1 /*
   2  * Copyright (c) 2015, 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 
  25 package org.graalvm.compiler.core.test;
  26 
  27 import org.junit.Test;
  28 
  29 import org.graalvm.compiler.api.directives.GraalDirectives;
  30 
  31 /**
  32  * Collection of tests for {@link org.graalvm.compiler.phases.common.ConditionalEliminationPhase}
  33  * including those that triggered bugs in this phase.
  34  */
  35 public class ConditionalEliminationTest9 extends ConditionalEliminationTestBase {
  36 
  37     private static final String REFERENCE_SNIPPET = "referenceSnippet";
  38 
  39     @SuppressWarnings("all")
  40     public static int referenceSnippet(int a) {
  41         if (a == 0) {
  42             GraalDirectives.deoptimize();
  43         }
  44         return 0;
  45     }
  46 
  47     @Test
  48     public void test1() {
  49         testConditionalElimination("test1Snippet", REFERENCE_SNIPPET);
  50     }
  51 
  52     @SuppressWarnings("all")
  53     public static int test1Snippet(int a) {
  54         if (a == 0) {
  55             if (a == 0) {
  56                 GraalDirectives.deoptimize();
  57             }
  58             if (a == 0) {
  59                 GraalDirectives.deoptimize();
  60             }
  61         }
  62         return 0;
  63     }
  64 }