V8 Project
v8::internal::HStringCompareAndBranch Class Reference

#include <hydrogen-instructions.h>

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

Public Member Functions

 DECLARE_INSTRUCTION_WITH_CONTEXT_FACTORY_P3 (HStringCompareAndBranch, HValue *, HValue *, Token::Value)
 
HValuecontext ()
 
HValueleft ()
 
HValueright ()
 
Token::Value token () const
 
virtual OStreamPrintDataTo (OStream &os) const OVERRIDE
 
virtual Representation RequiredInputRepresentation (int index) OVERRIDE
 
Representation GetInputRepresentation () const
 
- Public Member Functions inherited from v8::internal::HTemplateControlInstruction< 2, 3 >
int SuccessorCount () const OVERRIDE
 
HBasicBlockSuccessorAt (int i) const OVERRIDE
 
void SetSuccessorAt (int i, HBasicBlock *block) OVERRIDE
 
int OperandCount () const OVERRIDE
 
HValueOperandAt (int i) const OVERRIDE
 
- Public Member Functions inherited from v8::internal::HControlInstruction
virtual bool KnownSuccessorBlock (HBasicBlock **block)
 
HBasicBlockFirstSuccessor ()
 
HBasicBlockSecondSuccessor ()
 
void Not ()
 
- 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

 HStringCompareAndBranch (HValue *context, HValue *left, HValue *right, Token::Value token)
 

Private Attributes

Token::Value token_
 

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::HTemplateControlInstruction< 2, 3 >
void InternalSetOperandAt (int i, HValue *value) 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 4537 of file hydrogen-instructions.h.

Constructor & Destructor Documentation

◆ HStringCompareAndBranch()

v8::internal::HStringCompareAndBranch::HStringCompareAndBranch ( HValue context,
HValue left,
HValue right,
Token::Value  token 
)
inlineprivate

Definition at line 4562 of file hydrogen-instructions.h.

4566  : token_(token) {
4568  SetOperandAt(0, context);
4569  SetOperandAt(1, left);
4570  SetOperandAt(2, right);
4572  SetChangesFlag(kNewSpacePromotion);
4573  }
void SetChangesFlag(GVNFlag f)
void set_representation(Representation r)
void SetOperandAt(int index, HValue *value)
static Representation Tagged()
static bool IsCompareOp(Value op)
Definition: token.h:202
#define DCHECK(condition)
Definition: logging.h:205

References context(), DCHECK, v8::internal::Token::IsCompareOp(), left(), right(), v8::internal::HValue::set_representation(), v8::internal::HValue::SetChangesFlag(), v8::internal::HValue::SetOperandAt(), v8::internal::Representation::Tagged(), and token().

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Member Function Documentation

◆ context()

HValue* v8::internal::HStringCompareAndBranch::context ( )
inline

Definition at line 4544 of file hydrogen-instructions.h.

4544 { return OperandAt(0); }

References v8::internal::HTemplateControlInstruction< 2, 3 >::OperandAt().

Referenced by HStringCompareAndBranch().

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◆ DECLARE_INSTRUCTION_WITH_CONTEXT_FACTORY_P3()

v8::internal::HStringCompareAndBranch::DECLARE_INSTRUCTION_WITH_CONTEXT_FACTORY_P3 ( HStringCompareAndBranch  ,
HValue ,
HValue ,
Token::Value   
)

◆ GetInputRepresentation()

Representation v8::internal::HStringCompareAndBranch::GetInputRepresentation ( ) const
inline

Definition at line 4555 of file hydrogen-instructions.h.

4555  {
4556  return Representation::Tagged();
4557  }

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

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◆ left()

HValue* v8::internal::HStringCompareAndBranch::left ( )
inline

Definition at line 4545 of file hydrogen-instructions.h.

4545 { return OperandAt(1); }

References v8::internal::HTemplateControlInstruction< 2, 3 >::OperandAt().

Referenced by HStringCompareAndBranch().

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◆ PrintDataTo()

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

Reimplemented from v8::internal::HControlInstruction.

Definition at line 3191 of file hydrogen-instructions.cc.

3191  { // NOLINT
3192  os << Token::Name(token()) << " ";
3194 }
virtual OStream & PrintDataTo(OStream &os) const OVERRIDE
static const char * Name(Value tok)
Definition: token.h:180

◆ RequiredInputRepresentation()

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

Implements v8::internal::HValue.

Definition at line 4551 of file hydrogen-instructions.h.

4551  {
4552  return Representation::Tagged();
4553  }

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

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◆ right()

HValue* v8::internal::HStringCompareAndBranch::right ( )
inline

Definition at line 4546 of file hydrogen-instructions.h.

4546 { return OperandAt(2); }

References v8::internal::HTemplateControlInstruction< 2, 3 >::OperandAt().

Referenced by HStringCompareAndBranch().

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◆ token()

Token::Value v8::internal::HStringCompareAndBranch::token ( ) const
inline

Definition at line 4547 of file hydrogen-instructions.h.

4547 { return token_; }

References token_.

Referenced by HStringCompareAndBranch().

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Member Data Documentation

◆ token_

Token::Value v8::internal::HStringCompareAndBranch::token_
private

Definition at line 4575 of file hydrogen-instructions.h.

Referenced by token().


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