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HInstruction Class Referenceabstract

#include <hydrogen-instructions.h>

Inheritance diagram for HInstruction:
Collaboration diagram for HInstruction:

Public Member Functions

HInstructionnext () const
 
HInstructionprevious () const
 
virtual void PrintTo (StringStream *stream)
 
virtual void PrintDataTo (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 LInstructionCompileToLithium (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 ()
 
HBasicBlockblock () 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 HValueEnsureAndPropagateNotMinusZero (BitVector *visited)
 
bool IsDefinedAfter (HBasicBlock *other) const
 
virtual int OperandCount ()=0
 
virtual HValueOperandAt (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
 
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
 
Rangerange () const
 
bool HasRange () const
 
void AddNewRange (Range *r, Zone *zone)
 
void RemoveLastAddedRange ()
 
void ComputeInitialRange (Zone *zone)
 
virtual Representation RequiredInputRepresentation (int index)=0
 
virtual Representation InferredRepresentation ()
 
virtual Representation ObservedInputRepresentation (int index)
 
virtual HValueCanonicalize ()
 
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)
 

Protected Member Functions

 HInstruction ()
 
virtual void DeleteFromGraph ()
 
- Protected Member Functions inherited from HValue
virtual bool DataEquals (HValue *other)
 
virtual void RepresentationChanged (Representation to)
 
virtual RangeInferRange (Zone *zone)
 
virtual void InternalSetOperandAt (int index, HValue *value)=0
 
void clear_block ()
 
void set_representation (Representation r)
 
HUseListNodeRemoveUse (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, kUseGVN, kTrackSideEffectDominators, kCanOverflow,
  kBailoutOnMinusZero, kCanBeDivByZero, kDeoptimizeOnUndefined, kIsArguments,
  kTruncatingToInt32, kIsDead, kUint32, kLastFlag = kUint32
}
 
enum  Opcode { kPhi }
 
- Static Public Member Functions inherited from HValue
static GVNFlag ChangesFlagFromInt (int x)
 
static GVNFlag DependsOnFlagFromInt (int x)
 
static GVNFlagSet ConvertChangesToDependsFlags (GVNFlagSet flags)
 
static HValuecast (HValue *value)
 
- Static Public Attributes inherited from HValue
static const int kNoNumber = -1
 
static const int kChangesToDependsFlagsLeftShift = 1
 
- Static Protected Member Functions inherited from HValue
static GVNFlagSet AllDependsOnFlagSet ()
 
static GVNFlagSet AllChangesFlagSet ()
 
static GVNFlagSet AllSideEffectsFlagSet ()
 
static GVNFlagSet AllObservableSideEffectsFlagSet ()
 
- Protected Attributes inherited from HValue
HBasicBlockblock_
 
int id_
 
Representation representation_
 
HType type_
 
HUseListNodeuse_list_
 
Rangerange_
 
int flags_
 
GVNFlagSet gvn_flags_
 

Detailed Description

Definition at line 875 of file hydrogen-instructions.h.

Constructor & Destructor Documentation

HInstruction ( )
inlineprotected

Definition at line 910 of file hydrogen-instructions.h.

References HValue::SetGVNFlag().

Member Function Documentation

bool CanTruncateToInt32 ( ) const
inline
virtual LInstruction* CompileToLithium ( LChunkBuilder *  builder)
pure virtual
virtual void DeleteFromGraph ( )
inlineprotectedvirtual

Implements HValue.

Definition at line 917 of file hydrogen-instructions.h.

References HInstruction::Unlink().

Referenced by HStackCheck::Eliminate().

bool has_position ( ) const
inline

Definition at line 890 of file hydrogen-instructions.h.

Referenced by HInstruction::set_position().

virtual bool IsCall ( )
inlinevirtual

Reimplemented in HCall< V >, HCall< 0 >, HCall< 1 >, and HCall< 2 >.

Definition at line 905 of file hydrogen-instructions.h.

int position ( ) const
inline

Definition at line 889 of file hydrogen-instructions.h.

Referenced by HInstruction::set_position().

HInstruction* previous ( ) const
inline
void PrintTo ( StringStream stream)
virtual
void set_position ( int  position)
inline

Friends And Related Function Documentation

friend class HBasicBlock
friend

Definition at line 931 of file hydrogen-instructions.h.


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