1; RUN: llc -mtriple=x86_64-apple-macosx10.7 %s -o %t -filetype=obj
2; RUN: llvm-dwarfdump -debug-dump=info %t | FileCheck %s
3
4; CHECK: b_ref
5; CHECK-NOT: AT_bit_size
6
7%struct.bar = type { %struct.baz, %struct.baz* }
8%struct.baz = type { i32 }
9
10define i32 @main(i32 %argc, i8** %argv) uwtable ssp {
11entry:
12  %retval = alloca i32, align 4
13  %argc.addr = alloca i32, align 4
14  %argv.addr = alloca i8**, align 8
15  %myBar = alloca %struct.bar, align 8
16  store i32 0, i32* %retval
17  store i32 %argc, i32* %argc.addr, align 4
18  call void @llvm.dbg.declare(metadata i32* %argc.addr, metadata !49, metadata !{!"0x102"}), !dbg !50
19  store i8** %argv, i8*** %argv.addr, align 8
20  call void @llvm.dbg.declare(metadata i8*** %argv.addr, metadata !51, metadata !{!"0x102"}), !dbg !52
21  call void @llvm.dbg.declare(metadata %struct.bar* %myBar, metadata !53, metadata !{!"0x102"}), !dbg !55
22  call void @_ZN3barC1Ei(%struct.bar* %myBar, i32 1), !dbg !56
23  ret i32 0, !dbg !57
24}
25
26declare void @llvm.dbg.declare(metadata, metadata, metadata) nounwind readnone
27
28define linkonce_odr void @_ZN3barC1Ei(%struct.bar* %this, i32 %x) unnamed_addr uwtable ssp align 2 {
29entry:
30  %this.addr = alloca %struct.bar*, align 8
31  %x.addr = alloca i32, align 4
32  store %struct.bar* %this, %struct.bar** %this.addr, align 8
33  call void @llvm.dbg.declare(metadata %struct.bar** %this.addr, metadata !58, metadata !{!"0x102"}), !dbg !59
34  store i32 %x, i32* %x.addr, align 4
35  call void @llvm.dbg.declare(metadata i32* %x.addr, metadata !60, metadata !{!"0x102"}), !dbg !61
36  %this1 = load %struct.bar** %this.addr
37  %0 = load i32* %x.addr, align 4, !dbg !62
38  call void @_ZN3barC2Ei(%struct.bar* %this1, i32 %0), !dbg !62
39  ret void, !dbg !62
40}
41
42define linkonce_odr void @_ZN3barC2Ei(%struct.bar* %this, i32 %x) unnamed_addr uwtable ssp align 2 {
43entry:
44  %this.addr = alloca %struct.bar*, align 8
45  %x.addr = alloca i32, align 4
46  store %struct.bar* %this, %struct.bar** %this.addr, align 8
47  call void @llvm.dbg.declare(metadata %struct.bar** %this.addr, metadata !63, metadata !{!"0x102"}), !dbg !64
48  store i32 %x, i32* %x.addr, align 4
49  call void @llvm.dbg.declare(metadata i32* %x.addr, metadata !65, metadata !{!"0x102"}), !dbg !66
50  %this1 = load %struct.bar** %this.addr
51  %b = getelementptr inbounds %struct.bar* %this1, i32 0, i32 0, !dbg !67
52  %0 = load i32* %x.addr, align 4, !dbg !67
53  call void @_ZN3bazC1Ei(%struct.baz* %b, i32 %0), !dbg !67
54  %1 = getelementptr inbounds %struct.bar* %this1, i32 0, i32 1, !dbg !67
55  %b2 = getelementptr inbounds %struct.bar* %this1, i32 0, i32 0, !dbg !67
56  store %struct.baz* %b2, %struct.baz** %1, align 8, !dbg !67
57  ret void, !dbg !68
58}
59
60define linkonce_odr void @_ZN3bazC1Ei(%struct.baz* %this, i32 %a) unnamed_addr uwtable ssp align 2 {
61entry:
62  %this.addr = alloca %struct.baz*, align 8
63  %a.addr = alloca i32, align 4
64  store %struct.baz* %this, %struct.baz** %this.addr, align 8
65  call void @llvm.dbg.declare(metadata %struct.baz** %this.addr, metadata !70, metadata !{!"0x102"}), !dbg !71
66  store i32 %a, i32* %a.addr, align 4
67  call void @llvm.dbg.declare(metadata i32* %a.addr, metadata !72, metadata !{!"0x102"}), !dbg !73
68  %this1 = load %struct.baz** %this.addr
69  %0 = load i32* %a.addr, align 4, !dbg !74
70  call void @_ZN3bazC2Ei(%struct.baz* %this1, i32 %0), !dbg !74
