V8 Project
v8::internal::HAllocateBlockContext Class Reference

#include <hydrogen-instructions.h>

+ Inheritance diagram for v8::internal::HAllocateBlockContext:
+ Collaboration diagram for v8::internal::HAllocateBlockContext:

Public Member Functions

 DECLARE_INSTRUCTION_FACTORY_P3 (HAllocateBlockContext, HValue *, HValue *, Handle< ScopeInfo >)
 
HValuecontext () const
 
HValuefunction () const
 
Handle< ScopeInfoscope_info () const
 
virtual Representation RequiredInputRepresentation (int index)
 
virtual OStreamPrintDataTo (OStream &os) const
 
- Public Member Functions inherited from v8::internal::HTemplateInstruction< 2 >
virtual int OperandCount () const FINAL OVERRIDE
 
virtual HValueOperandAt (int i) const FINAL OVERRIDE
 
- Public Member Functions inherited from v8::internal::HInstruction
HInstructionnext () const
 
HInstructionprevious () const
 
virtual OStreamPrintTo (OStream &os) const OVERRIDE
 
bool IsLinked () const
 
void Unlink ()
 
void InsertBefore (HInstruction *next)
 
template<class T >
TPrepend (T *instr)
 
void InsertAfter (HInstruction *previous)
 
template<class T >
TAppend (T *instr)
 
virtual HSourcePosition position () const OVERRIDE
 
bool has_position () const
 
void set_position (HSourcePosition position)
 
virtual HSourcePosition operand_position (int index) const OVERRIDE
 
void set_operand_position (Zone *zone, int index, HSourcePosition pos)
 
bool Dominates (HInstruction *other)
 
bool CanTruncateToSmi () const
 
bool CanTruncateToInt32 () const
 
virtual LInstructionCompileToLithium (LChunkBuilder *builder)=0
 
bool CanDeoptimize ()
 
virtual bool HasStackCheck ()
 
- Public Member Functions inherited from v8::internal::HValue
 STATIC_ASSERT (kLastFlag< kBitsPerInt)
 
virtual Opcode opcode () const =0
 
bool IsPhi () const
 
bool IsBitwiseBinaryShift ()
 
 HValue (HType type=HType::Tagged())
 
virtual ~HValue ()
 
HBasicBlock * block () const
 
void SetBlock (HBasicBlock *block)
 
Isolateisolate () 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)
 
virtual int RedefinedOperandIndex ()
 
bool IsInformativeDefinition ()
 
HValueRedefinedOperand ()
 
bool CanReplaceWithDummyUses ()
 
virtual int argument_delta () const
 
virtual bool IsPurelyInformativeDefinition ()
 
HValueActualValue ()
 
bool IsInteger32Constant ()
 
int32_t GetInteger32Constant ()
 
bool EqualsInteger32Constant (int32_t value)
 
bool IsDefinedAfter (HBasicBlock *other) const
 
void SetOperandAt (int index, HValue *value)
 
void DeleteAndReplaceWith (HValue *other)
 
void ReplaceAllUsesWith (HValue *other)
 
bool HasNoUses () const
 
bool HasOneUse () 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 void InferRepresentation (HInferRepresentationPhase *h_infer)
 
virtual HValueCanonicalize ()
 
bool Equals (HValue *other)
 
virtual intptr_t Hashcode ()
 
virtual void FinalizeUniqueness ()
 
const char * Mnemonic () const
 
bool HasMonomorphicJSObjectType ()
 
virtual Handle< MapGetMonomorphicJSObjectMap ()
 
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 v8::internal::ZoneObject
 INLINE (void *operator new(size_t size, Zone *zone))
 
void operator delete (void *, size_t)
 
void operator delete (void *pointer, Zone *zone)
 

Private Member Functions

 HAllocateBlockContext (HValue *context, HValue *function, Handle< ScopeInfo > scope_info)
 

Private Attributes

Handle< ScopeInfoscope_info_
 

Additional Inherited Members

- Public Types inherited from v8::internal::HValue
enum  Flag {
  kFlexibleRepresentation , kCannotBeTagged , kUseGVN , kTrackSideEffectDominators ,
  kCanOverflow , kBailoutOnMinusZero , kCanBeDivByZero , kLeftCanBeMinInt ,
  kLeftCanBeNegative , kLeftCanBePositive , kAllowUndefinedAsNaN , kIsArguments ,
  kTruncatingToInt32 , kAllUsesTruncatingToInt32 , kTruncatingToSmi , kAllUsesTruncatingToSmi ,
  kIsDead , kUint32 , kHasNoObservableSideEffects , kCantBeReplaced ,
  kIsLive , kEndsLiveRange = kIsLive , kLastFlag = kIsLive
}
 
enum  Opcode { kPhi }
 
- Static Public Member Functions inherited from v8::internal::HValue
static HValuecast (HValue *value)
 
