--- /dev/null 2017-01-22 10:16:57.869617664 -0800 +++ new/src/jdk.internal.vm.compiler/share/classes/org.graalvm.compiler.microbenchmarks/src/org/graalvm/compiler/microbenchmarks/graal/util/GraalUtil.java 2017-02-15 17:06:17.178695938 -0800 @@ -0,0 +1,148 @@ +/* + * Copyright (c) 2015, Oracle and/or its affiliates. All rights reserved. + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. + * + * This code is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License version 2 only, as + * published by the Free Software Foundation. + * + * This code is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + * version 2 for more details (a copy is included in the LICENSE file that + * accompanied this code). + * + * You should have received a copy of the GNU General Public License version + * 2 along with this work; if not, write to the Free Software Foundation, + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. + * + * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA + * or visit www.oracle.com if you need additional information or have any + * questions. + */ +package org.graalvm.compiler.microbenchmarks.graal.util; + +import static org.graalvm.compiler.core.common.CompilationIdentifier.INVALID_COMPILATION_ID; + +import java.lang.reflect.Method; +import java.util.List; + +import jdk.vm.ci.meta.MetaAccessProvider; +import jdk.vm.ci.meta.ResolvedJavaMethod; + +import org.graalvm.compiler.graph.Node; +import org.graalvm.compiler.java.GraphBuilderPhase; +import org.graalvm.compiler.nodes.StructuredGraph; +import org.graalvm.compiler.nodes.graphbuilderconf.GraphBuilderConfiguration; +import org.graalvm.compiler.nodes.graphbuilderconf.InvocationPlugins; +import org.graalvm.compiler.nodes.graphbuilderconf.GraphBuilderConfiguration.Plugins; +import org.graalvm.compiler.phases.OptimisticOptimizations; +import org.graalvm.compiler.phases.PhaseSuite; +import org.graalvm.compiler.phases.tiers.HighTierContext; + +public class GraalUtil { + + public static Method getMethod(Class declaringClass, String name, Class... parameterTypes) { + try { + if (parameterTypes == null) { + Method found = null; + for (Method m : declaringClass.getDeclaredMethods()) { + if (m.getName().equals(name)) { + if (found != null) { + throw new RuntimeException("more than one method named " + name + " in " + declaringClass); + } + found = m; + } + } + if (found == null) { + throw new NoSuchMethodException(declaringClass.getName() + "." + name); + } + return found; + } else { + return declaringClass.getDeclaredMethod(name, parameterTypes); + } + } catch (Exception e) { + throw new RuntimeException(e); + } + } + + /** + * Gets the first {@link MethodSpec} annotation encountered in the class hierarchy terminated by + * {@code startClass}. + */ + public static MethodSpec getMethodSpec(Class startClass) { + Class c = startClass; + while (c != null) { + MethodSpec methodSpec = c.getAnnotation(MethodSpec.class); + if (methodSpec != null) { + return methodSpec; + } + c = c.getSuperclass(); + } + throw new RuntimeException("Could not find class annotated with " + MethodSpec.class.getSimpleName() + " in hierarchy of " + startClass); + } + + /** + * Gets the method specified by the first {@link MethodSpec} annotation encountered in the class + * hierarchy terminated by {@code startClass}. + */ + public static Method getMethodFromMethodSpec(Class startClass) { + MethodSpec methodSpec = getMethodSpec(startClass); + Class declaringClass = methodSpec.declaringClass(); + if (declaringClass == MethodSpec.class) { + declaringClass = startClass; + } + String name = methodSpec.name(); + Class[] parameters = methodSpec.parameters(); + if (parameters.length == 1 && parameters[0] == void.class) { + parameters = null; + } + return getMethod(declaringClass, name, parameters); + } + + /** + * Gets the graph for the method specified by the first {@link MethodSpec} annotation + * encountered in the class hierarchy terminated by {@code startClass}. + */ + public static StructuredGraph getGraphFromMethodSpec(Class startClass) { + MethodSpec methodSpec = getMethodSpec(startClass); + Class declaringClass = methodSpec.declaringClass(); + if (declaringClass == MethodSpec.class) { + declaringClass = startClass; + } + String name = methodSpec.name(); + Class[] parameters = methodSpec.parameters(); + if (parameters.length == 1 && parameters[0] == void.class) { + parameters = null; + } + return getGraph(declaringClass, name, parameters); + } + + public static StructuredGraph getGraph(Class declaringClass, String name, Class... parameterTypes) { + return getGraph(getMethod(declaringClass, name, parameterTypes)); + } + + public static StructuredGraph getGraph(Method method) { + GraalState graal = new GraalState(); + ResolvedJavaMethod javaMethod = graal.metaAccess.lookupJavaMethod(method); + return getGraph(graal, javaMethod); + } + + public static StructuredGraph getGraph(GraalState graal, ResolvedJavaMethod javaMethod) { + return getGraph(graal, javaMethod, StructuredGraph.USE_PROFILING_INFO); + } + + public static StructuredGraph getGraph(GraalState graal, ResolvedJavaMethod javaMethod, boolean useProfilingInfo) { + StructuredGraph graph = new StructuredGraph(javaMethod, StructuredGraph.AllowAssumptions.YES, useProfilingInfo, INVALID_COMPILATION_ID); + PhaseSuite graphBuilderSuite = new PhaseSuite<>(); + MetaAccessProvider metaAccess = graal.providers.getMetaAccess(); + graphBuilderSuite.appendPhase(new GraphBuilderPhase(GraphBuilderConfiguration.getDefault(new Plugins(new InvocationPlugins(metaAccess))))); + graphBuilderSuite.apply(graph, new HighTierContext(graal.providers, graphBuilderSuite, OptimisticOptimizations.ALL)); + return graph; + } + + public static Node[] getNodes(StructuredGraph graph) { + List nodeList = graph.getNodes().snapshot(); + return nodeList.toArray(new Node[nodeList.size()]); + } +}