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 33 define i32 @_Z3barv() #0 { 34 entry: 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 44 declare void @llvm.memset.p0i8.i64(i8* nocapture, i8, i64, i32, i1) #1 45 46 ; Function Attrs: inlinehint nounwind 47 define linkonce_odr void @_ZN1AC1Ev(%class.A* %this) unnamed_addr #2 align 2 { 48 entry: 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 57 declare i32 @_ZN1A6getFooEv(%class.A*) 58 59 ; Function Attrs: nounwind readnone 60 declare void @llvm.dbg.declare(metadata, metadata, metadata) #4 61 62 ; Function Attrs: inlinehint nounwind 63 define linkonce_odr void @_ZN1AC2Ev(%class.A* %this) unnamed_addr #2 align 2 { 64 entry: 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 74 attributes #0 = { nounwind } 75 attributes #1 = { nounwind } 76 attributes #2 = { inlinehint nounwind } 77 attributes #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
