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1; RUN: llc < %s -filetype=obj | llvm-readobj - --codeview | FileCheck %s2 3; C++ source to regenerate:4; $ cat t.cpp5; #pragma pack(1)6; struct S0 {7; char : 8;8; short : 8;9; short x : 8;10; } s0;11;12; #pragma pack(1)13; struct S1 {14; char x1[2];15; char x2;16; int y : 23;17; int z : 23;18; int w : 2;19; struct { char c; short s; } v;20; short u : 3;21; } s1;22;23; #pragma pack(1)24; struct S2 {25; char : 0;26; int y : 1;27; } s2;28; $ clang t.cpp -S -emit-llvm -g -gcodeview -o t.ll29 30; CHECK: CodeViewTypes [31; CHECK: BitField ([[S0_x:.*]]) {32; CHECK: TypeLeafKind: LF_BITFIELD (0x1205)33; CHECK: Type: short (0x11)34; CHECK: BitSize: 835; CHECK: BitOffset: 836; CHECK: }37; CHECK: FieldList ([[S0_fl:.*]]) {38; CHECK: TypeLeafKind: LF_FIELDLIST (0x1203)39; CHECK: DataMember {40; CHECK: Type: [[S0_x:.*]]41; CHECK: FieldOffset: 0x142; CHECK: Name: x43; CHECK: }44; CHECK: }45; CHECK: Struct ({{.*}}) {46; CHECK: TypeLeafKind: LF_STRUCTURE (0x1505)47; CHECK: MemberCount: 148; CHECK: Properties [ (0x0)49; CHECK: ]50; CHECK: FieldList: <field list> ([[S0_fl]])51; CHECK: SizeOf: 352; CHECK: Name: S053; CHECK: }54; CHECK: BitField ([[S1_y_z:.*]]) {55; CHECK: TypeLeafKind: LF_BITFIELD (0x1205)56; CHECK: Type: int (0x74)57; CHECK: BitSize: 2358; CHECK: BitOffset: 059; CHECK: }60; CHECK: BitField ([[S1_w:.*]]) {61; CHECK: TypeLeafKind: LF_BITFIELD (0x1205)62; CHECK: Type: int (0x74)63; CHECK: BitSize: 264; CHECK: BitOffset: 2365; CHECK: }66; CHECK: FieldList ([[anon_fl:.*]]) {67; CHECK: TypeLeafKind: LF_FIELDLIST (0x1203)68; CHECK: DataMember {69; CHECK: TypeLeafKind: LF_MEMBER (0x150D)70; CHECK: Type: char (0x70)71; CHECK: FieldOffset: 0x072; CHECK: Name: c73; CHECK: }74; CHECK: DataMember {75; CHECK: TypeLeafKind: LF_MEMBER (0x150D)76; CHECK: Type: short (0x11)77; CHECK: FieldOffset: 0x178; CHECK: Name: s79; CHECK: }80; CHECK: }81; CHECK: Struct ([[anon_ty:.*]]) {82; CHECK: TypeLeafKind: LF_STRUCTURE (0x1505)83; CHECK: MemberCount: 284; CHECK: Properties [ (0x8)85; CHECK: Nested (0x8)86; CHECK: ]87; CHECK: FieldList: <field list> ([[anon_fl]])88; CHECK: SizeOf: 389; CHECK: Name: S1::<unnamed-tag>90; CHECK: }91; CHECK: BitField ([[S1_u:.*]]) {92; CHECK: TypeLeafKind: LF_BITFIELD (0x1205)93; CHECK: Type: short (0x11)94; CHECK: BitSize: 395; CHECK: BitOffset: 096; CHECK: }97; CHECK: FieldList ([[S1_fl:.