; Generated from tools/clang/test/CodeGen/debug-info-packed-struct.c ; ModuleID = 'llvm/tools/clang/test/CodeGen/debug-info-packed-struct.c' target datalayout = "e-m:o-i64:64-f80:128-n8:16:32:64-S128" target triple = "x86_64-apple-darwin" ; RUN: %llc_dwarf -O0 -filetype=obj -o %t.o %s ; RUN: llvm-dwarfdump -debug-dump=info %t.o | FileCheck %s ; REQUIRES: object-emission ; // --------------------------------------------------------------------- ; // 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 } ; 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 {{.*}}00 ; CHECK: DW_TAG_member ; CHECK: DW_AT_name {{.*}} "l0_ofs8" ; CHECK: DW_AT_data_member_location {{.*}}08 ; 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 {{.*}}10 ; // --------------------------------------------------------------------- ; // 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.layout1 = type <{ i8, %struct.size8_anon, i8, [2 x i8] }> %struct.size8_anon = 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 {{.*}}00 ; CHECK: DW_TAG_member ; CHECK: DW_AT_name {{.*}} "l1_ofs1" ; CHECK: DW_AT_data_member_location {{.*}}01 ; 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 {{.*}}08 ; // --------------------------------------------------------------------- ; // 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() %struct.layout2 = type <{ i8, %struct.size8_pack1, i8 }> %struct.size8_pack1 = type { i64 } ; 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 {{.*}}00 ; CHECK: DW_TAG_member ; CHECK: DW_AT_name {{.*}} "l2_ofs1" ; CHECK: DW_AT_data_member_location {{.*}}01 ; 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 {{.*}}08 ; // --------------------------------------------------------------------- ; // 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() %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 {{.*}} "layout3" ; CHECK: DW_AT_byte_size {{.*}} (0x10) ; CHECK: DW_TAG_member ; CHECK: DW_AT_name {{.*}} "l3_ofs0" ; CHECK: DW_AT_data_member_location {{.*}}00 ; CHECK: DW_TAG_member ; CHECK: DW_AT_name {{.*}} "l3_ofs4" ; CHECK: DW_AT_data_member_location {{.*}}04 ; 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 {{.*}}0c @l0 = common global %struct.layout0 zeroinitializer, align 8 @l1 = common global %struct.layout1 zeroinitializer, align 4 @l2 = common global %struct.layout2 zeroinitializer, align 1 @l3 = common global %struct.layout3 zeroinitializer, align 4 !llvm.dbg.cu = !{!0} !llvm.module.flags = !{!45, !46} !llvm.ident = !{!47} !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: 1, enums: !2, retainedTypes: !2, subprograms: !2, globals: !3, imports: !2) !1 = !DIFile(filename: "/llvm/tools/clang/test/CodeGen/", directory: "/llvm/_build.ninja.release") !2 = !{} !3 = !{!4, !18, !25, !35} !4 = !DIGlobalVariable(name: "l0", scope: !0, file: !5, line: 88, type: !6, isLocal: false, isDefinition: true, variable: %struct.layout0* @l0) !5 = !DIFile(filename: "/llvm/tools/clang/test/CodeGen/debug-info-packed-struct.c", directory: "/llvm/_build.ninja.release") !6 = !DICompositeType(tag: DW_TAG_structure_type, name: "layout0", file: !5, line: 15, size: 192, align: 64, elements: !7) !7 = !{!8, !10, !17} !8 = !DIDerivedType(tag: DW_TAG_member, name: "l0_ofs0", scope: !6, file: !5, line: 16, baseType: !9, size: 8, align: 8) !9 = !DIBasicType(name: "char", size: 8, align: 8, encoding: DW_ATE_signed_char) !10 = !DIDerivedType(tag: DW_TAG_member, name: "l0_ofs8", scope: !6, file: !5, line: 17, baseType: !11, size: 64, align: 64, offset: 64) !11 = !DICompositeType(tag: DW_TAG_structure_type, name: "size8", file: !5, line: 11, size: 64, align: 64, elements: !12) !12 = !