temp-obj-dtors-cfg-output.cpp revision 9a4084dc06dc1b0033c461013bee3bae74be0555 
1// RUN: %clang_cc1 -analyze -cfg-dump -cfg-add-implicit-dtors -cfg-add-initializers %s 2>&1 | FileCheck %s
2// XPASS: *
3
4class A {
5public:
6  A() {}
7  ~A() {}
8
9  static A make() { return A(); }
10
11  operator bool() { return false; }
12  operator int() { return 0; }
13};
14
15class B {
16public:
17  B() {}
18  ~B() {}
19
20  operator bool() { return true; }
21  operator int() { return 1; }
22  operator A() { return A(); }
23};
24
25void foo(int);
26void foo(bool);
27void foo(const A&);
28
29void test_binary() {
30  int a = int(A()) + int(B());
31  foo(int(A()) + int(B()));
32  int b;
33}
34
35void test_and() {
36  bool a = A() && B();
37  foo(A() && B());
38  int b;
39}
40
41void test_or() {
42  bool a = A() || B();
43  foo(A() || B());
44  int b;
45}
46
47void test_cond() {
48  A a = B() ? A() : A(B());
49  if (B()) { foo(0); } else { foo(0); }
50  int b;
51}
52
53void test_cond_cref() {
54  const A& a = B() ? A() : A(B());
55  foo(B() ? A() : A(B()));
56  int b;
57}
58
59void test_cond_implicit() {
60  A a = A() ?: A();
61  int b;
62}
63
64void test_cond_implicit_cref() {
65  const A& a = A() ?: A();
66  foo(A() ?: A());
67  int b;
68}
69
70void test_copy_init() {
71  A a = A();
72  int b;
73}
74
75void test_cref_init() {
76  const A& a = A();
77  foo(A());
78  int b;
79}
80
81void test_call_copy_init() {
82  A a = A::make();
83  int b;
84}
85
86void test_call_cref_init() {
87  const A& a = A::make();
88  foo(A::make());
89  int b;
90}
91
92void test_assign() {
93  int a;
94  a = A();
95  int b;
96}
97
98class TestCtorInits {
99  int a;
100  int b;
101public:
102  TestCtorInits();
103};
104
105TestCtorInits::TestCtorInits()
106  : a(int(A()) + int(B()))
107  , b() {}
108
109// CHECK: [ B2 (ENTRY) ]
110// CHECK:    Predecessors (0):
111// CHECK:    Successors (1): B1
112// CHECK: [ B1 ]
113// CHECK:      1: A()
114// CHECK:      2: [B1.1].operator int()
115// CHECK:      3: B()
116// CHECK:      4: [B1.3].operator int()
117// CHECK:      5: int a = int(A().operator int()) + int(B().operator int());
118// CHECK:      6: ~B() (Temporary object destructor)
119// CHECK:      7: ~A() (Temporary object destructor)
120// CHECK:      8: A()
121// CHECK:      9: [B1.8].operator int()
122// CHECK:     10: B()
123// CHECK:     11: [B1.10].operator int()
124// CHECK:     12: foo(int([B1.9]) + int([B1.11]))
125// CHECK:     13: ~B() (Temporary object destructor)
126// CHECK:     14: ~A() (Temporary object destructor)
127// CHECK:     15: int b;
128// CHECK:    Predecessors (1): B2
129// CHECK:    Successors (1): B0
130// CHECK: [ B0 (EXIT) ]
131// CHECK:    Predecessors (1): B1
132// CHECK:    Successors (0):
133// CHECK: [ B10 (ENTRY) ]
134// CHECK:    Predecessors (0):
135// CHECK:    Successors (1): B8
136// CHECK: [ B1 ]
137// CHECK:      1: ~A() (Temporary object destructor)
138// CHECK:      2: int b;
139// CHECK:    Predecessors (2): B2 B3
140// CHECK:    Successors (1): B0
141// CHECK: [ B2 ]
142// CHECK:      1: ~B() (Temporary object destructor)
143// CHECK:    Predecessors (1): B3
144// CHECK:    Successors (1): B1
145// CHECK: [ B3 ]
146// CHECK:      1: [B4.3] && [B5.2]
147// CHECK:      2: foo([B3.1])
148// CHECK:      T: [B4.3] && ...
