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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]   (0x01)
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
33define i32 @_Z3barv() #0 {
34entry:
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
44declare void @llvm.memset.p0i8.i64(i8* nocapture, i8, i64, i32, i1) #1
45
46; Function Attrs: inlinehint nounwind
47define linkonce_odr void @_ZN1AC1Ev(%class.A* %this) unnamed_addr #2 align 2 {
48entry:
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), !dbg !41
52  %this1 = load %class.A** %this.addr
53  call void @_ZN1AC2Ev(%class.A* %this1) #1, !dbg !42
54  ret void, !dbg !42
55}
56
57declare i32 @_ZN1A6getFooEv(%class.A*)
58
59; Function Attrs: nounwind readnone
60declare void @llvm.dbg.declare(metadata, metadata) #4
61
62; Function Attrs: inlinehint nounwind
63define linkonce_odr void @_ZN1AC2Ev(%class.A* %this) unnamed_addr #2 align 2 {
64entry:
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), !dbg !45
68  %this1 = load %class.A** %this.addr
69  %0 = bitcast %class.A* %this1 to i8***, !dbg !46
70  store i8** getelementptr inbounds ([4 x i8*]* @_ZTV1A, i64 0, i64 2), i8*** %0, !dbg !46
71  ret void, !dbg !46
72}
73
74attributes #0 = { nounwind }
75attributes #1 = { nounwind }
76attributes #2 = { inlinehint nounwind }
77attributes #4 = { nounwind readnone }
78
79!llvm.dbg.cu = !{!0}
80!llvm.module.flags = !{!35, !36}
81!llvm.ident = !{!37}
82
83!0 = metadata !{i32 786449, metadata !1, i32 4, metadata !"clang version 3.5 ", i1 false, metadata !"", i32 0, metadata !2, metadata !3, metadata !26, metadata !2, metadata !2, metadata !""} ; [ DW_TAG_compile_unit ] [/<unknown>] [DW_LANG_C_plus_plus]
84!1 = metadata !{metadata !"<unknown>", metadata !""}
85!2 = metadata !{}
86!3 = metadata !{metadata !4}
87!4 = metadata !{i32 786434, metadata !5, null, metadata !"A", i32 2, i64 64, i64 64, i32 0, i32 0, null, metadata !6, i32 0, metadata !"_ZTS1A", null, metadata !"_ZTS1A"} ; [ DW_TAG_class_type ] [A] [line 2, size 64, align 64, offset 0] [def] [from ]
88!5 = metadata !{metadata !"./ab.h", metadata !""}
89!6 = metadata !{metadata !7, metadata !14, metadata !19}
90!7 = metadata !{i32 786445, metadata !5, metadata !8, metadata !"_vptr$A", i32 0, i64 64, i64 0, i64 0, i32 64, metadata !9} ; [ DW_TAG_member ] [_vptr$A] [line 0, size 64, align 0, offset 0] [artificial] [from ]
91!8 = metadata !{i32 786473, metadata !5}          ; [ DW_TAG_file_type ] [/./ab.h]
92!9 = metadata !{i32 786447, null, null, metadata !"", i32 0, i64 64, i64 0, i64 0, i32 0, metadata !10} ; [ DW_TAG_pointer_type ] [line 0, size 64, align 0, offset 0] [from __vtbl_ptr_type]
93!10 = metadata !{i32 786447, null, null, metadata !"__vtbl_ptr_type", i32 0, i64 64, i64 0, i64 0, i32 0, metadata !11} ; [ DW_TAG_pointer_type ] [__vtbl_ptr_type] [line 0, size 64, align 0, offset 0] [from ]
94!11 = metadata !{i32 786453, i32 0, null, metadata !"", i32 0, i64 0, i64 0, i64 0, i32 0, null, metadata !12, i32 0, null, null, null} ; [ DW_TAG_subroutine_type ] [line 0, size 0, align 0, offset 0] [from ]
95!12 = metadata !{metadata !13}
96!13 = 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]
97!14 = metadata !{i32 786478, metadata !5, metadata !"_ZTS1A", metadata !"setFoo", metadata !"setFoo", metadata !"_ZN1A6setFooEv", i32 4, metadata !15, i1 false, i1 false, i32 1, i32 0, metadata !"_ZTS1A", i32 256, i1 false, null, null, i32 0, metadata !18, i32 4} ; [ DW_TAG_subprogram ] [line 4] [setFoo]
98!15 = metadata !{i32 786453, i32 0, null, metadata !"", i32 0, i64 0, i64 0, i64 0, i32 0, null, metadata !16, i32 0, null, null, null} ; [ DW_TAG_subroutine_type ] [line 0, size 0, align 0, offset 0] [from ]
