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1; RUN: llc %s -o %t -filetype=obj -O0 -mtriple=x86_64-unknown-linux-gnu -dwarf-version=42; RUN: llvm-dwarfdump -v -debug-info %t | FileCheck %s -check-prefix=PRESENT 3; RUN: llvm-dwarfdump -v -debug-info %t | FileCheck %s -check-prefix=ABSENT4; RUN: llc %s -o %t -filetype=obj -O0 -mtriple=x86_64-apple-darwin -dwarf-version=45; RUN: llvm-dwarfdump -v -debug-info %t | FileCheck %s -check-prefix=DARWINP6; RUN: llvm-dwarfdump -v -debug-info %t | FileCheck %s -check-prefix=DARWINA7; Verify that attributes we do want are PRESENT;8; verify that attributes we don't want are ABSENT.9; It's a lot easier to do this in two passes than in one.10; PR1447111 12; LLVM IR generated using: clang -emit-llvm -S -g13; (with the Clang part of this patch applied).14;15; class C16; {17; static int a;18; const static bool const_a = true;19; protected:20; static int b;21; const static float const_b = 3.14;22; public:23; static int c;24; const static int const_c = 18;25; int d;26; };27; 28; int C::a = 4;29; int C::b = 2;30; int C::c = 1;31; 32; int main()33; {34; C instance_C;35; instance_C.d = 8;36; return C::c;37; }38 39source_filename = "test/DebugInfo/X86/debug-info-static-member.ll"40 41%class.C = type { i32 }42 43@_ZN1C1aE = global i32 4, align 4, !dbg !044@_ZN1C1bE = global i32 2, align 4, !dbg !1845@_ZN1C1cE = global i32 1, align 4, !dbg !2046 47; Function Attrs: nounwind uwtable48define i32 @main() #0 !dbg !26 {49entry:50 %retval = alloca i32, align 451 %instance_C = alloca %class.C, align 452 store i32 0, ptr %retval53 call void @llvm.dbg.declare(metadata ptr %instance_C, metadata !29, metadata !30), !dbg !3154 store i32 8, ptr %instance_C, align 4, !dbg !3255 %0 = load i32, ptr @_ZN1C1cE, align 4, !dbg !3356 ret i32 %0, !dbg !3357}58 59; Function Attrs: nounwind readnone60declare void @llvm.dbg.declare(metadata, metadata, metadata) #161 62attributes #0 = { nounwind uwtable }63attributes #1 = { nounwind readnone }64 65!llvm.dbg.cu = !{!22}66!llvm.module.flags = !{!25}67 68!0 = !DIGlobalVariableExpression(var: !1, expr: !DIExpression())69!1 = !DIGlobalVariable(name: "a", linkageName: "_ZN1C1aE", scope: null, file: !2, line: 14, type: !3, isLocal: false, isDefinition: true, declaration: !4)70!2 = !DIFile(filename: "/usr/local/google/home/blaikie/Development/llvm/src/tools/clang/test/CodeGenCXX/debug-info-static-member.cpp", directory: "/home/blaikie/local/Development/llvm/build/clang/x86-64/Debug/llvm")71!3 = !DIBasicType(name: "int", size: 32, align: 32, encoding: DW_ATE_signed)72!4 = !DIDerivedType(tag: DW_TAG_member, name: "a", scope: !5, file: !2, line: 3, baseType: !3, flags: DIFlagPrivate | DIFlagStaticMember)73!5 = !DICompositeType(tag: DW_TAG_class_type, name: "C", file: !2, line: 1, size: 32, align: 32, elements: !6)74!6 = !