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