org.graalvm.compiler.nodes.memory

Class FloatingAccessNode

java.lang.Object

org.graalvm.compiler.graph.Node

org.graalvm.compiler.nodes.ValueNode

org.graalvm.compiler.nodes.calc.FloatingNode

org.graalvm.compiler.nodes.FloatingGuardedNode

org.graalvm.compiler.nodes.memory.FloatingAccessNode

All Implemented Interfaces:

Cloneable, Formattable, Node.ValueNumberable, GuardedNode, AddressableMemoryAccess, GuardedMemoryAccess, MemoryAccess, OnHeapMemoryAccess, ValueNodeInterface

Direct Known Subclasses:

FloatingReadNode

public abstract class FloatingAccessNode
extends FloatingGuardedNode
implements AddressableMemoryAccess, GuardedMemoryAccess, OnHeapMemoryAccess

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

Nested classes/interfaces inherited from interface org.graalvm.compiler.nodes.memory.OnHeapMemoryAccess

OnHeapMemoryAccess.BarrierType

Field Summary

Fields

Modifier and Type	Field and Description
protected OnHeapMemoryAccess.BarrierType	barrierType
protected org.graalvm.word.LocationIdentity	location
static NodeClass<FloatingAccessNode>	TYPE

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

guard

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	FloatingAccessNode(NodeClass<? extends FloatingAccessNode> c, AddressNode address, org.graalvm.word.LocationIdentity location, Stamp stamp)
protected	FloatingAccessNode(NodeClass<? extends FloatingAccessNode> c, AddressNode address, org.graalvm.word.LocationIdentity location, Stamp stamp, GuardingNode guard, OnHeapMemoryAccess.BarrierType barrierType)

Method Summary

Modifier and Type	Method and Description
abstract FixedAccessNode	asFixedNode()
boolean	canNullCheck() Determines if the memory touch operation represented by this node can use OS level semantics for representing the null check of the memory location with an operating system level trap.
AddressNode	getAddress()
OnHeapMemoryAccess.BarrierType	getBarrierType() Gets the write barrier type for that particular access.
org.graalvm.word.LocationIdentity	getLocationIdentity()
void	setAddress(AddressNode address)

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

getGuard, setGuard

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, hasExactlyOneUsageOfType, 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, verify, 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.extended.GuardedNode

getGuard, setGuard

Methods inherited from interface org.graalvm.compiler.nodes.memory.MemoryAccess

getLastLocationAccess, setLastLocationAccess

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

asNode

Field Detail

TYPE

public static final NodeClass<FloatingAccessNode> TYPE

location

protected final org.graalvm.word.LocationIdentity location

barrierType

protected OnHeapMemoryAccess.BarrierType barrierType

Constructor Detail

FloatingAccessNode

protected FloatingAccessNode(NodeClass<? extends FloatingAccessNode> c,
                             AddressNode address,
                             org.graalvm.word.LocationIdentity location,
                             Stamp stamp)

FloatingAccessNode

protected FloatingAccessNode(NodeClass<? extends FloatingAccessNode> c,
                             AddressNode address,
                             org.graalvm.word.LocationIdentity location,
                             Stamp stamp,
                             GuardingNode guard,
                             OnHeapMemoryAccess.BarrierType barrierType)

Method Detail

getAddress

public AddressNode getAddress()

Specified by:

getAddress in interface AddressableMemoryAccess

setAddress

public void setAddress(AddressNode address)

Specified by:

setAddress in interface AddressableMemoryAccess

getLocationIdentity

public org.graalvm.word.LocationIdentity getLocationIdentity()

Specified by:

getLocationIdentity in interface MemoryAccess

getBarrierType

public OnHeapMemoryAccess.BarrierType getBarrierType()

Description copied from interface: OnHeapMemoryAccess

Gets the write barrier type for that particular access.

Specified by:

getBarrierType in interface OnHeapMemoryAccess

canNullCheck

public boolean canNullCheck()

Description copied from interface: AddressableMemoryAccess

Determines if the memory touch operation represented by this node can use OS level semantics for representing the null check of the memory location with an operating system level trap.

Specified by:

canNullCheck in interface AddressableMemoryAccess

asFixedNode

public abstract FixedAccessNode asFixedNode()