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