1 ; RUN: llc -mtriple=x86_64-apple-macosx %s -o %t -filetype=obj
2 ; RUN: llvm-dwarfdump -v -debug-info %t | FileCheck %s
15 ; rdar://problem/16362674
17 ; Test that we do not emit a linkage name for the declaration of a destructor.
18 ; Test that we do emit a linkage name for a specific instance of it.
20 ; CHECK: DW_TAG_subprogram
21 ; CHECK: DW_TAG_subprogram
22 ; CHECK: DW_AT_name {{.*}} "~A"
23 ; CHECK-NOT: DW_AT_MIPS_linkage_name
24 ; CHECK: DW_TAG_subprogram
26 ; CHECK: DW_AT_MIPS_linkage_name {{.*}} "_ZN1AD2Ev"
28 ; CHECK: DW_AT_specification {{.*}} "~A"
31 target datalayout = "e-m:o-i64:64-f80:128-n8:16:32:64-S128"
32 target triple = "x86_64-apple-macosx10.9.0"
34 %struct.A = type { i8 }
36 ; Function Attrs: nounwind ssp uwtable
37 define void @_ZN1AD2Ev(%struct.A* %this) unnamed_addr #0 align 2 !dbg !17 {
39 %this.addr = alloca %struct.A*, align 8
40 store %struct.A* %this, %struct.A** %this.addr, align 8
41 call void @llvm.dbg.declare(metadata %struct.A** %this.addr, metadata !26, metadata !DIExpression()), !dbg !28
42 %this1 = load %struct.A*, %struct.A** %this.addr
46 ; Function Attrs: nounwind readnone
47 declare void @llvm.dbg.declare(metadata, metadata, metadata) #1
49 ; Function Attrs: nounwind ssp uwtable
50 define void @_ZN1AD1Ev(%struct.A* %this) unnamed_addr #0 align 2 !dbg !18 {
52 %this.addr = alloca %struct.A*, align 8
53 store %struct.A* %this, %struct.A** %this.addr, align 8
54 call void @llvm.dbg.declare(metadata %struct.A** %this.addr, metadata !30, metadata !DIExpression()), !dbg !31
55 %this1 = load %struct.A*, %struct.A** %this.addr
56 call void @_ZN1AD2Ev(%struct.A* %this1), !dbg !32
60 ; Function Attrs: ssp uwtable
61 define void @_Z3foov() #2 !dbg !19 {
63 %a = alloca %struct.A, align 1
64 call void @llvm.dbg.declare(metadata %struct.A* %a, metadata !34, metadata !DIExpression()), !dbg !35
65 call void @_ZN1AC1Ei(%struct.A* %a, i32 1), !dbg !35
66 call void @_ZN1AD1Ev(%struct.A* %a), !dbg !36
70 declare void @_ZN1AC1Ei(%struct.A*, i32)
72 attributes #0 = { nounwind ssp uwtable }
73 attributes #1 = { nounwind readnone }
74 attributes #2 = { ssp uwtable }
77 !llvm.module.flags = !{!23, !24}
80 !0 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus, producer: "clang version 3.5.0 ", isOptimized: false, emissionKind: FullDebug, file: !1, enums: !2, retainedTypes: !3, globals: !2, imports: !2)
81 !1 = !DIFile(filename: "linkage-name.cpp", directory: "")
84 !4 = !DICompositeType(tag: DW_TAG_structure_type, name: "A", line: 1, size: 8, align: 8, file: !1, elements: !5, identifier: "_ZTS1A")
86 !6 = !DISubprogram(name: "A", line: 2, isLocal: false, isDefinition: false, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: false, scopeLine: 2, file: !1, scope: !4, type: !7)
87 !7 = !DISubroutineType(types: !8)
89 !9 = !DIDerivedType(tag: DW_TAG_pointer_type, size: 64, align: 64, flags: DIFlagArtificial | DIFlagObjectPointer, baseType: !4)
90 !10 = !DIBasicType(tag: DW_TAG_base_type, name: "int", size: 32, align: 32, encoding: DW_ATE_signed)
91 !12 = !DISubprogram(name: "~A", line: 3, isLocal: false, isDefinition: false, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: false, scopeLine: 3, file: !1, scope: !4, type: !13)
92 !13 = !DISubroutineType(types: !14)
94 !17 = distinct !DISubprogram(name: "~A", linkageName: "_ZN1AD2Ev", line: 6, isLocal: false, isDefinition: true, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: false, unit: !0, scopeLine: 6, file: !1, scope: !4, type: !13, declaration: !12, retainedNodes: !2)
95 !18 = distinct !DISubprogram(name: "~A", linkageName: "_ZN1AD1Ev", line: 6, isLocal: false, isDefinition: true, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: false, unit: !0, scopeLine: 6, file: !1, scope: !4, type: !13, declaration: !12, retainedNodes: !2)
96 !19 = distinct !DISubprogram(name: "foo", linkageName: "_Z3foov", line: 10, isLocal: false, isDefinition: true, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: false, unit: !0, scopeLine: 10, file: !1, scope: !20, type: !21, retainedNodes: !2)
97 !20 = !DIFile(filename: "linkage-name.cpp", directory: "")
98 !21 = !DISubroutineType(types: !22)
100 !23 = !{i32 2, !"Dwarf Version", i32 2}
101 !24 = !{i32 1, !"Debug Info Version", i32 3}
102 !25 = !{!"clang version 3.5.0 "}
103 !26 = !DILocalVariable(name: "this", arg: 1, flags: DIFlagArtificial | DIFlagObjectPointer, scope: !17, type: !27)
104 !27 = !DIDerivedType(tag: DW_TAG_pointer_type, size: 64, align: 64, baseType: !4)
105 !28 = !DILocation(line: 0, scope: !17)
106 !29 = !DILocation(line: 8, scope: !17)
107 !30 = !DILocalVariable(name: "this", arg: 1, flags: DIFlagArtificial | DIFlagObjectPointer, scope: !18, type: !27)
108 !31 = !DILocation(line: 0, scope: !18)
109 !32 = !DILocation(line: 6, scope: !18)
110 !33 = !DILocation(line: 8, scope: !18)
111 !34 = !DILocalVariable(name: "a", line: 11, scope: !19, file: !20, type: !4)
112 !35 = !DILocation(line: 11, scope: !19)
113 !36 = !DILocation(line: 12, scope: !19)