#include <il.h>

Inheritance diagram for dart::AllocateContextInstr:

Public Member Functions
	AllocateContextInstr (const InstructionSource &source, const ZoneGrowableArray< const Slot * > &context_slots, intptr_t deopt_id)

virtual CompileType	ComputeType () const

const ZoneGrowableArray< const Slot * > &	context_slots () const

intptr_t	num_context_variables () const

virtual Definition *	Canonicalize (FlowGraph *flow_graph)

virtual bool	ComputeCanDeoptimize () const

virtual bool	HasUnknownSideEffects () const

virtual bool	WillAllocateNewOrRemembered () const

Public Member Functions inherited from dart::TemplateAllocation< 0 >
	TemplateAllocation (const InstructionSource &source, intptr_t deopt_id)

virtual intptr_t	InputCount () const

virtual Value *	InputAt (intptr_t i) const

virtual bool	MayHaveVisibleEffect () const

Public Member Functions inherited from dart::AllocationInstr
	AllocationInstr (const InstructionSource &source, intptr_t deopt_id=DeoptId::kNone)

virtual TokenPosition	token_pos () const

virtual AliasIdentity	Identity () const

virtual void	SetIdentity (AliasIdentity identity)

virtual bool	WillAllocateNewOrRemembered () const =0

virtual bool	MayThrow () const

virtual bool	ComputeCanDeoptimize () const

virtual bool	ComputeCanDeoptimizeAfterCall () const

virtual intptr_t	NumberOfInputsConsumedBeforeCall () const

virtual const Slot *	SlotForInput (intptr_t pos)

intptr_t	InputForSlot (const Slot &slot)

virtual bool	ObjectIsInitialized ()

PRINT_OPERANDS_TO_SUPPORT	DECLARE_ABSTRACT_INSTRUCTION (Allocation)

Public Member Functions inherited from dart::Definition
	Definition (intptr_t deopt_id=DeoptId::kNone)

	Definition (const InstructionSource &source, intptr_t deopt_id=DeoptId::kNone)

virtual intptr_t	CallCount () const

intptr_t	temp_index () const

void	set_temp_index (intptr_t index)

void	ClearTempIndex ()

bool	HasTemp () const

intptr_t	ssa_temp_index () const

void	set_ssa_temp_index (intptr_t index)

bool	HasSSATemp () const

void	ClearSSATempIndex ()

intptr_t	vreg (intptr_t index) const

intptr_t	location_count () const

bool	HasPairRepresentation () const

CompileType *	Type ()

bool	HasType () const

bool	IsInt64Definition ()

bool	IsInt32Definition ()

virtual CompileType	ComputeType () const

virtual bool	RecomputeType ()

PRINT_OPERANDS_TO_SUPPORT PRINT_TO_SUPPORT bool	UpdateType (CompileType new_type)

bool	HasUses () const

bool	HasOnlyUse (Value *use) const

bool	HasOnlyInputUse (Value *use) const

Value *	input_use_list () const

void	set_input_use_list (Value *head)

Value *	env_use_list () const

void	set_env_use_list (Value *head)

ValueListIterable	input_uses () const

void	AddInputUse (Value *value)

void	AddEnvUse (Value *value)

virtual bool	MayCreateUnsafeUntaggedPointer () const

virtual bool	CanReplaceWithConstant () const

virtual bool	CanEliminate (const BlockEntryInstr *block) const

void	ReplaceUsesWith (Definition *other)

void	ReplaceWithResult (Instruction replacement, Definition replacement_for_uses, ForwardInstructionIterator *iterator)

void	ReplaceWith (Definition other, ForwardInstructionIterator iterator)

Object &	constant_value ()

virtual void	InferRange (RangeAnalysis analysis, Range range)

Range *	range () const

void	set_range (const Range &)

virtual Definition *	Canonicalize (FlowGraph *flow_graph)

Definition *	Replacement ()

void	SetReplacement (Definition *other)

virtual AliasIdentity	Identity () const

virtual void	SetIdentity (AliasIdentity identity)

Definition *	OriginalDefinition ()

virtual Value *	RedefinedValue () const

Definition *	OriginalDefinitionIgnoreBoxingAndConstraints ()

virtual Definition *	AsDefinition ()

virtual const Definition *	AsDefinition () const

Public Member Functions inherited from dart::Instruction
	Instruction (const InstructionSource &source, intptr_t deopt_id=DeoptId::kNone)

	Instruction (intptr_t deopt_id=DeoptId::kNone)

virtual	~Instruction ()

virtual Tag	tag () const =0

virtual intptr_t	statistics_tag () const

intptr_t	deopt_id () const

virtual TokenPosition	token_pos () const

InstructionSource	source () const

virtual intptr_t	InputCount () const =0

virtual Value *	InputAt (intptr_t i) const =0

void	SetInputAt (intptr_t i, Value *value)

