1; RUN: %llc_dwarf -O0 -filetype=obj < %s | llvm-dwarfdump -debug-info - | FileCheck %s 2; RUN: %llc_dwarf -O0 -filetype=obj < %s -strict-dwarf=true | llvm-dwarfdump -debug-info - \ 3; RUN: | FileCheck %s --check-prefix=STRICT --implicit-check-not DW_AT_calling_convention 4; 5 6; // S is not trivially copyable. 7; struct S { 8; ~S() {} 9; }; 10; 11; // T is a POD. 12; struct T { 13; ~T() = default; 14; }; 15; 16; S s; 17; T t; 18; 19; CHECK: DW_TAG_structure_type 20; CHECK-NEXT: DW_AT_calling_convention (DW_CC_pass_by_reference) 21; CHECK-NEXT: DW_AT_name ("S") 22; 23; CHECK: DW_TAG_structure_type 24; CHECK-NEXT: DW_AT_calling_convention (DW_CC_pass_by_value) 25; CHECK-NEXT: DW_AT_name ("T") 26; 27; STRICT: DW_TAG_structure_type 28; STRICT-NEXT: DW_AT_name ("S") 29; 30; STRICT: DW_TAG_structure_type 31; STRICT-NEXT: DW_AT_name ("T") 32 33%struct.S = type { i8 } 34%struct.T = type { i8 } 35 36@s = global %struct.S zeroinitializer, align 1, !dbg !0 37@__dso_handle = external hidden global i8 38@t = global %struct.T zeroinitializer, align 1, !dbg !6 39 40!llvm.dbg.cu = !{!2} 41!llvm.module.flags = !{!20, !21, !22, !23} 42!llvm.ident = !{!24} 43 44!0 = !DIGlobalVariableExpression(var: !1, expr: !DIExpression()) 45!1 = distinct !DIGlobalVariable(name: "s", scope: !2, file: !3, line: 9, type: !14, isLocal: false, isDefinition: true) 46!2 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus, file: !3, producer: "clang version 7.0.0 (trunk 321763) (llvm/trunk 321758)", isOptimized: false, runtimeVersion: 0, emissionKind: FullDebug, enums: !4, globals: !5) 47!3 = !DIFile(filename: "pass.cpp", directory: "/") 48!4 = !{} 49!5 = !{!0, !6} 50!6 = !DIGlobalVariableExpression(var: !7, expr: !DIExpression()) 51!7 = distinct !DIGlobalVariable(name: "t", scope: !2, file: !3, line: 10, type: !8, isLocal: false, isDefinition: true) 52!8 = distinct !DICompositeType(tag: DW_TAG_structure_type, name: "T", file: !3, line: 5, size: 8, elements: !9, identifier: "_ZTS1T", flags: DIFlagTypePassByValue) 53!9 = !{!10} 54!10 = !DISubprogram(name: "~T", scope: !8, file: !3, line: 6, type: !11, isLocal: false, isDefinition: false, scopeLine: 6, flags: DIFlagPrototyped, isOptimized: false) 55!11 = !DISubroutineType(types: !12) 56!12 = !{null, !13} 57!13 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !8, size: 64, flags: DIFlagArtificial | DIFlagObjectPointer) 58!14 = distinct !DICompositeType(tag: DW_TAG_structure_type, name: "S", file: !3, line: 1, size: 8, elements: !15, identifier: "_ZTS1S", flags: DIFlagTypePassByReference) 59!15 = !{!16} 60!16 = !DISubprogram(name: "~S", scope: !14, file: !3, line: 2, type: !17, isLocal: false, isDefinition: false, scopeLine: 2, flags: DIFlagPrototyped, isOptimized: false) 61!17 = !DISubroutineType(types: !18) 62!18 = !{null, !19} 63!19 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !14, size: 64, flags: DIFlagArtificial | DIFlagObjectPointer) 64!20 = !{i32 2, !"Dwarf Version", i32 4} 65!21 = !{i32 2, !"Debug Info Version", i32 3} 66!22 = !{i32 1, !"wchar_size", i32 4} 67!23 = !{i32 7, !"PIC Level", i32 2} 68!24 = !{!"clang version 7.0.0 (trunk 321763) (llvm/trunk 321758)"} 69