71  ret void, !dbg !74
72}
73
74define linkonce_odr void @_ZN3bazC2Ei(%struct.baz* %this, i32 %a) unnamed_addr nounwind uwtable ssp align 2 {
75entry:
76  %this.addr = alloca %struct.baz*, align 8
77  %a.addr = alloca i32, align 4
78  store %struct.baz* %this, %struct.baz** %this.addr, align 8
79  call void @llvm.dbg.declare(metadata %struct.baz** %this.addr, metadata !75, metadata !{!"0x102"}), !dbg !76
80  store i32 %a, i32* %a.addr, align 4
81  call void @llvm.dbg.declare(metadata i32* %a.addr, metadata !77, metadata !{!"0x102"}), !dbg !78
82  %this1 = load %struct.baz** %this.addr
83  %h = getelementptr inbounds %struct.baz* %this1, i32 0, i32 0, !dbg !79
84  %0 = load i32* %a.addr, align 4, !dbg !79
85  store i32 %0, i32* %h, align 4, !dbg !79
86  ret void, !dbg !80
87}
88
89!llvm.dbg.cu = !{!0}
90!llvm.module.flags = !{!83}
91
92!0 = !{!"0x11\004\00clang version 3.1 (trunk 146596)\000\00\000\00\000", !82, !1, !3, !27, !1,  !1} ; [ DW_TAG_compile_unit ]
93!1 = !{}
94!3 = !{!5, !9}
95!5 = !{!"0x2\00bar\009\00128\0064\000\000\000", !82, null, null, !7, null, null, null} ; [ DW_TAG_class_type ] [bar] [line 9, size 128, align 64, offset 0] [def] [from ]
96!6 = !{!"0x29", !82} ; [ DW_TAG_file_type ]
97!7 = !{!8, !19, !21}
98!8 = !{!"0xd\00b\0011\0032\0032\000\000", !82, !5, !9} ; [ DW_TAG_member ]
99!9 = !{!"0x2\00baz\003\0032\0032\000\000\000", !82, null, null, !10, null, null, null} ; [ DW_TAG_class_type ] [baz] [line 3, size 32, align 32, offset 0] [def] [from ]
100!10 = !{!11, !13}
101!11 = !{!"0xd\00h\005\0032\0032\000\000", !82, !9, !12} ; [ DW_TAG_member ]
102!12 = !{!"0x24\00int\000\0032\0032\000\000\005", null, null} ; [ DW_TAG_base_type ]
103!13 = !{!"0x2e\00baz\00baz\00\006\000\000\000\006\00256\000\000", !82, !9, !14, null, null, null, i32 0, null} ; [ DW_TAG_subprogram ]
104!14 = !{!"0x15\00\000\000\000\000\000\000", i32 0, null, null, !15, null, null, null} ; [ DW_TAG_subroutine_type ] [line 0, size 0, align 0, offset 0] [from ]
105!15 = !{null, !16, !12}
106!16 = !{!"0xf\00\000\0064\0064\000\0064", i32 0, null, !9} ; [ DW_TAG_pointer_type ]
107!19 = !{!"0xd\00b_ref\0012\0064\0064\0064\000", !82, !5, !20} ; [ DW_TAG_member ]
108!20 = !{!"0x10\00\000\000\000\000\000", null, null, !9} ; [ DW_TAG_reference_type ]
109!21 = !{!"0x2e\00bar\00bar\00\0013\000\000\000\006\00256\000\000", !82, !5, !22, null, null, null, i32 0, null} ; [ DW_TAG_subprogram ]
110!22 = !{!"0x15\00\000\000\000\000\000\000", i32 0, null, null, !23, null, null, null} ; [ DW_TAG_subroutine_type ] [line 0, size 0, align 0, offset 0] [from ]
111!23 = !{null, !24, !12}
112!24 = !{!"0xf\00\000\0064\0064\000\0064", i32 0, null, !5} ; [ DW_TAG_pointer_type ]
113!27 = !{!29, !37, !40, !43, !46}
114!29 = !{!"0x2e\00main\00main\00\0017\000\001\000\006\00256\000\000", !82, !6, !30, null, i32 (i32, i8**)* @main, null, null, null} ; [ DW_TAG_subprogram ] [line 17] [def] [scope 0] [main]
115!30 = !{!"0x15\00\000\000\000\000\000\000", i32 0, null, null, !31, null, null, null} ; [ DW_TAG_subroutine_type ] [line 0, size 0, align 0, offset 0] [from ]
116!31 = !{!12, !12, !32}
117!32 = !{!"0xf\00\000\0064\0064\000\000", null, null, !33} ; [ DW_TAG_pointer_type ]
118!33 = !{!"0xf\00\000\0064\0064\000\000", null, null, !34} ; [ DW_TAG_pointer_type ]
119!34 = !{!"0x24\00char\000\008\008\000\000\006", null, null} ; [ DW_TAG_base_type ]
120!35 = !{!36}
