1 ; REQUIRES: default_triple, 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: 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 { i32 (...)** } 30 31 @_ZTV1A = external unnamed_addr constant [4 x i8*] 32 33 ; Function Attrs: nounwind 34 define i32 @_Z3barv() #0 !dbg !27 { 35 entry: 36 %tmp = alloca %class.A, align 8 37 %0 = bitcast %class.A* %tmp to i8*, !dbg !38 38 call void @llvm.memset.p0i8.i64(i8* %0, i8 0, i64 8, i32 8, i1 false), !dbg !38 39 call void @_ZN1AC1Ev(%class.A* %tmp) #1, !dbg !38 40 %call = call i32 @_ZN1A6getFooEv(%class.A* %tmp), !dbg !38 41 ret i32 %call, !dbg !38 42 } 43 44 ; Function Attrs: nounwind 45 declare void @llvm.memset.p0i8.i64(i8* nocapture, i8, i64, i32, i1) #1 46 47 ; Function Attrs: inlinehint nounwind 48 define linkonce_odr void @_ZN1AC1Ev(%class.A* %this) unnamed_addr #2 align 2 !dbg !31 { 49 entry: 50 %this.addr = alloca %class.A*, align 8 51 store %class.A* %this, %class.A** %this.addr, align 8 52 call void @llvm.dbg.declare(metadata %class.A** %this.addr, metadata !39, metadata !DIExpression()), !dbg !41 53 %this1 = load %class.A*, %class.A** %this.addr 54 call void @_ZN1AC2Ev(%class.A* %this1) #1, !dbg !42 55 ret void, !dbg !42 56 } 57 58 declare i32 @_ZN1A6getFooEv(%class.A*) 59 60 ; Function Attrs: nounwind readnone 61 declare void @llvm.dbg.declare(metadata, metadata, metadata) #4 62 63 ; Function Attrs: inlinehint nounwind 64 define linkonce_odr void @_ZN1AC2Ev(%class.A* %this) unnamed_addr #2 align 2 !dbg !34 { 65 entry: 66 %this.addr = alloca %class.A*, align 8 67 store %class.A* %this, %class.A** %this.addr, align 8 68 call void @llvm.dbg.declare(metadata %class.A** %this.addr, metadata !44, metadata !DIExpression()), !dbg !45 69 %this1 = load %class.A*, %class.A** %this.addr 70 %0 = bitcast %class.A* %this1 to i8***, !dbg !46 71 store i8** getelementptr inbounds ([4 x i8*], [4 x i8*]* @_ZTV1A, i64 0, i64 2), i8*** %0, !dbg !46 72 ret void, !dbg !46 73 } 74 75 attributes #0 = { nounwind } 76 attributes #1 = { nounwind } 77 attributes #2 = { inlinehint nounwind } 78 attributes #4 = { nounwind readnone } 79 80 !llvm.dbg.cu = !{!0} 81 !llvm.module.flags = !{!35, !36} 82 !llvm.ident = !{!37} 83 84 !0 = distinct !DICompileUnit(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) 85 !1 = !DIFile(filename: "<unknown>", directory: "") 86 !2 = !{} 87 !3 = !{!4} 88 !4 = !DICompositeType(tag: DW_TAG_class_type, name: "A", line: 2, size: 64, align: 64, file: !5, elements: !6, vtableHolder: !"_ZTS1A", identifier: "_ZTS1A") 89 !5 = !DIFile(filename: "./ab.h", directory: "") 90 !6 = !{!7, !14, !19} 91 !7 = !DIDerivedType(tag: DW_TAG_member, name: "_vptr$A", size: 64, flags: DIFlagArtificial, file: !5, scope: !8, baseType: !9) 92 !8 = !DIFile(filename: "./ab.h", directory: "") 93 !9 = !DIDerivedType(tag: DW_TAG_pointer_type, size: 64, baseType: !10) 94 !10 = !DIDerivedType(tag: DW_TAG_pointer_type, name: "__vtbl_ptr_type", size: 64, baseType: !11) 95 !11 = !DISubroutineType(types: !12) 96 !12 = !{!13} 97 !13 = !DIBasicType(tag: DW_TAG_base_type, name: "int", size: 32, align: 32, encoding: DW_ATE_signed) 98 !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: !"_ZTS1A", type: !15, containingType: !"_ZTS1A") 99 !15 = !DISubroutineType(types: !16) 100 !16 = !{null, !17} 101 !17 = !DIDerivedType(tag: DW_TAG_pointer_type, size: 64, align: 64, flags: DIFlagArtificial | DIFlagObjectPointer, baseType: !"_ZTS1A") 102 !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: !"_ZTS1A", type: !20, containingType: !"_ZTS1A") 103 !20 = !DISubroutineType(types: !21) 104 !21 = !{!22, !17} 105 !22 = !DIDerivedType(tag: DW_TAG_const_type, baseType: !23) 106 !23 = !DIDerivedType(tag: DW_TAG_typedef, name: "foo_t", line: 1, file: !24, baseType: !13) 107 !24 = !DIFile(filename: "a.cpp", directory: "") 108 !26 = !{!27, !31, !34} 109 !27 = distinct !DISubprogram(name: "bar", linkageName: "_Z3barv", line: 2, isLocal: false, isDefinition: true, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: false, scopeLine: 2, file: !24, scope: !28, type: !29, variables: !2) 110 !28 = !DIFile(filename: "a.cpp", directory: "") 111 !29 = !DISubroutineType(types: !30) 112 !30 = !{!23} 113 !31 = distinct !DISubprogram(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, declaration: !32, variables: !2) 114 !32 = !DISubprogram(name: "A", isLocal: false, isDefinition: false, virtualIndex: 6, flags: DIFlagArtificial | DIFlagPrototyped, isOptimized: false, scope: !"_ZTS1A", type: !15) 115 !34 = distinct !DISubprogram(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, declaration: !32, variables: !2) 116 !35 = !{i32 2, !"Dwarf Version", i32 2} 117 !36 = !{i32 1, !"Debug Info Version", i32 3} 118 !37 = !{!"clang version 3.5 "} 119 !38 = !DILocation(line: 3, scope: !27) 120 !39 = !DILocalVariable(name: "this", arg: 1, flags: DIFlagArtificial | DIFlagObjectPointer, scope: !31, type: !40) 121 !40 = !DIDerivedType(tag: DW_TAG_pointer_type, size: 64, align: 64, baseType: !"_ZTS1A") 122 !41 = !DILocation(line: 0, scope: !31) 123 !42 = !DILocation(line: 2, scope: !43) 124 !43 = !DILexicalBlockFile(discriminator: 0, file: !5, scope: !31) 125 !44 = !DILocalVariable(name: "this", arg: 1, flags: DIFlagArtificial | DIFlagObjectPointer, scope: !34, type: !40) 126 !45 = !DILocation(line: 0, scope: !34) 127 !46 = !DILocation(line: 2, scope: !34) 128
