package org.graalvm.compiler.nodes.java;
import static org.graalvm.compiler.nodeinfo.NodeCycles.CYCLES_8;
import static org.graalvm.compiler.nodeinfo.NodeSize.SIZE_8;
import org.graalvm.compiler.core.common.type.StampFactory;
import org.graalvm.compiler.core.common.type.TypeReference;
import org.graalvm.compiler.graph.NodeClass;
import org.graalvm.compiler.graph.NodeInputList;
import org.graalvm.compiler.graph.NodeList;
import org.graalvm.compiler.nodeinfo.NodeInfo;
import org.graalvm.compiler.nodes.DeoptimizingFixedWithNextNode;
import org.graalvm.compiler.nodes.ValueNode;
import org.graalvm.compiler.nodes.spi.ArrayLengthProvider;
import org.graalvm.compiler.nodes.spi.Lowerable;
import org.graalvm.compiler.nodes.spi.LoweringTool;
import jdk.vm.ci.meta.ResolvedJavaType;
@NodeInfo(cycles = CYCLES_8, size = SIZE_8)
public class NewMultiArrayNode extends DeoptimizingFixedWithNextNode implements Lowerable, ArrayLengthProvider {
public static final NodeClass<NewMultiArrayNode> TYPE = NodeClass.create(NewMultiArrayNode.class);
@Input protected NodeInputList<ValueNode> dimensions;
protected final ResolvedJavaType type;
public ValueNode dimension(int index) {
return dimensions.get(index);
}
public int dimensionCount() {
return dimensions.size();
}
public NodeList<ValueNode> dimensions() {
return dimensions;
}
public NewMultiArrayNode(ResolvedJavaType type, ValueNode[] dimensions) {
this(TYPE, type, dimensions);
}
protected NewMultiArrayNode(NodeClass<? extends NewMultiArrayNode> c, ResolvedJavaType type, ValueNode[] dimensions) {
super(c, StampFactory.objectNonNull(TypeReference.createExactTrusted(type)));
this.type = type;
this.dimensions = new NodeInputList<>(this, dimensions);
assert dimensions.length > 0 && type.isArray();
}
@Override
public void lower(LoweringTool tool) {
tool.getLowerer().lower(this, tool);
}
public ResolvedJavaType type() {
return type;
}
@Override
public boolean canDeoptimize() {
return true;
}
@Override
public ValueNode findLength(ArrayLengthProvider.FindLengthMode mode) {
return dimension(0);
}
}