auto-obj-dtors-cfg-output.cpp revision fcb72ac985c26372315fabc08d43d6f66ff906b4 
1// RUN: %clang_cc1 -analyze -cfg-dump -cfg-add-implicit-dtors %s 2>&1 | FileCheck %s
2// XPASS: *
3
4class A {
5public:
6  A() {}
7  ~A() {}
8  operator int() const { return 1; }
9};
10
11extern const bool UV;
12
13void test_const_ref() {
14  A a;
15  const A& b = a;
16  const A& c = A();
17}
18
19void test_scope() {
20  A a;
21  { A c;
22    A d;
23  }
24  A b;
25}
26
27void test_return() {
28  A a;
29  A b;
30  if (UV) return;
31  A c;
32}
33
34void test_goto() {
35  A a;
36l0:
37  A b;
38  { A a;
39    if (UV) goto l0;
40    if (UV) goto l1;
41    A b;
42  }
43l1:
44  A c;
45}
46
47// CHECK:  [ B2 (ENTRY) ]
48// CHECK:     Predecessors (0):
49// CHECK:     Successors (1): B1
50// CHECK:  [ B1 ]
51// CHECK:       1: A a;
52// CHECK:       2: const A &b = a;
53// CHECK:       3: const A &c = A();
54// CHECK:       4: [B1.3].~A() (Implicit destructor)
55// CHECK:       5: [B1.1].~A() (Implicit destructor)
56// CHECK:     Predecessors (1): B2
57// CHECK:     Successors (1): B0
58// CHECK:  [ B0 (EXIT) ]
59// CHECK:     Predecessors (1): B1
60// CHECK:     Successors (0):
61// CHECK:  [ B2 (ENTRY) ]
62// CHECK:     Predecessors (0):
63// CHECK:     Successors (1): B1
64// CHECK:  [ B1 ]
65// CHECK:       1: A a;
66// CHECK:       2: A c;
67// CHECK:       3: A d;
68// CHECK:       4: [B1.3].~A() (Implicit destructor)
69// CHECK:       5: [B1.2].~A() (Implicit destructor)
70// CHECK:       6: A b;
71// CHECK:       7: [B1.6].~A() (Implicit destructor)
72// CHECK:       8: [B1.1].~A() (Implicit destructor)
73// CHECK:     Predecessors (1): B2
74// CHECK:     Successors (1): B0
75// CHECK:  [ B0 (EXIT) ]
76// CHECK:     Predecessors (1): B1
77// CHECK:     Successors (0):
78// CHECK:  [ B4 (ENTRY) ]
79// CHECK:     Predecessors (0):
80// CHECK:     Successors (1): B3
81// CHECK:  [ B1 ]
82// CHECK:       1: A c;
83// CHECK:       2: [B1.1].~A() (Implicit destructor)
84// CHECK:       3: [B3.2].~A() (Implicit destructor)
85// CHECK:       4: [B3.1].~A() (Implicit destructor)
86// CHECK:     Predecessors (1): B3
87// CHECK:     Successors (1): B0
88// CHECK:  [ B2 ]
89// CHECK:       1: return;
90// CHECK:       2: [B3.2].~A() (Implicit destructor)
91// CHECK:       3: [B3.1].~A() (Implicit destructor)
92// CHECK:     Predecessors (1): B3
93// CHECK:     Successors (1): B0
94// CHECK:  [ B3 ]
95// CHECK:       1: A a;
96// CHECK:       2: A b;
97// CHECK:       3: UV
98// CHECK:       T: if [B3.3]
99// CHECK:     Predecessors (1): B4
100// CHECK:     Successors (2): B2 B1
101// CHECK:  [ B0 (EXIT) ]
102// CHECK:     Predecessors (2): B1 B2
103// CHECK:     Successors (0):
104// CHECK:  [ B8 (ENTRY) ]
105// CHECK:     Predecessors (0):
106// CHECK:     Successors (1): B7
107// CHECK:  [ B1 ]
108// CHECK:     l1:
109// CHECK:       1: A c;
110// CHECK:       2: [B1.1].~A() (Implicit destructor)
111// CHECK:       3: [B6.1].~A() (Implicit destructor)
112// CHECK:       4: [B7.1].~A() (Implicit destructor)
113// CHECK:     Predecessors (2): B2 B3
114// CHECK:     Successors (1): B0
115// CHECK:  [ B2 ]
116// CHECK:       1: A b;
117// CHECK:       2: [B2.1].~A() (Implicit destructor)
118// CHECK:       3: [B6.2].~A() (Implicit destructor)
119// CHECK:     Predecessors (1): B4
120// CHECK:     Successors (1): B1
121// CHECK:  [ B3 ]
122// CHECK:       1: [B6.2].~A() (Implicit destructor)
123// CHECK:       T: goto l1;
124// CHECK:     Predecessors (1): B4
125// CHECK:     Successors (1): B1
126// CHECK:  [ B4 ]
127// CHECK:       1: UV
128// CHECK:       T: if [B4.1]
129// CHECK:     Predecessors (1): B6
130// CHECK:     Successors (2): B3 B2
131// CHECK:  [ B5 ]
132// CHECK:       1: [B6.2].~A() (Implicit destructor)
133// CHECK:       2: [B6.1].~A() (Implicit destructor)
134// CHECK:       T: goto l0;
135// CHECK:     Predecessors (1): B6
136// CHECK:     Successors (1): B6
137// CHECK:  [ B6 ]
138// CHECK:     l0:
139// CHECK:       1: A b;
140// CHECK:       2: A a;
141// CHECK:       3: UV
142// CHECK:       T: if [B6.3]
143// CHECK:     Predecessors (2): B7 B5
144// CHECK:     Successors (2): B5 B4
145// CHECK:  [ B7 ]
146// CHECK:       1: A a;
147// CHECK:     Predecessors (1): B8
148// CHECK:     Successors (1): B6
149// CHECK:  [ B0 (EXIT) ]
150// CHECK:     Predecessors (1): B1
151// CHECK:     Successors (0):
152