; Generated from tools/clang/test/CodeGen/debug-info-packed-struct.c ; ModuleID = 'llvm/tools/clang/test/CodeGen/debug-info-packed-struct.c' source_filename = "test/DebugInfo/X86/debug-info-packed-struct.ll" target datalayout = "e-m:o-i64:64-f80:128-n8:16:32:64-S128" target triple = "x86_64-apple-darwin" ; RUN: llc -O0 -filetype=obj -o %t.o %s ; RUN: llvm-dwarfdump -v -debug-info %t.o | FileCheck %s ; // --------------------------------------------------------------------- ; // Not packed. ; // --------------------------------------------------------------------- ; struct size8 { ; int i : 4; ; long long l : 60; ; }; ; struct layout0 { ; char l0_ofs0; ; struct size8 l0_ofs8; ; int l0_ofs16 : 1; ; } l0; %struct.layout0 = type { i8, %struct.size8, i8 } %struct.size8 = type { i64 } %struct.layout1 = type <{ i8, %struct.size8_anon, i8, [2 x i8] }> %struct.size8_anon = type { i64 } ; CHECK: DW_TAG_structure_type ; CHECK: DW_AT_name {{.*}} "layout0" ; CHECK: DW_AT_byte_size {{.*}} (0x18) ; CHECK: DW_TAG_member ; CHECK: DW_AT_name {{.*}} "l0_ofs0" ; CHECK: DW_AT_data_member_location {{.*}} (DW_OP_plus_uconst 0x0) ; CHECK: DW_TAG_member ; CHECK: DW_AT_name {{.*}} "l0_ofs8" ; CHECK: DW_AT_data_member_location {{.*}} (DW_OP_plus_uconst 0x8) ; CHECK: DW_TAG_member ; CHECK: DW_AT_name {{.*}} "l0_ofs16" ; CHECK: DW_AT_bit_size {{.*}} (0x01) ; CHECK: DW_AT_bit_offset {{.*}} (0x1f) ; CHECK: DW_AT_data_member_location {{.*}} (DW_OP_plus_uconst 0x10) ; // --------------------------------------------------------------------- ; // Implicitly packed. ; // --------------------------------------------------------------------- ; struct size8_anon { ; int : 4; ; long long : 60; ; }; ; struct layout1 { ; char l1_ofs0; ; struct size8_anon l1_ofs1; ; int l1_ofs9 : 1; ; } l1; %struct.layout2 = type <{ i8, %struct.size8_pack1, i8 }> %struct.size8_pack1 = type { i64 } %struct.layout3 = type <{ i8, [3 x i8], %struct.size8_pack4, i8, [3 x i8] }> %struct.size8_pack4 = type { i64 } ; CHECK: DW_TAG_structure_type ; CHECK: DW_AT_name {{.*}} "layout1" ; CHECK: DW_AT_byte_size {{.*}} (0x0c) ; CHECK: DW_TAG_member ; CHECK: DW_AT_name {{.*}} "l1_ofs0" ; CHECK: DW_AT_data_member_location {{.*}} (DW_OP_plus_uconst 0x0) ; CHECK: DW_TAG_member ; CHECK: DW_AT_name {{.*}} "l1_ofs1" ; CHECK: DW_AT_data_member_location {{.*}} (DW_OP_plus_uconst 0x1) ; CHECK: DW_TAG_member ; CHECK: DW_AT_name {{.*}} "l1_ofs9" ; CHECK: DW_AT_byte_size {{.*}} (0x04) ; CHECK: DW_AT_bit_size {{.*}} (0x01) ; CHECK: DW_AT_bit_offset {{.*}} (0x17) ; CHECK: DW_AT_data_member_location {{.*}} (DW_OP_plus_uconst 0x8) ; // --------------------------------------------------------------------- ; // Explicitly packed. ; // --------------------------------------------------------------------- ; #pragma pack(1) ; struct size8_pack1 { ; int i : 4; ; long long l : 60; ; }; ; struct layout2 { ; char l2_ofs0; ; struct size8_pack1 l2_ofs1; ; int l2_ofs9 : 1; ; } l2; ; #pragma pack() @l0 = common global %struct.layout0 zeroinitializer, align 8, !dbg !0 @l1 = common global %struct.layout1 zeroinitializer, align 4, !dbg !6 ; CHECK: DW_TAG_structure_type ; CHECK: DW_AT_name {{.*}} "layout2" ; CHECK: DW_AT_byte_size {{.