#include <il.h>

Inheritance diagram for dart::BoxInstr:

Public Member Functions
Value *	value () const

Representation	from_representation () const

virtual CompileType	ComputeType () const

virtual bool	ComputeCanDeoptimize () const

virtual intptr_t	DeoptimizationTarget () const

virtual Representation	RequiredInputRepresentation (intptr_t idx) const

virtual bool	AttributesEqual (const Instruction &other) const

Definition *	Canonicalize (FlowGraph *flow_graph)

virtual TokenPosition	token_pos () const

virtual SpeculativeMode	SpeculativeModeOfInput (intptr_t index) const

	DECLARE_INSTRUCTION_SERIALIZABLE_FIELDS (BoxInstr, TemplateDefinition, FIELD_LIST) protected

Public Member Functions inherited from dart::TemplateDefinition< 1, NoThrow, 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 BoxInstr *	Create (Representation from, Value *value)

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
Public Types inherited from dart::TemplateDefinition< 1, NoThrow, 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 >

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, NoThrow, Pure >
EmbeddedArray< Value *, N >	inputs_

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

Detailed Description

Definition at line 8524 of file il.h.

Member Function Documentation

◆ AttributesEqual()

virtual bool dart::BoxInstr::AttributesEqual ( const Instruction & other ) const

inlinevirtual

Reimplemented from dart::Instruction.

Definition at line 8542 of file il.h.

                                                               {
    return other.AsBox()->from_representation() == from_representation();
  }

◆ Canonicalize()

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

virtual

Reimplemented from dart::Definition.

Reimplemented in dart::BoxIntegerInstr, and dart::BoxInt64Instr.

Definition at line 3195 of file il.cc.

                                                        {
  if (input_use_list() == nullptr) {
    // Environments can accommodate any representation. No need to box.
    return value()->definition();
  }
 
  // Fold away Box<rep>(v) if v has a target representation already.
  Definition* value_defn = value()->definition();
  if (value_defn->representation() == representation()) {
    return value_defn;
  }
 
  // Fold away Box<rep>(Unbox<rep>(v)) if value is known to be of the
  // right class.
  UnboxInstr* unbox_defn = value()->definition()->AsUnbox();
  if ((unbox_defn != nullptr) &&
      (unbox_defn->representation() == from_representation()) &&
      (unbox_defn->value()->Type()->ToCid() == Type()->ToCid())) {
    if (from_representation() == kUnboxedFloat) {
      // This is a narrowing conversion.
      return this;
    }
    return unbox_defn->value()->definition();
  }
 
  if (value()->BindsToConstant()) {
    switch (representation()) {
      case kUnboxedFloat64x2:
        ASSERT(value()->BoundConstant().IsFloat64x2());
        return flow_graph->GetConstant(value()->BoundConstant(), kTagged);
      case kUnboxedFloat32x4:
        ASSERT(value()->BoundConstant().IsFloat32x4());
        return flow_graph->GetConstant(value()->BoundConstant(), kTagged);
      case kUnboxedInt32x4:
        ASSERT(value()->BoundConstant().IsInt32x4());
        return flow_graph->GetConstant(value()->BoundConstant(), kTagged);
      default:
        return this;
    }
  }
 
  return this;
}

◆ ComputeCanDeoptimize()

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

inlinevirtual

Implements dart::Instruction.

Definition at line 8534 of file il.h.

8534{ return false; }

◆ ComputeType()

CompileType dart::BoxInstr::ComputeType ( ) const

virtual

Reimplemented from dart::Definition.

Reimplemented in dart::BoxIntegerInstr.

Definition at line 1795 of file type_propagator.cc.

                                        {
  return CompileType::FromUnboxedRepresentation(from_representation());
}

◆ Create()

BoxInstr * dart::BoxInstr::Create	(	Representation	from,
		Value *	value
	)

static

Definition at line 4007 of file il.cc.

                                                            {
  switch (from) {
    case kUnboxedInt8:
    case kUnboxedUint8:
    case kUnboxedInt16:
    case kUnboxedUint16:
#if defined(HAS_SMI_63_BITS)
    case kUnboxedInt32:
    case kUnboxedUint32:
#endif
      return new BoxSmallIntInstr(from, value);
 
#if !defined(HAS_SMI_63_BITS)
    case kUnboxedInt32:
      return new BoxInt32Instr(value);
 
    case kUnboxedUint32:
      return new BoxUint32Instr(value);
#endif
 
    case kUnboxedInt64:
      return new BoxInt64Instr(value);
 
    case kUnboxedDouble:
    case kUnboxedFloat:
    case kUnboxedFloat32x4:
    case kUnboxedFloat64x2:
    case kUnboxedInt32x4:
      return new BoxInstr(from, value);
 
    default:
      UNREACHABLE();
      return nullptr;
  }
}

◆ DECLARE_INSTRUCTION_SERIALIZABLE_FIELDS()

dart::BoxInstr::DECLARE_INSTRUCTION_SERIALIZABLE_FIELDS	(	BoxInstr	,
		TemplateDefinition	,
		FIELD_LIST
	)

inline

Definition at line 8556 of file il.h.

          :
  BoxInstr(Representation from_representation, Value* value)
      : from_representation_(from_representation) {
    SetInputAt(0, value);
  }

◆ DeoptimizationTarget()

virtual intptr_t dart::BoxInstr::DeoptimizationTarget ( ) const

inlinevirtual

Reimplemented from dart::Instruction.

Definition at line 8535 of file il.h.

8535{ return DeoptId::kNone; }

dart::DeoptId::kNone

static constexpr intptr_t kNone

Definition: deopt_id.h:27

◆ from_representation()

Representation dart::BoxInstr::from_representation ( ) const

inline

Definition at line 8529 of file il.h.

8529{ return from_representation_; }

◆ RequiredInputRepresentation()

virtual Representation dart::BoxInstr::RequiredInputRepresentation ( intptr_t idx ) const

inlinevirtual

Reimplemented from dart::Instruction.

Definition at line 8537 of file il.h.

                                                                         {
    ASSERT(idx == 0);
    return from_representation();
  }

◆ SpeculativeModeOfInput()

virtual SpeculativeMode dart::BoxInstr::SpeculativeModeOfInput ( intptr_t index ) const

inlinevirtual

Reimplemented from dart::Instruction.

Definition at line 8550 of file il.h.

                                                                       {
    return kNotSpeculative;
  }

◆ token_pos()

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

inlinevirtual

Reimplemented from dart::Instruction.

Definition at line 8548 of file il.h.

8548{ return TokenPosition::kBox; }

◆ value()

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

inline

Definition at line 8528 of file il.h.

8528{ return inputs_[0]; }

dart::TemplateDefinition< 1, NoThrow, 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 Member Functions

Static Public Member Functions

Additional Inherited Members

Detailed Description

Member Function Documentation

◆ AttributesEqual()

◆ Canonicalize()

◆ ComputeCanDeoptimize()

◆ ComputeType()

◆ Create()

◆ DECLARE_INSTRUCTION_SERIALIZABLE_FIELDS()

◆ DeoptimizationTarget()

◆ from_representation()

◆ RequiredInputRepresentation()

◆ SpeculativeModeOfInput()

◆ token_pos()

◆ value()