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Public Types | Public Member Functions | Static Public Member Functions
Representation Class Reference

#include <property-details.h>

Public Types

enum  Kind {
  kNone, kInteger8, kUInteger8, kInteger16,
  kUInteger16, kSmi, kInteger32, kDouble,
  kHeapObject, kTagged, kExternal, kNumRepresentations
}
 

Public Member Functions

 Representation ()
 
bool Equals (const Representation &other) const
 
bool IsCompatibleForLoad (const Representation &other) const
 
bool IsCompatibleForStore (const Representation &other) const
 
bool is_more_general_than (const Representation &other) const
 
bool fits_into (const Representation &other) const
 
bool CanContainDouble (double value)
 
Representation generalize (Representation other)
 
int size () const
 
Kind kind () const
 
bool IsNone () const
 
bool IsInteger8 () const
 
bool IsUInteger8 () const
 
bool IsInteger16 () const
 
bool IsUInteger16 () const
 
bool IsTagged () const
 
bool IsSmi () const
 
bool IsSmiOrTagged () const
 
bool IsInteger32 () const
 
bool IsSmiOrInteger32 () const
 
bool IsDouble () const
 
bool IsHeapObject () const
 
bool IsExternal () const
 
bool IsSpecialization () const
 
const char * Mnemonic () const
 

Static Public Member Functions

static Representation None ()
 
static Representation Tagged ()
 
static Representation Integer8 ()
 
static Representation UInteger8 ()
 
static Representation Integer16 ()
 
static Representation UInteger16 ()
 
static Representation Smi ()
 
static Representation Integer32 ()
 
static Representation Double ()
 
static Representation HeapObject ()
 
static Representation External ()
 
static Representation FromKind (Kind kind)
 
static Representation FromType (Type *type)
 

Detailed Description

Definition at line 86 of file property-details.h.

Member Enumeration Documentation

enum Kind
Enumerator
kNone 
kInteger8 
kUInteger8 
kInteger16 
kUInteger16 
kSmi 
kInteger32 
kDouble 
kHeapObject 
kTagged 
kExternal 
kNumRepresentations 

Definition at line 88 of file property-details.h.

Constructor & Destructor Documentation

Representation ( )
inline

Definition at line 103 of file property-details.h.

Referenced by Representation::Double(), Representation::External(), Representation::FromKind(), Representation::HeapObject(), Representation::Integer16(), Representation::Integer32(), Representation::Integer8(), Representation::None(), Representation::Smi(), Representation::Tagged(), Representation::UInteger16(), and Representation::UInteger8().

Member Function Documentation

bool CanContainDouble ( double  value)
inline

Definition at line 38 of file property-details-inl.h.

References Representation::Double(), Representation::is_more_general_than(), Representation::IsDouble(), Representation::IsInteger32(), Representation::IsSmi(), and Smi::IsValid().

static Representation Double ( )
inlinestatic

Definition at line 113 of file property-details.h.

References Representation::kDouble, and Representation::Representation().

Referenced by Representation::CanContainDouble(), V8_FINAL< kOperandKind, kNumCachedOperands >::ForHeapNumberValue(), Representation::FromType(), HCompareNumericAndBranch::InferRepresentation(), HValue::KnownOptimalRepresentation(), V8_FINAL< kOperandKind, kNumCachedOperands >::KnownOptimalRepresentation(), V8_FINAL< kOperandKind, kNumCachedOperands >::observed_input_representation(), Object::OptimalRepresentation(), LoadFieldStub::representation(), V8_FINAL< kOperandKind, kNumCachedOperands >::RepresentationFromInputs(), HValue::RepresentationFromUses(), V8_FINAL< kOperandKind, kNumCachedOperands >::RequiredInputRepresentation(), HInferRepresentationPhase::Run(), and TEST().

bool Equals ( const Representation &  other) const
inline

Definition at line 121 of file property-details.h.

Referenced by HValue::Equals(), Representation::fits_into(), Map::GeneralizeRepresentation(), V8_FINAL< kOperandKind, kNumCachedOperands >::HChange(), Representation::IsCompatibleForStore(), JSObject::PrintInstanceMigration(), HLoadEliminationTable::Process(), HValue::RepresentationFromUseRequirements(), and HRangeAnalysisPhase::Run().

static Representation External ( )
inlinestatic

Definition at line 115 of file property-details.h.

