diff options
Diffstat (limited to 'test/CodeGenCXX/debug-info-codeview-unnamed.cpp')
| -rw-r--r-- | test/CodeGenCXX/debug-info-codeview-unnamed.cpp | 108 |
1 files changed, 108 insertions, 0 deletions
diff --git a/test/CodeGenCXX/debug-info-codeview-unnamed.cpp b/test/CodeGenCXX/debug-info-codeview-unnamed.cpp new file mode 100644 index 0000000000000..dd4cc9cb47873 --- /dev/null +++ b/test/CodeGenCXX/debug-info-codeview-unnamed.cpp @@ -0,0 +1,108 @@ +// 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; +} |