Mercurial > hg > truffle
view graal/com.oracle.max.graal.tests/src/com/oracle/max/graal/compiler/tests/GraphTest.java @ 4205:2af849af1723
moved graphbuilder into the graal.java project.
author | Thomas Wuerthinger <thomas.wuerthinger@oracle.com> |
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date | Tue, 03 Jan 2012 18:22:10 +0100 |
parents | 4df4499e0289 |
children | 4643ccd37dac |
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/* * Copyright (c) 2011, 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 com.oracle.max.graal.compiler.tests; import java.lang.reflect.*; import org.junit.*; import junit.framework.Assert; import com.oracle.max.cri.ri.*; import com.oracle.max.graal.compiler.*; import com.oracle.max.graal.compiler.phases.*; import com.oracle.max.graal.compiler.phases.PhasePlan.*; import com.oracle.max.graal.cri.*; import com.oracle.max.graal.java.*; import com.oracle.max.graal.nodes.*; import com.oracle.max.graal.printer.*; /** * Base class for Graal compiler unit tests. These are white box tests * for Graal compiler transformations. The general pattern for a test is: * <ol> * <li>Create a graph by {@linkplain #parse(String) parsing} a method.</li> * <li>Manually modify the graph (e.g. replace a paramter node with a constant).</li> * <li>Apply a transformation to the graph.</li> * <li>Assert that the transformed graph is equal to an expected graph.</li> * </ol> * <p> * See {@link InvokeTest} as an example. * <p> * The tests can be run in Eclipse with the "Compiler Unit Test" Eclipse * launch configuration found in the top level of this project or by * running {@code mx gcut} on the command line. */ public abstract class GraphTest { protected final GraalRuntime runtime; private static IdealGraphPrinterObserver observer; public GraphTest() { this.runtime = GraalRuntimeAccess.getGraalRuntime(); } @BeforeClass public static void init() { IdealGraphPrinterObserver o = new IdealGraphPrinterObserver(GraalOptions.PrintIdealGraphAddress, GraalOptions.PrintIdealGraphPort); if (o.networkAvailable()) { observer = o; } } protected void assertEquals(StructuredGraph expected, StructuredGraph graph) { if (expected.getNodeCount() != graph.getNodeCount()) { print("Node count not matching", expected, graph); Assert.fail("Graphs do not have the same number of nodes"); } } protected GraalRuntime runtime() { return runtime; } /** * Parses a Java method to produce a graph. * * @param methodName the name of the method in {@code this.getClass()} to be parsed */ protected StructuredGraph parse(String methodName) { Method found = null; for (Method m : this.getClass().getMethods()) { if (m.getName().equals(methodName)) { Assert.assertNull(found); found = m; } } return parse(found); } /** * Parses a Java method to produce a graph. */ protected StructuredGraph parse(Method m) { RiResolvedMethod riMethod = runtime.getRiMethod(m); StructuredGraph graph = new StructuredGraph(riMethod); new GraphBuilderPhase(runtime, null, GraphBuilderConfiguration.getDeoptFreeDefault()).apply(graph); return graph; } protected PhasePlan getDefaultPhasePlan() { PhasePlan plan = new PhasePlan(); plan.addPhase(PhasePosition.AFTER_PARSING, new GraphBuilderPhase(runtime, null, GraphBuilderConfiguration.getDeoptFreeDefault())); return plan; } protected void print(String title, StructuredGraph... graphs) { if (observer != null) { observer.printGraphs(getClass().getSimpleName() + ": " + title, graphs); } } protected void print(StructuredGraph graph) { if (observer != null) { observer.printSingleGraph(getClass().getSimpleName(), graph); } } }