/*
* This file is part of the Jikes RVM project (http://jikesrvm.org).
*
* This file is licensed to You under the Common Public License (CPL);
* You may not use this file except in compliance with the License. You
* may obtain a copy of the License at
*
* http://www.opensource.org/licenses/cpl1.0.php
*
* See the COPYRIGHT.txt file distributed with this work for information
* regarding copyright ownership.
*/
package org.jikesrvm.compilers.opt.ir;
import java.util.Enumeration;
/**
* Extend java.util.Enumeration to avoid downcasts from object.
* Also provide a preallocated empty instruction enumeration.
*/
public interface OPT_InstructionEnumeration extends Enumeration<OPT_Instruction> {
/**
* Same as nextElement but avoid the need to downcast from Object
*/
OPT_Instruction next();
}