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package org.graalvm.compiler.nodes;

import static org.graalvm.compiler.nodeinfo.NodeCycles.CYCLES_2;
import static org.graalvm.compiler.nodeinfo.NodeSize.SIZE_1;

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.spi.LIRLowerable;
import org.graalvm.compiler.nodes.spi.Lowerable;
import org.graalvm.compiler.nodes.spi.NodeLIRBuilderTool;

Marks a position in the graph where a safepoint should be emitted.
/** * Marks a position in the graph where a safepoint should be emitted. */
// @formatter:off @NodeInfo(cycles = CYCLES_2, cyclesRationale = "read", size = SIZE_1) // @formatter:on public final class SafepointNode extends DeoptimizingFixedWithNextNode implements Lowerable, LIRLowerable { public static final NodeClass<SafepointNode> TYPE = NodeClass.create(SafepointNode.class); public SafepointNode() { super(TYPE, StampFactory.forVoid()); } @Override public void generate(NodeLIRBuilderTool gen) { gen.visitSafepointNode(this); } @Override public boolean canDeoptimize() { return true; } }