1; RUN: llc -dwarf-version=5 -debugger-tune=lldb -mtriple x86_64-unknown-linux-gnu -O0 -filetype=obj -o %t_2_le.o %s 2; RUN: llvm-dwarfdump -v -debug-info %t_2_le.o | FileCheck %s 3 4; Produced at -O0 from: 5; struct __attribute__((packed)) bitfield { 6; int i:1; 7; int j:32; 8; } bitfield; 9 10; CHECK: DW_TAG_member 11; CHECK-NEXT: DW_AT_name{{.*}}"i" 12; CHECK-NOT: DW_TAG_member 13; CHECK: DW_AT_bit_size {{.*}} (0x01) 14; CHECK-NEXT: DW_AT_data_bit_offset {{.*}} (0x00) 15 16; CHECK: DW_TAG_member 17; CHECK-NEXT: DW_AT_name{{.*}}"j" 18; CHECK-NOT: DW_TAG_member 19; CHECK: DW_AT_bit_size {{.*}} (0x20) 20; CHECK-NEXT: DW_AT_data_bit_offset {{.*}} (0x01) 21 22; ModuleID = 'packed_bitfields2.c' 23source_filename = "packed_bitfields2.c" 24target datalayout = "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128" 25target triple = "x86_64-pc-linux-gnu" 26 27%struct.bitfield = type { [5 x i8] } 28 29@bitfield = dso_local global %struct.bitfield zeroinitializer, align 1, !dbg !0 30 31!llvm.dbg.cu = !{!2} 32!llvm.module.flags = !{!11, !12, !13, !14, !15} 33!llvm.ident = !{!16} 34 35!0 = !DIGlobalVariableExpression(var: !1, expr: !DIExpression()) 36!1 = distinct !DIGlobalVariable(name: "bitfield", scope: !2, file: !3, line: 4, type: !6, isLocal: false, isDefinition: true) 37!2 = distinct !DICompileUnit(language: DW_LANG_C99, file: !3, producer: "clang version 11.0.1", isOptimized: false, runtimeVersion: 0, emissionKind: FullDebug, enums: !4, globals: !5, splitDebugInlining: false, nameTableKind: None, sysroot: "/") 38!3 = !DIFile(filename: "packed_bitfields2.c", directory: "/") 39!4 = !{} 40!5 = !{!0} 41!6 = distinct !DICompositeType(tag: DW_TAG_structure_type, name: "bitfield", file: !3, line: 1, size: 40, elements: !7) 42!7 = !{!8, !10} 43!8 = !DIDerivedType(tag: DW_TAG_member, name: "i", scope: !6, file: !3, line: 2, baseType: !9, size: 1, flags: DIFlagBitField, extraData: i64 0) 44!9 = !DIBasicType(name: "int", size: 32, encoding: DW_ATE_signed) 45!10 = !DIDerivedType(tag: DW_TAG_member, name: "j", scope: !6, file: !3, line: 3, baseType: !9, size: 32, offset: 1, flags: DIFlagBitField, extraData: i64 0) 46!11 = !{i32 7, !"Dwarf Version", i32 5} 47!12 = !{i32 2, !"Debug Info Version", i32 3} 48!13 = !{i32 1, !"wchar_size", i32 4} 49!14 = !{i32 7, !"PIC Level", i32 2} 50!15 = !{i32 7, !"PIE Level", i32 2} 51!16 = !{!"clang version 11.0.1"} 52