149// CHECK:    Predecessors (2): B5 B4
150// CHECK:    Successors (2): B2 B1
151// CHECK: [ B4 ]
152// CHECK:      1: ~A() (Temporary object destructor)
153// CHECK:      2: A()
154// CHECK:      3: [B4.2].operator _Bool()
155// CHECK:      T: [B4.3] && ...
156// CHECK:    Predecessors (2): B6 B7
157// CHECK:    Successors (2): B5 B3
158// CHECK: [ B5 ]
159// CHECK:      1: B()
160// CHECK:      2: [B5.1].operator _Bool()
161// CHECK:    Predecessors (1): B4
162// CHECK:    Successors (1): B3
163// CHECK: [ B6 ]
164// CHECK:      1: ~B() (Temporary object destructor)
165// CHECK:    Predecessors (1): B7
166// CHECK:    Successors (1): B4
167// CHECK: [ B7 ]
168// CHECK:      1: [B8.2] && [B9.2]
169// CHECK:      2: bool a = A().operator _Bool() && B().operator _Bool();
170// CHECK:      T: [B8.2] && ...
171// CHECK:    Predecessors (2): B9 B8
172// CHECK:    Successors (2): B6 B4
173// CHECK: [ B8 ]
174// CHECK:      1: A()
175// CHECK:      2: [B8.1].operator _Bool()
176// CHECK:      T: [B8.2] && ...
177// CHECK:    Predecessors (1): B10
178// CHECK:    Successors (2): B9 B7
179// CHECK: [ B9 ]
180// CHECK:      1: B()
181// CHECK:      2: [B9.1].operator _Bool()
182// CHECK:    Predecessors (1): B8
183// CHECK:    Successors (1): B7
184// CHECK: [ B0 (EXIT) ]
185// CHECK:    Predecessors (1): B1
186// CHECK:    Successors (0):
187// CHECK: [ B10 (ENTRY) ]
188// CHECK:    Predecessors (0):
189// CHECK:    Successors (1): B8
190// CHECK: [ B1 ]
191// CHECK:      1: ~A() (Temporary object destructor)
192// CHECK:      2: int b;
193// CHECK:    Predecessors (2): B2 B3
194// CHECK:    Successors (1): B0
195// CHECK: [ B2 ]
196// CHECK:      1: ~B() (Temporary object destructor)
197// CHECK:    Predecessors (1): B3
198// CHECK:    Successors (1): B1
199// CHECK: [ B3 ]
200// CHECK:      1: [B4.3] || [B5.2]
201// CHECK:      2: foo([B3.1])
202// CHECK:      T: [B4.3] || ...
203// CHECK:    Predecessors (2): B5 B4
204// CHECK:    Successors (2): B1 B2
205// CHECK: [ B4 ]
206// CHECK:      1: ~A() (Temporary object destructor)
207// CHECK:      2: A()
208// CHECK:      3: [B4.2].operator _Bool()
209// CHECK:      T: [B4.3] || ...
210// CHECK:    Predecessors (2): B6 B7
211// CHECK:    Successors (2): B3 B5
212// CHECK: [ B5 ]
213// CHECK:      1: B()
214// CHECK:      2: [B5.1].operator _Bool()
215// CHECK:    Predecessors (1): B4
216// CHECK:    Successors (1): B3
217// CHECK: [ B6 ]
218// CHECK:      1: ~B() (Temporary object destructor)
219// CHECK:    Predecessors (1): B7
220// CHECK:    Successors (1): B4
221// CHECK: [ B7 ]
222// CHECK:      1: [B8.2] || [B9.2]
223// CHECK:      2: bool a = A().operator _Bool() || B().operator _Bool();
224// CHECK:      T: [B8.2] || ...
