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	CombinedMax (Range *other)
void	CombinedMin (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 240 of file hydrogen-instructions.h.

Constructor & Destructor Documentation

Range ( )

inline

Definition at line 242 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 248 of file hydrogen-instructions.h.

Member Function Documentation

bool AddAndCheckOverflow

(

Range *

other

)

Definition at line 195 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 270 of file hydrogen-instructions.h.

References Range::CanBeZero().

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

bool CanBeNegative ( ) const

inline

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

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

bool CanBeZero ( ) const

inline

Definition at line 271 of file hydrogen-instructions.h.

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

void CombinedMax

(

Range *

other

)

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

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

Referenced by HMathMinMax::InferRange().

void CombinedMin

(

Range *

other

)

Definition at line 166 of file hydrogen-instructions.cc.

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

Referenced by HMathMinMax::InferRange().

Range* Copy ( Zone *  zone ) const

inline

Definition at line 263 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(), HMathMinMax::InferRange(), HShl::InferRange(), HShr::InferRange(), and HSar::InferRange().

Range* CopyClearLower ( Zone *  zone ) const

inline

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

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

Range* CopyClearUpper ( Zone *  zone ) const

inline

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

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

bool Includes ( int  value ) const

inline

Definition at line 273 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 277 of file hydrogen-instructions.h.

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

Referenced by HChange::InferRange().

bool IsMostGeneric ( ) const

inline

Definition at line 274 of file hydrogen-instructions.h.

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

void KeepOrder

(

)

Definition at line 219 of file hydrogen-instructions.cc.

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

int32_t lower ( ) const

inline

Definition at line 255 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 235 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 256 of file hydrogen-instructions.h.

Referenced by HValue::RemoveLastAddedRange().

void Sar

(

int32_t

value

)

Definition at line 173 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 269 of file hydrogen-instructions.h.

Referenced by Range::CombinedMax(), Range::CombinedMin(), 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 181 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 285 of file hydrogen-instructions.h.

References Range::Intersect().

Referenced by HValue::AddNewRange().

bool SubAndCheckOverflow

(

Range *

other

)

Definition at line 207 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 254 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