dart::ConstantPropagator Class Reference

#include <constant_propagator.h>

Inheritance diagram for dart::ConstantPropagator:

Public Member Functions
	ConstantPropagator (FlowGraph *graph, const GrowableArray< BlockEntryInstr * > &ignored)
Public Member Functions inherited from dart::FlowGraphVisitor
	FlowGraphVisitor (const GrowableArray< BlockEntryInstr * > &block_order)
virtual	~FlowGraphVisitor ()
ForwardInstructionIterator *	current_iterator () const
Public Member Functions inherited from dart::InstructionVisitor
	InstructionVisitor ()
virtual	~InstructionVisitor ()
Public Member Functions inherited from dart::ValueObject
	ValueObject ()
	~ValueObject ()

Static Public Member Functions
static void	Optimize (FlowGraph *graph)
static void	OptimizeBranches (FlowGraph *graph)
static ObjectPtr	Unknown ()

Private Member Functions
virtual void	VisitBlocks ()

Additional Inherited Members
Protected Member Functions inherited from dart::FlowGraphVisitor
void	set_block_order (const GrowableArray< BlockEntryInstr * > &block_order)
Protected Attributes inherited from dart::FlowGraphVisitor
ForwardInstructionIterator *	current_iterator_

Detailed Description

Definition at line 19 of file constant_propagator.h.

Constructor & Destructor Documentation

ConstantPropagator()

dart::ConstantPropagator::ConstantPropagator	(	FlowGraph *	graph,
		const GrowableArray< BlockEntryInstr * > &	ignored
	)

Definition at line 29 of file constant_propagator.cc.

    : FlowGraphVisitor(ignored),
      graph_(graph),
      unknown_(Object::unknown_constant()),
      non_constant_(Object::non_constant()),
      constant_value_(Object::Handle(Z)),
      reachable_(new(Z) BitVector(Z, graph->preorder().length())),
      unwrapped_phis_(new(Z) BitVector(Z, graph->current_ssa_temp_index())),
      block_worklist_(),
      definition_worklist_(graph, 10) {}

Member Function Documentation

Optimize()

void dart::ConstantPropagator::Optimize ( FlowGraph *  graph )

static

Definition at line 42 of file constant_propagator.cc.

                                                  {
  GrowableArray<BlockEntryInstr*> ignored;
  ConstantPropagator cp(graph, ignored);
  cp.Analyze();
  cp.Transform();
}

OptimizeBranches()

void dart::ConstantPropagator::OptimizeBranches ( FlowGraph *  graph )

static

Definition at line 49 of file constant_propagator.cc.

                                                          {
  GrowableArray<BlockEntryInstr*> ignored;
  ConstantPropagator cp(graph, ignored);
  cp.Analyze();
  cp.Transform();
  cp.EliminateRedundantBranches();
}

Unknown()

static ObjectPtr dart::ConstantPropagator::Unknown ( )

inlinestatic

Definition at line 39 of file constant_propagator.h.

{ return Object::unknown_constant().ptr(); }

VisitBlocks()

virtual void dart::ConstantPropagator::VisitBlocks ( )

inlineprivatevirtual

Reimplemented from dart::FlowGraphVisitor.

Definition at line 75 of file constant_propagator.h.

{ UNREACHABLE(); }

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

• third_party/dart-lang/sdk/runtime/vm/compiler/backend/constant_propagator.h
• third_party/dart-lang/sdk/runtime/vm/compiler/backend/constant_propagator.cc