References Representation::kExternal, and Representation::Representation().

Referenced by V8_FINAL< kOperandKind, kNumCachedOperands >::ForExternalArrayExternalPointer(), V8_FINAL< kOperandKind, kNumCachedOperands >::ForJSArrayBufferBackingStore(), V8_FINAL< kOperandKind, kNumCachedOperands >::KnownOptimalRepresentation(), V8_FINAL< kOperandKind, kNumCachedOperands >::RequiredInputRepresentation(), and TEST().

bool fits_into ( const Representation &  other) const
inline

Definition at line 147 of file property-details.h.

References Representation::Equals(), and Representation::is_more_general_than().

Referenced by Representation::generalize(), and Map::GeneralizeRepresentation().

static Representation FromKind ( Kind  kind)
inlinestatic

Definition at line 117 of file property-details.h.

References Representation::Representation().

Referenced by BASE_EMBEDDED< Visitor >::DecodeRepresentation(), StoreGlobalStub::representation(), and V8_FINAL< kOperandKind, kNumCachedOperands >::representation().

Representation FromType ( Type *  type)
static

Definition at line 570 of file types.cc.

References Representation::Double(), Representation::Integer32(), TypeImpl< class >::Is(), Representation::None(), v8::None, Representation::Smi(), and Representation::Tagged().

Referenced by HGraphBuilder::BuildBinaryOperation().

Representation generalize ( Representation  other)
inline

Definition at line 153 of file property-details.h.

References Representation::fits_into(), Representation::is_more_general_than(), and Representation::Tagged().

Referenced by Map::GeneralizeRepresentation(), HCompareNumericAndBranch::InferRepresentation(), DescriptorArray::Merge(), HBinaryOperation::RepresentationFromInputs(), V8_FINAL< kOperandKind, kNumCachedOperands >::RepresentationFromInputs(), and HValue::RepresentationFromUseRequirements().

static Representation HeapObject ( )
inlinestatic

Definition at line 114 of file property-details.h.

References Representation::kHeapObject, and Representation::Representation().

Referenced by Object::OptimalRepresentation(), and TEST().

static Representation Integer16 ( )
inlinestatic

Definition at line 109 of file property-details.h.

References Representation::kInteger16, and Representation::Representation().

Referenced by TEST().

static Representation Integer32 ( )
inlinestatic

Definition at line 112 of file property-details.h.

References Representation::kInteger32, and Representation::Representation().

Referenced by CodeStubGraphBuilderBase::BuildGraph(), HGraphBuilder::EnforceNumberType(), V8_FINAL< kOperandKind, kNumCachedOperands >::ForCounter(), V8_FINAL< kOperandKind, kNumCachedOperands >::ForHeapNumberValueHighestBits(), V8_FINAL< kOperandKind, kNumCachedOperands >::ForHeapNumberValueLowestBits(), V8_FINAL< kOperandKind, kNumCachedOperands >::ForStringHashField(), Representation::FromType(), HValue::InferRepresentation(), HBinaryOperation::InferRepresentation(), HBitwiseBinaryOperation::initialize_output_representation(), ArrayInstructionInterface::KeyedAccessIndexRequirement(), V8_FINAL< kOperandKind, kNumCachedOperands >::KnownOptimalRepresentation(), V8_FINAL< kOperandKind, kNumCachedOperands >::NewImul(), HBitwiseBinaryOperation::observed_input_representation(), V8_FINAL< kOperandKind, kNumCachedOperands >::observed_input_representation(), HValue::RepresentationFromUseRequirements(), HValue::RepresentationFromUses(), V8_FINAL< kOperandKind, kNumCachedOperands >::RequiredInputRepresentation(), TEST(), LCodeGen::ToInteger32(), HBinaryOperation::UpdateRepresentation(), HBitwiseBinaryOperation::UpdateRepresentation(), and V8_FINAL< kOperandKind, kNumCachedOperands >::UpdateRepresentation().

static Representation Integer8 ( )
inlinestatic

Definition at line 107 of file property-details.h.

References Representation::kInteger8, and Representation::Representation().

