1 ; REQUIRES: object-emission 2 3 ; RUN: llc %s -o %t -filetype=obj -O0 -generate-odr-hash -mtriple=x86_64-unknown-linux-gnu 4 ; RUN: llvm-dwarfdump -debug-dump=info %t | FileCheck %s 5 ; 6 ; Generated from: 7 ; struct bar {}; 8 9 ; struct bar b; 10 11 ; void foo(void) { 12 ; struct baz {}; 13 ; baz b; 14 ; } 15 16 ; namespace echidna { 17 ; namespace capybara { 18 ; namespace mongoose { 19 ; class fluffy { 20 ; int a; 21 ; int b; 22 ; }; 23 24 ; fluffy animal; 25 ; } 26 ; } 27 ; } 28 29 ; namespace { 30 ; struct walrus { 31 ; walrus() {} 32 ; }; 33 ; } 34 35 ; walrus w; 36 37 ; struct wombat { 38 ; struct { 39 ; int a; 40 ; int b; 41 ; } a_b; 42 ; }; 43 44 ; wombat wom; 45 46 ; Check that we generate a hash for bar and the value. 47 ; CHECK: DW_TAG_structure_type 48 ; CHECK-NEXT: debug_str{{.*}}"bar" 49 ; CHECK: DW_AT_GNU_odr_signature [DW_FORM_data8] (0x200520c0d5b90eff) 50 ; CHECK: DW_TAG_namespace 51 ; CHECK-NEXT: debug_str{{.*}}"echidna" 52 ; CHECK: DW_TAG_namespace 53 ; CHECK-NEXT: debug_str{{.*}}"capybara" 54 ; CHECK: DW_TAG_namespace 55 ; CHECK-NEXT: debug_str{{.*}}"mongoose" 56 ; CHECK: DW_TAG_class_type 57 ; CHECK-NEXT: debug_str{{.*}}"fluffy" 58 ; CHECK: DW_AT_GNU_odr_signature [DW_FORM_data8] (0x9a0124d5a0c21c52) 59 60 ; We emit no hash for walrus since the type is contained in an anonymous 61 ; namespace and won't violate any ODR-ness. 62 ; CHECK: DW_TAG_structure_type 63 ; CHECK-NEXT: debug_str{{.*}}"walrus" 64 ; CHECK-NEXT: DW_AT_byte_size 65 ; CHECK-NEXT: DW_AT_decl_file 66 ; CHECK-NEXT: DW_AT_decl_line 67 ; CHECK-NOT: DW_AT_GNU_odr_signature 68 ; CHECK: DW_TAG_subprogram 69 70 ; Check that we generate a hash for wombat and the value, but not for the 71 ; anonymous type contained within. 72 ; CHECK: DW_TAG_structure_type 73 ; CHECK-NEXT: debug_str{{.*}}wombat 74 ; CHECK: DW_AT_GNU_odr_signature [DW_FORM_data8] (0x685bcc220141e9d7) 75 ; CHECK: DW_TAG_structure_type 76 ; CHECK-NEXT: DW_AT_byte_size 77 ; CHECK-NEXT: DW_AT_decl_file 78 ; CHECK-NEXT: DW_AT_decl_line 79 ; CHECK: DW_TAG_member 80 ; CHECK-NEXT: debug_str{{.*}}"a" 81 82 ; Check that we don't generate a hash for baz. 83 ; CHECK: DW_TAG_structure_type 84 ; CHECK-NEXT: debug_str{{.*}}"baz" 85 ; CHECK-NOT: DW_AT_GNU_odr_signature 86 87 %struct.bar = type { i8 } 88 %"class.echidna::capybara::mongoose::fluffy" = type { i32, i32 } 89 %"struct.<anonymous namespace>::walrus" = type { i8 } 90 %struct.wombat = type { %struct.anon } 91 %struct.anon = type { i32, i32 } 92 %struct.baz = type { i8 } 93 94 @b = global %struct.bar zeroinitializer, align 1 95 @_ZN7echidna8capybara8mongoose6animalE = global %"class.echidna::capybara::mongoose::fluffy" zeroinitializer, align 4 96 @w = internal global %"struct.