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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * 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
 * accompanied this code).
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 * 2 along with this work; if not, write to the Free Software Foundation,
 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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package org.graalvm.compiler.nodes;

import org.graalvm.compiler.core.common.type.Stamp;
import org.graalvm.compiler.graph.NodeClass;
import org.graalvm.compiler.nodeinfo.InputType;
import org.graalvm.compiler.nodeinfo.NodeInfo;

Provides an implementation of StateSplit.
/** * Provides an implementation of {@link StateSplit}. */
@NodeInfo public abstract class AbstractStateSplit extends FixedWithNextNode implements StateSplit { public static final NodeClass<AbstractStateSplit> TYPE = NodeClass.create(AbstractStateSplit.class); @OptionalInput(InputType.State) protected FrameState stateAfter; @Override public FrameState stateAfter() { return stateAfter; } @Override public void setStateAfter(FrameState x) { assert x == null || x.isAlive() : "frame state must be in a graph"; updateUsages(stateAfter, x); stateAfter = x; } @Override public boolean hasSideEffect() { return true; } protected AbstractStateSplit(NodeClass<? extends AbstractStateSplit> c, Stamp stamp) { this(c, stamp, null); } protected AbstractStateSplit(NodeClass<? extends AbstractStateSplit> c, Stamp stamp, FrameState stateAfter) { super(c, stamp); this.stateAfter = stateAfter; } }