com.oracle.graal.hotspot.nodes

Class G1PreWriteBarrier

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.hotspot.nodes.WriteBarrier

com.oracle.graal.hotspot.nodes.ObjectWriteBarrier

com.oracle.graal.hotspot.nodes.G1PreWriteBarrier

All Implemented Interfaces:

NodeInterface, DeoptimizingNode, DeoptimizingNode.DeoptBefore, Lowerable, NodeWithState, Cloneable, Formattable, KindProvider

public final class G1PreWriteBarrier
extends ObjectWriteBarrier
implements DeoptimizingNode.DeoptBefore

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.DeoptimizingNode

DeoptimizingNode.DeoptAfter, DeoptimizingNode.DeoptBefore, DeoptimizingNode.DeoptDuring

Field Summary

Fields

Modifier and Type	Field and Description
protected boolean	doLoad
protected boolean	nullCheck
(package private) FrameState	stateBefore
static NodeClass<G1PreWriteBarrier>	TYPE

Fields inherited from class com.oracle.graal.hotspot.nodes.ObjectWriteBarrier

address, precise, value

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

Constructor and Description
G1PreWriteBarrier(AddressNode address, ValueNode expectedObject, boolean doLoad, boolean nullCheck)

Method Summary

Modifier and Type	Method and Description
boolean	canDeoptimize() Determines if this node needs deoptimization information.
boolean	doLoad()
ValueNode	getExpectedObject()
boolean	getNullCheck()
void	setStateBefore(FrameState state) Sets the FrameState describing the program state before the execution of this node.
FrameState	stateBefore()

Methods inherited from class com.oracle.graal.hotspot.nodes.ObjectWriteBarrier

getAddress, getValue, usePrecise

Methods inherited from class com.oracle.graal.hotspot.nodes.WriteBarrier

lower

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.spi.NodeWithState

states

Methods inherited from interface com.oracle.graal.graph.NodeInterface

asNode

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

asNode

Field Detail

TYPE

public static final NodeClass<G1PreWriteBarrier> TYPE

stateBefore

FrameState stateBefore

nullCheck

protected final boolean nullCheck

doLoad

protected final boolean doLoad

Constructor Detail

G1PreWriteBarrier

public G1PreWriteBarrier(AddressNode address,
                         ValueNode expectedObject,
                         boolean doLoad,
                         boolean nullCheck)

Method Detail

getExpectedObject

public ValueNode getExpectedObject()

doLoad

public boolean doLoad()

getNullCheck

public boolean getNullCheck()

canDeoptimize

public boolean canDeoptimize()

Description copied from interface: DeoptimizingNode

Determines if this node needs deoptimization information.

Specified by:

canDeoptimize in interface DeoptimizingNode

stateBefore

public FrameState stateBefore()

Specified by:

stateBefore in interface DeoptimizingNode.DeoptBefore

setStateBefore

public void setStateBefore(FrameState state)

Description copied from interface: DeoptimizingNode.DeoptBefore

Sets the FrameState describing the program state before the execution of this node.

Specified by:

setStateBefore in interface DeoptimizingNode.DeoptBefore