Mercurial > hg > truffle
view graal/com.oracle.max.graal.tests/src/com/oracle/max/graal/compiler/tests/CompiledMethodTest.java @ 5005:c2ebd3d559f7
fixed probabilities when polymorphic inlining is used
author | Christian Haeubl <christian.haeubl@oracle.com> |
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date | Thu, 01 Mar 2012 15:18:32 -0800 |
parents | 11ce128f8d28 |
children |
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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 com.oracle.max.cri.ci.*; import com.oracle.max.cri.ri.*; import com.oracle.max.cri.ri.RiCompiledMethod.MethodInvalidatedException; import com.oracle.max.graal.compiler.phases.*; import com.oracle.max.graal.graph.*; import com.oracle.max.graal.java.*; import com.oracle.max.graal.nodes.*; /** * In the following tests, the usages of local variable "a" are replaced with the integer constant 0. Then * canonicalization is applied and it is verified that the resulting graph is equal to the graph of the method that just * has a "return 1" statement in it. */ public class CompiledMethodTest extends GraphTest { public static Object testMethod(Object arg1, Object arg2, Object arg3) { return arg1 + " " + arg2 + " " + arg3; } @Test public void test1() { Method method = getMethod("testMethod"); final StructuredGraph graph = parse(method); new CanonicalizerPhase(null, runtime(), null).apply(graph); new DeadCodeEliminationPhase().apply(graph); for (Node node : graph.getNodes()) { if (node instanceof ConstantNode) { ConstantNode constant = (ConstantNode) node; if (constant.kind() == CiKind.Object && " ".equals(constant.value.asObject())) { graph.replaceFloating(constant, ConstantNode.forObject("-", runtime, graph)); } } } final RiResolvedMethod riMethod = runtime.getRiMethod(method); CiTargetMethod targetMethod = runtime.compile(riMethod, graph); RiCompiledMethod compiledMethod = runtime.addMethod(riMethod, targetMethod); try { Object result = compiledMethod.execute("1", "2", "3"); Assert.assertEquals("1-2-3", result); } catch (MethodInvalidatedException t) { Assert.fail("method invalidated"); } } @Test public void test2() throws NoSuchMethodException, SecurityException { Method method = CompilableObjectImpl.class.getDeclaredMethod("executeHelper", ObjectCompiler.class, String.class); RiResolvedMethod riMethod = runtime.getRiMethod(method); StructuredGraph graph = new StructuredGraph(riMethod); new GraphBuilderPhase(runtime, GraphBuilderConfiguration.getSnippetDefault()).apply(graph); new CanonicalizerPhase(null, runtime, null).apply(graph); new DeadCodeEliminationPhase().apply(graph); for (Node node : graph.getNodes()) { if (node instanceof ConstantNode) { ConstantNode constant = (ConstantNode) node; if (constant.kind() == CiKind.Object && "1 ".equals(constant.value.asObject())) { graph.replaceFloating(constant, ConstantNode.forObject("1-", runtime, graph)); } } } CiTargetMethod targetMethod = runtime.compile(riMethod, graph); final RiCompiledMethod compiledMethod = runtime.addMethod(riMethod, targetMethod); final CompilableObject compilableObject = new CompilableObjectImpl(0); Object result; result = compilableObject.execute(new ObjectCompilerImpl(compiledMethod), "3"); Assert.assertEquals("1-3", result); } public abstract class CompilableObject { private CompiledObject compiledObject; private final int compileThreshold; private int counter; public CompilableObject(int compileThreshold) { this.compileThreshold = compileThreshold; } public final Object execute(ObjectCompiler compiler, String args) { if (counter++ < compileThreshold || compiler == null) { return executeHelper(compiler, args); } else { compiledObject = compiler.compile(this); return compiledObject.execute(compiler, args); } } protected abstract Object executeHelper(ObjectCompiler context, String args); } private final class CompilableObjectImpl extends CompilableObject { private CompilableObjectImpl(int compileThreshold) { super(compileThreshold); } @Override protected Object executeHelper(ObjectCompiler compiler, String args) { return "1 " + args; } } public interface CompiledObject { Object execute(ObjectCompiler context, String args); } public interface ObjectCompiler { CompiledObject compile(CompilableObject node); } private final class ObjectCompilerImpl implements ObjectCompiler { private final RiCompiledMethod compiledMethod; private ObjectCompilerImpl(RiCompiledMethod compiledMethod) { this.compiledMethod = compiledMethod; } @Override public CompiledObject compile(final CompilableObject node) { return new CompiledObject() { @Override public Object execute(ObjectCompiler compiler, String args) { return compiledMethod.execute(node, compiler, args); } }; } } }