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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 !dbg !29 {
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 !DIExpression()), !dbg !50
19  store i8** %argv, i8*** %argv.addr, align 8
20  call void @llvm.dbg.declare(metadata i8*** %argv.addr, metadata !51, metadata !DIExpression()), !dbg !52
21  call void @llvm.dbg.declare(metadata %struct.bar* %myBar, metadata !53, metadata !DIExpression()), !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 !dbg !37 {
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 !DIExpression()), !dbg !59
34  store i32 %x, i32* %x.addr, align 4
35  call void @llvm.dbg.declare(metadata i32* %x.addr, metadata !60, metadata !DIExpression()), !dbg !61
36  %this1 = load %struct.bar*, %struct.bar** %this.addr
37  %0 = load i32, 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 !dbg !40 {
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 !DIExpression()), !dbg !64
48  store i32 %x, i32* %x.addr, align 4
49  call void @llvm.dbg.declare(metadata i32* %x.addr, metadata !65, metadata !DIExpression()), !dbg !66
50  %this1 = load %struct.bar*, %struct.bar** %this.addr
51  %b = getelementptr inbounds %struct.bar, %struct.bar* %this1, i32 0, i32 0, !dbg !67
52  %0 = load i32, i32* %x.addr, align 4, !dbg !67
53  call void @_ZN3bazC1Ei(%struct.baz* %b, i32 %0), !dbg !67
54  %1 = getelementptr inbounds %struct.bar, %struct.bar* %this1, i32 0, i32 1, !dbg !67
55  %b2 = getelementptr inbounds %struct.bar, %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 !dbg !43 {
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 !DIExpression()), !dbg !71
66  store i32 %a, i32* %a.addr, align 4
67  call void @llvm.dbg.declare(metadata i32* %a.addr, metadata !72, metadata !DIExpression()), !dbg !73
68  %this1 = load %struct.baz*, %struct.baz** %this.addr
69  %0 = load i32, 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 !dbg !46 {
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 !DIExpression()), !dbg !76
80  store i32 %a, i32* %a.addr, align 4
81  call void @llvm.dbg.declare(metadata i32* %a.addr, metadata !77, metadata !DIExpression()), !dbg !78
82  %this1 = load %struct.baz*, %struct.baz** %this.addr
83  %h = getelementptr inbounds %struct.baz, %struct.baz* %this1, i32 0, i32 0, !dbg !79
84  %0 = load i32, 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 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus, producer: "clang version 3.1 (trunk 146596)", isOptimized: false, emissionKind: FullDebug, file: !82, enums: !1, retainedTypes: !3, globals: !1, imports:  !1)
93!1 = !{}
94!3 = !{!5, !9}
95!5 = !DICompositeType(tag: DW_TAG_class_type, name: "bar", line: 9, size: 128, align: 64, file: !82, elements: !7)
96!6 = !DIFile(filename: "main.cpp", directory: "/Users/echristo/tmp/bad-struct-ref")
97!7 = !{!8, !19, !21}
98!8 = !DIDerivedType(tag: DW_TAG_member, name: "b", line: 11, size: 32, align: 32, file: !82, scope: !5, baseType: !9)
99!9 = !DICompositeType(tag: DW_TAG_class_type, name: "baz", line: 3, size: 32, align: 32, file: !82, elements: !10)
100!10 = !{!11, !13}
101!11 = !DIDerivedType(tag: DW_TAG_member, name: "h", line: 5, size: 32, align: 32, file: !82, scope: !9, baseType: !12)
102!12 = !DIBasicType(tag: DW_TAG_base_type, name: "int", size: 32, align: 32, encoding: DW_ATE_signed)
103!13 = !DISubprogram(name: "baz", line: 6, isLocal: false, isDefinition: false, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: false, file: !82, scope: !9, type: !14)
104!14 = !DISubroutineType(types: !15)
105!15 = !{null, !16, !12}
106!16 = !DIDerivedType(tag: DW_TAG_pointer_type, size: 64, align: 64, flags: DIFlagArtificial, baseType: !9)
107!19 = !DIDerivedType(tag: DW_TAG_member, name: "b_ref", line: 12, size: 64, align: 64, offset: 64, file: !82, scope: !5, baseType: !20)
108!20 = !DIDerivedType(tag: DW_TAG_reference_type, baseType: !9)
109!21 = !DISubprogram(name: "bar", line: 13, isLocal: false, isDefinition: false, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: false, file: !82, scope: !5, type: !22)
110!22 = !DISubroutineType(types: !23)
111!23 = !{null, !24, !12}
112!24 = !DIDerivedType(tag: DW_TAG_pointer_type, size: 64, align: 64, flags: DIFlagArtificial, baseType: !5)
