1 ; REQUIRES: object-emission 2 3 ; RUN: %llc_dwarf -O0 -filetype=obj < %s > %t 4 ; RUN: llvm-dwarfdump %t | FileCheck %s 5 ; CHECK: debug_info contents 6 ; CHECK: [[NS1:0x[0-9a-f]*]]:{{ *}}DW_TAG_namespace 7 ; CHECK-NEXT: DW_AT_name{{.*}} = "A" 8 ; CHECK-NEXT: DW_AT_decl_file{{.*}}(0x0[[F1:[0-9]]]) 9 ; CHECK-NEXT: DW_AT_decl_line{{.*}}(0x03) 10 ; CHECK-NOT: NULL 11 ; CHECK: [[NS2:0x[0-9a-f]*]]:{{ *}}DW_TAG_namespace 12 ; CHECK-NEXT: DW_AT_name{{.*}} = "B" 13 ; CHECK-NEXT: DW_AT_decl_file{{.*}}(0x0[[F2:[0-9]]]) 14 ; CHECK-NEXT: DW_AT_decl_line{{.*}}(0x01) 15 ; CHECK-NOT: NULL 16 ; CHECK: [[I:0x[0-9a-f]*]]:{{ *}}DW_TAG_variable 17 ; CHECK-NEXT: DW_AT_name{{.*}}= "i" 18 ; CHECK-NOT: NULL 19 ; CHECK: [[FOO:0x[0-9a-f]*]]:{{ *}}DW_TAG_structure_type 20 ; CHECK-NEXT: DW_AT_name{{.*}}= "foo" 21 ; CHECK-NEXT: DW_AT_declaration 22 ; CHECK-NOT: NULL 23 ; CHECK: [[BAR:0x[0-9a-f]*]]:{{ *}}DW_TAG_structure_type 24 ; CHECK-NEXT: DW_AT_name{{.*}}= "bar" 25 ; CHECK: NULL 26 ; CHECK: [[FUNC1:.*]]: DW_TAG_subprogram 27 ; CHECK-NOT: DW_TAG 28 ; CHECK: DW_AT_MIPS_linkage_name 29 ; CHECK-NOT: DW_TAG 30 ; CHECK: DW_AT_name{{.*}}= "f1" 31 ; CHECK: DW_TAG_subprogram 32 ; CHECK-NOT: DW_TAG 33 ; CHECK: DW_AT_MIPS_linkage_name 34 ; CHECK-NOT: DW_TAG 35 ; CHECK: DW_AT_name{{.*}}= "f1" 36 ; CHECK: NULL 37 38 ; CHECK-NOT: NULL 39 ; CHECK: DW_TAG_imported_module 40 ; This is a bug, it should be in F2 but it inherits the file from its 41 ; enclosing scope 42 ; CHECK-NEXT: DW_AT_decl_file{{.*}}(0x0[[F1]]) 43 ; CHECK-NEXT: DW_AT_decl_line{{.*}}(0x08) 44 ; CHECK-NEXT: DW_AT_import{{.*}}=> {[[NS2]]}) 45 ; CHECK: NULL 46 ; CHECK-NOT: NULL 47 48 ; CHECK: DW_TAG_imported_module 49 ; Same bug as above, this should be F2, not F1 50 ; CHECK-NEXT: DW_AT_decl_file{{.*}}(0x0[[F1]]) 51 ; CHECK-NEXT: DW_AT_decl_line{{.*}}(0x0b) 52 ; CHECK-NEXT: DW_AT_import{{.*}}=> {[[NS1]]}) 53 ; CHECK-NOT: NULL 54 55 ; CHECK: DW_TAG_subprogram 56 ; CHECK-NOT: DW_TAG 57 ; CHECK: DW_AT_MIPS_linkage_name 58 ; CHECK-NOT: DW_TAG 59 ; CHECK: DW_AT_name{{.*}}= "func" 60 ; CHECK-NOT: NULL 61 ; CHECK: DW_TAG_imported_module 62 ; CHECK-NEXT: DW_AT_decl_file{{.*}}(0x0[[F2]]) 63 ; CHECK-NEXT: DW_AT_decl_line{{.*}}(0x12) 64 ; CHECK-NEXT: DW_AT_import{{.*}}=> {[[NS1]]}) 65 ; CHECK-NOT: NULL 66 ; CHECK: DW_TAG_imported_declaration 67 ; CHECK-NEXT: DW_AT_decl_file{{.*}}(0x0[[F2]]) 68 ; CHECK-NEXT: DW_AT_decl_line{{.*}}(0x13) 69 ; CHECK-NEXT: DW_AT_import{{.*}}=> {[[FOO]]}) 70 ; CHECK-NOT: NULL 71 ; CHECK: DW_TAG_imported_declaration 72 ; CHECK-NEXT: DW_AT_decl_file{{.*}}(0x0[[F2]]) 73 ; CHECK-NEXT: DW_AT_decl_line{{.*}}(0x14) 74 ; CHECK-NEXT: DW_AT_import{{.*}}=> {[[BAR]]}) 75 ; CHECK-NOT: NULL 76 ; CHECK: DW_TAG_imported_declaration 77 ; CHECK-NEXT: DW_AT_decl_file{{.*}}(0x0[[F2]]) 78 ; CHECK-NEXT: DW_AT_decl_line{{.*}}(0x15) 79 ; CHECK-NEXT: DW_AT_import{{.*}}=> {[[FUNC1]]}) 80 ; CHECK-NOT: NULL 81 ; CHECK: DW_TAG_imported_declaration 82 ; CHECK-NEXT: DW_AT_decl_file{{.*}}(0x0[[F2]]) 83 ; CHECK-NEXT: DW_AT_decl_line{{.*}}(0x16) 84 ; CHECK-NEXT: DW_AT_import{{.*}}=> {[[I]]}) 85 ; CHECK-NOT: NULL 86 ; CHECK: [[X:0x[0-9a-f]*]]:{{ *}}DW_TAG_imported_declaration 87 ; CHECK-NEXT: DW_AT_decl_file{{.