; RUN: llc -mtriple=x86_64 -generate-type-units -dwarf-version=5 -filetype=obj %s -o %t ; RUN: llvm-dwarfdump -debug-names %t | FileCheck %s ; Two structs that have different names but are structurally identical: ; namespace MyNamespace { ; struct MyStruct1 { ; char c1; ; }; ; struct MyStruct2 { ; char c2; ; }; ; } // namespace MyNamespace ; MyNamespace::MyStruct1 gv1; ; MyNamespace::MyStruct2 gv2; ; Using two TUs, this should produce DIE structures with the same offset. ; We test that accelerator table generation works with this. ; CHECK: String: {{.*}} "MyStruct2" ; CHECK-NEXT: Entry @ {{.*}} { ; CHECK-NEXT: Abbrev: [[ABBREV:0x.*]] ; CHECK-NEXT: Tag: DW_TAG_structure_type ; CHECK-NEXT: DW_IDX_type_unit: 0x01 ; CHECK-NEXT: DW_IDX_die_offset: [[DieOffset:0x.*]] ; CHECK-NEXT: DW_IDX_parent: [[Parent1:0x.*]] ; CHECK: String: {{.*}} "MyStruct1" ; CHECK-NEXT: Entry @ {{.*}} { ; CHECK-NEXT: Abbrev: [[ABBREV]] ; CHECK-NEXT: Tag: DW_TAG_structure_type ; CHECK-NEXT: DW_IDX_type_unit: 0x00 ; CHECK-NEXT: DW_IDX_die_offset: [[DieOffset:0x.*]] ; CHECK-NOT: DW_IDX_parent: [[Parent1]] ; CHECK-NEXT: DW_IDX_parent: 0x{{.*}} %"struct.MyNamespace::MyStruct1" = type { i8 } %"struct.MyNamespace::MyStruct2" = type { i8 } @gv1 = dso_local global %"struct.MyNamespace::MyStruct1" zeroinitializer, align 1, !dbg !0 @gv2 = dso_local global %"struct.MyNamespace::MyStruct2" zeroinitializer, align 1, !dbg !5 !llvm.dbg.cu = !{!2} !llvm.module.flags = !{!15, !16, !17, !18, !19} !llvm.ident = !{!20} !0 = !DIGlobalVariableExpression(var: !1, expr: !DIExpression()) !1 = distinct !DIGlobalVariable(name: "gv1", scope: !2, file: !3, line: 10, type: !12, isLocal: false, isDefinition: true) !2 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus_14, file: !3, producer: "blah", isOptimized: false, runtimeVersion: 0, emissionKind: FullDebug, globals: !4, splitDebugInlining: false) !3 = !DIFile(filename: "two_tus.cpp", directory: "blah", checksumkind: CSK_MD5, checksum: "69acf04f32811fe7fd35449b58c3f5b1") !4 = !{!0, !5} !5 = !DIGlobalVariableExpression(var: !6, expr: !DIExpression()) !6 = distinct !DIGlobalVariable(name: "gv2", scope: !2, file: !3, line: 11, type: !7, isLocal: false, isDefinition: true) !7 = distinct !DICompositeType(tag: DW_TAG_structure_type, name: "MyStruct2", scope: !8, file: !3, line: 5, size: 8, flags: DIFlagTypePassByValue, elements: !9, identifier: "_ZTSN11MyNamespace9MyStruct2E") !8 = !DINamespace(name: "MyNamespace", scope: null) !9 = !{!10} !10 = !DIDerivedType(tag: DW_TAG_member, name: "c2", scope: !7, file: !3, line: 6, baseType: !11, size: 8) !11 = !DIBasicType(name: "char", size: 8, encoding: DW_ATE_signed_char) !12 = distinct !DICompositeType(tag: DW_TAG_structure_type, name: "MyStruct1", scope: !8, file: !3, line: 2, size: 8, flags: DIFlagTypePassByValue, elements: !13, identifier: "_ZTSN11MyNamespace9MyStruct1E") !13 = !{!14} !14 = !DIDerivedType(tag: DW_TAG_member, name: "c1", scope: !12, file: !3, line: 3, baseType: !11, size: 8) !15 = !{i32 7, !"Dwarf Version", i32 5} !16 = !{i32 2, !"Debug Info Version", i32 3} !17 = !{i32 1, !"wchar_size", i32 4} !18 = !{i32 7, !"uwtable", i32 2} !19 = !{i32 7, !"frame-pointer", i32 2} !20 = !{!"blah"}