<anonymous namespace>::walrus" zeroinitializer, align 1 97 @wom = global %struct.wombat zeroinitializer, align 4 98 @llvm.global_ctors = appending global [1 x { i32, void ()* }] [{ i32, void ()* } { i32 65535, void ()* @_GLOBAL__I_a }] 99 100 @_ZN12_GLOBAL__N_16walrusC1Ev = alias internal void (%"struct.<anonymous namespace>::walrus"*)* @_ZN12_GLOBAL__N_16walrusC2Ev 101 102 ; Function Attrs: nounwind uwtable 103 define void @_Z3foov() #0 { 104 entry: 105 %b = alloca %struct.baz, align 1 106 call void @llvm.dbg.declare(metadata !{%struct.baz* %b}, metadata !63), !dbg !71 107 ret void, !dbg !72 108 } 109 110 ; Function Attrs: nounwind readnone 111 declare void @llvm.dbg.declare(metadata, metadata) #1 112 113 define internal void @__cxx_global_var_init() section ".text.startup" { 114 entry: 115 call void @_ZN12_GLOBAL__N_16walrusC1Ev(%"struct.<anonymous namespace>::walrus"* @w), !dbg !73 116 ret void, !dbg !73 117 } 118 119 ; Function Attrs: nounwind uwtable 120 define internal void @_ZN12_GLOBAL__N_16walrusC2Ev(%"struct.<anonymous namespace>::walrus"* %this) unnamed_addr #0 align 2 { 121 entry: 122 %this.addr = alloca %"struct.<anonymous namespace>::walrus"*, align 8 123 store %"struct.<anonymous namespace>::walrus"* %this, %"struct.<anonymous namespace>::walrus"** %this.addr, align 8 124 call void @llvm.dbg.declare(metadata !{%"struct.<anonymous namespace>::walrus"** %this.addr}, metadata !74), !dbg !76 125 %this1 = load %"struct.<anonymous namespace>::walrus"** %this.addr 126 ret void, !dbg !76 127 } 128 129 define internal void @_GLOBAL__I_a() section ".text.startup" { 130 entry: 131 call void @__cxx_global_var_init(), !dbg !77 132 ret void, !dbg !77 133 } 134 135 attributes #0 = { nounwind uwtable "less-precise-fpmad"="false" "no-frame-pointer-elim"="true" "no-frame-pointer-elim-non-leaf"="true" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "stack-protector-buffer-size"="8" "unsafe-fp-math"="false" "use-soft-float"="false" } 136 attributes #1 = { nounwind readnone } 137 138 !llvm.dbg.cu = !{!0} 139 !llvm.module.flags = !{!62} 140 141 !0 = metadata !{i32 786449, metadata !1, i32 4, metadata !"clang version 3.4 (trunk 187387) (llvm/trunk 187385)", i1 false, metadata !"", i32 0, metadata !2, metadata !2, metadata !3, metadata !20, metadata !2, metadata !""} ; [ DW_TAG_compile_unit ] [/usr/local/google/home/echristo/tmp/bar.cpp] [DW_LANG_C_plus_plus] 142 !1 = metadata !{metadata !"bar.cpp", metadata !"/usr/local/google/home/echristo/tmp"} 143 !2 = metadata !{i32 0} 144 !3 = metadata !{metadata !4, metadata !8, metadata !9, metadata !18} 145 !4 = metadata !{i32 786478, metadata !1, metadata !5, metadata !"foo", metadata !"foo", metadata !"_Z3foov", i32 6, metadata !6, i1 false, i1 true, i32 0, i32 0, null, i32 256, i1 false, void ()* @_Z3foov, null, null, metadata !2, i32 6} ; [ DW_TAG_subprogram ] [line 6] [def] [foo] 146 !5 = metadata !