*}}(0x0[[F2]]) 88 ; CHECK-NEXT: DW_AT_decl_line{{.*}}(0x18) 89 ; CHECK-NEXT: DW_AT_import{{.*}}=> {[[NS1]]}) 90 ; CHECK-NEXT: DW_AT_name{{.*}}"X" 91 ; CHECK-NOT: NULL 92 ; CHECK: DW_TAG_imported_declaration 93 ; CHECK-NEXT: DW_AT_decl_file{{.*}}(0x0[[F2]]) 94 ; CHECK-NEXT: DW_AT_decl_line{{.*}}(0x19) 95 ; CHECK-NEXT: DW_AT_import{{.*}}=> {[[X]]}) 96 ; CHECK-NEXT: DW_AT_name{{.*}}"Y" 97 ; CHECK-NOT: NULL 98 ; CHECK: DW_TAG_lexical_block 99 ; CHECK-NOT: NULL 100 ; CHECK: DW_TAG_imported_module 101 ; CHECK-NEXT: DW_AT_decl_file{{.*}}(0x0[[F2]]) 102 ; CHECK-NEXT: DW_AT_decl_line{{.*}}(0x0f) 103 ; CHECK-NEXT: DW_AT_import{{.*}}=> {[[NS2]]}) 104 ; CHECK: NULL 105 ; CHECK: NULL 106 ; CHECK: NULL 107 108 ; CHECK: file_names[ [[F1]]]{{.*}}debug-info-namespace.cpp 109 ; CHECK: file_names[ [[F2]]]{{.*}}foo.cpp 110 111 ; IR generated from clang/test/CodeGenCXX/debug-info-namespace.cpp, file paths 112 ; changed to protect the guilty. The C++ source code is: 113 ; namespace A { 114 ; #line 1 "foo.cpp" 115 ; namespace B { 116 ; int i; 117 ; void f1() { } 118 ; void f1(int) { } 119 ; struct foo; 120 ; struct bar { }; 121 ; } 122 ; using namespace B; 123 ; } 124 ; 125 ; using namespace A; 126 ; 127 ; int func(bool b) { 128 ; if (b) { 129 ; using namespace A::B; 130 ; return i; 131 ; } 132 ; using namespace A; 133 ; using B::foo; 134 ; using B::bar; 135 ; using B::f1; 136 ; using B::i; 137 ; bar x; 138 ; namespace X = A; 139 ; namespace Y = X; 140 ; return i + X::B::i + Y::B::i; 141 ; } 142 143 %"struct.A::B::bar" = type { i8 } 144 145 @_ZN1A1B1iE = global i32 0, align 4 146 147 ; Function Attrs: nounwind uwtable 148 define void @_ZN1A1B2f1Ev() #0 { 149 entry: 150 ret void, !dbg !41 151 } 152 153 ; Function Attrs: nounwind uwtable 154 define void @_ZN1A1B2f1Ei(i32) #0 { 155 entry: 156 %.addr = alloca i32, align 4 157 store i32 %0, i32* %.addr, align 4 158 call void @llvm.dbg.declare(metadata !{i32* %.addr}, metadata !42), !dbg !43 159 ret void, !dbg !43 160 } 161 162 ; Function Attrs: nounwind readnone 163 declare void @llvm.dbg.declare(metadata, metadata) #1 164 165 ; Function Attrs: nounwind uwtable 166 define i32 @_Z4funcb(i1 zeroext %b) #0 { 167 entry: 168 %retval = alloca i32, align 4 169 %b.addr = alloca i8, align 1 170 %x = alloca %"struct.A::B::bar", align 1 171 %frombool = zext i1 %b to i8 172 store i8 %frombool, i8* %b.addr, align 1 173 call void @llvm.dbg.declare(metadata !{i8* %b.addr}, metadata !44), !dbg !45 174 %0 = load i8* %b.addr, align 1, !dbg !46 175 %tobool = trunc i8 %0 to i1, !dbg !46 176 br i1 %tobool, label %if.then, label %if.end, !dbg !46 177 178 if.then: ; preds = %entry 179 %1 = load i32* @_ZN1A1B1iE, align 4, !dbg !47 180 store i32 %1, i32* %retval, !dbg !47 181 br label %return, !dbg !47 182 183 if.end: ; preds = %entry 184 call void @llvm.dbg.declare(metadata !