18  *
  19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  20  * or visit www.oracle.com if you need additional information or have any
  21  * questions.
  22  */
  23 package org.graalvm.compiler.nodes.extended;
  24 
  25 import static org.graalvm.compiler.nodeinfo.NodeCycles.CYCLES_0;
  26 import static org.graalvm.compiler.nodeinfo.NodeSize.SIZE_0;
  27 
  28 import org.graalvm.compiler.core.common.type.Stamp;
  29 import org.graalvm.compiler.graph.NodeClass;
  30 import org.graalvm.compiler.nodeinfo.NodeInfo;
  31 import org.graalvm.compiler.nodes.FixedWithNextNode;
  32 import org.graalvm.compiler.nodes.ValueNode;
  33 import org.graalvm.compiler.nodes.spi.LIRLowerable;
  34 import org.graalvm.compiler.nodes.spi.NodeLIRBuilderTool;
  35 import org.graalvm.compiler.nodes.spi.ValueProxy;
  36 
  37 @NodeInfo(cycles = CYCLES_0, size = SIZE_0)
  38 public final class FixedValueAnchorNode extends FixedWithNextNode implements LIRLowerable, ValueProxy, GuardingNode {
  39     public static final NodeClass<FixedValueAnchorNode> TYPE = NodeClass.create(FixedValueAnchorNode.class);
  40 
  41     @Input ValueNode object;
  42     private Stamp predefinedStamp;
  43 
  44     public ValueNode object() {
  45         return object;
  46     }
  47 
  48     public FixedValueAnchorNode(ValueNode object) {
  49         super(TYPE, object.stamp());
  50         this.object = object;




  51     }
  52 
  53     public FixedValueAnchorNode(ValueNode object, Stamp predefinedStamp) {
  54         super(TYPE, predefinedStamp);
  55         this.object = object;
  56         this.predefinedStamp = predefinedStamp;
  57     }
  58 
  59     @Override
  60     public boolean inferStamp() {
  61         if (predefinedStamp == null) {
  62             return updateStamp(object.stamp());
  63         } else {
  64             return false;
  65         }
  66     }
  67 
  68     @NodeIntrinsic
  69     public static native Object getObject(Object object);
  70 

  18  *
  19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  20  * or visit www.oracle.com if you need additional information or have any
  21  * questions.
  22  */
  23 package org.graalvm.compiler.nodes.extended;
  24 
  25 import static org.graalvm.compiler.nodeinfo.NodeCycles.CYCLES_0;
  26 import static org.graalvm.compiler.nodeinfo.NodeSize.SIZE_0;
  27 
  28 import org.graalvm.compiler.core.common.type.Stamp;
  29 import org.graalvm.compiler.graph.NodeClass;
  30 import org.graalvm.compiler.nodeinfo.NodeInfo;
  31 import org.graalvm.compiler.nodes.FixedWithNextNode;
  32 import org.graalvm.compiler.nodes.ValueNode;
  33 import org.graalvm.compiler.nodes.spi.LIRLowerable;
  34 import org.graalvm.compiler.nodes.spi.NodeLIRBuilderTool;
  35 import org.graalvm.compiler.nodes.spi.ValueProxy;
  36 
  37 @NodeInfo(cycles = CYCLES_0, size = SIZE_0)
  38 public class FixedValueAnchorNode extends FixedWithNextNode implements LIRLowerable, ValueProxy, GuardingNode {
  39     public static final NodeClass<FixedValueAnchorNode> TYPE = NodeClass.create(FixedValueAnchorNode.class);
  40 
  41     @Input ValueNode object;
  42     private Stamp predefinedStamp;
  43 
  44     public ValueNode object() {
  45         return object;
  46     }
  47 
  48     protected FixedValueAnchorNode(NodeClass<? extends FixedValueAnchorNode> c, ValueNode object) {
  49         super(c, object.stamp());
  50         this.object = object;
  51     }
  52 
  53     public FixedValueAnchorNode(ValueNode object) {
  54         this(TYPE, object);
  55     }
  56 
  57     public FixedValueAnchorNode(ValueNode object, Stamp predefinedStamp) {
  58         super(TYPE, predefinedStamp);
  59         this.object = object;
  60         this.predefinedStamp = predefinedStamp;
  61     }
  62 
  63     @Override
  64     public boolean inferStamp() {
  65         if (predefinedStamp == null) {
  66             return updateStamp(object.stamp());
  67         } else {
  68             return false;
  69         }
  70     }
  71 
  72     @NodeIntrinsic
  73     public static native Object getObject(Object object);
  74