*]]) {98; CHECK: TypeLeafKind: LF_FIELDLIST (0x1203)99; CHECK: DataMember {100; CHECK: FieldOffset: 0x0101; CHECK: Name: x1102; CHECK: }103; CHECK: DataMember {104; CHECK: Type: char (0x70)105; CHECK: FieldOffset: 0x2106; CHECK: Name: x2107; CHECK: }108; CHECK: DataMember {109; CHECK: Type: [[S1_y_z]]110; CHECK: FieldOffset: 0x3111; CHECK: Name: y112; CHECK: }113; CHECK: DataMember {114; CHECK: Type: [[S1_y_z]]115; CHECK: FieldOffset: 0x7116; CHECK: Name: z117; CHECK: }118; CHECK: DataMember {119; CHECK: Type: [[S1_w]]120; CHECK: FieldOffset: 0x7121; CHECK: Name: w122; CHECK: }123; CHECK: DataMember {124; CHECK: Type: S1::<unnamed-tag> ([[anon_ty]])125; CHECK: FieldOffset: 0xB126; CHECK: Name: v127; CHECK: }128; CHECK: DataMember {129; CHECK: Type: [[S1_u]]130; CHECK: FieldOffset: 0xE131; CHECK: Name: u132; CHECK: }133; CHECK: }134; CHECK: Struct ({{.*}}) {135; CHECK: TypeLeafKind: LF_STRUCTURE (0x1505)136; CHECK: MemberCount: 7137; CHECK: Properties [ (0x0)138; CHECK: ]139; CHECK: FieldList: <field list> ([[S1_fl]])140; CHECK: SizeOf: 16141; CHECK: Name: S1142; CHECK: }143; CHECK: BitField ([[S2_y:.*]]) {144; CHECK: TypeLeafKind: LF_BITFIELD (0x1205)145; CHECK: Type: int (0x74)146; CHECK: BitSize: 1147; CHECK: BitOffset: 0148; CHECK: }149; CHECK: FieldList ([[S2_fl:.*]]) {150; CHECK: TypeLeafKind: LF_FIELDLIST (0x1203)151; CHECK: DataMember {152; CHECK: Type: [[S2_y]]153; CHECK: FieldOffset: 0x0154; CHECK: Name: y155; CHECK: }156; CHECK: }157; CHECK: Struct ({{.*}}) {158; CHECK: TypeLeafKind: LF_STRUCTURE (0x1505)159; CHECK: MemberCount: 1160; CHECK: Properties [ (0x0)161; CHECK: ]162; CHECK: FieldList: <field list> ([[S2_fl]])163; CHECK: SizeOf: 4164; CHECK: Name: S2165; CHECK: }166 167source_filename = "test/DebugInfo/COFF/bitfields.ll"168target datalayout = "e-m:x-p:32:32-i64:64-f80:32-n8:16:32-a:0:32-S32"169target triple = "x86_64-pc-windows-msvc18.0.0"170 171%struct.S0 = type <{ i8, i16 }>172%struct.S1 = type <{ [2 x i8], i8, i32, i32, %struct.anon, i16 }>173%struct.anon = type <{ i8, i16 }>174%struct.S2 = type { i32 }175 176@s0 = common global %struct.S0 zeroinitializer, align 1, !dbg !0177@s1 = common global %struct.S1 zeroinitializer, align 1, !dbg !6178@s2 = common global %struct.S2 zeroinitializer, align 1, !dbg !28179 180!llvm.dbg.cu = !{!2}181!llvm.module.flags = !{!36, !37, !38}182!llvm.ident = !{!39}183 184!0 = distinct !DIGlobalVariableExpression(var: !1, expr: !DIExpression())185!1 = !DIGlobalVariable(name: "s0", scope: !2, file: !8, line: 7, type: !33, isLocal: false, isDefinition: true)186!2 = distinct !DICompileUnit(language: DW_LANG_C99, file: !3, producer: "clang version 3.9.0 (trunk 273812) (llvm/trunk 273843)", isOptimized: false, runtimeVersion: 0, emissionKind: FullDebug, enums: !4, globals: !5)187!3 = !DIFile(filename: "-", directory: "/usr/local/google/home/majnemer/llvm/src")188!4 = !{}189!5 = !{!0, !6, !28}190!6 = distinct !DIGlobalVariableExpression(var: !7, expr: !DIExpression())191!7 = !DIGlobalVariable(name: "s1", scope: !2, file: !8, line: 18, type: !9, isLocal: false, isDefinition: true)192!8 = !DIFile(filename: "<stdin>", directory: "/usr/local/google/home/majnemer/llvm/src")193!9 = distinct !DICompositeType(tag: DW_TAG_structure_type, name: "S1", file: !8, line: 10, size: 128, elements: !10)194!10 = !