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view graal/com.oracle.graal.hotspot.test/src/com/oracle/graal/hotspot/test/InstalledCodeExecuteHelperTest.java @ 19001:5a79fa76b489
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author | Thomas Wuerthinger <thomas.wuerthinger@oracle.com> |
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date | Wed, 28 Jan 2015 04:05:07 +0100 |
parents | f7d45e2426d4 |
children | 8ab925a6f724 |
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/* * Copyright (c) 2012, 2014, 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 java.lang.reflect.Modifier.*; import org.junit.*; import com.oracle.graal.api.code.*; import com.oracle.graal.api.meta.*; 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; Object[] argsToBind; @Test public void test1() throws InvalidInstalledCodeException { final ResolvedJavaMethod fooMethod = getResolvedJavaMethod("foo"); final HotSpotInstalledCode fooCode = (HotSpotInstalledCode) getCode(fooMethod); argsToBind = new Object[]{fooCode}; final ResolvedJavaMethod benchmarkMethod = getResolvedJavaMethod("benchmark"); final HotSpotInstalledCode installedBenchmarkCode = (HotSpotInstalledCode) getCode(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.executeVarargs(); } } return val; } public static Integer foo() { return 42; } @Override protected StructuredGraph parseEager(ResolvedJavaMethod m) { StructuredGraph graph = super.parseEager(m); if (argsToBind != null) { Object receiver = isStatic(m.getModifiers()) ? null : this; Object[] args = argsWithReceiver(receiver, argsToBind); JavaType[] parameterTypes = m.toParameterTypes(); assert parameterTypes.length == args.length; for (int i = 0; i < argsToBind.length; i++) { ParameterNode param = graph.getParameter(i); JavaConstant c = HotSpotObjectConstantImpl.forBoxedValue(parameterTypes[i].getKind(), argsToBind[i]); ConstantNode replacement = ConstantNode.forConstant(c, getMetaAccess(), graph); param.replaceAtUsages(replacement); } } return graph; } }