src/jdk.internal.vm.compiler/share/classes/org.graalvm.compiler.nodes/src/org/graalvm/compiler/nodes/java/InstanceOfNode.java

*** 41,59 ****
--- 41,64 ----
  import org.graalvm.compiler.nodes.LogicNegationNode;
  import org.graalvm.compiler.nodes.LogicNode;
  import org.graalvm.compiler.nodes.NodeView;
  import org.graalvm.compiler.nodes.UnaryOpLogicNode;
  import org.graalvm.compiler.nodes.ValueNode;
+ import org.graalvm.compiler.nodes.calc.ConditionalNode;
  import org.graalvm.compiler.nodes.calc.IsNullNode;
  import org.graalvm.compiler.nodes.extended.AnchoringNode;
+ import org.graalvm.compiler.nodes.graphbuilderconf.GraphBuilderContext;
  import org.graalvm.compiler.nodes.spi.Lowerable;
  import org.graalvm.compiler.nodes.spi.LoweringTool;
  import org.graalvm.compiler.nodes.spi.Virtualizable;
  import org.graalvm.compiler.nodes.spi.VirtualizerTool;
  import org.graalvm.compiler.nodes.type.StampTool;
  
+ import jdk.vm.ci.meta.JavaKind;
  import jdk.vm.ci.meta.JavaTypeProfile;
+ import jdk.vm.ci.meta.ResolvedJavaMethod;
+ import jdk.vm.ci.meta.ResolvedJavaType;
  import jdk.vm.ci.meta.TriState;
  
  /**
   * The {@code InstanceOfNode} represents an instanceof test.
   */
*** 216,225 ****
--- 221,241 ----
  
      public ObjectStamp getCheckedStamp() {
          return checkedStamp;
      }
  
+     @NodeIntrinsic
+     public static native boolean doInstanceof(@ConstantNodeParameter ResolvedJavaType type, Object object);
+ 
+     @SuppressWarnings("unused")
+     static boolean intrinsify(GraphBuilderContext b, ResolvedJavaMethod method, ResolvedJavaType type, ValueNode object) {
+         InstanceOfNode node = new InstanceOfNode(StampFactory.objectNonNull(TypeReference.create(b.getAssumptions(), type)), object, null, null);
+         node = b.add(node);
+         b.addPush(JavaKind.Int, ConditionalNode.create(node, NodeView.DEFAULT));
+         return true;
+     }
+ 
      @Override
      public TriState implies(boolean thisNegated, LogicNode other) {
          if (other instanceof InstanceOfNode) {
              InstanceOfNode instanceOfNode = (InstanceOfNode) other;
              if (instanceOfNode.getValue() == getValue()) {