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 source_filename = "test/DebugInfo/X86/debug-info-packed-struct.ll" 4 target datalayout = "e-m:o-i64:64-f80:128-n8:16:32:64-S128" 5 target triple = "x86_64-apple-darwin" 6 ; RUN: %llc_dwarf -O0 -filetype=obj -o %t.o %s 7 ; RUN: llvm-dwarfdump -v -debug-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 %struct.layout1 = type <{ i8, %struct.size8_anon, i8, [2 x i8] }> 26 %struct.size8_anon = type { i64 } 27 ; CHECK: DW_TAG_structure_type 28 ; CHECK: DW_AT_name {{.*}} "layout0" 29 ; CHECK: DW_AT_byte_size {{.*}} (0x18) 30 ; CHECK: DW_TAG_member 31 ; CHECK: DW_AT_name {{.*}} "l0_ofs0" 32 ; CHECK: DW_AT_data_member_location {{.*}} (DW_OP_plus_uconst 0x0) 33 ; CHECK: DW_TAG_member 34 ; CHECK: DW_AT_name {{.*}} "l0_ofs8" 35 ; CHECK: DW_AT_data_member_location {{.*}} (DW_OP_plus_uconst 0x8) 36 ; CHECK: DW_TAG_member 37 ; CHECK: DW_AT_name {{.*}} "l0_ofs16" 38 ; CHECK: DW_AT_bit_size {{.*}} (0x01) 39 ; CHECK: DW_AT_bit_offset {{.*}} (0x1f) 40 ; CHECK: DW_AT_data_member_location {{.*}} (DW_OP_plus_uconst 0x10) 41 42 ; // --------------------------------------------------------------------- 43 ; // Implicitly packed. 44 ; // --------------------------------------------------------------------- 45 ; struct size8_anon { 46 ; int : 4; 47 ; long long : 60; 48 ; }; 49 ; struct layout1 { 50 ; char l1_ofs0; 51 ; struct size8_anon l1_ofs1; 52 ; int l1_ofs9 : 1; 53 ; } l1; 54 55 %struct.layout2 = type <{ i8, %struct.size8_pack1, i8 }> 56 %struct.size8_pack1 = type { i64 } 57 %struct.layout3 = type <{ i8, [3 x i8], %struct.size8_pack4, i8, [3 x i8] }> 58 %struct.size8_pack4 = type { i64 } 59 60 ; CHECK: DW_TAG_structure_type 61 ; CHECK: DW_AT_name {{.*}} "layout1" 62 ; CHECK: DW_AT_byte_size {{.*}} (0x0c) 63 ; CHECK: DW_TAG_member 64 ; CHECK: DW_AT_name {{.*}} "l1_ofs0" 65 ; CHECK: DW_AT_data_member_location {{.*}} (DW_OP_plus_uconst 0x0) 66 ; CHECK: DW_TAG_member 67 ; CHECK: DW_AT_name {{.*}} "l1_ofs1" 68 ; CHECK: DW_AT_data_member_location {{.*}} (DW_OP_plus_uconst 0x1) 69 ; CHECK: DW_TAG_member 70 ; CHECK: DW_AT_name {{.*}} "l1_ofs9" 71 ; CHECK: DW_AT_byte_size {{.*}} (0x04) 72 ; CHECK: DW_AT_bit_size {{.*}} (0x01) 73 ; CHECK: DW_AT_bit_offset {{.*}} (0x17) 74 ; CHECK: DW_AT_data_member_location {{.*}} (DW_OP_plus_uconst 0x8) 75 76 ; // --------------------------------------------------------------------- 77 ; // Explicitly packed. 78 ; // --------------------------------------------------------------------- 79 ; #pragma pack(1) 80 ; struct size8_pack1 { 81 ; int i : 4; 82 ; long long l : 60; 83 ; }; 84 ; struct layout2 { 85 ; char l2_ofs0; 86 ; struct size8_pack1 l2_ofs1; 87 ; int l2_ofs9 : 1; 88 ; } l2; 89 ; #pragma pack() 90 91 @l0 = common global %struct.layout0 zeroinitializer, align 8, !dbg !0 92 @l1 = common global %struct.layout1 zeroinitializer, align 4, !dbg !6 93 ; CHECK: DW_TAG_structure_type 94 ; CHECK: DW_AT_name {{.*}} "layout2" 95 ; CHECK: DW_AT_byte_size {{.*}} (0x0a) 96 ; CHECK: DW_TAG_member 97 ; CHECK: DW_AT_name {{.*}} "l2_ofs0" 98 ; CHECK: DW_AT_data_member_location {{.*}} (DW_OP_plus_uconst 0x0) 99 ; CHECK: DW_TAG_member 100 ; CHECK: DW_AT_name {{.