com.oracle.graal.nodes.memory

Class FixedAccessNode

java.lang.Object

com.oracle.graal.graph.Node

com.oracle.graal.nodes.ValueNode

com.oracle.graal.nodes.FixedNode

com.oracle.graal.nodes.FixedWithNextNode

com.oracle.graal.nodes.DeoptimizingFixedWithNextNode

com.oracle.graal.nodes.memory.FixedAccessNode

All Implemented Interfaces:

NodeInterface, DeoptimizingNode, DeoptimizingNode.DeoptBefore, GuardedNode, Access, HeapAccess, NodeWithState, Cloneable, Formattable, KindProvider

Direct Known Subclasses:

AbstractWriteNode, FloatableAccessNode, JavaReadNode, LoweredAtomicReadAndWriteNode, LoweredCompareAndSwapNode

public abstract class FixedAccessNode
extends DeoptimizingFixedWithNextNode
implements Access

Accesses a value at an memory address specified by an address. The access does not include a null check on the object.

Nested Class Summary

Nested classes/interfaces inherited from class com.oracle.graal.graph.Node

Node.ConstantNodeParameter, Node.InjectedNodeParameter, Node.Input, Node.NodeIntrinsic, Node.OptionalInput, Node.Successor, Node.ValueNumberable

Nested classes/interfaces inherited from interface com.oracle.graal.nodes.memory.HeapAccess

HeapAccess.BarrierType

Nested classes/interfaces inherited from interface com.oracle.graal.nodes.DeoptimizingNode

DeoptimizingNode.DeoptAfter, DeoptimizingNode.DeoptBefore, DeoptimizingNode.DeoptDuring

Field Summary

Fields

Modifier and Type	Field and Description
(package private) AddressNode	address
protected HeapAccess.BarrierType	barrierType
protected GuardingNode	guard
protected LocationIdentity	location
protected boolean	nullCheck
static NodeClass<FixedAccessNode>	TYPE

Fields inherited from class com.oracle.graal.nodes.DeoptimizingFixedWithNextNode

stateBefore

Fields inherited from class com.oracle.graal.nodes.FixedWithNextNode

next

Fields inherited from class com.oracle.graal.nodes.ValueNode

stamp

Fields inherited from class com.oracle.graal.graph.Node

NODE_LIST, NOT_ITERABLE, USE_UNSAFE_TO_CLONE, WithAllEdges, WithNoEdges, WithOnlyInputEdges, WithOnlySucessorEdges

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	FixedAccessNode(NodeClass<? extends FixedAccessNode> c, AddressNode address, LocationIdentity location, Stamp stamp)
protected	FixedAccessNode(NodeClass<? extends FixedAccessNode> c, AddressNode address, LocationIdentity location, Stamp stamp, GuardingNode guard, HeapAccess.BarrierType barrierType, boolean nullCheck, FrameState stateBefore)
protected	FixedAccessNode(NodeClass<? extends FixedAccessNode> c, AddressNode address, LocationIdentity location, Stamp stamp, HeapAccess.BarrierType barrierType)

Method Summary

Modifier and Type	Method and Description
boolean	canDeoptimize() Determines if this node needs deoptimization information.
AddressNode	getAddress()
HeapAccess.BarrierType	getBarrierType() Gets the write barrier type for that particular access.
GuardingNode	getGuard()
LocationIdentity	getLocationIdentity()
boolean	getNullCheck()
void	setAddress(AddressNode address)
void	setGuard(GuardingNode guard)
void	setNullCheck(boolean check)

Methods inherited from class com.oracle.graal.nodes.DeoptimizingFixedWithNextNode

setStateBefore, stateBefore

Methods inherited from class com.oracle.graal.nodes.FixedWithNextNode

asNode, next, setNext

Methods inherited from class com.oracle.graal.nodes.FixedNode

verify

Methods inherited from class com.oracle.graal.nodes.ValueNode

asConstant, asJavaConstant, getKind, graph, inferStamp, isAllowedUsageType, isConstant, isConstantPredicate, isNullConstant, setStamp, stamp, updateStamp

Methods inherited from class com.oracle.graal.graph.Node

acceptInputs, acceptSuccessors, afterClone, assertFalse, assertTrue, cfgPredecessors, cfgSuccessors, clearInputs, clearSuccessors, copyWithInputs, copyWithInputs, equals, fail, formatTo, getDebugProperties, getDebugProperties, getId, getNodeClass, getUsageAt, getUsageCount, hashCode, hasNoUsages, hasUsages, inputs, isAlive, isDeleted, markDeleted, modCount, newIdentityMap, newIdentityMap, newIdentityMap, newMap, newMap, newMap, newSet, newSet, predecessor, pushInputs, removeUsage, replaceAndDelete, replaceAtMatchingUsages, replaceAtPredecessor, replaceAtUsages, replaceAtUsages, replaceAtUsages, replaceFirstInput, replaceFirstSuccessor, safeDelete, simplify, successors, toString, toString, updatePredecessor, updateUsages, updateUsagesInterface, usages, valueEquals, verifyEdges, verifyInputs

Methods inherited from class java.lang.Object

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

Methods inherited from interface com.oracle.graal.nodes.memory.Access

canNullCheck

Methods inherited from interface com.oracle.graal.nodes.extended.GuardedNode

asNode

Methods inherited from interface com.oracle.graal.nodes.spi.NodeWithState

states

Field Detail

TYPE

public static final NodeClass<FixedAccessNode> TYPE

guard

protected GuardingNode guard

address

AddressNode address

location

protected final LocationIdentity location

nullCheck

protected boolean nullCheck

barrierType

protected HeapAccess.BarrierType barrierType

Constructor Detail

FixedAccessNode

protected FixedAccessNode(NodeClass<? extends FixedAccessNode> c,
                          AddressNode address,
                          LocationIdentity location,
                          Stamp stamp)

FixedAccessNode

protected FixedAccessNode(NodeClass<? extends FixedAccessNode> c,
                          AddressNode address,
                          LocationIdentity location,
                          Stamp stamp,
                          HeapAccess.BarrierType barrierType)

FixedAccessNode

protected FixedAccessNode(NodeClass<? extends FixedAccessNode> c,
                          AddressNode address,
                          LocationIdentity location,
                          Stamp stamp,
                          GuardingNode guard,
                          HeapAccess.BarrierType barrierType,
                          boolean nullCheck,
                          FrameState stateBefore)

Method Detail

getAddress

public AddressNode getAddress()

Specified by:

getAddress in interface Access

setAddress

public void setAddress(AddressNode address)

getLocationIdentity

public LocationIdentity getLocationIdentity()

Specified by:

getLocationIdentity in interface Access

getNullCheck

public boolean getNullCheck()

setNullCheck

public void setNullCheck(boolean check)

canDeoptimize

public boolean canDeoptimize()

Description copied from interface: DeoptimizingNode

Determines if this node needs deoptimization information.

Specified by:

canDeoptimize in interface DeoptimizingNode

getGuard

public GuardingNode getGuard()

Specified by:

getGuard in interface GuardedNode

setGuard

public void setGuard(GuardingNode guard)

Specified by:

setGuard in interface GuardedNode

getBarrierType

public HeapAccess.BarrierType getBarrierType()

Description copied from interface: HeapAccess

Gets the write barrier type for that particular access.

Specified by:

getBarrierType in interface HeapAccess