1 ; Generated from tools/clang/test/CodeGen/debug-info-packed-struct.c 2 ; ModuleID = 'llvm/tools/clang/test/CodeGen/debug-info-packed-struct.c' 3 target datalayout = "e-m:o-i64:64-f80:128-n8:16:32:64-S128" 4 target triple = "x86_64-apple-darwin" 5 6 ; RUN: %llc_dwarf -O0 -filetype=obj -o %t.o %s 7 ; RUN: llvm-dwarfdump -debug-dump=info %t.o | FileCheck %s 8 ; REQUIRES: object-emission 9 10 ; // --------------------------------------------------------------------- 11 ; // Not packed. 12 ; // --------------------------------------------------------------------- 13 ; struct size8 { 14 ; int i : 4; 15 ; long long l : 60; 16 ; }; 17 ; struct layout0 { 18 ; char l0_ofs0; 19 ; struct size8 l0_ofs8; 20 ; int l0_ofs16 : 1; 21 ; } l0; 22 23 %struct.layout0 = type { i8, %struct.size8, i8 } 24 %struct.size8 = type { i64 } 25 ; CHECK: DW_TAG_structure_type 26 ; CHECK: DW_AT_name {{.*}} "layout0" 27 ; CHECK: DW_AT_byte_size {{.*}} (0x18) 28 ; CHECK: DW_TAG_member 29 ; CHECK: DW_AT_name {{.*}} "l0_ofs0" 30 ; CHECK: DW_AT_data_member_location {{.*}}00 31 ; CHECK: DW_TAG_member 32 ; CHECK: DW_AT_name {{.*}} "l0_ofs8" 33 ; CHECK: DW_AT_data_member_location {{.*}}08 34 ; CHECK: DW_TAG_member 35 ; CHECK: DW_AT_name {{.*}} "l0_ofs16" 36 ; CHECK: DW_AT_bit_size {{.*}} (0x01) 37 ; CHECK: DW_AT_bit_offset {{.*}} (0x1f) 38 ; CHECK: DW_AT_data_member_location {{.*}}10 39 40 41 ; // --------------------------------------------------------------------- 42 ; // Implicitly packed. 43 ; // --------------------------------------------------------------------- 44 ; struct size8_anon { 45 ; int : 4; 46 ; long long : 60; 47 ; }; 48 ; struct layout1 { 49 ; char l1_ofs0; 50 ; struct size8_anon l1_ofs1; 51 ; int l1_ofs9 : 1; 52 ; } l1; 53 54 %struct.layout1 = type <{ i8, %struct.size8_anon, i8, [2 x i8] }> 55 %struct.size8_anon = type { i64 } 56 57 ; CHECK: DW_TAG_structure_type 58 ; CHECK: DW_AT_name {{.*}} "layout1" 59 ; CHECK: DW_AT_byte_size {{.*}} (0x0c) 60 ; CHECK: DW_TAG_member 61 ; CHECK: DW_AT_name {{.*}} "l1_ofs0" 62 ; CHECK: DW_AT_data_member_location {{.*}}00 63 ; CHECK: DW_TAG_member 64 ; CHECK: DW_AT_name {{.*}} "l1_ofs1" 65 ; CHECK: DW_AT_data_member_location {{.*}}01 66 ; CHECK: DW_TAG_member 67 ; CHECK: DW_AT_name {{.*}} "l1_ofs9" 68 ; CHECK: DW_AT_byte_size {{.*}} (0x04) 69 ; CHECK: DW_AT_bit_size {{.*}} (0x01) 70 ; CHECK: DW_AT_bit_offset {{.*}} (0x17) 71 ; CHECK: DW_AT_data_member_location {{.*}}08 72 73 ; // --------------------------------------------------------------------- 74 ; // Explicitly packed. 75 ; // --------------------------------------------------------------------- 76 ; #pragma pack(1) 77 ; struct size8_pack1 { 78 ; int i : 4; 79 ; long long l : 60; 80 ; }; 81 ; struct layout2 { 82 ; char l2_ofs0; 83 ; struct size8_pack1 l2_ofs1; 84 ; int l2_ofs9 : 1; 85 ; } l2; 86 ; #pragma pack() 87 88 %struct.layout2 = type <{ i8, %struct.size8_pack1, i8 }> 89 %struct.size8_pack1 = type { i64 } 90 91 ; CHECK: DW_TAG_structure_type 92 ; CHECK: DW_AT_name {{.*}} "layout2" 93 ; CHECK: DW_AT_byte_size {{.*}} (0x0a) 94 ; CHECK: DW_TAG_member 95 ; CHECK: DW_AT_name {{.*}} "l2_ofs0" 96 ; CHECK: DW_AT_data_member_location {{.*}}00 97 ; CHECK: DW_TAG_member 98 ; CHECK: DW_AT_name {{.*}} "l2_ofs1" 99 ; CHECK: DW_AT_data_member_location {{.*}}01 100 ; CHECK: DW_TAG_member 101 ; CHECK: DW_AT_name {{.*}} "l2_ofs9" 102 ; CHECK: DW_AT_byte_size {{.*}} (0x04) 103 ; CHECK: DW_AT_bit_size {{.