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1 /* Compile with:
2    for FILE in `seq 3`; do
3      clang -g -c  X86/odr-fwd-declaration2.cpp -DFILE$FILE -o Inputs/odr-fwd-declaration2/$FILE.o
4    done
5  */
6 
7 // 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
8 
9 #ifdef FILE1
10 # 1 "Header.h" 1
11 struct A {
12   struct B;
13   B *bPtr;
14   B &bRef;
15   int B::*bPtrToField;
16 };
17 # 3 "Source1.cpp" 2
foo()18 void foo() {
19   A *ptr1 = 0;
20 }
21 
22 // First we confirm that bPtr, bRef and bPtrToField reference the forward
23 // declaration of the struct B.
24 //
25 // CHECK: DW_TAG_member
26 // CHECK-NOT: {{DW_TAG|NULL}}
27 // CHECK: AT_name{{.*}} "bPtr"
28 // CHECK-NOT: {{DW_TAG|NULL}}
29 // CHECK: AT_type{{.*}}0x{{0*}}[[PTR1:[a-f0-9]*]]
30 //
31 // CHECK: [[STRUCT1:[a-f0-9]*]]:{{.*}}TAG_structure_type
32 // CHECK-NOT: {{DW_TAG|NULL}}
33 // CHECK: AT_name{{.*}} "B"
34 // CHECK-NOT: AT_byte_size
35 // CHECK: DW_AT_declaration
36 //
37 // CHECK: DW_TAG_member
38 // CHECK: AT_name{{.*}} "bRef"
39 // CHECK-NOT: {{DW_TAG|NULL}}
40 // CHECK: AT_type{{.*}}0x{{0*}}[[REF1:[a-f0-9]*]]
41 //
42 // CHECK: TAG_member
43 // CHECK-NOT: {{DW_TAG|NULL}}
44 // CHECK: AT_name{{.*}} "bPtrToField"
45 // CHECK-NOT: {{DW_TAG|NULL}}
46 // CHECK: AT_type{{.*}}0x{{0*}}[[PTRTOMEMBER1:[a-f0-9]*]]
47 //
48 // CHECK: [[PTR1]]:{{.*}}TAG_pointer_type
49 // CHECK-NOT: {{DW_TAG|NULL}}
50 // CHECK: AT_type{{.*}}0x{{0*}}[[STRUCT1]]
51 //
52 // CHECK: [[REF1]]:{{.*}}TAG_reference_type
53 // CHECK-NOT: {{DW_TAG|NULL}}
54 // CHECK: AT_type{{.*}}0x{{0*}}[[STRUCT1]]
55 //
56 // CHECK: [[PTRTOMEMBER1]]:{{.*}}TAG_ptr_to_member_type
57 // CHECK-NOT: {{DW_TAG|NULL}}
58 // CHECK: AT_containing_type{{.*}}0x{{0*}}[[STRUCT1]]
59 
60 #elif defined(FILE2)
61 # 1 "Header.h" 1
62 struct A {
63   struct B;
64   B *bPtr;
65   B &bRef;
66   int B::*bPtrToField;
67 };
68 # 3 "Source2.cpp" 2
69 struct A::B {
70   int x;
71 };
bar()72 void bar() {
73   A *ptr2 = 0;
74 }
75 
76 // Next we confirm that bPtr, bRef and bPtrToField reference the definition of
77 // B, rather than its declaration.
78 //
79 // CHECK: [[STRUCTA:[a-f0-9]*]]:{{.*}}TAG_structure_type
80 // CHECK-NOT: {{DW_TAG|NULL}}
81 // CHECK: AT_name{{.*}} "A"
82 // CHECK-NOT: AT_byte_size
83 // CHECK: DW_AT_byte_size
84 //
85 // CHECK: DW_TAG_member
86 // CHECK-NOT: {{DW_TAG|NULL}}
87 // CHECK: AT_name{{.*}} "bPtr"
88 // CHECK-NOT: {{DW_TAG|NULL}}
89 // CHECK: AT_type{{.*}}0x{{0*}}[[PTR2:[a-f0-9]*]]
90 //
91 // CHECK: [[STRUCT2:[a-f0-9]*]]:{{.*}}TAG_structure_type
92 // CHECK-NOT: {{DW_TAG|NULL}}
93 // CHECK: AT_name{{.*}} "B"
94 // CHECK-NOT: {{DW_TAG|NULL}}
95 // CHECK: DW_AT_byte_size
96 //
97 // CHECK: DW_TAG_member
98 // CHECK: AT_name{{.*}} "bRef"
99 // CHECK-NOT: {{DW_TAG|NULL}}
100 // CHECK: AT_type{{.*}}0x{{0*}}[[REF2:[a-f0-9]*]]
101 //
102 // CHECK: TAG_member
103 // CHECK-NOT: {{DW_TAG|NULL}}
104 // CHECK: AT_name{{.*}} "bPtrToField"
105 // CHECK-NOT: {{DW_TAG|NULL}}
106 // CHECK: AT_type{{.*}}0x{{0*}}[[PTRTOMEMBER2:[a-f0-9]*]]
107 //
108 // CHECK: [[PTR2]]:{{.*}}TAG_pointer_type
109 // CHECK-NOT: {{DW_TAG|NULL}}
110 // CHECK: AT_type{{.*}}0x{{0*}}[[STRUCT2]]
111 //
112 // CHECK: [[REF2]]:{{.*}}TAG_reference_type
113 // CHECK-NOT: {{DW_TAG|NULL}}
114 // CHECK: AT_type{{.*}}0x{{0*}}[[STRUCT2]]
115 //
116 // CHECK: [[PTRTOMEMBER2]]:{{.*}}TAG_ptr_to_member_type
117 // CHECK-NOT: {{DW_TAG|NULL}}
118 // CHECK: AT_containing_type{{.*}}0x{{0*}}[[STRUCT2:[a-f0-9]*]]
119 
120 #elif defined(FILE3)
121 # 1 "Header.h" 1
122 struct A {
123   struct B;
124   B *bPtr;
125   B &bRef;
126   int B::*bPtrToField;
127 };
128 # 3 "Source2.cpp" 2
129 struct A::B {
130   int x;
131 };
bar()132 void bar() {
133   A *ptr2 = 0;
134 }
135 
136 // Finally we confirm that uniquing isn't broken by checking that further
137 // references to 'struct A' point to its now complete definition.
138 //
139 // CHECK: TAG_variable
140 // CHECK-NOT: {{DW_TAG|NULL}}
141 // CHECK: AT_name{{.*}} "ptr2"
142 // CHECK-NOT: {{DW_TAG|NULL}}
143 // CHECK: AT_type{{.*}}0x{{0*}}[[PTR3:[a-f0-9]*]]
144 //
145 // CHECK: [[PTR3]]:{{.*}}TAG_pointer_type
146 // CHECK-NOT: {{DW_TAG|NULL}}
147 // CHECK: AT_type{{.*}}0x{{0*}}[[STRUCTA]]
148 
149 #else
150 #error "You must define which file you generate"
151 #endif
152