{!4, !7, !10, !11, !14, !15, !17}75!7 = !DIDerivedType(tag: DW_TAG_member, name: "const_a", scope: !5, file: !2, line: 4, baseType: !8, flags: DIFlagPrivate | DIFlagStaticMember, extraData: i1 true)76!8 = !DIDerivedType(tag: DW_TAG_const_type, baseType: !9)77!9 = !DIBasicType(name: "bool", size: 8, align: 8, encoding: DW_ATE_boolean)78!10 = !DIDerivedType(tag: DW_TAG_member, name: "b", scope: !5, file: !2, line: 6, baseType: !3, flags: DIFlagProtected | DIFlagStaticMember)79!11 = !DIDerivedType(tag: DW_TAG_member, name: "const_b", scope: !5, file: !2, line: 7, baseType: !12, flags: DIFlagProtected | DIFlagStaticMember, extraData: float 0x40091EB860000000)80!12 = !DIDerivedType(tag: DW_TAG_const_type, baseType: !13)81!13 = !DIBasicType(name: "float", size: 32, align: 32, encoding: DW_ATE_float)82!14 = !DIDerivedType(tag: DW_TAG_member, name: "c", scope: !5, file: !2, line: 9, baseType: !3, flags: DIFlagPublic | DIFlagStaticMember)83!15 = !DIDerivedType(tag: DW_TAG_member, name: "const_c", scope: !5, file: !2, line: 10, baseType: !16, flags: DIFlagPublic | DIFlagStaticMember, extraData: i32 18)84!16 = !DIDerivedType(tag: DW_TAG_const_type, baseType: !3)85!17 = !DIDerivedType(tag: DW_TAG_member, name: "d", scope: !5, file: !2, line: 11, baseType: !3, size: 32, align: 32, flags: DIFlagPublic)86!18 = !DIGlobalVariableExpression(var: !19, expr: !DIExpression())87!19 = !DIGlobalVariable(name: "b", linkageName: "_ZN1C1bE", scope: null, file: !2, line: 15, type: !3, isLocal: false, isDefinition: true, declaration: !10)88!20 = !DIGlobalVariableExpression(var: !21, expr: !DIExpression())89!21 = !DIGlobalVariable(name: "c", linkageName: "_ZN1C1cE", scope: null, file: !2, line: 16, type: !3, isLocal: false, isDefinition: true, declaration: !14)90!22 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus, file: !2, producer: "clang version 3.3 (trunk 171914)", isOptimized: false, runtimeVersion: 0, emissionKind: FullDebug, enums: !23, retainedTypes: !23, globals: !24, imports: !23)91!23 = !{}92!24 = !{!0, !18, !20}93!25 = !{i32 1, !"Debug Info Version", i32 3}94!26 = distinct !DISubprogram(name: "main", scope: !2, file: !2, line: 18, type: !27, isLocal: false, isDefinition: true, scopeLine: 23, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: false, unit: !22, retainedNodes: !23)95!27 = !DISubroutineType(types: !28)96!28 = !{!3}97!29 = !DILocalVariable(name: "instance_C", scope: !26, file: !2, line: 20, type: !5)98!30 = !DIExpression()99!31 = !DILocation(line: 20, scope: !26)100!32 = !DILocation(line: 21, scope: !26)101!33 = !DILocation(line: 22, scope: !26)102 103; PRESENT verifies that static member declarations have these attributes:104; external, declaration, accessibility, and either DW_AT_linkage_name105; (for variables) or DW_AT_const_value (for constants).106;107; PRESENT: .debug_info contents:108; PRESENT: DW_TAG_variable109; PRESENT-NEXT: DW_AT_specification {{.*}} "a"110; PRESENT-NEXT: DW_AT_location111; PRESENT-NEXT: DW_AT_linkage_name {{.*}} "_ZN1C1aE"112; PRESENT: DW_TAG_class_type113; PRESENT-NEXT: DW_AT_name {{.