1 /*
  2  * Copyright (c) 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 import jdk.incubator.code.Reflect;
 25 import java.util.List;
 26 
 27 /*
 28  * @test
 29  * @summary Smoke test for non-denotable types in IR type descriptors
 30  * @modules jdk.incubator.code
 31  * @build DenotableTypesTest
 32  * @build CodeReflectionTester
 33  * @run main CodeReflectionTester DenotableTypesTest
 34  */
 35 
 36 public class DenotableTypesTest {
 37     static <X extends Number & Runnable> X m1(X x) { return null; }
 38     @Reflect
 39     @IR("""
 40             func @"test1" ()java.type:"void" -> {
 41                 %0 : java.type:"java.lang.Number" = constant @null;
 42                 %1 : java.type:"java.lang.Number" = invoke %0 @java.ref:"DenotableTypesTest::m1(java.lang.Number):java.lang.Number";
 43                 return;
 44             };
 45             """)
 46     static void test1() {
 47         m1(null);
 48     }
 49 
 50     @Reflect
 51     @IR("""
 52             func @"test2" ()java.type:"void" -> {
 53                 %0 : java.type:"int" = constant @1;
 54                 %1 : java.type:"java.lang.Integer" = invoke %0 @java.ref:"java.lang.Integer::valueOf(int):java.lang.Integer";
 55                 %2 : java.type:"double" = constant @3.0d;
 56                 %3 : java.type:"java.lang.Double" = invoke %2 @java.ref:"java.lang.Double::valueOf(double):java.lang.Double";
 57                 %4 : java.type:"java.util.List<? extends java.lang.Number>" = invoke %1 %3 @java.ref:"java.util.List::of(java.lang.Object, java.lang.Object):java.util.List";
 58                 return;
 59             };
 60             """)
 61     static void test2() {
 62         List.of(1, 3d); // infinite type! (List<Object & Serializable & Comparable<...>>)
 63     }
 64 
 65     static <X extends Throwable> X m2(X x) throws X { return null; }
 66 
 67     @Reflect
 68     @IR("""
 69             func @"test3" ()java.type:"void" -> {
 70                 %0 : java.type:"java.lang.RuntimeException" = constant @null;
 71                 %1 : java.type:"java.lang.RuntimeException" = invoke %0 @java.ref:"DenotableTypesTest::m2(java.lang.Throwable):java.lang.Throwable";
 72                 return;
 73             };
 74             """)
 75     static void test3() { // @@@ cast?
 76         m2(null);
 77     }
 78 
 79     interface A { }
 80     interface B { }
 81     static class C implements A, B { }
 82     static class D implements A, B { }
 83 
 84     static <Z> Z pick(Z z1, Z z2) { return null; }
 85 
 86     @Reflect
 87     @IR("""
 88             func @"test4" ()java.type:"void" -> {
 89                 %0 : java.type:"java.lang.Object" = constant @null;
 90                 %1 : java.type:"DenotableTypesTest$C" = cast %0 @java.type:"DenotableTypesTest$C";
 91                 %2 : java.type:"java.lang.Object" = constant @null;
 92                 %3 : java.type:"DenotableTypesTest$D" = cast %2 @java.type:"DenotableTypesTest$D";
 93                 %4 : java.type:"DenotableTypesTest$A" = invoke %1 %3 @java.ref:"DenotableTypesTest::pick(java.lang.Object, java.lang.Object):java.lang.Object";
 94                 return;
 95             };
 96             """)
 97     static void test4() { // @@@ cast?
 98         pick((C)null, (D)null);
 99     }
100 
101     @Reflect
102     @IR("""
103             func @"test5" ()java.type:"void" -> {
104                 %0 : java.type:"java.util.List<? extends java.lang.Number>" = constant @null;
105                 %1 : Var<java.type:"java.util.List<? extends java.lang.Number>"> = var %0 @"l";
106                 %2 : java.type:"java.util.List<? extends java.lang.Number>" = var.load %1;
107                 %3 : java.type:"int" = constant @0;
108                 %4 : java.type:"java.lang.Number" = invoke %2 %3 @java.ref:"java.util.List::get(int):java.lang.Object";
109                 return;
110             };
111             """)
112     static void test5() { // @@@ cast?