{i32 786473, metadata !1} ; [ DW_TAG_file_type ] [/usr/local/google/home/echristo/tmp/bar.cpp] 147 !6 = metadata !{i32 786453, i32 0, i32 0, metadata !"", i32 0, i64 0, i64 0, i64 0, i32 0, null, metadata !7, i32 0, i32 0} ; [ DW_TAG_subroutine_type ] [line 0, size 0, align 0, offset 0] [from ] 148 !7 = metadata !{null} 149 !8 = metadata !{i32 786478, metadata !1, metadata !5, metadata !"__cxx_global_var_init", metadata !"__cxx_global_var_init", metadata !"", i32 31, metadata !6, i1 true, i1 true, i32 0, i32 0, null, i32 256, i1 false, void ()* @__cxx_global_var_init, null, null, metadata !2, i32 31} ; [ DW_TAG_subprogram ] [line 31] [local] [def] [__cxx_global_var_init] 150 !9 = metadata !{i32 786478, metadata !1, metadata !10, metadata !"walrus", metadata !"walrus", metadata !"_ZN12_GLOBAL__N_16walrusC2Ev", i32 27, metadata !11, i1 true, i1 true, i32 0, i32 0, null, i32 256, i1 false, void (%"struct.<anonymous namespace>::walrus"*)* @_ZN12_GLOBAL__N_16walrusC2Ev, null, metadata !16, metadata !2, i32 27} ; [ DW_TAG_subprogram ] [line 27] [local] [def] [walrus] 151 !10 = metadata !{i32 786489, metadata !1, null, metadata !"", i32 25} ; [ DW_TAG_namespace ] [line 25] 152 !11 = metadata !{i32 786453, i32 0, i32 0, metadata !"", i32 0, i64 0, i64 0, i64 0, i32 0, null, metadata !12, i32 0, i32 0} ; [ DW_TAG_subroutine_type ] [line 0, size 0, align 0, offset 0] [from ] 153 !12 = metadata !{null, metadata !13} 154 !13 = metadata !{i32 786447, i32 0, i32 0, metadata !"", i32 0, i64 64, i64 64, i64 0, i32 1088, metadata !14} ; [ DW_TAG_pointer_type ] [line 0, size 64, align 64, offset 0] [artificial] [from walrus] 155 !14 = metadata !{i32 786451, metadata !1, metadata !10, metadata !"walrus", i32 26, i64 8, i64 8, i32 0, i32 0, null, metadata !15, i32 0, null, null} ; [ DW_TAG_structure_type ] [walrus] [line 26, size 8, align 8, offset 0] [def] [from ] 156 !15 = metadata !{metadata !16} 157 !16 = metadata !{i32 786478, metadata !1, metadata !14, metadata !"walrus", metadata !"walrus", metadata !"", i32 27, metadata !11, i1 false, i1 false, i32 0, i32 0, null, i32 256, i1 false, null, null, i32 0, metadata !17, i32 27} ; [ DW_TAG_subprogram ] [line 27] [walrus] 158 !17 = metadata !{i32 786468} 159 !18 = metadata !{i32 786478, metadata !1, metadata !5, metadata !"_GLOBAL__I_a", metadata !"_GLOBAL__I_a", metadata !"", i32 27, metadata !19, i1 true, i1 true, i32 0, i32 0, null, i32 64, i1 false, void ()* @_GLOBAL__I_a, null, null, metadata !2, i32 27} ; [ DW_TAG_subprogram ] [line 27] [local] [def] [_GLOBAL__I_a] 160 !19 = metadata !{i32 786453, i32 0, i32 0, metadata !"", i32 0, i64 0, i64 0, i64 0, i32 0, null, metadata !2, i32 0, i32 0} ; [ DW_TAG_subroutine_type ] [line 0, size 0, align 0, offset 0] [from ] 161 !20 = metadata !{metadata !21, metadata !29, metadata !43, metadata !44} 162 !21 = metadata !