1 ; RUN: llc -filetype=obj < %s | llvm-dwarfdump -v -debug-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"
7 ; generated at -O1 from:
14 ; a.members.reserved = 0;
16 target datalayout = "e-m:o-i64:64-f80:128-n8:16:32:64-S128"
17 target triple = "x86_64-apple-macosx10.10.0"
19 %union.mfi_evt = type { %struct.anon }
20 %struct.anon = type { i32 }
22 ; Function Attrs: nounwind readnone ssp uwtable
23 define i32 @mfi_aen_setup() #0 !dbg !4 {
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, metadata !16, metadata !21), !dbg !22
27 ret i32 undef, !dbg !23
30 ; Function Attrs: nounwind readnone
31 declare void @llvm.dbg.declare(metadata, metadata, metadata) #1
33 ; Function Attrs: nounwind readnone
34 declare void @llvm.dbg.value(metadata, metadata, metadata) #1
36 attributes #0 = { nounwind readnone ssp uwtable }
37 attributes #1 = { nounwind readnone }
40 !llvm.module.flags = !{!17, !18, !19}
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: "")
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, retainedNodes: !15)
47 !5 = !DIFile(filename: "union.c", directory: "")
48 !6 = !DISubroutineType(types: !7)
50 !8 = !DICompositeType(tag: DW_TAG_union_type, name: "mfi_evt", line: 1, size: 32, align: 32, file: !1, elements: !9)
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)
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)
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)"}
64 !22 = !DILocation(line: 6, column: 17, scope: !4)
65 !23 = !DILocation(line: 8, column: 1, scope: !4)