org.graalvm.compiler.nodes

Class LogicConstantNode

java.lang.Object

org.graalvm.compiler.graph.Node

org.graalvm.compiler.nodes.ValueNode

org.graalvm.compiler.nodes.calc.FloatingNode

org.graalvm.compiler.nodes.LogicNode

org.graalvm.compiler.nodes.LogicConstantNode

All Implemented Interfaces:

Cloneable, Formattable, Node.IndirectCanonicalization, Node.ValueNumberable, LIRLowerable, ValueNodeInterface

public final class LogicConstantNode
extends LogicNode
implements LIRLowerable

The LogicConstantNode represents a boolean constant.

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<LogicConstantNode>	TYPE
protected boolean	value

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
LogicConstantNode(boolean value)

Method Summary

Modifier and Type	Method and Description
static LogicConstantNode	contradiction() Gets a constant for false.
static LogicConstantNode	contradiction(Graph graph) Gets a constant for false.
static LogicConstantNode	forBoolean(boolean v) Returns a node for a boolean constant.
static LogicConstantNode	forBoolean(boolean v, Graph graph) Returns a node for a boolean constant.
void	generate(NodeLIRBuilderTool generator)
boolean	getValue()
static LogicConstantNode	tautology() Gets a constant for true.
static LogicConstantNode	tautology(Graph graph) Gets a constant for true.

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

and, and, implies, isContradiction, isTautology, or, or

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, 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

Field Detail

TYPE

public static final NodeClass<LogicConstantNode> TYPE

value

protected final boolean value

Constructor Detail

LogicConstantNode

public LogicConstantNode(boolean value)

Method Detail

forBoolean

public static LogicConstantNode forBoolean(boolean v,
                                           Graph graph)

Returns a node for a boolean constant.

Parameters:

v - the boolean value for which to create the instruction

graph -

Returns:

a node representing the boolean

forBoolean

public static LogicConstantNode forBoolean(boolean v)

Returns a node for a boolean constant.

Parameters:

v - the boolean value for which to create the instruction

Returns:

a node representing the boolean

tautology

public static LogicConstantNode tautology(Graph graph)

Gets a constant for true.

contradiction

public static LogicConstantNode contradiction(Graph graph)

Gets a constant for false.

tautology

public static LogicConstantNode tautology()

Gets a constant for true.

contradiction

public static LogicConstantNode contradiction()

Gets a constant for false.

getValue

public boolean getValue()

generate

public void generate(NodeLIRBuilderTool generator)

Specified by:

generate in interface LIRLowerable