--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/hotspot/src/jdk.internal.vm.compiler/share/classes/org.graalvm.compiler.replacements/src/org/graalvm/compiler/replacements/nodes/arithmetic/IntegerExactArithmeticSplitNode.java	Thu Feb 16 15:46:09 2017 -0800
@@ -0,0 +1,114 @@
+/*
+ * Copyright (c) 2013, 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.replacements.nodes.arithmetic;
+
+import static org.graalvm.compiler.nodeinfo.NodeCycles.CYCLES_2;
+import static org.graalvm.compiler.nodeinfo.NodeSize.SIZE_2;
+
+import org.graalvm.compiler.core.common.type.Stamp;
+import org.graalvm.compiler.graph.NodeClass;
+import org.graalvm.compiler.nodeinfo.NodeInfo;
+import org.graalvm.compiler.nodes.AbstractBeginNode;
+import org.graalvm.compiler.nodes.BeginNode;
+import org.graalvm.compiler.nodes.ControlSplitNode;
+import org.graalvm.compiler.nodes.DeoptimizeNode;
+import org.graalvm.compiler.nodes.FixedNode;
+import org.graalvm.compiler.nodes.FixedWithNextNode;
+import org.graalvm.compiler.nodes.StructuredGraph;
+import org.graalvm.compiler.nodes.ValueNode;
+import org.graalvm.compiler.nodes.calc.FloatingNode;
+import org.graalvm.compiler.nodes.spi.LIRLowerable;
+import org.graalvm.compiler.nodes.spi.LoweringTool;
+import org.graalvm.compiler.nodes.spi.NodeLIRBuilderTool;
+
+import jdk.vm.ci.meta.DeoptimizationAction;
+import jdk.vm.ci.meta.DeoptimizationReason;
+import jdk.vm.ci.meta.Value;
+
+@NodeInfo(cycles = CYCLES_2, cyclesRationale = "add+cmp", size = SIZE_2)
+public abstract class IntegerExactArithmeticSplitNode extends ControlSplitNode implements LIRLowerable {
+    public static final NodeClass<IntegerExactArithmeticSplitNode> TYPE = NodeClass.create(IntegerExactArithmeticSplitNode.class);
+
+    @Successor AbstractBeginNode next;
+    @Successor AbstractBeginNode overflowSuccessor;
+    @Input ValueNode x;
+    @Input ValueNode y;
+
+    protected IntegerExactArithmeticSplitNode(NodeClass<? extends IntegerExactArithmeticSplitNode> c, Stamp stamp, ValueNode x, ValueNode y, AbstractBeginNode next,
+                    AbstractBeginNode overflowSuccessor) {
+        super(c, stamp);
+        this.x = x;
+        this.y = y;
+        this.overflowSuccessor = overflowSuccessor;
+        this.next = next;
+    }
+
+    @Override
+    public AbstractBeginNode getPrimarySuccessor() {
+        return next;
+    }
+
+    @Override
+    public double probability(AbstractBeginNode successor) {
+        return successor == next ? 1 : 0;
+    }
+
+    public AbstractBeginNode getNext() {
+        return next;
+    }
+
+    public AbstractBeginNode getOverflowSuccessor() {
+        return overflowSuccessor;
+    }
+
+    public ValueNode getX() {
+        return x;
+    }
+
+    public ValueNode getY() {
+        return y;
+    }
+
+    @Override
+    public void generate(NodeLIRBuilderTool generator) {
+        generator.setResult(this, generateArithmetic(generator));
+        generator.emitOverflowCheckBranch(getOverflowSuccessor(), getNext(), stamp, probability(getOverflowSuccessor()));
+    }
+
+    protected abstract Value generateArithmetic(NodeLIRBuilderTool generator);
+
+    static void lower(LoweringTool tool, IntegerExactArithmeticNode node) {
+        if (node.asNode().graph().getGuardsStage() == StructuredGraph.GuardsStage.FIXED_DEOPTS) {
+            FloatingNode floatingNode = (FloatingNode) node;
+            FixedWithNextNode previous = tool.lastFixedNode();
+            FixedNode next = previous.next();
+            previous.setNext(null);
+            DeoptimizeNode deopt = floatingNode.graph().add(new DeoptimizeNode(DeoptimizationAction.InvalidateReprofile, DeoptimizationReason.ArithmeticException));
+            AbstractBeginNode normalBegin = floatingNode.graph().add(new BeginNode());
+            normalBegin.setNext(next);
+            IntegerExactArithmeticSplitNode split = node.createSplit(normalBegin, BeginNode.begin(deopt));
+            previous.setNext(split);
+            floatingNode.replaceAndDelete(split);
+        }
+    }
+}