121!36 = !{!"0x24"}                      ; [ DW_TAG_base_type ]
122!37 = !{!"0x2e\00bar\00bar\00_ZN3barC1Ei\0013\000\001\000\006\00256\000\000", !82, null, !22, null, void (%struct.bar*, i32)* @_ZN3barC1Ei, null, !21, null} ; [ DW_TAG_subprogram ] [line 13] [def] [scope 0] [bar]
123!38 = !{!39}
124!39 = !{!"0x24"}                      ; [ DW_TAG_base_type ]
125!40 = !{!"0x2e\00bar\00bar\00_ZN3barC2Ei\0013\000\001\000\006\00256\000\000", !82, null, !22, null, void (%struct.bar*, i32)* @_ZN3barC2Ei, null, !21, null} ; [ DW_TAG_subprogram ] [line 13] [def] [scope 0] [bar]
126!41 = !{!42}
127!42 = !{!"0x24"}                      ; [ DW_TAG_base_type ]
128!43 = !{!"0x2e\00baz\00baz\00_ZN3bazC1Ei\006\000\001\000\006\00256\000\000", !82, null, !14, null, void (%struct.baz*, i32)* @_ZN3bazC1Ei, null, !13, null} ; [ DW_TAG_subprogram ] [line 6] [def] [scope 0] [baz]
129!44 = !{!45}
130!45 = !{!"0x24"}                      ; [ DW_TAG_base_type ]
131!46 = !{!"0x2e\00baz\00baz\00_ZN3bazC2Ei\006\000\001\000\006\00256\000\000", !82, null, !14, null, void (%struct.baz*, i32)* @_ZN3bazC2Ei, null, !13, null} ; [ DW_TAG_subprogram ] [line 6] [def] [scope 0] [baz]
132!49 = !{!"0x101\00argc\0016777232\000", !29, !6, !12} ; [ DW_TAG_arg_variable ]
133!50 = !MDLocation(line: 16, column: 14, scope: !29)
134!51 = !{!"0x101\00argv\0033554448\000", !29, !6, !32} ; [ DW_TAG_arg_variable ]
135!52 = !MDLocation(line: 16, column: 27, scope: !29)
136!53 = !{!"0x100\00myBar\0018\000", !54, !6, !5} ; [ DW_TAG_auto_variable ]
137!54 = !{!"0xb\0017\001\000", !82, !29} ; [ DW_TAG_lexical_block ]
138!55 = !MDLocation(line: 18, column: 9, scope: !54)
139!56 = !MDLocation(line: 18, column: 17, scope: !54)
140!57 = !MDLocation(line: 19, column: 5, scope: !54)
141!58 = !{!"0x101\00this\0016777229\0064", !37, !6, !24} ; [ DW_TAG_arg_variable ]
142!59 = !MDLocation(line: 13, column: 5, scope: !37)
143!60 = !{!"0x101\00x\0033554445\000", !37, !6, !12} ; [ DW_TAG_arg_variable ]
144!61 = !MDLocation(line: 13, column: 13, scope: !37)
145!62 = !MDLocation(line: 13, column: 34, scope: !37)
146!63 = !{!"0x101\00this\0016777229\0064", !40, !6, !24} ; [ DW_TAG_arg_variable ]
147!64 = !MDLocation(line: 13, column: 5, scope: !40)
148!65 = !{!"0x101\00x\0033554445\000", !40, !6, !12} ; [ DW_TAG_arg_variable ]
149!66 = !MDLocation(line: 13, column: 13, scope: !40)
150!67 = !MDLocation(line: 13, column: 33, scope: !40)
151!68 = !MDLocation(line: 13, column: 34, scope: !69)
152!69 = !{!"0xb\0013\0033\001", !82, !40} ; [ DW_TAG_lexical_block ]
153!70 = !{!"0x101\00this\0016777222\0064", !43, !6, !16} ; [ DW_TAG_arg_variable ]
154!71 = !MDLocation(line: 6, column: 5, scope: !43)
155!72 = !{!"0x101\00a\0033554438\000", !43, !6, !12} ; [ DW_TAG_arg_variable ]
156!73 = !MDLocation(line: 6, column: 13, scope: !43)
157!74 = !MDLocation(line: 6, column: 24, scope: !43)
158!75 = !{!"0x101\00this\0016777222\0064", !46, !6, !16} ; [ DW_TAG_arg_variable ]
159!76 = !MDLocation(line: 6, column: 5, scope: !46)
160!77 = !{!"0x101\00a\0033554438\000", !46, !6, !12} ; [ DW_TAG_arg_variable ]
161!78 = !MDLocation(line: 6, column: 13, scope: !46)
162!79 = !MDLocation(line: 6, column: 23, scope: !46)
163!80 = !MDLocation(line: 6, column: 24, scope: !81)
164!81 = !{!"0xb\006\0023\002", !82, !46} ; [ DW_TAG_lexical_block ]
165!82 = !{!"main.cpp", !"/Users/echristo/tmp/bad-struct-ref"}
166!83 = !{i32 1, !"Debug Info Version", i32 2}
167