{%"struct.A::B::bar"* %x}, metadata !48), !dbg !49 185 %2 = load i32* @_ZN1A1B1iE, align 4, !dbg !50 186 %3 = load i32* @_ZN1A1B1iE, align 4, !dbg !50 187 %add = add nsw i32 %2, %3, !dbg !50 188 %4 = load i32* @_ZN1A1B1iE, align 4, !dbg !50 189 %add1 = add nsw i32 %add, %4, !dbg !50 190 store i32 %add1, i32* %retval, !dbg !50 191 br label %return, !dbg !50 192 193 return: ; preds = %if.end, %if.then 194 %5 = load i32* %retval, !dbg !51 195 ret i32 %5, !dbg !51 196 } 197 198 attributes #0 = { nounwind 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" "unsafe-fp-math"="false" "use-soft-float"="false" } 199 attributes #1 = { nounwind readnone } 200 201 !llvm.dbg.cu = !{!0} 202 !llvm.module.flags = !{!52} 203 204 !0 = metadata !{i32 786449, metadata !1, i32 4, metadata !"clang version 3.4 ", i1 false, metadata !"", i32 0, metadata !2, metadata !2, metadata !3, metadata !19, metadata !21, metadata !""} ; [ DW_TAG_compile_unit ] [/usr/local/google/home/blaikie/dev/llvm/build/clang/debug//usr/local/google/home/blaikie/dev/llvm/src/tools/clang/test/CodeGenCXX/debug-info-namespace.cpp] [DW_LANG_C_plus_plus] 205 !1 = metadata !{metadata !"/usr/local/google/home/blaikie/dev/llvm/src/tools/clang/test/CodeGenCXX/debug-info-namespace.cpp", metadata !"/usr/local/google/home/blaikie/dev/llvm/build/clang/debug"} 206 !2 = metadata !{} 207 !3 = metadata !{metadata !4, metadata !10, metadata !14} 208 !4 = metadata !{i32 786478, metadata !5, metadata !6, metadata !"f1", metadata !"f1", metadata !"_ZN1A1B2f1Ev", i32 3, metadata !8, i1 false, i1 true, i32 0, i32 0, null, i32 256, i1 false, void ()* @_ZN1A1B2f1Ev, null, null, metadata !2, i32 3} ; [ DW_TAG_subprogram ] [line 3] [def] [f1] 209 !5 = metadata !{metadata !"foo.cpp", metadata !"/usr/local/google/home/blaikie/dev/llvm/build/clang/debug"} 210 !6 = metadata !{i32 786489, metadata !5, metadata !7, metadata !"B", i32 1} ; [ DW_TAG_namespace ] [B] [line 1] 211 !7 = metadata !{i32 786489, metadata !1, null, metadata !"A", i32 3} ; [ DW_TAG_namespace ] [A] [line 3] 212 !8 = metadata !{i32 786453, i32 0, null, metadata !"", i32 0, i64 0, i64 0, i64 0, i32 0, null, metadata !9, i32 0, null, null, null} ; [ DW_TAG_subroutine_type ] [line 0, size 0, align 0, offset 0] [from ] 213 !9 = metadata !{null} 214 !10 = metadata !{i32 786478, metadata !5, metadata !6, metadata !"f1", metadata !"f1", metadata !"_ZN1A1B2f1Ei", i32 4, metadata !11, i1 false, i1 true, i32 0, i32 0, null, i32 256, i1 false, void (i32)* @_ZN1A1B2f1Ei, null, null, metadata !2, i32 4} ; [ DW_TAG_subprogram ] [line 4] [def] [f1] 215 !11 = metadata !{i32 786453, i32 0, null, metadata !"", i32 0, i64 0, i64 0, i64 0, i32 0, null, metadata !12, i32 0, null, null, null} ; [ DW_TAG_subroutine_type ] [line 0, size 0, align 0, offset 0] [from ] 216 !12 = metadata !{null, metadata !13} 217 !13 = 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] 218 !14 = metadata !{i32 786478, metadata !5, metadata !15, metadata !"func", metadata !"func", metadata !"_Z4funcb", i32 13, metadata !16, i1 false, i1 true, i32 0, i32 0, null, i32 256, i1 false, i32 (i1)* @_Z4funcb, null, null, metadata !2, i32 13} ; [ DW_TAG_subprogram ] [line 13] [def] [func] 219 !15 = metadata !{i32 786473, metadata !5} ; [ DW_TAG_file_type ] [/usr/local/google/home/blaikie/dev/llvm/build/clang/debug/foo.cpp] 220 !16 = metadata !