v8::internal::compiler::MemoryLowering Class Reference

#include <memory-lowering.h>

Inheritance diagram for v8::internal::compiler::MemoryLowering:

Collaboration diagram for v8::internal::compiler::MemoryLowering:

Classes
class	AllocationGroup
class	AllocationState

Public Types
enum class	AllocationFolding { kDoAllocationFolding , kDontAllocationFolding }
using	WriteBarrierAssertFailedCallback

Public Member Functions
	MemoryLowering (JSGraph *jsgraph, Zone *zone, JSGraphAssembler *graph_assembler, bool is_wasm, AllocationFolding allocation_folding=AllocationFolding::kDontAllocationFolding, WriteBarrierAssertFailedCallback callback=[](Node *, Node *, const char *, Zone *) { UNREACHABLE();}, const char *function_debug_name=nullptr)
const char *	reducer_name () const override
Reduction	Reduce (Node *node) override
Reduction	ReduceAllocateRaw (Node *node, AllocationType allocation_type, AllocationState const **state)
Reduction	ReduceLoadFromObject (Node *node)
Reduction	ReduceLoadElement (Node *node)
Reduction	ReduceLoadField (Node *node)
Reduction	ReduceStoreToObject (Node *node, AllocationState const *state=nullptr)
Reduction	ReduceStoreElement (Node *node, AllocationState const *state=nullptr)
Reduction	ReduceStoreField (Node *node, AllocationState const *state=nullptr)
Reduction	ReduceStore (Node *node, AllocationState const *state=nullptr)
Public Member Functions inherited from v8::internal::compiler::Reducer
virtual	~Reducer ()=default
Reduction	Reduce (Node *node, ObserveNodeManager *observe_node_manager)
virtual void	Finalize ()

Private Member Functions
Reduction	ReduceAllocateRaw (Node *node)
WriteBarrierKind	ComputeWriteBarrierKind (Node *node, Node *object, Node *value, AllocationState const *state, WriteBarrierKind)
Reduction	ReduceLoadExternalPointerField (Node *node)
Reduction	ReduceLoadBoundedSize (Node *node)
Reduction	ReduceLoadMap (Node *node)
Node *	ComputeIndex (ElementAccess const &access, Node *node)
void	EnsureAllocateOperator ()
Node *	GetWasmInstanceNode ()
Node *	AlignToAllocationAlignment (Node *address)
TFGraph *	graph () const
Isolate *	isolate () const
Zone *	zone () const
Zone *	graph_zone () const
CommonOperatorBuilder *	common () const
MachineOperatorBuilder *	machine () const
JSGraphAssembler *	gasm () const
	DISALLOW_IMPLICIT_CONSTRUCTORS (MemoryLowering)

Private Attributes
SetOncePointer< const Operator >	allocate_operator_
SetOncePointer< Node >	wasm_instance_node_
Isolate *	isolate_
Zone *	zone_
TFGraph *	graph_
CommonOperatorBuilder *	common_
MachineOperatorBuilder *	machine_
JSGraphAssembler *	graph_assembler_
bool	is_wasm_
AllocationFolding	allocation_folding_
WriteBarrierAssertFailedCallback	write_barrier_assert_failed_
const char *	function_debug_name_

Additional Inherited Members
Static Public Member Functions inherited from v8::internal::compiler::Reducer
static Reduction	NoChange ()
static Reduction	Replace (Node *node)
static Reduction	Changed (Node *node)

Detailed Description

Definition at line 27 of file memory-lowering.h.

Member Typedef Documentation

WriteBarrierAssertFailedCallback

using v8::internal::compiler::MemoryLowering::WriteBarrierAssertFailedCallback

Initial value:

 std::function<void(
      Node* node, Node* object, const char* name, Zone* temp_zone)>

Definition at line 73 of file memory-lowering.h.

Member Enumeration Documentation

AllocationFolding

enum class v8::internal::compiler::MemoryLowering::AllocationFolding

strong

Enumerator
kDoAllocationFolding
kDontAllocationFolding

Definition at line 29 of file memory-lowering.h.

