org.graalvm.compiler.nodes

Class AbstractBeginNode

java.lang.Object

org.graalvm.compiler.graph.Node

org.graalvm.compiler.nodes.ValueNode

org.graalvm.compiler.nodes.FixedNode

org.graalvm.compiler.nodes.FixedWithNextNode

org.graalvm.compiler.nodes.AbstractBeginNode

All Implemented Interfaces:

Cloneable, Formattable, IterableNodeType, AnchoringNode, GuardingNode, FixedNodeInterface, FixedWithNextNodeInterface, LIRLowerable, ValueNodeInterface

Direct Known Subclasses:

BeginNode, BeginStateSplitNode, UnreachableBeginNode

public abstract class AbstractBeginNode
extends FixedWithNextNode
implements LIRLowerable, GuardingNode, AnchoringNode, IterableNodeType

Nested Class Summary

Nested classes/interfaces inherited from class org.graalvm.compiler.graph.Node

Node.ConstantNodeParameter, Node.EdgeVisitor, Node.IndirectCanonicalization, Node.InjectedNodeParameter, Node.Input, Node.NodeInsertionStackTrace, Node.NodeIntrinsic, Node.NodeIntrinsicFactory, Node.OptionalInput, Node.Successor, Node.ValueNumberable

Field Summary

Fields

Modifier and Type	Field and Description
static NodeClass<AbstractBeginNode>	TYPE

Fields inherited from class org.graalvm.compiler.nodes.FixedWithNextNode

next

Fields inherited from class org.graalvm.compiler.nodes.ValueNode

EMPTY_ARRAY, stamp

Fields inherited from class org.graalvm.compiler.graph.Node

NODE_LIST, NOT_ITERABLE, TRACK_CREATION_POSITION, WithAllEdges, WithNoEdges, WithOnlyInputEdges, WithOnlySucessorEdges

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	AbstractBeginNode(NodeClass<? extends AbstractBeginNode> c)
protected	AbstractBeginNode(NodeClass<? extends AbstractBeginNode> c, Stamp stamp)

Method Summary

Modifier and Type	Method and Description
NodeIterable<Node>	anchored()
void	generate(NodeLIRBuilderTool gen)
NodeIterable<FixedNode>	getBlockNodes()
NodeIterable<GuardNode>	guards()
boolean	hasAnchored()
boolean	hasSpeculationFence()
boolean	isUsedAsGuardInput()
void	prepareDelete()
void	prepareDelete(FixedNode evacuateFrom)
static AbstractBeginNode	prevBegin(FixedNode from)
void	setHasSpeculationFence() Set this begin node to be a speculation fence.
boolean	verify()

Methods inherited from class org.graalvm.compiler.nodes.FixedWithNextNode

asFixedWithNextNode, next, setNext

Methods inherited from class org.graalvm.compiler.nodes.FixedNode

asFixedNode

Methods inherited from class org.graalvm.compiler.nodes.ValueNode

asConstant, asJavaConstant, asNode, asSerializableConstant, checkReplaceAtUsagesInvariants, getStackKind, graph, hasUsagesOtherThan, inferStamp, isAllowedUsageType, isConstant, isConstantPredicate, isDefaultConstant, isIllegalConstant, isJavaConstant, isNullConstant, isSerializableConstant, recursivelyDataFlowEqualsUpTo, setStamp, stamp, updateStamp, updateUsagesInterface

Methods inherited from class org.graalvm.compiler.graph.Node

afterClone, applyInputs, applySuccessors, assertFalse, assertTrue, cfgPredecessors, cfgSuccessors, clearInputs, clearNodeSourcePosition, clearSuccessors, copyWithInputs, copyWithInputs, dataFlowEquals, dynamicNodeSizeEstimate, estimatedNodeCycles, estimatedNodeSize, fail, formatTo, getCreationPosition, getDebug, getDebugProperties, getDebugProperties, getInsertionPosition, getNodeClass, getNodeSourcePosition, getOptions, getUsageCount, hasExactlyOneUsage, hashCode, hasMoreThanOneUsage, hasNoUsages, hasOnlyUsagesOfType, hasUsages, hasUsagesOfType, inputPositions, inputs, isAlive, isDeleted, isUnregistered, markDeleted, maybeNotifyZeroUsages, modCount, predecessor, pushInputs, removeUsage, replaceAllInputs, replaceAndDelete, replaceAtAllUsages, replaceAtMatchingUsages, replaceAtPredecessor, replaceAtUsages, replaceAtUsages, replaceAtUsages, replaceAtUsages, replaceAtUsages, replaceAtUsagesAndDelete, replaceAtUsagesAndDelete, replaceFirstInput, replaceFirstSuccessor, safeDelete, setCreationPosition, setInsertionPosition, setNodeSourcePosition, singleUsage, successorPositions, successors, toString, toString, updateNodeSourcePosition, updatePredecessor, updateUsages, usages, valueEquals, verifyEdges, verifyInputs, verifySourcePosition, withNodeSourcePosition

Methods inherited from class java.lang.Object

clone, equals, getClass, notify, notifyAll, wait, wait, wait

Methods inherited from interface org.graalvm.compiler.nodes.ValueNodeInterface

asNode

Methods inherited from interface org.graalvm.compiler.nodes.FixedNodeInterface

asFixedNode

Field Detail

TYPE

public static final NodeClass<AbstractBeginNode> TYPE

Constructor Detail

AbstractBeginNode

protected AbstractBeginNode(NodeClass<? extends AbstractBeginNode> c)

AbstractBeginNode

protected AbstractBeginNode(NodeClass<? extends AbstractBeginNode> c,
                            Stamp stamp)

Method Detail

prevBegin

public static AbstractBeginNode prevBegin(FixedNode from)

prepareDelete

public void prepareDelete()

prepareDelete

public void prepareDelete(FixedNode evacuateFrom)

verify

public boolean verify()

Overrides:

verify in class FixedNode

generate

public void generate(NodeLIRBuilderTool gen)

Specified by:

generate in interface LIRLowerable

isUsedAsGuardInput

public boolean isUsedAsGuardInput()

guards

public NodeIterable<GuardNode> guards()

anchored

public NodeIterable<Node> anchored()

hasAnchored

public boolean hasAnchored()

getBlockNodes

public NodeIterable<FixedNode> getBlockNodes()

setHasSpeculationFence

public void setHasSpeculationFence()

Set this begin node to be a speculation fence. This will prevent speculative execution of this block.

hasSpeculationFence

public boolean hasSpeculationFence()