113         List<? extends Number> l = null;
114         l.get(0);
115     }
116 
117     @Reflect
118     @IR("""
119             func @"test6" ()java.type:"void" -> {
120                 %0 : java.type:"java.util.List<? super java.lang.Number>" = constant @null;
121                 %1 : Var<java.type:"java.util.List<? super java.lang.Number>"> = var %0 @"l";
122                 %2 : java.type:"java.util.List<? super java.lang.Number>" = var.load %1;
123                 %3 : java.type:"int" = constant @0;
124                 %4 : java.type:"java.lang.Object" = invoke %2 %3 @java.ref:"java.util.List::get(int):java.lang.Object";
125                 return;
126             };
127             """)
128     static void test6() {
129         List<? super Number> l = null;
130         l.get(0);
131     }
132 
133     static void consume(Runnable r) { }
134 
135     @Reflect
136     @IR("""
137             func @"test7" ()java.type:"void" -> {
138                 %0 : java.type:"&DenotableTypesTest::test7():void::<X>" = constant @null;
139                 %1 : Var<java.type:"&DenotableTypesTest::test7():void::<X>"> = var %0 @"x";
140                 %2 : java.type:"&DenotableTypesTest::test7():void::<X>" = var.load %1;
141                 %3 : java.type:"java.lang.Runnable" = cast %2 @java.type:"java.lang.Runnable";
142                 invoke %3 @java.ref:"DenotableTypesTest::consume(java.lang.Runnable):void";
143                 return;
144             };
145             """)
146     static <X extends Object & Runnable> void test7() {
147         X x = null;
148         consume(x);
149     }
150 
151     interface Adder<X> {
152         void add(Adder<X> adder);
153     }
154 
155     @Reflect
156     @IR("""
157             func @"test8" (%0 : java.type:"java.util.List<? extends DenotableTypesTest$Adder<java.lang.Integer>>")java.type:"void" -> {
158                 %1 : Var<java.type:"java.util.List<? extends DenotableTypesTest$Adder<java.lang.Integer>>"> = var %0 @"list";
159                 %2 : java.type:"java.util.List<? extends DenotableTypesTest$Adder<java.lang.Integer>>" = var.load %1;
160                 %3 : java.type:"int" = constant @0;
161                 %4 : java.type:"DenotableTypesTest$Adder<java.lang.Integer>" = invoke %2 %3 @java.ref:"java.util.List::get(int):java.lang.Object";
162                 %5 : java.type:"java.util.List<? extends DenotableTypesTest$Adder<java.lang.Integer>>" = var.load %1;
163                 %6 : java.type:"int" = constant @1;
164                 %7 : java.type:"DenotableTypesTest$Adder<java.lang.Integer>" = invoke %5 %6 @java.ref:"java.util.List::get(int):java.lang.Object";
165                 invoke %4 %7 @java.ref:"DenotableTypesTest$Adder::add(DenotableTypesTest$Adder):void";
166                 return;
167             };
168             """)
169     static void test8(List<? extends Adder<Integer>> list) {
170         list.get(0).add(list.get(1));
171     }
172 
173     static class Box<X> {
174         X x;
175     }
176 
177     @Reflect
178     @IR("""
179             func @"test9" (%0 : java.type:"java.util.List<? extends DenotableTypesTest$Box<java.lang.Integer>>")java.type:"void" -> {
180                 %1 : Var<java.type:"java.util.List<? extends DenotableTypesTest$Box<java.lang.Integer>>"> = var %0 @"list";
181                 %2 : java.type:"java.util.List<? extends DenotableTypesTest$Box<java.lang.Integer>>" = var.load %1;
182                 %3 : java.type:"int" = constant @0;
183                 %4 : java.type:"DenotableTypesTest$Box<java.lang.Integer>" = invoke %2 %3 @java.ref:"java.util.List::get(int):java.lang.Object";
184                 %5 : java.type:"java.lang.Integer" = field.load %4 @java.ref:"DenotableTypesTest$Box::x:java.lang.Object";
185                 %6 : Var<java.type:"java.lang.Integer"> = var %5 @"i";
186                 return;
187             };
188             """)
189     static void test9(List<? extends Box<Integer>> list) {
190         Integer i = list.get(0).x;
191     }
192 
193     interface E {
194         void m();
195     }
196 
197     static class XA extends Exception implements E {
198         public void m() { }
199     }
200 
201     static class XB extends Exception implements E {
202         public void m() { }
