org.graalvm.compiler.nodes

Class MergeNode

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.AbstractBeginNode

org.graalvm.compiler.nodes.BeginStateSplitNode

org.graalvm.compiler.nodes.AbstractMergeNode

org.graalvm.compiler.nodes.MergeNode

All Implemented Interfaces:

Cloneable, Formattable, IterableNodeType, SimplifiableMarker, AnchoringNode, GuardingNode, FixedNodeInterface, FixedWithNextNodeInterface, LIRLowerable, NodeWithState, Simplifiable, StateSplit, ValueNodeInterface

public final class MergeNode
extends AbstractMergeNode

Denotes the merging of multiple control-flow paths.

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<MergeNode>	TYPE

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

ends

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

stateAfter

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

next

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

Constructor and Description
MergeNode()

Method Summary

Modifier and Type	Method and Description
static void	removeMergeIfDegenerated(MergeNode node)
boolean	verify()

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

addForwardEnd, anchored, cfgPredecessors, clearEnds, deleteEnd, duplicateReturnThroughMerge, forwardEndAt, forwardEndCount, forwardEndIndex, forwardEnds, generate, isPhiAtMerge, memoryPhis, phiPredecessorAt, phiPredecessorCount, phiPredecessorIndex, phis, removeEnd, simplify, valuePhis, verifyState

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

hasSideEffect, setStateAfter, stateAfter

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

getBlockNodes, guards, hasAnchored, hasSpeculationFence, isUsedAsGuardInput, prepareDelete, prepareDelete, prevBegin, setHasSpeculationFence

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

asFixedWithNextNode, next, setNext

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

asFixedNode

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, cfgSuccessors, clearInputs, clearNodeSourcePosition, clearSuccessors, copyWithInputs, copyWithInputs, dataFlowEquals, dynamicNodeSizeEstimate, estimatedNodeCycles, estimatedNodeSize, fail, formatTo, getCreationPosition, getDebug, getDebugProperties, getDebugProperties, getInsertionPosition, getNodeClass, getNodeSourcePosition, getOptions, getUsageCount, hasExactlyOneUsage, 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, 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.spi.NodeWithState

states

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

asFixedNode

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

asNode

Field Detail

TYPE

public static final NodeClass<MergeNode> TYPE

Constructor Detail

MergeNode

public MergeNode()

Method Detail

removeMergeIfDegenerated

public static void removeMergeIfDegenerated(MergeNode node)

verify

public boolean verify()

Overrides:

verify in class AbstractMergeNode