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1; REQUIRES: object-emission2;3; RUN: llvm-link %s %p/type-unique-simple2-b.ll -S -o - | %llc_dwarf -filetype=obj -O0 | llvm-dwarfdump -v -debug-info - | FileCheck %s4;5; Tests for a merge error where attributes are inserted twice into the same DIE.6;7; $ cat ab.h8; typedef int foo_t;9; class A {10; public:11; virtual void setFoo();12; virtual const foo_t getFoo();13; };14;15; $ cat a.cpp16; #include "ab.h"17; foo_t bar() {18; return A().getFoo();19; }20;21; CHECK: DW_AT_name {{.*}}"setFoo"22; CHECK-NOT: DW_TAG23; CHECK: DW_AT_accessibility [DW_FORM_data1] (DW_ACCESS_public)24; CHECK-NOT: DW_AT_accessibility25; CHECK: DW_TAG26 27; ModuleID = 'a.cpp'28 29%class.A = type { ptr }30 31@_ZTV1A = external unnamed_addr constant [4 x ptr]32 33; Function Attrs: nounwind34define i32 @_Z3barv() #0 !dbg !27 {35entry:36 %tmp = alloca %class.A, align 837 call void @llvm.memset.p0.i64(ptr align 8 %tmp, i8 0, i64 8, i1 false), !dbg !3838 call void @_ZN1AC1Ev(ptr %tmp) #1, !dbg !3839 %call = call i32 @_ZN1A6getFooEv(ptr %tmp), !dbg !3840 ret i32 %call, !dbg !3841}42 43; Function Attrs: nounwind44declare void @llvm.memset.p0.i64(ptr nocapture, i8, i64, i1) #145 46; Function Attrs: inlinehint nounwind47define linkonce_odr void @_ZN1AC1Ev(ptr %this) unnamed_addr #2 align 2 !dbg !31 {48entry:49 %this.addr = alloca ptr, align 850 store ptr %this, ptr %this.addr, align 851 call void @llvm.dbg.declare(metadata ptr %this.addr, metadata !39, metadata !DIExpression()), !dbg !4152 %this1 = load ptr, ptr %this.addr53 call void @_ZN1AC2Ev(ptr %this1) #1, !dbg !4254 ret void, !dbg !4255}56 57declare i32 @_ZN1A6getFooEv(ptr)58 59; Function Attrs: nounwind readnone60declare void @llvm.dbg.declare(metadata, metadata, metadata) #461 62; Function Attrs: inlinehint nounwind63define linkonce_odr void @_ZN1AC2Ev(ptr %this) unnamed_addr #2 align 2 !dbg !34 {64entry:65 %this.addr = alloca ptr, align 866 store ptr %this, ptr %this.addr, align 867 call void @llvm.dbg.declare(metadata ptr %this.addr, metadata !44, metadata !DIExpression()), !dbg !4568 %this1 = load ptr, ptr %this.addr69 store ptr getelementptr inbounds ([4 x ptr], ptr @_ZTV1A, i64 0, i64 2), ptr %this1, !dbg !4670 ret void, !dbg !4671}72 73attributes #0 = { nounwind }74attributes #1 = { nounwind }75attributes #2 = { inlinehint nounwind }76attributes #4 = { nounwind readnone }77 78!llvm.dbg.cu = !{!0}79!llvm.module.flags = !{!35, !36}80!llvm.ident = !{!37}81 82!0 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus, producer: "clang version 3.5 ", isOptimized: false, emissionKind: FullDebug, file: !1, enums: !2, retainedTypes: !3, globals: !2, imports: !2)83!1 = !DIFile(filename: "<unknown>", directory: "")84!2 = !{}85!3 = !{!4}86!4 = !DICompositeType(tag: DW_TAG_class_type, name: "A", line: 2, size: 64, align: 64, file: !5, elements: !6, vtableHolder: !4, identifier: "_ZTS1A")87!5 = !DIFile(filename: "./ab.h", directory: "")88!6 = !