1; RUN: llc -mtriple=x86_64-apple-macosx %s -o %t -filetype=obj 2; RUN: llvm-dwarfdump -debug-dump=info %t | FileCheck %s 3; 4; struct A { 5; A(int i); 6; ~A(); 7; }; 8; 9; A::~A() {} 10; 11; void foo() { 12; A a(1); 13; } 14; 15; rdar://problem/16362674 16; 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. 19 20; CHECK: DW_TAG_subprogram 21; CHECK: [[A_DTOR:.*]]: DW_TAG_subprogram 22; CHECK: DW_AT_name {{.*}} "~A" 23; CHECK-NOT: DW_AT_MIPS_linkage_name 24; CHECK: DW_TAG_subprogram 25; CHECK-NOT: DW_TAG 26; CHECK: DW_AT_MIPS_linkage_name {{.*}} "_ZN1AD2Ev" 27; CHECK-NOT: DW_TAG 28; CHECK: DW_AT_specification {{.*}}[[A_DTOR]] 29 30 31target datalayout = "e-m:o-i64:64-f80:128-n8:16:32:64-S128" 32target triple = "x86_64-apple-macosx10.9.0" 33 34%struct.A = type { i8 } 35 36; Function Attrs: nounwind ssp uwtable 37define void @_ZN1AD2Ev(%struct.A* %this) unnamed_addr #0 align 2 { 38entry: 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), !dbg !28 42 %this1 = load %struct.A** %this.addr 43 ret void, !dbg !29 44} 45 46; Function Attrs: nounwind readnone 47declare void @llvm.dbg.declare(metadata, metadata) #1 48 49; Function Attrs: nounwind ssp uwtable 50define void @_ZN1AD1Ev(%struct.A* %this) unnamed_addr #0 align 2 { 51entry: 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), !dbg !31 55 %this1 = load %struct.A** %this.addr 56 call void @_ZN1AD2Ev(%struct.A* %this1), !dbg !32 57 ret void, !dbg !33 58} 59 60; Function Attrs: ssp uwtable 61define void @_Z3foov() #2 { 62entry: 63 %a = alloca %struct.A, align 1 64 call void @llvm.dbg.declare(metadata !{%struct.A* %a}, metadata !34), !dbg !35 65 call void @_ZN1AC1Ei(%struct.A* %a, i32 1), !dbg !35 66 call void @_ZN1AD1Ev(%struct.A* %a), !dbg !36 67 ret void, !dbg !36 68} 69 70declare void @_ZN1AC1Ei(%struct.A*, i32) 71 72attributes #0 = { nounwind ssp uwtable } 73attributes #1 = { nounwind readnone } 74attributes #2 = { ssp uwtable } 75 76!llvm.dbg.cu = !{!0} 77!llvm.module.flags = !{!23, !24} 78!llvm.ident = !{!25} 79 80!0 = metadata !{i32 786449, metadata !1, i32 4, metadata !"clang version 3.5.0 ", i1 false, metadata !"", i32 0, metadata !2, metadata !3, metadata !16, metadata !2, metadata !2, metadata !"", i32 1} ; [ DW_TAG_compile_unit ] [linkage-name.cpp] [DW_LANG_C_plus_plus] 81!1 = metadata !{metadata !"linkage-name.cpp", metadata !""} 82!2 = metadata !{} 83!3 = metadata !{metadata !4} 84!4 = metadata !{i32 786451, metadata !1, null, metadata !"A", i32 1, i64 8, i64 8, i32 0, i32 0, null, metadata !5, i32 0, null, null, metadata !"_ZTS1A"} ; [ DW_TAG_structure_type ] [A] [line 1, size 8, align 8, offset 0] [def] [from ] 85!5 = metadata !{metadata !6, metadata !12} 86!6 = metadata !{i32 786478, metadata !1, metadata !"_ZTS1A", metadata !"A", metadata !"A", metadata !"", i32 2, metadata !7, i1 false, i1 false, i32 0, i32 0, null, i32 256, i1 false, null, null, i32 0, metadata !11, i32 2} ; [ DW_TAG_subprogram ] [line 2] [A] 87!7 = metadata !{i32 786453, i32 0, null, metadata !"", i32 0, i64 0, i64 0, i64 0, i32 0, null, metadata !8, i32 0, null, null, null} ; [ DW_TAG_subroutine_type ] [line 0, size 0, align 0, offset 0] [from ] 88!8 = metadata !{null, metadata !9, metadata !10} 89!9 = metadata !{i32 786447, null, null, metadata !"", i32 0, i64 64, i64 64, i64 0, i32 1088, metadata !"_ZTS1A"} ; [ DW_TAG_pointer_type ] [line 0, size 64, align 64, offset 0] [artificial] [from _ZTS1A] 90!10 = metadata !