{!13, !15} !13 = !DIDerivedType(tag: DW_TAG_member, name: "i", scope: !11, file: !5, line: 12, baseType: !14, size: 4, align: 32) !14 = !DIBasicType(name: "int", size: 32, align: 32, encoding: DW_ATE_signed) !15 = !DIDerivedType(tag: DW_TAG_member, name: "l", scope: !11, file: !5, line: 13, baseType: !16, size: 60, offset: 4) !16 = !DIBasicType(name: "long long int", size: 64, align: 64, encoding: DW_ATE_signed) !17 = !DIDerivedType(tag: DW_TAG_member, name: "l0_ofs16", scope: !6, file: !5, line: 18, baseType: !14, size: 1, align: 32, offset: 128) !18 = !DIGlobalVariable(name: "l1", scope: !0, file: !5, line: 89, type: !19, isLocal: false, isDefinition: true, variable: %struct.layout1* @l1) !19 = !DICompositeType(tag: DW_TAG_structure_type, name: "layout1", file: !5, line: 34, size: 96, align: 32, elements: !20) !20 = !{!21, !22, !24} !21 = !DIDerivedType(tag: DW_TAG_member, name: "l1_ofs0", scope: !19, file: !5, line: 35, baseType: !9, size: 8, align: 8) !22 = !DIDerivedType(tag: DW_TAG_member, name: "l1_ofs1", scope: !19, file: !5, line: 36, baseType: !23, size: 64, align: 8, offset: 8) !23 = !DICompositeType(tag: DW_TAG_structure_type, name: "size8_anon", file: !5, line: 30, size: 64, align: 8, elements: !2) !24 = !DIDerivedType(tag: DW_TAG_member, name: "l1_ofs9", scope: !19, file: !5, line: 37, baseType: !14, size: 1, align: 32, offset: 72) !25 = !DIGlobalVariable(name: "l2", scope: !0, file: !5, line: 90, type: !26, isLocal: false, isDefinition: true, variable: %struct.layout2* @l2) !26 = !DICompositeType(tag: DW_TAG_structure_type, name: "layout2", file: !5, line: 54, size: 80, align: 8, elements: !27) !27 = !{!28, !29, !34} !28 = !DIDerivedType(tag: DW_TAG_member, name: "l2_ofs0", scope: !26, file: !5, line: 55, baseType: !9, size: 8, align: 8) !29 = !DIDerivedType(tag: DW_TAG_member, name: "l2_ofs1", scope: !26, file: !5, line: 56, baseType: !30, size: 64, align: 8, offset: 8) !30 = !DICompositeType(tag: DW_TAG_structure_type, name: "size8_pack1", file: !5, line: 50, size: 64, align: 8, elements: !31) !31 = !{!32, !33} !32 = !DIDerivedType(tag: DW_TAG_member, name: "i", scope: !30, file: !5, line: 51, baseType: !14, size: 4, align: 32) !33 = !DIDerivedType(tag: DW_TAG_member, name: "l", scope: !30, file: !5, line: 52, baseType: !16, size: 60, offset: 4) !34 = !DIDerivedType(tag: DW_TAG_member, name: "l2_ofs9", scope: !26, file: !5, line: 57, baseType: !14, size: 1, align: 32, offset: 72) !35 = !DIGlobalVariable(name: "l3", scope: !0, file: !5, line: 91, type: !36, isLocal: false, isDefinition: true, variable: %struct.layout3* @l3) !36 = !DICompositeType(tag: DW_TAG_structure_type, name: "layout3", file: !5, line: 76, size: 128, align: 32, elements: !37) !37 = !{!38, !39, !44} !38 = !DIDerivedType(tag: DW_TAG_member, name: "l3_ofs0", scope: !36, file: !5, line: 77, baseType: !9, size: 8, align: 8) !39 = !DIDerivedType(tag: DW_TAG_member, name: "l3_ofs4", scope: !36, file: !5, line: 78, baseType: !40, size: 64, align: 32, offset: 32) !40 = !DICompositeType(tag: DW_TAG_structure_type, name: "size8_pack4", file: !5, line: 72, size: 64, align: 32, elements: !41) !41 = !{!42, !43} !42 = !DIDerivedType(tag: DW_TAG_member, name: "i", scope: !40, file: !5, line: 73, baseType: !14, size: 4, align: 32) !43 = !DIDerivedType(tag: DW_TAG_member, name: "l", scope: !40, file: !5, line: 74, baseType: !16, size: 60, offset: 4) !44 = !DIDerivedType(tag: DW_TAG_member, name: "l3_ofs12", scope: !36, file: !5, line: 79, baseType: !14, size: 1, align: 32, offset: 96) !45 = !{i32 2, !"Dwarf Version", i32 2} !46 = !{i32 2, !"Debug Info Version", i32 3} !47 = !{!"clang version 3.7.0 (trunk 240791) (llvm/trunk 240790)"}