#include <hydrogen-instructions.h>

Inheritance diagram for HInstruction:

Collaboration diagram for HInstruction:

Public Member Functions
HInstruction *	next () const

HInstruction *	previous () const

virtual void	PrintTo (StringStream *stream) V8_OVERRIDE

virtual void	PrintDataTo (StringStream *stream)

bool	IsLinked () const

void	Unlink ()

void	InsertBefore (HInstruction *next)

template<class T >
T *	Prepend (T *instr)

void	InsertAfter (HInstruction *previous)

template<class T >
T *	Append (T *instr)

virtual HSourcePosition	position () const V8_OVERRIDE

bool	has_position () const

void	set_position (HSourcePosition position)

virtual HSourcePosition	operand_position (int index) const V8_OVERRIDE

void	set_operand_position (Zone *zone, int index, HSourcePosition pos)

bool	CanTruncateToInt32 () const

virtual LInstruction *	CompileToLithium (LChunkBuilder *builder)=0

bool	CanDeoptimize ()

virtual bool	HasStackCheck ()

Public Member Functions inherited from HValue
	STATIC_ASSERT (kLastFlag< kBitsPerInt)

virtual Opcode	opcode () const =0

bool	IsPhi () const

	HValue (HType type=HType::Tagged())

virtual	~HValue ()

HBasicBlock *	block () const

void	SetBlock (HBasicBlock *block)

Isolate *	isolate () const

int	id () const

void	set_id (int id)

HUseIterator	uses () const

virtual bool	EmitAtUses ()

Representation	representation () const

void	ChangeRepresentation (Representation r)

virtual void	AssumeRepresentation (Representation r)

virtual Representation	KnownOptimalRepresentation ()

HType	type () const

void	set_type (HType new_type)

bool	IsHeapObject ()

virtual int	RedefinedOperandIndex ()

bool	IsInformativeDefinition ()

HValue *	RedefinedOperand ()

bool	CanReplaceWithDummyUses ()

virtual int	argument_delta () const

virtual bool	IsPurelyInformativeDefinition ()

HValue *	ActualValue ()

bool	IsInteger32Constant ()

int32_t	GetInteger32Constant ()

bool	EqualsInteger32Constant (int32_t value)

bool	IsDefinedAfter (HBasicBlock *other) const

virtual int	OperandCount ()=0

virtual HValue *	OperandAt (int index) const =0

void	SetOperandAt (int index, HValue *value)

void	DeleteAndReplaceWith (HValue *other)

void	ReplaceAllUsesWith (HValue *other)

bool	HasNoUses () const

bool	HasMultipleUses () const

int	UseCount () const

void	Kill ()

int	flags () const

void	SetFlag (Flag f)

void	ClearFlag (Flag f)

bool	CheckFlag (Flag f) const

void	CopyFlag (Flag f, HValue *other)

bool	CheckUsesForFlag (Flag f) const

bool	CheckUsesForFlag (Flag f, HValue **value) const

bool	HasAtLeastOneUseWithFlagAndNoneWithout (Flag f) const

GVNFlagSet	ChangesFlags () const

GVNFlagSet	DependsOnFlags () const

void	SetChangesFlag (GVNFlag f)

void	SetDependsOnFlag (GVNFlag f)

void	ClearChangesFlag (GVNFlag f)

void	ClearDependsOnFlag (GVNFlag f)

bool	CheckChangesFlag (GVNFlag f) const

bool	CheckDependsOnFlag (GVNFlag f) const

void	SetAllSideEffects ()

void	ClearAllSideEffects ()

bool	HasSideEffects () const

bool	HasObservableSideEffects () const

GVNFlagSet	SideEffectFlags () const

GVNFlagSet	ObservableChangesFlags () const

Range *	range () const

bool	HasRange () const

void	AddNewRange (Range r, Zone zone)

void	RemoveLastAddedRange ()

