com.oracle.graal.phases.graph

Class SinglePassNodeIterator.PathStart<U>

java.lang.Object

com.oracle.graal.phases.graph.SinglePassNodeIterator.PathStart<U>

Enclosing class:

SinglePassNodeIterator<T extends MergeableState<T>>

private static final class SinglePassNodeIterator.PathStart<U>
extends Object

An item queued in SinglePassNodeIterator.nodeQueue can be used to continue with the single-pass visit after the previous path can't be followed anymore. Such items are:

• de-queued via SinglePassNodeIterator.nextQueuedNode()
• en-queued via SinglePassNodeIterator.queueMerge(EndNode) and SinglePassNodeIterator.queueSuccessors(FixedNode)

Correspondingly each item may stand for:

• a AbstractMergeNode whose pre-state results from merging those of its forward-ends, see SinglePassNodeIterator.nextQueuedNode()
• a successor of a control-split node, in which case the state on entry to it (the successor) is also stored in the item, see SinglePassNodeIterator.nextQueuedNode()

Field Summary

Fields

Modifier and Type	Field and Description
private AbstractBeginNode	node
private U	stateOnEntry

Constructor Summary

Constructors

Modifier	Constructor and Description
private	PathStart(AbstractBeginNode node, U stateOnEntry)

Method Summary

Modifier and Type	Method and Description
private boolean	repOK()

Methods inherited from class java.lang.Object

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

Field Detail

node

private final AbstractBeginNode node

stateOnEntry

private final U stateOnEntry

Constructor Detail

PathStart

private PathStart(AbstractBeginNode node,
                  U stateOnEntry)

Method Detail

repOK

private boolean repOK()

Returns:

true iff this instance is internally consistent (ie, its "representation is OK")