v8::internal::compiler::Operator Class Reference

#include <operator.h>

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Public Types
enum	Property {   kNoProperties = 0 , kReducible = 1 << 0 , kCommutative = 1 << 1 , kAssociative = 1 << 2 ,   kIdempotent = 1 << 3 , kNoRead = 1 << 4 , kNoWrite = 1 << 5 , kNoThrow = 1 << 6 ,   kFoldable = kNoRead | kNoWrite , kEliminatable = kNoWrite | kNoThrow , kPure = kNoRead | kNoWrite | kNoThrow | kIdempotent }
typedef uint8_t	Opcode
typedef base::Flags< Property, uint8_t >	Properties

Public Member Functions
	Operator (Opcode opcode, Properties properties, const char *mnemonic)
virtual	~Operator ()
Opcode	opcode () const
const char *	mnemonic () const
virtual bool	Equals (const Operator *other) const =0
virtual int	HashCode () const =0
bool	HasProperty (Property property) const
virtual int	InputCount () const =0
virtual int	OutputCount () const =0
Properties	properties () const
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)

Protected Member Functions
virtual OStream &	PrintTo (OStream &os) const =0

Private Member Functions
	DISALLOW_COPY_AND_ASSIGN (Operator)

Private Attributes
Opcode	opcode_
Properties	properties_
const char *	mnemonic_

Friends
OStream &	operator<< (OStream &os, const Operator &op)

Detailed Description

Definition at line 28 of file operator.h.

Member Typedef Documentation

Opcode

typedef uint8_t v8::internal::compiler::Operator::Opcode

Definition at line 30 of file operator.h.

Properties

typedef base::Flags<Property, uint8_t> v8::internal::compiler::Operator::Properties

Definition at line 48 of file operator.h.

Member Enumeration Documentation

Property

enum v8::internal::compiler::Operator::Property

Enumerator
kNoProperties
kReducible
kCommutative
kAssociative
kIdempotent
kNoRead
kNoWrite
kNoThrow
kFoldable
kEliminatable
kPure

Definition at line 34 of file operator.h.

                {
    kNoProperties = 0,
    kReducible = 1 << 0,    // Participates in strength reduction.
    kCommutative = 1 << 1,  // OP(a, b) == OP(b, a) for all inputs.
    kAssociative = 1 << 2,  // OP(a, OP(b,c)) == OP(OP(a,b), c) for all inputs.
    kIdempotent = 1 << 3,   // OP(a); OP(a) == OP(a).
    kNoRead = 1 << 4,       // Has no scheduling dependency on Effects
    kNoWrite = 1 << 5,      // Does not modify any Effects and thereby
                            // create new scheduling dependencies.
    kNoThrow = 1 << 6,      // Can never generate an exception.
    kFoldable = kNoRead | kNoWrite,
    kEliminatable = kNoWrite | kNoThrow,
    kPure = kNoRead | kNoWrite | kNoThrow | kIdempotent
  };

Constructor & Destructor Documentation

Operator()

v8::internal::compiler::Operator::Operator ( Opcode  opcode, Properties  properties, const char *  mnemonic  )

inline

Definition at line 50 of file operator.h.

      : opcode_(opcode), properties_(properties), mnemonic_(mnemonic) {}

~Operator()

v8::internal::compiler::Operator::~Operator ( )

virtual

Definition at line 11 of file operator.cc.

{}

Member Function Documentation

DISALLOW_COPY_AND_ASSIGN()

v8::internal::compiler::Operator::DISALLOW_COPY_AND_ASSIGN ( Operator  )

private

Equals()

virtual bool v8::internal::compiler::Operator::Equals ( const Operator *  other ) const

pure virtual

Implemented in v8::internal::compiler::SimpleOperator, v8::internal::compiler::Operator1< T >, and v8::internal::compiler::Operator1< int >.

HashCode()

virtual int v8::internal::compiler::Operator::HashCode ( ) const

pure virtual

Implemented in v8::internal::compiler::Operator1< T >, v8::internal::compiler::Operator1< int >, and v8::internal::compiler::SimpleOperator.

