1 /* 2 * Copyright (c) 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 24 25 26 package org.graalvm.compiler.core.test; 27 28 import java.util.Arrays; 29 30 import org.junit.Test; 31 32 import org.graalvm.compiler.nodes.StructuredGraph; 33 import org.graalvm.compiler.nodes.java.NewArrayNode; 34 35 public class CopyOfVirtualizationTest extends GraalCompilerTest { 36 37 @Override 38 protected boolean checkMidTierGraph(StructuredGraph graph) { 39 assertTrue(graph.getNodes().filter(node -> node instanceof NewArrayNode).count() == 0, "shouldn't require allocation in %s", graph); 40 return super.checkMidTierGraph(graph); 41 } 42 43 public byte byteCopyOfVirtualization(int index) { 44 byte[] array = new byte[]{1, 2, 3, 4}; 45 return Arrays.copyOf(array, array.length)[index]; 46 } 47 48 public short shortCopyOfVirtualization(int index) { 49 short[] array = new short[]{1, 2, 3, 4}; 50 return Arrays.copyOf(array, array.length)[index]; 51 } 52 53 public char charCopyOfVirtualization(int index) { 54 char[] array = new char[]{1, 2, 3, 4}; 55 return Arrays.copyOf(array, array.length)[index]; 56 } 57 58 public int intCopyOfVirtualization(int index) { 59 int[] array = new int[]{1, 2, 3, 4}; 60 return Arrays.copyOf(array, array.length)[index]; 61 } 62 63 public long longCopyOfVirtualization(int index) { 64 long[] array = new long[]{1, 2, 3, 4}; 65 return Arrays.copyOf(array, array.length)[index]; 66 } 67 68 public float floatCopyOfVirtualization(int index) { 69 float[] array = new float[]{1, 2, 3, 4}; 70 return Arrays.copyOf(array, array.length)[index]; 71 } 72 73 public double doubleCopyOfVirtualization(int index) { 74 double[] array = new double[]{1, 2, 3, 4}; 75 return Arrays.copyOf(array, array.length)[index]; 76 } 77 78 public Object objectCopyOfVirtualization(int index) { 79 Object[] array = new Object[]{1, 2, 3, 4}; 80 return Arrays.copyOf(array, array.length)[index]; 81 } 82 83 // @Test 84 public void testCopyOfVirtualization() { 85 test("byteCopyOfVirtualization", 3); 86 test("shortCopyOfVirtualization", 3); 87 test("charCopyOfVirtualization", 3); 88 test("intCopyOfVirtualization", 3); 89 test("longCopyOfVirtualization", 3); 90 test("floatCopyOfVirtualization", 3); 91 test("doubleCopyOfVirtualization", 3); 92 test("objectCopyOfVirtualization", 3); 93 } 94 95 static final byte[] byteArray = new byte[]{1, 2, 3, 4}; 96 97 public byte byteCopyOfVirtualizableAllocation() { 98 return Arrays.copyOf(byteArray, byteArray.length)[3]; 99 } 100 101 static final short[] shortArray = new short[]{1, 2, 3, 4}; 102 103 public short shortCopyOfVirtualizableAllocation() { 104 return Arrays.copyOf(shortArray, shortArray.length)[3]; 105 } 106 107 static final char[] charArray = new char[]{1, 2, 3, 4}; 108 109 public char charCopyOfVirtualizableAllocation() { 110 return Arrays.copyOf(charArray, charArray.length)[3]; 111 } 112 113 static final int[] intArray = new int[]{1, 2, 3, 4}; 114 115 public int intCopyOfVirtualizableAllocation() { 116 return Arrays.copyOf(intArray, intArray.length)[3]; 117 } 118 119 static final long[] longArray = new long[]{1, 2, 3, 4}; 120 121 public long longCopyOfVirtualizableAllocation() { 122 return Arrays.copyOf(longArray, longArray.length)[3]; 123 } 124 125 static final float[] floatArray = new float[]{1, 2, 3, 4}; 126 127 public float floatCopyOfVirtualizableAllocation() { 128 return Arrays.copyOf(floatArray, floatArray.length)[3]; 129 } 130 131 static final double[] doubleArray = new double[]{1, 2, 3, 4}; 132 133 public double doubleCopyOfVirtualizableAllocation() { 134 return Arrays.copyOf(doubleArray, doubleArray.length)[3]; 135 } 136 137 static final Object[] objectArray = new Object[]{1, 2, 3, 4}; 138 139 public Object objectCopyOfVirtualizableAllocation() { 140 return Arrays.copyOf(objectArray, objectArray.length)[3]; 141 } 142 143 @Test 144 public void testCopyOfVirtualizableAllocation() { 145 test("byteCopyOfVirtualizableAllocation"); 146 test("shortCopyOfVirtualizableAllocation"); 147 test("charCopyOfVirtualizableAllocation"); 148 test("intCopyOfVirtualizableAllocation"); 149 test("longCopyOfVirtualizableAllocation"); 150 test("floatCopyOfVirtualizableAllocation"); 151 test("doubleCopyOfVirtualizableAllocation"); 152 test("objectCopyOfVirtualizableAllocation"); 153 } 154 }