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 }