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src/jdk.internal.vm.compiler/share/classes/org.graalvm.compiler.core.test/src/org/graalvm/compiler/core/test/ea/UnsafeCompareAndSwapVirtualizationTest.java

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rev 56282 : [mq]: graal
   1 /*
   2  * Copyright (c) 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  */


  29 
  30 import org.graalvm.compiler.nodes.java.LogicCompareAndSwapNode;
  31 import org.junit.Test;
  32 
  33 import jdk.vm.ci.meta.JavaConstant;
  34 
  35 public class UnsafeCompareAndSwapVirtualizationTest extends EATestBase {
  36 
  37     private static Object obj1 = new Object();
  38     private static Object obj2 = new Object();
  39     private static final Object OBJ1 = new Object();
  40 
  41     public static boolean bothVirtualNoMatch() {
  42         AtomicReference<Object> a = new AtomicReference<>();
  43         return a.compareAndSet(new Object(), new Object());
  44     }
  45 
  46     @Test
  47     public void bothVirtualNoMatchTest() {
  48         testEscapeAnalysis("bothVirtualNoMatch", JavaConstant.INT_0, true);
  49         assertTrue(graph.getNodes(LogicCompareAndSwapNode.TYPE).isEmpty());
  50     }
  51 
  52     public static boolean bothVirtualMatch() {
  53         Object expect = new Object();
  54         AtomicReference<Object> a = new AtomicReference<>(expect);
  55         return a.compareAndSet(expect, new Object());
  56     }
  57 
  58     @Test
  59     public void bothVirtualMatchTest() {
  60         testEscapeAnalysis("bothVirtualMatch", JavaConstant.INT_1, true);
  61         assertTrue(graph.getNodes(LogicCompareAndSwapNode.TYPE).isEmpty());
  62     }
  63 
  64     public static boolean expectedVirtualMatch() {
  65         Object o = new Object();
  66         AtomicReference<Object> a = new AtomicReference<>(o);
  67         return a.compareAndSet(o, obj1);
  68     }
  69 
  70     @Test
  71     public void expectedVirtualMatchTest() {
  72         testEscapeAnalysis("expectedVirtualMatch", JavaConstant.INT_1, true);
  73         assertTrue(graph.getNodes(LogicCompareAndSwapNode.TYPE).isEmpty());
  74     }
  75 
  76     public static boolean expectedVirtualNoMatch() {
  77         Object o = new Object();
  78         AtomicReference<Object> a = new AtomicReference<>();
  79         return a.compareAndSet(o, obj1);
  80     }
  81 
  82     @Test
  83     public void expectedVirtualNoMatchTest() {
  84         testEscapeAnalysis("expectedVirtualNoMatch", JavaConstant.INT_0, true);
  85         assertTrue(graph.getNodes(LogicCompareAndSwapNode.TYPE).isEmpty());
  86     }
  87 
  88     public static boolean bothNonVirtualNoMatch() {
  89         AtomicReference<Object> a = new AtomicReference<>();
  90         return a.compareAndSet(OBJ1, obj2);
  91     }
  92 
  93     @Test
  94     public void bothNonVirtualNoMatchTest() {
  95         testEscapeAnalysis("bothNonVirtualNoMatch", JavaConstant.INT_0, true);
  96         assertTrue(graph.getNodes(LogicCompareAndSwapNode.TYPE).isEmpty());
  97     }
  98 
  99     public static boolean bothNonVirtualMatch() {
 100         AtomicReference<Object> a = new AtomicReference<>(OBJ1);
 101         return a.compareAndSet(OBJ1, obj2);
 102     }
 103 
 104     @Test
 105     public void bothNonVirtualMatchTest() {
 106         testEscapeAnalysis("bothNonVirtualMatch", JavaConstant.INT_1, true);
 107         assertTrue(graph.getNodes(LogicCompareAndSwapNode.TYPE).isEmpty());
 108     }
 109 
 110     public static boolean onlyInitialValueVirtualNoMatch() {
 111         AtomicReference<Object> a = new AtomicReference<>(new Object());
 112         return a.compareAndSet(obj1, obj2);
 113     }
 114 
 115     @Test
 116     public void onlyInitialValueVirtualNoMatchTest() {
 117         testEscapeAnalysis("onlyInitialValueVirtualNoMatch", JavaConstant.INT_0, true);
 118         assertTrue(graph.getNodes(LogicCompareAndSwapNode.TYPE).isEmpty());
 119     }
 120 
 121     public static boolean onlyInitialValueVirtualMatch() {
 122         Object o = new Object();
 123         AtomicReference<Object> a = new AtomicReference<>(o);
 124         return a.compareAndSet(o, obj2);
 125     }
 126 
 127     @Test
 128     public void onlyInitialValueVirtualMatchTest() {
 129         testEscapeAnalysis("onlyInitialValueVirtualMatch", JavaConstant.INT_1, true);
 130         assertTrue(graph.getNodes(LogicCompareAndSwapNode.TYPE).isEmpty());
 131     }
 132 
 133     public static boolean bothVirtualNoMatchArray() {
 134         AtomicReferenceArray<Object> array = new AtomicReferenceArray<>(1);
 135         return array.compareAndSet(0, new Object(), new Object());
 136     }
 137 
 138     @Test
 139     public void bothVirtualNoMatchArrayTest() {
 140         testEscapeAnalysis("bothVirtualNoMatchArray", JavaConstant.INT_0, true);
 141         assertTrue(graph.getNodes(LogicCompareAndSwapNode.TYPE).isEmpty());
 142     }
 143 }
   1 /*
   2  * Copyright (c) 2018, 2019, 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  */


