62         super(c, StampFactory.objectNonNull(TypeReference.createExactTrusted(type)), fillContents, stateBefore);
  63         assert !type.isArray() && !type.isInterface() && !type.isPrimitive() && !type.isAbstract();
  64         this.instanceClass = type;
  65     }
  66 
  67     /**
  68      * Gets the instance class being allocated by this node.
  69      *
  70      * @return the instance class allocated
  71      */
  72     public ResolvedJavaType instanceClass() {
  73         return instanceClass;
  74     }
  75 
  76     @Override
  77     public void virtualize(VirtualizerTool tool) {
  78         /*
  79          * Reference objects can escape into their ReferenceQueue at any safepoint, therefore
  80          * they're excluded from escape analysis.
  81          */
  82         if (!tool.getMetaAccessProvider().lookupJavaType(Reference.class).isAssignableFrom(instanceClass)) {
  83             VirtualInstanceNode virtualObject = createVirtualInstanceNode(true);
  84             ResolvedJavaField[] fields = virtualObject.getFields();
  85             ValueNode[] state = new ValueNode[fields.length];
  86             for (int i = 0; i < state.length; i++) {
  87                 state[i] = defaultFieldValue(fields[i]);
  88             }
  89             tool.createVirtualObject(virtualObject, state, Collections.<MonitorIdNode> emptyList(), false);
  90             tool.replaceWithVirtual(virtualObject);
  91         }
  92     }
  93 
  94     protected VirtualInstanceNode createVirtualInstanceNode(boolean hasIdentity) {
  95         return new VirtualInstanceNode(instanceClass(), hasIdentity);
  96     }
  97 
  98     /* Factored out in a separate method so that subclasses can override it. */
  99     protected ConstantNode defaultFieldValue(ResolvedJavaField field) {
 100         return ConstantNode.defaultForKind(field.getType().getJavaKind(), graph());
 101     }
 102 }

  62         super(c, StampFactory.objectNonNull(TypeReference.createExactTrusted(type)), fillContents, stateBefore);
  63         assert !type.isArray() && !type.isInterface() && !type.isPrimitive() && !type.isAbstract();
  64         this.instanceClass = type;
  65     }
  66 
  67     /**
  68      * Gets the instance class being allocated by this node.
  69      *
  70      * @return the instance class allocated
  71      */
  72     public ResolvedJavaType instanceClass() {
  73         return instanceClass;
  74     }
  75 
  76     @Override
  77     public void virtualize(VirtualizerTool tool) {
  78         /*
  79          * Reference objects can escape into their ReferenceQueue at any safepoint, therefore
  80          * they're excluded from escape analysis.
  81          */
  82         if (!tool.getMetaAccess().lookupJavaType(Reference.class).isAssignableFrom(instanceClass)) {
  83             VirtualInstanceNode virtualObject = createVirtualInstanceNode(true);
  84             ResolvedJavaField[] fields = virtualObject.getFields();
  85             ValueNode[] state = new ValueNode[fields.length];
  86             for (int i = 0; i < state.length; i++) {
  87                 state[i] = defaultFieldValue(fields[i]);
  88             }
  89             tool.createVirtualObject(virtualObject, state, Collections.<MonitorIdNode> emptyList(), false);
  90             tool.replaceWithVirtual(virtualObject);
  91         }
  92     }
  93 
  94     protected VirtualInstanceNode createVirtualInstanceNode(boolean hasIdentity) {
  95         return new VirtualInstanceNode(instanceClass(), hasIdentity);
  96     }
  97 
  98     /* Factored out in a separate method so that subclasses can override it. */
  99     protected ConstantNode defaultFieldValue(ResolvedJavaField field) {
 100         return ConstantNode.defaultForKind(field.getType().getJavaKind(), graph());
 101     }
 102 }