225// CHECK:    Predecessors (2): B9 B8
226// CHECK:    Successors (2): B4 B6
227// CHECK: [ B8 ]
228// CHECK:      1: A()
229// CHECK:      2: [B8.1].operator _Bool()
230// CHECK:      T: [B8.2] || ...
231// CHECK:    Predecessors (1): B10
232// CHECK:    Successors (2): B7 B9
233// CHECK: [ B9 ]
234// CHECK:      1: B()
235// CHECK:      2: [B9.1].operator _Bool()
236// CHECK:    Predecessors (1): B8
237// CHECK:    Successors (1): B7
238// CHECK: [ B0 (EXIT) ]
239// CHECK:    Predecessors (1): B1
240// CHECK:    Successors (0):
241// CHECK: [ B11 (ENTRY) ]
242// CHECK:    Predecessors (0):
243// CHECK:    Successors (1): B10
244// CHECK: [ B1 ]
245// CHECK:      1: int b;
246// CHECK:      2: [B7.2].~A() (Implicit destructor)
247// CHECK:    Predecessors (2): B2 B3
248// CHECK:    Successors (1): B0
249// CHECK: [ B2 ]
250// CHECK:      1: foo(0)
251// CHECK:    Predecessors (1): B4
252// CHECK:    Successors (1): B1
253// CHECK: [ B3 ]
254// CHECK:      1: foo(0)
255// CHECK:    Predecessors (1): B4
256// CHECK:    Successors (1): B1
257// CHECK: [ B4 ]
258// CHECK:      1: ~B() (Temporary object destructor)
259// CHECK:      2: B()
260// CHECK:      3: [B4.2].operator _Bool()
261// CHECK:      4: ~B() (Temporary object destructor)
262// CHECK:      T: if [B4.3]
263// CHECK:    Predecessors (2): B5 B6
264// CHECK:    Successors (2): B3 B2
265// CHECK: [ B5 ]
266// CHECK:      1: ~A() (Temporary object destructor)
267// CHECK:    Predecessors (1): B7
268// CHECK:    Successors (1): B4
269// CHECK: [ B6 ]
270// CHECK:      1: ~A() (Temporary object destructor)
271// CHECK:      2: ~B() (Temporary object destructor)
272// CHECK:    Predecessors (1): B7
273// CHECK:    Successors (1): B4
274// CHECK: [ B7 ]
275// CHECK:      1: [B10.2] ? [B8.2] : [B9.3]
276// CHECK:      2: A a = B().operator _Bool() ? A() : A(B().operator A());
277// CHECK:      T: [B10.2] ? ... : ...
278// CHECK:    Predecessors (2): B8 B9
279// CHECK:    Successors (2): B5 B6
280// CHECK: [ B8 ]
281// CHECK:      1: A()
282// CHECK:      2: [B8.1] (BindTemporary)
283// CHECK:    Predecessors (1): B10
284// CHECK:    Successors (1): B7
285// CHECK: [ B9 ]
286// CHECK:      1: B()
287// CHECK:      2: [B9.1].operator A()
288// CHECK:      3: A([B9.2]) (BindTemporary)
289// CHECK:    Predecessors (1): B10
290// CHECK:    Successors (1): B7
291// CHECK: [ B10 ]
292// CHECK:      1: B()
293// CHECK:      2: [B10.1].operator _Bool()
294// CHECK:      T: [B10.2] ? ... : ...
295// CHECK:    Predecessors (1): B11
296// CHECK:    Successors (2): B8 B9
297// CHECK: [ B0 (EXIT) ]
298// CHECK:    Predecessors (1): B1
299// CHECK:    Successors (0):
300// CHECK: [ B14 (ENTRY) ]
301// CHECK:    Predecessors (0):
302// CHECK:    Successors (1): B13
303// CHECK: [ B1 ]
304// CHECK:      1: ~B() (Temporary object destructor)
305// CHECK:      2: int b;
306// CHECK:      3: [B10.2].~A() (Implicit destructor)
307// CHECK:    Predecessors (2): B2 B3
308// CHECK:    Successors (1): B0
309// CHECK: [ B2 ]
310// CHECK:      1: ~A() (Temporary object destructor)
311// CHECK:    Predecessors (1): B4
312// CHECK:    Successors (1): B1
313// CHECK: [ B3 ]
314// CHECK:      1: ~A() (Temporary object destructor)
315// CHECK:      2: ~B() (Temporary object destructor)
316// CHECK:    Predecessors (1): B4
317// CHECK:    Successors (1): B1
318// CHECK: [ B4 ]
319// CHECK:      1: [B7.3] ? [B5.2] : [B6.3]
320// CHECK:      2: foo([B4.1])
321// CHECK:      T: [B7.3] ? ... : ...