  29 
  30 import org.graalvm.compiler.nodes.java.LogicCompareAndSwapNode;
  31 import org.junit.Test;
  32 
  33 import jdk.vm.ci.meta.JavaConstant;
  34 
  35 public class UnsafeCompareAndSwapVirtualizationTest extends EATestBase {
  36 
  37     private static Object obj1 = new Object();
  38     private static Object obj2 = new Object();
  39     private static final Object OBJ1 = new Object();
  40 
  41     public static boolean bothVirtualNoMatch() {
  42         AtomicReference<Object> a = new AtomicReference<>();
  43         return a.compareAndSet(new Object(), new Object());
  44     }
  45 
  46     @Test
  47     public void bothVirtualNoMatchTest() {
  48         testEscapeAnalysis("bothVirtualNoMatch", JavaConstant.INT_0, true);
  49         assertTrue(graph.getNodes().filter(LogicCompareAndSwapNode.class).isEmpty());
  50     }
  51 
  52     public static boolean bothVirtualMatch() {
  53         Object expect = new Object();
  54         AtomicReference<Object> a = new AtomicReference<>(expect);
  55         return a.compareAndSet(expect, new Object());
  56     }
  57 
  58     @Test
  59     public void bothVirtualMatchTest() {
  60         testEscapeAnalysis("bothVirtualMatch", JavaConstant.INT_1, true);
  61         assertTrue(graph.getNodes().filter(LogicCompareAndSwapNode.class).isEmpty());
  62     }
  63 
  64     public static boolean expectedVirtualMatch() {
  65         Object o = new Object();
  66         AtomicReference<Object> a = new AtomicReference<>(o);
  67         return a.compareAndSet(o, obj1);
  68     }
  69 
  70     @Test
  71     public void expectedVirtualMatchTest() {
  72         testEscapeAnalysis("expectedVirtualMatch", JavaConstant.INT_1, true);
  73         assertTrue(graph.getNodes().filter(LogicCompareAndSwapNode.class).isEmpty());
  74     }
  75 
  76     public static boolean expectedVirtualNoMatch() {
  77         Object o = new Object();
  78         AtomicReference<Object> a = new AtomicReference<>();
  79         return a.compareAndSet(o, obj1);
  80     }
  81 
  82     @Test
  83     public void expectedVirtualNoMatchTest() {
  84         testEscapeAnalysis("expectedVirtualNoMatch", JavaConstant.INT_0, true);
  85         assertTrue(graph.getNodes().filter(LogicCompareAndSwapNode.class).isEmpty());
  86     }
  87 
  88     public static boolean bothNonVirtualNoMatch() {
  89         AtomicReference<Object> a = new AtomicReference<>();
  90         return a.compareAndSet(OBJ1, obj2);
  91     }
  92 
  93     @Test
  94     public void bothNonVirtualNoMatchTest() {
  95         testEscapeAnalysis("bothNonVirtualNoMatch", JavaConstant.INT_0, true);
  96         assertTrue(graph.getNodes().filter(LogicCompareAndSwapNode.class).isEmpty());
  97     }
  98 
  99     public static boolean bothNonVirtualMatch() {
 100         AtomicReference<Object> a = new AtomicReference<>(OBJ1);
 101         return a.compareAndSet(OBJ1, obj2);
 102     }
 103 
 104     @Test
 105     public void bothNonVirtualMatchTest() {
 106         testEscapeAnalysis("bothNonVirtualMatch", JavaConstant.INT_1, true);
 107         assertTrue(graph.getNodes().filter(LogicCompareAndSwapNode.class).isEmpty());
 108     }
 109 
 110     public static boolean onlyInitialValueVirtualNoMatch() {
 111         AtomicReference<Object> a = new AtomicReference<>(new Object());
 112         return a.compareAndSet(obj1, obj2);
 113     }
 114 
 115     @Test
 116     public void onlyInitialValueVirtualNoMatchTest() {
 117         testEscapeAnalysis("onlyInitialValueVirtualNoMatch", JavaConstant.INT_0, true);
 118         assertTrue(graph.getNodes().filter(LogicCompareAndSwapNode.class).isEmpty());
 119     }
 120 
 121     public static boolean onlyInitialValueVirtualMatch() {
 122         Object o = new Object();
 123         AtomicReference<Object> a = new AtomicReference<>(o);
 124         return a.compareAndSet(o, obj2);
 125     }
 126 
 127     @Test
 128     public void onlyInitialValueVirtualMatchTest() {
 129         testEscapeAnalysis("onlyInitialValueVirtualMatch", JavaConstant.INT_1, true);
 130         assertTrue(graph.getNodes().filter(LogicCompareAndSwapNode.class).isEmpty());
 131     }
 132 
 133     public static boolean bothVirtualNoMatchArray() {
 134         AtomicReferenceArray<Object> array = new AtomicReferenceArray<>(1);
 135         return array.compareAndSet(0, new Object(), new Object());
 136     }
 137 
 138     @Test
 139     public void bothVirtualNoMatchArrayTest() {
 140         testEscapeAnalysis("bothVirtualNoMatchArray", JavaConstant.INT_0, true);
 141         assertTrue(graph.getNodes().filter(LogicCompareAndSwapNode.class).isEmpty());
 142     }
 143 }
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