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 90define void @_ZN1C3fooEv(%struct.C* %this) unnamed_addr #0 align 2 { 91entry: 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 100declare void @llvm.dbg.declare(metadata, metadata) #1 101 102; Function Attrs: nounwind ssp uwtable 103define void @_Z4testv() #0 { 104entry: 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 120attributes #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" } 121attributes #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