*}} (0x01) 104 ; CHECK: DW_AT_bit_offset {{.*}} (0x17) 105 ; CHECK: DW_AT_data_member_location {{.*}}08 106 107 ; // --------------------------------------------------------------------- 108 ; // Explicitly packed with different alignment. 109 ; // --------------------------------------------------------------------- 110 ; #pragma pack(4) 111 ; struct size8_pack4 { 112 ; int i : 4; 113 ; long long l : 60; 114 ; }; 115 ; struct layout3 { 116 ; char l3_ofs0; 117 ; struct size8_pack4 l3_ofs4; 118 ; int l3_ofs12 : 1; 119 ; } l 3; 120 ; #pragma pack() 121 122 123 %struct.layout3 = type <{ i8, [3 x i8], %struct.size8_pack4, i8, [3 x i8] }> 124 %struct.size8_pack4 = type { i64 } 125 126 ; CHECK: DW_TAG_structure_type 127 ; CHECK: DW_AT_name {{.*}} "layout3" 128 ; CHECK: DW_AT_byte_size {{.*}} (0x10) 129 ; CHECK: DW_TAG_member 130 ; CHECK: DW_AT_name {{.*}} "l3_ofs0" 131 ; CHECK: DW_AT_data_member_location {{.*}}00 132 ; CHECK: DW_TAG_member 133 ; CHECK: DW_AT_name {{.*}} "l3_ofs4" 134 ; CHECK: DW_AT_data_member_location {{.*}}04 135 ; CHECK: DW_TAG_member 136 ; CHECK: DW_AT_name {{.*}} "l3_ofs12" 137 ; CHECK: DW_AT_byte_size {{.*}} (0x04) 138 ; CHECK: DW_AT_bit_size {{.*}} (0x01) 139 ; CHECK: DW_AT_bit_offset {{.*}} (0x1f) 140 ; CHECK: DW_AT_data_member_location {{.*}}0c 141 142 @l0 = common global %struct.layout0 zeroinitializer, align 8 143 @l1 = common global %struct.layout1 zeroinitializer, align 4 144 @l2 = common global %struct.layout2 zeroinitializer, align 1 145 @l3 = common global %struct.layout3 zeroinitializer, align 4 146 147 !llvm.dbg.cu = !{!0} 148 !llvm.module.flags = !{!45, !46} 149 !llvm.ident = !{!47} 150 151 !0 = distinct !DICompileUnit(language: DW_LANG_C99, file: !1, producer: "clang version 3.7.0 (trunk 240791) (llvm/trunk 240790)", isOptimized: false, runtimeVersion: 0, emissionKind: FullDebug, enums: !2, retainedTypes: !2, globals: !3, imports: !2) 152 !1 = !DIFile(filename: "/llvm/tools/clang/test/CodeGen/<stdin>", directory: "/llvm/_build.ninja.release") 153 !2 = !{} 154 !3 = !{!4, !18, !25, !35} 155 !4 = !DIGlobalVariable(name: "l0", scope: !0, file: !5, line: 88, type: !6, isLocal: false, isDefinition: true, variable: %struct.layout0* @l0) 156 !5 = !DIFile(filename: "/llvm/tools/clang/test/CodeGen/debug-info-packed-struct.c", directory: "/llvm/_build.ninja.release") 157 !6 = !DICompositeType(tag: DW_TAG_structure_type, name: "layout0", file: !5, line: 15, size: 192, align: 64, elements: !7) 158 !7 = !{!8, !10, !17} 159 !8 = !DIDerivedType(tag: DW_TAG_member, name: "l0_ofs0", scope: !6, file: !5, line: 16, baseType: !9, size: 8, align: 8) 160 !9 = !DIBasicType(name: "char", size: 8, align: 8, encoding: DW_ATE_signed_char) 161 !10 = !DIDerivedType(tag: DW_TAG_member, name: "l0_ofs8", scope: !6, file: !5, line: 17, baseType: !11, size: 64, align: 64, offset: 64) 162 !11 = !DICompositeType(tag: DW_TAG_structure_type, name: "size8", file: !5, line: 11, size: 64, align: 64, elements: !12) 163 !12 = !