322// CHECK:    Predecessors (2): B5 B6
323// CHECK:    Successors (2): B2 B3
324// CHECK: [ B5 ]
325// CHECK:      1: A()
326// CHECK:      2: [B5.1] (BindTemporary)
327// CHECK:    Predecessors (1): B7
328// CHECK:    Successors (1): B4
329// CHECK: [ B6 ]
330// CHECK:      1: B()
331// CHECK:      2: [B6.1].operator A()
332// CHECK:      3: A([B6.2]) (BindTemporary)
333// CHECK:    Predecessors (1): B7
334// CHECK:    Successors (1): B4
335// CHECK: [ B7 ]
336// CHECK:      1: ~B() (Temporary object destructor)
337// CHECK:      2: B()
338// CHECK:      3: [B7.2].operator _Bool()
339// CHECK:      T: [B7.3] ? ... : ...
340// CHECK:    Predecessors (2): B8 B9
341// CHECK:    Successors (2): B5 B6
342// CHECK: [ B8 ]
343// CHECK:      1: ~A() (Temporary object destructor)
344// CHECK:    Predecessors (1): B10
345// CHECK:    Successors (1): B7
346// CHECK: [ B9 ]
347// CHECK:      1: ~A() (Temporary object destructor)
348// CHECK:      2: ~B() (Temporary object destructor)
349// CHECK:    Predecessors (1): B10
350// CHECK:    Successors (1): B7
351// CHECK: [ B10 ]
352// CHECK:      1: [B13.2] ? [B11.2] : [B12.3]
353// CHECK:      2: const A &a = B().operator _Bool() ? A() : A(B().operator A());
354// CHECK:      T: [B13.2] ? ... : ...
355// CHECK:    Predecessors (2): B11 B12
356// CHECK:    Successors (2): B8 B9
357// CHECK: [ B11 ]
358// CHECK:      1: A()
359// CHECK:      2: [B11.1] (BindTemporary)
360// CHECK:    Predecessors (1): B13
361// CHECK:    Successors (1): B10
362// CHECK: [ B12 ]
363// CHECK:      1: B()
364// CHECK:      2: [B12.1].operator A()
365// CHECK:      3: A([B12.2]) (BindTemporary)
366// CHECK:    Predecessors (1): B13
367// CHECK:    Successors (1): B10
368// CHECK: [ B13 ]
369// CHECK:      1: B()
370// CHECK:      2: [B13.1].operator _Bool()
371// CHECK:      T: [B13.2] ? ... : ...
372// CHECK:    Predecessors (1): B14
373// CHECK:    Successors (2): B11 B12
374// CHECK: [ B0 (EXIT) ]
375// CHECK:    Predecessors (1): B1
376// CHECK:    Successors (0):
377// CHECK: [ B6 (ENTRY) ]
378// CHECK:    Predecessors (0):
379// CHECK:    Successors (1): B5
380// CHECK: [ B1 ]
381// CHECK:      1: ~A() (Temporary object destructor)
382// CHECK:      2: int b;
383// CHECK:      3: [B3.2].~A() (Implicit destructor)
384// CHECK:    Predecessors (2): B3 B2
385// CHECK:    Successors (1): B0
386// CHECK: [ B2 ]
387// CHECK:      1: ~A() (Temporary object destructor)
388// CHECK:    Predecessors (1): B3
389// CHECK:    Successors (1): B1
390// CHECK: [ B3 ]
391// CHECK:      1: [B5.2] ?: [B4.2]
392// CHECK:      2: A a = A().operator _Bool() ?: A();
393// CHECK:      T: [B5.2] ? ... : ...
