1 ; RUN: llc -mtriple x86_64-apple-macosx -O0 -filetype=obj -o - %s \ 2 ; RUN: | llvm-dwarfdump -debug-dump=info - | FileCheck %s 3 ; RUN: llc -mtriple x86_64-gnu-linux -O0 -filetype=obj -o - %s \ 4 ; RUN: | llvm-dwarfdump -debug-dump=info - | FileCheck %s --check-prefix=LINUX 5 ; LINUX-NOT: DW_AT_data_bit_offset 6 ; 7 ; Generated from: 8 ; #include <stdint.h> 9 ; #pragma pack(1) 10 ; struct PackedBits 11 ; { 12 ; char a; 13 ; uint32_t b : 5, 14 ; c : 27 15 ; } s; 16 ; #pragma pack() 17 18 source_filename = "bitfield.c" 19 target datalayout = "e-m:o-i64:64-f80:128-n8:16:32:64-S128" 20 target triple = "x86_64-apple-macosx" 21 22 %struct.PackedBits = type <{ i8, i32 }> 23 24 @s = common global %struct.PackedBits zeroinitializer, align 1 25 26 !llvm.dbg.cu = !{!0} 27 !llvm.module.flags = !{!14, !15, !16} 28 !llvm.ident = !{!17} 29 30 !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) 31 !1 = !DIFile(filename: "bitfield.c", directory: "/Volumes/Data/llvm") 32 !2 = !{} 33 !3 = !{!4} 34 !4 = distinct !DIGlobalVariable(name: "s", scope: !0, file: !1, line: 8, type: !5, isLocal: false, isDefinition: true, variable: %struct.PackedBits* @s) 35 !5 = distinct !DICompositeType(tag: DW_TAG_structure_type, name: "PackedBits", file: !1, line: 3, size: 40, align: 8, elements: !6) 36 !6 = !{!7, !9, !13} 37 38 ; CHECK: DW_TAG_member 39 ; CHECK-NEXT: DW_AT_name{{.*}}"a" 40 ; CHECK-NOT: DW_TAG 41 ; CHECK-NOT: DW_AT_bit_offset 42 ; CHECK-NOT: DW_AT_data_bit_offset 43 ; CHECK: DW_AT_data_member_location [DW_FORM_data1] (0x00) 44 !7 = !DIDerivedType(tag: DW_TAG_member, name: "a", scope: !5, file: !1, line: 5, baseType: !8, size: 8, align: 8) 45 46 !8 = !DIBasicType(name: "char", size: 8, align: 8, encoding: DW_ATE_signed_char) 47 48 ; CHECK: DW_TAG_member 49 ; CHECK-NEXT: DW_AT_name{{.*}}"b" 50 ; CHECK-NOT: DW_TAG 51 ; CHECK-NOT: DW_AT_bit_offset 52 ; CHECK-NOT: DW_AT_byte_size 53 ; CHECK: DW_AT_bit_size [DW_FORM_data1] (0x05) 54 ; CHECK-NOT: DW_AT_byte_size 55 ; CHECK-NEXT: DW_AT_data_bit_offset [DW_FORM_data1] (0x08) 56 ; CHECK-NOT: DW_AT_data_member_location 57 !9 = !DIDerivedType(tag: DW_TAG_member, name: "b", scope: !5, file: !1, line: 6, baseType: !10, size: 5, align: 32, offset: 8) 58 59 !10 = !DIDerivedType(tag: DW_TAG_typedef, name: "uint32_t", file: !11, line: 183, baseType: !12) 60 !11 = !DIFile(filename: "/Volumes/Data/llvm/_build.ninja.release/bin/../lib/clang/3.9.0/include/stdint.h", directory: "/Volumes/Data/llvm") 61 !12 = !DIBasicType(name: "unsigned int", size: 32, align: 32, encoding: DW_ATE_unsigned) 62 63 ; CHECK: DW_TAG_member 64 ; CHECK-NEXT: DW_AT_name{{.*}}"c" 65 ; CHECK-NOT: DW_TAG 66 ; CHECK-NOT: DW_AT_bit_offset 67 ; CHECK-NOT: DW_AT_byte_size 68 ; CHECK: DW_AT_bit_size [DW_FORM_data1] (0x1b) 69 ; CHECK-NEXT: DW_AT_data_bit_offset [DW_FORM_data1] (0x0d) 70 ; CHECK-NOT: DW_AT_data_member_location 71 ; CHECK: DW_TAG 72 !13 = !DIDerivedType(tag: DW_TAG_member, name: "c", scope: !5, file: !1, line: 7, baseType: !10, size: 27, align: 32, offset: 13) 73 74 !14 = !{i32 2, !"Dwarf Version", i32 4} 75 !15 = !{i32 2, !"Debug Info Version", i32 3} 76 !16 = !{i32 1, !"PIC Level", i32 2} 77 !17 = !{!"clang version 3.9.0 (trunk 267633)"} 78