113!29 = distinct !DISubprogram(name: "main", line: 17, isLocal: false, isDefinition: true, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: false, unit: !0, file: !82, scope: !6, type: !30)
114!30 = !DISubroutineType(types: !31)
115!31 = !{!12, !12, !32}
116!32 = !DIDerivedType(tag: DW_TAG_pointer_type, size: 64, align: 64, baseType: !33)
117!33 = !DIDerivedType(tag: DW_TAG_pointer_type, size: 64, align: 64, baseType: !34)
118!34 = !DIBasicType(tag: DW_TAG_base_type, name: "char", size: 8, align: 8, encoding: DW_ATE_signed_char)
119!35 = !{!36}
120!36 = !{} ; previously: invalid DW_TAG_base_type
121!37 = distinct !DISubprogram(name: "bar", linkageName: "_ZN3barC1Ei", line: 13, isLocal: false, isDefinition: true, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: false, unit: !0, file: !82, scope: null, type: !22, declaration: !21)
122!38 = !{!39}
123!39 = !{} ; previously: invalid DW_TAG_base_type
124!40 = distinct !DISubprogram(name: "bar", linkageName: "_ZN3barC2Ei", line: 13, isLocal: false, isDefinition: true, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: false, unit: !0, file: !82, scope: null, type: !22, declaration: !21)
125!41 = !{!42}
126!42 = !{} ; previously: invalid DW_TAG_base_type
127!43 = distinct !DISubprogram(name: "baz", linkageName: "_ZN3bazC1Ei", line: 6, isLocal: false, isDefinition: true, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: false, unit: !0, file: !82, scope: null, type: !14, declaration: !13)
128!44 = !{!45}
129!45 = !{} ; previously: invalid DW_TAG_base_type
130!46 = distinct !DISubprogram(name: "baz", linkageName: "_ZN3bazC2Ei", line: 6, isLocal: false, isDefinition: true, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: false, unit: !0, file: !82, scope: null, type: !14, declaration: !13)
131!49 = !DILocalVariable(name: "argc", line: 16, arg: 1, scope: !29, file: !6, type: !12)
132!50 = !DILocation(line: 16, column: 14, scope: !29)
133!51 = !DILocalVariable(name: "argv", line: 16, arg: 2, scope: !29, file: !6, type: !32)
134!52 = !DILocation(line: 16, column: 27, scope: !29)
135!53 = !DILocalVariable(name: "myBar", line: 18, scope: !54, file: !6, type: !5)
136!54 = distinct !DILexicalBlock(line: 17, column: 1, file: !82, scope: !29)
137!55 = !DILocation(line: 18, column: 9, scope: !54)
138!56 = !DILocation(line: 18, column: 17, scope: !54)
139!57 = !DILocation(line: 19, column: 5, scope: !54)
140!58 = !DILocalVariable(name: "this", line: 13, arg: 1, flags: DIFlagArtificial, scope: !37, file: !6, type: !24)
141!59 = !DILocation(line: 13, column: 5, scope: !37)
142!60 = !DILocalVariable(name: "x", line: 13, arg: 2, scope: !37, file: !6, type: !12)
143!61 = !DILocation(line: 13, column: 13, scope: !37)
144!62 = !DILocation(line: 13, column: 34, scope: !37)
145!63 = !DILocalVariable(name: "this", line: 13, arg: 1, flags: DIFlagArtificial, scope: !40, file: !6, type: !24)
146!64 = !DILocation(line: 13, column: 5, scope: !40)
147!65 = !DILocalVariable(name: "x", line: 13, arg: 2, scope: !40, file: !6, type: !12)
148!66 = !DILocation(line: 13, column: 13, scope: !40)
149!67 = !DILocation(line: 13, column: 33, scope: !40)
150!68 = !DILocation(line: 13, column: 34, scope: !69)
151!69 = distinct !DILexicalBlock(line: 13, column: 33, file: !82, scope: !40)
152!70 = !DILocalVariable(name: "this", line: 6, arg: 1, flags: DIFlagArtificial, scope: !43, file: !6, type: !16)
153!71 = !DILocation(line: 6, column: 5, scope: !43)
154!72 = !DILocalVariable(name: "a", line: 6, arg: 2, scope: !43, file: !6, type: !12)
155!73 = !DILocation(line: 6, column: 13, scope: !43)
156!74 = !DILocation(line: 6, column: 24, scope: !43)
157!75 = !DILocalVariable(name: "this", line: 6, arg: 1, flags: DIFlagArtificial, scope: !46, file: !6, type: !16)
158!76 = !DILocation(line: 6, column: 5, scope: !46)
159!77 = !DILocalVariable(name: "a", line: 6, arg: 2, scope: !46, file: !6, type: !12)
160!78 = !DILocation(line: 6, column: 13, scope: !46)
161!79 = !DILocation(line: 6, column: 23, scope: !46)
162!80 = !DILocation(line: 6, column: 24, scope: !81)
163!81 = distinct !DILexicalBlock(line: 6, column: 23, file: !82, scope: !46)
164!82 = !DIFile(filename: "main.cpp", directory: "/Users/echristo/tmp/bad-struct-ref")
165!83 = !{i32 1, !"Debug Info Version", i32 3}
166