forked from OSchip/llvm-project
109 lines
4.3 KiB
C++
109 lines
4.3 KiB
C++
// 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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// 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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int main(int argc, char* argv[], char* arge[]) {
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//
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// In CodeView, the LF_MFUNCTION entry for "bar()" refers to the forward
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// reference of the unnamed struct. Visual Studio requires a unique
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// identifier to match the LF_STRUCTURE forward reference to the definition.
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//
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struct { void bar() {} } one;
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//
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// LINUX: !{{[0-9]+}} = !DILocalVariable(name: "one"
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// LINUX-SAME: type: [[TYPE_OF_ONE:![0-9]+]]
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// LINUX-SAME: )
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// LINUX: [[TYPE_OF_ONE]] = distinct !DICompositeType(
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// LINUX-SAME: tag: DW_TAG_structure_type
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// LINUX-NOT: name:
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// LINUX-NOT: identifier:
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// LINUX-SAME: )
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//
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// MSVC: !{{[0-9]+}} = !DILocalVariable(name: "one"
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// MSVC-SAME: type: [[TYPE_OF_ONE:![0-9]+]]
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// MSVC-SAME: )
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// MSVC: [[TYPE_OF_ONE]] = distinct !DICompositeType
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// MSVC-SAME: tag: DW_TAG_structure_type
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// MSVC-SAME: name: "<unnamed-type-one>"
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// MSVC-SAME: identifier: ".?AU<unnamed-type-one>@?1??main@@9@"
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// MSVC-SAME: )
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// In CodeView, the LF_POINTER entry for "ptr2unnamed" refers to the forward
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// reference of the unnamed struct. Visual Studio requires a unique
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// identifier to match the LF_STRUCTURE forward reference to the definition.
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//
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struct { int bar; } two = { 42 };
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int decltype(two)::*ptr2unnamed = &decltype(two)::bar;
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//
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// LINUX: !{{[0-9]+}} = !DILocalVariable(name: "two"
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// LINUX-SAME: type: [[TYPE_OF_TWO:![0-9]+]]
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// LINUX-SAME: )
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// LINUX: [[TYPE_OF_TWO]] = distinct !DICompositeType(
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// LINUX-SAME: tag: DW_TAG_structure_type
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// LINUX-NOT: name:
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// LINUX-NOT: identifier:
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// LINUX-SAME: )
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//
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// MSVC: !{{[0-9]+}} = !DILocalVariable(name: "two"
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// MSVC-SAME: type: [[TYPE_OF_TWO:![0-9]+]]
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// MSVC-SAME: )
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// MSVC: [[TYPE_OF_TWO]] = distinct !DICompositeType
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// MSVC-SAME: tag: DW_TAG_structure_type
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// MSVC-SAME: name: "<unnamed-type-two>"
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// MSVC-SAME: identifier: ".?AU<unnamed-type-two>@?2??main@@9@"
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// MSVC-SAME: )
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// In DWARF, named structures which are not externally visibile do not
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// require an identifier. In CodeView, named structures are given an
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// identifier.
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//
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struct named { int bar; int named::* p2mem; } three = { 42, &named::bar };
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//
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// LINUX: !{{[0-9]+}} = !DILocalVariable(name: "three"
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// LINUX-SAME: type: [[TYPE_OF_THREE:![0-9]+]]
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// LINUX-SAME: )
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// LINUX: [[TYPE_OF_THREE]] = distinct !DICompositeType(
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// LINUX-SAME: tag: DW_TAG_structure_type
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// LINUX-SAME: name: "named"
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// LINUX-NOT: identifier:
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// LINUX-SAME: )
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//
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// MSVC: !{{[0-9]+}} = !DILocalVariable(name: "three"
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// MSVC-SAME: type: [[TYPE_OF_THREE:![0-9]+]]
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// MSVC-SAME: )
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// MSVC: [[TYPE_OF_THREE]] = distinct !DICompositeType
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// MSVC-SAME: tag: DW_TAG_structure_type
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// MSVC-SAME: name: "named"
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// MSVC-SAME: identifier: ".?AUnamed@?1??main@@9@"
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// MSVC-SAME: )
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// In CodeView, the LF_MFUNCTION entry for the lambda "operator()" routine
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// refers to the forward reference of the unnamed LF_CLASS for the lambda.
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// Visual Studio requires a unique identifier to match the forward reference
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// of the LF_CLASS to its definition.
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//
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auto four = [argc](int i) -> int { return argc == i ? 1 : 0; };
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//
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// LINUX: !{{[0-9]+}} = !DILocalVariable(name: "four"
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// LINUX-SAME: type: [[TYPE_OF_FOUR:![0-9]+]]
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// LINUX-SAME: )
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// LINUX: [[TYPE_OF_FOUR]] = distinct !DICompositeType(
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// LINUX-SAME: tag: DW_TAG_class_type
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// LINUX-NOT: name:
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// LINUX-NOT: identifier:
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// LINUX-SAME: )
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//
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// MSVC: !{{[0-9]+}} = !DILocalVariable(name: "four"
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// MSVC-SAME: type: [[TYPE_OF_FOUR:![0-9]+]]
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// MSVC-SAME: )
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// MSVC: [[TYPE_OF_FOUR]] = distinct !DICompositeType
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// MSVC-SAME: tag: DW_TAG_class_type
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// MSVC-NOT: name:
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// MSVC-SAME: identifier: ".?AV<lambda_0>@?0??main@@9@"
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// MSVC-SAME: )
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return 0;
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}
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