1; RUN: llc -filetype=obj < %s | llvm-dwarfdump -debug-dump=info - | FileCheck %s
2; CHECK: DW_TAG_variable
3; CHECK-NEXT: DW_AT_const_value [DW_FORM_udata]	(0)
4; CHECK-NEXT: DW_AT_name {{.*}}"a"
5;
6; ModuleID = 'union.c'
7; generated at -O1 from:
8; union mfi_evt {
9;   struct {
10;     int reserved;
11;   } members;
12; } mfi_aen_setup() {
13;   union mfi_evt a;
14;   a.members.reserved = 0;
15; }
16target datalayout = "e-m:o-i64:64-f80:128-n8:16:32:64-S128"
17target triple = "x86_64-apple-macosx10.10.0"
18
19%union.mfi_evt = type { %struct.anon }
20%struct.anon = type { i32 }
21
22; Function Attrs: nounwind readnone ssp uwtable
23define i32 @mfi_aen_setup() #0 !dbg !4 {
24entry:
25  tail call void @llvm.dbg.declare(metadata %union.mfi_evt* undef, metadata !16, metadata !21), !dbg !22
26  tail call void @llvm.dbg.value(metadata i32 0, i64 0, metadata !16, metadata !21), !dbg !22
27  ret i32 undef, !dbg !23
28}
29
30; Function Attrs: nounwind readnone
31declare void @llvm.dbg.declare(metadata, metadata, metadata) #1
32
33; Function Attrs: nounwind readnone
34declare void @llvm.dbg.value(metadata, i64, metadata, metadata) #1
35
36attributes #0 = { nounwind readnone ssp uwtable }
37attributes #1 = { nounwind readnone }
38
39!llvm.dbg.cu = !{!0}
40!llvm.module.flags = !{!17, !18, !19}
41!llvm.ident = !{!20}
42
43!0 = distinct !DICompileUnit(language: DW_LANG_C99, producer: "clang version 3.7.0 (trunk 226915) (llvm/trunk 226905)", isOptimized: true, emissionKind: FullDebug, file: !1, enums: !2, retainedTypes: !2, globals: !2, imports: !2)
44!1 = !DIFile(filename: "union.c", directory: "")
45!2 = !{}
46!4 = distinct !DISubprogram(name: "mfi_aen_setup", line: 5, isLocal: false, isDefinition: true, isOptimized: true, unit: !0, scopeLine: 5, file: !1, scope: !5, type: !6, variables: !15)
47!5 = !DIFile(filename: "union.c", directory: "")
48!6 = !DISubroutineType(types: !7)
49!7 = !{!8}
50!8 = !DICompositeType(tag: DW_TAG_union_type, name: "mfi_evt", line: 1, size: 32, align: 32, file: !1, elements: !9)
51!9 = !{!10}
52!10 = !DIDerivedType(tag: DW_TAG_member, name: "members", line: 4, size: 32, align: 32, file: !1, scope: !8, baseType: !11)
53!11 = !DICompositeType(tag: DW_TAG_structure_type, line: 2, size: 32, align: 32, file: !1, scope: !8, elements: !12)
54!12 = !{!13}
55!13 = !DIDerivedType(tag: DW_TAG_member, name: "reserved", line: 3, size: 32, align: 32, file: !1, scope: !11, baseType: !14)
56!14 = !DIBasicType(tag: DW_TAG_base_type, name: "int", size: 32, align: 32, encoding: DW_ATE_signed)
57!15 = !{!16}
58!16 = !DILocalVariable(name: "a", line: 6, scope: !4, file: !5, type: !8)
59!17 = !{i32 2, !"Dwarf Version", i32 2}
60!18 = !{i32 2, !"Debug Info Version", i32 3}
61!19 = !{i32 1, !"PIC Level", i32 2}
62!20 = !{!"clang version 3.7.0 (trunk 226915) (llvm/trunk 226905)"}
63!21 = !DIExpression()
64!22 = !DILocation(line: 6, column: 17, scope: !4)
65!23 = !DILocation(line: 8, column: 1, scope: !4)
66