsSymbol());
    SetInputAt(0, value);
  }

Member Function Documentation

◆ AddMetadataForRuntimeCall()

void dart::CheckNullInstr::AddMetadataForRuntimeCall	(	CheckNullInstr *	check_null,
		FlowGraphCompiler *	compiler
	)

static

Definition at line 6278 of file il.cc.

                                                                            {
  compiler->AddNullCheck(check_null->source(), check_null->function_name());
}

◆ AttributesEqual()

bool dart::CheckNullInstr::AttributesEqual ( const Instruction & other ) const

virtual

Reimplemented from dart::Instruction.

Definition at line 4000 of file il.cc.

                                                                   {
  auto const other_check = other.AsCheckNull();
  ASSERT(other_check != nullptr);
  return function_name().Equals(other_check->function_name()) &&
         exception_type() == other_check->exception_type();
}

◆ CanBecomeDeoptimizationTarget()

virtual bool dart::CheckNullInstr::CanBecomeDeoptimizationTarget ( ) const

inlinevirtual

Reimplemented from dart::Instruction.

Definition at line 10721 of file il.h.

10721{ return true; }

◆ Canonicalize()

Definition * dart::CheckNullInstr::Canonicalize ( FlowGraph * flow_graph )

virtual

Reimplemented from dart::Definition.

Definition at line 3996 of file il.cc.

                                                              {
  return (!value()->Type()->is_nullable()) ? value()->definition() : this;
}

◆ ComputeCanDeoptimize()

virtual bool dart::CheckNullInstr::ComputeCanDeoptimize ( ) const

inlinevirtual

Implements dart::Instruction.

Definition at line 10717 of file il.h.

10717{ return false; }

◆ ComputeCanDeoptimizeAfterCall()

virtual bool dart::CheckNullInstr::ComputeCanDeoptimizeAfterCall ( ) const

inlinevirtual

Reimplemented from dart::Instruction.

Definition at line 10718 of file il.h.

                                                     {
    return !CompilerState::Current().is_aot();
  }

◆ ComputeType()

CompileType dart::CheckNullInstr::ComputeType ( ) const

virtual

Reimplemented from dart::Definition.

Definition at line 1159 of file type_propagator.cc.

                                              {
  CompileType* type = value()->Type();
  if (type->is_nullable()) {
    CompileType result = type->CopyNonNullable();
    if (!result.IsNone()) {
      return result;
    }
  }
  return *type;
}

◆ exception_type()

ExceptionType dart::CheckNullInstr::exception_type ( ) const

inline

Definition at line 10704 of file il.h.

10704{ return exception_type_; }

◆ function_name()

const String & dart::CheckNullInstr::function_name ( ) const

inline

Definition at line 10703 of file il.h.

10703{ return function_name_; }

◆ RecomputeType()

bool dart::CheckNullInstr::RecomputeType ( )

virtual

Reimplemented from dart::Definition.

Definition at line 1170 of file type_propagator.cc.

                                   {
  return UpdateType(ComputeType());
}

◆ RedefinedValue()

Value * dart::CheckNullInstr::RedefinedValue ( ) const

virtual

Reimplemented from dart::Definition.

Definition at line 565 of file il.cc.

                                            {
  return value();
}

◆ token_pos()

virtual TokenPosition dart::CheckNullInstr::token_pos ( ) const

inlinevirtual

Reimplemented from dart::Instruction.

Definition at line 10702 of file il.h.

10702{ return token_pos_; }

◆ UseSharedSlowPathStub()

virtual bool dart::CheckNullInstr::UseSharedSlowPathStub ( bool is_optimizing ) const

inlinevirtual

Reimplemented from dart::Instruction.

Definition at line 10706 of file il.h.

                                                               {
    return SlowPathSharingSupported(is_optimizing);
  }

◆ value()

Value * dart::CheckNullInstr::value ( ) const

inline

Definition at line 10701 of file il.h.

10701{ return inputs_[0]; }

dart::TemplateDefinition< 1, Throws, Pure >::inputs_

EmbeddedArray< Value *, N > inputs_

Definition: il.h:2762

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

Public Types

Public Member Functions

Static Public Member Functions

Additional Inherited Members

Detailed Description

Member Enumeration Documentation

◆ ExceptionType

Constructor & Destructor Documentation

◆ CheckNullInstr()

Member Function Documentation

◆ AddMetadataForRuntimeCall()

◆ AttributesEqual()

◆ CanBecomeDeoptimizationTarget()

◆ Canonicalize()

◆ ComputeCanDeoptimize()

◆ ComputeCanDeoptimizeAfterCall()

◆ ComputeType()

◆ exception_type()

◆ function_name()

◆ RecomputeType()

◆ RedefinedValue()

◆ token_pos()

◆ UseSharedSlowPathStub()

◆ value()