1 ; REQUIRES: object-emission
3 ; RUN: %llc_dwarf -filetype=obj -O0 < %s > %t
4 ; RUN: llvm-dwarfdump -v -debug-info %t | FileCheck %s
5 ; CHECK: [[TYPE:.*]]: DW_TAG_structure_type
6 ; Make sure we correctly handle containing type of a struct being a type identifier.
7 ; CHECK-NEXT: DW_AT_containing_type [DW_FORM_ref4] (cu + {{.*}} => {[[TYPE]]})
8 ; CHECK-NEXT: DW_AT_name [DW_FORM_strp] {{.*}}= "C")
10 ; Make sure we correctly handle context of a subprogram being a type identifier.
11 ; CHECK: [[SP:.*]]: DW_TAG_subprogram
12 ; CHECK: DW_AT_name [DW_FORM_strp] {{.*}}= "foo")
13 ; Make sure we correctly handle containing type of a subprogram being a type identifier.
14 ; CHECK: DW_AT_containing_type [DW_FORM_ref4] (cu + {{.*}} => {[[TYPE]]})
15 ; CHECK: DW_TAG_formal_parameter
19 ; CHECK: [[TYPE2:.*]]: DW_TAG_structure_type
20 ; CHECK: DW_AT_name [DW_FORM_strp] {{.*}}= "bar")
21 ; CHECK: DW_TAG_structure_type
22 ; CHECK: DW_AT_name [DW_FORM_strp] {{.*}}= "D")
23 ; CHECK: DW_TAG_member
24 ; CHECK: DW_AT_name [DW_FORM_strp] {{.*}}= "a")
25 ; Make sure we correctly handle context of a struct being a type identifier.
26 ; CHECK: DW_TAG_structure_type
27 ; CHECK-NEXT: DW_AT_name [DW_FORM_strp] {{.*}}= "Nested")
28 ; CHECK: DW_TAG_structure_type
29 ; CHECK-NEXT: DW_AT_name [DW_FORM_strp] {{.*}}= "Nested2")
30 ; CHECK-NEXT: DW_AT_declaration [DW_FORM_flag] (0x01)
31 ; CHECK: DW_TAG_structure_type
32 ; CHECK-NEXT: DW_AT_name [DW_FORM_strp] {{.*}}= "virt<bar>")
33 ; Make sure we correctly handle type of a template_type being a type identifier.
34 ; CHECK: DW_TAG_template_type_parameter
35 ; CHECK-NEXT: DW_AT_type [DW_FORM_ref4] (cu + {{.*}} => {[[TYPE2]]}
36 ; CHECK-NEXT: DW_AT_name [DW_FORM_strp] {{.*}}= "T")
37 ; Make sure we correctly handle derived-from of a typedef being a type identifier.
38 ; CHECK: DW_TAG_typedef
39 ; CHECK-NEXT: DW_AT_type [DW_FORM_ref4] (cu + {{.*}} => {[[TYPE2]]}
40 ; CHECK: DW_AT_name [DW_FORM_strp] {{.*}}= "baz2")
41 ; Make sure we correctly handle derived-from of a pointer type being a type identifier.
42 ; CHECK: DW_TAG_pointer_type
43 ; CHECK: DW_AT_type [DW_FORM_ref4] (cu + {{.*}} => {[[TYPE]]}
44 ; CHECK: DW_TAG_typedef
45 ; CHECK-NEXT: DW_AT_type [DW_FORM_ref4] (cu + {{.*}} => {[[TYPE2]]}
46 ; CHECK: DW_AT_name [DW_FORM_strp] {{.*}}= "baz")
47 ; Make sure we correctly handle derived-from of an array type being a type identifier.