Referenced by TEST().

bool is_more_general_than ( const Representation &  other) const
inline

Definition at line 134 of file property-details.h.

References ASSERT, Representation::IsHeapObject(), Representation::IsNone(), Representation::kExternal, Representation::kInteger16, Representation::kInteger8, Representation::kNone, Representation::kUInteger16, and Representation::kUInteger8.

Referenced by Representation::CanContainDouble(), Representation::fits_into(), Representation::generalize(), HBinaryOperation::RepresentationFromOutput(), TestPairNegative(), TestPairPositive(), and HValue::UpdateRepresentation().

bool IsCompatibleForLoad ( const Representation &  other) const
inline

Definition at line 125 of file property-details.h.

References Representation::IsDouble().

bool IsCompatibleForStore ( const Representation &  other) const
inline

Definition at line 130 of file property-details.h.

References Representation::Equals().

bool IsDouble ( ) const
inline

Definition at line 184 of file property-details.h.

References Representation::kDouble.

Referenced by Object::AllocateNewStorageFor(), CodeStubGraphBuilderBase::BuildLoadNamedField(), Representation::CanContainDouble(), LCodeGen::EmitLoadDoubleRegister(), LCodeGen::EmitLoadRegister(), Object::FitsRepresentation(), Map::GeneralizeRepresentation(), HCompareNumericAndBranch::InferRepresentation(), LoadFieldStub::Initialize(), HBitwiseBinaryOperation::initialize_output_representation(), Representation::IsCompatibleForLoad(), Representation::IsSpecialization(), HBitwiseBinaryOperation::observed_input_representation(), LCodeGen::ToOperand(), and V8_FINAL< kOperandKind, kNumCachedOperands >::ToStringOrToNumberCanBeObserved().

bool IsExternal ( ) const
inline

Definition at line 186 of file property-details.h.

References Representation::kExternal.

bool IsHeapObject ( ) const
inline

Definition at line 185 of file property-details.h.

References Representation::kHeapObject.

Referenced by Object::FitsRepresentation(), Representation::is_more_general_than(), and HValue::IsHeapObject().

bool IsInteger16 ( ) const
inline

Definition at line 177 of file property-details.h.

References Representation::kInteger16.

Referenced by Representation::IsSpecialization(), and Representation::size().

bool IsInteger32 ( ) const
inline

Definition at line 182 of file property-details.h.

References Representation::kInteger32.

Referenced by Representation::CanContainDouble(), LCodeGen::EmitLoadDoubleRegister(), LCodeGen::EmitLoadRegister(), Representation::IsSmiOrInteger32(), Representation::IsSpecialization(), ArrayInstructionInterface::KeyedAccessIndexRequirement(), HValue::RepresentationFromUseRequirements(), HCanonicalizePhase::Run(), HUint32AnalysisPhase::Run(), Representation::size(), LCodeGen::ToOperand(), and LCodeGen::ToRepresentation().

bool IsInteger8 ( ) const
inline

Definition at line 175 of file property-details.h.

References Representation::kInteger8.

Referenced by Representation::IsSpecialization(), and Representation::size().

bool IsNone ( ) const
inline

Definition at line 174 of file property-details.h.

References Representation::kNone.

Referenced by Object::FitsRepresentation(), Map::GeneralizeRepresentation(), HValue::HasNonSmiUse(), V8_FINAL< kOperandKind, kNumCachedOperands >::HChange(), HBinaryOperation::InferRepresentation(), HCompareNumericAndBranch::InferRepresentation(), Representation::is_more_general_than(), HValue::RepresentationFromUseRequirements(), HValue::RepresentationFromUses(), HInferRepresentationPhase::Run(), HValue::set_representation(), DescriptorArray::SetRepresentation(), and Representation::size().

bool IsSmi ( ) const
inline

Definition at line 180 of file property-details.h.

References Representation::kSmi.

Referenced by Object::AllocateNewStorageFor(), HGraphBuilder::BuildBinaryOperation(), Representation::CanContainDouble(), Object::FitsRepresentation(), HValue::HasNonSmiUse(), V8_FINAL< kOperandKind, kNumCachedOperands >::HChange(), Representation::IsSmiOrInteger32(), Representation::IsSmiOrTagged(), Representation::IsSpecialization(), HRepresentationChangesPhase::Run(), HCanonicalizePhase::Run(), LCodeGen::ToOperand(), and HBinaryOperation::UpdateRepresentation().

bool IsSmiOrInteger32 ( ) const
inline

Definition at line 183 of file property-details.h.