*}} "l2_ofs1" 101 ; CHECK: DW_AT_data_member_location {{.*}} (DW_OP_plus_uconst 0x1) 102 ; CHECK: DW_TAG_member 103 ; CHECK: DW_AT_name {{.*}} "l2_ofs9" 104 ; CHECK: DW_AT_byte_size {{.*}} (0x04) 105 ; CHECK: DW_AT_bit_size {{.*}} (0x01) 106 ; CHECK: DW_AT_bit_offset {{.*}} (0x17) 107 ; CHECK: DW_AT_data_member_location {{.*}} (DW_OP_plus_uconst 0x8) 108 109 ; // --------------------------------------------------------------------- 110 ; // Explicitly packed with different alignment. 111 ; // --------------------------------------------------------------------- 112 ; #pragma pack(4) 113 ; struct size8_pack4 { 114 ; int i : 4; 115 ; long long l : 60; 116 ; }; 117 ; struct layout3 { 118 ; char l3_ofs0; 119 ; struct size8_pack4 l3_ofs4; 120 ; int l3_ofs12 : 1; 121 ; } l 3; 122 ; #pragma pack() 123 124 @l2 = common global %struct.layout2 zeroinitializer, align 1, !dbg !17 125 @l3 = common global %struct.layout3 zeroinitializer, align 4, !dbg !29 126 ; 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 {{.*}} (DW_OP_plus_uconst 0x0) 132 ; CHECK: DW_TAG_member 133 ; CHECK: DW_AT_name {{.*}} "l3_ofs4" 134 ; CHECK: DW_AT_data_member_location {{.*}} (DW_OP_plus_uconst 0x4) 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 {{.*}} (DW_OP_plus_uconst 0xc) 141 142 !llvm.dbg.cu = !{!2} 143 !llvm.module.flags = !{!49, !50} 144 !llvm.ident = !{!51} 145 146 !0 = !DIGlobalVariableExpression(var: !1, expr: !DIExpression()) 147 !1 = !DIGlobalVariable(name: "l0", scope: !2, file: !8, line: 88, type: !40, isLocal: false, isDefinition: true) 148 !2 = distinct !DICompileUnit(language: DW_LANG_C99, file: !3, producer: "clang version 3.7.0 (trunk 240791) (llvm/trunk 240790)", isOptimized: false, runtimeVersion: 0, emissionKind: FullDebug, enums: !4, retainedTypes: !4, globals: !5, imports: !4) 149 !3 = !DIFile(filename: "/llvm/tools/clang/test/CodeGen/<stdin>", directory: "/llvm/_build.ninja.release") 150 !4 = !{} 151 !5 = !{!0, !6, !17, !29} 152 !6 = !DIGlobalVariableExpression(var: !7, expr: !DIExpression()) 153 !7 = !DIGlobalVariable(name: "l1", scope: !2, file: !8, line: 89, type: !9, isLocal: false, isDefinition: true) 154 !8 = !DIFile(filename: "/llvm/tools/clang/test/CodeGen/debug-info-packed-struct.c", directory: "/llvm/_build.ninja.release") 155 !9 = !DICompositeType(tag: DW_TAG_structure_type, name: "layout1", file: !8, line: 34, size: 96, elements: !10) 156 !10 = !{!11, !13, !15} 157 !11 = !DIDerivedType(tag: DW_TAG_member, name: "l1_ofs0", scope: !9, file: !8, line: 35, baseType: !12, size: 8) 158 !12 = !DIBasicType(name: "char", size: 8, encoding: DW_ATE_signed_char) 159 !13 = !DIDerivedType(tag: DW_TAG_member, name: "l1_ofs1", scope: !9, file: !8, line: 36, baseType: !14, size: 64, offset: 8) 160 !14 = !DICompositeType(tag: DW_TAG_structure_type, name: "size8_anon", file: !8, line: 30, size: 64, elements: !4) 161 !15 = !DIDerivedType(tag: DW_TAG_member, name: "l1_ofs9", scope: !9, file: !8, line: 37, baseType: !16, size: 1, offset: 72) 162 !16 = !DIBasicType(name: "int", size: 32, encoding: DW_ATE_signed) 163 !17 = !DIGlobalVariableExpression(var: !18, expr: !DIExpression()) 164 !18 = !DIGlobalVariable(name: "l2", scope: !2, file: !8, line: 90, type: !19, isLocal: false, isDefinition: true) 165 !19 = !DICompositeType(tag: DW_TAG_structure_type, name: "layout2", file: !8, line: 54, size: 80, elements: !20) 166 !20 = !