HasProperty()

bool v8::internal::compiler::Operator::HasProperty ( Property  property ) const

inline

Definition at line 74 of file operator.h.

                                            {
    return (properties() & property) == property;
  }

References properties().

Referenced by v8::internal::compiler::OperatorProperties::GetControlInputCount(), v8::internal::compiler::OperatorProperties::GetEffectInputCount(), and v8::internal::compiler::NodeMatcher::HasProperty().

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InputCount()

virtual int v8::internal::compiler::Operator::InputCount ( ) const

pure virtual

Implemented in v8::internal::compiler::Operator1< T >, v8::internal::compiler::Operator1< int >, and v8::internal::compiler::SimpleOperator.

Referenced by v8::internal::compiler::OperatorProperties::GetValueInputCount(), v8::internal::compiler::StructuredGraphBuilder::MakeNode(), and v8::internal::compiler::Graph::NewNode().

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mnemonic()

const char* v8::internal::compiler::Operator::mnemonic ( ) const

inline

Definition at line 61 of file operator.h.

{ return mnemonic_; }

References mnemonic_.

Referenced by v8::internal::compiler::SimpleOperator::PrintTo(), and v8::internal::compiler::Operator1< T >::PrintTo().

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opcode()

Opcode v8::internal::compiler::Operator::opcode ( ) const

inline

Definition at line 57 of file operator.h.

{ return opcode_; }

References opcode_.

Referenced by v8::internal::compiler::ElementAccessOf(), v8::internal::compiler::Operator1< T >::Equals(), v8::internal::compiler::SimpleOperator::Equals(), v8::internal::compiler::FieldAccessOf(), v8::internal::compiler::FindInsertionPoint(), v8::internal::compiler::OperatorProperties::GetControlInputCount(), v8::internal::compiler::OperatorProperties::GetControlOutputCount(), v8::internal::compiler::OperatorProperties::GetEffectInputCount(), v8::internal::compiler::OperatorProperties::HasContextInput(), v8::internal::compiler::OperatorProperties::HasControlOutput(), v8::internal::compiler::OperatorProperties::HasEffectOutput(), v8::internal::compiler::OperatorProperties::HasFrameStateInput(), v8::internal::compiler::SimpleOperator::HashCode(), v8::internal::compiler::Operator1< T >::HashCode(), v8::internal::compiler::OperatorProperties::IsBasicBlockBegin(), v8::internal::compiler::RawMachineAssembler::MakeNode(), v8::internal::compiler::NodeData::opcode(), and v8::internal::compiler::TEST_P().

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OutputCount()

virtual int v8::internal::compiler::Operator::OutputCount ( ) const

pure virtual

Implemented in v8::internal::compiler::Operator1< T >, v8::internal::compiler::Operator1< int >, and v8::internal::compiler::SimpleOperator.

Referenced by v8::internal::compiler::OperatorProperties::GetValueOutputCount().

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PrintTo()

virtual OStream& v8::internal::compiler::Operator::PrintTo ( OStream &  os ) const

protectedpure virtual

Implemented in v8::internal::compiler::Operator1< T >, v8::internal::compiler::Operator1< int >, and v8::internal::compiler::SimpleOperator.

properties()

Properties v8::internal::compiler::Operator::properties ( ) const

inline

Definition at line 84 of file operator.h.

{ return properties_; }

References properties_.

Referenced by HasProperty(), and v8::internal::compiler::TEST_P().

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Friends And Related Function Documentation

operator<<

OStream& operator<< ( OStream &  os, const Operator &  op  )

friend

Definition at line 45 of file node.cc.

{ return op.PrintTo(os); }

Member Data Documentation

mnemonic_

const char* v8::internal::compiler::Operator::mnemonic_

private

Definition at line 96 of file operator.h.

Referenced by mnemonic().

opcode_

Opcode v8::internal::compiler::Operator::opcode_

private

Definition at line 94 of file operator.h.

Referenced by opcode().

properties_

Properties v8::internal::compiler::Operator::properties_

private

Definition at line 95 of file operator.h.

Referenced by properties().

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

• /mnt/V8SourceCode/src/compiler/operator.h
• /mnt/V8SourceCode/src/compiler/operator.cc