References Representation::IsInteger32(), and Representation::IsSmi().

Referenced by HCompareNumericAndBranch::InferRepresentation(), HRepresentationChangesPhase::Run(), HRangeAnalysisPhase::Run(), and V8_FINAL< kOperandKind, kNumCachedOperands >::ToStringOrToNumberCanBeObserved().

bool IsSmiOrTagged ( ) const
inline

Definition at line 181 of file property-details.h.

References Representation::IsSmi(), and Representation::IsTagged().

Referenced by V8_FINAL< kOperandKind, kNumCachedOperands >::AddValue(), LCodeGen::EmitLoadRegister(), and LCodeGen::ToRepresentation().

bool IsSpecialization ( ) const
inline

Definition at line 187 of file property-details.h.

References Representation::IsDouble(), Representation::IsInteger16(), Representation::IsInteger32(), Representation::IsInteger8(), Representation::IsSmi(), Representation::IsUInteger16(), and Representation::IsUInteger8().

bool IsTagged ( ) const
inline

Definition at line 179 of file property-details.h.

References Representation::kTagged.

Referenced by HInferRepresentationPhase::AddToWorklist(), HGraphBuilder::BuildBinaryOperation(), HValue::ChangeRepresentation(), LCodeGen::EmitLoadDoubleRegister(), HValue::HasNonSmiUse(), V8_FINAL< kOperandKind, kNumCachedOperands >::HChange(), HCompareNumericAndBranch::InferRepresentation(), Representation::IsSmiOrTagged(), HValue::KnownOptimalRepresentation(), HBinaryOperation::RepresentationFromInputs(), V8_FINAL< kOperandKind, kNumCachedOperands >::RepresentationFromInputs(), LCodeGen::ToOperand(), and HValue::UpdateRepresentation().

bool IsUInteger16 ( ) const
inline

Definition at line 178 of file property-details.h.

References Representation::kUInteger16.

Referenced by Representation::IsSpecialization(), and Representation::size().

bool IsUInteger8 ( ) const
inline

Definition at line 176 of file property-details.h.

References Representation::kUInteger8.

Referenced by Representation::IsSpecialization(), and Representation::size().

Kind kind ( ) const
inline

Definition at line 173 of file property-details.h.

Referenced by BASE_EMBEDDED< Visitor >::EncodeRepresentation(), HValue::RepresentationFromUses(), and StoreGlobalStub::set_representation().

const char * Mnemonic ( ) const

Definition at line 2251 of file objects.cc.

References Representation::kDouble, Representation::kExternal, Representation::kHeapObject, Representation::kInteger32, Representation::kNone, Representation::kSmi, Representation::kTagged, v8::internal::NULL, and UNREACHABLE.

Referenced by Map::PrintGeneralization(), JSObject::PrintInstanceMigration(), HValue::PrintNameTo(), HValue::RepresentationFromUses(), and HValue::UpdateRepresentation().

static Representation None ( )
inlinestatic

Definition at line 105 of file property-details.h.

References Representation::kNone, and Representation::Representation().

Referenced by Representation::FromType(), HBinaryOperation::HBinaryOperation(), HCompareNumericAndBranch::InferRepresentation(), Runtime::InitializeIntrinsicFunctionNames(), HValue::KnownOptimalRepresentation(), V8_FINAL< kOperandKind, kNumCachedOperands >::KnownOptimalRepresentation(), JSObject::MigrateInstance(), BASE_EMBEDDED< Visitor >::NotFound(), HValue::observed_input_representation(), V8_FINAL< kOperandKind, kNumCachedOperands >::observed_input_representation(), Object::OptimalRepresentation(), HBinaryOperation::RepresentationFromOutput(), HValue::RepresentationFromUseRequirements(), HValue::RepresentationFromUses(), V8_FINAL< kOperandKind, kNumCachedOperands >::RequiredInputRepresentation(), HDematerializedObject::RequiredInputRepresentation(), HIsConstructCallAndBranch::RequiredInputRepresentation(), TEST(), and BASE_EMBEDDED< Visitor >::TransitionResult().

int size ( ) const
inline

Definition at line 159 of file property-details.h.

