1; RUN: llc < %s -filetype=obj | llvm-readobj - -codeview | FileCheck %s 2 3; C++ source to regenerate: 4; $ cat t.cpp 5; #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.ll 29 30; CHECK: CodeViewTypes [ 31; CHECK: BitField ([[S0_x:.*]]) { 32; CHECK: TypeLeafKind: LF_BITFIELD (0x1205) 33; CHECK: Type: short (0x11) 34; CHECK: BitSize: 8 35; CHECK: BitOffset: 8 36; CHECK: } 37; CHECK: FieldList ([[S0_fl:.*]]) { 38; CHECK: TypeLeafKind: LF_FIELDLIST (0x1203) 39; CHECK: DataMember { 40; CHECK: Type: [[S0_x:.*]] 41; CHECK: FieldOffset: 0x1 42; CHECK: Name: x 43; CHECK: } 44; CHECK: } 45; CHECK: Struct ({{.*}}) { 46; CHECK: TypeLeafKind: LF_STRUCTURE (0x1505) 47; CHECK: MemberCount: 1 48; CHECK: Properties [ (0x0) 49; CHECK: ] 50; CHECK: FieldList: <field list> ([[S0_fl]]) 51; CHECK: SizeOf: 3 52; CHECK: Name: S0 53; CHECK: } 54; CHECK: BitField ([[S1_y_z:.*]]) { 55; CHECK: TypeLeafKind: LF_BITFIELD (0x1205) 56; CHECK: Type: int (0x74) 57; CHECK: BitSize: 23 58; CHECK: BitOffset: 0 59; CHECK: } 60; CHECK: BitField ([[S1_w:.*]]) { 61; CHECK: TypeLeafKind: LF_BITFIELD (0x1205) 62; CHECK: Type: int (0x74) 63; CHECK: BitSize: 2 64; CHECK: BitOffset: 23 65; CHECK: } 66; CHECK: Struct ([[anon_ty:.*]]) { 67; CHECK: TypeLeafKind: LF_STRUCTURE (0x1505) 68; CHECK: MemberCount: 0 69; CHECK: Properties [ (0x88) 70; CHECK: ForwardReference (0x80) 71; CHECK: Nested (0x8) 72; CHECK: ] 73; CHECK: FieldList: 0x0 74; CHECK: SizeOf: 0 75; CHECK: Name: S1::<unnamed-tag> 76; CHECK: } 77; CHECK: BitField ([[S1_u:.*]]) { 78; CHECK: TypeLeafKind: LF_BITFIELD (0x1205) 79; CHECK: Type: short (0x11) 80; CHECK: BitSize: 3 81; CHECK: BitOffset: 0 82; CHECK: } 83; CHECK: FieldList ([[S1_fl:.*]]) { 84; CHECK: TypeLeafKind: LF_FIELDLIST (0x1203) 85; CHECK: DataMember { 86; CHECK: FieldOffset: 0x0 87; CHECK: Name: x1 88; CHECK: } 89; CHECK: DataMember { 90; CHECK: Type: char (0x70) 91; CHECK: FieldOffset: 0x2 92; CHECK: Name: x2 93; CHECK: } 94; CHECK: DataMember { 95; CHECK: Type: [[S1_y_z]] 96; CHECK: FieldOffset: 0x3 97; CHECK: Name: y 98; CHECK: } 99; CHECK: DataMember { 100; CHECK: Type: [[S1_y_z]] 101; CHECK: FieldOffset: 0x7 102; CHECK: Name: z 103; CHECK: } 104; CHECK: DataMember { 105; CHECK: Type: [[S1_w]] 106; CHECK: FieldOffset: 0x7 107; CHECK: Name: w 108; CHECK: } 109; CHECK: DataMember { 110; CHECK: Type: S1::<unnamed-tag> ([[anon_ty]]) 111; CHECK: FieldOffset: 0xB 112; CHECK: Name: v 113; CHECK: } 114; CHECK: DataMember { 115; CHECK: Type: [[S1_u]] 116; CHECK: FieldOffset: 0xE 117; CHECK: Name: u 118; CHECK: } 119; CHECK: } 120; CHECK: Struct ({{.*}}) { 121; CHECK: TypeLeafKind: LF_STRUCTURE (0x1505) 122; CHECK: MemberCount: 7 123; CHECK: Properties [ (0x0) 124; CHECK: ] 125; CHECK: FieldList: <field list> ([[S1_fl]]) 126; CHECK: SizeOf: 16 127; CHECK: Name: S1 128; CHECK: } 129; CHECK: FieldList ([[anon_fl:.