; RUN: llc -mtriple aarch64_be-gnu-linux -O0 -filetype=obj -o %t_be.o %s ; RUN: llvm-dwarfdump -debug-dump=info %t_be.o | FileCheck %s ; Produced at -O0 from: ; struct bitfield { ; int a : 2; ; int b : 32; ; int c : 1; ; int d : 28; ; }; ; struct bitfield 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 {{.*}} (0x04) ; CHECK-NEXT: DW_AT_bit_size {{.*}} (0x02) ; CHECK-NEXT: DW_AT_bit_offset {{.*}} (0x00) ; CHECK-NEXT: DW_AT_data_member_location {{.*}} 00 ; CHECK: DW_TAG_member ; CHECK-NEXT: DW_AT_name{{.*}}"b" ; CHECK-NOT: DW_TAG_member ; CHECK: DW_AT_data_member_location {{.*}} 04 ; CHECK: DW_TAG_member ; CHECK-NEXT: DW_AT_name{{.*}}"c" ; CHECK-NOT: DW_TAG_member ; CHECK: DW_AT_byte_size {{.*}} (0x04) ; CHECK-NEXT: DW_AT_bit_size {{.*}} (0x01) ; CHECK-NEXT: DW_AT_bit_offset {{.*}} (0x00) ; CHECK-NEXT: DW_AT_data_member_location {{.*}} 08 ; CHECK: DW_TAG_member ; CHECK-NEXT: DW_AT_name{{.*}}"d" ; CHECK-NOT: DW_TAG_member ; CHECK: DW_AT_byte_size {{.*}} (0x04) ; CHECK-NEXT: DW_AT_bit_size {{.*}} (0x1c) ; CHECK-NEXT: DW_AT_bit_offset {{.*}} (0x01) ; CHECK-NEXT: DW_AT_data_member_location {{.*}} 08 ; ModuleID = 'bitfields.c' target datalayout = "E-m:e-i64:64-i128:128-n32:64-S128" target triple = "aarch64_be--linux-gnu" %struct.bitfield = type <{ i8, [3 x i8], i64 }> @b = common global %struct.bitfield zeroinitializer, align 4 !llvm.dbg.cu = !{!0} !llvm.module.flags = !{!13, !14, !15} !llvm.ident = !{!16} !0 = !DICompileUnit(language: DW_LANG_C99, file: !1, producer: "clang version 3.7.0 (trunk 240548) (llvm/trunk 240554)", isOptimized: false, runtimeVersion: 0, emissionKind: 1, enums: !2, retainedTypes: !2, subprograms: !2, globals: !3, imports: !2) !1 = !DIFile(filename: "bitfields.c", directory: "/") !2 = !{} !3 = !{!4} !4 = !DIGlobalVariable(name: "b", scope: !0, file: !5, line: 8, type: !6, isLocal: false, isDefinition: true, variable: %struct.bitfield* @b) !5 = !DIFile(filename: "bitfields.c", directory: "/") !6 = !DICompositeType(tag: DW_TAG_structure_type, name: "bitfield", file: !5, line: 1, size: 96, align: 32, elements: !7) !7 = !{!8, !10, !11, !12} !8 = !DIDerivedType(tag: DW_TAG_member, name: "a", scope: !6, file: !5, line: 2, baseType: !9, size: 2, align: 32) !9 = !DIBasicType(name: "int", size: 32, align: 32, encoding: DW_ATE_signed) !10 = !DIDerivedType(tag: DW_TAG_member, name: "b", scope: !6, file: !5, line: 3, baseType: !9, size: 32, align: 32, offset: 32) !11 = !DIDerivedType(tag: DW_TAG_member, name: "c", scope: !6, file: !5, line: 4, baseType: !9, size: 1, align: 32, offset: 64) !12 = !DIDerivedType(tag: DW_TAG_member, name: "d", scope: !6, file: !5, line: 5, baseType: !9, size: 28, align: 32, offset: 65) !13 = !{i32 2, !"Dwarf Version", i32 2} !14 = !{i32 2, !"Debug Info Version", i32 3} !15 = !{i32 1, !"PIC Level", i32 2} !16 = !{!"clang version 3.7.0 (trunk 240548) (llvm/trunk 240554)"}