1; RUN: llc -filetype=obj < %s | llvm-dwarfdump -debug-info - | FileCheck %s 2 3; Generated by clang++ -c -g -std=c++11 -S -emit-llvm from the following C++11 source 4; struct S { 5; char x; 6; alignas(128) char xx; 7; }; 8; 9; class alignas(64) C0 { 10; }; 11; 12; class C1 { 13; alignas(64) static void *p; 14; }; 15; 16; enum alignas(16) E { 17; A, 18; B, 19; C, 20; }; 21; 22; C0 c0; 23; 24; alignas(2048) S s; 25; 26; void foo() 27; { 28; S ss; 29; E e; 30; C1 c1; 31; alignas(32) int i = 42; 32; auto Lambda = [i](){}; 33; } 34 35; CHECK: DW_TAG_class_type 36; CHECK-NOT: DW_TAG 37; CHECK: DW_AT_name{{.*}}"C0" 38; CHECK-NOT: DW_TAG 39; CHECK: DW_AT_alignment{{.*}}64 40 41; CHECK: DW_TAG_variable 42; CHECK-NOT: DW_TAG 43; CHECK: DW_AT_name{{.*}}"s" 44; CHECK-NOT: DW_TAG 45; CHECK: DW_AT_alignment{{.*}}2048 46 47; CHECK: DW_TAG_structure_type 48; CHECK: DW_TAG_member 49; CHECK: DW_AT_name{{.*}}"xx" 50; CHECK-NOT: DW_TAG 51; CHECK: DW_AT_alignment{{.*}}128 52 53; CHECK: DW_TAG_enumeration_type 54; CHECK-NOT: DW_TAG 55; CHECK: DW_AT_alignment{{.*}}16 56 57; CHECK: DW_TAG_variable 58; CHECK: DW_AT_name{{.*}}"i" 59; CHECK-NOT: DW_TAG 60; CHECK: DW_AT_alignment{{.*}}32 61; CHECK: DW_TAG_class_type 62; CHECK: DW_TAG_member 63; CHECK-NOT: DW_TAG 64; CHECK: DW_AT_name{{.*}}"i" 65; CHECK-NOT: DW_TAG 66; CHECK: DW_AT_alignment{{.*}}32 67 68; CHECK: DW_TAG_class_type 69; CHECK-NOT: DW_TAG 70; CHECK: DW_AT_name{{.*}}"C1" 71; CHECK: DW_TAG_member 72; CHECK-NOT: DW_TAG 73; CHECK: DW_AT_name{{.*}}"p" 74; CHECK-NOT: DW_TAG 75; CHECK: DW_AT_alignment{{.*}}64 76 77; ModuleID = 'test.cpp' 78source_filename = "test.cpp" 79target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128" 80target triple = "x86_64-unknown-linux-gnu" 81 82%class.C0 = type { [64 x i8] } 83%struct.S = type { i8, [127 x i8], i8, [127 x i8] } 84%class.C1 = type { i8 } 85%class.anon = type { i32 } 86 87@c0 = global %class.C0 zeroinitializer, align 64, !dbg !0 88@s = global %struct.S zeroinitializer, align 2048, !dbg !12 89 90; Function Attrs: nounwind uwtable 91define void @_Z3foov() #0 !dbg !24 { 92entry: 93 %ss = alloca %struct.S, align 128 94 %e = alloca i32, align 16 95 %c1 = alloca %class.C1, align 1 96 %i = alloca i32, align 32 97 %Lambda = alloca %class.anon, align 4 98 call void @llvm.dbg.declare(metadata %struct.S* %ss, metadata !27, metadata !28), !dbg !29 99 call void @llvm.dbg.declare(metadata i32* %e, metadata !30, metadata !28), !dbg !31 100 call void @llvm.dbg.declare(metadata %class.C1* %c1, metadata !32, metadata !28), !dbg !37 101 call void @llvm.dbg.declare(metadata i32* %i, metadata !38, metadata !28), !dbg !40 102 store i32 42, i32* %i, align 32, !dbg !40 103 call void @llvm.dbg.declare(metadata %class.anon* %Lambda, metadata !41, metadata !28), !dbg !50 104 %0 = getelementptr inbounds %class.anon, %class.anon* %Lambda, i32 0, i32 0, !dbg !51 105 %1 = load i32, i32* %i, align 32, !dbg !52 106 store i32 %1, i32* %0, align 4, !dbg !51 107 ret void, !dbg !53 108} 109 110; Function Attrs: nounwind readnone 111declare void @llvm.dbg.declare(metadata, metadata, metadata) #1 112 113attributes #0 = { nounwind uwtable } 114attributes #1 = { nounwind readnone } 115 116!llvm.dbg.cu = !{!2} 117!llvm.module.flags = !{!21, !22} 118!llvm.ident = !{!23} 119 120!0 = distinct !DIGlobalVariableExpression(var: !1, expr: !DIExpression()) 121!1 = !DIGlobalVariable(name: "c0", scope: !2, file: !6, line: 19, type: !19, isLocal: false, isDefinition: true) 122!2 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus, file: !3, producer: "clang version 4.0.0", isOptimized: false, runtimeVersion: 0, emissionKind: FullDebug, enums: !4, globals: !11) 123!3 = !DIFile(filename: "test.cpp", directory: "/tmp") 124!4 = !