| /* |
| * Copyright (c) 2015, 2016, 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.core.test; |
| |
| import org.graalvm.compiler.code.CompilationResult; |
| import org.graalvm.compiler.nodes.StructuredGraph; |
| import org.graalvm.compiler.nodes.StructuredGraph.AllowAssumptions; |
| |
| import jdk.vm.ci.code.Architecture; |
| import jdk.vm.ci.code.InstalledCode; |
| import jdk.vm.ci.meta.Assumptions.Assumption; |
| import jdk.vm.ci.meta.ResolvedJavaMethod; |
| import jdk.vm.ci.meta.ResolvedJavaType; |
| |
| public abstract class GraalCompilerAssumptionsTest extends GraalCompilerTest { |
| |
| public GraalCompilerAssumptionsTest() { |
| super(); |
| } |
| |
| public GraalCompilerAssumptionsTest(Class<? extends Architecture> arch) { |
| super(arch); |
| } |
| |
| protected void testAssumptionInvalidate(String methodName, Assumption expected, String classToLoad) { |
| testAssumption(methodName, expected, classToLoad, true); |
| } |
| |
| /** |
| * Checks the behavior of class loading on {@link Assumption invalidation}. {@code methodName} |
| * is compiled and the resulting graph is checked for {@code expectedAssumption}. The code is |
| * installed and optionally {@code classToLoad} is loaded. The class is assumed to be an inner |
| * class of the test class and the name of the class to load is constructed relative to that. |
| * |
| * @param methodName the method to compile |
| * @param expectedAssumption expected {@link Assumption} instance to find in graph |
| * @param classToLoad an optional class to load to trigger an invalidation check |
| * @param willInvalidate true if loading {@code classToLoad} should invalidate the method |
| */ |
| protected void testAssumption(String methodName, Assumption expectedAssumption, String classToLoad, boolean willInvalidate) { |
| ResolvedJavaMethod javaMethod = getResolvedJavaMethod(methodName); |
| |
| StructuredGraph graph = parseEager(javaMethod, AllowAssumptions.YES); |
| assertTrue(!graph.getAssumptions().isEmpty()); |
| checkGraph(expectedAssumption, graph); |
| |
| CompilationResult compilationResult = compile(javaMethod, graph); |
| final InstalledCode installedCode = getBackend().createDefaultInstalledCode(javaMethod, compilationResult); |
| assertTrue(installedCode.isValid()); |
| if (classToLoad != null) { |
| String fullName = getClass().getName() + "$" + classToLoad; |
| try { |
| Class.forName(fullName); |
| } catch (ClassNotFoundException e) { |
| fail("Can't find class %s", fullName); |
| } |
| assertTrue(!willInvalidate == installedCode.isValid(), "method should be %s", willInvalidate ? "invalid" : "valid"); |
| } |
| } |
| |
| protected void checkGraph(Assumption expectedAssumption, StructuredGraph graph) { |
| boolean found = false; |
| for (Assumption a : graph.getAssumptions()) { |
| if (expectedAssumption.equals(a)) { |
| found = true; |
| } |
| } |
| assertTrue(found, "Can't find assumption %s", expectedAssumption); |
| } |
| |
| /** |
| * Converts a {@link Class} to an initialized {@link ResolvedJavaType}. |
| */ |
| protected ResolvedJavaType resolveAndInitialize(Class<?> clazz) { |
| ResolvedJavaType type = getMetaAccess().lookupJavaType(clazz); |
| type.initialize(); |
| return type; |
| } |
| } |