{i32 786484, i32 0, null, metadata !"b", metadata !"b", metadata !"", metadata !5, i32 4, metadata !22, i32 0, i32 1, %struct.bar* @b, null} ; [ DW_TAG_variable ] [b] [line 4] [def] 163 !22 = metadata !{i32 786451, metadata !1, null, metadata !"bar", i32 1, i64 8, i64 8, i32 0, i32 0, null, metadata !23, i32 0, null, null} ; [ DW_TAG_structure_type ] [bar] [line 1, size 8, align 8, offset 0] [def] [from ] 164 !23 = metadata !{metadata !24} 165 !24 = metadata !{i32 786478, metadata !1, metadata !22, metadata !"bar", metadata !"bar", metadata !"", i32 1, metadata !25, i1 false, i1 false, i32 0, i32 0, null, i32 320, i1 false, null, null, i32 0, metadata !28, i32 1} ; [ DW_TAG_subprogram ] [line 1] [bar] 166 !25 = metadata !{i32 786453, i32 0, i32 0, metadata !"", i32 0, i64 0, i64 0, i64 0, i32 0, null, metadata !26, i32 0, i32 0} ; [ DW_TAG_subroutine_type ] [line 0, size 0, align 0, offset 0] [from ] 167 !26 = metadata !{null, metadata !27} 168 !27 = metadata !{i32 786447, i32 0, i32 0, metadata !"", i32 0, i64 64, i64 64, i64 0, i32 1088, metadata !22} ; [ DW_TAG_pointer_type ] [line 0, size 64, align 64, offset 0] [artificial] [from bar] 169 !28 = metadata !{i32 786468} 170 !29 = metadata !{i32 786484, i32 0, metadata !30, metadata !"animal", metadata !"animal", metadata !"_ZN7echidna8capybara8mongoose6animalE", metadata !5, i32 20, metadata !33, i32 0, i32 1, %"class.echidna::capybara::mongoose::fluffy"* @_ZN7echidna8capybara8mongoose6animalE, null} ; [ DW_TAG_variable ] [animal] [line 20] [def] 171 !30 = metadata !{i32 786489, metadata !1, metadata !31, metadata !"mongoose", i32 14} ; [ DW_TAG_namespace ] [mongoose] [line 14] 172 !31 = metadata !{i32 786489, metadata !1, metadata !32, metadata !"capybara", i32 13} ; [ DW_TAG_namespace ] [capybara] [line 13] 173 !32 = metadata !{i32 786489, metadata !1, null, metadata !"echidna", i32 12} ; [ DW_TAG_namespace ] [echidna] [line 12] 174 !33 = metadata !{i32 786434, metadata !1, metadata !30, metadata !"fluffy", i32 15, i64 64, i64 32, i32 0, i32 0, null, metadata !34, i32 0, null, null} ; [ DW_TAG_class_type ] [fluffy] [line 15, size 64, align 32, offset 0] [def] [from ] 175 !34 = metadata !{metadata !35, metadata !37, metadata !38} 176 !35 = metadata !{i32 786445, metadata !1, metadata !33, metadata !"a", i32 16, i64 32, i64 32, i64 0, i32 1, metadata !36} ; [ DW_TAG_member ] [a] [line 16, size 32, align 32, offset 0] [private] [from int] 177 !36 = 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] 178 !37 = metadata !{i32 786445, metadata !1, metadata !33, metadata !"b", i32 17, i64 32, i64 32, i64 32, i32 1, metadata !36} ; [ DW_TAG_member ] [b] [line 17, size 32, align 32, offset 32] [private] [from int] 179 !38 = metadata !