--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/hotspot/src/jdk.internal.vm.compiler/share/classes/org.graalvm.compiler.lir/src/org/graalvm/compiler/lir/ValueConsumer.java	Thu Feb 16 15:46:09 2017 -0800
@@ -0,0 +1,51 @@
+/*
+ * Copyright (c) 2014, 2014, 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;
+
+import java.util.EnumSet;
+
+import org.graalvm.compiler.lir.LIRInstruction.OperandFlag;
+import org.graalvm.compiler.lir.LIRInstruction.OperandMode;
+
+import jdk.vm.ci.meta.Value;
+
+/**
+ * Non-modifying version of {@link ValueProcedure}.
+ */
+@FunctionalInterface
+public interface ValueConsumer extends InstructionValueConsumer {
+
+    /**
+     * Iterator method to be overwritten.
+     *
+     * @param value The value that is iterated.
+     * @param mode The operand mode for the value.
+     * @param flags A set of flags for the value.
+     */
+    void visitValue(Value value, OperandMode mode, EnumSet<OperandFlag> flags);
+
+    @Override
+    default void visitValue(LIRInstruction instruction, Value value, OperandMode mode, EnumSet<OperandFlag> flags) {
+        visitValue(value, mode, flags);
+    }
+}