1 ; RUN: llc -mtriple=x86_64 -generate-type-units -dwarf-version=5 -filetype=obj %s -o %t
2 ; RUN: llvm-dwarfdump -debug-names %t | FileCheck %s
4 ; Two structs that have different names but are structurally identical:
5 ; namespace MyNamespace {
12 ; } // namespace MyNamespace
13 ; MyNamespace::MyStruct1 gv1;
14 ; MyNamespace::MyStruct2 gv2;
16 ; Using two TUs, this should produce DIE structures with the same offset.
17 ; We test that accelerator table generation works with this.
19 ; CHECK: String: {{.*}} "MyStruct2"
20 ; CHECK-NEXT: Entry @ {{.*}} {
21 ; CHECK-NEXT: Abbrev: [[ABBREV:0x.*]]
22 ; CHECK-NEXT: Tag: DW_TAG_structure_type
23 ; CHECK-NEXT: DW_IDX_type_unit: 0x01
24 ; CHECK-NEXT: DW_IDX_die_offset: [[DieOffsetStruct:0x.*]]
25 ; CHECK-NEXT: DW_IDX_parent: Entry @ [[Parent2:0x.*]]
26 ; CHECK: String: {{.*}} "MyNamespace"
27 ; CHECK-NEXT: Entry @ [[Parent1:0x.*]] {
28 ; CHECK-NEXT: Abbrev: {{.*}}
29 ; CHECK-NEXT: Tag: DW_TAG_namespace
30 ; CHECK-NEXT: DW_IDX_type_unit: 0x00
31 ; CHECK-NEXT: DW_IDX_die_offset: [[DieOffsetNamespace:0x.*]]
32 ; CHECK-NEXT: DW_IDX_parent: <parent not indexed>
34 ; CHECK-NEXT: Entry @ [[Parent2]] {
35 ; CHECK-NEXT: Abbrev: {{.*}}
36 ; CHECK-NEXT: Tag: DW_TAG_namespace
37 ; CHECK-NEXT: DW_IDX_type_unit: 0x01
38 ; CHECK-NEXT: DW_IDX_die_offset: [[DieOffsetNamespace:0x.*]]
39 ; CHECK-NEXT: DW_IDX_parent: <parent not indexed>
41 ; CHECK: String: {{.*}} "MyStruct1"
42 ; CHECK-NEXT: Entry @ {{.*}} {
43 ; CHECK-NEXT: Abbrev: [[ABBREV]]
44 ; CHECK-NEXT: Tag: DW_TAG_structure_type
45 ; CHECK-NEXT: DW_IDX_type_unit: 0x00
46 ; CHECK-NEXT: DW_IDX_die_offset: [[DieOffsetStruct:0x.*]]
47 ; CHECK-NEXT: DW_IDX_parent: Entry @ [[Parent1]]
50 %"struct.MyNamespace::MyStruct1" = type { i8 }
51 %"struct.MyNamespace::MyStruct2" = type { i8 }
53 @gv1 = dso_local global %"struct.MyNamespace::MyStruct1" zeroinitializer, align 1, !dbg !0
54 @gv2 = dso_local global %"struct.MyNamespace::MyStruct2" zeroinitializer, align 1, !dbg !5
57 !llvm.module.flags = !{!15, !16, !17, !18, !19}
60 !0 = !DIGlobalVariableExpression(var: !1, expr: !DIExpression())
61 !1 = distinct !DIGlobalVariable(name: "gv1", scope: !2, file: !3, line: 10, type: !12, isLocal: false, isDefinition: true)
62 !2 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus_14, file: !3, producer: "blah", isOptimized: false, runtimeVersion: 0, emissionKind: FullDebug, globals: !4, splitDebugInlining: false)
63 !3 = !DIFile(filename: "two_tus.cpp", directory: "blah", checksumkind: CSK_MD5, checksum: "69acf04f32811fe7fd35449b58c3f5b1")
65 !5 = !DIGlobalVariableExpression(var: !6, expr: !DIExpression())
66 !6 = distinct !DIGlobalVariable(name: "gv2", scope: !2, file: !3, line: 11, type: !7, isLocal: false, isDefinition: true)
67 !7 = distinct !DICompositeType(tag: DW_TAG_structure_type, name: "MyStruct2", scope: !8, file: !3, line: 5, size: 8, flags: DIFlagTypePassByValue, elements: !9, identifier: "_ZTSN11MyNamespace9MyStruct2E")
68 !8 = !DINamespace(name: "MyNamespace", scope: null)
70 !10 = !DIDerivedType(tag: DW_TAG_member, name: "c2", scope: !7, file: !3, line: 6, baseType: !11, size: 8)
71 !11 = !DIBasicType(name: "char", size: 8, encoding: DW_ATE_signed_char)
72 !12 = distinct !DICompositeType(tag: DW_TAG_structure_type, name: "MyStruct1", scope: !8, file: !3, line: 2, size: 8, flags: DIFlagTypePassByValue, elements: !13, identifier: "_ZTSN11MyNamespace9MyStruct1E")
74 !14 = !DIDerivedType(tag: DW_TAG_member, name: "c1", scope: !12, file: !3, line: 3, baseType: !11, size: 8)
75 !15 = !{i32 7, !"Dwarf Version", i32 5}
76 !16 = !{i32 2, !"Debug Info Version", i32 3}
77 !17 = !{i32 1, !"wchar_size", i32 4}
78 !18 = !{i32 7, !"uwtable", i32 2}
79 !19 = !{i32 7, !"frame-pointer", i32 2}