com.oracle.graal.virtual.phases.ea

Class ReadEliminationClosure

java.lang.Object

com.oracle.graal.phases.graph.ReentrantBlockIterator.BlockIteratorClosure<T>

com.oracle.graal.virtual.phases.ea.EffectsPhase.Closure<BlockT>

com.oracle.graal.virtual.phases.ea.EffectsClosure<ReadEliminationBlockState>

com.oracle.graal.virtual.phases.ea.ReadEliminationClosure

public class ReadEliminationClosure
extends EffectsClosure<ReadEliminationBlockState>

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
private class	ReadEliminationClosure.ReadEliminationMergeProcessor

Nested classes/interfaces inherited from class com.oracle.graal.virtual.phases.ea.EffectsClosure

EffectsClosure.MergeProcessor

Field Summary

Fields inherited from class com.oracle.graal.virtual.phases.ea.EffectsClosure

aliases, blockEffects, cfg, changed, schedule

Constructor Summary

Constructors

Constructor and Description
ReadEliminationClosure(ControlFlowGraph cfg)

Method Summary

Modifier and Type	Method and Description
protected ReadEliminationBlockState	cloneState(ReadEliminationBlockState other)
protected EffectsClosure.MergeProcessor	createMergeProcessor(Block merge)
protected ReadEliminationBlockState	getInitialState()
private static void	processIdentity(ReadEliminationBlockState state, LocationIdentity identity)
protected void	processLoopExit(LoopExitNode exitNode, ReadEliminationBlockState initialState, ReadEliminationBlockState exitState, GraphEffectList effects)
protected boolean	processNode(Node node, ReadEliminationBlockState state, GraphEffectList effects, FixedWithNextNode lastFixedNode) Collects the effects of virtualizing the given node.

Methods inherited from class com.oracle.graal.virtual.phases.ea.EffectsClosure

addScalarAlias, applyEffects, getScalarAlias, hasChanged, hasScalarReplacedInputs, merge, processBlock, processInitialLoopState, processLoop

Methods inherited from class java.lang.Object

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

Constructor Detail

ReadEliminationClosure

public ReadEliminationClosure(ControlFlowGraph cfg)

Method Detail

getInitialState

protected ReadEliminationBlockState getInitialState()

Specified by:

getInitialState in class ReentrantBlockIterator.BlockIteratorClosure<ReadEliminationBlockState>

processNode

protected boolean processNode(Node node,
                              ReadEliminationBlockState state,
                              GraphEffectList effects,
                              FixedWithNextNode lastFixedNode)

Description copied from class: EffectsClosure

Collects the effects of virtualizing the given node.

Specified by:

processNode in class EffectsClosure<ReadEliminationBlockState>

Returns:

true if the effects include removing the node, false otherwise.

processIdentity

private static void processIdentity(ReadEliminationBlockState state,
                                    LocationIdentity identity)

processLoopExit

protected void processLoopExit(LoopExitNode exitNode,
                               ReadEliminationBlockState initialState,
                               ReadEliminationBlockState exitState,
                               GraphEffectList effects)

Specified by:

processLoopExit in class EffectsClosure<ReadEliminationBlockState>

cloneState

protected ReadEliminationBlockState cloneState(ReadEliminationBlockState other)

Specified by:

cloneState in class ReentrantBlockIterator.BlockIteratorClosure<ReadEliminationBlockState>

createMergeProcessor

protected EffectsClosure.MergeProcessor createMergeProcessor(Block merge)

Specified by:

createMergeProcessor in class EffectsClosure<ReadEliminationBlockState>