1; REQUIRES: object-emission 2; 3; RUN: llvm-link %s %p/type-unique-simple2-b.ll -S -o - | %llc_dwarf -filetype=obj -O0 | llvm-dwarfdump -v -debug-info - | FileCheck %s 4; 5; Tests for a merge error where attributes are inserted twice into the same DIE. 6; 7; $ cat ab.h 8; typedef int foo_t; 9; class A { 10; public: 11; virtual void setFoo(); 12; virtual const foo_t getFoo(); 13; }; 14; 15; $ cat a.cpp 16; #include "ab.h" 17; foo_t bar() { 18; return A().getFoo(); 19; } 20; 21; CHECK: DW_AT_name {{.*}}"setFoo" 22; CHECK-NOT: DW_TAG 23; CHECK: DW_AT_accessibility [DW_FORM_data1] (DW_ACCESS_public) 24; CHECK-NOT: DW_AT_accessibility 25; CHECK: DW_TAG 26 27; ModuleID = 'a.cpp' 28 29%class.A = type { ptr } 30 31@_ZTV1A = external unnamed_addr constant [4 x ptr] 32 33; Function Attrs: nounwind 34define i32 @_Z3barv() #0 !dbg !27 { 35entry: 36 %tmp = alloca %class.A, align 8 37 call void @llvm.memset.p0.i64(ptr align 8 %tmp, i8 0, i64 8, i1 false), !dbg !38 38 call void @_ZN1AC1Ev(ptr %tmp) #1, !dbg !38 39 %call = call i32 @_ZN1A6getFooEv(ptr %tmp), !dbg !38 40 ret i32 %call, !dbg !38 41} 42 43; Function Attrs: nounwind 44declare void @llvm.memset.p0.i64(ptr nocapture, i8, i64, i1) #1 45 46; Function Attrs: inlinehint nounwind 47define linkonce_odr void @_ZN1AC1Ev(ptr %this) unnamed_addr #2 align 2 !dbg !31 { 48entry: 49 %this.addr = alloca ptr, align 8 50 store ptr %this, ptr %this.addr, align 8 51 call void @llvm.dbg.declare(metadata ptr %this.addr, metadata !39, metadata !DIExpression()), !dbg !41 52 %this1 = load ptr, ptr %this.addr 53 call void @_ZN1AC2Ev(ptr %this1) #1, !dbg !42 54 ret void, !dbg !42 55} 56 57declare i32 @_ZN1A6getFooEv(ptr) 58 59; Function Attrs: nounwind readnone 60declare void @llvm.dbg.declare(metadata, metadata, metadata) #4 61 62; Function Attrs: inlinehint nounwind 63define linkonce_odr void @_ZN1AC2Ev(ptr %this) unnamed_addr #2 align 2 !dbg !34 { 64entry: 65 %this.addr = alloca ptr, align 8 66 store ptr %this, ptr %this.addr, align 8 67 call void @llvm.dbg.declare(metadata ptr %this.addr, metadata !44, metadata !DIExpression()), !dbg !45 68 %this1 = load ptr, ptr %this.addr 69 store ptr getelementptr inbounds ([4 x ptr], ptr @_ZTV1A, i64 0, i64 2), ptr %this1, !dbg !46 70 ret void, !dbg !46 71} 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