--- /dev/null	2017-01-22 10:16:57.869617664 -0800
+++ new/src/jdk.internal.vm.compiler/share/classes/org.graalvm.compiler.lir/src/org/graalvm/compiler/lir/profiling/MoveProfiler.java	2017-02-15 17:05:57.169828589 -0800
@@ -0,0 +1,100 @@
+/*
+ * Copyright (c) 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.lir.profiling;
+
+import java.util.List;
+
+import org.graalvm.compiler.core.common.cfg.AbstractBlockBase;
+import org.graalvm.compiler.core.common.cfg.BlockMap;
+import org.graalvm.compiler.lir.LIR;
+import org.graalvm.compiler.lir.LIRInstruction;
+import org.graalvm.compiler.lir.StandardOp.BlockEndOp;
+import org.graalvm.compiler.lir.StandardOp.LabelOp;
+import org.graalvm.compiler.lir.StandardOp.MoveOp;
+
+public final class MoveProfiler {
+
+    public static BlockMap<MoveStatistics> profile(LIR lir) {
+        MoveProfiler profiler = new MoveProfiler(lir);
+        profiler.run();
+        return profiler.blockMap;
+    }
+
+    static class MoveStatistics {
+
+        private final int[] cnt;
+
+        MoveStatistics() {
+            cnt = new int[MoveType.values().length];
+
+        }
+
+        public void add(MoveType moveType) {
+            cnt[moveType.ordinal()]++;
+        }
+
+        public int get(MoveType moveType) {
+            return cnt[moveType.ordinal()];
+        }
+
+        public void add(MoveType moveType, int value) {
+            cnt[moveType.ordinal()] += value;
+        }
+    }
+
+    private final LIR lir;
+    private final BlockMap<MoveStatistics> blockMap;
+
+    private MoveProfiler(LIR lir) {
+        this.lir = lir;
+        blockMap = new BlockMap<>(lir.getControlFlowGraph());
+    }
+
+    private void run() {
+        for (AbstractBlockBase<?> block : lir.getControlFlowGraph().getBlocks()) {
+            doBlock(block);
+        }
+    }
+
+    private void doBlock(AbstractBlockBase<?> block) {
+        List<LIRInstruction> instructions = lir.getLIRforBlock(block);
+        assert instructions.size() >= 2 : "Malformed block: " + block + ", " + instructions;
+        assert instructions.get(instructions.size() - 1) instanceof BlockEndOp : "Not a BlockEndOp: " + instructions.get(instructions.size() - 1);
+        assert !(instructions.get(instructions.size() - 2) instanceof BlockEndOp) : "Is a BlockEndOp: " + instructions.get(instructions.size() - 2);
+        assert instructions.get(0) instanceof LabelOp : "Not a LabelOp: " + instructions.get(0);
+        assert !(instructions.get(1) instanceof LabelOp) : "Is a LabelOp: " + instructions.get(1);
+
+        MoveStatistics stats = null;
+        // analysis phase
+        for (LIRInstruction inst : instructions) {
+            if (inst instanceof MoveOp) {
+                if (stats == null) {
+                    stats = new MoveStatistics();
+                    blockMap.put(block, stats);
+                }
+                stats.add(MoveType.get((MoveOp) inst));
+            }
+        }
+    }
+
+}