{i32 786468, null, null, metadata !"int", i32 0, i64 32, i64 32, i64 0, i32 0, i32 5} ; [ DW_TAG_base_type ] [int] [line 0, size 32, align 32, offset 0, enc DW_ATE_signed] 91!11 = metadata !{i32 786468} 92!12 = metadata !{i32 786478, metadata !1, metadata !"_ZTS1A", metadata !"~A", metadata !"~A", metadata !"", i32 3, metadata !13, i1 false, i1 false, i32 0, i32 0, null, i32 256, i1 false, null, null, i32 0, metadata !15, i32 3} ; [ DW_TAG_subprogram ] [line 3] [~A] 93!13 = metadata !{i32 786453, i32 0, null, metadata !"", i32 0, i64 0, i64 0, i64 0, i32 0, null, metadata !14, i32 0, null, null, null} ; [ DW_TAG_subroutine_type ] [line 0, size 0, align 0, offset 0] [from ] 94!14 = metadata !{null, metadata !9} 95!15 = metadata !{i32 786468} 96!16 = metadata !{metadata !17, metadata !18, metadata !19} 97!17 = metadata !{i32 786478, metadata !1, metadata !"_ZTS1A", metadata !"~A", metadata !"~A", metadata !"_ZN1AD2Ev", i32 6, metadata !13, i1 false, i1 true, i32 0, i32 0, null, i32 256, i1 false, void (%struct.A*)* @_ZN1AD2Ev, null, metadata !12, metadata !2, i32 6} ; [ DW_TAG_subprogram ] [line 6] [def] [~A] 98!18 = metadata !{i32 786478, metadata !1, metadata !"_ZTS1A", metadata !"~A", metadata !"~A", metadata !"_ZN1AD1Ev", i32 6, metadata !13, i1 false, i1 true, i32 0, i32 0, null, i32 256, i1 false, void (%struct.A*)* @_ZN1AD1Ev, null, metadata !12, metadata !2, i32 6} ; [ DW_TAG_subprogram ] [line 6] [def] [~A] 99!19 = metadata !{i32 786478, metadata !1, metadata !20, metadata !"foo", metadata !"foo", metadata !"_Z3foov", i32 10, metadata !21, i1 false, i1 true, i32 0, i32 0, null, i32 256, i1 false, void ()* @_Z3foov, null, null, metadata !2, i32 10} ; [ DW_TAG_subprogram ] [line 10] [def] [foo] 100!20 = metadata !{i32 786473, metadata !1} ; [ DW_TAG_file_type ] [linkage-name.cpp] 101!21 = metadata !{i32 786453, i32 0, null, metadata !"", i32 0, i64 0, i64 0, i64 0, i32 0, null, metadata !22, i32 0, null, null, null} ; [ DW_TAG_subroutine_type ] [line 0, size 0, align 0, offset 0] [from ] 102!22 = metadata !{null} 103!23 = metadata !{i32 2, metadata !"Dwarf Version", i32 2} 104!24 = metadata !{i32 1, metadata !"Debug Info Version", i32 1} 105!25 = metadata !{metadata !"clang version 3.5.0 "} 106!26 = metadata !{i32 786689, metadata !17, metadata !"this", null, i32 16777216, metadata !27, i32 1088, i32 0} ; [ DW_TAG_arg_variable ] [this] [line 0] 107!27 = metadata !{i32 786447, null, null, metadata !"", i32 0, i64 64, i64 64, i64 0, i32 0, metadata !"_ZTS1A"} ; [ DW_TAG_pointer_type ] [line 0, size 64, align 64, offset 0] [from _ZTS1A] 108!28 = metadata !{i32 0, i32 0, metadata !17, null} 109!29 = metadata !{i32 8, i32 0, metadata !17, null} ; [ DW_TAG_imported_declaration ] 110!30 = metadata !{i32 786689, metadata !18, metadata !"this", null, i32 16777216, metadata !27, i32 1088, i32 0} ; [ DW_TAG_arg_variable ] [this] [line 0] 111!31 = metadata !{i32 0, i32 0, metadata !18, null} 112!32 = metadata !{i32 6, i32 0, metadata !18, null} 113!33 = metadata !{i32 8, i32 0, metadata !18, null} ; [ DW_TAG_imported_declaration ] 114!34 = metadata !{i32 786688, metadata !19, metadata !"a", metadata !20, i32 11, metadata !"_ZTS1A", i32 0, i32 0} ; [ DW_TAG_auto_variable ] [a] [line 11] 115!35 = metadata !{i32 11, i32 0, metadata !19, null} 116!36 = metadata !{i32 12, i32 0, metadata !19, null} 117