void	ComputeInitialRange (Zone *zone)

virtual bool	HasEscapingOperandAt (int index)

virtual bool	HasOutOfBoundsAccess (int size)

virtual Representation	observed_input_representation (int index)

virtual Representation	RequiredInputRepresentation (int index)=0

virtual void	InferRepresentation (HInferRepresentationPhase *h_infer)

virtual HValue *	Canonicalize ()

bool	Equals (HValue *other)

virtual intptr_t	Hashcode ()

virtual void	FinalizeUniqueness ()

void	PrintNameTo (StringStream *stream)

void	PrintTypeTo (StringStream *stream)

void	PrintRangeTo (StringStream *stream)

void	PrintChangesTo (StringStream *stream)

const char *	Mnemonic () const

bool	HasMonomorphicJSObjectType ()

virtual Handle< Map >	GetMonomorphicJSObjectMap ()

bool	UpdateInferredType ()

virtual HType	CalculateInferredType ()

virtual bool	HandleSideEffectDominator (GVNFlag side_effect, HValue *dominator)

bool	CannotBeEliminated () const

virtual bool	TryDecompose (DecompositionResult *decomposition)

bool	ToStringCanBeObserved () const

bool	ToNumberCanBeObserved () const

MinusZeroMode	GetMinusZeroMode ()

Public Member Functions inherited from ZoneObject
	INLINE (void operator new(size_t size, Zone zone))

void	operator delete (void *, size_t)

void	operator delete (void pointer, Zone zone)

Protected Member Functions
	HInstruction (HType type=HType::Tagged())

virtual void	DeleteFromGraph () V8_OVERRIDE

Protected Member Functions inherited from HValue
virtual bool	DataEquals (HValue *other)

virtual Representation	RepresentationFromInputs ()

Representation	RepresentationFromUses ()

Representation	RepresentationFromUseRequirements ()

bool	HasNonSmiUse ()

virtual void	UpdateRepresentation (Representation new_rep, HInferRepresentationPhase h_infer, const char reason)

void	AddDependantsToWorklist (HInferRepresentationPhase *h_infer)

virtual void	RepresentationChanged (Representation to)

virtual Range *	InferRange (Zone *zone)

virtual void	InternalSetOperandAt (int index, HValue *value)=0

void	clear_block ()

void	set_representation (Representation r)

HUseListNode *	RemoveUse (HValue *value, int index)

void	RegisterUse (int index, HValue *new_value)

Friends
class	HBasicBlock

Additional Inherited Members
Public Types inherited from HValue
enum	Flag { kFlexibleRepresentation, kCannotBeTagged, kUseGVN, kTrackSideEffectDominators, kCanOverflow, kBailoutOnMinusZero, kCanBeDivByZero, kLeftCanBeMinInt, kLeftCanBeNegative, kLeftCanBePositive, kAllowUndefinedAsNaN, kIsArguments, kTruncatingToInt32, kAllUsesTruncatingToInt32, kTruncatingToSmi, kAllUsesTruncatingToSmi, kIsDead, kUint32, kHasNoObservableSideEffects, kIsLive, kEndsLiveRange = kIsLive, kLastFlag = kIsLive }

enum	Opcode { kPhi }

Static Public Member Functions inherited from HValue
static HValue *	cast (HValue *value)

Static Public Attributes inherited from HValue
static const int	kNoNumber = -1

static const int	kNoRedefinedOperand = -1

Static Protected Member Functions inherited from HValue
static GVNFlagSet	AllFlagSet ()

static GVNFlagSet	AllSideEffectsFlagSet ()

static GVNFlagSet	AllObservableSideEffectsFlagSet ()

Protected Attributes inherited from HValue
HBasicBlock *	block_

int	id_

Representation	representation_

HType	type_

HUseListNode *	use_list_

Range *	range_

int	flags_

GVNFlagSet	changes_flags_

GVNFlagSet	depends_on_flags_