{!13, !15} 164 !13 = !DIDerivedType(tag: DW_TAG_member, name: "i", scope: !11, file: !5, line: 12, baseType: !14, size: 4, align: 32) 165 !14 = !DIBasicType(name: "int", size: 32, align: 32, encoding: DW_ATE_signed) 166 !15 = !DIDerivedType(tag: DW_TAG_member, name: "l", scope: !11, file: !5, line: 13, baseType: !16, size: 60, offset: 4) 167 !16 = !DIBasicType(name: "long long int", size: 64, align: 64, encoding: DW_ATE_signed) 168 !17 = !DIDerivedType(tag: DW_TAG_member, name: "l0_ofs16", scope: !6, file: !5, line: 18, baseType: !14, size: 1, align: 32, offset: 128) 169 !18 = !DIGlobalVariable(name: "l1", scope: !0, file: !5, line: 89, type: !19, isLocal: false, isDefinition: true, variable: %struct.layout1* @l1) 170 !19 = !DICompositeType(tag: DW_TAG_structure_type, name: "layout1", file: !5, line: 34, size: 96, align: 32, elements: !20) 171 !20 = !{!21, !22, !24} 172 !21 = !DIDerivedType(tag: DW_TAG_member, name: "l1_ofs0", scope: !19, file: !5, line: 35, baseType: !9, size: 8, align: 8) 173 !22 = !DIDerivedType(tag: DW_TAG_member, name: "l1_ofs1", scope: !19, file: !5, line: 36, baseType: !23, size: 64, align: 8, offset: 8) 174 !23 = !DICompositeType(tag: DW_TAG_structure_type, name: "size8_anon", file: !5, line: 30, size: 64, align: 8, elements: !2) 175 !24 = !DIDerivedType(tag: DW_TAG_member, name: "l1_ofs9", scope: !19, file: !5, line: 37, baseType: !14, size: 1, align: 32, offset: 72) 176 !25 = !DIGlobalVariable(name: "l2", scope: !0, file: !5, line: 90, type: !26, isLocal: false, isDefinition: true, variable: %struct.layout2* @l2) 177 !26 = !DICompositeType(tag: DW_TAG_structure_type, name: "layout2", file: !5, line: 54, size: 80, align: 8, elements: !27) 178 !27 = !{!28, !29, !34} 179 !28 = !DIDerivedType(tag: DW_TAG_member, name: "l2_ofs0", scope: !26, file: !5, line: 55, baseType: !9, size: 8, align: 8) 180 !29 = !DIDerivedType(tag: DW_TAG_member, name: "l2_ofs1", scope: !26, file: !5, line: 56, baseType: !30, size: 64, align: 8, offset: 8) 181 !30 = !DICompositeType(tag: DW_TAG_structure_type, name: "size8_pack1", file: !5, line: 50, size: 64, align: 8, elements: !31) 182 !31 = !{!32, !33} 183 !32 = !DIDerivedType(tag: DW_TAG_member, name: "i", scope: !30, file: !5, line: 51, baseType: !14, size: 4, align: 32) 184 !33 = !DIDerivedType(tag: DW_TAG_member, name: "l", scope: !30, file: !5, line: 52, baseType: !16, size: 60, offset: 4) 185 !34 = !DIDerivedType(tag: DW_TAG_member, name: "l2_ofs9", scope: !26, file: !5, line: 57, baseType: !14, size: 1, align: 32, offset: 72) 186 !35 = !DIGlobalVariable(name: "l3", scope: !0, file: !5, line: 91, type: !36, isLocal: false, isDefinition: true, variable: %struct.layout3* @l3) 187 !36 = !DICompositeType(tag: DW_TAG_structure_type, name: "layout3", file: !5, line: 76, size: 128, align: 32, elements: !37) 188 !37 = !{!38, !39, !44} 189 !38 = !DIDerivedType(tag: DW_TAG_member, name: "l3_ofs0", scope: !36, file: !5, line: 77, baseType: !9, size: 8, align: 8) 190 !39 = !DIDerivedType(tag: DW_TAG_member, name: "l3_ofs4", scope: !36, file: !5, line: 78, baseType: !40, size: 64, align: 32, offset: 32) 191 !40 = !DICompositeType(tag: DW_TAG_structure_type, name: "size8_pack4", file: !5, line: 72, size: 64, align: 32, elements: !41) 192 !41 = !{!42, !43} 193 !42 = !DIDerivedType(tag: DW_TAG_member, name: "i", scope: !40, file: !5, line: 73, baseType: !14, size: 4, align: 32) 194 !43 = !DIDerivedType(tag: DW_TAG_member, name: "l", scope: !40, file: !5, line: 74, baseType: !16, size: 60, offset: 4) 195 !44 = !DIDerivedType(tag: DW_TAG_member, name: "l3_ofs12", scope: !36, file: !5, line: 79, baseType: !14, size: 1, align: 32, offset: 96) 196 !45 = !{i32 2, !"Dwarf Version", i32 2} 197 !46 = !{i32 2, !"Debug Info Version", i32 3} 198 !47 = !{!"clang version 3.7.0 (trunk 240791) (llvm/trunk 240790)"} 199
