1 ; REQUIRES: object-emission 2 3 ; RUN: %llc_dwarf -filetype=obj -O0 < %s > %t 4 ; RUN: llvm-dwarfdump -debug-dump=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") 9 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 16 ; CHECK: NULL 17 ; CHECK: NULL 18 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: 51 ; struct C { 52 ; virtual void foo(); 53 ; }; 54 ; void C::foo() { 55 ; } 56 ; 57 ; struct bar { }; 58 ; typedef bar baz; 59 ; struct D { 60 ; typedef bar baz2; 61 ; static int a; 62 ; struct Nested { }; 63 ; struct Nested2 { }; 64 ; template <typename T> 65 ; struct virt { 66 ; T* values; 67 ; }; 68 ; }; 69 ; void test() { 70 ; baz B; 71 ; bar A[3]; 72 ; D::baz2 B2; 73 ; D::Nested e; 74 ; D::Nested2 *p; 75 ; D::virt<bar> t; 76 ; } 77 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* } 83 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) } 88 89 ; Function Attrs: nounwind ssp uwtable 90 define void @_ZN1C3fooEv(%struct.C* %this) unnamed_addr #0 align 2 !dbg !31 { 91 entry: 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 96 ret void, !dbg !39 97 } 98 99 ; Function Attrs: nounwind readnone 100 declare void @llvm.dbg.declare(metadata, metadata, metadata) #1 101 102 ; Function Attrs: nounwind ssp uwtable 103 define void @_Z4testv() #0 !dbg !32 { 104 entry: 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 !57 117 ret void, !dbg !58 118 } 119 120 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 } 122 123 !llvm.dbg.cu = !{!0} 124 !llvm.module.flags = !{!35, !59} 125 126 !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: ".") 128 !2 = !{} 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") 131 !5 = !{!6, !13} 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) 137 !11 = !{!12} 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) 141 !15 = !{null, !16} 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") 145 !20 = !{!21} 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") 150 !25 = !{!26} 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) 153 !28 = !{!29} 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, variables: !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, variables: !2) 157 !33 = !DISubroutineType(types: !34) 158 !34 = !{null} 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) 169 !45 = !{!46} 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} 184
