Class NullCheckNode

java.lang.Object

jdk.graal.compiler.graph.Node

jdk.graal.compiler.nodes.ValueNode

jdk.graal.compiler.nodes.FixedNode

jdk.graal.compiler.nodes.FixedWithNextNode

jdk.graal.compiler.nodes.DeoptimizingFixedWithNextNode

jdk.graal.compiler.nodes.ImplicitNullCheckNode

jdk.graal.compiler.nodes.extended.NullCheckNode

All Implemented Interfaces:

Cloneable, Formattable, DeoptimizingNode, DeoptimizingNode.DeoptBefore, GuardingNode, FixedNodeInterface, FixedWithNextNodeInterface, LIRLowerable, NodeWithState, ValueNodeInterface

public final class NullCheckNode
extends ImplicitNullCheckNode
implements LIRLowerable, GuardingNode

Nested Class Summary

Nested classes/interfaces inherited from class jdk.graal.compiler.graph.Node

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

Nested classes/interfaces inherited from interface jdk.graal.compiler.nodes.DeoptimizingNode

DeoptimizingNode.DeoptAfter, DeoptimizingNode.DeoptBefore, DeoptimizingNode.DeoptDuring

Field Summary

Fields

Modifier and Type	Field	Description
static final NodeClass<NullCheckNode>	TYPE

Fields inherited from class jdk.graal.compiler.nodes.ImplicitNullCheckNode

deoptReasonAndAction, deoptSpeculation

Fields inherited from class jdk.graal.compiler.nodes.DeoptimizingFixedWithNextNode

stateBefore

Fields inherited from class jdk.graal.compiler.nodes.FixedWithNextNode

next

Fields inherited from class jdk.graal.compiler.nodes.ValueNode

EMPTY_ARRAY, stamp

Fields inherited from class jdk.graal.compiler.graph.Node

NOT_ITERABLE, TRACK_CREATION_POSITION, WithAllEdges, WithOnlyInputEdges

Constructor Summary

Constructors

Constructor	Description
NullCheckNode(ValueNode object)
NullCheckNode(ValueNode object, jdk.vm.ci.meta.JavaConstant deoptReasonAndAction, jdk.vm.ci.meta.JavaConstant deoptSpeculation)

Method Summary

Modifier and Type	Method	Description
boolean	canDeoptimize()	Determines if this node needs deoptimization information.
static NullCheckNode	create(ValueNode object, jdk.vm.ci.meta.JavaConstant deoptReasonAndAction, jdk.vm.ci.meta.JavaConstant deoptSpeculation)
void	generate(NodeLIRBuilderTool generator)
static void	nullCheck(Object object)

Methods inherited from class jdk.graal.compiler.nodes.ImplicitNullCheckNode

getDeoptReasonAndAction, getDeoptSpeculation, setImplicitDeoptimization

Methods inherited from class jdk.graal.compiler.nodes.DeoptimizingFixedWithNextNode

setStateBefore, stateBefore

Methods inherited from class jdk.graal.compiler.nodes.FixedWithNextNode

asFixedWithNextNode, next, setNext

Methods inherited from class jdk.graal.compiler.nodes.FixedNode

asFixedNode, verifyNode

Methods inherited from class jdk.graal.compiler.nodes.ValueNode

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

Methods inherited from class jdk.graal.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, getId, getIdBeforeDeletion, getInsertionPosition, getNodeClass, getNodeSourcePosition, getOptions, getUsageCount, hasExactlyOneUsage, hasExactlyOneUsageOfType, hashCode, hasMoreThanOneUsage, hasNoUsages, hasUsages, inputPositions, inputs, isAlive, isDeleted, isUnregistered, markDeleted, maybeNotifyZeroUsages, modCount, predecessor, pushInputs, removeDeadUsages, removeUsage, removeUsages, replaceAllInputs, replaceAndDelete, replaceAtAllUsages, replaceAtMatchingUsages, replaceAtPredecessor, replaceAtUsages, replaceAtUsages, replaceAtUsages, replaceAtUsages, replaceAtUsages, replaceAtUsagesAndDelete, replaceFirstInput, replaceFirstSuccessor, safeDelete, setCreationPosition, setInsertionPosition, setNodeSourcePosition, singleUsage, successorPositions, successors, toString, toString, updateNodeSourcePosition, updatePredecessor, updateUsages, usages, valueEquals, verify, verify, verifyEdges, verifyInputs, withNodeSourcePosition

Methods inherited from class java.lang.Object

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

Methods inherited from interface jdk.graal.compiler.nodes.DeoptimizingNode

validateDeoptFrameStates

Methods inherited from interface jdk.graal.compiler.nodes.DeoptimizingNode.DeoptBefore

canUseAsStateDuring

Methods inherited from interface jdk.graal.compiler.nodes.FixedNodeInterface

asFixedNode

Methods inherited from interface jdk.graal.compiler.nodes.spi.NodeWithState

states

Methods inherited from interface jdk.graal.compiler.nodes.ValueNodeInterface

asNode

Field Details

TYPE

public static final NodeClass<NullCheckNode> TYPE

Constructor Details

NullCheckNode

public NullCheckNode(ValueNode object)

NullCheckNode

public NullCheckNode(ValueNode object,
 jdk.vm.ci.meta.JavaConstant deoptReasonAndAction,
 jdk.vm.ci.meta.JavaConstant deoptSpeculation)

Method Details

create

public static NullCheckNode create(ValueNode object,
 jdk.vm.ci.meta.JavaConstant deoptReasonAndAction,
 jdk.vm.ci.meta.JavaConstant deoptSpeculation)

generate

public void generate(NodeLIRBuilderTool generator)

Specified by:

generate in interface LIRLowerable

canDeoptimize

public boolean canDeoptimize()

Description copied from interface: DeoptimizingNode

Determines if this node needs deoptimization information.

Specified by:

canDeoptimize in interface DeoptimizingNode

nullCheck

public static void nullCheck(Object object)