1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
|
/* Compile with:
for FILE in `seq 3`; do
clang -g -c X86/odr-fwd-declaration2.cpp -DFILE$FILE -o Inputs/odr-fwd-declaration2/$FILE.o
done
*/
// RUN: dsymutil -f -oso-prepend-path=%p/../Inputs/odr-fwd-declaration2 -y %p/dummy-debug-map.map -o - | llvm-dwarfdump -v -debug-info - | FileCheck %s
#ifdef FILE1
# 1 "Header.h" 1
struct A {
struct B;
B *bPtr;
B &bRef;
int B::*bPtrToField;
};
# 3 "Source1.cpp" 2
void foo() {
A *ptr1 = 0;
}
// First we confirm that bPtr, bRef and bPtrToField reference the forward
// declaration of the struct B.
//
// CHECK: DW_TAG_member
// CHECK-NOT: {{DW_TAG|NULL}}
// CHECK: AT_name{{.*}} "bPtr"
// CHECK-NOT: {{DW_TAG|NULL}}
// CHECK: AT_type{{.*}}0x{{0*}}[[PTR1:[a-f0-9]*]]
//
// CHECK: [[STRUCT1:[a-f0-9]*]]:{{.*}}TAG_structure_type
// CHECK-NOT: {{DW_TAG|NULL}}
// CHECK: AT_name{{.*}} "B"
// CHECK-NOT: AT_byte_size
// CHECK: DW_AT_declaration
//
// CHECK: DW_TAG_member
// CHECK: AT_name{{.*}} "bRef"
// CHECK-NOT: {{DW_TAG|NULL}}
// CHECK: AT_type{{.*}}0x{{0*}}[[REF1:[a-f0-9]*]]
//
// CHECK: TAG_member
// CHECK-NOT: {{DW_TAG|NULL}}
// CHECK: AT_name{{.*}} "bPtrToField"
// CHECK-NOT: {{DW_TAG|NULL}}
// CHECK: AT_type{{.*}}0x{{0*}}[[PTRTOMEMBER1:[a-f0-9]*]]
//
// CHECK: [[PTR1]]:{{.*}}TAG_pointer_type
// CHECK-NOT: {{DW_TAG|NULL}}
// CHECK: AT_type{{.*}}0x{{0*}}[[STRUCT1]]
//
// CHECK: [[REF1]]:{{.*}}TAG_reference_type
// CHECK-NOT: {{DW_TAG|NULL}}
// CHECK: AT_type{{.*}}0x{{0*}}[[STRUCT1]]
//
// CHECK: [[PTRTOMEMBER1]]:{{.*}}TAG_ptr_to_member_type
// CHECK-NOT: {{DW_TAG|NULL}}
// CHECK: AT_containing_type{{.*}}0x{{0*}}[[STRUCT1]]
#elif defined(FILE2)
# 1 "Header.h" 1
struct A {
struct B;
B *bPtr;
B &bRef;
int B::*bPtrToField;
};
# 3 "Source2.cpp" 2
struct A::B {
int x;
};
void bar() {
A *ptr2 = 0;
}
// Next we confirm that bPtr, bRef and bPtrToField reference the definition of
// B, rather than its declaration.
//
// CHECK: [[STRUCTA:[a-f0-9]*]]:{{.*}}TAG_structure_type
// CHECK-NOT: {{DW_TAG|NULL}}
// CHECK: AT_name{{.*}} "A"
// CHECK-NOT: AT_byte_size
// CHECK: DW_AT_byte_size
//
// CHECK: DW_TAG_member
// CHECK-NOT: {{DW_TAG|NULL}}
// CHECK: AT_name{{.*}} "bPtr"
// CHECK-NOT: {{DW_TAG|NULL}}
// CHECK: AT_type{{.*}}0x{{0*}}[[PTR2:[a-f0-9]*]]
//
// CHECK: [[STRUCT2:[a-f0-9]*]]:{{.*}}TAG_structure_type
// CHECK-NOT: {{DW_TAG|NULL}}
// CHECK: AT_name{{.*}} "B"
// CHECK-NOT: {{DW_TAG|NULL}}
// CHECK: DW_AT_byte_size
//
// CHECK: DW_TAG_member
// CHECK: AT_name{{.*}} "bRef"
// CHECK-NOT: {{DW_TAG|NULL}}
// CHECK: AT_type{{.*}}0x{{0*}}[[REF2:[a-f0-9]*]]
//
// CHECK: TAG_member
// CHECK-NOT: {{DW_TAG|NULL}}
// CHECK: AT_name{{.*}} "bPtrToField"
// CHECK-NOT: {{DW_TAG|NULL}}
// CHECK: AT_type{{.*}}0x{{0*}}[[PTRTOMEMBER2:[a-f0-9]*]]
//
// CHECK: [[PTR2]]:{{.*}}TAG_pointer_type
// CHECK-NOT: {{DW_TAG|NULL}}
// CHECK: AT_type{{.*}}0x{{0*}}[[STRUCT2]]
//
// CHECK: [[REF2]]:{{.*}}TAG_reference_type
// CHECK-NOT: {{DW_TAG|NULL}}
// CHECK: AT_type{{.*}}0x{{0*}}[[STRUCT2]]
//
// CHECK: [[PTRTOMEMBER2]]:{{.*}}TAG_ptr_to_member_type
// CHECK-NOT: {{DW_TAG|NULL}}
// CHECK: AT_containing_type{{.*}}0x{{0*}}[[STRUCT2:[a-f0-9]*]]
#elif defined(FILE3)
# 1 "Header.h" 1
struct A {
struct B;
B *bPtr;
B &bRef;
int B::*bPtrToField;
};
# 3 "Source2.cpp" 2
struct A::B {
int x;
};
void bar() {
A *ptr2 = 0;
}
// Finally we confirm that uniquing isn't broken by checking that further
// references to 'struct A' point to its now complete definition.
//
// CHECK: TAG_variable
// CHECK-NOT: {{DW_TAG|NULL}}
// CHECK: AT_name{{.*}} "ptr2"
// CHECK-NOT: {{DW_TAG|NULL}}
// CHECK: AT_type{{.*}}0x{{0*}}[[PTR3:[a-f0-9]*]]
//
// CHECK: [[PTR3]]:{{.*}}TAG_pointer_type
// CHECK-NOT: {{DW_TAG|NULL}}
// CHECK: AT_type{{.*}}0x{{0*}}[[STRUCTA]]
#else
#error "You must define which file you generate"
#endif
|
