#include <il.h>

Inheritance diagram for dart::ConstraintInstr:

Public Member Functions
	ConstraintInstr (Value value, Range constraint)

virtual CompileType	ComputeType () const

virtual bool	ComputeCanDeoptimize () const

virtual bool	HasUnknownSideEffects () const

virtual bool	AttributesEqual (const Instruction &other) const

Value *	value () const

Range *	constraint () const

virtual void	InferRange (RangeAnalysis analysis, Range range)

void	set_target (TargetEntryInstr *target)

TargetEntryInstr *	target () const

DECLARE_INSTRUCTION_SERIALIZABLE_FIELDS(ConstraintInstr, TemplateDefinition, FIELD_LIST) DECLARE_EXTRA_SERIALIZATION private	DISALLOW_COPY_AND_ASSIGN (ConstraintInstr)

Public Member Functions inherited from dart::TemplateDefinition< 1, 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< 1, 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< 1, NoThrow >
EmbeddedArray< Value *, N >	inputs_

Detailed Description

Definition at line 4173 of file il.h.

Constructor & Destructor Documentation

◆ ConstraintInstr()

dart::ConstraintInstr::ConstraintInstr	(	Value *	value,
		Range *	constraint
	)

inline

Definition at line 4175 of file il.h.

                                                   : constraint_(constraint) {
    SetInputAt(0, value);
  }

Member Function Documentation

◆ AttributesEqual()

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

inlinevirtual

Reimplemented from dart::Instruction.

Definition at line 4187 of file il.h.

                                                               {
    UNREACHABLE();
    return false;
  }

◆ ComputeCanDeoptimize()

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

inlinevirtual

Implements dart::Instruction.

Definition at line 4183 of file il.h.

4183{ return false; }

◆ ComputeType()

CompileType dart::ConstraintInstr::ComputeType ( ) const

virtual

Definition at line 1754 of file type_propagator.cc.

                                               {
  return CompileType::FromCid(kSmiCid);
}

◆ constraint()

Range * dart::ConstraintInstr::constraint ( ) const

inline

Definition at line 4193 of file il.h.

4193{ return constraint_; }

◆ DISALLOW_COPY_AND_ASSIGN()

DECLARE_INSTRUCTION_SERIALIZABLE_FIELDS(ConstraintInstr, TemplateDefinition, FIELD_LIST) DECLARE_EXTRA_SERIALIZATION private dart::ConstraintInstr::DISALLOW_COPY_AND_ASSIGN ( ConstraintInstr )

◆ HasUnknownSideEffects()

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

inlinevirtual

Implements dart::Instruction.

Definition at line 4185 of file il.h.

4185{ return false; }

◆ InferRange()

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

virtual

Definition at line 2808 of file range_analysis.cc.

                                                                      {
  const Range* value_range = analysis->GetSmiRange(value());
  if (Range::IsUnknown(value_range)) {
    return;
  }
 
  // TODO(vegorov) check if precision of the analysis can be improved by
  // recognizing intersections of the form:
  //
  //       (..., S+x] ^ [S+x, ...) = [S+x, S+x]
  //
  Range result = value_range->Intersect(constraint());
 
  if (result.IsUnsatisfiable()) {
    return;
  }
 
  *range = result;
}

◆ set_target()

void dart::ConstraintInstr::set_target ( TargetEntryInstr * target )

inline

Definition at line 4200 of file il.h.

4200{ target_ = target; }

dart::ConstraintInstr::target

TargetEntryInstr * target() const

Definition: il.h:4201

◆ target()

TargetEntryInstr * dart::ConstraintInstr::target ( ) const

inline

Definition at line 4201 of file il.h.

4201{ return target_; }

◆ value()

Value * dart::ConstraintInstr::value ( ) const

inline

Definition at line 4192 of file il.h.

4192{ return inputs_[0]; }

dart::TemplateDefinition< 1, NoThrow >::inputs_

EmbeddedArray< Value *, N > inputs_

Definition: il.h:2762

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

Public Member Functions

Additional Inherited Members

Detailed Description

Constructor & Destructor Documentation

◆ ConstraintInstr()

Member Function Documentation

◆ AttributesEqual()

◆ ComputeCanDeoptimize()

◆ ComputeType()

◆ constraint()

◆ DISALLOW_COPY_AND_ASSIGN()

◆ HasUnknownSideEffects()

◆ InferRange()

◆ set_target()

◆ target()

◆ value()