v8::internal::compiler::SpillPlacer Class Reference

#include <spill-placer.h>

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Classes
class	Entry

Public Member Functions
	SpillPlacer (RegisterAllocationData *data, Zone *zone)
	~SpillPlacer ()
	SpillPlacer (const SpillPlacer &)=delete
SpillPlacer &	operator= (const SpillPlacer &)=delete
void	Add (TopLevelLiveRange *range)

Private Member Functions
RegisterAllocationData *	data () const
int	GetOrCreateIndexForLatestVreg (int vreg)
bool	IsLatestVreg (int vreg) const
void	CommitSpills ()
void	ClearData ()
void	ExpandBoundsToInclude (RpoNumber block)
void	SetSpillRequired (InstructionBlock *block, int vreg, RpoNumber top_start_block)
void	SetDefinition (RpoNumber block, int vreg)
void	FirstBackwardPass ()
void	ForwardPass ()
void	SecondBackwardPass ()
void	CommitSpill (int vreg, InstructionBlock *predecessor, InstructionBlock *successor)

Private Attributes
RegisterAllocationData *	data_
Zone *	zone_
Entry *	entries_ = nullptr
int *	vreg_numbers_ = nullptr
int	assigned_indices_ = 0
RpoNumber	first_block_ = RpoNumber::Invalid()
RpoNumber	last_block_ = RpoNumber::Invalid()

Static Private Attributes
static constexpr int	kValueIndicesPerEntry = 64

Detailed Description

Definition at line 76 of file spill-placer.h.

Constructor & Destructor Documentation

SpillPlacer() [1/2]

v8::internal::compiler::SpillPlacer::SpillPlacer	(	RegisterAllocationData *	data,
		Zone *	zone )

Definition at line 14 of file spill-placer.cc.

~SpillPlacer()

v8::internal::compiler::SpillPlacer::~SpillPlacer

(

)

Definition at line 17 of file spill-placer.cc.

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SpillPlacer() [2/2]

v8::internal::compiler::SpillPlacer::SpillPlacer ( const SpillPlacer & )

delete

Member Function Documentation

Add()

void v8::internal::compiler::SpillPlacer::Add

(

TopLevelLiveRange *

range

)

Definition at line 23 of file spill-placer.cc.

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ClearData()

void v8::internal::compiler::SpillPlacer::ClearData ( )

private

Definition at line 237 of file spill-placer.cc.

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CommitSpill()

void v8::internal::compiler::SpillPlacer::CommitSpill ( int vreg, InstructionBlock * predecessor, InstructionBlock * successor )

private

Definition at line 462 of file spill-placer.cc.

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CommitSpills()

void v8::internal::compiler::SpillPlacer::CommitSpills ( )

private

Definition at line 231 of file spill-placer.cc.

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data()

RegisterAllocationData * v8::internal::compiler::SpillPlacer::data ( ) const

inlineprivate

Definition at line 94 of file spill-placer.h.

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ExpandBoundsToInclude()

void v8::internal::compiler::SpillPlacer::ExpandBoundsToInclude ( RpoNumber block )

private

Definition at line 246 of file spill-placer.cc.

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FirstBackwardPass()

void v8::internal::compiler::SpillPlacer::FirstBackwardPass ( )

private

Definition at line 285 of file spill-placer.cc.

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ForwardPass()

void v8::internal::compiler::SpillPlacer::ForwardPass ( )

private

Definition at line 332 of file spill-placer.cc.

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GetOrCreateIndexForLatestVreg()

int v8::internal::compiler::SpillPlacer::GetOrCreateIndexForLatestVreg ( int vreg )

private

Definition at line 202 of file spill-placer.cc.

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IsLatestVreg()

bool v8::internal::compiler::SpillPlacer::IsLatestVreg ( int vreg ) const

inlineprivate

Definition at line 101 of file spill-placer.h.

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operator=()

SpillPlacer & v8::internal::compiler::SpillPlacer::operator= ( const SpillPlacer & )

delete

SecondBackwardPass()

void v8::internal::compiler::SpillPlacer::SecondBackwardPass ( )

private

Definition at line 389 of file spill-placer.cc.

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SetDefinition()

void v8::internal::compiler::SpillPlacer::SetDefinition ( RpoNumber block, int vreg )

private

Definition at line 279 of file spill-placer.cc.

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SetSpillRequired()

void v8::internal::compiler::SpillPlacer::SetSpillRequired ( InstructionBlock * block, int vreg, RpoNumber top_start_block )

private

Definition at line 261 of file spill-placer.cc.

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Member Data Documentation

assigned_indices_

int v8::internal::compiler::SpillPlacer::assigned_indices_ = 0

private

Definition at line 155 of file spill-placer.h.

data_

RegisterAllocationData* v8::internal::compiler::SpillPlacer::data_

private

Definition at line 145 of file spill-placer.h.

entries_

Entry* v8::internal::compiler::SpillPlacer::entries_ = nullptr

private

Definition at line 149 of file spill-placer.h.

first_block_

RpoNumber v8::internal::compiler::SpillPlacer::first_block_ = RpoNumber::Invalid()

private

Definition at line 160 of file spill-placer.h.

kValueIndicesPerEntry

int v8::internal::compiler::SpillPlacer::kValueIndicesPerEntry = 64

staticconstexprprivate

Definition at line 142 of file spill-placer.h.

last_block_

RpoNumber v8::internal::compiler::SpillPlacer::last_block_ = RpoNumber::Invalid()

private

Definition at line 161 of file spill-placer.h.

vreg_numbers_

int* v8::internal::compiler::SpillPlacer::vreg_numbers_ = nullptr

private

Definition at line 152 of file spill-placer.h.

zone_

Zone* v8::internal::compiler::SpillPlacer::zone_

private

Definition at line 146 of file spill-placer.h.

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

• src/compiler/backend/spill-placer.h
• src/compiler/backend/spill-placer.cc