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/*
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* Copyright (c) 2014, 2018, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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package org.graalvm.compiler.replacements.test;
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import static org.graalvm.compiler.nodes.StructuredGraph.AllowAssumptions;
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import java.util.Arrays;
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import org.graalvm.compiler.nodes.ReturnNode;
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import org.graalvm.compiler.nodes.StructuredGraph;
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import org.graalvm.compiler.phases.OptimisticOptimizations;
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import org.graalvm.compiler.phases.common.CanonicalizerPhase;
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import org.graalvm.compiler.phases.tiers.HighTierContext;
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import org.graalvm.compiler.replacements.nodes.ArrayEqualsNode;
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import org.graalvm.compiler.virtual.phases.ea.PartialEscapePhase;
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import org.junit.Assert;
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import org.junit.Test;
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public class ArraysSubstitutionsTest extends ArraysSubstitutionsTestBase {
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private static final int N = 10;
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private void testEquals(String methodName, Class<?>[] parameterTypes, ArrayBuilder builder) {
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Object[] args1 = new Object[N];
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Object[] args2 = new Object[N];
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int n = 0;
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// equal arrays
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for (int i = 0; i < N / 2; i++, n++) {
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args1[n] = builder.newArray(i, 0, 1);
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args2[n] = builder.newArray(i, 0, 1);
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}
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// non-equal arrays
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for (int i = 0; i < N / 2; i++, n++) {
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args1[n] = builder.newArray(i, 0, 1);
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args2[n] = builder.newArray(i, 1, 1);
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}
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testSubstitution(methodName, ArrayEqualsNode.class, Arrays.class, "equals", parameterTypes, false, false, args1, args2);
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}
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@Test
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public void testEqualsBoolean() {
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testEquals("arraysEqualsBoolean", new Class<?>[]{boolean[].class, boolean[].class}, ArraysSubstitutionsTestBase::booleanArray);
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}
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@Test
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public void testEqualsByte() {
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testEquals("arraysEqualsByte", new Class<?>[]{byte[].class, byte[].class}, ArraysSubstitutionsTestBase::byteArray);
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}
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@Test
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public void testEqualsChar() {
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testEquals("arraysEqualsChar", new Class<?>[]{char[].class, char[].class}, ArraysSubstitutionsTestBase::charArray);
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}
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@Test
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public void testEqualsShort() {
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testEquals("arraysEqualsShort", new Class<?>[]{short[].class, short[].class}, ArraysSubstitutionsTestBase::shortArray);
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}
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@Test
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public void testEqualsInt() {
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testEquals("arraysEqualsInt", new Class<?>[]{int[].class, int[].class}, ArraysSubstitutionsTestBase::intArray);
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}
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@Test
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public void testEqualsLong() {
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testEquals("arraysEqualsLong", new Class<?>[]{long[].class, long[].class}, ArraysSubstitutionsTestBase::longArray);
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}
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@Test
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public void testEqualsNodeGVN() {
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test("testEqualsNodeGVNSnippet", true);
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}
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public static int[] intArrayCompare = new int[]{1, 2, 3, 4, 5, 6, 7, 8, 9};
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public static int[] intArray;
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public static boolean testEqualsNodeGVNSnippet(boolean b) {
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int[] newIntArray = new int[]{0, 2, 3, 4, 5, 6, 7, 8, 9};
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intArray = newIntArray;
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if (b) {
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newIntArray[0] = 1;
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return Arrays.equals(newIntArray, intArrayCompare);
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} else {
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newIntArray[0] = 1;
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return Arrays.equals(newIntArray, intArrayCompare);
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}
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}
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@Test
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public void testConstants() {
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testGraph("testConstantsSnippet");
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}
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public static final int[] constantArray1 = new int[]{1, 2, 3, 4, 5, 6, 7, 8, 9};
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public static final int[] constantArray2 = new int[]{1, 2, 3, 4, 5, 6, 7, 8, 9};
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public static boolean testConstantsSnippet() {
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constantArray2[0] = 10;
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try {
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return Arrays.equals(constantArray1, constantArray2);
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} finally {
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constantArray2[0] = 1;
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}
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}
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@Test
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public void testCanonicalLength() {
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StructuredGraph graph = parseEager("testCanonicalLengthSnippet", AllowAssumptions.NO);
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HighTierContext context = new HighTierContext(getProviders(), getDefaultGraphBuilderSuite(), OptimisticOptimizations.ALL);
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createInliningPhase().apply(graph, context);
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new CanonicalizerPhase().apply(graph, getProviders());
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Assert.assertTrue(graph.getNodes(ReturnNode.TYPE).first().result().asJavaConstant().asLong() == 0);
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}
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public static final int[] constantArray3 = new int[]{1, 2, 3};
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public static boolean testCanonicalLengthSnippet() {
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return Arrays.equals(constantArray1, constantArray3);
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}
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@Test
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public void testCanonicalEqual() {
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StructuredGraph graph = parseEager("testCanonicalEqualSnippet", AllowAssumptions.NO);
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HighTierContext context = new HighTierContext(getProviders(), getDefaultGraphBuilderSuite(), OptimisticOptimizations.ALL);
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createInliningPhase().apply(graph, context);
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new CanonicalizerPhase().apply(graph, getProviders());
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Assert.assertTrue(graph.getNodes(ReturnNode.TYPE).first().result().asJavaConstant().asLong() == 1);
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}
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public static boolean testCanonicalEqualSnippet() {
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return Arrays.equals(constantArray1, constantArray1);
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}
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@Test
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public void testVirtualEqual() {
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StructuredGraph graph = parseEager("testVirtualEqualSnippet", AllowAssumptions.NO);
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HighTierContext context = new HighTierContext(getProviders(), getDefaultGraphBuilderSuite(), OptimisticOptimizations.ALL);
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createInliningPhase().apply(graph, context);
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new CanonicalizerPhase().apply(graph, getProviders());
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new PartialEscapePhase(false, new CanonicalizerPhase(), graph.getOptions()).apply(graph, context);
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new CanonicalizerPhase().apply(graph, getProviders());
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Assert.assertTrue(graph.getNodes(ReturnNode.TYPE).first().result().asJavaConstant().asLong() == 1);
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}
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public static boolean testVirtualEqualSnippet() {
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int[] array1 = new int[]{1, 2, 3, 4};
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int[] array2 = new int[]{1, 2, 3, 4};
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return Arrays.equals(array1, array2);
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}
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@Test
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public void testVirtualNotEqual() {
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StructuredGraph graph = parseEager("testVirtualNotEqualSnippet", AllowAssumptions.NO);
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HighTierContext context = getDefaultHighTierContext();
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createInliningPhase().apply(graph, context);
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new CanonicalizerPhase().apply(graph, getProviders());
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new PartialEscapePhase(false, new CanonicalizerPhase(), graph.getOptions()).apply(graph, context);
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new CanonicalizerPhase().apply(graph, getProviders());
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Assert.assertTrue(graph.getNodes(ReturnNode.TYPE).first().result().asJavaConstant().asLong() == 0);
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}
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public static boolean testVirtualNotEqualSnippet(int x) {
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int[] array1 = new int[]{1, 2, 100, x};
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int[] array2 = new int[]{1, 2, 3, 4};
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return Arrays.equals(array1, array2);
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}
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}
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