Mercurial > hg > truffle
view graal/com.oracle.graal.tests/src/com/oracle/graal/compiler/tests/GraphTest.java @ 5114:dad1ac9dba7d
finished first implementation of disabling runtime feedback selectively based on deoptimization history
author | Christian Haeubl <christian.haeubl@oracle.com> |
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date | Mon, 19 Mar 2012 14:43:15 -0700 |
parents | 6766253384bf |
children | e5427faad192 |
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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.graal.compiler.tests; import java.lang.reflect.*; import junit.framework.*; import com.oracle.graal.compiler.*; import com.oracle.graal.compiler.phases.*; import com.oracle.graal.compiler.phases.PhasePlan.PhasePosition; import com.oracle.graal.cri.*; import com.oracle.graal.debug.*; import com.oracle.graal.java.*; import com.oracle.graal.nodes.*; import com.oracle.max.cri.ri.*; /** * 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 unittest} on the command line. */ public abstract class GraphTest { protected final GraalRuntime runtime; public GraphTest() { this.runtime = GraalRuntimeAccess.getGraalRuntime(); } protected void assertEquals(StructuredGraph expected, StructuredGraph graph) { if (expected.getNodeCount() != graph.getNodeCount()) { Debug.dump(expected, "Node count not matching - expected"); Debug.dump(graph, "Node count not matching - actual"); 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) { return parse(getMethod(methodName)); } protected Method getMethod(String methodName) { Method found = null; for (Method m : this.getClass().getMethods()) { if (m.getName().equals(methodName)) { Assert.assertNull(found); found = m; } } if (found != null) { return found; } else { throw new RuntimeException("method not found: " + methodName); } } /** * Parses a Java method to produce a graph. * * @param methodName the name of the method in {@code this.getClass()} to be parsed */ protected StructuredGraph parseProfiled(String methodName) { return parseProfiled(getMethod(methodName)); } /** * 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, GraphBuilderConfiguration.getSnippetDefault(), OptimisticOptimizations.NONE).apply(graph); return graph; } /** * Parses a Java method to produce a graph. */ protected StructuredGraph parseProfiled(Method m) { RiResolvedMethod riMethod = runtime.getRiMethod(m); StructuredGraph graph = new StructuredGraph(riMethod); new GraphBuilderPhase(runtime, GraphBuilderConfiguration.getDefault(), OptimisticOptimizations.ALL).apply(graph); return graph; } protected PhasePlan getDefaultPhasePlan() { PhasePlan plan = new PhasePlan(); plan.addPhase(PhasePosition.AFTER_PARSING, new GraphBuilderPhase(runtime, GraphBuilderConfiguration.getSnippetDefault(), OptimisticOptimizations.NONE)); return plan; } }