394// CHECK:    Predecessors (2): B5 B4
395// CHECK:    Successors (2): B1 B2
396// CHECK: [ B4 ]
397// CHECK:      1: A()
398// CHECK:      2: [B4.1] (BindTemporary)
399// CHECK:    Predecessors (1): B5
400// CHECK:    Successors (1): B3
401// CHECK: [ B5 ]
402// CHECK:      1: A()
403// CHECK:      2: [B5.1].operator _Bool()
404// CHECK:      T: [B5.2] ? ... : ...
405// CHECK:    Predecessors (1): B6
406// CHECK:    Successors (2): B3 B4
407// CHECK: [ B0 (EXIT) ]
408// CHECK:    Predecessors (1): B1
409// CHECK:    Successors (0):
410// CHECK: [ B10 (ENTRY) ]
411// CHECK:    Predecessors (0):
412// CHECK:    Successors (1): B9
413// CHECK: [ B1 ]
414// CHECK:      1: ~A() (Temporary object destructor)
415// CHECK:      2: int b;
416// CHECK:      3: [B7.2].~A() (Implicit destructor)
417// CHECK:    Predecessors (2): B3 B2
418// CHECK:    Successors (1): B0
419// CHECK: [ B2 ]
420// CHECK:      1: ~A() (Temporary object destructor)
421// CHECK:    Predecessors (1): B3
422// CHECK:    Successors (1): B1
423// CHECK: [ B3 ]
424// CHECK:      1: [B5.3] ?: [B4.2]
425// CHECK:      2: foo([B3.1])
426// CHECK:      T: [B5.3] ? ... : ...
427// CHECK:    Predecessors (2): B5 B4
428// CHECK:    Successors (2): B1 B2
429// CHECK: [ B4 ]
430// CHECK:      1: A()
431// CHECK:      2: [B4.1] (BindTemporary)
432// CHECK:    Predecessors (1): B5
433// CHECK:    Successors (1): B3
434// CHECK: [ B5 ]
435// CHECK:      1: ~A() (Temporary object destructor)
436// CHECK:      2: A()
437// CHECK:      3: [B5.2].operator _Bool()
438// CHECK:      T: [B5.3] ? ... : ...
439// CHECK:    Predecessors (2): B7 B6
440// CHECK:    Successors (2): B3 B4
441// CHECK: [ B6 ]
442// CHECK:      1: ~A() (Temporary object destructor)
443// CHECK:    Predecessors (1): B7
444// CHECK:    Successors (1): B5
445// CHECK: [ B7 ]
446// CHECK:      1: [B9.2] ?: [B8.2]
447// CHECK:      2: const A &a = A().operator _Bool() ?: A();
448// CHECK:      T: [B9.2] ? ... : ...
449// CHECK:    Predecessors (2): B9 B8
450// CHECK:    Successors (2): B5 B6
451// CHECK: [ B8 ]
452// CHECK:      1: A()
453// CHECK:      2: [B8.1] (BindTemporary)
454// CHECK:    Predecessors (1): B9
455// CHECK:    Successors (1): B7
456// CHECK: [ B9 ]
457// CHECK:      1: A()
458// CHECK:      2: [B9.1].operator _Bool()
459// CHECK:      T: [B9.2] ? ... : ...
