1 /* 2 * Copyright (c) 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 */ 23 24 25 package org.graalvm.compiler.hotspot.test; 26 27 import static org.junit.Assert.assertNotEquals; 28 29 import org.graalvm.compiler.api.directives.GraalDirectives; 30 import org.graalvm.compiler.graph.Node; 31 import org.graalvm.compiler.hotspot.nodes.KlassBeingInitializedCheckNode; 32 import org.graalvm.compiler.nodes.DeoptimizeNode; 33 import org.graalvm.compiler.nodes.StructuredGraph; 34 import org.graalvm.compiler.nodes.java.LoadFieldNode; 35 import org.graalvm.compiler.nodes.java.NewInstanceNode; 36 import org.junit.Assert; 37 import org.junit.Assume; 38 import org.junit.Before; 39 import org.junit.Test; 40 41 import jdk.vm.ci.code.InstalledCode; 42 import jdk.vm.ci.code.InvalidInstalledCodeException; 43 import jdk.vm.ci.meta.DeoptimizationReason; 44 import jdk.vm.ci.meta.ResolvedJavaMethod; 45 46 public class HotSpotClassInitializationTest extends HotSpotGraalCompilerTest { 47 48 static HotSpotClassInitializationTest instance; 49 50 static class InvokeStatic { 51 static { 52 instance.test(InvokeStatic.class, "m"); 53 } 54 55 static boolean m() { 56 double value = 123; 57 doOtherWork(value); 58 return GraalDirectives.inCompiledCode(); 59 } 60 61 static double doOtherWork(double value) { 62 return value; 63 } 64 65 static int field; 66 } 67 68 static class GetStatic { 69 static class Inner { 70 static int N = 5000; 71 72 static { 73 instance.test(GetStatic.class, "m", LoadFieldNode.class); 74 } 75 } 76 77 static { 78 @SuppressWarnings("unused") 79 int n = Inner.N; 80 } 81 82 @SuppressWarnings("unused") 83 static boolean m() { 84 double value = 123 * Inner.N; 85 return GraalDirectives.inCompiledCode(); 86 } 87 88 static double field; 89 } 90 91 static class NewInstance { 92 static { 93 instance.test(NewInstance.class, "m", NewInstanceNode.class); 94 } 95 96 @SuppressWarnings("unused") 97 static boolean m() { 98 Object o = new NewInstance(); 99 return GraalDirectives.inCompiledCode(); 100 } 101 102 static double field; 103 } 104 105 @Before 106 public void checkAssumptions() { 107 // cannot be BeforeClass because we need a runtime and BeforeClass must be static 108 Assume.assumeTrue("init_thread field must be visible", runtime().getVMConfig().instanceKlassInitThreadOffset != -1); 109 } 110 111 @SafeVarargs 112 final void test(Class<?> testClass, String methodName, Class<? extends Node>... nodeTypes) { 113 ResolvedJavaMethod method = getResolvedJavaMethod(testClass, methodName); 114 StructuredGraph graph = parseProfiled(method, StructuredGraph.AllowAssumptions.NO); 115 for (DeoptimizeNode d : graph.getNodes().filter(DeoptimizeNode.class)) { 116 assertNotEquals("No unresolved deopts expected", d.getReason(), DeoptimizationReason.Unresolved); 117 } 118 assertTrue("A dynamic check should have been emitted", graph.getNodes().filter(KlassBeingInitializedCheckNode.class).count() == 1); 119 120 // Ensure that all expected nodes exist. 121 for (Class<? extends Node> nodeType : nodeTypes) { 122 assertTrue("expected node of type " + nodeType, graph.getNodes().filter(nodeType).count() == 1); 123 } 124 125 // Ensure that execution remains in the compiled code to the return point 126 InstalledCode code = instance.getCode(method, graph); 127 try { 128 boolean result = (boolean) code.executeVarargs(); 129 Assert.assertEquals("should have completed in compiled code", result, true); 130 } catch (InvalidInstalledCodeException e) { 131 e.printStackTrace(); 132 } 133 } 134 135 @Test 136 public void testInvokeStatic() { 137 GraalDirectives.inCompiledCode(); 138 instance = this; 139 InvokeStatic.field = 0; 140 instance = null; 141 } 142 143 @Test 144 public void testGetStatic() { 145 GraalDirectives.inCompiledCode(); 146 instance = this; 147 GetStatic.field = 0; 148 instance = null; 149 } 150 151 @Test 152 public void testNewInstance() { 153 GraalDirectives.inCompiledCode(); 154 instance = this; 155 NewInstance.field = 0; 156 instance = null; 157 } 158 159 }