|  | // RUN: %clang_cc1 -triple x86_64-unknown-linux-gnu -debug-info-kind=limited -S -emit-llvm -std=c++11 -o - %s | FileCheck --check-prefix LINUX %s | 
|  | // RUN: %clang_cc1 -triple x86_64-windows-msvc -debug-info-kind=limited -gcodeview -S -emit-llvm -std=c++11 -o - %s | FileCheck --check-prefix MSVC %s | 
|  |  | 
|  | int main(int argc, char* argv[], char* arge[]) { | 
|  | // | 
|  | // In CodeView, the LF_MFUNCTION entry for "bar()" refers to the forward | 
|  | // reference of the unnamed struct. Visual Studio requires a unique | 
|  | // identifier to match the LF_STRUCTURE forward reference to the definition. | 
|  | // | 
|  | struct { void bar() {} } one; | 
|  | // | 
|  | // LINUX:      !{{[0-9]+}} = !DILocalVariable(name: "one" | 
|  | // LINUX-SAME:     type: [[TYPE_OF_ONE:![0-9]+]] | 
|  | // LINUX-SAME:     ) | 
|  | // LINUX:      [[TYPE_OF_ONE]] = distinct !DICompositeType( | 
|  | // LINUX-SAME:     tag: DW_TAG_structure_type | 
|  | // LINUX-NOT:      name: | 
|  | // LINUX-NOT:      identifier: | 
|  | // LINUX-SAME:     ) | 
|  | // | 
|  | // MSVC:       !{{[0-9]+}} = !DILocalVariable(name: "one" | 
|  | // MSVC-SAME:      type: [[TYPE_OF_ONE:![0-9]+]] | 
|  | // MSVC-SAME:      ) | 
|  | // MSVC:       [[TYPE_OF_ONE]] = distinct !DICompositeType | 
|  | // MSVC-SAME:      tag: DW_TAG_structure_type | 
|  | // MSVC-SAME:      name: "<unnamed-type-one>" | 
|  | // MSVC-SAME:      identifier: ".?AU<unnamed-type-one>@?1??main@@9@" | 
|  | // MSVC-SAME:      ) | 
|  |  | 
|  |  | 
|  | // In CodeView, the LF_POINTER entry for "ptr2unnamed" refers to the forward | 
|  | // reference of the unnamed struct. Visual Studio requires a unique | 
|  | // identifier to match the LF_STRUCTURE forward reference to the definition. | 
|  | // | 
|  | struct { int bar; } two = { 42 }; | 
|  | int decltype(two)::*ptr2unnamed = &decltype(two)::bar; | 
|  | // | 
|  | // LINUX:      !{{[0-9]+}} = !DILocalVariable(name: "two" | 
|  | // LINUX-SAME:     type: [[TYPE_OF_TWO:![0-9]+]] | 
|  | // LINUX-SAME:     ) | 
|  | // LINUX:      [[TYPE_OF_TWO]] = distinct !DICompositeType( | 
|  | // LINUX-SAME:     tag: DW_TAG_structure_type | 
|  | // LINUX-NOT:      name: | 
|  | // LINUX-NOT:      identifier: | 
|  | // LINUX-SAME:     ) | 
|  | // | 
|  | // MSVC:       !{{[0-9]+}} = !DILocalVariable(name: "two" | 
|  | // MSVC-SAME:      type: [[TYPE_OF_TWO:![0-9]+]] | 
|  | // MSVC-SAME:      ) | 
|  | // MSVC:       [[TYPE_OF_TWO]] = distinct !DICompositeType | 
|  | // MSVC-SAME:      tag: DW_TAG_structure_type | 
|  | // MSVC-SAME:      name: "<unnamed-type-two>" | 
|  | // MSVC-SAME:      identifier: ".?AU<unnamed-type-two>@?2??main@@9@" | 
|  | // MSVC-SAME:      ) | 
|  |  | 
|  |  | 
|  | // In DWARF, named structures which are not externally visibile do not | 
|  | // require an identifier.  In CodeView, named structures are given an | 
|  | // identifier. | 
|  | // | 
|  | struct named { int bar; int named::* p2mem; } three = { 42, &named::bar }; | 
|  | // | 
|  | // LINUX:      !{{[0-9]+}} = !DILocalVariable(name: "three" | 
|  | // LINUX-SAME:     type: [[TYPE_OF_THREE:![0-9]+]] | 
|  | // LINUX-SAME:     ) | 
|  | // LINUX:      [[TYPE_OF_THREE]] = distinct !DICompositeType( | 
|  | // LINUX-SAME:     tag: DW_TAG_structure_type | 
|  | // LINUX-SAME:     name: "named" | 
|  | // LINUX-NOT:      identifier: | 
|  | // LINUX-SAME:     ) | 
|  | // | 
|  | // MSVC:       !{{[0-9]+}} = !DILocalVariable(name: "three" | 
|  | // MSVC-SAME:      type: [[TYPE_OF_THREE:![0-9]+]] | 
|  | // MSVC-SAME:      ) | 
|  | // MSVC:       [[TYPE_OF_THREE]] = distinct !DICompositeType | 
|  | // MSVC-SAME:      tag: DW_TAG_structure_type | 
|  | // MSVC-SAME:      name: "named" | 
|  | // MSVC-SAME:      identifier: ".?AUnamed@?1??main@@9@" | 
|  | // MSVC-SAME:      ) | 
|  |  | 
|  |  | 
|  | // In CodeView, the LF_MFUNCTION entry for the lambda "operator()" routine | 
|  | // refers to the forward reference of the unnamed LF_CLASS for the lambda. | 
|  | // Visual Studio requires a unique identifier to match the forward reference | 
|  | // of the LF_CLASS to its definition. | 
|  | // | 
|  | auto four = [argc](int i) -> int { return argc == i ? 1 : 0; }; | 
|  | // | 
|  | // LINUX:      !{{[0-9]+}} = !DILocalVariable(name: "four" | 
|  | // LINUX-SAME:     type: [[TYPE_OF_FOUR:![0-9]+]] | 
|  | // LINUX-SAME:     ) | 
|  | // LINUX:      [[TYPE_OF_FOUR]] = distinct !DICompositeType( | 
|  | // LINUX-SAME:     tag: DW_TAG_class_type | 
|  | // LINUX-NOT:      name: | 
|  | // LINUX-NOT:      identifier: | 
|  | // LINUX-SAME:     ) | 
|  | // | 
|  | // MSVC:       !{{[0-9]+}} = !DILocalVariable(name: "four" | 
|  | // MSVC-SAME:      type: [[TYPE_OF_FOUR:![0-9]+]] | 
|  | // MSVC-SAME:      ) | 
|  | // MSVC:       [[TYPE_OF_FOUR]] = distinct !DICompositeType | 
|  | // MSVC-SAME:      tag: DW_TAG_class_type | 
|  | // MSVC-NOT:       name: | 
|  | // MSVC-SAME:      identifier: ".?AV<lambda_0>@?0??main@@9@" | 
|  | // MSVC-SAME:      ) | 
|  |  | 
|  | return 0; | 
|  | } |