*}} "C"114; PRESENT: DW_TAG_member115; PRESENT-NEXT: DW_AT_name {{.*}} "a"116; PRESENT: DW_AT_external117; PRESENT: DW_AT_declaration118; PRESENT: DW_AT_accessibility [DW_FORM_data1] (DW_ACCESS_private)119; PRESENT: DW_TAG_member120; PRESENT-NEXT: DW_AT_name {{.*}} "const_a"121; PRESENT: DW_AT_external122; PRESENT: DW_AT_declaration123; PRESENT: DW_AT_accessibility [DW_FORM_data1] (DW_ACCESS_private)124; PRESENT: DW_AT_const_value {{.*}} (1)125; PRESENT: DW_TAG_member126; PRESENT-NEXT: DW_AT_name {{.*}} "b"127; PRESENT: DW_AT_accessibility [DW_FORM_data1] (DW_ACCESS_protected)128; PRESENT: DW_TAG_member129; PRESENT-NEXT: DW_AT_name {{.*}} "const_b"130; PRESENT: DW_AT_accessibility [DW_FORM_data1] (DW_ACCESS_protected)131; PRESENT: DW_AT_const_value [DW_FORM_udata] (1078523331)132; PRESENT: DW_TAG_member133; PRESENT-NEXT: DW_AT_name {{.*}} "c"134; PRESENT: DW_AT_accessibility [DW_FORM_data1] (DW_ACCESS_public)135; PRESENT: DW_TAG_member136; PRESENT-NEXT: DW_AT_name {{.*}} "const_c"137; PRESENT: DW_AT_accessibility [DW_FORM_data1] (DW_ACCESS_public)138; PRESENT: DW_AT_const_value {{.*}} (18)139; While we're here, a normal member has data_member_location and140; accessibility attributes.141; PRESENT: DW_TAG_member142; PRESENT-NEXT: DW_AT_name {{.*}} "d"143; PRESENT: DW_AT_data_member_location144; PRESENT: DW_AT_accessibility [DW_FORM_data1] (DW_ACCESS_public)145; PRESENT: NULL146; Definitions point back to their declarations, and have a location.147; PRESENT: DW_TAG_variable148; PRESENT-NEXT: DW_AT_specification {{.*}} "b"149; PRESENT-NEXT: DW_AT_location150; PRESENT-NEXT: DW_AT_linkage_name {{.*}} "_ZN1C1bE"151; PRESENT: DW_TAG_variable152; PRESENT-NEXT: DW_AT_specification {{.*}} "c"153; PRESENT-NEXT: DW_AT_location154; PRESENT-NEXT: DW_AT_linkage_name {{.*}} "_ZN1C1cE"155 156; For Darwin gdb:157; DARWINP: .debug_info contents:158; DARWINP: DW_TAG_variable159; DARWINP-NEXT: DW_AT_specification {{.*}} "a"160; DARWINP-NEXT: DW_AT_location161; DARWINP-NEXT: DW_AT_linkage_name {{.*}} "_ZN1C1aE"162; DARWINP: DW_TAG_class_type163; DARWINP-NEXT: DW_AT_name {{.*}} "C"164; DARWINP: DW_TAG_member165; DARWINP-NEXT: DW_AT_name {{.*}} "a"166; DARWINP: DW_AT_external167; DARWINP: DW_AT_declaration168; DARWINP: DW_AT_accessibility [DW_FORM_data1] (DW_ACCESS_private)169; DARWINP: DW_TAG_member170; DARWINP-NEXT: DW_AT_name {{.*}} "const_a"171; DARWINP: DW_AT_external172; DARWINP: DW_AT_declaration173; DARWINP: DW_AT_accessibility [DW_FORM_data1] (DW_ACCESS_private)174; DARWINP: DW_AT_const_value {{.*}} (1)175; DARWINP: DW_TAG_member176; DARWINP-NEXT: DW_AT_name {{.*}} "b"177; DARWINP: DW_AT_accessibility [DW_FORM_data1] (DW_ACCESS_protected)178; DARWINP: DW_TAG_member179; DARWINP-NEXT: DW_AT_name {{.*}} "const_b"180; DARWINP: DW_AT_accessibility [DW_FORM_data1] (DW_ACCESS_protected)181; DARWINP: DW_AT_const_value [DW_FORM_udata] (1078523331)182; DARWINP: DW_TAG_member183; DARWINP-NEXT: DW_AT_name {{.