public final class KlassLayoutHelperNode extends FloatingNode implements Canonicalizable, Lowerable
Klass::_layout_helper and incorporate any useful stamp information based on any type
information in klass.Node.ConstantNodeParameter, Node.EdgeVisitor, Node.IndirectCanonicalization, Node.InjectedNodeParameter, Node.Input, Node.NodeInsertionStackTrace, Node.NodeIntrinsic, Node.NodeIntrinsicFactory, Node.OptionalInput, Node.Successor, Node.ValueNumberableCanonicalizable.Binary<T extends Node>, Canonicalizable.BinaryCommutative<T extends Node>, Canonicalizable.Ternary<T extends Node>, Canonicalizable.Unary<T extends Node>| Modifier and Type | Field and Description |
|---|---|
protected GraalHotSpotVMConfig |
config |
protected ValueNode |
klass |
static NodeClass<KlassLayoutHelperNode> |
TYPE |
EMPTY_ARRAY, stampNODE_LIST, NOT_ITERABLE, TRACK_CREATION_POSITION, WithAllEdges, WithNoEdges, WithOnlyInputEdges, WithOnlySucessorEdges| Constructor and Description |
|---|
KlassLayoutHelperNode(GraalHotSpotVMConfig config,
ValueNode klass) |
| Modifier and Type | Method and Description |
|---|---|
Node |
canonical(CanonicalizerTool tool)
Implementations of this method can provide local optimizations like constant folding and
strength reduction.
|
static ValueNode |
create(GraalHotSpotVMConfig config,
ValueNode klass,
ConstantReflectionProvider constantReflection,
MetaAccessProvider metaAccess) |
ValueNode |
getHub() |
boolean |
inferStamp()
This method can be overridden by subclasses of
ValueNode if they need to recompute
their stamp if their inputs change. |
static boolean |
intrinsify(GraphBuilderContext b,
GraalHotSpotVMConfig config,
ValueNode klass) |
asConstant, asJavaConstant, asNode, asSerializableConstant, checkReplaceAtUsagesInvariants, getStackKind, graph, hasUsagesOtherThan, isAllowedUsageType, isConstant, isConstantPredicate, isDefaultConstant, isIllegalConstant, isJavaConstant, isNullConstant, isSerializableConstant, recursivelyDataFlowEqualsUpTo, setStamp, stamp, updateStamp, updateUsagesInterfaceafterClone, 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, withNodeSourcePositionclone, equals, getClass, notify, notifyAll, wait, wait, waitasNodepublic static final NodeClass<KlassLayoutHelperNode> TYPE
protected ValueNode klass
protected final GraalHotSpotVMConfig config
public KlassLayoutHelperNode(GraalHotSpotVMConfig config, ValueNode klass)
public static ValueNode create(GraalHotSpotVMConfig config, ValueNode klass, ConstantReflectionProvider constantReflection, MetaAccessProvider metaAccess)
public static boolean intrinsify(GraphBuilderContext b, GraalHotSpotVMConfig config, ValueNode klass)
public boolean inferStamp()
ValueNodeValueNode if they need to recompute
their stamp if their inputs change. A typical implementation will compute the stamp and pass
it to ValueNode.updateStamp(Stamp), whose return value can be used as the result of this
method.inferStamp in class ValueNodepublic Node canonical(CanonicalizerTool tool)
Canonicalizablenull will delete the current node and replace it with null at
all usages. Note that it is not necessary to delete floating nodes that have no more usages
this way - they will be deleted automatically.canonical in interface Canonicalizabletool - provides access to runtime interfaces like MetaAccessProviderpublic ValueNode getHub()