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.core.test;
  24 
  25 import org.junit.Test;
  26 
  27 import org.graalvm.compiler.debug.Debug;
  28 import org.graalvm.compiler.nodes.StructuredGraph;
  29 import org.graalvm.compiler.nodes.StructuredGraph.AllowAssumptions;
  30 import org.graalvm.compiler.phases.common.CanonicalizerPhase;
  31 import org.graalvm.compiler.phases.tiers.PhaseContext;

  32 
  33 /**
  34  * In the following tests, the scalar type system of the compiler should be complete enough to see
  35  * the relation between the different conditions.
  36  */
  37 public class ScalarTypeSystemTest extends GraalCompilerTest {
  38 
  39     public static int referenceSnippet1(int a) {
  40         if (a > 0) {
  41             return 1;
  42         } else {
  43             return 2;
  44         }
  45     }
  46 
  47     @Test(expected = AssertionError.class)
  48     public void test1() {
  49         test("test1Snippet", "referenceSnippet1");
  50     }
  51 

 114     @Test(expected = AssertionError.class)
 115     public void test6() {
 116         test("test6Snippet", "referenceSnippet3");
 117     }
 118 
 119     public static int test6Snippet(int a, int b) {
 120         if (a == b) {
 121             if (a == b + 1) {
 122                 return 3;
 123             } else {
 124                 return 1;
 125             }
 126         } else {
 127             return 2;
 128         }
 129     }
 130 
 131     private void test(final String snippet, final String referenceSnippet) {
 132         // No debug scope to reduce console noise for @Test(expected = ...) tests
 133         StructuredGraph graph = parseEager(snippet, AllowAssumptions.NO);
 134         Debug.dump(Debug.BASIC_LEVEL, graph, "Graph");
 135         PhaseContext context = new PhaseContext(getProviders());
 136         new CanonicalizerPhase().apply(graph, context);
 137         StructuredGraph referenceGraph = parseEager(referenceSnippet, AllowAssumptions.NO);
 138         assertEquals(referenceGraph, graph);
 139     }
 140 }

   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.core.test;
  24 
  25 import org.graalvm.compiler.debug.DebugContext;


  26 import org.graalvm.compiler.nodes.StructuredGraph;
  27 import org.graalvm.compiler.nodes.StructuredGraph.AllowAssumptions;
  28 import org.graalvm.compiler.phases.common.CanonicalizerPhase;
  29 import org.graalvm.compiler.phases.tiers.PhaseContext;
  30 import org.junit.Test;
  31 
  32 /**
  33  * In the following tests, the scalar type system of the compiler should be complete enough to see
  34  * the relation between the different conditions.
  35  */
  36 public class ScalarTypeSystemTest extends GraalCompilerTest {
  37 
  38     public static int referenceSnippet1(int a) {
  39         if (a > 0) {
  40             return 1;
  41         } else {
  42             return 2;
  43         }
  44     }
  45 
  46     @Test(expected = AssertionError.class)
  47     public void test1() {
  48         test("test1Snippet", "referenceSnippet1");
  49     }
  50 

 113     @Test(expected = AssertionError.class)
 114     public void test6() {
 115         test("test6Snippet", "referenceSnippet3");
 116     }
 117 
 118     public static int test6Snippet(int a, int b) {
 119         if (a == b) {
 120             if (a == b + 1) {
 121                 return 3;
 122             } else {
 123                 return 1;
 124             }
 125         } else {
 126             return 2;
 127         }
 128     }
 129 
 130     private void test(final String snippet, final String referenceSnippet) {
 131         // No debug scope to reduce console noise for @Test(expected = ...) tests
 132         StructuredGraph graph = parseEager(snippet, AllowAssumptions.NO);
 133         graph.getDebug().dump(DebugContext.BASIC_LEVEL, graph, "Graph");
 134         PhaseContext context = new PhaseContext(getProviders());
 135         new CanonicalizerPhase().apply(graph, context);
 136         StructuredGraph referenceGraph = parseEager(referenceSnippet, AllowAssumptions.NO);
 137         assertEquals(referenceGraph, graph);
 138     }
 139 }