{!5} 125!5 = !DICompositeType(tag: DW_TAG_enumeration_type, name: "E", file: !6, line: 13, size: 32, align: 128, elements: !7, identifier: "_ZTS1E") 126!6 = !DIFile(filename: "./test.cpp", directory: "/tmp") 127!7 = !{!8, !9, !10} 128!8 = !DIEnumerator(name: "A", value: 0) 129!9 = !DIEnumerator(name: "B", value: 1) 130!10 = !DIEnumerator(name: "C", value: 2) 131!11 = !{!0, !12} 132!12 = distinct !DIGlobalVariableExpression(var: !13, expr: !DIExpression()) 133!13 = !DIGlobalVariable(name: "s", scope: !2, file: !6, line: 21, type: !14, isLocal: false, isDefinition: true, align: 16384) 134!14 = distinct !DICompositeType(tag: DW_TAG_structure_type, name: "S", file: !6, line: 1, size: 2048, elements: !15, identifier: "_ZTS1S") 135!15 = !{!16, !18} 136!16 = !DIDerivedType(tag: DW_TAG_member, name: "x", scope: !14, file: !6, line: 2, baseType: !17, size: 8) 137!17 = !DIBasicType(name: "char", size: 8, encoding: DW_ATE_signed_char) 138!18 = !DIDerivedType(tag: DW_TAG_member, name: "xx", scope: !14, file: !6, line: 3, baseType: !17, size: 8, align: 1024, offset: 1024) 139!19 = distinct !DICompositeType(tag: DW_TAG_class_type, name: "C0", file: !6, line: 6, size: 512, align: 512, elements: !20, identifier: "_ZTS2C0") 140!20 = !{} 141!21 = !{i32 2, !"Dwarf Version", i32 4} 142!22 = !{i32 2, !"Debug Info Version", i32 3} 143!23 = !{!"clang version 4.0.0"} 144!24 = distinct !DISubprogram(name: "foo", linkageName: "_Z3foov", scope: !6, file: !6, line: 23, type: !25, isLocal: false, isDefinition: true, scopeLine: 24, flags: DIFlagPrototyped, isOptimized: false, unit: !2, retainedNodes: !20) 145!25 = !DISubroutineType(types: !26) 146!26 = !{null} 147!27 = !DILocalVariable(name: "ss", scope: !24, file: !6, line: 25, type: !14) 148!28 = !DIExpression() 149!29 = !DILocation(line: 25, column: 7, scope: !24) 150!30 = !DILocalVariable(name: "e", scope: !24, file: !6, line: 26, type: !5) 151!31 = !DILocation(line: 26, column: 7, scope: !24) 152!32 = !DILocalVariable(name: "c1", scope: !24, file: !6, line: 27, type: !33) 153!33 = distinct !DICompositeType(tag: DW_TAG_class_type, name: "C1", file: !6, line: 9, size: 8, elements: !34, identifier: "_ZTS2C1") 154!34 = !{!35} 155!35 = !DIDerivedType(tag: DW_TAG_member, name: "p", scope: !33, file: !6, line: 10, baseType: !36, align: 512, flags: DIFlagStaticMember) 156!36 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: null, size: 64) 157!37 = !DILocation(line: 27, column: 8, scope: !24) 158!38 = !DILocalVariable(name: "i", scope: !24, file: !6, line: 28, type: !39, align: 256) 159!39 = !DIBasicType(name: "int", size: 32, encoding: DW_ATE_signed) 160!40 = !DILocation(line: 28, column: 21, scope: !24) 161!41 = !DILocalVariable(name: "Lambda", scope: !24, file: !6, line: 29, type: !42) 162!42 = distinct !DICompositeType(tag: DW_TAG_class_type, scope: !24, file: !6, line: 29, size: 32, elements: !43) 163!43 = !{!44, !45} 164!44 = !DIDerivedType(tag: DW_TAG_member, name: "i", scope: !42, file: !6, line: 29, baseType: !39, size: 32, align: 256) 165!45 = !DISubprogram(name: "operator()", scope: !42, file: !6, line: 29, type: !46, isLocal: false, isDefinition: false, scopeLine: 29, flags: DIFlagPublic | DIFlagPrototyped, isOptimized: false) 166!46 = !DISubroutineType(types: !47) 167!47 = !{null, !48} 168!48 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !49, size: 64, flags: DIFlagArtificial | DIFlagObjectPointer) 169!49 = !DIDerivedType(tag: DW_TAG_const_type, baseType: !42) 170!50 = !DILocation(line: 29, column: 10, scope: !24) 171!51 = !DILocation(line: 29, column: 19, scope: !24) 172!52 = !DILocation(line: 29, column: 20, scope: !24) 173!53 = !DILocation(line: 30, column: 1, scope: !24) 174 175