--- /dev/null	2017-03-16 11:03:49.895616831 -0700
+++ new/src/jdk.internal.vm.compiler/share/classes/org.graalvm.compiler.replacements/src/org/graalvm/compiler/replacements/SnippetIntegerHistogram.java	2017-11-03 23:57:58.866687816 -0700
@@ -0,0 +1,153 @@
+/*
+ * Copyright (c) 2017, 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;
+
+/**
+ * A histogram that can (only) be {@linkplain #inc(long) incremented} from within a snippet for
+ * gathering snippet specific metrics.
+ */
+public final class SnippetIntegerHistogram {
+    private final SnippetCounter.Group group;
+    private final String name;
+
+    private final SnippetCounter counter0;
+    private final SnippetCounter counter1;
+    private final SnippetCounter counter2;
+    private final SnippetCounter counter3;
+    private final SnippetCounter counter4;
+    private final SnippetCounter counter5;
+    private final SnippetCounter counter6;
+    private final SnippetCounter counter7;
+    private final SnippetCounter counter8;
+    private final SnippetCounter counter9;
+    private final SnippetCounter counter10;
+
+    private final int counter0UpperBound;
+    private final int counter1UpperBound;
+    private final int counter2UpperBound;
+    private final int counter3UpperBound;
+    private final int counter4UpperBound;
+    private final int counter5UpperBound;
+    private final int counter6UpperBound;
+    private final int counter7UpperBound;
+    private final int counter8UpperBound;
+    private final int counter9UpperBound;
+
+    public SnippetIntegerHistogram(SnippetCounter.Group group, int log2StepLength, String name, String description) {
+        assert log2StepLength > 0;
+
+        this.group = group;
+        this.name = name;
+
+        int lowerBound = 0;
+        counter0UpperBound = 0;
+        counter0 = createCounter(group, name, description, lowerBound, counter0UpperBound);
+
+        lowerBound = counter0UpperBound + 1;
+        counter1UpperBound = Math.max(1, lowerBound - 1) << log2StepLength;
+        counter1 = createCounter(group, name, description, lowerBound, counter1UpperBound);
+
+        lowerBound = counter1UpperBound + 1;
+        counter2UpperBound = Math.max(1, lowerBound - 1) << log2StepLength;
+        counter2 = createCounter(group, name, description, lowerBound, counter2UpperBound);
+
+        lowerBound = counter2UpperBound + 1;
+        counter3UpperBound = Math.max(1, lowerBound - 1) << log2StepLength;
+        counter3 = createCounter(group, name, description, lowerBound, counter3UpperBound);
+
+        lowerBound = counter3UpperBound + 1;
+        counter4UpperBound = Math.max(1, lowerBound - 1) << log2StepLength;
+        counter4 = createCounter(group, name, description, lowerBound, counter4UpperBound);
+
+        lowerBound = counter4UpperBound + 1;
+        counter5UpperBound = Math.max(1, lowerBound - 1) << log2StepLength;
+        counter5 = createCounter(group, name, description, lowerBound, counter5UpperBound);
+
+        lowerBound = counter5UpperBound + 1;
+        counter6UpperBound = Math.max(1, lowerBound - 1) << log2StepLength;
+        counter6 = createCounter(group, name, description, lowerBound, counter6UpperBound);
+
+        lowerBound = counter6UpperBound + 1;
+        counter7UpperBound = Math.max(1, lowerBound - 1) << log2StepLength;
+        counter7 = createCounter(group, name, description, lowerBound, counter7UpperBound);
+
+        lowerBound = counter7UpperBound + 1;
+        counter8UpperBound = Math.max(1, lowerBound - 1) << log2StepLength;
+        counter8 = createCounter(group, name, description, lowerBound, counter8UpperBound);
+
+        lowerBound = counter8UpperBound + 1;
+        counter9UpperBound = Math.max(1, lowerBound - 1) << log2StepLength;
+        counter9 = createCounter(group, name, description, lowerBound, counter9UpperBound);
+
+        lowerBound = counter9UpperBound + 1;
+        counter10 = createCounter(group, name, description, lowerBound, Long.MAX_VALUE);
+    }
+
+    private static SnippetCounter createCounter(SnippetCounter.Group group, String name, String description, long lowerBound, long upperBound) {
+        if (group != null) {
+            SnippetCounter snippetCounter = new SnippetCounter(group, name + "[" + lowerBound + ", " + upperBound + "]", description);
+            return snippetCounter;
+        }
+        return null;
+    }
+
+    /**
+     * Increments the value of the matching histogram element. This method can only be used in a
+     * snippet on a compile-time constant {@link SnippetIntegerHistogram} object.
+     */
+    public void inc(long value) {
+        if (group != null) {
+            if (value <= counter0UpperBound) {
+                counter0.inc();
+            } else if (value <= counter1UpperBound) {
+                counter1.inc();
+            } else if (value <= counter2UpperBound) {
+                counter2.inc();
+            } else if (value <= counter3UpperBound) {
+                counter3.inc();
+            } else if (value <= counter4UpperBound) {
+                counter4.inc();
+            } else if (value <= counter5UpperBound) {
+                counter5.inc();
+            } else if (value <= counter6UpperBound) {
+                counter6.inc();
+            } else if (value <= counter7UpperBound) {
+                counter7.inc();
+            } else if (value <= counter8UpperBound) {
+                counter8.inc();
+            } else if (value <= counter9UpperBound) {
+                counter9.inc();
+            } else {
+                counter10.inc();
+            }
+        }
+    }
+
+    @Override
+    public String toString() {
+        if (group != null) {
+            return "SnippetHistogram-" + group.name + ":" + name;
+        }
+        return super.toString();
+    }
+}