InputsIterable	inputs ()

void	UnuseAllInputs ()

virtual intptr_t	ArgumentCount () const

Value *	ArgumentValueAt (intptr_t index) const

Definition *	ArgumentAt (intptr_t index) const

virtual void	SetMoveArguments (MoveArgumentsArray *move_arguments)

virtual MoveArgumentsArray *	GetMoveArguments () const

virtual void	ReplaceInputsWithMoveArguments (MoveArgumentsArray *move_arguments)

bool	HasMoveArguments () const

void	RepairArgumentUsesInEnvironment () const

virtual bool	ComputeCanDeoptimize () const =0

virtual bool	ComputeCanDeoptimizeAfterCall () const

bool	CanDeoptimize () const

virtual void	Accept (InstructionVisitor *visitor)=0

Instruction *	previous () const

void	set_previous (Instruction *instr)

Instruction *	next () const

void	set_next (Instruction *instr)

void	LinkTo (Instruction *next)

Instruction *	RemoveFromGraph (bool return_previous=true)

virtual intptr_t	SuccessorCount () const

virtual BlockEntryInstr *	SuccessorAt (intptr_t index) const

SuccessorsIterable	successors () const

void	Goto (JoinEntryInstr *entry)

virtual const char *	DebugName () const =0

void	CheckField (const Field &field) const

const char *	ToCString () const

	DECLARE_INSTRUCTION_TYPE_CHECK (BlockEntryWithInitialDefs, BlockEntryWithInitialDefs) template< typename T > T *Cast()

template<typename T >
const T *	Cast () const

LocationSummary *	locs ()

bool	HasLocs () const

virtual LocationSummary *	MakeLocationSummary (Zone *zone, bool is_optimizing) const =0

void	InitializeLocationSummary (Zone *zone, bool optimizing)

virtual void	EmitNativeCode (FlowGraphCompiler *compiler)

Environment *	env () const

void	SetEnvironment (Environment *deopt_env)

void	RemoveEnvironment ()

void	ReplaceInEnvironment (Definition current, Definition replacement)

virtual intptr_t	NumberOfInputsConsumedBeforeCall () const

intptr_t	GetPassSpecificId (CompilerPass::Id pass) const

void	SetPassSpecificId (CompilerPass::Id pass, intptr_t id)

bool	HasPassSpecificId (CompilerPass::Id pass) const

bool	HasUnmatchedInputRepresentations () const

virtual Representation	RequiredInputRepresentation (intptr_t idx) const

SpeculativeMode	SpeculativeModeOfInputs () const

virtual SpeculativeMode	SpeculativeModeOfInput (intptr_t index) const

virtual Representation	representation () const

bool	WasEliminated () const

virtual intptr_t	DeoptimizationTarget () const

virtual Instruction *	Canonicalize (FlowGraph *flow_graph)

void	InsertBefore (Instruction *next)

void	InsertAfter (Instruction *prev)

Instruction *	AppendInstruction (Instruction *tail)

virtual bool	AllowsCSE () const

virtual bool	HasUnknownSideEffects () const =0

virtual bool	CanCallDart () const

virtual bool	CanTriggerGC () const

virtual BlockEntryInstr *	GetBlock ()

virtual intptr_t	inlining_id () const

virtual void	set_inlining_id (intptr_t value)

virtual bool	has_inlining_id () const

virtual uword	Hash () const

bool	Equals (const Instruction &other) const

virtual bool	AttributesEqual (const Instruction &other) const

void	InheritDeoptTarget (Zone zone, Instruction other)

bool	NeedsEnvironment () const

virtual bool	CanBecomeDeoptimizationTarget () const

void	InheritDeoptTargetAfter (FlowGraph flow_graph, Definition call, Definition *result)

virtual bool	MayThrow () const =0

virtual bool	MayHaveVisibleEffect () const

virtual bool	CanEliminate (const BlockEntryInstr *block) const

bool	CanEliminate ()

bool	IsDominatedBy (Instruction *dom)

void	ClearEnv ()

void	Unsupported (FlowGraphCompiler *compiler)

virtual bool	UseSharedSlowPathStub (bool is_optimizing) const

Location::Kind	RegisterKindForResult () const

Public Member Functions inherited from dart::ZoneAllocated
	ZoneAllocated ()

void *	operator new (size_t size)

void *	operator new (size_t size, Zone *zone)

void	operator delete (void *pointer)

Additional Inherited Members
Public Types inherited from dart::Instruction
enum	Tag { FOR_EACH_INSTRUCTION =(DECLARE_TAG) kNumInstructions }

enum	SpeculativeMode { kGuardInputs , kNotSpeculative }

using	InputsIterable = InstructionIndexedPropertyIterable< InputsTrait >

using	SuccessorsIterable = InstructionIndexedPropertyIterable< SuccessorsTrait >

Static Public Member Functions inherited from dart::Definition
static bool	IsArrayLength (Definition *def)

Static Public Member Functions inherited from dart::Instruction
static const ICData *	GetICData (const ZoneGrowableArray< const ICData * > &ic_data_array, intptr_t deopt_id, bool is_static_call)

static LocationSummary *	MakeCallSummary (Zone zone, const Instruction instr, LocationSummary *locs=nullptr)

static bool	SlowPathSharingSupported (bool is_optimizing)

