#include <il.h>

Inheritance diagram for dart::Utf8ScanInstr:

Public Member Functions
	Utf8ScanInstr (Value decoder, Value bytes, Value start, Value end, Value *table, const Slot &decoder_scan_flags_field)

virtual Representation	RequiredInputRepresentation (intptr_t idx) const

virtual Representation	representation () const

virtual bool	HasUnknownSideEffects () const

virtual bool	ComputeCanDeoptimize () const

virtual intptr_t	DeoptimizationTarget () const

virtual void	InferRange (RangeAnalysis analysis, Range range)

virtual SpeculativeMode	SpeculativeModeOfInput (intptr_t index) const

virtual bool	AttributesEqual (const Instruction &other) const

bool	IsScanFlagsUnboxed () const

Public Member Functions inherited from dart::TemplateDefinition< 5, NoThrow >
	TemplateDefinition (intptr_t deopt_id=DeoptId::kNone)

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

virtual intptr_t	InputCount () const

virtual Value *	InputAt (intptr_t i) const

virtual bool	MayThrow () 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::TemplateDefinition< 5, NoThrow >
using	BaseClass = typename NoCSE< Definition, PureDefinition >::Base

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::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::Instruction
static const intptr_t	kInstructionAttrs [kNumInstructions]

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::TemplateDefinition< 5, NoThrow >
EmbeddedArray< Value *, N >	inputs_

Detailed Description

Definition at line 7009 of file il.h.

Constructor & Destructor Documentation

◆ Utf8ScanInstr()

dart::Utf8ScanInstr::Utf8ScanInstr	(	Value *	decoder,
		Value *	bytes,
		Value *	start,
		Value *	end,
		Value *	table,
		const Slot &	decoder_scan_flags_field
	)

inline

Definition at line 7011 of file il.h.

      : scan_flags_field_(decoder_scan_flags_field) {
    SetInputAt(0, decoder);
    SetInputAt(1, bytes);
    SetInputAt(2, start);
    SetInputAt(3, end);
    SetInputAt(4, table);
  }

Member Function Documentation

◆ AttributesEqual()

virtual bool dart::Utf8ScanInstr::AttributesEqual ( const Instruction & other ) const

inlinevirtual

Reimplemented from dart::Instruction.

Definition at line 7045 of file il.h.

                                                               {
    return scan_flags_field_.Equals(other.AsUtf8Scan()->scan_flags_field_);
  }

◆ ComputeCanDeoptimize()

virtual bool dart::Utf8ScanInstr::ComputeCanDeoptimize ( ) const

inlinevirtual

Implements dart::Instruction.

Definition at line 7037 of file il.h.

7037{ return false; }

◆ DeoptimizationTarget()

virtual intptr_t dart::Utf8ScanInstr::DeoptimizationTarget ( ) const

inlinevirtual

Reimplemented from dart::Instruction.

Definition at line 7038 of file il.h.

7038{ return DeoptId::kNone; }

dart::DeoptId::kNone

static constexpr intptr_t kNone

Definition: deopt_id.h:27

◆ HasUnknownSideEffects()

virtual bool dart::Utf8ScanInstr::HasUnknownSideEffects ( ) const

inlinevirtual

Implements dart::Instruction.

Definition at line 7036 of file il.h.

7036{ return true; }

◆ InferRange()

void dart::Utf8ScanInstr::InferRange	(	RangeAnalysis *	analysis,
		Range *	range
	)

virtual

Definition at line 2985 of file range_analysis.cc.

                                                                    {
  // The input bytes given to the Utf8Scan instruction are in non-negative Smi
  // range and so is the resulting computed length.
  *range = Range(RangeBoundary::FromConstant(0), RangeBoundary::MaxSmi());
}

◆ IsScanFlagsUnboxed()

bool dart::Utf8ScanInstr::IsScanFlagsUnboxed ( ) const

Definition at line 7181 of file il.cc.

                                             {
  return RepresentationUtils::IsUnboxed(scan_flags_field_.representation());
}

◆ representation()

virtual Representation dart::Utf8ScanInstr::representation ( ) const

inlinevirtual

Reimplemented from dart::Instruction.

Definition at line 7034 of file il.h.

7034{ return kUnboxedIntPtr; }

dart::kUnboxedIntPtr

static constexpr Representation kUnboxedIntPtr

Definition: locations.h:176

◆ RequiredInputRepresentation()

virtual Representation dart::Utf8ScanInstr::RequiredInputRepresentation ( intptr_t idx ) const

inlinevirtual

Reimplemented from dart::Instruction.

Definition at line 7027 of file il.h.

                                                                         {
    ASSERT(idx >= 0 || idx <= 4);
    // The start and end inputs are unboxed, but in smi range.
    if (idx == 2 || idx == 3) return kUnboxedIntPtr;
    return kTagged;
  }

◆ SpeculativeModeOfInput()

virtual SpeculativeMode dart::Utf8ScanInstr::SpeculativeModeOfInput ( intptr_t index ) const

inlinevirtual

Reimplemented from dart::Instruction.

Definition at line 7041 of file il.h.

                                                                       {
    return kNotSpeculative;
  }

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/range_analysis.cc

Public Member Functions

Additional Inherited Members

Detailed Description

Constructor & Destructor Documentation

◆ Utf8ScanInstr()

Member Function Documentation

◆ AttributesEqual()

◆ ComputeCanDeoptimize()

◆ DeoptimizationTarget()

◆ HasUnknownSideEffects()

◆ InferRange()

◆ IsScanFlagsUnboxed()

◆ representation()

◆ RequiredInputRepresentation()

◆ SpeculativeModeOfInput()