; RUN: llc -mtriple x86_64-apple-macosx -O0 -filetype=obj -o - %s \ ; RUN: | llvm-dwarfdump -debug-dump=info - | FileCheck %s ; RUN: llc -mtriple x86_64-gnu-linux -O0 -filetype=obj -o - %s \ ; RUN: | llvm-dwarfdump -debug-dump=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 !llvm.dbg.cu = !{!0} !llvm.module.flags = !{!14, !15, !16} !llvm.ident = !{!17} !0 = distinct !DICompileUnit(language: DW_LANG_C99, file: !1, producer: "clang version 3.9.0 (trunk 267633)", isOptimized: false, runtimeVersion: 0, emissionKind: FullDebug, enums: !2, globals: !3) !1 = !DIFile(filename: "bitfield.c", directory: "/Volumes/Data/llvm") !2 = !{} !3 = !{!4} !4 = distinct !DIGlobalVariable(name: "s", scope: !0, file: !1, line: 8, type: !5, isLocal: false, isDefinition: true, variable: %struct.PackedBits* @s) !5 = distinct !DICompositeType(tag: DW_TAG_structure_type, name: "PackedBits", file: !1, line: 3, size: 40, align: 8, elements: !6) !6 = !{!7, !9, !13} ; 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) !7 = !DIDerivedType(tag: DW_TAG_member, name: "a", scope: !5, file: !1, line: 5, baseType: !8, size: 8, align: 8) !8 = !DIBasicType(name: "char", size: 8, align: 8, encoding: DW_ATE_signed_char) ; 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 !9 = !DIDerivedType(tag: DW_TAG_member, name: "b", scope: !5, file: !1, line: 6, baseType: !10, size: 5, align: 32, offset: 8) !10 = !DIDerivedType(tag: DW_TAG_typedef, name: "uint32_t", file: !11, line: 183, baseType: !12) !11 = !DIFile(filename: "/Volumes/Data/llvm/_build.ninja.release/bin/../lib/clang/3.9.0/include/stdint.h", directory: "/Volumes/Data/llvm") !12 = !DIBasicType(name: "unsigned int", size: 32, align: 32, encoding: DW_ATE_unsigned) ; 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 !13 = !DIDerivedType(tag: DW_TAG_member, name: "c", scope: !5, file: !1, line: 7, baseType: !10, size: 27, align: 32, offset: 13) !14 = !{i32 2, !"Dwarf Version", i32 4} !15 = !{i32 2, !"Debug Info Version", i32 3} !16 = !{i32 1, !"PIC Level", i32 2} !17 = !{!"clang version 3.9.0 (trunk 267633)"}