1 // RUN: %clang_cc1 -triple x86_64-unknown-linux-gnu -debug-info-kind=limited -emit-llvm -std=c++11 -o - %s | FileCheck --check-prefix LINUX %s
2 // RUN: %clang_cc1 -triple x86_64-windows-msvc -debug-info-kind=limited -gcodeview -emit-llvm -std=c++11 -o - %s | FileCheck --check-prefix MSVC %s
3
main(int argc,char * argv[],char * arge[])4 int main(int argc, char* argv[], char* arge[]) {
5 //
6 // In CodeView, the LF_MFUNCTION entry for "bar()" refers to the forward
7 // reference of the unnamed struct. Visual Studio requires a unique
8 // identifier to match the LF_STRUCTURE forward reference to the definition.
9 //
10 struct { void bar() {} } one;
11 //
12 // LINUX: !{{[0-9]+}} = !DILocalVariable(name: "one"
13 // LINUX-SAME: type: [[TYPE_OF_ONE:![0-9]+]]
14 // LINUX-SAME: )
15 // LINUX: [[TYPE_OF_ONE]] = distinct !DICompositeType(
16 // LINUX-SAME: tag: DW_TAG_structure_type
17 // LINUX-NOT: name:
18 // LINUX-NOT: identifier:
19 // LINUX-SAME: )
20 //
21 // MSVC: !{{[0-9]+}} = !DILocalVariable(name: "one"
22 // MSVC-SAME: type: [[TYPE_OF_ONE:![0-9]+]]
23 // MSVC-SAME: )
24 // MSVC: [[TYPE_OF_ONE]] = distinct !DICompositeType
25 // MSVC-SAME: tag: DW_TAG_structure_type
26 // MSVC-SAME: name: "<unnamed-type-one>"
27 // MSVC-SAME: identifier: ".?AU<unnamed-type-one>@?1??main@@9@"
28 // MSVC-SAME: )
29
30
31 // In CodeView, the LF_POINTER entry for "ptr2unnamed" refers to the forward
32 // reference of the unnamed struct. Visual Studio requires a unique
33 // identifier to match the LF_STRUCTURE forward reference to the definition.
34 //
35 struct { int bar; } two = { 42 };
36 int decltype(two)::*ptr2unnamed = &decltype(two)::bar;
37 //
38 // LINUX: !{{[0-9]+}} = !DILocalVariable(name: "two"
39 // LINUX-SAME: type: [[TYPE_OF_TWO:![0-9]+]]
40 // LINUX-SAME: )
41 // LINUX: [[TYPE_OF_TWO]] = distinct !DICompositeType(
42 // LINUX-SAME: tag: DW_TAG_structure_type
43 // LINUX-NOT: name:
44 // LINUX-NOT: identifier:
45 // LINUX-SAME: )
46 //
47 // MSVC: !{{[0-9]+}} = !DILocalVariable(name: "two"
48 // MSVC-SAME: type: [[TYPE_OF_TWO:![0-9]+]]
49 // MSVC-SAME: )
50 // MSVC: [[TYPE_OF_TWO]] = distinct !DICompositeType
51 // MSVC-SAME: tag: DW_TAG_structure_type
52 // MSVC-SAME: name: "<unnamed-type-two>"
53 // MSVC-SAME: identifier: ".?AU<unnamed-type-two>@?2??main@@9@"
54 // MSVC-SAME: )
55
56
57 // In DWARF, named structures which are not externally visibile do not
58 // require an identifier. In CodeView, named structures are given an
59 // identifier.
60 //
61 struct named { int bar; int named::* p2mem; } three = { 42, &named::bar };
62 //
63 // LINUX: !{{[0-9]+}} = !DILocalVariable(name: "three"
64 // LINUX-SAME: type: [[TYPE_OF_THREE:![0-9]+]]
65 // LINUX-SAME: )
66 // LINUX: [[TYPE_OF_THREE]] = distinct !DICompositeType(
67 // LINUX-SAME: tag: DW_TAG_structure_type
68 // LINUX-SAME: name: "named"
69 // LINUX-NOT: identifier:
70 // LINUX-SAME: )
71 //
72 // MSVC: !{{[0-9]+}} = !DILocalVariable(name: "three"
73 // MSVC-SAME: type: [[TYPE_OF_THREE:![0-9]+]]
74 // MSVC-SAME: )
75 // MSVC: [[TYPE_OF_THREE]] = distinct !DICompositeType
76 // MSVC-SAME: tag: DW_TAG_structure_type
77 // MSVC-SAME: name: "named"
78 // MSVC-SAME: identifier: ".?AUnamed@?1??main@@9@"
79 // MSVC-SAME: )
80
81
82 // In CodeView, the LF_MFUNCTION entry for the lambda "operator()" routine
83 // refers to the forward reference of the unnamed LF_CLASS for the lambda.
84 // Visual Studio requires a unique identifier to match the forward reference
85 // of the LF_CLASS to its definition.
86 //
87 auto four = [argc](int i) -> int { return argc == i ? 1 : 0; };
88 //
89 // LINUX: !{{[0-9]+}} = !DILocalVariable(name: "four"
90 // LINUX-SAME: type: [[TYPE_OF_FOUR:![0-9]+]]
91 // LINUX-SAME: )
92 // LINUX: [[TYPE_OF_FOUR]] = distinct !DICompositeType(
93 // LINUX-SAME: tag: DW_TAG_class_type
94 // LINUX-NOT: name:
95 // LINUX-NOT: identifier:
96 // LINUX-SAME: )
97 //
98 // MSVC: !{{[0-9]+}} = !DILocalVariable(name: "four"
99 // MSVC-SAME: type: [[TYPE_OF_FOUR:![0-9]+]]
100 // MSVC-SAME: )
101 // MSVC: [[TYPE_OF_FOUR]] = distinct !DICompositeType
102 // MSVC-SAME: tag: DW_TAG_class_type
103 // MSVC-SAME: name: "<lambda_0>"
104 // MSVC-SAME: identifier: ".?AV<lambda_0>@?0??main@@9@"
105 // MSVC-SAME: )
106
107 return 0;
108 }
109