*}} (0x0a) ; CHECK: DW_TAG_member ; CHECK: DW_AT_name {{.*}} "l2_ofs0" ; CHECK: DW_AT_data_member_location {{.*}} (DW_OP_plus_uconst 0x0) ; CHECK: DW_TAG_member ; CHECK: DW_AT_name {{.*}} "l2_ofs1" ; CHECK: DW_AT_data_member_location {{.*}} (DW_OP_plus_uconst 0x1) ; CHECK: DW_TAG_member ; CHECK: DW_AT_name {{.*}} "l2_ofs9" ; CHECK: DW_AT_byte_size {{.*}} (0x04) ; CHECK: DW_AT_bit_size {{.*}} (0x01) ; CHECK: DW_AT_bit_offset {{.*}} (0x17) ; CHECK: DW_AT_data_member_location {{.*}} (DW_OP_plus_uconst 0x8) ; // --------------------------------------------------------------------- ; // Explicitly packed with different alignment. ; // --------------------------------------------------------------------- ; #pragma pack(4) ; struct size8_pack4 { ; int i : 4; ; long long l : 60; ; }; ; struct layout3 { ; char l3_ofs0; ; struct size8_pack4 l3_ofs4; ; int l3_ofs12 : 1; ; } l 3; ; #pragma pack() @l2 = common global %struct.layout2 zeroinitializer, align 1, !dbg !17 @l3 = common global %struct.layout3 zeroinitializer, align 4, !dbg !29 ; CHECK: DW_TAG_structure_type ; CHECK: DW_AT_name {{.*}} "layout3" ; CHECK: DW_AT_byte_size {{.*}} (0x10) ; CHECK: DW_TAG_member ; CHECK: DW_AT_name {{.*}} "l3_ofs0" ; CHECK: DW_AT_data_member_location {{.*}} (DW_OP_plus_uconst 0x0) ; CHECK: DW_TAG_member ; CHECK: DW_AT_name {{.*}} "l3_ofs4" ; CHECK: DW_AT_data_member_location {{.*}} (DW_OP_plus_uconst 0x4) ; CHECK: DW_TAG_member ; CHECK: DW_AT_name {{.*}} "l3_ofs12" ; CHECK: DW_AT_byte_size {{.*}} (0x04) ; CHECK: DW_AT_bit_size {{.*}} (0x01) ; CHECK: DW_AT_bit_offset {{.*}} (0x1f) ; CHECK: DW_AT_data_member_location {{.*}} (DW_OP_plus_uconst 0xc) !llvm.dbg.cu = !{!2} !llvm.module.flags = !{!49, !50} !llvm.ident = !{!51} !0 = !DIGlobalVariableExpression(var: !1, expr: !DIExpression()) !1 = !DIGlobalVariable(name: "l0", scope: !2, file: !8, line: 88, type: !40, isLocal: false, isDefinition: true) !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) !3 = !DIFile(filename: "/llvm/tools/clang/test/CodeGen/", directory: "/llvm/_build.ninja.release") !4 = !{} !5 = !{!0, !6, !17, !29} !6 = !DIGlobalVariableExpression(var: !7, expr: !DIExpression()) !7 = !DIGlobalVariable(name: "l1", scope: !2, file: !8, line: 89, type: !9, isLocal: false, isDefinition: true) !8 = !DIFile(filename: "/llvm/tools/clang/test/CodeGen/debug-info-packed-struct.c", directory: "/llvm/_build.ninja.release") !9 = !DICompositeType(tag: DW_TAG_structure_type, name: "layout1", file: !8, line: 34, size: 96, elements: !10) !10 = !{!11, !13, !15} !11 = !DIDerivedType(tag: DW_TAG_member, name: "l1_ofs0", scope: !9, file: !8, line: 35, baseType: !12, size: 8) !12 = !DIBasicType(name: "char", size: 8, encoding: DW_ATE_signed_char) !13 = !DIDerivedType(tag: DW_TAG_member, name: "l1_ofs1", scope: !9, file: !8, line: 36, baseType: !14, size: 64, offset: 8) !14 = !DICompositeType(tag: DW_TAG_structure_type, name: "size8_anon", file: !8, line: 30, size: 64, elements: !4) !15 = !DIDerivedType(tag: DW_TAG_member, name: "l1_ofs9", scope: !9, file: !8, line: 37, baseType: !16, size: 1, offset: 72) !16 = !DIBasicType(name: "int", size: 32, encoding: DW_ATE_signed) !17 = !DIGlobalVariableExpression(var: !18, expr: !DIExpression()) !18 = !DIGlobalVariable(name: "l2", scope: !2, file: !8, line: 90, type: !19, isLocal: false, isDefinition: true) !19 = !DICompositeType(tag: DW_TAG_structure_type, name: "layout2", file: !8, line: 54, size: 80, elements: !20) !20 = !