{!11, !16, !17, !19, !20, !21, !27}195!11 = !DIDerivedType(tag: DW_TAG_member, name: "x1", scope: !9, file: !8, line: 11, baseType: !12, size: 16)196!12 = !DICompositeType(tag: DW_TAG_array_type, baseType: !13, size: 16, elements: !14)197!13 = !DIBasicType(name: "char", size: 8, encoding: DW_ATE_signed_char)198!14 = !{!15}199!15 = !DISubrange(count: 2)200!16 = !DIDerivedType(tag: DW_TAG_member, name: "x2", scope: !9, file: !8, line: 12, baseType: !13, size: 8, offset: 16)201!17 = !DIDerivedType(tag: DW_TAG_member, name: "y", scope: !9, file: !8, line: 13, baseType: !18, size: 23, offset: 24, flags: DIFlagBitField, extraData: i64 24)202!18 = !DIBasicType(name: "int", size: 32, encoding: DW_ATE_signed)203!19 = !DIDerivedType(tag: DW_TAG_member, name: "z", scope: !9, file: !8, line: 14, baseType: !18, size: 23, offset: 56, flags: DIFlagBitField, extraData: i64 56)204!20 = !DIDerivedType(tag: DW_TAG_member, name: "w", scope: !9, file: !8, line: 15, baseType: !18, size: 2, offset: 79, flags: DIFlagBitField, extraData: i64 56)205!21 = !DIDerivedType(tag: DW_TAG_member, name: "v", scope: !9, file: !8, line: 16, baseType: !22, size: 24, offset: 88)206!22 = distinct !DICompositeType(tag: DW_TAG_structure_type, scope: !9, file: !8, line: 16, size: 24, elements: !23)207!23 = !{!24, !25}208!24 = !DIDerivedType(tag: DW_TAG_member, name: "c", scope: !22, file: !8, line: 16, baseType: !13, size: 8)209!25 = !DIDerivedType(tag: DW_TAG_member, name: "s", scope: !22, file: !8, line: 16, baseType: !26, size: 16, offset: 8)210!26 = !DIBasicType(name: "short", size: 16, encoding: DW_ATE_signed)211!27 = !DIDerivedType(tag: DW_TAG_member, name: "u", scope: !9, file: !8, line: 17, baseType: !26, size: 3, offset: 112, flags: DIFlagBitField, extraData: i64 112)212!28 = distinct !DIGlobalVariableExpression(var: !29, expr: !DIExpression())213!29 = !DIGlobalVariable(name: "s2", scope: !2, file: !8, line: 24, type: !30, isLocal: false, isDefinition: true)214!30 = distinct !DICompositeType(tag: DW_TAG_structure_type, name: "S2", file: !8, line: 21, size: 32, elements: !31)215!31 = !{!32}216!32 = !DIDerivedType(tag: DW_TAG_member, name: "y", scope: !30, file: !8, line: 23, baseType: !18, size: 1, flags: DIFlagBitField, extraData: i64 0)217!33 = distinct !DICompositeType(tag: DW_TAG_structure_type, name: "S0", file: !8, line: 3, size: 24, elements: !34)218!34 = !{!35}219!35 = !DIDerivedType(tag: DW_TAG_member, name: "x", scope: !33, file: !8, line: 6, baseType: !26, size: 8, offset: 16, flags: DIFlagBitField, extraData: i64 8)220!36 = !{i32 2, !"CodeView", i32 1}221!37 = !{i32 2, !"Debug Info Version", i32 3}222!38 = !{i32 1, !"PIC Level", i32 2}223!39 = !{!"clang version 3.9.0 (trunk 273812) (llvm/trunk 273843)"}224 225