Range Class Reference

#include <hydrogen-instructions.h>

Inheritance diagram for Range:

Collaboration diagram for Range:

Public Member Functions
	Range ()
	Range (int32_t lower, int32_t upper)
int32_t	upper () const
int32_t	lower () const
Range *	next () const
Range *	CopyClearLower (Zone *zone) const
Range *	CopyClearUpper (Zone *zone) const
Range *	Copy (Zone *zone) const
int32_t	Mask () const
void	set_can_be_minus_zero (bool b)
bool	CanBeMinusZero () const
bool	CanBeZero () const
bool	CanBeNegative () const
bool	Includes (int value) const
bool	IsMostGeneric () const
bool	IsInSmiRange () const
void	KeepOrder ()
void	StackUpon (Range *other)
void	Intersect (Range *other)
void	Union (Range *other)
void	AddConstant (int32_t value)
void	Sar (int32_t value)
void	Shl (int32_t value)
bool	AddAndCheckOverflow (Range *other)
bool	SubAndCheckOverflow (Range *other)
bool	MulAndCheckOverflow (Range *other)
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)

Detailed Description

Definition at line 227 of file hydrogen-instructions.h.

Constructor & Destructor Documentation

Range ( )

inline

Definition at line 229 of file hydrogen-instructions.h.

Referenced by Range::Copy(), Range::CopyClearLower(), and Range::CopyClearUpper().

Range ( int32_t  lower, int32_t  upper  )

inline

Definition at line 235 of file hydrogen-instructions.h.

Member Function Documentation

bool AddAndCheckOverflow

(

Range *

other

)

Definition at line 181 of file hydrogen-instructions.cc.

References Range::KeepOrder(), Range::lower(), and Range::upper().

Referenced by HAdd::InferRange().

void AddConstant

(

int32_t

value

)

Definition at line 132 of file hydrogen-instructions.cc.

bool CanBeMinusZero ( ) const

inline

Definition at line 257 of file hydrogen-instructions.h.

References Range::CanBeZero().

Referenced by Range::Copy(), HAdd::InferRange(), HSub::InferRange(), HMod::InferRange(), HDiv::InferRange(), Range::Intersect(), Range::IsMostGeneric(), and Range::Union().

bool CanBeNegative ( ) const

inline

Definition at line 259 of file hydrogen-instructions.h.

Referenced by HMul::InferRange(), and HMod::InferRange().

bool CanBeZero ( ) const

inline

Definition at line 258 of file hydrogen-instructions.h.

Referenced by Range::CanBeMinusZero(), HSub::InferRange(), and HMul::InferRange().

Range* Copy ( Zone *  zone ) const

inline

Definition at line 250 of file hydrogen-instructions.h.

References Range::CanBeMinusZero(), Range::Range(), and Range::set_can_be_minus_zero().

Referenced by HChange::InferRange(), HPhi::InferRange(), HAdd::InferRange(), HSub::InferRange(), HMul::InferRange(), HShl::InferRange(), HShr::InferRange(), and HSar::InferRange().

Range* CopyClearLower ( Zone *  zone ) const

inline

Definition at line 244 of file hydrogen-instructions.h.

References v8::internal::kMinInt, and Range::Range().

Range* CopyClearUpper ( Zone *  zone ) const

inline

Definition at line 247 of file hydrogen-instructions.h.

References v8::internal::kMaxInt, and Range::Range().

bool Includes ( int  value ) const

inline

Definition at line 260 of file hydrogen-instructions.h.

void Intersect

(

Range *

other

)

Definition at line 143 of file hydrogen-instructions.cc.

References Range::CanBeMinusZero(), v8::internal::Max(), v8::internal::Min(), and Range::set_can_be_minus_zero().

Referenced by Range::StackUpon().

bool IsInSmiRange ( ) const

inline

Definition at line 264 of file hydrogen-instructions.h.

References Smi::kMaxValue, and Smi::kMinValue.

Referenced by HChange::InferRange().

bool IsMostGeneric ( ) const

inline

Definition at line 261 of file hydrogen-instructions.h.

References Range::CanBeMinusZero(), v8::internal::kMaxInt, and v8::internal::kMinInt.

void KeepOrder

(

)

Definition at line 205 of file hydrogen-instructions.cc.

Referenced by Range::AddAndCheckOverflow(), and Range::SubAndCheckOverflow().

int32_t lower ( ) const

inline

Definition at line 242 of file hydrogen-instructions.h.

Referenced by Range::AddAndCheckOverflow(), Range::MulAndCheckOverflow(), and Range::SubAndCheckOverflow().

int32_t Mask

(

)

const

Definition at line 119 of file hydrogen-instructions.cc.

Referenced by HBitwise::InferRange().

bool MulAndCheckOverflow

(

Range *

other

)

Definition at line 221 of file hydrogen-instructions.cc.

References Range::lower(), v8::internal::Max(), v8::internal::Min(), and Range::upper().

Referenced by HMul::InferRange().

Range* next ( ) const

inline

Definition at line 243 of file hydrogen-instructions.h.

Referenced by HValue::RemoveLastAddedRange().

void Sar

(

int32_t

value

)

Definition at line 159 of file hydrogen-instructions.cc.

References Range::set_can_be_minus_zero().

Referenced by HShr::InferRange(), and HSar::InferRange().

void set_can_be_minus_zero ( bool  b )

inline

Definition at line 256 of file hydrogen-instructions.h.

Referenced by Range::Copy(), HValue::InferRange(), HChange::InferRange(), HConstant::InferRange(), HAdd::InferRange(), HSub::InferRange(), HMul::InferRange(), HMod::InferRange(), HDiv::InferRange(), HShl::InferRange(), HShr::InferRange(), HSar::InferRange(), Range::Intersect(), Range::Sar(), Range::Shl(), and Range::Union().

void Shl

(

int32_t

value

)

Definition at line 167 of file hydrogen-instructions.cc.

References v8::internal::kMaxInt, v8::internal::kMinInt, and Range::set_can_be_minus_zero().

Referenced by HShl::InferRange().

void StackUpon ( Range *  other )

inline

Definition at line 272 of file hydrogen-instructions.h.

References Range::Intersect().

Referenced by HValue::AddNewRange().

bool SubAndCheckOverflow

(

Range *

other

)

Definition at line 193 of file hydrogen-instructions.cc.

References Range::KeepOrder(), Range::lower(), and Range::upper().

Referenced by HSub::InferRange().

void Union

(

Range *

other

)

Definition at line 151 of file hydrogen-instructions.cc.

References Range::CanBeMinusZero(), v8::internal::Max(), v8::internal::Min(), and Range::set_can_be_minus_zero().

Referenced by HPhi::InferRange().

int32_t upper ( ) const

inline

Definition at line 241 of file hydrogen-instructions.h.

Referenced by Range::AddAndCheckOverflow(), Range::MulAndCheckOverflow(), and Range::SubAndCheckOverflow().

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

• src/hydrogen-instructions.h
• src/hydrogen-instructions.cc