*}} "c"184; DARWINP: DW_AT_accessibility [DW_FORM_data1] (DW_ACCESS_public)185; DARWINP: DW_TAG_member186; DARWINP-NEXT: DW_AT_name {{.*}} "const_c"187; DARWINP: DW_AT_accessibility [DW_FORM_data1] (DW_ACCESS_public)188; DARWINP: DW_AT_const_value {{.*}} (18)189; While we're here, a normal member has data_member_location and190; accessibility attributes.191; DARWINP: DW_TAG_member192; DARWINP-NEXT: DW_AT_name {{.*}} "d"193; DARWINP: DW_AT_data_member_location194; DARWINP: DW_AT_accessibility [DW_FORM_data1] (DW_ACCESS_public)195; DARWINP: NULL196; Definitions point back to their declarations, and have a location.197; DARWINP: DW_TAG_variable198; DARWINP-NEXT: DW_AT_specification {{.*}} "b"199; DARWINP-NEXT: DW_AT_location200; DARWINP-NEXT: DW_AT_linkage_name {{.*}} "_ZN1C1bE"201; DARWINP: DW_TAG_variable202; DARWINP-NEXT: DW_AT_specification {{.*}} "c"203; DARWINP-NEXT: DW_AT_location204; DARWINP-NEXT: DW_AT_linkage_name {{.*}} "_ZN1C1cE"205 206; ABSENT verifies that static member declarations do not have either207; DW_AT_location or DW_AT_data_member_location; also, variables do not208; have DW_AT_const_value and constants do not have DW_AT_linkage_name.209;210; ABSENT: .debug_info contents:211; ABSENT: DW_TAG_member212; ABSENT: DW_AT_name {{.*}} "a"213; ABSENT-NOT: DW_AT_const_value214; ABSENT-NOT: location215; ABSENT: DW_AT_name {{.*}} "const_a"216; ABSENT-NOT: DW_AT_linkage_name217; ABSENT-NOT: location218; ABSENT: DW_AT_name {{.*}} "b"219; ABSENT-NOT: DW_AT_const_value220; ABSENT-NOT: location221; ABSENT: DW_AT_name {{.*}} "const_b"222; ABSENT-NOT: DW_AT_linkage_name223; ABSENT-NOT: location224; ABSENT: DW_AT_name {{.*}} "c"225; ABSENT-NOT: DW_AT_const_value226; ABSENT-NOT: location227; ABSENT: DW_AT_name {{.*}} "const_c"228; ABSENT-NOT: DW_AT_linkage_name229; ABSENT-NOT: location230; While we're here, a normal member does not have a linkage name, constant231; value, or DW_AT_location.232; ABSENT: DW_AT_name {{.*}} "d"233; ABSENT-NOT: DW_AT_linkage_name234; ABSENT-NOT: DW_AT_const_value235; ABSENT-NOT: DW_AT_location236; ABSENT: NULL237 238; For Darwin gdb:239; DARWINA: .debug_info contents:240; DARWINA: DW_TAG_member241; DARWINA: DW_AT_name {{.*}} "a"242; DARWINA-NOT: DW_AT_const_value243; DARWINA-NOT: location244; DARWINA: DW_AT_name {{.*}} "const_a"245; DARWINA-NOT: DW_AT_linkage_name246; DARWINA-NOT: location247; DARWINA: DW_AT_name {{.*}} "b"248; DARWINA-NOT: DW_AT_const_value249; DARWINA-NOT: location250; DARWINA: DW_AT_name {{.*}} "const_b"251; DARWINA-NOT: DW_AT_linkage_name252; DARWINA-NOT: location253; DARWINA: DW_AT_name {{.*}} "c"254; DARWINA-NOT: DW_AT_const_value255; DARWINA-NOT: location256; DARWINA: DW_AT_name {{.*}} "const_c"257; DARWINA-NOT: DW_AT_linkage_name258; DARWINA-NOT: location259; While we're here, a normal member does not have a linkage name, constant260; value, or DW_AT_location.261; DARWINA: DW_AT_name {{.*}} "d"262; DARWINA-NOT: DW_AT_linkage_name263; DARWINA-NOT: DW_AT_const_value264; DARWINA-NOT: DW_AT_location265; DARWINA: NULL266