1 ; RUN: llc -mtriple x86_64-apple-macosx -O0 -filetype=obj -o - %s \ 2 ; RUN: | llvm-dwarfdump -v -debug-info - | FileCheck %s 3 ; RUN: llc -mtriple x86_64-gnu-linux -O0 -filetype=obj -o - %s \ 4 ; RUN: | llvm-dwarfdump -v -debug-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, !dbg !0 25 26 !llvm.dbg.cu = !{!2} 27 !llvm.module.flags = !{!15, !16, !17} 28 !llvm.ident = !{!18} 29 30 !0 = distinct !DIGlobalVariableExpression(var: !1, expr: !DIExpression()) 31 !1 = !DIGlobalVariable(name: "s", scope: !2, file: !3, line: 8, type: !6, isLocal: false, isDefinition: true) 32 !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) 33 !3 = !DIFile(filename: "bitfield.c", directory: "/Volumes/Data/llvm") 34 !4 = !{} 35 !5 = !{!0} 36 !6 = distinct !DICompositeType(tag: DW_TAG_structure_type, name: "PackedBits", file: !3, line: 3, size: 40, elements: !7) 37 !7 = !{!8, !10, !14} 38 !8 = !DIDerivedType(tag: DW_TAG_member, name: "a", scope: !6, file: !3, line: 5, baseType: !9, size: 8) 39 ; CHECK: DW_TAG_member 40 ; CHECK-NEXT: DW_AT_name{{.*}}"a" 41 ; CHECK-NOT: DW_TAG 42 ; CHECK-NOT: DW_AT_bit_offset 43 ; CHECK-NOT: DW_AT_data_bit_offset 44 ; CHECK: DW_AT_data_member_location [DW_FORM_data1] (0x00) 45 !9 = !DIBasicType(name: "char", size: 8, encoding: DW_ATE_signed_char) 46 !10 = !DIDerivedType(tag: DW_TAG_member, name: "b", scope: !6, file: !3, line: 6, baseType: !11, size: 5, offset: 8) 47 !11 = !DIDerivedType(tag: DW_TAG_typedef, name: "uint32_t", file: !12, line: 183, baseType: !13) 48 !12 = !DIFile(filename: "/Volumes/Data/llvm/_build.ninja.release/bin/../lib/clang/3.9.0/include/stdint.h", directory: "/Volumes/Data/llvm") 49 !13 = !DIBasicType(name: "unsigned int", size: 32, encoding: DW_ATE_unsigned) 50 ; CHECK: DW_TAG_member 51 ; CHECK-NEXT: DW_AT_name{{.*}}"b" 52 ; CHECK-NOT: DW_TAG 53 ; CHECK-NOT: DW_AT_bit_offset 54 ; CHECK-NOT: DW_AT_byte_size 55 ; CHECK: DW_AT_bit_size [DW_FORM_data1] (0x05) 56 ; CHECK-NOT: DW_AT_byte_size 57 ; CHECK-NEXT: DW_AT_data_bit_offset [DW_FORM_data1] (0x08) 58 ; CHECK-NOT: DW_AT_data_member_location 59 !14 = !DIDerivedType(tag: DW_TAG_member, name: "c", scope: !6, file: !3, line: 7, baseType: !11, size: 27, offset: 13) 60 !15 = !{i32 2, !"Dwarf Version", i32 4} 61 !16 = !{i32 2, !"Debug Info Version", i32 3} 62 !17 = !{i32 1, !"PIC Level", i32 2} 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 !18 = !{!"clang version 3.9.0 (trunk 267633)"} 73 74
