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** @_ZTVN10__cxxabiv117__class_type_infoE, i64 2) to i8*), i8* getelementptr inbounds ([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 { 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), !dbg !38 95 %this1 = load %struct.C** %this.addr 96 ret void, !dbg !39 97 } 98 99 ; Function Attrs: nounwind readnone 100 declare void @llvm.dbg.declare(metadata, metadata) #1 101 102 ; Function Attrs: nounwind ssp uwtable 103 define void @_Z4testv() #0 { 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), !dbg !42 112 call void @llvm.dbg.declare(metadata !{[3 x %struct.bar]* %A}, metadata !43), !dbg !47 113 call void @llvm.dbg.declare(metadata !{%struct.bar* %B2}, metadata !48), !dbg !50 114 call void @llvm.dbg.declare(metadata !{%"struct.D::Nested"* %e}, metadata !51), !dbg !52 115 call void @llvm.dbg.declare(metadata !{%"struct.D::Nested2"** %p}, metadata !53), !dbg !55 116 call void @llvm.dbg.declare(metadata !{%"struct.D::virt"* %t}, metadata !56), !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 = metadata !{i32 786449, metadata !1, i32 4, metadata !"clang version 3.4", i1 false, metadata !"", i32 0, metadata !2, metadata !3, metadata !30, metadata !2, metadata !2, metadata !""} ; [ DW_TAG_compile_unit ] [tmp.cpp] [DW_LANG_C_plus_plus] 127 !1 = metadata !{metadata !"tmp.cpp", metadata !"."} 128 !2 = metadata !{} 129 !3 = metadata !{metadata !4, metadata !18, metadata !19, metadata !22, metadata !23, metadata !24} 130 !4 = metadata !{i32 786451, metadata !1, null, metadata !"C", i32 1, i64 64, i64 64, i32 0, i32 0, null, metadata !5, i32 0, metadata !"_ZTS1C", null, metadata !"_ZTS1C"} ; [ DW_TAG_structure_type ] [C] [line 1, size 64, align 64, offset 0] [def] [from ] 131 !5 = metadata !{metadata !6, metadata !13} 132 !6 = metadata !{i32 786445, metadata !1, metadata !7, metadata !"_vptr$C", i32 0, i64 64, i64 0, i64 0, i32 64, metadata !8} ; [ DW_TAG_member ] [_vptr$C] [line 0, size 64, align 0, offset 0] [artificial] [from ] 133 !7 = metadata !{i32 786473, metadata !1} ; [ DW_TAG_file_type ] [tmp.cpp] 134 !8 = metadata !{i32 786447, null, null, metadata !"", i32 0, i64 64, i64 0, i64 0, i32 0, metadata !9} ; [ DW_TAG_pointer_type ] [line 0, size 64, align 0, offset 0] [from __vtbl_ptr_type] 135 !9 = metadata !{i32 786447, null, null, metadata !"__vtbl_ptr_type", i32 0, i64 64, i64 0, i64 0, i32 0, metadata !10} ; [ DW_TAG_pointer_type ] [__vtbl_ptr_type] [line 0, size 64, align 0, offset 0] [from ] 136 !10 = metadata !{i32 786453, i32 0, null, metadata !"", i32 0, i64 0, i64 0, i64 0, i32 0, null, metadata !11, i32 0, null, null, null} ; [ DW_TAG_subroutine_type ] [line 0, size 0, align 0, offset 0] [from ] 137 !11 = metadata !{metadata !12} 138 !12 = 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] 139 !13 = metadata !{i32 786478, metadata !1, metadata !"_ZTS1C", metadata !"foo", metadata !"foo", metadata !"_ZN1C3fooEv", i32 2, metadata !14, i1 false, i1 false, i32 1, i32 0, metadata !"_ZTS1C", i32 256, i1 false, null, null, i32 0, metadata !17, i32 2} ; [ DW_TAG_subprogram ] [line 2] [foo] 140 !14 = metadata !