- Static Public Attributes inherited from v8::internal::HValue
static const int kNoNumber = -1
 
static const int kNoRedefinedOperand = -1
 
- Protected Member Functions inherited from v8::internal::HTemplateInstruction< 2 >
 HTemplateInstruction (HType type=HType::Tagged())
 
virtual void InternalSetOperandAt (int i, HValue *value) FINAL OVERRIDE
 
- Protected Member Functions inherited from v8::internal::HInstruction
 HInstruction (HType type=HType::Tagged())
 
virtual void DeleteFromGraph () OVERRIDE
 
- Protected Member Functions inherited from v8::internal::HValue
virtual bool DataEquals (HValue *other)
 
bool ToStringOrToNumberCanBeObserved () const
 
virtual Representation RepresentationFromInputs ()
 
virtual 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)
 
void clear_block ()
 
void set_representation (Representation r)
 
HUseListNodeRemoveUse (HValue *value, int index)
 
void RegisterUse (int index, HValue *new_value)
 
- Static Protected Member Functions inherited from v8::internal::HValue
static GVNFlagSet AllFlagSet ()
 
static GVNFlagSet AllSideEffectsFlagSet ()
 
static GVNFlagSet AllObservableSideEffectsFlagSet ()
 
- Protected Attributes inherited from v8::internal::HValue
HBasicBlock * block_
 
int id_
 
Representation representation_
 
HType type_
 
HUseListNodeuse_list_
 
Range * range_
 
int flags_
 
GVNFlagSet changes_flags_
 
GVNFlagSet depends_on_flags_
 

Detailed Description

Definition at line 7868 of file hydrogen-instructions.h.

Constructor & Destructor Documentation

◆ HAllocateBlockContext()

v8::internal::HAllocateBlockContext::HAllocateBlockContext ( HValue context,
HValue function,
Handle< ScopeInfo scope_info 
)
inlineprivate

Definition at line 7885 of file hydrogen-instructions.h.

7888  : scope_info_(scope_info) {
7889  SetOperandAt(0, context);
7890  SetOperandAt(1, function);
7892  }
Handle< ScopeInfo > scope_info() const
void set_representation(Representation r)
void SetOperandAt(int index, HValue *value)
static Representation Tagged()

References context(), v8::internal::HValue::set_representation(), v8::internal::HValue::SetOperandAt(), and v8::internal::Representation::Tagged().

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Member Function Documentation

◆ context()

HValue* v8::internal::HAllocateBlockContext::context ( ) const
inline

Definition at line 7872 of file hydrogen-instructions.h.

7872 { return OperandAt(0); }
virtual HValue * OperandAt(int i) const FINAL OVERRIDE

References v8::internal::HTemplateInstruction< 2 >::OperandAt().

Referenced by HAllocateBlockContext(), and PrintDataTo().

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◆ DECLARE_INSTRUCTION_FACTORY_P3()

v8::internal::HAllocateBlockContext::DECLARE_INSTRUCTION_FACTORY_P3 ( HAllocateBlockContext  ,
HValue ,
HValue ,
Handle< ScopeInfo  
)

◆ function()

HValue* v8::internal::HAllocateBlockContext::function ( ) const
inline

Definition at line 7873 of file hydrogen-instructions.h.

7873 { return OperandAt(1); }

References v8::internal::HTemplateInstruction< 2 >::OperandAt().

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◆ PrintDataTo()

OStream & v8::internal::HAllocateBlockContext::PrintDataTo ( OStream os) const
virtual

Reimplemented from v8::internal::HInstruction.

Definition at line 1119 of file hydrogen-instructions.cc.

1119  { // NOLINT
1120  return os << NameOf(context()) << " " << NameOf(function());
1121 }

References context().

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◆ RequiredInputRepresentation()

virtual Representation v8::internal::HAllocateBlockContext::RequiredInputRepresentation ( int  index)
inlinevirtual

Implements v8::internal::HValue.

Definition at line 7876 of file hydrogen-instructions.h.

7876  {
7877  return Representation::Tagged();
7878  }

References v8::internal::Representation::Tagged().

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◆ scope_info()

Handle<ScopeInfo> v8::internal::HAllocateBlockContext::scope_info ( ) const
inline

Definition at line 7874 of file hydrogen-instructions.h.

7874 { return scope_info_; }

References scope_info_.

Member Data Documentation

◆ scope_info_

Handle<ScopeInfo> v8::internal::HAllocateBlockContext::scope_info_
private

Definition at line 7894 of file hydrogen-instructions.h.

Referenced by scope_info().


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