org.graalvm.compiler.nodes.java

Class UnsafeCompareAndSwapNode

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.AbstractStateSplit

org.graalvm.compiler.nodes.memory.AbstractMemoryCheckpoint

org.graalvm.compiler.nodes.java.AbstractUnsafeCompareAndSwapNode

org.graalvm.compiler.nodes.java.UnsafeCompareAndSwapNode

All Implemented Interfaces:

Cloneable, Formattable, NodeInterface, FixedNodeInterface, MemoryKill, SingleMemoryKill, Lowerable, NodeWithState, Virtualizable, StateSplit, ValueNodeInterface

public final class UnsafeCompareAndSwapNode
extends AbstractUnsafeCompareAndSwapNode

Represents an atomic compare-and-swap operation. The result is a boolean that contains whether the value matched the expected value.

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<UnsafeCompareAndSwapNode>	TYPE

Fields inherited from class org.graalvm.compiler.nodes.java.AbstractUnsafeCompareAndSwapNode

locationIdentity, valueKind

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

stateAfter

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

next

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

stamp

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

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

Constructor Summary

Constructors

Constructor and Description
UnsafeCompareAndSwapNode(ValueNode object, ValueNode offset, ValueNode expected, ValueNode newValue, jdk.vm.ci.meta.JavaKind valueKind, org.graalvm.word.LocationIdentity locationIdentity)

Method Summary

Modifier and Type	Method and Description
protected void	finishVirtualize(VirtualizerTool tool, LogicNode equalsNode, ValueNode currentValue)

Methods inherited from class org.graalvm.compiler.nodes.java.AbstractUnsafeCompareAndSwapNode

expected, getKilledLocationIdentity, getValueKind, newValue, object, offset, virtualize

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

hasSideEffect, setStateAfter, stateAfter, verify

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

asNode, next, setNext

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

asConstant, asJavaConstant, asSerializableConstant, getStackKind, graph, hasUsagesOtherThan, inferStamp, isAllowedUsageType, isConstant, isConstantPredicate, isDefaultConstant, isIllegalConstant, isJavaConstant, isNullConstant, isSerializableConstant, replaceAtAllUsages, replaceAtUsages, setStamp, stamp, updateStamp

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

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

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.graalvm.compiler.nodes.spi.Lowerable

lower

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

asNode

Methods inherited from interface org.graalvm.compiler.nodes.spi.NodeWithState

states

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

asNode

Field Detail

TYPE

public static final NodeClass<UnsafeCompareAndSwapNode> TYPE

Constructor Detail

UnsafeCompareAndSwapNode

public UnsafeCompareAndSwapNode(ValueNode object,
                                ValueNode offset,
                                ValueNode expected,
                                ValueNode newValue,
                                jdk.vm.ci.meta.JavaKind valueKind,
                                org.graalvm.word.LocationIdentity locationIdentity)

Method Detail

finishVirtualize

protected void finishVirtualize(VirtualizerTool tool,
                                LogicNode equalsNode,
                                ValueNode currentValue)

Specified by:

finishVirtualize in class AbstractUnsafeCompareAndSwapNode