1 /*
2 * Copyright (c) 2016, 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 * @test
26 * @bug 8150102 8150514 8150534
27 * @summary C1 crashes in Canonicalizer::do_ArrayLength() after fix for JDK-8150102
28 *
29 * @run main/othervm -XX:+IgnoreUnrecognizedVMOptions -XX:+UnlockDiagnosticVMOptions
30 * -XX:CompileThreshold=100 -XX:+TieredCompilation -XX:TieredStopAtLevel=1
31 * -XX:-BackgroundCompilation
32 * compiler.c1.CanonicalizeArrayLength
33 * @run main/othervm -XX:+IgnoreUnrecognizedVMOptions -XX:+UnlockDiagnosticVMOptions
34 * -XX:CompileThreshold=100 -XX:+TieredCompilation -XX:TieredStopAtLevel=1
35 * -XX:-BackgroundCompilation
36 * -XX:+PatchALot
37 * compiler.c1.CanonicalizeArrayLength
38 * @run main/othervm -XX:+IgnoreUnrecognizedVMOptions -XX:+UnlockDiagnosticVMOptions
39 * -XX:CompileThreshold=100 -XX:+TieredCompilation -XX:TieredStopAtLevel=1
40 * -XX:-BackgroundCompilation
41 * -XX:ScavengeRootsInCode=0
42 * compiler.c1.CanonicalizeArrayLength
43 * @run main/othervm -XX:+IgnoreUnrecognizedVMOptions -XX:+UnlockDiagnosticVMOptions
44 * -XX:CompileThreshold=100 -XX:+TieredCompilation -XX:TieredStopAtLevel=1
45 * -XX:-BackgroundCompilation -XX:ScavengeRootsInCode=1
46 * compiler.c1.CanonicalizeArrayLength
47 */
48
49 package compiler.c1;
50
51 public class CanonicalizeArrayLength {
52 int[] arr = new int[42];
53 int[] arrNull = null;
54
55 final int[] finalArr = new int[42];
56 final int[] finalArrNull = null;
57
58 static int[] staticArr = new int[42];
59 static int[] staticArrNull = null;
60
61 static final int[] staticFinalArr = new int[42];
62 static final int[] staticFinalArrNull = null;
63
64 public static void main(String... args) {
65 CanonicalizeArrayLength t = new CanonicalizeArrayLength();
66 for (int i = 0; i < 20000; i++) {
67 if (t.testLocal() != 42)
68 throw new IllegalStateException();
69 if (t.testLocalNull() != 42)
70 throw new IllegalStateException();
71 if (t.testField() != 42)
72 throw new IllegalStateException();
73 if (t.testFieldNull() != 42)
74 throw new IllegalStateException();
75 if (t.testFinalField() != 42)
76 throw new IllegalStateException();
77 if (t.testFinalFieldNull() != 42)
78 throw new IllegalStateException();
79 if (t.testStaticField() != 42)
80 throw new IllegalStateException();
81 if (t.testStaticFieldNull() != 42)
82 throw new IllegalStateException();
83 if (t.testStaticFinalField() != 42)
84 throw new IllegalStateException();
85 if (t.testStaticFinalFieldNull() != 42)
86 throw new IllegalStateException();
87 }
88 }
89
90 int testField() {
91 try {
92 return arr.length;
93 } catch (Throwable t) {
94 return -1;
95 }
96 }
97
98 int testFieldNull() {
99 try {
100 return arrNull.length;
101 } catch (Throwable t) {
102 return 42;
103 }
104 }
105
106 int testFinalField() {
107 try {
108 return finalArr.length;
109 } catch (Throwable t) {
110 return -1;
111 }
112 }
113
114 int testFinalFieldNull() {
115 try {
116 return finalArrNull.length;
117 } catch (Throwable t) {
118 return 42;
119 }
120 }
121
122 int testStaticField() {
123 try {
124 return staticArr.length;
125 } catch (Throwable t) {
126 return -1;
127 }
128 }
129
130 int testStaticFieldNull() {
131 try {
132 return staticArrNull.length;
133 } catch (Throwable t) {
134 return 42;
135 }
136 }
137
138 int testStaticFinalField() {
139 try {
140 return staticFinalArr.length;
141 } catch (Throwable t) {
142 return -1;
143 }
144 }
145
146 int testStaticFinalFieldNull() {
147 try {
148 return staticFinalArrNull.length;
149 } catch (Throwable t) {
150 return 42;
151 }
152 }
153
154 int testLocal() {
155 int[] arr = new int[42];
156 try {
157 return arr.length;
158 } catch (Throwable t) {
159 return -1;
160 }
161 }
162
163 int testLocalNull() {
164 int[] arrNull = null;
165 try {
166 return arrNull.length;
167 } catch (Throwable t) {
168 return 42;
169 }
170 }
171
172
173 }