*]]) { 130; CHECK: TypeLeafKind: LF_FIELDLIST (0x1203) 131; CHECK: DataMember { 132; CHECK: Type: char (0x70) 133; CHECK: FieldOffset: 0x0 134; CHECK: Name: c 135; CHECK: } 136; CHECK: DataMember { 137; CHECK: Type: short (0x11) 138; CHECK: FieldOffset: 0x1 139; CHECK: Name: s 140; CHECK: } 141; CHECK: } 142; CHECK: Struct ({{.*}}) { 143; CHECK: TypeLeafKind: LF_STRUCTURE (0x1505) 144; CHECK: MemberCount: 2 145; CHECK: Properties [ (0x8) 146; CHECK: Nested (0x8) 147; CHECK: ] 148; CHECK: FieldList: <field list> ([[anon_fl]]) 149; CHECK: SizeOf: 3 150; CHECK: Name: S1::<unnamed-tag> 151; CHECK: } 152; CHECK: BitField ([[S2_y:.*]]) { 153; CHECK: TypeLeafKind: LF_BITFIELD (0x1205) 154; CHECK: Type: int (0x74) 155; CHECK: BitSize: 1 156; CHECK: BitOffset: 0 157; CHECK: } 158; CHECK: FieldList ([[S2_fl:.*]]) { 159; CHECK: TypeLeafKind: LF_FIELDLIST (0x1203) 160; CHECK: DataMember { 161; CHECK: Type: [[S2_y]] 162; CHECK: FieldOffset: 0x0 163; CHECK: Name: y 164; CHECK: } 165; CHECK: } 166; CHECK: Struct ({{.*}}) { 167; CHECK: TypeLeafKind: LF_STRUCTURE (0x1505) 168; CHECK: MemberCount: 1 169; CHECK: Properties [ (0x0) 170; CHECK: ] 171; CHECK: FieldList: <field list> ([[S2_fl]]) 172; CHECK: SizeOf: 4 173; CHECK: Name: S2 174; CHECK: } 175 176target datalayout = "e-m:x-p:32:32-i64:64-f80:32-n8:16:32-a:0:32-S32" 177target triple = "x86_64-pc-windows-msvc18.0.0" 178 179%struct.S0 = type <{ i8, i16 }> 180%struct.S1 = type <{ [2 x i8], i8, i32, i32, %struct.anon, i16 }> 181%struct.anon = type <{ i8, i16 }> 182%struct.S2 = type { i32 } 183 184@s0 = common global %struct.S0 zeroinitializer, align 1 185@s1 = common global %struct.S1 zeroinitializer, align 1 186@s2 = common global %struct.S2 zeroinitializer, align 1 187 188!llvm.dbg.cu = !{!0} 189!llvm.module.flags = !{!33, !34, !35} 190!llvm.ident = !{!36} 191 192!0 = distinct !DICompileUnit(language: DW_LANG_C99, file: !1, producer: "clang version 3.9.0 (trunk 273812) (llvm/trunk 273843)", isOptimized: false, runtimeVersion: 0, emissionKind: FullDebug, enums: !2, globals: !3) 193!1 = !DIFile(filename: "-", directory: "/usr/local/google/home/majnemer/llvm/src") 194!2 = !{} 195!3 = !{!4, !10, !29} 196!4 = distinct !DIGlobalVariable(name: "s0", scope: !0, file: !5, line: 7, type: !6, isLocal: false, isDefinition: true, variable: %struct.S0* @s0) 197!5 = !DIFile(filename: "<stdin>", directory: "/usr/local/google/home/majnemer/llvm/src") 198!6 = distinct !DICompositeType(tag: DW_TAG_structure_type, name: "S0", file: !5, line: 3, size: 24, align: 8, elements: !7) 199!7 = !