1 /*
2 * Copyright (c) 2021, 2024, 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 8260034 8260225 8260283 8261037 8261874 8262128 8262831 8306986
27 * @summary A selection of generated tests that triggered bugs not covered by other tests.
28 * @enablePreview
29 * @modules java.base/jdk.internal.value
30 * java.base/jdk.internal.vm.annotation
31 * @run main/othervm -Xbatch
32 * compiler.valhalla.inlinetypes.TestGenerated
33 * @run main/othervm -Xbatch -XX:FlatArrayElementMaxSize=0
34 * compiler.valhalla.inlinetypes.TestGenerated
35 */
36
37 package compiler.valhalla.inlinetypes;
38
39 import jdk.internal.value.ValueClass;
40 import jdk.internal.vm.annotation.ImplicitlyConstructible;
41 import jdk.internal.vm.annotation.LooselyConsistentValue;
42 import jdk.internal.vm.annotation.NullRestricted;
43
44 @ImplicitlyConstructible
45 @LooselyConsistentValue
46 value class EmptyPrimitive {
47
48 }
49
50 value class EmptyValue {
51
52 }
53
54 @ImplicitlyConstructible
55 @LooselyConsistentValue
56 value class MyValue1 {
57 int x = 42;
58 int[] array = new int[1];
59 }
60
61 @ImplicitlyConstructible
62 @LooselyConsistentValue
63 value class MyValue2 {
64 int[] a = new int[1];
65 int[] b = new int[6];
66 int[] c = new int[5];
67 }
68
69 @ImplicitlyConstructible
70 @LooselyConsistentValue
71 value class MyValue3 {
72 int[] intArray = new int[1];
73 float[] floatArray = new float[1];
74 }
75
76 @ImplicitlyConstructible
77 @LooselyConsistentValue
78 value class MyValue4 {
79 short b = 2;
80 int c = 8;
81 }
82
83 class MyValue4Wrapper {
84 public MyValue4 val;
85
86 public MyValue4Wrapper(MyValue4 val) {
87 this.val = val;
88 }
89 }
90
91 @ImplicitlyConstructible
92 @LooselyConsistentValue
93 value class MyValue5 {
94 int b = 2;
95 }
96
97 value class MyValue6 {
98 int x = 42;
99 }
100
101 public class TestGenerated {
102 @NullRestricted
103 EmptyPrimitive f1 = new EmptyPrimitive();
104 @NullRestricted
105 EmptyPrimitive f2 = new EmptyPrimitive();
106
107 void test1(EmptyPrimitive[] array) {
108 for (int i = 0; i < 10; ++i) {
109 f1 = array[0];
110 f2 = array[0];
111 }
112 }
113
114 MyValue1 test2(MyValue1[] array) {
115 MyValue1 res = new MyValue1();
116 for (int i = 0; i < array.length; ++i) {
117 res = array[i];
118 }
119 for (int i = 0; i < 1000; ++i) {
120
121 }
122 return res;
123 }
124
125 void test3(MyValue1[] array) {
126 for (int i = 0; i < array.length; ++i) {
127 array[i] = new MyValue1();
128 }
129 for (int i = 0; i < 1000; ++i) {
130
131 }
132 }
133
134 void test4(MyValue1[] array) {
135 array[0].array[0] = 0;
136 }
137
138 int test5(MyValue1[] array) {
139 return array[0].array[0];
140 }
141
142 long f3;
143 @NullRestricted
144 MyValue1 f4 = new MyValue1();
145
146 void test6() {
147 f3 = 123L;
148 int res = f4.x;
149 if (res != 42) {
150 throw new RuntimeException("test6 failed");
151 }
152 }
153
154 @NullRestricted
155 MyValue2 f5;
156
157 void test7(boolean b) {
158 MyValue2[] array1 = (MyValue2[])ValueClass.newNullRestrictedArray(MyValue2.class, 6);
159 array1[0] = new MyValue2();
160 array1[1] = new MyValue2();
161 array1[2] = new MyValue2();
162 array1[3] = new MyValue2();
163 array1[4] = new MyValue2();
164 array1[5] = new MyValue2();
165
166 MyValue2 h = new MyValue2();
167 MyValue2 n = new MyValue2();
168 int[] array2 = new int[1];
169
170 for (int i = 0; i < 10; ++i) {
171 for (int j = 0; j < 10; ++j) {
172 array1[0] = array1[0];
173 if (i == 1) {
174 h = h;
175 array2[0] *= 42;
176 }
177 }
178 }
179 if (b) {
180 f5 = n;
181 }
182 }
183
184 boolean test8(MyValue1[] array) {
185 return array[0].array == array[0].array;
186 }
187
188 void test9(boolean b) {
189 MyValue1[] array = (MyValue1[])ValueClass.newNullRestrictedArray(MyValue1.class, 1);
190 if (b) {
191 for (int i = 0; i < 10; ++i) {
192 if (array != array) {
193 array = null;
194 }
195 }
196 }
197 }
198
199 int[] f6 = new int[1];
200
201 void test10(MyValue3[] array) {
202 float[] floatArray = array[0].floatArray;
