--- /dev/null	2017-01-22 10:16:57.869617664 -0800
+++ new/src/jdk.internal.vm.compiler/share/classes/org.graalvm.compiler.nodes/src/org/graalvm/compiler/nodes/java/RegisterFinalizerNode.java	2017-02-15 17:07:43.280462341 -0800
@@ -0,0 +1,130 @@
+/*
+ * Copyright (c) 2011, 2015, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * 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).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ */
+package org.graalvm.compiler.nodes.java;
+
+import static org.graalvm.compiler.nodeinfo.InputType.State;
+import static org.graalvm.compiler.nodeinfo.NodeCycles.CYCLES_UNKNOWN;
+import static org.graalvm.compiler.nodeinfo.NodeSize.SIZE_20;
+import static org.graalvm.compiler.nodes.java.ForeignCallDescriptors.REGISTER_FINALIZER;
+
+import org.graalvm.compiler.core.common.spi.ForeignCallLinkage;
+import org.graalvm.compiler.core.common.type.ObjectStamp;
+import org.graalvm.compiler.core.common.type.StampFactory;
+import org.graalvm.compiler.graph.NodeClass;
+import org.graalvm.compiler.graph.spi.Canonicalizable;
+import org.graalvm.compiler.graph.spi.CanonicalizerTool;
+import org.graalvm.compiler.nodeinfo.NodeInfo;
+import org.graalvm.compiler.nodes.AbstractStateSplit;
+import org.graalvm.compiler.nodes.DeoptimizingNode;
+import org.graalvm.compiler.nodes.FrameState;
+import org.graalvm.compiler.nodes.ValueNode;
+import org.graalvm.compiler.nodes.spi.LIRLowerable;
+import org.graalvm.compiler.nodes.spi.NodeLIRBuilderTool;
+import org.graalvm.compiler.nodes.spi.Virtualizable;
+import org.graalvm.compiler.nodes.spi.VirtualizerTool;
+import org.graalvm.compiler.nodes.virtual.VirtualObjectNode;
+
+import jdk.vm.ci.meta.Assumptions;
+import jdk.vm.ci.meta.Assumptions.AssumptionResult;
+
+/**
+ * This node is used to perform the finalizer registration at the end of the java.lang.Object
+ * constructor.
+ */
+// @formatter:off
+@NodeInfo(cycles = CYCLES_UNKNOWN,
+          cyclesRationale = "We cannot estimate the time of a runtime call.",
+          size = SIZE_20,
+          sizeRationale = "Rough estimation for register handling & calling")
+// @formatter:on
+public final class RegisterFinalizerNode extends AbstractStateSplit implements Canonicalizable.Unary<ValueNode>, LIRLowerable, Virtualizable, DeoptimizingNode.DeoptAfter {
+
+    public static final NodeClass<RegisterFinalizerNode> TYPE = NodeClass.create(RegisterFinalizerNode.class);
+    @OptionalInput(State) FrameState deoptState;
+    @Input ValueNode value;
+
+    public RegisterFinalizerNode(ValueNode value) {
+        super(TYPE, StampFactory.forVoid());
+        this.value = value;
+    }
+
+    @Override
+    public ValueNode getValue() {
+        return value;
+    }
+
+    @Override
+    public void generate(NodeLIRBuilderTool gen) {
+        // Note that an unconditional call to the runtime routine is made without
+        // checking that the object actually has a finalizer. This requires the
+        // runtime routine to do the check.
+        ForeignCallLinkage linkage = gen.getLIRGeneratorTool().getForeignCalls().lookupForeignCall(REGISTER_FINALIZER);
+        gen.getLIRGeneratorTool().emitForeignCall(linkage, gen.state(this), gen.operand(getValue()));
+    }
+
+    /**
+     * Determines if the compiler should emit code to test whether a given object has a finalizer
+     * that must be registered with the runtime upon object initialization.
+     */
+    public static boolean mayHaveFinalizer(ValueNode object, Assumptions assumptions) {
+        ObjectStamp objectStamp = (ObjectStamp) object.stamp();
+        if (objectStamp.isExactType()) {
+            return objectStamp.type().hasFinalizer();
+        } else if (objectStamp.type() != null) {
+            AssumptionResult<Boolean> result = objectStamp.type().hasFinalizableSubclass();
+            if (result.canRecordTo(assumptions)) {
+                result.recordTo(assumptions);
+                return result.getResult();
+            }
+        }
+        return true;
+    }
+
+    @Override
+    public ValueNode canonical(CanonicalizerTool tool, ValueNode forValue) {
+        if (!(forValue.stamp() instanceof ObjectStamp)) {
+            return this;
+        }
+        if (!mayHaveFinalizer(forValue, graph().getAssumptions())) {
+            return null;
+        }
+
+        return this;
+    }
+
+    @Override
+    public void virtualize(VirtualizerTool tool) {
+        ValueNode alias = tool.getAlias(getValue());
+        if (alias instanceof VirtualObjectNode && !((VirtualObjectNode) alias).type().hasFinalizer()) {
+            tool.delete();
+        }
+    }
+
+    @Override
+    public boolean canDeoptimize() {
+        return true;
+    }
+
+    @NodeIntrinsic
+    public static native void register(Object thisObj);
+}