{!7, !14, !19}89!7 = !DIDerivedType(tag: DW_TAG_member, name: "_vptr$A", size: 64, flags: DIFlagArtificial, file: !5, scope: !8, baseType: !9)90!8 = !DIFile(filename: "./ab.h", directory: "")91!9 = !DIDerivedType(tag: DW_TAG_pointer_type, size: 64, baseType: !10)92!10 = !DIDerivedType(tag: DW_TAG_pointer_type, name: "__vtbl_ptr_type", size: 64, baseType: !11)93!11 = !DISubroutineType(types: !12)94!12 = !{!13}95!13 = !DIBasicType(tag: DW_TAG_base_type, name: "int", size: 32, align: 32, encoding: DW_ATE_signed)96!14 = !DISubprogram(name: "setFoo", linkageName: "_ZN1A6setFooEv", line: 4, isLocal: false, isDefinition: false, virtuality: DW_VIRTUALITY_virtual, virtualIndex: 6, flags: DIFlagPublic | DIFlagPrototyped, isOptimized: false, scopeLine: 4, file: !5, scope: !4, type: !15, containingType: !4)97!15 = !DISubroutineType(types: !16)98!16 = !{null, !17}99!17 = !DIDerivedType(tag: DW_TAG_pointer_type, size: 64, align: 64, flags: DIFlagArtificial | DIFlagObjectPointer, baseType: !4)100!19 = !DISubprogram(name: "getFoo", linkageName: "_ZN1A6getFooEv", line: 5, isLocal: false, isDefinition: false, virtuality: DW_VIRTUALITY_virtual, virtualIndex: 6, flags: DIFlagPublic | DIFlagPrototyped, isOptimized: false, scopeLine: 5, file: !5, scope: !4, type: !20, containingType: !4)101!20 = !DISubroutineType(types: !21)102!21 = !{!22, !17}103!22 = !DIDerivedType(tag: DW_TAG_const_type, baseType: !23)104!23 = !DIDerivedType(tag: DW_TAG_typedef, name: "foo_t", line: 1, file: !24, baseType: !13)105!24 = !DIFile(filename: "a.cpp", directory: "")106!27 = distinct !DISubprogram(name: "bar", linkageName: "_Z3barv", line: 2, isLocal: false, isDefinition: true, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: false, unit: !0, scopeLine: 2, file: !24, scope: !28, type: !29, retainedNodes: !2)107!28 = !DIFile(filename: "a.cpp", directory: "")108!29 = !DISubroutineType(types: !30)109!30 = !{!23}110!31 = distinct !DISubprogram(name: "A", linkageName: "_ZN1AC1Ev", line: 2, isLocal: false, isDefinition: true, virtualIndex: 6, flags: DIFlagArtificial | DIFlagPrototyped, isOptimized: false, unit: !0, scopeLine: 2, file: !5, scope: !4, type: !15, declaration: !32, retainedNodes: !2)111!32 = !DISubprogram(name: "A", isLocal: false, isDefinition: false, virtualIndex: 6, flags: DIFlagArtificial | DIFlagPrototyped, isOptimized: false, scope: !4, type: !15)112!34 = distinct !DISubprogram(name: "A", linkageName: "_ZN1AC2Ev", line: 2, isLocal: false, isDefinition: true, virtualIndex: 6, flags: DIFlagArtificial | DIFlagPrototyped, isOptimized: false, unit: !0, scopeLine: 2, file: !5, scope: !4, type: !15, declaration: !32, retainedNodes: !2)113!35 = !{i32 2, !"Dwarf Version", i32 3}114!36 = !{i32 1, !"Debug Info Version", i32 3}115!37 = !{!"clang version 3.5 "}116!38 = !DILocation(line: 3, scope: !27)117!39 = !DILocalVariable(name: "this", arg: 1, flags: DIFlagArtificial | DIFlagObjectPointer, scope: !31, type: !40)118!40 = !DIDerivedType(tag: DW_TAG_pointer_type, size: 64, align: 64, baseType: !4)119!41 = !DILocation(line: 0, scope: !31)120!42 = !DILocation(line: 2, scope: !43)121!43 = !DILexicalBlockFile(discriminator: 0, file: !5, scope: !31)122!44 = !DILocalVariable(name: "this", arg: 1, flags: DIFlagArtificial | DIFlagObjectPointer, scope: !34, type: !40)123!45 = !DILocation(line: 0, scope: !34)124!46 = !DILocation(line: 2, scope: !34)125