--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/hotspot/share/opto/rootnode.hpp	Tue Sep 12 19:03:39 2017 +0200
@@ -0,0 +1,73 @@
+/*
+ * Copyright (c) 1997, 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.
+ *
+ */
+
+#ifndef SHARE_VM_OPTO_ROOTNODE_HPP
+#define SHARE_VM_OPTO_ROOTNODE_HPP
+
+#include "opto/loopnode.hpp"
+
+//------------------------------RootNode---------------------------------------
+// The one-and-only before-all-else and after-all-else RootNode.  The RootNode
+// represents what happens if the user runs the whole program repeatedly.  The
+// RootNode produces the initial values of I/O and memory for the program or
+// procedure start.
+class RootNode : public LoopNode {
+public:
+  RootNode( ) : LoopNode(0,0) {
+    init_class_id(Class_Root);
+    del_req(2);
+    del_req(1);
+  }
+  virtual int   Opcode() const;
+  virtual const Node *is_block_proj() const { return this; }
+  virtual const Type *bottom_type() const { return Type::BOTTOM; }
+  virtual Node* Identity(PhaseGVN* phase) { return this; }
+  virtual Node *Ideal(PhaseGVN *phase, bool can_reshape);
+  virtual const Type* Value(PhaseGVN* phase) const { return Type::BOTTOM; }
+};
+
+//------------------------------HaltNode---------------------------------------
+// Throw an exception & die
+class HaltNode : public Node {
+public:
+  HaltNode( Node *ctrl, Node *frameptr );
+  virtual int Opcode() const;
+  virtual bool  pinned() const { return true; };
+  virtual Node *Ideal(PhaseGVN *phase, bool can_reshape);
+  virtual const Type* Value(PhaseGVN* phase) const;
+  virtual const Type *bottom_type() const;
+  virtual bool  is_CFG() const { return true; }
+  virtual uint hash() const { return NO_HASH; }  // CFG nodes do not hash
+  virtual bool depends_only_on_test() const { return false; }
+  virtual const Node *is_block_proj() const { return this; }
+  virtual const RegMask &out_RegMask() const;
+  virtual uint ideal_reg() const { return NotAMachineReg; }
+  virtual uint match_edge(uint idx) const { return 0; }
+
+#ifndef PRODUCT
+  virtual void related(GrowableArray<Node*> *in_rel, GrowableArray<Node*> *out_rel, bool compact) const;
+#endif
+};
+
+#endif // SHARE_VM_OPTO_ROOTNODE_HPP