203     }
204 
205     static void g() throws XA, XB { }
206 
207     @Reflect
208     @IR("""
209             func @"test10" ()java.type:"void" -> {
210                 java.try
211                     ()java.type:"void" -> {
212                         invoke @java.ref:"DenotableTypesTest::g():void";
213                         yield;
214                     }
215                     (%0 : java.type:"java.lang.Exception")java.type:"void" -> {
216                         %1 : Var<java.type:"java.lang.Exception"> = var %0 @"x";
217                         %2 : java.type:"java.lang.Exception" = var.load %1;
218                         %3 : java.type:"DenotableTypesTest$E" = cast %2 @java.type:"DenotableTypesTest$E";
219                         invoke %3 @java.ref:"DenotableTypesTest$E::m():void";
220                         yield;
221                     };
222                 return;
223             };
224             """)
225     static void test10() {
226         try {
227             g();
228         } catch (XA | XB x) {
229             x.m();
230         }
231     }
232 
233     static <Z> List<Z> pickInv(Z z1, Z z2) { return null; }
234     static <Z> List<? extends Z> pickExt(Z z1, Z z2) { return null; }
235     static <Z> List<? super Z> pickSup(Z z1, Z z2) { return null; }
236 
237     // test intersections
238 
239     @Reflect
240     @IR("""
241             func @"test11" ()java.type:"void" -> {
242                 %0 : java.type:"java.lang.Object" = constant @null;
243                 %1 : java.type:"DenotableTypesTest$C" = cast %0 @java.type:"DenotableTypesTest$C";
244                 %2 : java.type:"java.lang.Object" = constant @null;
245                 %3 : java.type:"DenotableTypesTest$D" = cast %2 @java.type:"DenotableTypesTest$D";
246                 %4 : java.type:"java.util.List<? extends DenotableTypesTest$A>" = invoke %1 %3 @java.ref:"DenotableTypesTest::pickInv(java.lang.Object, java.lang.Object):java.util.List";
247                 return;
248             };
249             """)
250     static void test11() {
251         pickInv((C)null, (D)null);
252     }
253 
254     @Reflect
255     @IR("""
256             func @"test12" ()java.type:"void" -> {
257                 %0 : java.type:"java.lang.Object" = constant @null;
258                 %1 : java.type:"DenotableTypesTest$C" = cast %0 @java.type:"DenotableTypesTest$C";
259                 %2 : java.type:"java.lang.Object" = constant @null;
260                 %3 : java.type:"DenotableTypesTest$D" = cast %2 @java.type:"DenotableTypesTest$D";
261                 %4 : java.type:"java.util.List<? extends DenotableTypesTest$A>" = invoke %1 %3 @java.ref:"DenotableTypesTest::pickExt(java.lang.Object, java.lang.Object):java.util.List";
262                 return;
263             };
264             """)
265     static void test12() {
266         pickExt((C)null, (D)null);
267     }
268 
269     @Reflect
270     @IR("""
271             func @"test13" ()java.type:"void" -> {
272                 %0 : java.type:"java.lang.Object" = constant @null;
273                 %1 : java.type:"DenotableTypesTest$C" = cast %0 @java.type:"DenotableTypesTest$C";
274                 %2 : java.type:"java.lang.Object" = constant @null;
275                 %3 : java.type:"DenotableTypesTest$D" = cast %2 @java.type:"DenotableTypesTest$D";
276                 %4 : java.type:"java.util.List<?>" = invoke %1 %3 @java.ref:"DenotableTypesTest::pickSup(java.lang.Object, java.lang.Object):java.util.List";
277                 return;
278             };
279             """)
280     static void test13() {
281         pickSup((C)null, (D)null);
282     }
283 
284     static <Z> List<Z[]> pickInvArr(Z z1, Z z2) { return null; }
285     static <Z> List<? extends Z[]> pickExtArr(Z z1, Z z2) { return null; }
286     static <Z> List<? super Z[]> pickSupArr(Z z1, Z z2) { return null; }
287 
288     // test arrays of intersections
289 
290     @Reflect
291     @IR("""
292             func @"test14" ()java.type:"void" -> {
293                 %0 : java.type:"java.lang.Object" = constant @null;
294                 %1 : java.type:"DenotableTypesTest$C" = cast %0 @java.type:"DenotableTypesTest$C";
295                 %2 : java.type:"java.lang.Object" = constant @null;
