1; Generated from tools/clang/test/CodeGen/debug-info-packed-struct.c 2; ModuleID = 'llvm/tools/clang/test/CodeGen/debug-info-packed-struct.c' 3source_filename = "test/DebugInfo/X86/debug-info-packed-struct.ll" 4target datalayout = "e-m:o-i64:64-f80:128-n8:16:32:64-S128" 5target 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