1 /*
   2  * Copyright (c) 2015, Oracle and/or its affiliates. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.
   8  *
   9  * This code is distributed in the hope that it will be useful, but WITHOUT
  10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  12  * version 2 for more details (a copy is included in the LICENSE file that
  13  * accompanied this code).
  14  *
  15  * You should have received a copy of the GNU General Public License version
  16  * 2 along with this work; if not, write to the Free Software Foundation,
  17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  18  *
  19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  20  * or visit www.oracle.com if you need additional information or have any
  21  * questions.
  22  */
  23 
  24 package jdk.test.lib.jittester.factories;
  25 
  26 import jdk.test.lib.jittester.IRNode;
  27 import jdk.test.lib.jittester.LocalVariable;
  28 import jdk.test.lib.jittester.OperatorKind;
  29 import jdk.test.lib.jittester.ProductionFailedException;
  30 import jdk.test.lib.jittester.UnaryOperator;
  31 import jdk.test.lib.jittester.loops.CounterManipulator;
  32 
  33 class CounterManipulatorFactory extends Factory {
  34     private final LocalVariable counter;
  35 
  36     CounterManipulatorFactory(LocalVariable counter) {
  37         this.counter = counter;
  38     }
  39 
  40     @Override
  41     public IRNode produce() throws ProductionFailedException {
  42         // We'll keep it simple for the time being..
  43         IRNode manipulator = new UnaryOperator(OperatorKind.POST_DEC, counter);
  44         return new CounterManipulator(manipulator);
  45     }
  46 }