org.jruby.ir.dataflow

Class DataFlowProblem

java.lang.Object

org.jruby.ir.dataflow.DataFlowProblem

Direct Known Subclasses:

LiveVariablesProblem, LoadLocalVarPlacementProblem, StoreLocalVarPlacementProblem

public abstract class DataFlowProblem
extends Object

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	DataFlowProblem.DF_Direction

Field Summary

Fields

Modifier and Type	Field and Description
DataFlowProblem.DF_Direction	direction
protected List<FlowGraphNode>	flowGraphNodes
protected IRScope	scope

Constructor Summary

Constructors

Constructor and Description
DataFlowProblem(DataFlowProblem.DF_Direction d)

Method Summary

Methods

Modifier and Type	Method and Description
abstract FlowGraphNode	buildFlowGraphNode(BasicBlock bb)
void	compute_MOP_Solution()
String	getDataFlowVarsForOutput()
int	getDFVarsCount()
DataFlowProblem.DF_Direction	getFlowDirection()
protected FlowGraphNode	getFlowGraphNode(BasicBlock b)
Iterable<BasicBlock>	getIncomingSourcesOf(BasicBlock bb)
abstract String	getName()
Iterable<BasicBlock>	getOutgoingDestinationsOf(BasicBlock bb)
IRScope	getScope()
boolean	isEmpty() Are there are available data flow facts to run this problem? SSS FIXME: Silly optimization?
void	setup(IRScope scope)
String	toString()

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Field Detail

direction

public final DataFlowProblem.DF_Direction direction

flowGraphNodes

protected List<FlowGraphNode> flowGraphNodes

scope

protected IRScope scope

Constructor Detail

DataFlowProblem

public DataFlowProblem(DataFlowProblem.DF_Direction d)

Method Detail

buildFlowGraphNode

public abstract FlowGraphNode buildFlowGraphNode(BasicBlock bb)

getName

public abstract String getName()

isEmpty

public boolean isEmpty()

Are there are available data flow facts to run this problem? SSS FIXME: Silly optimization?

getFlowDirection

public DataFlowProblem.DF_Direction getFlowDirection()

setup

public void setup(IRScope scope)

getScope

public IRScope getScope()

compute_MOP_Solution

public void compute_MOP_Solution()

getDFVarsCount

public int getDFVarsCount()

getIncomingSourcesOf

public Iterable<BasicBlock> getIncomingSourcesOf(BasicBlock bb)

getOutgoingDestinationsOf

public Iterable<BasicBlock> getOutgoingDestinationsOf(BasicBlock bb)

getDataFlowVarsForOutput

public String getDataFlowVarsForOutput()

toString

public String toString()

Overrides:

toString in class Object

getFlowGraphNode

protected FlowGraphNode getFlowGraphNode(BasicBlock b)