References ASSERT, Representation::IsInteger16(), Representation::IsInteger32(), Representation::IsInteger8(), Representation::IsNone(), Representation::IsUInteger16(), Representation::IsUInteger8(), and v8::internal::kPointerSize.

static Representation Smi ( )
inlinestatic

Definition at line 111 of file property-details.h.

References Representation::kSmi, and Representation::Representation().

Referenced by HGraphBuilder::EnforceNumberType(), V8_FINAL< kOperandKind, kNumCachedOperands >::ForArrayLength(), V8_FINAL< kOperandKind, kNumCachedOperands >::ForFixedArrayLength(), V8_FINAL< kOperandKind, kNumCachedOperands >::ForStringLength(), Representation::FromType(), ArrayInstructionInterface::KeyedAccessIndexRequirement(), HValue::KnownOptimalRepresentation(), V8_FINAL< kOperandKind, kNumCachedOperands >::KnownOptimalRepresentation(), V8_FINAL< kOperandKind, kNumCachedOperands >::observed_input_representation(), Object::OptimalRepresentation(), V8_FINAL< kOperandKind, kNumCachedOperands >::RepresentationFromInputs(), HValue::RepresentationFromUses(), V8_FINAL< kOperandKind, kNumCachedOperands >::RequiredInputRepresentation(), and TEST().

static Representation Tagged ( )
inlinestatic

Definition at line 106 of file property-details.h.

References Representation::kTagged, and Representation::Representation().

Referenced by CodeStubGraphBuilder< Stub >::BuildCodeStub(), CodeStubGraphBuilderBase::BuildGraph(), CodeStubGraphBuilderBase::BuildLoadNamedField(), Map::CopyGeneralizeAllRepresentations(), Map::CopyReplaceDescriptors(), V8_FINAL< kOperandKind, kNumCachedOperands >::CreateAndInsertBefore(), V8_FINAL< kOperandKind, kNumCachedOperands >::ForAllocationSiteList(), V8_FINAL< kOperandKind, kNumCachedOperands >::ForArrayLength(), Representation::FromType(), Representation::generalize(), HStringCompareAndBranch::GetInputRepresentation(), BASE_EMBEDDED< Visitor >::HandlerResult(), HCall< 2 >::HCall(), V8_FINAL< kOperandKind, kNumCachedOperands >::HCapturedObject(), V8_FINAL< kOperandKind, kNumCachedOperands >::HDummyUse(), V8_FINAL< kOperandKind, kNumCachedOperands >::HLoadContextSlot(), V8_FINAL< kOperandKind, kNumCachedOperands >::HLoadFieldByIndex(), HMaterializedLiteral< 1 >::HMaterializedLiteral(), BASE_EMBEDDED< Visitor >::InterceptorResult(), V8_FINAL< kOperandKind, kNumCachedOperands >::KnownOptimalRepresentation(), HBinaryOperation::observed_input_representation(), HCompareObjectEqAndBranch::observed_input_representation(), Object::OptimalRepresentation(), LoadFieldStub::representation(), HValue::RepresentationFromUses(), V8_FINAL< kOperandKind, kNumCachedOperands >::RequiredInputRepresentation(), HUnaryCall::RequiredInputRepresentation(), HBinaryCall::RequiredInputRepresentation(), HBinaryOperation::RequiredInputRepresentation(), HCompareObjectEqAndBranch::RequiredInputRepresentation(), HStringCompareAndBranch::RequiredInputRepresentation(), HInferRepresentationPhase::Run(), TEST(), and NameDictionary::TransformPropertiesToFastFor().

static Representation UInteger16 ( )
inlinestatic

Definition at line 110 of file property-details.h.

References Representation::kUInteger16, and Representation::Representation().

Referenced by TEST().

static Representation UInteger8 ( )
inlinestatic

Definition at line 108 of file property-details.h.

References Representation::kUInteger8, and Representation::Representation().

Referenced by V8_FINAL< kOperandKind, kNumCachedOperands >::ForMapInstanceSize(), V8_FINAL< kOperandKind, kNumCachedOperands >::ForMapInstanceType(), and TEST().

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