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: } 175 176 target datalayout = "e-m:x-p:32:32-i64:64-f80:32-n8:16:32-a:0:32-S32" 177 target 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