{i32 786453, i32 0, null, metadata !"", i32 0, i64 0, i64 0, i64 0, i32 0, null, metadata !15, i32 0, null, null, null} ; [ DW_TAG_subroutine_type ] [line 0, size 0, align 0, offset 0] [from ] 141 !15 = metadata !{null, metadata !16} 142 !16 = metadata !{i32 786447, null, null, metadata !"", i32 0, i64 64, i64 64, i64 0, i32 1088, metadata !"_ZTS1C"} ; [ DW_TAG_pointer_type ] [line 0, size 64, align 64, offset 0] [artificial] [from _ZTS1C] 143 !17 = metadata !{i32 786468} 144 !18 = metadata !{i32 786451, metadata !1, null, metadata !"bar", i32 7, i64 8, i64 8, i32 0, i32 0, null, metadata !2, i32 0, null, null, metadata !"_ZTS3bar"} ; [ DW_TAG_structure_type ] [bar] [line 7, size 8, align 8, offset 0] [def] [from ] 145 !19 = metadata !{i32 786451, metadata !1, null, metadata !"D", i32 9, i64 8, i64 8, i32 0, i32 0, null, metadata !20, i32 0, null, null, metadata !"_ZTS1D"} ; [ DW_TAG_structure_type ] [D] [line 9, size 8, align 8, offset 0] [def] [from ] 146 !20 = metadata !{metadata !21} 147 !21 = metadata !{i32 786445, metadata !1, metadata !"_ZTS1D", metadata !"a", i32 11, i64 0, i64 0, i64 0, i32 4096, metadata !12, null} ; [ DW_TAG_member ] [a] [line 11, size 0, align 0, offset 0] [static] [from int] 148 !22 = metadata !{i32 786451, metadata !1, metadata !"_ZTS1D", metadata !"Nested", i32 12, i64 8, i64 8, i32 0, i32 0, null, metadata !2, i32 0, null, null, metadata !"_ZTSN1D6NestedE"} ; [ DW_TAG_structure_type ] [Nested] [line 12, size 8, align 8, offset 0] [def] [from ] 149 !23 = metadata !{i32 786451, metadata !1, metadata !"_ZTS1D", metadata !"Nested2", i32 13, i64 0, i64 0, i32 0, i32 4, null, null, i32 0, null, null, metadata !"_ZTSN1D7Nested2E"} ; [ DW_TAG_structure_type ] [Nested2] [line 13, size 0, align 0, offset 0] [decl] [from ] 150 !24 = metadata !{i32 786451, metadata !1, metadata !"_ZTS1D", metadata !"virt<bar>", i32 15, i64 64, i64 64, i32 0, i32 0, null, metadata !25, i32 0, null, metadata !28, metadata !"_ZTSN1D4virtI3barEE"} ; [ DW_TAG_structure_type ] [virt<bar>] [line 15, size 64, align 64, offset 0] [def] [from ] 151 !25 = metadata !{metadata !26} 152 !26 = metadata !{i32 786445, metadata !1, metadata !"_ZTSN1D4virtI3barEE", metadata !"values", i32 16, i64 64, i64 64, i64 0, i32 0, metadata !27} ; [ DW_TAG_member ] [values] [line 16, size 64, align 64, offset 0] [from ] 153 !27 = metadata !{i32 786447, null, null, metadata !"", i32 0, i64 64, i64 64, i64 0, i32 0, metadata !"_ZTS3bar"} ; [ DW_TAG_pointer_type ] [line 0, size 64, align 64, offset 0] [from _ZTS3bar] 154 !28 = metadata !{metadata !29} 155 !29 = metadata !{i32 786479, null, metadata !"T", metadata !"_ZTS3bar", null, i32 0, i32 0} ; [ DW_TAG_template_type_parameter ] 156 !30 = metadata !{metadata !31, metadata !32} 157 !31 = metadata !{i32 786478, metadata !1, null, metadata !"foo", metadata !"foo", metadata !"_ZN1C3fooEv", i32 4, metadata !14, i1 false, i1 true, i32 0, i32 0, null, i32 256, i1 false, void (%struct.C*)* @_ZN1C3fooEv, null, metadata !13, metadata !2, i32 4} ; [ DW_TAG_subprogram ] [line 4] [def] [foo] 158 !32 = metadata !{i32 786478, metadata !1, metadata !7, metadata !"test", metadata !"test", metadata !"_Z4testv", i32 20, metadata !33, i1 false, i1 true, i32 0, i32 0, null, i32 256, i1 false, void ()* @_Z4testv, null, null, metadata !2, i32 20} ; [ DW_TAG_subprogram ] [line 20] [def] [test] 159 !33 = metadata !