48 ; CHECK: DW_TAG_array_type
49 ; CHECK-NEXT: DW_AT_type [DW_FORM_ref4] (cu + {{.*}} => {[[TYPE2]]}
50 ; IR generated from clang -g with the following source:
64 ; template <typename T>
78 %struct.C = type { i32 (...)** }
79 %struct.bar = type { i8 }
80 %"struct.D::Nested" = type { i8 }
81 %"struct.D::Nested2" = type { i8 }
82 %"struct.D::virt" = type { %struct.bar* }
84 @_ZTV1C = unnamed_addr constant [3 x i8*] [i8* null, i8* bitcast ({ i8*, i8* }* @_ZTI1C to i8*), i8* bitcast (void (%struct.C*)* @_ZN1C3fooEv to i8*)]
85 @_ZTVN10__cxxabiv117__class_type_infoE = external global i8*
86 @_ZTS1C = constant [3 x i8] c"1C\00"
87 @_ZTI1C = unnamed_addr constant { i8*, i8* } { i8* bitcast (i8** getelementptr inbounds (i8*, i8** @_ZTVN10__cxxabiv117__class_type_infoE, i64 2) to i8*), i8* getelementptr inbounds ([3 x i8], [3 x i8]* @_ZTS1C, i32 0, i32 0) }
89 ; Function Attrs: nounwind ssp uwtable
90 define void @_ZN1C3fooEv(%struct.C* %this) unnamed_addr #0 align 2 !dbg !31 {
92 %this.addr = alloca %struct.C*, align 8
93 store %struct.C* %this, %struct.C** %this.addr, align 8
94 call void @llvm.dbg.declare(metadata %struct.C** %this.addr, metadata !36, metadata !DIExpression()), !dbg !38
95 %this1 = load %struct.C*, %struct.C** %this.addr
99 ; Function Attrs: nounwind readnone
100 declare void @llvm.dbg.declare(metadata, metadata, metadata) #1
102 ; Function Attrs: nounwind ssp uwtable
103 define void @_Z4testv() #0 !dbg !32 {
105 %B = alloca %struct.bar, align 1
106 %A = alloca [3 x %struct.bar], align 1
107 %B2 = alloca %struct.bar, align 1
108 %e = alloca %"struct.D::Nested", align 1
109 %p = alloca %"struct.D::Nested2"*, align 8
110 %t = alloca %"struct.D::virt", align 8
111 call void @llvm.dbg.declare(metadata %struct.bar* %B, metadata !40, metadata !DIExpression()), !dbg !42
112 call void @llvm.dbg.declare(metadata [3 x %struct.bar]* %A, metadata !43, metadata !DIExpression()), !dbg !47
113 call void @llvm.dbg.declare(metadata %struct.bar* %B2, metadata !48, metadata !DIExpression()), !dbg !50
114 call void @llvm.dbg.declare(metadata %"struct.D::Nested"* %e, metadata !51, metadata !DIExpression()), !dbg !52
115 call void @llvm.dbg.declare(metadata %"struct.D::Nested2"** %p, metadata !53, metadata !DIExpression()), !dbg !55
116 call void @llvm.dbg.declare(metadata %"struct.D::virt"* %t, metadata !56, metadata !DIExpression()), !dbg !57
120 attributes #0 = { nounwind ssp uwtable "less-precise-fpmad"="false" "no-frame-pointer-elim"="true" "no-frame-pointer-elim-non-leaf" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "stack-protector-buffer-size"="8" "unsafe-fp-math"="false" "use-soft-float"="false" }
121 attributes #1 = { nounwind readnone }
124 !llvm.module.flags = !{!35, !59}
126 !0 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus, producer: "clang version 3.4", isOptimized: false, emissionKind: FullDebug, file: !1, enums: !2, retainedTypes: !3, globals: !2, imports: !2)
127 !1 = !DIFile(filename: "tmp.cpp", directory: ".")
129 !3 = !{!4, !18, !19, !22, !23, !24}
130 !4 = !DICompositeType(tag: DW_TAG_structure_type, name: "C", line: 1, file: !1, elements: !5, vtableHolder: !4, identifier: "_ZTS1C")
132 !6 = !DIDerivedType(tag: DW_TAG_member, name: "_vptr$C", flags: DIFlagArtificial, file: !1, scope: !7, baseType: !8)
133 !7 = !DIFile(filename: "tmp.cpp", directory: ".")
