1 /* 2 * Copyright (c) 2012, 2015, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. 8 * 9 * This code is distributed in the hope that it will be useful, but WITHOUT 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 12 * version 2 for more details (a copy is included in the LICENSE file that 13 * accompanied this code). 14 * 15 * You should have received a copy of the GNU General Public License version 16 * 2 along with this work; if not, write to the Free Software Foundation, 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 18 * 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 20 * or visit www.oracle.com if you need additional information or have any 21 * questions. 22 */ 23 package org.graalvm.compiler.hotspot.test; 24 25 import static java.lang.reflect.Modifier.isStatic; 26 27 import org.junit.Assert; 28 import org.junit.Test; 29 30 import org.graalvm.compiler.core.common.CompilationIdentifier; 31 import org.graalvm.compiler.core.test.GraalCompilerTest; 32 import org.graalvm.compiler.nodes.ConstantNode; 33 import org.graalvm.compiler.nodes.ParameterNode; 34 import org.graalvm.compiler.nodes.StructuredGraph; 35 import org.graalvm.compiler.nodes.StructuredGraph.AllowAssumptions; 36 37 import jdk.vm.ci.code.InvalidInstalledCodeException; 38 import jdk.vm.ci.hotspot.HotSpotInstalledCode; 39 import jdk.vm.ci.meta.JavaConstant; 40 import jdk.vm.ci.meta.JavaType; 41 import jdk.vm.ci.meta.ResolvedJavaMethod; 42 43 public class InstalledCodeExecuteHelperTest extends GraalCompilerTest { 44 45 private static final int ITERATIONS = 100000; 46 Object[] argsToBind; 47 48 @Test 49 public void test1() throws InvalidInstalledCodeException { 50 final ResolvedJavaMethod fooMethod = getResolvedJavaMethod("foo"); 51 final HotSpotInstalledCode fooCode = (HotSpotInstalledCode) getCode(fooMethod); 52 53 argsToBind = new Object[]{fooCode}; 54 55 final ResolvedJavaMethod benchmarkMethod = getResolvedJavaMethod("benchmark"); 56 final HotSpotInstalledCode installedBenchmarkCode = (HotSpotInstalledCode) getCode(benchmarkMethod); 57 58 Assert.assertEquals(Integer.valueOf(42), benchmark(fooCode)); 59 60 Assert.assertEquals(Integer.valueOf(42), installedBenchmarkCode.executeVarargs(argsToBind[0])); 61 62 } 63 64 public static Integer benchmark(HotSpotInstalledCode code) throws InvalidInstalledCodeException { 65 int val = 0; 66 for (int j = 0; j < 100; j++) { 67 for (int i = 0; i < ITERATIONS; i++) { 68 val = (Integer) code.executeVarargs(); 69 } 70 } 71 return val; 72 } 73 74 public static Integer foo() { 75 return 42; 76 } 77 78 @Override 79 protected StructuredGraph parseEager(ResolvedJavaMethod m, AllowAssumptions allowAssumptions, CompilationIdentifier compilationId) { 80 StructuredGraph graph = super.parseEager(m, allowAssumptions, compilationId); 81 if (argsToBind != null) { 82 Object receiver = isStatic(m.getModifiers()) ? null : this; 83 Object[] args = argsWithReceiver(receiver, argsToBind); 84 JavaType[] parameterTypes = m.toParameterTypes(); 85 assert parameterTypes.length == args.length; 86 for (int i = 0; i < argsToBind.length; i++) { 87 ParameterNode param = graph.getParameter(i); 88 JavaConstant c = getSnippetReflection().forBoxed(parameterTypes[i].getJavaKind(), argsToBind[i]); 89 ConstantNode replacement = ConstantNode.forConstant(c, getMetaAccess(), graph); 90 param.replaceAtUsages(replacement); 91 } 92 } 93 return graph; 94 } 95 }