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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
 * version 2 for more details (a copy is included in the LICENSE file that
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package org.graalvm.compiler.nodes;

import static org.graalvm.compiler.nodeinfo.NodeCycles.CYCLES_UNKNOWN;
import static org.graalvm.compiler.nodeinfo.NodeSize.SIZE_6;

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.LoweringTool;
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_UNKNOWN, cyclesRationale = "We don't know how long a safepoint would take if it is executed", size = SIZE_6) // @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 lower(LoweringTool tool) { tool.getLowerer().lower(this, tool); } @Override public void generate(NodeLIRBuilderTool gen) { gen.visitSafepointNode(this); } @Override public boolean canDeoptimize() { return true; } }