1 /* 2 * Copyright (c) 2015, 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 package org.graalvm.compiler.microbenchmarks.graal.util; 24 25 import static org.graalvm.compiler.core.common.CompilationIdentifier.INVALID_COMPILATION_ID; 26 27 import java.lang.reflect.Method; 28 import java.util.List; 29 30 import jdk.vm.ci.meta.MetaAccessProvider; 31 import jdk.vm.ci.meta.ResolvedJavaMethod; 32 33 import org.graalvm.compiler.graph.Node; 34 import org.graalvm.compiler.java.GraphBuilderPhase; 35 import org.graalvm.compiler.nodes.StructuredGraph; 36 import org.graalvm.compiler.nodes.graphbuilderconf.GraphBuilderConfiguration; 37 import org.graalvm.compiler.nodes.graphbuilderconf.InvocationPlugins; 38 import org.graalvm.compiler.nodes.graphbuilderconf.GraphBuilderConfiguration.Plugins; 39 import org.graalvm.compiler.phases.OptimisticOptimizations; 40 import org.graalvm.compiler.phases.PhaseSuite; 41 import org.graalvm.compiler.phases.tiers.HighTierContext; 42 43 public class GraalUtil { 44 45 public static Method getMethod(Class<?> declaringClass, String name, Class<?>... parameterTypes) { 46 try { 47 if (parameterTypes == null) { 48 Method found = null; 49 for (Method m : declaringClass.getDeclaredMethods()) { 50 if (m.getName().equals(name)) { 51 if (found != null) { 52 throw new RuntimeException("more than one method named " + name + " in " + declaringClass); 53 } 54 found = m; 55 } 56 } 57 if (found == null) { 58 throw new NoSuchMethodException(declaringClass.getName() + "." + name); 59 } 60 return found; 61 } else { 62 return declaringClass.getDeclaredMethod(name, parameterTypes); 63 } 64 } catch (Exception e) { 65 throw new RuntimeException(e); 66 } 67 } 68 69 /** 70 * Gets the first {@link MethodSpec} annotation encountered in the class hierarchy terminated by 71 * {@code startClass}. 72 */ 73 public static MethodSpec getMethodSpec(Class<?> startClass) { 74 Class<?> c = startClass; 75 while (c != null) { 76 MethodSpec methodSpec = c.getAnnotation(MethodSpec.class); 77 if (methodSpec != null) { 78 return methodSpec; 79 } 80 c = c.getSuperclass(); 81 } 82 throw new RuntimeException("Could not find class annotated with " + MethodSpec.class.getSimpleName() + " in hierarchy of " + startClass); 83 } 84 85 /** 86 * Gets the method specified by the first {@link MethodSpec} annotation encountered in the class 87 * hierarchy terminated by {@code startClass}. 88 */ 89 public static Method getMethodFromMethodSpec(Class<?> startClass) { 90 MethodSpec methodSpec = getMethodSpec(startClass); 91 Class<?> declaringClass = methodSpec.declaringClass(); 92 if (declaringClass == MethodSpec.class) { 93 declaringClass = startClass; 94 } 95 String name = methodSpec.name(); 96 Class<?>[] parameters = methodSpec.parameters(); 97 if (parameters.length == 1 && parameters[0] == void.class) { 98 parameters = null; 99 } 100 return getMethod(declaringClass, name, parameters); 101 } 102 103 /** 104 * Gets the graph for the method specified by the first {@link MethodSpec} annotation 105 * encountered in the class hierarchy terminated by {@code startClass}. 106 */ 107 public static StructuredGraph getGraphFromMethodSpec(Class<?> startClass) { 108 MethodSpec methodSpec = getMethodSpec(startClass); 109 Class<?> declaringClass = methodSpec.declaringClass(); 110 if (declaringClass == MethodSpec.class) { 111 declaringClass = startClass; 112 } 113 String name = methodSpec.name(); 114 Class<?>[] parameters = methodSpec.parameters(); 115 if (parameters.length == 1 && parameters[0] == void.class) { 116 parameters = null; 117 } 118 return getGraph(declaringClass, name, parameters); 119 } 120 121 public static StructuredGraph getGraph(Class<?> declaringClass, String name, Class<?>... parameterTypes) { 122 return getGraph(getMethod(declaringClass, name, parameterTypes)); 123 } 124 125 public static StructuredGraph getGraph(Method method) { 126 GraalState graal = new GraalState(); 127 ResolvedJavaMethod javaMethod = graal.metaAccess.lookupJavaMethod(method); 128 return getGraph(graal, javaMethod); 129 } 130 131 public static StructuredGraph getGraph(GraalState graal, ResolvedJavaMethod javaMethod) { 132 return getGraph(graal, javaMethod, StructuredGraph.USE_PROFILING_INFO); 133 } 134 135 public static StructuredGraph getGraph(GraalState graal, ResolvedJavaMethod javaMethod, boolean useProfilingInfo) { 136 StructuredGraph graph = new StructuredGraph(javaMethod, StructuredGraph.AllowAssumptions.YES, useProfilingInfo, INVALID_COMPILATION_ID); 137 PhaseSuite<HighTierContext> graphBuilderSuite = new PhaseSuite<>(); 138 MetaAccessProvider metaAccess = graal.providers.getMetaAccess(); 139 graphBuilderSuite.appendPhase(new GraphBuilderPhase(GraphBuilderConfiguration.getDefault(new Plugins(new InvocationPlugins(metaAccess))))); 140 graphBuilderSuite.apply(graph, new HighTierContext(graal.providers, graphBuilderSuite, OptimisticOptimizations.ALL)); 141 return graph; 142 } 143 144 public static Node[] getNodes(StructuredGraph graph) { 145 List<Node> nodeList = graph.getNodes().snapshot(); 146 return nodeList.toArray(new Node[nodeList.size()]); 147 } 148 }