134 !8 = !DIDerivedType(tag: DW_TAG_pointer_type, size: 64, baseType: !9)
135 !9 = !DIDerivedType(tag: DW_TAG_pointer_type, name: "__vtbl_ptr_type", size: 64, baseType: !10)
136 !10 = !DISubroutineType(types: !11)
138 !12 = !DIBasicType(tag: DW_TAG_base_type, name: "int", size: 32, align: 32, encoding: DW_ATE_signed)
139 !13 = !DISubprogram(name: "foo", linkageName: "_ZN1C3fooEv", line: 2, isLocal: false, isDefinition: false, virtuality: DW_VIRTUALITY_virtual, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: false, scopeLine: 2, file: !1, scope: !4, type: !14, containingType: !4)
140 !14 = !DISubroutineType(types: !15)
142 !16 = !DIDerivedType(tag: DW_TAG_pointer_type, flags: DIFlagArtificial | DIFlagObjectPointer, baseType: !4)
143 !18 = !DICompositeType(tag: DW_TAG_structure_type, name: "bar", line: 7, size: 8, align: 8, file: !1, elements: !2, identifier: "_ZTS3bar")
144 !19 = !DICompositeType(tag: DW_TAG_structure_type, name: "D", line: 9, size: 8, align: 8, file: !1, elements: !20, identifier: "_ZTS1D")
146 !21 = !DIDerivedType(tag: DW_TAG_member, name: "a", line: 11, flags: DIFlagStaticMember, file: !1, scope: !19, baseType: !12)
147 !22 = !DICompositeType(tag: DW_TAG_structure_type, name: "Nested", line: 12, size: 8, align: 8, file: !1, scope: !19, elements: !2, identifier: "_ZTSN1D6NestedE")
148 !23 = !DICompositeType(tag: DW_TAG_structure_type, name: "Nested2", line: 13, flags: DIFlagFwdDecl, file: !1, scope: !19, identifier: "_ZTSN1D7Nested2E")
149 !24 = !DICompositeType(tag: DW_TAG_structure_type, name: "virt<bar>", line: 15, file: !1, scope: !19, elements: !25, templateParams: !28, identifier: "_ZTSN1D4virtI3barEE")
151 !26 = !DIDerivedType(tag: DW_TAG_member, name: "values", line: 16, size: 64, align: 64, file: !1, scope: !24, baseType: !27)
152 !27 = !DIDerivedType(tag: DW_TAG_pointer_type, size: 64, align: 64, baseType: !18)
154 !29 = !DITemplateTypeParameter(name: "T", type: !18)
155 !31 = distinct !DISubprogram(name: "foo", linkageName: "_ZN1C3fooEv", line: 4, isLocal: false, isDefinition: true, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: false, unit: !0, scopeLine: 4, file: !1, scope: null, type: !14, declaration: !13, retainedNodes: !2)
156 !32 = distinct !DISubprogram(name: "test", linkageName: "_Z4testv", line: 20, isLocal: false, isDefinition: true, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: false, unit: !0, scopeLine: 20, file: !1, scope: !7, type: !33, retainedNodes: !2)
157 !33 = !DISubroutineType(types: !34)
159 !35 = !{i32 2, !"Dwarf Version", i32 2}
160 !36 = !DILocalVariable(name: "this", arg: 1, flags: DIFlagArtificial | DIFlagObjectPointer, scope: !31, type: !37)
161 !37 = !DIDerivedType(tag: DW_TAG_pointer_type, size: 64, align: 64, baseType: !4)
162 !38 = !DILocation(line: 0, scope: !31)
163 !39 = !DILocation(line: 5, scope: !31)
164 !40 = !DILocalVariable(name: "B", line: 21, scope: !32, file: !7, type: !41)
165 !41 = !DIDerivedType(tag: DW_TAG_typedef, name: "baz", line: 8, file: !1, baseType: !18)
166 !42 = !DILocation(line: 21, scope: !32)
167 !43 = !DILocalVariable(name: "A", line: 22, scope: !32, file: !7, type: !44)
168 !44 = !DICompositeType(tag: DW_TAG_array_type, size: 24, align: 8, baseType: !18, elements: !45)
170 !46 = !DISubrange(count: 3)
171 !47 = !DILocation(line: 22, scope: !32)
172 !48 = !DILocalVariable(name: "B2", line: 23, scope: !32, file: !7, type: !49)
173 !49 = !DIDerivedType(tag: DW_TAG_typedef, name: "baz2", line: 10, file: !1, scope: !19, baseType: !18)
174 !50 = !DILocation(line: 23, scope: !32)
175 !51 = !DILocalVariable(name: "e", line: 24, scope: !32, file: !7, type: !22)
176 !52 = !DILocation(line: 24, scope: !32)
177 !53 = !DILocalVariable(name: "p", line: 25, scope: !32, file: !7, type: !54)
178 !54 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !23)
179 !55 = !DILocation(line: 25, scope: !32)
180 !56 = !DILocalVariable(name: "t", line: 26, scope: !32, file: !7, type: !24)
181 !57 = !DILocation(line: 26, scope: !32)
182 !58 = !DILocation(line: 27, scope: !32)
183 !59 = !{i32 1, !"Debug Info Version", i32 3}