{i32 786478, metadata !1, metadata !33, metadata !"fluffy", metadata !"fluffy", metadata !"", i32 15, metadata !39, i1 false, i1 false, i32 0, i32 0, null, i32 320, i1 false, null, null, i32 0, metadata !42, i32 15} ; [ DW_TAG_subprogram ] [line 15] [fluffy] 180 !39 = metadata !{i32 786453, i32 0, i32 0, metadata !"", i32 0, i64 0, i64 0, i64 0, i32 0, null, metadata !40, i32 0, i32 0} ; [ DW_TAG_subroutine_type ] [line 0, size 0, align 0, offset 0] [from ] 181 !40 = metadata !{null, metadata !41} 182 !41 = metadata !{i32 786447, i32 0, i32 0, metadata !"", i32 0, i64 64, i64 64, i64 0, i32 1088, metadata !33} ; [ DW_TAG_pointer_type ] [line 0, size 64, align 64, offset 0] [artificial] [from fluffy] 183 !42 = metadata !{i32 786468} 184 !43 = metadata !{i32 786484, i32 0, null, metadata !"w", metadata !"w", metadata !"", metadata !5, i32 31, metadata !14, i32 1, i32 1, %"struct.<anonymous namespace>::walrus"* @w, null} ; [ DW_TAG_variable ] [w] [line 31] [local] [def] 185 !44 = metadata !{i32 786484, i32 0, null, metadata !"wom", metadata !"wom", metadata !"", metadata !5, i32 40, metadata !45, i32 0, i32 1, %struct.wombat* @wom, null} ; [ DW_TAG_variable ] [wom] [line 40] [def] 186 !45 = metadata !{i32 786451, metadata !1, null, metadata !"wombat", i32 33, i64 64, i64 32, i32 0, i32 0, null, metadata !46, i32 0, null, null} ; [ DW_TAG_structure_type ] [wombat] [line 33, size 64, align 32, offset 0] [def] [from ] 187 !46 = metadata !{metadata !47, metadata !57} 188 !47 = metadata !{i32 786445, metadata !1, metadata !45, metadata !"a_b", i32 37, i64 64, i64 32, i64 0, i32 0, metadata !48} ; [ DW_TAG_member ] [a_b] [line 37, size 64, align 32, offset 0] [from ] 189 !48 = metadata !{i32 786451, metadata !1, metadata !45, metadata !"", i32 34, i64 64, i64 32, i32 0, i32 0, null, metadata !49, i32 0, null, null} ; [ DW_TAG_structure_type ] [line 34, size 64, align 32, offset 0] [def] [from ] 190 !49 = metadata !{metadata !50, metadata !51, metadata !52} 191 !50 = metadata !{i32 786445, metadata !1, metadata !48, metadata !"a", i32 35, i64 32, i64 32, i64 0, i32 0, metadata !36} ; [ DW_TAG_member ] [a] [line 35, size 32, align 32, offset 0] [from int] 192 !51 = metadata !{i32 786445, metadata !1, metadata !48, metadata !"b", i32 36, i64 32, i64 32, i64 32, i32 0, metadata !36} ; [ DW_TAG_member ] [b] [line 36, size 32, align 32, offset 32] [from int] 193 !52 = metadata !{i32 786478, metadata !1, metadata !48, metadata !"", metadata !"", metadata !"", i32 34, metadata !53, i1 false, i1 false, i32 0, i32 0, null, i32 320, i1 false, null, null, i32 0, metadata !56, i32 34} ; [ DW_TAG_subprogram ] [line 34] 194 !53 = metadata !{i32 786453, i32 0, i32 0, metadata !"", i32 0, i64 0, i64 0, i64 0, i32 0, null, metadata !54, i32 0, i32 0} ; [ DW_TAG_subroutine_type ] [line 0, size 0, align 0, offset 0] [from ] 195 !54 = metadata !{null, metadata !55} 196 !55 = metadata !