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src/jdk.internal.vm.compiler/share/classes/org.graalvm.compiler.replacements.test/src/org/graalvm/compiler/replacements/test/StringCompareToTest.java

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   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.replacements.test;
  26 
  27 import jdk.vm.ci.aarch64.AArch64;
  28 import jdk.vm.ci.amd64.AMD64;
  29 import jdk.vm.ci.meta.ResolvedJavaMethod;

  30 import org.graalvm.compiler.graph.Node;
  31 import org.graalvm.compiler.nodes.StructuredGraph;
  32 import org.graalvm.compiler.options.OptionValues;
  33 import org.graalvm.compiler.replacements.nodes.ArrayCompareToNode;
  34 import org.graalvm.compiler.serviceprovider.GraalServices;

  35 import org.junit.Assert;
  36 import org.junit.Assume;
  37 import org.junit.Test;
  38 
  39 import java.util.List;
  40 
  41 import static org.graalvm.compiler.core.common.GraalOptions.RemoveNeverExecutedCode;
  42 
  43 /**
  44  * Tests compareTo method intrinsic.
  45  */
  46 public class StringCompareToTest extends StringSubstitutionTestBase {
  47 
  48     // The compareTo() implementation in java.lang.String has 4 calls to compareTo implementation.
  49     private static final int EXPECT_NODE_COUNT = 4;
  50     private static final String DISABLE_COMPACTSTRINGS_FLAG = "-XX:-CompactStrings";
  51 
  52     public StringCompareToTest() {
  53         initSubstitution(
  54                         getResolvedJavaMethod(String.class, "compareTo", String.class),
  55                         getResolvedJavaMethod("stringCompareTo"),
  56                         ArrayCompareToNode.class);
  57     }
  58 
  59     private int countNode(ResolvedJavaMethod method, Class<?> expectedNode, OptionValues options) {
  60         StructuredGraph graph = parseForCompile(method, options);
  61         applyFrontEnd(graph);


  72 
  73     @Override
  74     protected void initSubstitution(ResolvedJavaMethod theRealMethod,
  75                     ResolvedJavaMethod theTestMethod, Class<?> expectedNode) {
  76         Assume.assumeTrue((getTarget().arch instanceof AMD64) || (getTarget().arch instanceof AArch64));
  77 
  78         realMethod = theRealMethod;
  79         testMethod = theTestMethod;
  80 
  81         StructuredGraph graph = testGraph(testMethod.getName());
  82 
  83         // Check to see if the resulting graph contains the expected node
  84         StructuredGraph replacement = getReplacements().getSubstitution(realMethod, -1, false, null);
  85         if (replacement == null) {
  86             assertInGraph(graph, expectedNode);
  87         }
  88 
  89         OptionValues options;
  90         boolean needCheckNode = true;
  91 
  92         if (GraalServices.Java8OrEarlier) {
  93             needCheckNode = false;
  94         } else {
  95             List<String> vmArgs = GraalServices.getInputArguments();
  96             Assume.assumeTrue(vmArgs != null);
  97             for (String vmArg : vmArgs) {
  98                 if (vmArg.equals(DISABLE_COMPACTSTRINGS_FLAG)) {
  99                     needCheckNode = false;
 100                 }
 101             }
 102         }
 103 
 104         if (needCheckNode) {
 105             options = new OptionValues(getInitialOptions(), RemoveNeverExecutedCode, false);
 106             Assert.assertEquals(EXPECT_NODE_COUNT, countNode(testMethod, expectedNode, options));
 107         } else {
 108             options = getInitialOptions();
 109         }
 110 
 111         // Force compilation.
 112         testCode = getCode(testMethod, options);




   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.replacements.test;
  26 
  27 import static org.graalvm.compiler.core.common.GraalOptions.RemoveNeverExecutedCode;
  28 
  29 import java.util.List;
  30 
  31 import org.graalvm.compiler.graph.Node;
  32 import org.graalvm.compiler.nodes.StructuredGraph;
  33 import org.graalvm.compiler.options.OptionValues;
  34 import org.graalvm.compiler.replacements.nodes.ArrayCompareToNode;
  35 import org.graalvm.compiler.serviceprovider.GraalServices;
  36 import org.graalvm.compiler.serviceprovider.JavaVersionUtil;
  37 import org.junit.Assert;
  38 import org.junit.Assume;
  39 import org.junit.Test;
  40 
  41 import jdk.vm.ci.aarch64.AArch64;
  42 import jdk.vm.ci.amd64.AMD64;
  43 import jdk.vm.ci.meta.ResolvedJavaMethod;
  44 
  45 /**
  46  * Tests compareTo method intrinsic.
  47  */
  48 public class StringCompareToTest extends StringSubstitutionTestBase {
  49 
  50     // The compareTo() implementation in java.lang.String has 4 calls to compareTo implementation.
  51     private static final int EXPECT_NODE_COUNT = 4;
  52     private static final String DISABLE_COMPACTSTRINGS_FLAG = "-XX:-CompactStrings";
  53 
  54     public StringCompareToTest() {
  55         initSubstitution(
  56                         getResolvedJavaMethod(String.class, "compareTo", String.class),
  57                         getResolvedJavaMethod("stringCompareTo"),
  58                         ArrayCompareToNode.class);
  59     }
  60 
  61     private int countNode(ResolvedJavaMethod method, Class<?> expectedNode, OptionValues options) {
  62         StructuredGraph graph = parseForCompile(method, options);
  63         applyFrontEnd(graph);


  74 
  75     @Override
  76     protected void initSubstitution(ResolvedJavaMethod theRealMethod,
  77                     ResolvedJavaMethod theTestMethod, Class<?> expectedNode) {
  78         Assume.assumeTrue((getTarget().arch instanceof AMD64) || (getTarget().arch instanceof AArch64));
  79 
  80         realMethod = theRealMethod;
  81         testMethod = theTestMethod;
  82 
  83         StructuredGraph graph = testGraph(testMethod.getName());
  84 
  85         // Check to see if the resulting graph contains the expected node
  86         StructuredGraph replacement = getReplacements().getSubstitution(realMethod, -1, false, null);
  87         if (replacement == null) {
  88             assertInGraph(graph, expectedNode);
  89         }
  90 
  91         OptionValues options;
  92         boolean needCheckNode = true;
  93 
  94         if (JavaVersionUtil.Java8OrEarlier) {
  95             needCheckNode = false;
  96         } else {
  97             List<String> vmArgs = GraalServices.getInputArguments();
  98             Assume.assumeTrue(vmArgs != null);
  99             for (String vmArg : vmArgs) {
 100                 if (vmArg.equals(DISABLE_COMPACTSTRINGS_FLAG)) {
 101                     needCheckNode = false;
 102                 }
 103             }
 104         }
 105 
 106         if (needCheckNode) {
 107             options = new OptionValues(getInitialOptions(), RemoveNeverExecutedCode, false);
 108             Assert.assertEquals(EXPECT_NODE_COUNT, countNode(testMethod, expectedNode, options));
 109         } else {
 110             options = getInitialOptions();
 111         }
 112 
 113         // Force compilation.
 114         testCode = getCode(testMethod, options);


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