460// CHECK:    Predecessors (1): B10
461// CHECK:    Successors (2): B7 B8
462// CHECK: [ B0 (EXIT) ]
463// CHECK:    Predecessors (1): B1
464// CHECK:    Successors (0):
465// CHECK: [ B2 (ENTRY) ]
466// CHECK:    Predecessors (0):
467// CHECK:    Successors (1): B1
468// CHECK: [ B1 ]
469// CHECK:      1: A()
470// CHECK:      2: A a = A();
471// CHECK:      3: ~A() (Temporary object destructor)
472// CHECK:      4: int b;
473// CHECK:      5: [B1.2].~A() (Implicit destructor)
474// CHECK:    Predecessors (1): B2
475// CHECK:    Successors (1): B0
476// CHECK: [ B0 (EXIT) ]
477// CHECK:    Predecessors (1): B1
478// CHECK:    Successors (0):
479// CHECK: [ B2 (ENTRY) ]
480// CHECK:    Predecessors (0):
481// CHECK:    Successors (1): B1
482// CHECK: [ B1 ]
483// CHECK:      1: A()
484// CHECK:      2: const A &a = A();
485// CHECK:      3: A()
486// CHECK:      4: foo([B1.3])
487// CHECK:      5: ~A() (Temporary object destructor)
488// CHECK:      6: int b;
489// CHECK:      7: [B1.2].~A() (Implicit destructor)
490// CHECK:    Predecessors (1): B2
491// CHECK:    Successors (1): B0
492// CHECK: [ B0 (EXIT) ]
493// CHECK:    Predecessors (1): B1
494// CHECK:    Successors (0):
495// CHECK: [ B2 (ENTRY) ]
496// CHECK:    Predecessors (0):
497// CHECK:    Successors (1): B1
498// CHECK: [ B1 ]
499// CHECK:      1: A::make()
500// CHECK:      2: A a = A::make();
501// CHECK:      3: ~A() (Temporary object destructor)
502// CHECK:      4: int b;
503// CHECK:      5: [B1.2].~A() (Implicit destructor)
504// CHECK:    Predecessors (1): B2
505// CHECK:    Successors (1): B0
506// CHECK: [ B0 (EXIT) ]
507// CHECK:    Predecessors (1): B1
508// CHECK:    Successors (0):
509// CHECK: [ B2 (ENTRY) ]
510// CHECK:    Predecessors (0):
511// CHECK:    Successors (1): B1
512// CHECK: [ B1 ]
513// CHECK:      1: A::make()
514// CHECK:      2: const A &a = A::make();
515// CHECK:      3: A::make()
516// CHECK:      4: foo([B1.3])
517// CHECK:      5: ~A() (Temporary object destructor)
518// CHECK:      6: int b;
519// CHECK:      7: [B1.2].~A() (Implicit destructor)
520// CHECK:    Predecessors (1): B2
521// CHECK:    Successors (1): B0
522// CHECK: [ B0 (EXIT) ]
523// CHECK:    Predecessors (1): B1
524// CHECK:    Successors (0):
525// CHECK: [ B2 (ENTRY) ]
526// CHECK:    Predecessors (0):
527// CHECK:    Successors (1): B1
528// CHECK: [ B1 ]
529// CHECK:      1: int a;
530// CHECK:      2: A()
531// CHECK:      3: [B1.2].operator int()
532// CHECK:      4: a = [B1.3]
533// CHECK:      5: ~A() (Temporary object destructor)
534// CHECK:      6: int b;
535// CHECK:    Predecessors (1): B2
536// CHECK:    Successors (1): B0
537// CHECK: [ B0 (EXIT) ]
538// CHECK:    Predecessors (1): B1
539// CHECK:    Successors (0):
540// CHECK: [ B2 (ENTRY) ]
541// CHECK:    Predecessors (0):
542// CHECK:    Successors (1): B1
543// CHECK: [ B1 ]
544// CHECK:      1: A()
545// CHECK:      2: [B1.1].operator int()
546// CHECK:      3: B()
547// CHECK:      4: [B1.3].operator int()
548// CHECK:      5: a(int([B1.2]) + int([B1.4])) (Member initializer)
549// CHECK:      6: ~B() (Temporary object destructor)
550// CHECK:      7: ~A() (Temporary object destructor)
551// CHECK:      8: b(/*implicit*/int()) (Member initializer)
552// CHECK:    Predecessors (1): B2
553// CHECK:    Successors (1): B0
554// CHECK: [ B0 (EXIT) ]
555// CHECK:    Predecessors (1): B1
556// CHECK:    Successors (0):
557