; RUN: llc -mtriple x86_64-apple-macosx -O0 -filetype=obj -o - %s \ ; RUN: | llvm-dwarfdump -v -debug-info - | FileCheck %s ; RUN: llc -mtriple x86_64-gnu-linux -O0 -filetype=obj -o - %s \ ; RUN: | llvm-dwarfdump -v -debug-info - | FileCheck %s --check-prefix=LINUX ; LINUX-NOT: DW_AT_data_bit_offset ; ; Generated from: ; #include <stdint.h> ; #pragma pack(1) ; struct PackedBits ; { ; char a; ; uint32_t b : 5, ; c : 27 ; } s; ; #pragma pack() source_filename = "bitfield.c" target datalayout = "e-m:o-i64:64-f80:128-n8:16:32:64-S128" target triple = "x86_64-apple-macosx" %struct.PackedBits = type <{ i8, i32 }> @s = common global %struct.PackedBits zeroinitializer, align 1, !dbg !0 !llvm.dbg.cu = !{!2} !llvm.module.flags = !{!15, !16, !17} !llvm.ident = !{!18} !0 = distinct !DIGlobalVariableExpression(var: !1, expr: !DIExpression()) !1 = !DIGlobalVariable(name: "s", scope: !2, file: !3, line: 8, type: !6, isLocal: false, isDefinition: true) !2 = distinct !DICompileUnit(language: DW_LANG_C99, file: !3, producer: "clang version 3.9.0 (trunk 267633)", isOptimized: false, runtimeVersion: 0, emissionKind: FullDebug, enums: !4, globals: !5) !3 = !DIFile(filename: "bitfield.c", directory: "/Volumes/Data/llvm") !4 = !{} !5 = !{!0} !6 = distinct !DICompositeType(tag: DW_TAG_structure_type, name: "PackedBits", file: !3, line: 3, size: 40, elements: !7) !7 = !{!8, !10, !14} !8 = !DIDerivedType(tag: DW_TAG_member, name: "a", scope: !6, file: !3, line: 5, baseType: !9, size: 8) ; CHECK: DW_TAG_member ; CHECK-NEXT: DW_AT_name{{.*}}"a" ; CHECK-NOT: DW_TAG ; CHECK-NOT: DW_AT_bit_offset ; CHECK-NOT: DW_AT_data_bit_offset ; CHECK: DW_AT_data_member_location [DW_FORM_data1] (0x00) !9 = !DIBasicType(name: "char", size: 8, encoding: DW_ATE_signed_char) !10 = !DIDerivedType(tag: DW_TAG_member, name: "b", scope: !6, file: !3, line: 6, baseType: !11, size: 5, offset: 8) !11 = !DIDerivedType(tag: DW_TAG_typedef, name: "uint32_t", file: !12, line: 183, baseType: !13) !12 = !DIFile(filename: "/Volumes/Data/llvm/_build.ninja.release/bin/../lib/clang/3.9.0/include/stdint.h", directory: "/Volumes/Data/llvm") !13 = !DIBasicType(name: "unsigned int", size: 32, encoding: DW_ATE_unsigned) ; CHECK: DW_TAG_member ; CHECK-NEXT: DW_AT_name{{.*}}"b" ; CHECK-NOT: DW_TAG ; CHECK-NOT: DW_AT_bit_offset ; CHECK-NOT: DW_AT_byte_size ; CHECK: DW_AT_bit_size [DW_FORM_data1] (0x05) ; CHECK-NOT: DW_AT_byte_size ; CHECK-NEXT: DW_AT_data_bit_offset [DW_FORM_data1] (0x08) ; CHECK-NOT: DW_AT_data_member_location !14 = !DIDerivedType(tag: DW_TAG_member, name: "c", scope: !6, file: !3, line: 7, baseType: !11, size: 27, offset: 13) !15 = !{i32 2, !"Dwarf Version", i32 4} !16 = !{i32 2, !"Debug Info Version", i32 3} !17 = !{i32 1, !"PIC Level", i32 2} ; CHECK: DW_TAG_member ; CHECK-NEXT: DW_AT_name{{.*}}"c" ; CHECK-NOT: DW_TAG ; CHECK-NOT: DW_AT_bit_offset ; CHECK-NOT: DW_AT_byte_size ; CHECK: DW_AT_bit_size [DW_FORM_data1] (0x1b) ; CHECK-NEXT: DW_AT_data_bit_offset [DW_FORM_data1] (0x0d) ; CHECK-NOT: DW_AT_data_member_location ; CHECK: DW_TAG !18 = !{!"clang version 3.9.0 (trunk 267633)"}