1 /*
   2  * Copyright (c) 2011, 2012, 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 package org.graalvm.compiler.jtt.loop;
  24 
  25 import org.junit.Test;
  26 
  27 import org.graalvm.compiler.jtt.JTTTest;
  28 
  29 /*
  30  */
  31 
  32 public class LoopPhi extends JTTTest {
  33 
  34     public static int test(int arg) {
  35         for (int i = 0; i < arg; i++) {
  36             testHelper(1, 1, 1, 1, 1, 1);
  37         }
  38         return testHelper(1, 1, 1, 1, 1, 1);
  39     }
  40 
  41     public static int testHelper(int j1, int j2, int j3, int j4, int j5, int j6) {
  42         int i1 = j1;
  43         int i2 = j2;
  44         int i3 = j3;
  45         int i4 = j4;
  46         int i5 = j5;
  47         int i6 = j6;
  48 
  49         if (i1 == 0) {
  50             i1 = 2;
  51         } else {
  52             i2 = 2;
  53         }
  54         for (int i = 0; i < 10; i++) {
  55             if (i == 0) {
  56                 i3 = 2;
  57             } else {
  58                 i4 = 2;
  59             }
  60 
  61             for (int j = 0; j < 10; j++) {
  62                 if (j == 0) {
  63                     i5 = 2;
  64                 } else {
  65                     i6 = 2;
  66                 }
  67             }
  68         }
  69 
  70         return i1 + i2 + i3 + i4 + i5 + i6;
  71     }
  72 
  73     @Test
  74     public void run0() throws Throwable {
  75         runTest("test", 50000);
  76     }
  77 
  78 }