dart::GotoInstr Class Reference

#include <il.h>

Inheritance diagram for dart::GotoInstr:

Public Member Functions
	GotoInstr (JoinEntryInstr *entry, intptr_t deopt_id)
BlockEntryInstr *	block () const
void	set_block (BlockEntryInstr *block)
JoinEntryInstr *	successor () const
void	set_successor (JoinEntryInstr *successor)
virtual intptr_t	SuccessorCount () const
virtual BlockEntryInstr *	SuccessorAt (intptr_t index) const
double	edge_weight () const
void	set_edge_weight (double weight)
void	adjust_edge_weight (double scale_factor)
virtual bool	CanBecomeDeoptimizationTarget () const
virtual intptr_t	DeoptimizationTarget () const
virtual bool	ComputeCanDeoptimize () const
virtual bool	HasUnknownSideEffects () const
ParallelMoveInstr *	parallel_move () const
bool	HasParallelMove () const
bool	HasNonRedundantParallelMove () const
ParallelMoveInstr *	GetParallelMove ()
virtual TokenPosition	token_pos () const
	DISALLOW_COPY_AND_ASSIGN (GotoInstr)
Public Member Functions inherited from dart::TemplateInstruction< 0, NoThrow >
	TemplateInstruction (intptr_t deopt_id=DeoptId::kNone)
	TemplateInstruction (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 Attributes
DECLARE_INSTRUCTION_SERIALIZABLE_FIELDS(GotoInstr, TemplateInstruction, FIELD_LIST) DECLARE_EXTRA_SERIALIZATION private JoinEntryInstr *	successor_ = nullptr

Additional Inherited Members
Public Types inherited from dart::TemplateInstruction< 0, NoThrow >
using	BaseClass = typename NoCSE< Instruction, PureInstruction >::Base
Protected Attributes inherited from dart::TemplateInstruction< 0, NoThrow >
EmbeddedArray< Value *, N >	inputs_

Detailed Description

Definition at line 3682 of file il.h.

Constructor & Destructor Documentation

GotoInstr()

dart::GotoInstr::GotoInstr ( JoinEntryInstr *  entry, intptr_t  deopt_id  )

inlineexplicit

Definition at line 3684 of file il.h.

      : TemplateInstruction(deopt_id),
        edge_weight_(0.0),
        parallel_move_(nullptr),
        successor_(entry) {}

Member Function Documentation

adjust_edge_weight()

void dart::GotoInstr::adjust_edge_weight ( double  scale_factor )

inline

Definition at line 3702 of file il.h.

{ edge_weight_ *= scale_factor; }

block()

BlockEntryInstr * dart::GotoInstr::block ( ) const

inline

Definition at line 3692 of file il.h.

{ return block_; }

CanBecomeDeoptimizationTarget()

virtual bool dart::GotoInstr::CanBecomeDeoptimizationTarget ( ) const

inlinevirtual

Definition at line 3704 of file il.h.

                                                     {
    // Goto instruction can be used as a deoptimization target when LICM
    // hoists instructions out of the loop.
    return true;
  }

ComputeCanDeoptimize()

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

inlinevirtual

Definition at line 3713 of file il.h.

{ return false; }

DeoptimizationTarget()

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

inlinevirtual

Definition at line 3711 of file il.h.

{ return GetDeoptId(); }

DISALLOW_COPY_AND_ASSIGN()

dart::GotoInstr::DISALLOW_COPY_AND_ASSIGN

(

GotoInstr

)

edge_weight()

double dart::GotoInstr::edge_weight ( ) const

inline

Definition at line 3700 of file il.h.

{ return edge_weight_; }

GetParallelMove()

ParallelMoveInstr * dart::GotoInstr::GetParallelMove ( )

inline

Definition at line 3725 of file il.h.

                                       {
    if (parallel_move_ == nullptr) {
      parallel_move_ = new ParallelMoveInstr();
    }
    return parallel_move_;
  }

HasNonRedundantParallelMove()

bool dart::GotoInstr::HasNonRedundantParallelMove ( ) const

inline

Definition at line 3721 of file il.h.

                                           {
    return HasParallelMove() && !parallel_move()->IsRedundant();
  }

HasParallelMove()

bool dart::GotoInstr::HasParallelMove ( ) const

inline

Definition at line 3719 of file il.h.

{ return parallel_move_ != nullptr; }

HasUnknownSideEffects()

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

inlinevirtual

Definition at line 3715 of file il.h.

{ return false; }

parallel_move()

ParallelMoveInstr * dart::GotoInstr::parallel_move ( ) const

inline

Definition at line 3717 of file il.h.

{ return parallel_move_; }

set_block()

void dart::GotoInstr::set_block ( BlockEntryInstr *  block )

inline

Definition at line 3693 of file il.h.

{ block_ = block; }

set_edge_weight()

void dart::GotoInstr::set_edge_weight ( double  weight )

inline

Definition at line 3701 of file il.h.

{ edge_weight_ = weight; }

set_successor()

void dart::GotoInstr::set_successor ( JoinEntryInstr *  successor )

inline

Definition at line 3696 of file il.h.

{ successor_ = successor; }

successor()

JoinEntryInstr * dart::GotoInstr::successor ( ) const

inline

Definition at line 3695 of file il.h.

{ return successor_; }

SuccessorAt()

BlockEntryInstr * dart::GotoInstr::SuccessorAt ( intptr_t  index ) const

virtual

Definition at line 2016 of file il.cc.

                                                            {
  ASSERT(index == 0);
  return successor();
}

SuccessorCount()

intptr_t dart::GotoInstr::SuccessorCount ( ) const

virtual

Definition at line 2012 of file il.cc.

                                         {
  return 1;
}

token_pos()

virtual TokenPosition dart::GotoInstr::token_pos ( ) const

inlinevirtual

Definition at line 3732 of file il.h.

                                          {
    return TokenPosition::kControlFlow;
  }

Member Data Documentation

successor_

DECLARE_INSTRUCTION_SERIALIZABLE_FIELDS (GotoInstr, TemplateInstruction, FIELD_LIST) DECLARE_EXTRA_SERIALIZATION private JoinEntryInstr* dart::GotoInstr::successor_ = nullptr

Definition at line 3752 of file il.h.

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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