| /* |
| * Copyright (c) 2014, 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 org.graalvm.compiler.replacements.test; |
| |
| import jdk.vm.ci.code.InstalledCode; |
| import jdk.vm.ci.meta.JavaConstant; |
| import jdk.vm.ci.meta.JavaType; |
| import jdk.vm.ci.meta.ResolvedJavaMethod; |
| import org.graalvm.compiler.core.test.GraalCompilerTest; |
| import org.graalvm.compiler.nodes.ConstantNode; |
| import org.graalvm.compiler.nodes.ParameterNode; |
| import org.graalvm.compiler.nodes.StructuredGraph; |
| import org.graalvm.compiler.options.OptionValues; |
| import org.graalvm.compiler.phases.PhaseSuite; |
| import org.graalvm.compiler.phases.tiers.HighTierContext; |
| import org.junit.Test; |
| import org.junit.runner.RunWith; |
| import org.junit.runners.Parameterized; |
| import org.junit.runners.Parameterized.Parameter; |
| import org.junit.runners.Parameterized.Parameters; |
| |
| import java.util.ArrayList; |
| import java.util.Collection; |
| |
| import static java.lang.reflect.Modifier.isStatic; |
| |
| @RunWith(Parameterized.class) |
| public class SystemArrayCopyTest extends GraalCompilerTest { |
| |
| @Parameter(0) public Object src; |
| @Parameter(1) public Object dst; |
| @Parameter(2) public int len; |
| @Parameter(3) public String name; |
| |
| @Parameters(name = "{3}") |
| public static Collection<Object[]> data() { |
| Object[] srcs = {new int[4], new double[4], new Integer[4], new Number[4], new String[4], new Object[]{"Graal", 0, 0, 0}, new Object()}; |
| Object[] dsts = {new int[4], new Number[4]}; |
| int[] lens = {-1, 0, 2, 8}; |
| |
| ArrayList<Object[]> ret = new ArrayList<>(srcs.length * dsts.length * lens.length); |
| for (Object src : srcs) { |
| for (Object dst : dsts) { |
| for (int length : lens) { |
| ret.add(new Object[]{src, dst, length, src.getClass().getSimpleName() + ", 0, " + dst.getClass().getSimpleName() + ", 0, " + length}); |
| } |
| } |
| } |
| return ret; |
| } |
| |
| public static void testArrayCopySnippet(Object src, Object dst, int length) { |
| System.arraycopy(src, 0, dst, 0, length); |
| } |
| |
| private static final int PARAMETER_LENGTH = 3; |
| private Object[] argsToBind; |
| |
| @Test |
| public void testArrayCopy() { |
| ResolvedJavaMethod method = getResolvedJavaMethod("testArrayCopySnippet"); |
| Object receiver = method.isStatic() ? null : this; |
| Object[] args = {src, dst, len}; |
| |
| Result expect = executeExpected(method, receiver, args); |
| testAgainstExpected(method, expect, receiver, args); |
| |
| // test composition of constant binding |
| for (int i = 1; i < (1 << PARAMETER_LENGTH); i++) { |
| argsToBind = new Object[PARAMETER_LENGTH]; |
| for (int j = 0; j < PARAMETER_LENGTH; j++) { |
| if ((i & (1 << j)) != 0) { |
| argsToBind[j] = args[j]; |
| } |
| } |
| testAgainstExpected(method, expect, receiver, args); |
| } |
| } |
| |
| @Override |
| protected StructuredGraph parse(StructuredGraph.Builder builder, PhaseSuite<HighTierContext> graphBuilderSuite) { |
| StructuredGraph graph = super.parse(builder, graphBuilderSuite); |
| if (argsToBind != null) { |
| ResolvedJavaMethod m = graph.method(); |
| Object receiver = isStatic(m.getModifiers()) ? null : this; |
| Object[] args = argsWithReceiver(receiver, argsToBind); |
| JavaType[] parameterTypes = m.toParameterTypes(); |
| assert parameterTypes.length == args.length; |
| for (ParameterNode param : graph.getNodes(ParameterNode.TYPE)) { |
| int index = param.index(); |
| if (args[index] != null) { |
| JavaConstant c = getSnippetReflection().forBoxed(parameterTypes[index].getJavaKind(), args[index]); |
| ConstantNode replacement = ConstantNode.forConstant(c, getMetaAccess(), graph); |
| param.replaceAtUsages(replacement); |
| } |
| } |
| } |
| return graph; |
| } |
| |
| @Override |
| protected InstalledCode getCode(ResolvedJavaMethod method, StructuredGraph graph, boolean forceCompile, boolean installAsDefault, OptionValues options) { |
| return super.getCode(method, graph, true, installAsDefault, options); |
| } |
| |
| } |