1 files changed, 68 insertions, 0 deletions
diff --git a/llvm/test/DebugInfo/X86/bitfields-dwarf4.ll b/llvm/test/DebugInfo/X86/bitfields-dwarf4.ll
new file mode 100644
index 00000000000..f83980dacb1
--- /dev/null
+++ b/llvm/test/DebugInfo/X86/bitfields-dwarf4.ll
@@ -0,0 +1,68 @@
+; RUN: llc -mtriple x86_64-apple-macosx -O0 -filetype=obj -o - %s \
+; RUN: | llvm-dwarfdump -debug-dump=info - | FileCheck %s
+;
+; 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:      DW_AT_data_bit_offset      [DW_FORM_data1]	(0x08)
+; CHECK-NEXT: DW_AT_data_member_location [DW_FORM_data1]	(0x00)
+!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:      DW_AT_data_bit_offset      [DW_FORM_data1]	(0x0d)
+; CHECK-NEXT: DW_AT_data_member_location [DW_FORM_data1]	(0x00)
+!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)"}