Static Public Attributes inherited from dart::Definition
static constexpr intptr_t	kReplacementMarker = -2

Static Public Attributes inherited from dart::Instruction
static const intptr_t	kInstructionAttrs [kNumInstructions]

Protected Member Functions inherited from dart::Definition
void	set_type (CompileType *type)

Protected Member Functions inherited from dart::Instruction
intptr_t	GetDeoptId () const

virtual void	CopyDeoptIdFrom (const Instruction &instr)

void	WriteExtraWithoutInputs (FlowGraphSerializer *s)

void	ReadExtraWithoutInputs (FlowGraphDeserializer *d)

Protected Attributes inherited from dart::TemplateAllocation< 0 >
EmbeddedArray< Value *, N >	inputs_

Protected Attributes inherited from dart::Definition
Range *	range_ = nullptr

Detailed Description

Definition at line 8378 of file il.h.

Constructor & Destructor Documentation

◆ AllocateContextInstr()

dart::AllocateContextInstr::AllocateContextInstr	(	const InstructionSource &	source,
		const ZoneGrowableArray< const Slot * > &	context_slots,
		intptr_t	deopt_id
	)

inline

Definition at line 8380 of file il.h.

8383 : TemplateAllocation(source, deopt_id), context_slots_(context_slots) {}

dart::AllocateContextInstr::context_slots

const ZoneGrowableArray< const Slot * > & context_slots() const

Definition: il.h:8388

dart::Instruction::source

InstructionSource source() const

Definition: il.h:1008

dart::Instruction::deopt_id

intptr_t deopt_id() const

Definition: il.h:993

dart::TemplateAllocation< 0 >::TemplateAllocation

TemplateAllocation(const InstructionSource &source, intptr_t deopt_id)

Definition: il.h:7385

Member Function Documentation

◆ Canonicalize()

Definition * dart::AllocateContextInstr::Canonicalize ( FlowGraph * flow_graph )

virtual

Reimplemented from dart::Definition.

Definition at line 935 of file il.cc.

                                                                    {
  if (!HasUses()) return nullptr;
  // Remove AllocateContext if it is only used as an object in StoreField
  // instructions.
  if (env_use_list() != nullptr) return this;
  for (auto use : input_uses()) {
    auto store = use->instruction()->AsStoreField();
    if ((store == nullptr) ||
        (use->use_index() != StoreFieldInstr::kInstancePos)) {
      return this;
    }
  }
  // Cleanup all StoreField uses.
  while (input_use_list() != nullptr) {
    input_use_list()->instruction()->RemoveFromGraph();
  }
  return nullptr;
}

◆ ComputeCanDeoptimize()

virtual bool dart::AllocateContextInstr::ComputeCanDeoptimize ( ) const

inlinevirtual

Reimplemented from dart::AllocationInstr.

Definition at line 8396 of file il.h.

8396{ return false; }

◆ ComputeType()

CompileType dart::AllocateContextInstr::ComputeType ( ) const

virtual

Reimplemented from dart::Definition.

Definition at line 1439 of file type_propagator.cc.

                                                    {
  return CompileType(CompileType::kCannotBeNull, CompileType::kCannotBeSentinel,
                     kContextCid, &Object::dynamic_type());
}

◆ context_slots()

const ZoneGrowableArray< const Slot * > & dart::AllocateContextInstr::context_slots ( ) const

inline

Definition at line 8388 of file il.h.

                                                              {
    return context_slots_;
  }

◆ HasUnknownSideEffects()

virtual bool dart::AllocateContextInstr::HasUnknownSideEffects ( ) const

inlinevirtual

Implements dart::Instruction.

Definition at line 8398 of file il.h.

8398{ return false; }

◆ num_context_variables()

intptr_t dart::AllocateContextInstr::num_context_variables ( ) const

inline

Definition at line 8392 of file il.h.

8392{ return context_slots().length(); }

◆ WillAllocateNewOrRemembered()

virtual bool dart::AllocateContextInstr::WillAllocateNewOrRemembered ( ) const

inlinevirtual

Implements dart::AllocationInstr.

Definition at line 8400 of file il.h.

                                                   {
    return compiler::target::WillAllocateNewOrRememberedContext(
        context_slots().length());
  }

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

third_party/dart-lang/sdk/runtime/vm/compiler/backend/il.h
third_party/dart-lang/sdk/runtime/vm/compiler/backend/il.cc
third_party/dart-lang/sdk/runtime/vm/compiler/backend/type_propagator.cc

Public Member Functions

Additional Inherited Members

Detailed Description

Constructor & Destructor Documentation

◆ AllocateContextInstr()

Member Function Documentation

◆ Canonicalize()

◆ ComputeCanDeoptimize()

◆ ComputeType()

◆ context_slots()

◆ HasUnknownSideEffects()

◆ num_context_variables()

◆ WillAllocateNewOrRemembered()