--- /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/memory/FloatingAccessNode.java	2017-02-15 17:07:46.177589180 -0800
@@ -0,0 +1,77 @@
+/*
+ * Copyright (c) 2011, 2016, 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.memory;
+
+import org.graalvm.compiler.core.common.LocationIdentity;
+import org.graalvm.compiler.core.common.type.Stamp;
+import org.graalvm.compiler.graph.NodeClass;
+import org.graalvm.compiler.nodeinfo.InputType;
+import org.graalvm.compiler.nodeinfo.NodeInfo;
+import org.graalvm.compiler.nodes.FloatingGuardedNode;
+import org.graalvm.compiler.nodes.extended.GuardingNode;
+import org.graalvm.compiler.nodes.memory.address.AddressNode;
+
+@NodeInfo
+public abstract class FloatingAccessNode extends FloatingGuardedNode implements Access, MemoryAccess {
+    public static final NodeClass<FloatingAccessNode> TYPE = NodeClass.create(FloatingAccessNode.class);
+
+    @Input(InputType.Association) AddressNode address;
+    protected final LocationIdentity location;
+
+    protected BarrierType barrierType;
+
+    protected FloatingAccessNode(NodeClass<? extends FloatingAccessNode> c, AddressNode address, LocationIdentity location, Stamp stamp) {
+        super(c, stamp);
+        this.address = address;
+        this.location = location;
+    }
+
+    protected FloatingAccessNode(NodeClass<? extends FloatingAccessNode> c, AddressNode address, LocationIdentity location, Stamp stamp, GuardingNode guard, BarrierType barrierType) {
+        super(c, stamp, guard);
+        this.address = address;
+        this.location = location;
+        this.barrierType = barrierType;
+    }
+
+    @Override
+    public AddressNode getAddress() {
+        return address;
+    }
+
+    @Override
+    public LocationIdentity getLocationIdentity() {
+        return location;
+    }
+
+    @Override
+    public BarrierType getBarrierType() {
+        return barrierType;
+    }
+
+    @Override
+    public boolean canNullCheck() {
+        return true;
+    }
+
+    public abstract FixedAccessNode asFixedNode();
+}