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.Assert;
  26 import org.junit.Test;
  27 
  28 import org.graalvm.compiler.core.phases.HighTier;
  29 import org.graalvm.compiler.core.phases.MidTier;
  30 import org.graalvm.compiler.nodes.InvokeNode;
  31 import org.graalvm.compiler.nodes.StructuredGraph;
  32 import org.graalvm.compiler.nodes.extended.LoadHubNode;
  33 import org.graalvm.compiler.nodes.extended.LoadMethodNode;

  34 import org.graalvm.compiler.phases.OptimisticOptimizations;
  35 import org.graalvm.compiler.phases.tiers.MidTierContext;
  36 
  37 public class HashCodeTest extends GraalCompilerTest {
  38 
  39     static class OverrideHashCode {
  40         @Override
  41         public int hashCode() {
  42             return 42;
  43         }
  44     }
  45 
  46     static final class DontOverrideHashCode {
  47     }
  48 
  49     public static final Object NonOverridingConstant = new Object();
  50     public static final Object OverridingConstant = new OverrideHashCode();
  51 
  52     private static void initialize(Class<?> c) {
  53         try {

 134         return o.hashCode();
 135     }
 136 
 137     @Test
 138     public void test08() {
 139         initialize(Appendable.class);
 140         checkForGuardedIntrinsicPattern("hashCodeInterface");
 141         checkForGuardedIntrinsicPattern("hashCodeSnippet01");
 142     }
 143 
 144     private void checkForGuardedIntrinsicPattern(String name) {
 145         StructuredGraph g = parseForCompile(getResolvedJavaMethod(name));
 146         Assert.assertEquals(1, g.getNodes().filter(InvokeNode.class).count());
 147         Assert.assertEquals(1, g.getNodes().filter(LoadHubNode.class).count());
 148         Assert.assertEquals(1, g.getNodes().filter(LoadMethodNode.class).count());
 149     }
 150 
 151     @SuppressWarnings("try")
 152     private StructuredGraph buildGraphAfterMidTier(String name) {
 153         StructuredGraph g = parseForCompile(getResolvedJavaMethod(name));
 154         new HighTier().apply(g, getDefaultHighTierContext());
 155         new MidTier().apply(g, new MidTierContext(getProviders(), getTargetProvider(), OptimisticOptimizations.ALL, g.getProfilingInfo()));

 156         return g;
 157     }
 158 
 159 }

  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.Assert;
  26 import org.junit.Test;
  27 
  28 import org.graalvm.compiler.core.phases.HighTier;
  29 import org.graalvm.compiler.core.phases.MidTier;
  30 import org.graalvm.compiler.nodes.InvokeNode;
  31 import org.graalvm.compiler.nodes.StructuredGraph;
  32 import org.graalvm.compiler.nodes.extended.LoadHubNode;
  33 import org.graalvm.compiler.nodes.extended.LoadMethodNode;
  34 import org.graalvm.compiler.options.OptionValues;
  35 import org.graalvm.compiler.phases.OptimisticOptimizations;
  36 import org.graalvm.compiler.phases.tiers.MidTierContext;
  37 
  38 public class HashCodeTest extends GraalCompilerTest {
  39 
  40     static class OverrideHashCode {
  41         @Override
  42         public int hashCode() {
  43             return 42;
  44         }
  45     }
  46 
  47     static final class DontOverrideHashCode {
  48     }
  49 
  50     public static final Object NonOverridingConstant = new Object();
  51     public static final Object OverridingConstant = new OverrideHashCode();
  52 
  53     private static void initialize(Class<?> c) {
  54         try {

 135         return o.hashCode();
 136     }
 137 
 138     @Test
 139     public void test08() {
 140         initialize(Appendable.class);
 141         checkForGuardedIntrinsicPattern("hashCodeInterface");
 142         checkForGuardedIntrinsicPattern("hashCodeSnippet01");
 143     }
 144 
 145     private void checkForGuardedIntrinsicPattern(String name) {
 146         StructuredGraph g = parseForCompile(getResolvedJavaMethod(name));
 147         Assert.assertEquals(1, g.getNodes().filter(InvokeNode.class).count());
 148         Assert.assertEquals(1, g.getNodes().filter(LoadHubNode.class).count());
 149         Assert.assertEquals(1, g.getNodes().filter(LoadMethodNode.class).count());
 150     }
 151 
 152     @SuppressWarnings("try")
 153     private StructuredGraph buildGraphAfterMidTier(String name) {
 154         StructuredGraph g = parseForCompile(getResolvedJavaMethod(name));
 155         OptionValues options = getInitialOptions();
 156         new HighTier(options).apply(g, getDefaultHighTierContext());
 157         new MidTier(options).apply(g, new MidTierContext(getProviders(), getTargetProvider(), OptimisticOptimizations.ALL, g.getProfilingInfo()));
 158         return g;
 159     }
 160 
 161 }