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 31 target datalayout = "e-m:o-i64:64-f80:128-n8:16:32:64-S128" 32 target triple = "x86_64-apple-macosx10.9.0" 33 34 %struct.A = type { i8 } 35 36 ; Function Attrs: nounwind ssp uwtable 37 define void @_ZN1AD2Ev(%struct.A* %this) unnamed_addr #0 align 2 { 38 entry: 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 47 declare void @llvm.dbg.declare(metadata, metadata) #1 48 49 ; Function Attrs: nounwind ssp uwtable 50 define void @_ZN1AD1Ev(%struct.A* %this) unnamed_addr #0 align 2 { 51 entry: 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 61 define void @_Z3foov() #2 { 62 entry: 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 70 declare void @_ZN1AC1Ei(%struct.A*, i32) 71 72 attributes #0 = { nounwind ssp uwtable } 73 attributes #1 = { nounwind readnone } 74 attributes #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
