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 -debug-dump=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: _ZN1A6setFooEv 22; CHECK: DW_AT_accessibility [DW_FORM_data1] (DW_ACCESS_public) 23; CHECK-NOT: DW_AT_accessibility 24; CHECK: DW_TAG 25 26; ModuleID = 'a.cpp' 27 28%class.A = type { i32 (...)** } 29 30@_ZTV1A = external unnamed_addr constant [4 x i8*] 31 32; Function Attrs: nounwind 33define i32 @_Z3barv() #0 { 34entry: 35 %tmp = alloca %class.A, align 8 36 %0 = bitcast %class.A* %tmp to i8*, !dbg !38 37 call void @llvm.memset.p0i8.i64(i8* %0, i8 0, i64 8, i32 8, i1 false), !dbg !38 38 call void @_ZN1AC1Ev(%class.A* %tmp) #1, !dbg !38 39 %call = call i32 @_ZN1A6getFooEv(%class.A* %tmp), !dbg !38 40 ret i32 %call, !dbg !38 41} 42 43; Function Attrs: nounwind 44declare void @llvm.memset.p0i8.i64(i8* nocapture, i8, i64, i32, i1) #1 45 46; Function Attrs: inlinehint nounwind 47define linkonce_odr void @_ZN1AC1Ev(%class.A* %this) unnamed_addr #2 align 2 { 48entry: 49 %this.addr = alloca %class.A*, align 8 50 store %class.A* %this, %class.A** %this.addr, align 8 51 call void @llvm.dbg.declare(metadata %class.A** %this.addr, metadata !39, metadata !MDExpression()), !dbg !41 52 %this1 = load %class.A*, %class.A** %this.addr 53 call void @_ZN1AC2Ev(%class.A* %this1) #1, !dbg !42 54 ret void, !dbg !42 55} 56 57declare i32 @_ZN1A6getFooEv(%class.A*) 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(%class.A* %this) unnamed_addr #2 align 2 { 64entry: 65 %this.addr = alloca %class.A*, align 8 66 store %class.A* %this, %class.A** %this.addr, align 8 67 call void @llvm.dbg.declare(metadata %class.A** %this.addr, metadata !44, metadata !MDExpression()), !dbg !45 68 %this1 = load %class.A*, %class.A** %this.addr 69 %0 = bitcast %class.A* %this1 to i8***, !dbg !46 70 store i8** getelementptr inbounds ([4 x i8*], [4 x i8*]* @_ZTV1A, i64 0, i64 2), i8*** %0, !dbg !46 71 ret void, !dbg !46 72} 73 74attributes #0 = { nounwind } 75attributes #1 = { nounwind } 76attributes #2 = { inlinehint nounwind } 77attributes #4 = { nounwind readnone } 78 79!llvm.dbg.cu = !{!0} 80!llvm.module.flags = !{!35, !36} 81!llvm.ident = !{!37} 82 83!0 = !MDCompileUnit(language: DW_LANG_C_plus_plus, producer: "clang version 3.5 ", isOptimized: false, emissionKind: 0, file: !1, enums: !2, retainedTypes: !3, subprograms: !26, globals: !2, imports: !2) 84!1 = !MDFile(filename: "<unknown>", directory: "") 85!2 = !{} 86!3 = !{!4} 87!4 = !MDCompositeType(tag: DW_TAG_class_type, name: "A", line: 2, size: 64, align: 64, file: !5, elements: !6, vtableHolder: !"_ZTS1A", identifier: "_ZTS1A") 88!5 = !MDFile(filename: "./ab.h", directory: "") 89!6 = !{!7, !14, !19} 90!7 = !MDDerivedType(tag: DW_TAG_member, name: "_vptr$A", size: 64, flags: DIFlagArtificial, file: !5, scope: !8, baseType: !9) 91!8 = !MDFile(filename: "./ab.h", directory: "") 92!9 = !MDDerivedType(tag: DW_TAG_pointer_type, size: 64, baseType: !10) 93!10 = !MDDerivedType(tag: DW_TAG_pointer_type, name: "__vtbl_ptr_type", size: 64, baseType: !11) 94!11 = !MDSubroutineType(types: !12) 95!12 = !