{!8} 200!8 = !DIDerivedType(tag: DW_TAG_member, name: "x", scope: !6, file: !5, line: 6, baseType: !9, size: 8, align: 16, offset: 16, flags: DIFlagBitField, extraData: i64 8) 201!9 = !DIBasicType(name: "short", size: 16, align: 16, encoding: DW_ATE_signed) 202!10 = distinct !DIGlobalVariable(name: "s1", scope: !0, file: !5, line: 18, type: !11, isLocal: false, isDefinition: true, variable: %struct.S1* @s1) 203!11 = distinct !DICompositeType(tag: DW_TAG_structure_type, name: "S1", file: !5, line: 10, size: 128, align: 8, elements: !12) 204!12 = !{!13, !18, !19, !21, !22, !23, !28} 205!13 = !DIDerivedType(tag: DW_TAG_member, name: "x1", scope: !11, file: !5, line: 11, baseType: !14, size: 16, align: 8) 206!14 = !DICompositeType(tag: DW_TAG_array_type, baseType: !15, size: 16, align: 8, elements: !16) 207!15 = !DIBasicType(name: "char", size: 8, align: 8, encoding: DW_ATE_signed_char) 208!16 = !{!17} 209!17 = !DISubrange(count: 2) 210!18 = !DIDerivedType(tag: DW_TAG_member, name: "x2", scope: !11, file: !5, line: 12, baseType: !15, size: 8, align: 8, offset: 16) 211!19 = !DIDerivedType(tag: DW_TAG_member, name: "y", scope: !11, file: !5, line: 13, baseType: !20, size: 23, align: 32, offset: 24, flags: DIFlagBitField, extraData: i64 24) 212!20 = !DIBasicType(name: "int", size: 32, align: 32, encoding: DW_ATE_signed) 213!21 = !DIDerivedType(tag: DW_TAG_member, name: "z", scope: !11, file: !5, line: 14, baseType: !20, size: 23, align: 32, offset: 56, flags: DIFlagBitField, extraData: i64 56) 214!22 = !DIDerivedType(tag: DW_TAG_member, name: "w", scope: !11, file: !5, line: 15, baseType: !20, size: 2, align: 32, offset: 79, flags: DIFlagBitField, extraData: i64 56) 215!23 = !DIDerivedType(tag: DW_TAG_member, name: "v", scope: !11, file: !5, line: 16, baseType: !24, size: 24, align: 8, offset: 88) 216!24 = distinct !DICompositeType(tag: DW_TAG_structure_type, scope: !11, file: !5, line: 16, size: 24, align: 8, elements: !25) 217!25 = !{!26, !27} 218!26 = !DIDerivedType(tag: DW_TAG_member, name: "c", scope: !24, file: !5, line: 16, baseType: !15, size: 8, align: 8) 219!27 = !DIDerivedType(tag: DW_TAG_member, name: "s", scope: !24, file: !5, line: 16, baseType: !9, size: 16, align: 16, offset: 8) 220!28 = !DIDerivedType(tag: DW_TAG_member, name: "u", scope: !11, file: !5, line: 17, baseType: !9, size: 3, align: 16, offset: 112, flags: DIFlagBitField, extraData: i64 112) 221!29 = distinct !DIGlobalVariable(name: "s2", scope: !0, file: !5, line: 24, type: !30, isLocal: false, isDefinition: true, variable: %struct.S2* @s2) 222!30 = distinct !DICompositeType(tag: DW_TAG_structure_type, name: "S2", file: !5, line: 21, size: 32, align: 8, elements: !31) 223!31 = !{!32} 224!32 = !DIDerivedType(tag: DW_TAG_member, name: "y", scope: !30, file: !5, line: 23, baseType: !20, size: 1, align: 32, flags: DIFlagBitField, extraData: i64 0) 225!33 = !{i32 2, !"CodeView", i32 1} 226!34 = !{i32 2, !"Debug Info Version", i32 3} 227!35 = !{i32 1, !"PIC Level", i32 2} 228!36 = !{!"clang version 3.9.0 (trunk 273812) (llvm/trunk 273843)"} 229