HUseConst Class Reference

#include <hydrogen-instructions.h>

Inheritance diagram for HUseConst:

Collaboration diagram for HUseConst:

Public Member Functions
	HUseConst (HValue *old_value)
virtual Representation	RequiredInputRepresentation (int index)
Public Member Functions inherited from HUnaryOperation
	HUnaryOperation (HValue *value)
HValue *	value () const
virtual void	PrintDataTo (StringStream *stream)
Public Member Functions inherited from HTemplateInstruction< 1 >
int	OperandCount ()
HValue *	OperandAt (int i) const
Public Member Functions inherited from HInstruction
HInstruction *	next () const
HInstruction *	previous () const
virtual void	PrintTo (StringStream *stream)
bool	IsLinked () const
void	Unlink ()
void	InsertBefore (HInstruction *next)
void	InsertAfter (HInstruction *previous)
int	position () const
bool	has_position () const
void	set_position (int position)
bool	CanTruncateToInt32 () const
virtual LInstruction *	CompileToLithium (LChunkBuilder *builder)=0
virtual bool	IsCall ()
Public Member Functions inherited from HValue
	STATIC_ASSERT (kLastFlag< kBitsPerInt)
virtual Opcode	opcode () const =0
bool	IsPhi () const
	HValue ()
virtual	~HValue ()
HBasicBlock *	block () const
void	SetBlock (HBasicBlock *block)
int	LoopWeight () const
int	id () const
void	set_id (int id)
HUseIterator	uses () const
virtual bool	EmitAtUses ()
Representation	representation () const
void	ChangeRepresentation (Representation r)
void	AssumeRepresentation (Representation r)
virtual bool	IsConvertibleToInteger () const
HType	type () const
void	set_type (HType new_type)
virtual HValue *	EnsureAndPropagateNotMinusZero (BitVector *visited)
bool	IsDefinedAfter (HBasicBlock *other) const
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
bool	CheckUsesForFlag (Flag f)
GVNFlagSet	gvn_flags () const
void	SetGVNFlag (GVNFlag f)
void	ClearGVNFlag (GVNFlag f)
bool	CheckGVNFlag (GVNFlag f) const
void	SetAllSideEffects ()
void	ClearAllSideEffects ()
bool	HasSideEffects () const
bool	HasObservableSideEffects () const
GVNFlagSet	DependsOnFlags () const
GVNFlagSet	SideEffectFlags () const
GVNFlagSet	ChangesFlags () const
GVNFlagSet	ObservableChangesFlags () const
Range *	range () const
bool	HasRange () const
void	AddNewRange (Range *r, Zone *zone)
void	RemoveLastAddedRange ()
void	ComputeInitialRange (Zone *zone)
virtual Representation	InferredRepresentation ()
virtual Representation	ObservedInputRepresentation (int index)
virtual HValue *	Canonicalize ()
bool	Equals (HValue *other)
virtual intptr_t	Hashcode ()
void	PrintNameTo (StringStream *stream)
void	PrintTypeTo (StringStream *stream)
void	PrintRangeTo (StringStream *stream)
void	PrintChangesTo (StringStream *stream)
const char *	Mnemonic () const
bool	UpdateInferredType ()
virtual HType	CalculateInferredType ()
virtual void	SetSideEffectDominator (GVNFlag side_effect, HValue *dominator)
bool	IsDead () const
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)

Additional Inherited Members
Public Types inherited from HValue
enum	Flag {   kFlexibleRepresentation, kUseGVN, kTrackSideEffectDominators, kCanOverflow,   kBailoutOnMinusZero, kCanBeDivByZero, kDeoptimizeOnUndefined, kIsArguments,   kTruncatingToInt32, kIsDead, kUint32, kLastFlag = kUint32 }
enum	Opcode { kPhi }
Static Public Member Functions inherited from HUnaryOperation
static HUnaryOperation *	cast (HValue *value)
Static Public Member Functions inherited from HValue
static GVNFlag	ChangesFlagFromInt (int x)
static GVNFlag	DependsOnFlagFromInt (int x)
static GVNFlagSet	ConvertChangesToDependsFlags (GVNFlagSet flags)
static HValue *	cast (HValue *value)
Static Public Attributes inherited from HValue
static const int	kNoNumber = -1
static const int	kChangesToDependsFlagsLeftShift = 1
Protected Member Functions inherited from HTemplateInstruction< 1 >
void	InternalSetOperandAt (int i, HValue *value)
Protected Member Functions inherited from HInstruction
	HInstruction ()
virtual void	DeleteFromGraph ()
Protected Member Functions inherited from HValue
virtual bool	DataEquals (HValue *other)
virtual void	RepresentationChanged (Representation to)
virtual Range *	InferRange (Zone *zone)
void	clear_block ()
void	set_representation (Representation r)
HUseListNode *	RemoveUse (HValue *value, int index)
void	RegisterUse (int index, HValue *new_value)
Static Protected Member Functions inherited from HValue
static GVNFlagSet	AllDependsOnFlagSet ()
static GVNFlagSet	AllChangesFlagSet ()
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	gvn_flags_

Detailed Description

Definition at line 1221 of file hydrogen-instructions.h.

Constructor & Destructor Documentation

HUseConst ( HValue *  old_value )

inlineexplicit

Definition at line 1223 of file hydrogen-instructions.h.

Member Function Documentation

virtual Representation RequiredInputRepresentation ( int  index )

inlinevirtual

Implements HValue.

Definition at line 1225 of file hydrogen-instructions.h.

References Representation::None().

---

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

• src/hydrogen-instructions.h