diff -r 0152ad7b38b8 -r 6df94ce3ab2f src/jdk.internal.vm.compiler/share/classes/org.graalvm.compiler.nodes/src/org/graalvm/compiler/nodes/util/IntegerHelper.java
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/jdk.internal.vm.compiler/share/classes/org.graalvm.compiler.nodes/src/org/graalvm/compiler/nodes/util/IntegerHelper.java	Tue Sep 24 12:47:15 2019 -0400
@@ -0,0 +1,86 @@
+/*
+ * Copyright (c) 2018, 2019, 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.util;
+
+import org.graalvm.compiler.core.common.type.IntegerStamp;
+import org.graalvm.compiler.nodes.LogicNode;
+import org.graalvm.compiler.nodes.NodeView;
+import org.graalvm.compiler.nodes.ValueNode;
+
+public abstract class IntegerHelper {
+    protected final int bits;
+
+    protected IntegerHelper(int bits) {
+        this.bits = bits;
+    }
+
+    public abstract long upperBound(IntegerStamp stamp);
+
+    public abstract long lowerBound(IntegerStamp stamp);
+
+    public int compare(long a, long b) {
+        return rawCompare(cast(a), cast(b));
+    }
+
+    public boolean isGreater(long a, long b) {
+        return compare(a, b) > 0;
+    }
+
+    public boolean isSmaller(long a, long b) {
+        return compare(a, b) < 0;
+    }
+
+    public boolean isGreaterEqual(long a, long b) {
+        return compare(a, b) >= 0;
+    }
+
+    public boolean isSmallerEqual(long a, long b) {
+        return compare(a, b) <= 0;
+    }
+
+    public long min(long a, long b) {
+        return rawMin(cast(a), cast(b));
+    }
+
+    public long max(long a, long b) {
+        return rawMax(cast(a), cast(b));
+    }
+
+    public abstract long cast(long a);
+
+    public abstract long minValue();
+
+    public abstract long maxValue();
+
+    public abstract IntegerStamp stamp(long min, long max);
+
+    public abstract LogicNode createCompareNode(ValueNode x, ValueNode y, NodeView view);
+
+    protected abstract int rawCompare(long a, long b);
+
+    protected abstract long rawMin(long a, long b);
+
+    protected abstract long rawMax(long a, long b);
+}