Constructor & Destructor Documentation

MemoryLowering()

v8::internal::compiler::MemoryLowering::MemoryLowering	(	JSGraph *	jsgraph,
		Zone *	zone,
		JSGraphAssembler *	graph_assembler,
		bool	is_wasm,
		AllocationFolding	allocation_folding = AllocationFolding::kDontAllocationFolding,
		WriteBarrierAssertFailedCallback	callback = [](Node*, Node*, const char*,                                                     Zone*) { UNREACHABLE(); },
		const char *	function_debug_name = nullptr )

Definition at line 61 of file memory-lowering.cc.

Member Function Documentation

AlignToAllocationAlignment()

Node * v8::internal::compiler::MemoryLowering::AlignToAllocationAlignment ( Node * address )

private

Definition at line 136 of file memory-lowering.cc.

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common()

CommonOperatorBuilder * v8::internal::compiler::MemoryLowering::common ( ) const

inlineprivate

Definition at line 126 of file memory-lowering.h.

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ComputeIndex()

Node * v8::internal::compiler::MemoryLowering::ComputeIndex ( ElementAccess const & access, Node * node )

private

Definition at line 663 of file memory-lowering.cc.

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ComputeWriteBarrierKind()

WriteBarrierKind v8::internal::compiler::MemoryLowering::ComputeWriteBarrierKind ( Node * node, Node * object, Node * value, AllocationState const * state, WriteBarrierKind write_barrier_kind )

private

Definition at line 707 of file memory-lowering.cc.

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DISALLOW_IMPLICIT_CONSTRUCTORS()

v8::internal::compiler::MemoryLowering::DISALLOW_IMPLICIT_CONSTRUCTORS ( MemoryLowering )

private

EnsureAllocateOperator()

void v8::internal::compiler::MemoryLowering::EnsureAllocateOperator ( )

private

Definition at line 108 of file memory-lowering.cc.

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gasm()

JSGraphAssembler * v8::internal::compiler::MemoryLowering::gasm ( ) const

inlineprivate

Definition at line 128 of file memory-lowering.h.

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GetWasmInstanceNode()

Node * v8::internal::compiler::MemoryLowering::GetWasmInstanceNode ( )

private

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graph()

TFGraph * v8::internal::compiler::MemoryLowering::graph ( ) const

inlineprivate

Definition at line 122 of file memory-lowering.h.

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graph_zone()

Zone * v8::internal::compiler::MemoryLowering::graph_zone ( ) const

inlineprivate

Definition at line 77 of file memory-lowering.cc.

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isolate()

Isolate * v8::internal::compiler::MemoryLowering::isolate ( ) const

inlineprivate

Definition at line 123 of file memory-lowering.h.

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machine()

MachineOperatorBuilder * v8::internal::compiler::MemoryLowering::machine ( ) const

inlineprivate

Definition at line 127 of file memory-lowering.h.

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Reduce()

Reduction v8::internal::compiler::MemoryLowering::Reduce ( Node * node )

overridevirtual

Implements v8::internal::compiler::Reducer.

Definition at line 79 of file memory-lowering.cc.

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ReduceAllocateRaw() [1/2]

Reduction v8::internal::compiler::MemoryLowering::ReduceAllocateRaw ( Node * node )

private

Definition at line 701 of file memory-lowering.cc.

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ReduceAllocateRaw() [2/2]

Reduction v8::internal::compiler::MemoryLowering::ReduceAllocateRaw	(	Node *	node,
		AllocationType	allocation_type,
		AllocationState const **	state )

Definition at line 162 of file memory-lowering.cc.

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ReduceLoadBoundedSize()

Reduction v8::internal::compiler::MemoryLowering::ReduceLoadBoundedSize ( Node * node )

private

Definition at line 498 of file memory-lowering.cc.

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ReduceLoadElement()

Reduction v8::internal::compiler::MemoryLowering::ReduceLoadElement

(

Node *

node

)

Definition at line 419 of file memory-lowering.cc.

