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