{i32 786447, i32 0, i32 0, metadata !"", i32 0, i64 64, i64 64, i64 0, i32 1088, metadata !48} ; [ DW_TAG_pointer_type ] [line 0, size 64, align 64, offset 0] [artificial] [from ] 197 !56 = metadata !{i32 786468} 198 !57 = metadata !{i32 786478, metadata !1, metadata !45, metadata !"wombat", metadata !"wombat", metadata !"", i32 33, metadata !58, i1 false, i1 false, i32 0, i32 0, null, i32 320, i1 false, null, null, i32 0, metadata !61, i32 33} ; [ DW_TAG_subprogram ] [line 33] [wombat] 199 !58 = metadata !{i32 786453, i32 0, i32 0, metadata !"", i32 0, i64 0, i64 0, i64 0, i32 0, null, metadata !59, i32 0, i32 0} ; [ DW_TAG_subroutine_type ] [line 0, size 0, align 0, offset 0] [from ] 200 !59 = metadata !{null, metadata !60} 201 !60 = metadata !{i32 786447, i32 0, i32 0, metadata !"", i32 0, i64 64, i64 64, i64 0, i32 1088, metadata !45} ; [ DW_TAG_pointer_type ] [line 0, size 64, align 64, offset 0] [artificial] [from wombat] 202 !61 = metadata !{i32 786468} 203 !62 = metadata !{i32 2, metadata !"Dwarf Version", i32 3} 204 !63 = metadata !{i32 786688, metadata !4, metadata !"b", metadata !5, i32 9, metadata !64, i32 0, i32 0} ; [ DW_TAG_auto_variable ] [b] [line 9] 205 !64 = metadata !{i32 786451, metadata !1, metadata !4, metadata !"baz", i32 7, i64 8, i64 8, i32 0, i32 0, null, metadata !65, i32 0, null, null} ; [ DW_TAG_structure_type ] [baz] [line 7, size 8, align 8, offset 0] [def] [from ] 206 !65 = metadata !{metadata !66} 207 !66 = metadata !{i32 786478, metadata !1, metadata !64, metadata !"baz", metadata !"baz", metadata !"", i32 7, metadata !67, i1 false, i1 false, i32 0, i32 0, null, i32 320, i1 false, null, null, i32 0, metadata !70, i32 7} ; [ DW_TAG_subprogram ] [line 7] [baz] 208 !67 = metadata !{i32 786453, i32 0, i32 0, metadata !"", i32 0, i64 0, i64 0, i64 0, i32 0, null, metadata !68, i32 0, i32 0} ; [ DW_TAG_subroutine_type ] [line 0, size 0, align 0, offset 0] [from ] 209 !68 = metadata !{null, metadata !69} 210 !69 = metadata !{i32 786447, i32 0, i32 0, metadata !"", i32 0, i64 64, i64 64, i64 0, i32 1088, metadata !64} ; [ DW_TAG_pointer_type ] [line 0, size 64, align 64, offset 0] [artificial] [from baz] 211 !70 = metadata !{i32 786468} 212 !71 = metadata !{i32 9, i32 0, metadata !4, null} 213 !72 = metadata !{i32 10, i32 0, metadata !4, null} 214 !73 = metadata !{i32 31, i32 0, metadata !8, null} 215 !74 = metadata !{i32 786689, metadata !9, metadata !"this", metadata !5, i32 16777243, metadata !75, i32 1088, i32 0} ; [ DW_TAG_arg_variable ] [this] [line 27] 216 !75 = metadata !{i32 786447, null, null, metadata !"", i32 0, i64 64, i64 64, i64 0, i32 0, metadata !14} ; [ DW_TAG_pointer_type ] [line 0, size 64, align 64, offset 0] [from walrus] 217 !76 = metadata !{i32 27, i32 0, metadata !9, null} 218 !77 = metadata !{i32 27, i32 0, metadata !18, null} 219