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ReduceLoadExternalPointerField()

Reduction v8::internal::compiler::MemoryLowering::ReduceLoadExternalPointerField ( Node * node )

private

Definition at line 430 of file memory-lowering.cc.

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ReduceLoadField()

Reduction v8::internal::compiler::MemoryLowering::ReduceLoadField

(

Node *

node

)

Definition at line 535 of file memory-lowering.cc.

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ReduceLoadFromObject()

Reduction v8::internal::compiler::MemoryLowering::ReduceLoadFromObject

(

Node *

node

)

Definition at line 397 of file memory-lowering.cc.

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ReduceLoadMap()

Reduction v8::internal::compiler::MemoryLowering::ReduceLoadMap ( Node * node )

private

Definition at line 519 of file memory-lowering.cc.

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reducer_name()

const char * v8::internal::compiler::MemoryLowering::reducer_name ( ) const

inlineoverridevirtual

Implements v8::internal::compiler::Reducer.

Definition at line 85 of file memory-lowering.h.

ReduceStore()

Reduction v8::internal::compiler::MemoryLowering::ReduceStore	(	Node *	node,
		AllocationState const *	state = nullptr )

Definition at line 646 of file memory-lowering.cc.

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ReduceStoreElement()

Reduction v8::internal::compiler::MemoryLowering::ReduceStoreElement	(	Node *	node,
		AllocationState const *	state = nullptr )

Definition at line 581 of file memory-lowering.cc.

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ReduceStoreField()

Reduction v8::internal::compiler::MemoryLowering::ReduceStoreField	(	Node *	node,
		AllocationState const *	state = nullptr )

Definition at line 597 of file memory-lowering.cc.

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ReduceStoreToObject()

Reduction v8::internal::compiler::MemoryLowering::ReduceStoreToObject	(	Node *	node,
		AllocationState const *	state = nullptr )

Definition at line 560 of file memory-lowering.cc.

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zone()

Zone * v8::internal::compiler::MemoryLowering::zone ( ) const

inlineprivate

Definition at line 124 of file memory-lowering.h.

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Member Data Documentation

allocate_operator_

SetOncePointer<const Operator> v8::internal::compiler::MemoryLowering::allocate_operator_

private

Definition at line 130 of file memory-lowering.h.

allocation_folding_

AllocationFolding v8::internal::compiler::MemoryLowering::allocation_folding_

private

Definition at line 139 of file memory-lowering.h.

common_

CommonOperatorBuilder* v8::internal::compiler::MemoryLowering::common_

private

Definition at line 135 of file memory-lowering.h.

function_debug_name_

const char* v8::internal::compiler::MemoryLowering::function_debug_name_

private

Definition at line 141 of file memory-lowering.h.

graph_

TFGraph* v8::internal::compiler::MemoryLowering::graph_

private

Definition at line 134 of file memory-lowering.h.

graph_assembler_

JSGraphAssembler* v8::internal::compiler::MemoryLowering::graph_assembler_

private

Definition at line 137 of file memory-lowering.h.

is_wasm_

bool v8::internal::compiler::MemoryLowering::is_wasm_

private

Definition at line 138 of file memory-lowering.h.

isolate_

Isolate* v8::internal::compiler::MemoryLowering::isolate_

private

Definition at line 132 of file memory-lowering.h.

machine_

MachineOperatorBuilder* v8::internal::compiler::MemoryLowering::machine_

private

Definition at line 136 of file memory-lowering.h.

wasm_instance_node_

SetOncePointer<Node> v8::internal::compiler::MemoryLowering::wasm_instance_node_

private

Definition at line 131 of file memory-lowering.h.

write_barrier_assert_failed_

WriteBarrierAssertFailedCallback v8::internal::compiler::MemoryLowering::write_barrier_assert_failed_

private

Definition at line 140 of file memory-lowering.h.

zone_

Zone* v8::internal::compiler::MemoryLowering::zone_

private

Definition at line 133 of file memory-lowering.h.

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

• src/compiler/memory-lowering.h
• src/compiler/memory-lowering.cc