203 if (f6 == f6) {
204 f6 = array[0].intArray;
205 }
206 }
207
208 void test11(MyValue3[] array) {
209 float[] floatArray = array[0].floatArray;
210 if (array[0].intArray[0] != 42) {
211 throw new RuntimeException("test11 failed");
212 }
213 }
214
215 MyValue4[] d = (MyValue4[])ValueClass.newNullRestrictedArray(MyValue4.class, 1);
216 @NullRestricted
217 MyValue4 e;
218 byte f;
219
220 byte test12() {
221 MyValue4 i = new MyValue4();
222 for (int j = 0; j < 6; ++j) {
223 MyValue4[] k = (MyValue4[])ValueClass.newNullRestrictedArray(MyValue4.class, 0);
224 if (i.b < 101) {
225 i = e;
226 }
227 for (int l = 0; l < 9; ++l) {
228 MyValue4 m = new MyValue4();
229 i = m;
230 }
231 }
232 if (d[0].c > 1) {
233 for (int n = 0; n < 7; ++n) {
234 }
235 }
236 return f;
237 }
238
239 int test13_iField;
240 @NullRestricted
241 MyValue5 test13_c;
242 @NullRestricted
243 MyValue5 test13_t;
244
245 void test13(MyValue5[] array) {
246 for (int i = 0; i < 10; ++i) {
247 for (int j = 0; j < 10; ++j) {
248 test13_iField = 6;
249 }
250 for (int j = 0; j < 2; ++j) {
251 test13_iField += array[0].b;
252 }
253 MyValue5[] array2 = (MyValue5[])ValueClass.newNullRestrictedArray(MyValue5.class, 1);
254 test13_c = array[0];
255 array2[0] = test13_t;
256 }
257 }
258
259 void test14(boolean b, MyValue4 val) {
260 for (int i = 0; i < 10; ++i) {
261 if (b) {
262 val = new MyValue4();
263 }
264 MyValue4[] array = (MyValue4[])ValueClass.newNullRestrictedArray(MyValue4.class, 1);
265 array[0] = val;
266
267 for (int j = 0; j < 5; ++j) {
268 for (int k = 0; k < 5; ++k) {
269 }
270 }
271 }
272 }
273
274 void test15() {
275 MyValue4 val = new MyValue4();
276 for (int i = 0; i < 10; ++i) {
277 for (int j = 0; j < 10; ++j) {
278 MyValue4[] array = (MyValue4[])ValueClass.newNullRestrictedArray(MyValue4.class, 1);
279 for (int k = 0; k < 10; ++k) {
280 array[0] = val;
281 val = array[0];
282 }
283 }
284 }
285 }
286
287 void test16() {
288 MyValue4 val = new MyValue4();
289 for (int i = 0; i < 10; ++i) {
290 for (int j = 0; j < 10; ++j) {
291 val = (new MyValue4Wrapper(val)).val;
292 for (int k = 0; k < 10; ++k) {
293 }
294 }
295 }
296 }
297
298 static MyValue6 test17Field = new MyValue6();
299
300 void test17() {
301 for (int i = 0; i < 10; ++i) {
302 MyValue6 val = new MyValue6();
303 for (int j = 0; j < 10; ++j) {
304 test17Field = val;
305 }
306 }
307 }
308
309 EmptyValue test18Field;
310
311 EmptyValue test18() {
312 EmptyValue val = new EmptyValue();
313 test18Field = val;
314 return test18Field;
315 }
316
317 @NullRestricted
318 MyValue1 test19Field = new MyValue1();
319
320 public void test19() {
321 for (int i = 0; i < 10; ++i) {
322 MyValue1 val = new MyValue1();
323 for (int j = 0; j < 10; ++j)
324 test19Field = val;
325 }
326 }
327
328 public static void main(String[] args) {
329 TestGenerated t = new TestGenerated();
330 EmptyPrimitive[] array1 = (EmptyPrimitive[])ValueClass.newNullRestrictedArray(EmptyPrimitive.class, 1);
331 MyValue1[] array2 = (MyValue1[])ValueClass.newNullRestrictedArray(MyValue1.class, 10);
332 MyValue1[] array3 = (MyValue1[])ValueClass.newNullRestrictedArray(MyValue1.class, 1);
333 array3[0] = new MyValue1();
334 MyValue3[] array4 = (MyValue3[])ValueClass.newNullRestrictedArray(MyValue3.class, 1);
335 array4[0] = new MyValue3();
336 MyValue5[] array5 = (MyValue5[])ValueClass.newNullRestrictedArray(MyValue5.class, 1);
337 array5[0] = new MyValue5();
338 array4[0].intArray[0] = 42;
339
340 for (int i = 0; i < 50_000; ++i) {
341 t.test1(array1);
342 t.test2(array2);
343 t.test3(array2);
344 t.test4(array3);
345 t.test5(array3);
346 t.test6();
347 t.test7(false);
348 t.test8(array3);
349 t.test9(true);
350 t.test10(array4);
351 t.test11(array4);
352 t.test12();
353 t.test13(array5);
354 t.test14(false, new MyValue4());
355 t.test15();
356 // TODO 8325106 Triggers "nothing between inner and outer loop" assert
357 // t.test16();
358 t.test17();
359 t.test18();
360 t.test19();
361 }
362 }
363 }