99!16 = metadata !{null, metadata !17}
100!17 = 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]
101!18 = metadata !{i32 786468}
102!19 = metadata !{i32 786478, metadata !5, metadata !"_ZTS1A", metadata !"getFoo", metadata !"getFoo", metadata !"_ZN1A6getFooEv", i32 5, metadata !20, i1 false, i1 false, i32 1, i32 1, metadata !"_ZTS1A", i32 256, i1 false, null, null, i32 0, metadata !25, i32 5} ; [ DW_TAG_subprogram ] [line 5] [getFoo]
103!20 = metadata !{i32 786453, i32 0, null, metadata !"", i32 0, i64 0, i64 0, i64 0, i32 0, null, metadata !21, i32 0, null, null, null} ; [ DW_TAG_subroutine_type ] [line 0, size 0, align 0, offset 0] [from ]
104!21 = metadata !{metadata !22, metadata !17}
105!22 = metadata !{i32 786470, null, null, metadata !"", i32 0, i64 0, i64 0, i64 0, i32 0, metadata !23} ; [ DW_TAG_const_type ] [line 0, size 0, align 0, offset 0] [from foo_t]
106!23 = metadata !{i32 786454, metadata !24, null, metadata !"foo_t", i32 1, i64 0, i64 0, i64 0, i32 0, metadata !13} ; [ DW_TAG_typedef ] [foo_t] [line 1, size 0, align 0, offset 0] [from int]
107!24 = metadata !{metadata !"a.cpp", metadata !""}
108!25 = metadata !{i32 786468}
109!26 = metadata !{metadata !27, metadata !31, metadata !34}
110!27 = metadata !{i32 786478, metadata !24, metadata !28, metadata !"bar", metadata !"bar", metadata !"_Z3barv", i32 2, metadata !29, i1 false, i1 true, i32 0, i32 0, null, i32 256, i1 false, i32 ()* @_Z3barv, null, null, metadata !2, i32 2} ; [ DW_TAG_subprogram ] [line 2] [def] [bar]
111!28 = metadata !{i32 786473, metadata !24}        ; [ DW_TAG_file_type ] [/a.cpp]
112!29 = metadata !{i32 786453, i32 0, null, metadata !"", i32 0, i64 0, i64 0, i64 0, i32 0, null, metadata !30, i32 0, null, null, null} ; [ DW_TAG_subroutine_type ] [line 0, size 0, align 0, offset 0] [from ]
113!30 = metadata !{metadata !23}
114!31 = metadata !{i32 786478, metadata !5, metadata !"_ZTS1A", metadata !"A", metadata !"A", metadata !"_ZN1AC1Ev", i32 2, metadata !15, i1 false, i1 true, i32 0, i32 0, null, i32 320, i1 false, void (%class.A*)* @_ZN1AC1Ev, null, metadata !32, metadata !2, i32 2} ; [ DW_TAG_subprogram ] [line 2] [def] [A]
115!32 = metadata !{i32 786478, null, metadata !"_ZTS1A", metadata !"A", metadata !"A", metadata !"", i32 0, metadata !15, i1 false, i1 false, i32 0, i32 0, null, i32 320, i1 false, null, null, i32 0, metadata !33, i32 0} ; [ DW_TAG_subprogram ] [line 0] [A]
116!33 = metadata !{i32 786468}
117!34 = metadata !{i32 786478, metadata !5, metadata !"_ZTS1A", metadata !"A", metadata !"A", metadata !"_ZN1AC2Ev", i32 2, metadata !15, i1 false, i1 true, i32 0, i32 0, null, i32 320, i1 false, void (%class.A*)* @_ZN1AC2Ev, null, metadata !32, metadata !2, i32 2} ; [ DW_TAG_subprogram ] [line 2] [def] [A]
118!35 = metadata !{i32 2, metadata !"Dwarf Version", i32 2}
119!36 = metadata !{i32 1, metadata !"Debug Info Version", i32 1}
120!37 = metadata !{metadata !"clang version 3.5 "}
121!38 = metadata !{i32 3, i32 0, metadata !27, null}
122!39 = metadata !{i32 786689, metadata !31, metadata !"this", null, i32 16777216, metadata !40, i32 1088, i32 0} ; [ DW_TAG_arg_variable ] [this] [line 0]
123!40 = 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]
124!41 = metadata !{i32 0, i32 0, metadata !31, null}
125!42 = metadata !{i32 2, i32 0, metadata !43, null}
126!43 = metadata !{i32 786443, metadata !5, metadata !31} ; [ DW_TAG_lexical_block ] [/./ab.h]
127!44 = metadata !{i32 786689, metadata !34, metadata !"this", null, i32 16777216, metadata !40, i32 1088, i32 0} ; [ DW_TAG_arg_variable ] [this] [line 0]
128!45 = metadata !{i32 0, i32 0, metadata !34, null}
129!46 = metadata !{i32 2, i32 0, metadata !34, null}
130