{!21, !22, !28} 167 !21 = !DIDerivedType(tag: DW_TAG_member, name: "l2_ofs0", scope: !19, file: !8, line: 55, baseType: !12, size: 8) 168 !22 = !DIDerivedType(tag: DW_TAG_member, name: "l2_ofs1", scope: !19, file: !8, line: 56, baseType: !23, size: 64, offset: 8) 169 !23 = !DICompositeType(tag: DW_TAG_structure_type, name: "size8_pack1", file: !8, line: 50, size: 64, elements: !24) 170 !24 = !{!25, !26} 171 !25 = !DIDerivedType(tag: DW_TAG_member, name: "i", scope: !23, file: !8, line: 51, baseType: !16, size: 4) 172 !26 = !DIDerivedType(tag: DW_TAG_member, name: "l", scope: !23, file: !8, line: 52, baseType: !27, size: 60, offset: 4) 173 !27 = !DIBasicType(name: "long long int", size: 64, encoding: DW_ATE_signed) 174 !28 = !DIDerivedType(tag: DW_TAG_member, name: "l2_ofs9", scope: !19, file: !8, line: 57, baseType: !16, size: 1, offset: 72) 175 !29 = !DIGlobalVariableExpression(var: !30, expr: !DIExpression()) 176 !30 = !DIGlobalVariable(name: "l3", scope: !2, file: !8, line: 91, type: !31, isLocal: false, isDefinition: true) 177 !31 = !DICompositeType(tag: DW_TAG_structure_type, name: "layout3", file: !8, line: 76, size: 128, elements: !32) 178 !32 = !{!33, !34, !39} 179 !33 = !DIDerivedType(tag: DW_TAG_member, name: "l3_ofs0", scope: !31, file: !8, line: 77, baseType: !12, size: 8) 180 !34 = !DIDerivedType(tag: DW_TAG_member, name: "l3_ofs4", scope: !31, file: !8, line: 78, baseType: !35, size: 64, offset: 32) 181 !35 = !DICompositeType(tag: DW_TAG_structure_type, name: "size8_pack4", file: !8, line: 72, size: 64, elements: !36) 182 !36 = !{!37, !38} 183 !37 = !DIDerivedType(tag: DW_TAG_member, name: "i", scope: !35, file: !8, line: 73, baseType: !16, size: 4) 184 !38 = !DIDerivedType(tag: DW_TAG_member, name: "l", scope: !35, file: !8, line: 74, baseType: !27, size: 60, offset: 4) 185 !39 = !DIDerivedType(tag: DW_TAG_member, name: "l3_ofs12", scope: !31, file: !8, line: 79, baseType: !16, size: 1, offset: 96) 186 !40 = !DICompositeType(tag: DW_TAG_structure_type, name: "layout0", file: !8, line: 15, size: 192, elements: !41) 187 !41 = !{!42, !43, !48} 188 !42 = !DIDerivedType(tag: DW_TAG_member, name: "l0_ofs0", scope: !40, file: !8, line: 16, baseType: !12, size: 8) 189 !43 = !DIDerivedType(tag: DW_TAG_member, name: "l0_ofs8", scope: !40, file: !8, line: 17, baseType: !44, size: 64, offset: 64) 190 !44 = !DICompositeType(tag: DW_TAG_structure_type, name: "size8", file: !8, line: 11, size: 64, elements: !45) 191 !45 = !{!46, !47} 192 !46 = !DIDerivedType(tag: DW_TAG_member, name: "i", scope: !44, file: !8, line: 12, baseType: !16, size: 4) 193 !47 = !DIDerivedType(tag: DW_TAG_member, name: "l", scope: !44, file: !8, line: 13, baseType: !27, size: 60, offset: 4) 194 !48 = !DIDerivedType(tag: DW_TAG_member, name: "l0_ofs16", scope: !40, file: !8, line: 18, baseType: !16, size: 1, offset: 128) 195 !49 = !{i32 2, !"Dwarf Version", i32 2} 196 !50 = !{i32 2, !"Debug Info Version", i32 3} 197 !51 = !{!"clang version 3.7.0 (trunk 240791) (llvm/trunk 240790)"} 198 199