{!13} 96!13 = !MDBasicType(tag: DW_TAG_base_type, name: "int", size: 32, align: 32, encoding: DW_ATE_signed) 97!14 = !MDSubprogram(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: !"_ZTS1A", type: !15, containingType: !"_ZTS1A") 98!15 = !MDSubroutineType(types: !16) 99!16 = !{null, !17} 100!17 = !MDDerivedType(tag: DW_TAG_pointer_type, size: 64, align: 64, flags: DIFlagArtificial | DIFlagObjectPointer, baseType: !"_ZTS1A") 101!19 = !MDSubprogram(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: !"_ZTS1A", type: !20, containingType: !"_ZTS1A") 102!20 = !MDSubroutineType(types: !21) 103!21 = !{!22, !17} 104!22 = !MDDerivedType(tag: DW_TAG_const_type, baseType: !23) 105!23 = !MDDerivedType(tag: DW_TAG_typedef, name: "foo_t", line: 1, file: !24, baseType: !13) 106!24 = !MDFile(filename: "a.cpp", directory: "") 107!26 = !{!27, !31, !34} 108!27 = !MDSubprogram(name: "bar", linkageName: "_Z3barv", line: 2, isLocal: false, isDefinition: true, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: false, scopeLine: 2, file: !24, scope: !28, type: !29, function: i32 ()* @_Z3barv, variables: !2) 109!28 = !MDFile(filename: "a.cpp", directory: "") 110!29 = !MDSubroutineType(types: !30) 111!30 = !{!23} 112!31 = !MDSubprogram(name: "A", linkageName: "_ZN1AC1Ev", line: 2, isLocal: false, isDefinition: true, virtualIndex: 6, flags: DIFlagArtificial | DIFlagPrototyped, isOptimized: false, scopeLine: 2, file: !5, scope: !"_ZTS1A", type: !15, function: void (%class.A*)* @_ZN1AC1Ev, declaration: !32, variables: !2) 113!32 = !MDSubprogram(name: "A", isLocal: false, isDefinition: false, virtualIndex: 6, flags: DIFlagArtificial | DIFlagPrototyped, isOptimized: false, scope: !"_ZTS1A", type: !15) 114!34 = !MDSubprogram(name: "A", linkageName: "_ZN1AC2Ev", line: 2, isLocal: false, isDefinition: true, virtualIndex: 6, flags: DIFlagArtificial | DIFlagPrototyped, isOptimized: false, scopeLine: 2, file: !5, scope: !"_ZTS1A", type: !15, function: void (%class.A*)* @_ZN1AC2Ev, declaration: !32, variables: !2) 115!35 = !{i32 2, !"Dwarf Version", i32 2} 116!36 = !{i32 1, !"Debug Info Version", i32 3} 117!37 = !{!"clang version 3.5 "} 118!38 = !MDLocation(line: 3, scope: !27) 119!39 = !MDLocalVariable(tag: DW_TAG_arg_variable, name: "this", arg: 1, flags: DIFlagArtificial | DIFlagObjectPointer, scope: !31, type: !40) 120!40 = !MDDerivedType(tag: DW_TAG_pointer_type, size: 64, align: 64, baseType: !"_ZTS1A") 121!41 = !MDLocation(line: 0, scope: !31) 122!42 = !MDLocation(line: 2, scope: !43) 123!43 = !MDLexicalBlockFile(discriminator: 0, file: !5, scope: !31) 124!44 = !MDLocalVariable(tag: DW_TAG_arg_variable, name: "this", arg: 1, flags: DIFlagArtificial | DIFlagObjectPointer, scope: !34, type: !40) 125!45 = !MDLocation(line: 0, scope: !34) 126!46 = !MDLocation(line: 2, scope: !34) 127