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1; RUN: llc -mtriple x86_64-apple-macosx -O0 -filetype=obj -o - %s \2; RUN: | llvm-dwarfdump -v -debug-info - | FileCheck %s3; RUN: llc -mtriple x86_64-gnu-linux -O0 -filetype=obj -o - %s \4; RUN: | llvm-dwarfdump -v -debug-info - | FileCheck %s5; RUN: llc -mtriple x86_64-gnu-linux -O0 -debugger-tune=gdb -filetype=obj -o - %s \6; RUN: | llvm-dwarfdump -v -debug-info - | FileCheck %s7;8; Generated from:9; #include <stdint.h>10; #pragma pack(1)11; struct PackedBits12; {13; char a;14; uint32_t b : 5,15; c : 2716; } s;17; #pragma pack()18 19source_filename = "bitfield.c"20target datalayout = "e-m:o-i64:64-f80:128-n8:16:32:64-S128"21target triple = "x86_64-apple-macosx"22 23%struct.PackedBits = type <{ i8, i32 }>24 25@s = common global %struct.PackedBits zeroinitializer, align 1, !dbg !026 27!llvm.dbg.cu = !{!2}28!llvm.module.flags = !{!15, !16, !17}29!llvm.ident = !{!18}30 31!0 = distinct !DIGlobalVariableExpression(var: !1, expr: !DIExpression())32!1 = !DIGlobalVariable(name: "s", scope: !2, file: !3, line: 8, type: !6, isLocal: false, isDefinition: true)33!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)34!3 = !DIFile(filename: "bitfield.c", directory: "/Volumes/Data/llvm")35!4 = !{}36!5 = !{!0}37!6 = distinct !DICompositeType(tag: DW_TAG_structure_type, name: "PackedBits", file: !3, line: 3, size: 40, elements: !7)38!7 = !{!8, !10, !14}39!8 = !DIDerivedType(tag: DW_TAG_member, name: "a", scope: !6, file: !3, line: 5, baseType: !9, size: 8)40; CHECK: DW_TAG_member41; CHECK-NEXT: DW_AT_name{{.*}}"a"42; CHECK-NOT: DW_TAG43; CHECK-NOT: DW_AT_bit_offset44; CHECK-NOT: DW_AT_data_bit_offset45; CHECK: DW_AT_data_member_location [DW_FORM_data1] (0x00)46!9 = !DIBasicType(name: "char", size: 8, encoding: DW_ATE_signed_char)47!10 = !DIDerivedType(tag: DW_TAG_member, name: "b", scope: !6, file: !3, line: 6, baseType: !11, size: 5, offset: 8, flags: DIFlagBitField)48!11 = !DIDerivedType(tag: DW_TAG_typedef, name: "uint32_t", file: !12, line: 183, baseType: !13)49!12 = !DIFile(filename: "/Volumes/Data/llvm/_build.ninja.release/bin/../lib/clang/3.9.0/include/stdint.h", directory: "/Volumes/Data/llvm")50!13 = !DIBasicType(name: "unsigned int", size: 32, encoding: DW_ATE_unsigned)51; CHECK: DW_TAG_member52; CHECK-NEXT: DW_AT_name{{.*}}"b"53; CHECK-NOT: DW_TAG54; CHECK-NOT: DW_AT_bit_offset55; CHECK-NOT: DW_AT_byte_size56; CHECK: DW_AT_bit_size [DW_FORM_data1] (0x05)57; CHECK-NOT: DW_AT_byte_size58; CHECK-NEXT: DW_AT_data_bit_offset [DW_FORM_data1] (0x08)59; CHECK-NOT: DW_AT_data_member_location60!14 = !DIDerivedType(tag: DW_TAG_member, name: "c", scope: !6, file: !3, line: 7, baseType: !11, size: 27, offset: 13, flags: DIFlagBitField)61!15 = !{i32 2, !"Dwarf Version", i32 4}62!16 = !{i32 2, !"Debug Info Version", i32 3}63!17 = !{i32 1, !"PIC Level", i32 2}64; CHECK: DW_TAG_member65; CHECK-NEXT: DW_AT_name{{.*}}"c"66; CHECK-NOT: DW_TAG67; CHECK-NOT: DW_AT_bit_offset68; CHECK-NOT: DW_AT_byte_size69; CHECK: DW_AT_bit_size [DW_FORM_data1] (0x1b)70; CHECK-NEXT: DW_AT_data_bit_offset [DW_FORM_data1] (0x0d)71; CHECK-NOT: DW_AT_data_member_location72; CHECK: DW_TAG73!18 = !{!"clang version 3.9.0 (trunk 267633)"}74 75