Mercurial > hg > truffle
view graal/com.oracle.graal.hotspot.test/src/com/oracle/graal/hotspot/test/InstalledCodeExecuteHelperTest.java @ 9392:5a74cbafe5b9
Adjustment to the megamorphic inlining strategy such that it focuses on concrete methods.
author | Thomas Wuerthinger <thomas.wuerthinger@oracle.com> |
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date | Sun, 28 Apr 2013 19:17:56 +0200 |
parents | 5eab174fb727 |
children | 23ccaa863eda |
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/* * Copyright (c) 2012, 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.hotspot.test; import static com.oracle.graal.api.meta.MetaUtil.*; import static java.lang.reflect.Modifier.*; import java.lang.reflect.*; import org.junit.*; import com.oracle.graal.api.code.*; import com.oracle.graal.api.meta.*; import com.oracle.graal.api.runtime.*; import com.oracle.graal.compiler.test.*; import com.oracle.graal.hotspot.meta.*; import com.oracle.graal.nodes.*; public class InstalledCodeExecuteHelperTest extends GraalCompilerTest { private static final int ITERATIONS = 100000; private final MetaAccessProvider metaAccessProvider; Object[] argsToBind; public InstalledCodeExecuteHelperTest() { this.metaAccessProvider = Graal.getRequiredCapability(MetaAccessProvider.class); } @Test public void test1() throws NoSuchMethodException, SecurityException, InvalidInstalledCodeException { final Method fooMethod = InstalledCodeExecuteHelperTest.class.getMethod("foo", Object.class, Object.class, Object.class); final HotSpotResolvedJavaMethod fooJavaMethod = (HotSpotResolvedJavaMethod) metaAccessProvider.lookupJavaMethod(fooMethod); final HotSpotInstalledCode fooCode = (HotSpotInstalledCode) getCode(fooJavaMethod, parse(fooMethod)); argsToBind = new Object[]{fooCode}; final Method benchmarkMethod = InstalledCodeExecuteHelperTest.class.getMethod("benchmark", HotSpotInstalledCode.class); final ResolvedJavaMethod benchmarkJavaMethod = metaAccessProvider.lookupJavaMethod(benchmarkMethod); final HotSpotInstalledCode installedBenchmarkCode = (HotSpotInstalledCode) getCode(benchmarkJavaMethod, parse(benchmarkMethod)); Assert.assertEquals(Integer.valueOf(42), benchmark(fooCode)); Assert.assertEquals(Integer.valueOf(42), installedBenchmarkCode.executeVarargs(argsToBind[0])); } public static Integer benchmark(HotSpotInstalledCode code) throws InvalidInstalledCodeException { int val = 0; for (int j = 0; j < 100; j++) { for (int i = 0; i < ITERATIONS; i++) { val = (Integer) code.execute(null, null, null); } } return val; } public static Integer foo(@SuppressWarnings("unused") Object a1, @SuppressWarnings("unused") Object a2, @SuppressWarnings("unused") Object a3) { return 42; } @Override protected StructuredGraph parse(Method m) { StructuredGraph graph = super.parse(m); if (argsToBind != null) { Object receiver = isStatic(m.getModifiers()) ? null : this; Object[] args = argsWithReceiver(receiver, argsToBind); JavaType[] parameterTypes = signatureToTypes(runtime.lookupJavaMethod(m)); assert parameterTypes.length == args.length; for (int i = 0; i < argsToBind.length; i++) { LocalNode local = graph.getLocal(i); Constant c = Constant.forBoxed(parameterTypes[i].getKind(), argsToBind[i]); ConstantNode replacement = ConstantNode.forConstant(c, runtime, graph); local.replaceAtUsages(replacement); } } return graph; } }