{!21, !22, !28} !21 = !DIDerivedType(tag: DW_TAG_member, name: "l2_ofs0", scope: !19, file: !8, line: 55, baseType: !12, size: 8) !22 = !DIDerivedType(tag: DW_TAG_member, name: "l2_ofs1", scope: !19, file: !8, line: 56, baseType: !23, size: 64, offset: 8) !23 = !DICompositeType(tag: DW_TAG_structure_type, name: "size8_pack1", file: !8, line: 50, size: 64, elements: !24) !24 = !{!25, !26} !25 = !DIDerivedType(tag: DW_TAG_member, name: "i", scope: !23, file: !8, line: 51, baseType: !16, size: 4) !26 = !DIDerivedType(tag: DW_TAG_member, name: "l", scope: !23, file: !8, line: 52, baseType: !27, size: 60, offset: 4) !27 = !DIBasicType(name: "long long int", size: 64, encoding: DW_ATE_signed) !28 = !DIDerivedType(tag: DW_TAG_member, name: "l2_ofs9", scope: !19, file: !8, line: 57, baseType: !16, size: 1, offset: 72) !29 = !DIGlobalVariableExpression(var: !30, expr: !DIExpression()) !30 = !DIGlobalVariable(name: "l3", scope: !2, file: !8, line: 91, type: !31, isLocal: false, isDefinition: true) !31 = !DICompositeType(tag: DW_TAG_structure_type, name: "layout3", file: !8, line: 76, size: 128, elements: !32) !32 = !{!33, !34, !39} !33 = !DIDerivedType(tag: DW_TAG_member, name: "l3_ofs0", scope: !31, file: !8, line: 77, baseType: !12, size: 8) !34 = !DIDerivedType(tag: DW_TAG_member, name: "l3_ofs4", scope: !31, file: !8, line: 78, baseType: !35, size: 64, offset: 32) !35 = !DICompositeType(tag: DW_TAG_structure_type, name: "size8_pack4", file: !8, line: 72, size: 64, elements: !36) !36 = !{!37, !38} !37 = !DIDerivedType(tag: DW_TAG_member, name: "i", scope: !35, file: !8, line: 73, baseType: !16, size: 4) !38 = !DIDerivedType(tag: DW_TAG_member, name: "l", scope: !35, file: !8, line: 74, baseType: !27, size: 60, offset: 4) !39 = !DIDerivedType(tag: DW_TAG_member, name: "l3_ofs12", scope: !31, file: !8, line: 79, baseType: !16, size: 1, offset: 96) !40 = !DICompositeType(tag: DW_TAG_structure_type, name: "layout0", file: !8, line: 15, size: 192, elements: !41) !41 = !{!42, !43, !48} !42 = !DIDerivedType(tag: DW_TAG_member, name: "l0_ofs0", scope: !40, file: !8, line: 16, baseType: !12, size: 8) !43 = !DIDerivedType(tag: DW_TAG_member, name: "l0_ofs8", scope: !40, file: !8, line: 17, baseType: !44, size: 64, offset: 64) !44 = !DICompositeType(tag: DW_TAG_structure_type, name: "size8", file: !8, line: 11, size: 64, elements: !45) !45 = !{!46, !47} !46 = !DIDerivedType(tag: DW_TAG_member, name: "i", scope: !44, file: !8, line: 12, baseType: !16, size: 4) !47 = !DIDerivedType(tag: DW_TAG_member, name: "l", scope: !44, file: !8, line: 13, baseType: !27, size: 60, offset: 4) !48 = !DIDerivedType(tag: DW_TAG_member, name: "l0_ofs16", scope: !40, file: !8, line: 18, baseType: !16, size: 1, offset: 128) !49 = !{i32 2, !"Dwarf Version", i32 2} !50 = !{i32 2, !"Debug Info Version", i32 3} !51 = !{!"clang version 3.7.0 (trunk 240791) (llvm/trunk 240790)"}