Mercurial > hg > truffle
view graal/com.oracle.graal.replacements.test/src/com/oracle/graal/replacements/test/MethodSubstitutionTest.java @ 21554:b1530a6cce8c
renamed com.oracle.graal.[debug|options|hotspotvmconfig]* modules to com.oracle.jvmci.[debug|options|hotspotvmconfig]* modules (JBS:GRAAL-53)
author | Doug Simon <doug.simon@oracle.com> |
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date | Tue, 26 May 2015 23:21:15 +0200 |
parents | 30cbb666e512 |
children | 48c1ebd24120 |
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/* * Copyright (c) 2012, 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.replacements.test; import java.lang.reflect.*; import com.oracle.graal.api.code.*; import com.oracle.graal.api.meta.*; import com.oracle.graal.api.replacements.*; import com.oracle.graal.compiler.test.*; import com.oracle.graal.graph.*; import com.oracle.graal.nodes.*; import com.oracle.graal.nodes.StructuredGraph.AllowAssumptions; import com.oracle.graal.phases.common.*; import com.oracle.graal.phases.common.inlining.*; import com.oracle.graal.phases.tiers.*; import com.oracle.jvmci.debug.*; import com.oracle.jvmci.debug.Debug.Scope; /** * Tests if {@link MethodSubstitution}s are inlined correctly. Most test cases only assert that * there are no remaining invocations in the graph. This is sufficient if the method that is being * substituted is a native method. For Java methods, additional checks are necessary. */ public abstract class MethodSubstitutionTest extends GraalCompilerTest { protected StructuredGraph testGraph(final String snippet) { try (Scope s = Debug.scope("MethodSubstitutionTest", getResolvedJavaMethod(snippet))) { StructuredGraph graph = parseEager(snippet, AllowAssumptions.YES); HighTierContext context = getDefaultHighTierContext(); Debug.dump(graph, "Graph"); new InliningPhase(new CanonicalizerPhase()).apply(graph, context); Debug.dump(graph, "Graph"); new CanonicalizerPhase().apply(graph, context); new DeadCodeEliminationPhase().apply(graph); assertNotInGraph(graph, Invoke.class); return graph; } catch (Throwable e) { throw Debug.handle(e); } } protected static StructuredGraph assertNotInGraph(StructuredGraph graph, Class<?> clazz) { for (Node node : graph.getNodes()) { if (clazz.isInstance(node)) { fail(node.toString()); } } return graph; } protected void testSubstitution(String testMethodName, Class<?> intrinsicClass, Class<?> holder, String methodName, Class<?>[] parameterTypes, boolean optional, Object[] args1, Object[] args2) { ResolvedJavaMethod realMethod = getResolvedJavaMethod(holder, methodName, parameterTypes); ResolvedJavaMethod testMethod = getResolvedJavaMethod(testMethodName); StructuredGraph graph = testGraph(testMethodName); // Check to see if the resulting graph contains the expected node StructuredGraph replacement = getReplacements().getSubstitution(realMethod, -1); if (replacement == null && !optional) { assertInGraph(graph, intrinsicClass); } // Force compilation InstalledCode code = getCode(testMethod); assert optional || code != null; for (int i = 0; i < args1.length; i++) { Object arg1 = args1[i]; Object arg2 = args2[i]; Object expected = invokeSafe(realMethod, null, arg1, arg2); // Verify that the original method and the substitution produce the same value assertDeepEquals(expected, invokeSafe(testMethod, null, arg1, arg2)); // Verify that the generated code and the original produce the same value assertDeepEquals(expected, executeVarargsSafe(code, arg1, arg2)); } } protected static StructuredGraph assertInGraph(StructuredGraph graph, Class<?> clazz) { for (Node node : graph.getNodes()) { if (clazz.isInstance(node)) { return graph; } } fail("Graph does not contain a node of class " + clazz.getName()); return graph; } protected static Object executeVarargsSafe(InstalledCode code, Object... args) { try { return code.executeVarargs(args); } catch (InvalidInstalledCodeException e) { throw new RuntimeException(e); } } protected Object invokeSafe(ResolvedJavaMethod method, Object receiver, Object... args) { try { return invoke(method, receiver, args); } catch (IllegalAccessException | IllegalArgumentException | InvocationTargetException e) { throw new RuntimeException(e); } } }