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