| /* |
| * Copyright (c) 2015, 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.core.test; |
| |
| import java.lang.reflect.Method; |
| import java.util.ArrayList; |
| import java.util.HashMap; |
| import java.util.List; |
| import java.util.Map; |
| |
| import jdk.vm.ci.meta.ResolvedJavaMethod; |
| |
| import org.junit.Test; |
| |
| import org.graalvm.compiler.nodes.EncodedGraph; |
| import org.graalvm.compiler.nodes.GraphEncoder; |
| import org.graalvm.compiler.nodes.StructuredGraph; |
| import org.graalvm.compiler.nodes.StructuredGraph.AllowAssumptions; |
| import org.graalvm.compiler.phases.common.CanonicalizerPhase; |
| import org.graalvm.compiler.phases.tiers.PhaseContext; |
| |
| public class GraphEncoderTest extends GraalCompilerTest { |
| |
| @Test |
| public void test01() { |
| testStringMethods(false); |
| } |
| |
| @Test |
| public void test02() { |
| testStringMethods(true); |
| } |
| |
| public void testStringMethods(boolean canonicalize) { |
| /* Encode and decode all methods of java.lang.String. */ |
| List<StructuredGraph> originalGraphs = new ArrayList<>(); |
| for (Method method : String.class.getDeclaredMethods()) { |
| ResolvedJavaMethod javaMethod = getMetaAccess().lookupJavaMethod(method); |
| if (javaMethod.hasBytecodes()) { |
| StructuredGraph originalGraph = parseEager(javaMethod, AllowAssumptions.YES); |
| if (canonicalize) { |
| PhaseContext context = new PhaseContext(getProviders()); |
| new CanonicalizerPhase().apply(originalGraph, context); |
| } |
| originalGraphs.add(originalGraph); |
| } |
| } |
| |
| GraphEncoder encoder = new GraphEncoder(getTarget().arch); |
| for (StructuredGraph originalGraph : originalGraphs) { |
| encoder.prepare(originalGraph); |
| } |
| encoder.finishPrepare(); |
| Map<StructuredGraph, Long> startOffsets = new HashMap<>(); |
| for (StructuredGraph originalGraph : originalGraphs) { |
| startOffsets.put(originalGraph, encoder.encode(originalGraph)); |
| } |
| |
| for (StructuredGraph originalGraph : originalGraphs) { |
| EncodedGraph encodedGraph = new EncodedGraph(encoder.getEncoding(), startOffsets.get(originalGraph), encoder.getObjects(), encoder.getNodeClasses(), originalGraph.getAssumptions(), |
| originalGraph.getMethods()); |
| GraphEncoder.verifyEncoding(originalGraph, encodedGraph, getTarget().arch); |
| } |
| } |
| } |