rev 52889 : 8214023: Update Graal

   1 /*
   2  * Copyright (c) 2015, 2018, 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 
  25 package org.graalvm.compiler.core.test;
  26 
  27 import org.junit.Test;
  28 
  29 /**
  30  * Collection of tests for {@link org.graalvm.compiler.phases.common.ConditionalEliminationPhase}
  31  * including those that triggered bugs in this phase.
  32  */
  33 public class ConditionalEliminationTest6 extends ConditionalEliminationTestBase {
  34 
  35     public static final A constA = new A();
  36     public static final B constB = new B();
  37 
  38     static class A {
  39     }
  40 
  41     static class B {
  42     }
  43 
  44     @SuppressWarnings("all")
  45     public static B reference1Snippet(Object a, B b) {
  46         if (a == constA) {
  47             return b;
  48         }
  49         return null;
  50     }
  51 
  52     @SuppressWarnings("all")
  53     public static B test1Snippet(Object a, B b) {
  54         if (a == constA) {
  55             if (a == null) {
  56                 return null;
  57             } else {
  58                 return b;
  59             }
  60         }
  61         return null;
  62     }
  63 
  64     @Test
  65     public void test1() {
  66         testConditionalElimination("test1Snippet", "reference1Snippet");
  67     }
  68 
  69     @SuppressWarnings("all")
  70     public static B test2Snippet(Object a, B b) {
  71         if (a == constA) {
  72             if (a == constB) {
  73                 return null;
  74             } else {
  75                 return b;
  76             }
  77         }
  78         return null;
  79     }
  80 
  81     @Test
  82     public void test2() {
  83         testConditionalElimination("test2Snippet", "reference1Snippet");
  84     }
  85 
  86     @SuppressWarnings("all")
  87     public static B test3Snippet(Object a, B b) {
  88         if (a == constA) {
  89             if (a == b) {
  90                 return null;
  91             } else {
  92                 return b;
  93             }
  94         }
  95         return null;
  96     }
  97 
  98     @Test
  99     public void test3() {
 100         testConditionalElimination("test3Snippet", "reference1Snippet");
 101     }
 102 }
--- EOF ---