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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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package org.graalvm.compiler.hotspot.nodes;

import static org.graalvm.compiler.nodeinfo.NodeCycles.CYCLES_0;
import static org.graalvm.compiler.nodeinfo.NodeSize.SIZE_0;

import org.graalvm.compiler.core.common.type.StampFactory;
import org.graalvm.compiler.graph.NodeClass;
import org.graalvm.compiler.nodeinfo.NodeInfo;
import org.graalvm.compiler.nodes.FixedWithNextNode;
import org.graalvm.compiler.nodes.ValueNode;
import org.graalvm.compiler.nodes.spi.LIRLowerable;
import org.graalvm.compiler.nodes.spi.NodeLIRBuilderTool;

Marks the control flow path where an object acquired a biased lock because the lock was already biased to the object on the current thread.
/** * Marks the control flow path where an object acquired a biased lock because the lock was already * biased to the object on the current thread. */
@NodeInfo(cycles = CYCLES_0, size = SIZE_0) public final class FastAcquireBiasedLockNode extends FixedWithNextNode implements LIRLowerable { public static final NodeClass<FastAcquireBiasedLockNode> TYPE = NodeClass.create(FastAcquireBiasedLockNode.class); @Input ValueNode object; public FastAcquireBiasedLockNode(ValueNode object) { super(TYPE, StampFactory.forVoid()); this.object = object; } public ValueNode object() { return object; } @Override public void generate(NodeLIRBuilderTool generator) { // This is just a marker node so it generates nothing } @NodeIntrinsic public static native void mark(Object object); }