| ; RUN: llc -dwarf-version=2 -mtriple x86_64-apple-macosx -O0 -filetype=obj -o %t_2_le.o %s |
| ; RUN: llvm-dwarfdump -v -debug-info %t_2_le.o | FileCheck %s |
| |
| ; Produced at -O0 from: |
| ; struct { |
| ; char : 3; |
| ; char a : 6; |
| ; } __attribute__((__packed__)) b; |
| |
| ; Note that DWARF 2 counts bit offsets backwards from the high end of |
| ; the storage unit to the high end of the bit field. |
| |
| ; CHECK: DW_TAG_member |
| ; CHECK-NEXT: DW_AT_name{{.*}}"a" |
| ; CHECK-NOT: DW_TAG_member |
| ; CHECK: DW_AT_byte_size {{.*}} (0x01) |
| ; CHECK-NEXT: DW_AT_bit_size {{.*}} (0x06) |
| ; CHECK-NEXT: DW_AT_bit_offset {{.*}} (0xffffffffffffffff) |
| ; CHECK-NEXT: DW_AT_data_member_location {{.*}} ({{.*}}0x0{{0*}}) |
| |
| ; ModuleID = 'repro.c' |
| source_filename = "repro.c" |
| target datalayout = "e-m:o-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128" |
| target triple = "x86_64-apple-macosx10.4.0" |
| |
| %struct.anon = type { i16 } |
| |
| @b = global %struct.anon zeroinitializer, align 1, !dbg !0 |
| |
| !llvm.dbg.cu = !{!2} |
| !llvm.module.flags = !{!10, !11, !12, !13} |
| !llvm.ident = !{!14} |
| |
| !0 = !DIGlobalVariableExpression(var: !1, expr: !DIExpression()) |
| !1 = distinct !DIGlobalVariable(name: "b", scope: !2, file: !3, line: 4, type: !6, isLocal: false, isDefinition: true) |
| !2 = distinct !DICompileUnit(language: DW_LANG_C99, file: !3, producer: "clang version 11.0.0 ", isOptimized: false, runtimeVersion: 0, emissionKind: FullDebug, enums: !4, globals: !5, nameTableKind: None, sysroot: "/") |
| !3 = !DIFile(filename: "repro.c", directory: "/tmp") |
| !4 = !{} |
| !5 = !{!0} |
| !6 = distinct !DICompositeType(tag: DW_TAG_structure_type, file: !3, line: 1, size: 16, elements: !7) |
| !7 = !{!8} |
| !8 = !DIDerivedType(tag: DW_TAG_member, name: "a", scope: !6, file: !3, line: 3, baseType: !9, size: 6, offset: 3, flags: DIFlagBitField, extraData: i64 0) |
| !9 = !DIBasicType(name: "char", size: 8, encoding: DW_ATE_signed_char) |
| !10 = !{i32 7, !"Dwarf Version", i32 2} |
| !11 = !{i32 2, !"Debug Info Version", i32 3} |
| !12 = !{i32 1, !"wchar_size", i32 4} |
| !13 = !{i32 7, !"PIC Level", i32 2} |
| !14 = !{!"clang version 11.0.0 "} |