{i32 786453, i32 0, null, metadata !"", i32 0, i64 0, i64 0, i64 0, i32 0, null, metadata !34, i32 0, null, null, null} ; [ DW_TAG_subroutine_type ] [line 0, size 0, align 0, offset 0] [from ] 160 !34 = metadata !{null} 161 !35 = metadata !{i32 2, metadata !"Dwarf Version", i32 2} 162 !36 = metadata !{i32 786689, metadata !31, metadata !"this", null, i32 16777216, metadata !37, i32 1088, i32 0} ; [ DW_TAG_arg_variable ] [this] [line 0] 163 !37 = metadata !{i32 786447, null, null, metadata !"", i32 0, i64 64, i64 64, i64 0, i32 0, metadata !"_ZTS1C"} ; [ DW_TAG_pointer_type ] [line 0, size 64, align 64, offset 0] [from _ZTS1C] 164 !38 = metadata !{i32 0, i32 0, metadata !31, null} 165 !39 = metadata !{i32 5, i32 0, metadata !31, null} 166 !40 = metadata !{i32 786688, metadata !32, metadata !"B", metadata !7, i32 21, metadata !41, i32 0, i32 0} ; [ DW_TAG_auto_variable ] [B] [line 21] 167 !41 = metadata !{i32 786454, metadata !1, null, metadata !"baz", i32 8, i64 0, i64 0, i64 0, i32 0, metadata !"_ZTS3bar"} ; [ DW_TAG_typedef ] [baz] [line 8, size 0, align 0, offset 0] [from _ZTS3bar] 168 !42 = metadata !{i32 21, i32 0, metadata !32, null} 169 !43 = metadata !{i32 786688, metadata !32, metadata !"A", metadata !7, i32 22, metadata !44, i32 0, i32 0} ; [ DW_TAG_auto_variable ] [A] [line 22] 170 !44 = metadata !{i32 786433, null, null, metadata !"", i32 0, i64 24, i64 8, i32 0, i32 0, metadata !"_ZTS3bar", metadata !45, i32 0, null, null, null} ; [ DW_TAG_array_type ] [line 0, size 24, align 8, offset 0] [from _ZTS3bar] 171 !45 = metadata !{metadata !46} 172 !46 = metadata !{i32 786465, i64 0, i64 3} ; [ DW_TAG_subrange_type ] [0, 2] 173 !47 = metadata !{i32 22, i32 0, metadata !32, null} 174 !48 = metadata !{i32 786688, metadata !32, metadata !"B2", metadata !7, i32 23, metadata !49, i32 0, i32 0} ; [ DW_TAG_auto_variable ] [B2] [line 23] 175 !49 = metadata !{i32 786454, metadata !1, metadata !"_ZTS1D", metadata !"baz2", i32 10, i64 0, i64 0, i64 0, i32 0, metadata !"_ZTS3bar"} ; [ DW_TAG_typedef ] [baz2] [line 10, size 0, align 0, offset 0] [from _ZTS3bar] 176 !50 = metadata !{i32 23, i32 0, metadata !32, null} 177 !51 = metadata !{i32 786688, metadata !32, metadata !"e", metadata !7, i32 24, metadata !22, i32 0, i32 0} ; [ DW_TAG_auto_variable ] [e] [line 24] 178 !52 = metadata !{i32 24, i32 0, metadata !32, null} 179 !53 = metadata !{i32 786688, metadata !32, metadata !"p", metadata !7, i32 25, metadata !54, i32 0, i32 0} ; [ DW_TAG_auto_variable ] [p] [line 25] 180 !54 = metadata !{i32 786447, null, null, metadata !"", i32 0, i64 64, i64 64, i64 0, i32 0, metadata !"_ZTSN1D7Nested2E"} ; [ DW_TAG_pointer_type ] [line 0, size 64, align 64, offset 0] [from _ZTSN1D7Nested2E] 181 !55 = metadata !{i32 25, i32 0, metadata !32, null} 182 !56 = metadata !{i32 786688, metadata !32, metadata !"t", metadata !7, i32 26, metadata !24, i32 0, i32 0} ; [ DW_TAG_auto_variable ] [t] [line 26] 183 !57 = metadata !{i32 26, i32 0, metadata !32, null} 184 !58 = metadata !{i32 27, i32 0, metadata !32, null} 185 !59 = metadata !{i32 1, metadata !"Debug Info Version", i32 1} 186