296                 %3 : java.type:"DenotableTypesTest$D" = cast %2 @java.type:"DenotableTypesTest$D";
297                 %4 : java.type:"java.util.List<? extends DenotableTypesTest$A[]>" = invoke %1 %3 @java.ref:"DenotableTypesTest::pickInvArr(java.lang.Object, java.lang.Object):java.util.List";
298                 return;
299             };
300             """)
301     static void test14() {
302         pickInvArr((C)null, (D)null);
303     }
304 
305     @Reflect
306     @IR("""
307             func @"test15" ()java.type:"void" -> {
308                 %0 : java.type:"java.lang.Object" = constant @null;
309                 %1 : java.type:"DenotableTypesTest$C" = cast %0 @java.type:"DenotableTypesTest$C";
310                 %2 : java.type:"java.lang.Object" = constant @null;
311                 %3 : java.type:"DenotableTypesTest$D" = cast %2 @java.type:"DenotableTypesTest$D";
312                 %4 : java.type:"java.util.List<? extends DenotableTypesTest$A[]>" = invoke %1 %3 @java.ref:"DenotableTypesTest::pickExtArr(java.lang.Object, java.lang.Object):java.util.List";
313                 return;
314             };
315             """)
316     static void test15() {
317         pickExtArr((C)null, (D)null);
318     }
319 
320     @Reflect
321     @IR("""
322             func @"test16" ()java.type:"void" -> {
323                 %0 : java.type:"java.lang.Object" = constant @null;
324                 %1 : java.type:"DenotableTypesTest$C" = cast %0 @java.type:"DenotableTypesTest$C";
325                 %2 : java.type:"java.lang.Object" = constant @null;
326                 %3 : java.type:"DenotableTypesTest$D" = cast %2 @java.type:"DenotableTypesTest$D";
327                 %4 : java.type:"java.util.List<?>" = invoke %1 %3 @java.ref:"DenotableTypesTest::pickSupArr(java.lang.Object, java.lang.Object):java.util.List";
328                 return;
329             };
330             """)
331     static void test16() {
332         pickSupArr((C)null, (D)null);
333     }
334 
335     interface F<X> { }
336     interface G<X> { }
337     static class H<X> implements F<X>, G<X> { }
338     static class I<X> implements F<X>, G<X> { }
339 
340     static <Z> H<Z> pickH(Z z1, Z z2) { return null; }
341     static <Z> I<Z> pickI(Z z1, Z z2) { return null; }
342 
343     // test intersections of intersections
344 
345     @Reflect
346     @IR("""
347             func @"test17" ()java.type:"void" -> {
348                 %0 : java.type:"java.lang.Object" = constant @null;
349                 %1 : java.type:"DenotableTypesTest$C" = cast %0 @java.type:"DenotableTypesTest$C";
350                 %2 : java.type:"java.lang.Object" = constant @null;
351                 %3 : java.type:"DenotableTypesTest$D" = cast %2 @java.type:"DenotableTypesTest$D";
352                 %4 : java.type:"DenotableTypesTest$H<? extends DenotableTypesTest$A>" = invoke %1 %3 @java.ref:"DenotableTypesTest::pickH(java.lang.Object, java.lang.Object):DenotableTypesTest$H";
353                 %5 : Var<java.type:"DenotableTypesTest$H<? extends DenotableTypesTest$A>"> = var %4 @"fst";
354                 %6 : java.type:"java.lang.Object" = constant @null;
355                 %7 : java.type:"DenotableTypesTest$C" = cast %6 @java.type:"DenotableTypesTest$C";
356                 %8 : java.type:"java.lang.Object" = constant @null;
357                 %9 : java.type:"DenotableTypesTest$D" = cast %8 @java.type:"DenotableTypesTest$D";
358                 %10 : java.type:"DenotableTypesTest$I<? extends DenotableTypesTest$A>" = invoke %7 %9 @java.ref:"DenotableTypesTest::pickI(java.lang.Object, java.lang.Object):DenotableTypesTest$I";
359                 %11 : Var<java.type:"DenotableTypesTest$I<? extends DenotableTypesTest$A>"> = var %10 @"snd";
360                 %12 : java.type:"DenotableTypesTest$H<? extends DenotableTypesTest$A>" = var.load %5;
361                 %13 : java.type:"DenotableTypesTest$I<? extends DenotableTypesTest$A>" = var.load %11;
362                 %14 : java.type:"java.util.List<? extends DenotableTypesTest$F<? extends DenotableTypesTest$A>>" = invoke %12 %13 @java.ref:"DenotableTypesTest::pickInv(java.lang.Object, java.lang.Object):java.util.List";
363                 return;
364             };
365             """)
366     static void test17() {
367         var fst = pickH((C)null, (D)null);
368         var snd = pickI((C)null, (D)null);
369         pickInv(fst, snd);
370     }
371 
372     @Reflect
373     @IR("""
374             func @"test18" ()java.type:"void" -> {
375                 %0 : java.type:"java.lang.Object" = constant @null;
376                 %1 : java.type:"DenotableTypesTest$C" = cast %0 @java.type:"DenotableTypesTest$C";
377                 %2 : java.type:"java.lang.Object" = constant @null;
378                 %3 : java.type:"DenotableTypesTest$D" = cast %2 @java.type:"DenotableTypesTest$D";
379                 %4 : java.type:"DenotableTypesTest$H<? extends DenotableTypesTest$A>" = invoke %1 %3 @java.ref:"DenotableTypesTest::pickH(java.lang.Object, java.lang.Object):DenotableTypesTest$H";
380                 %5 : Var<java.type:"DenotableTypesTest$H<? extends DenotableTypesTest$A>"> = var %4 @"fst";
381                 %6 : java.type:"java.lang.Object" = constant @null;
382                 %7 : java.type:"DenotableTypesTest$C" = cast %6 @java.type:"DenotableTypesTest$C";
383                 %8 : java.type:"java.lang.Object" = constant @null;
384                 %9 : java.type:"DenotableTypesTest$D" = cast %8 @java.type:"DenotableTypesTest$D";
385                 %10 : java.type:"DenotableTypesTest$I<? extends DenotableTypesTest$A>" = invoke %7 %9 @java.ref:"DenotableTypesTest::pickI(java.lang.Object, java.lang.Object):DenotableTypesTest$I";
386                 %11 : Var<java.type:"DenotableTypesTest$I<? extends DenotableTypesTest$A>"> = var %10 @"snd";
387                 %12 : java.type:"DenotableTypesTest$H<? extends DenotableTypesTest$A>" = var.load %5;
388                 %13 : java.type:"DenotableTypesTest$I<? extends DenotableTypesTest$A>" = var.load %11;
389                 %14 : java.type:"java.util.List<? extends DenotableTypesTest$F<? extends DenotableTypesTest$A>>" = invoke %12 %13 @java.ref:"DenotableTypesTest::pickExt(java.lang.Object, java.lang.Object):java.util.List";
390                 return;
391             };
392             """)
393     static void test18() {
394         var fst = pickH((C)null, (D)null);
395         var snd = pickI((C)null, (D)null);
396         pickExt(fst, snd);
397     }
398 
399     @Reflect
400     @IR("""
401             func @"test19" ()java.type:"void" -> {
402                 %0 : java.type:"java.lang.Object" = constant @null;
403                 %1 : java.type:"DenotableTypesTest$C" = cast %0 @java.type:"DenotableTypesTest$C";
404                 %2 : java.type:"java.lang.Object" = constant @null;
405                 %3 : java.type:"DenotableTypesTest$D" = cast %2 @java.type:"DenotableTypesTest$D";
406                 %4 : java.type:"DenotableTypesTest$H<? extends DenotableTypesTest$A>" = invoke %1 %3 @java.ref:"DenotableTypesTest::pickH(java.lang.Object, java.lang.Object):DenotableTypesTest$H";
407                 %5 : Var<java.type:"DenotableTypesTest$H<? extends DenotableTypesTest$A>"> = var %4 @"fst";
408                 %6 : java.type:"java.lang.Object" = constant @null;
409                 %7 : java.type:"DenotableTypesTest$C" = cast %6 @java.type:"DenotableTypesTest$C";
410                 %8 : java.type:"java.lang.Object" = constant @null;
411                 %9 : java.type:"DenotableTypesTest$D" = cast %8 @java.type:"DenotableTypesTest$D";
412                 %10 : java.type:"DenotableTypesTest$I<? extends DenotableTypesTest$A>" = invoke %7 %9 @java.ref:"DenotableTypesTest::pickI(java.lang.Object, java.lang.Object):DenotableTypesTest$I";
413                 %11 : Var<java.type:"DenotableTypesTest$I<? extends DenotableTypesTest$A>"> = var %10 @"snd";
414                 %12 : java.type:"DenotableTypesTest$H<? extends DenotableTypesTest$A>" = var.load %5;
415                 %13 : java.type:"DenotableTypesTest$I<? extends DenotableTypesTest$A>" = var.load %11;
416                 %14 : java.type:"java.util.List<?>" = invoke %12 %13 @java.ref:"DenotableTypesTest::pickSup(java.lang.Object, java.lang.Object):java.util.List";
417                 return;
418             };
419             """)
420     static void test19() {
421         var fst = pickH((C)null, (D)null);
422         var snd = pickI((C)null, (D)null);
423         pickSup(fst, snd);
424     }
425 }