{i32 786453, i32 0, null, metadata !"", i32 0, i64 0, i64 0, i64 0, i32 0, null, metadata !17, i32 0, null, null, null} ; [ DW_TAG_subroutine_type ] [line 0, size 0, align 0, offset 0] [from ] 221 !17 = metadata !{metadata !13, metadata !18} 222 !18 = metadata !{i32 786468, null, null, metadata !"bool", i32 0, i64 8, i64 8, i64 0, i32 0, i32 2} ; [ DW_TAG_base_type ] [bool] [line 0, size 8, align 8, offset 0, enc DW_ATE_boolean] 223 !19 = metadata !{metadata !20} 224 !20 = metadata !{i32 786484, i32 0, metadata !6, metadata !"i", metadata !"i", metadata !"_ZN1A1B1iE", metadata !15, i32 2, metadata !13, i32 0, i32 1, i32* @_ZN1A1B1iE, null} ; [ DW_TAG_variable ] [i] [line 2] [def] 225 !21 = metadata !{metadata !22, metadata !23, metadata !24, metadata !26, metadata !27, metadata !29, metadata !37, metadata !38, metadata !39, metadata !40} 226 !22 = metadata !{i32 786490, metadata !7, metadata !6, i32 8} ; [ DW_TAG_imported_module ] 227 !23 = metadata !{i32 786490, metadata !0, metadata !7, i32 11} ; [ DW_TAG_imported_module ] 228 !24 = metadata !{i32 786490, metadata !25, metadata !6, i32 15} ; [ DW_TAG_imported_module ] 229 !25 = metadata !{i32 786443, metadata !5, metadata !14, i32 14, i32 0, i32 0} ; [ DW_TAG_lexical_block ] [/usr/local/google/home/blaikie/dev/llvm/build/clang/debug/foo.cpp] 230 !26 = metadata !{i32 786490, metadata !14, metadata !7, i32 18} ; [ DW_TAG_imported_module ] 231 !27 = metadata !{i32 786440, metadata !14, metadata !28, i32 19} ; [ DW_TAG_imported_declaration ] 232 !28 = metadata !{i32 786451, metadata !5, metadata !6, metadata !"foo", i32 5, i64 0, i64 0, i32 0, i32 4, null, null, i32 0, null, null, null} ; [ DW_TAG_structure_type ] [foo] [line 5, size 0, align 0, offset 0] [decl] [from ] 233 !29 = metadata !{i32 786440, metadata !14, metadata !30, i32 20} ; [ DW_TAG_imported_declaration ] 234 !30 = metadata !{i32 786451, metadata !5, metadata !6, metadata !"bar", i32 6, i64 8, i64 8, i32 0, i32 0, null, metadata !31, i32 0, null, null, null} ; [ DW_TAG_structure_type ] [bar] [line 6, size 8, align 8, offset 0] [def] [from ] 235 !31 = metadata !{metadata !32} 236 !32 = metadata !{i32 786478, metadata !5, metadata !30, metadata !"bar", metadata !"bar", metadata !"", i32 6, metadata !33, i1 false, i1 false, i32 0, i32 0, null, i32 320, i1 false, null, null, i32 0, metadata !36, i32 6} ; [ DW_TAG_subprogram ] [line 6] [bar] 237 !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 ] 238 !34 = metadata !{null, metadata !35} 239 !35 = metadata !{i32 786447, i32 0, null, metadata !"", i32 0, i64 64, i64 64, i64 0, i32 1088, metadata !30} ; [ DW_TAG_pointer_type ] [line 0, size 64, align 64, offset 0] [artificial] [from bar] 240 !36 = metadata !{i32 786468} 241 !37 = metadata !{i32 786440, metadata !14, metadata !10, i32 21} ; [ DW_TAG_imported_declaration ] 242 !38 = metadata !{i32 786440, metadata !14, metadata !20, i32 22} ; [ DW_TAG_imported_declaration ] 243 !39 = metadata !{i32 786440, metadata !14, metadata !7, i32 24, metadata !"X"} ; [ DW_TAG_imported_declaration ] 244 !40 = metadata !{i32 786440, metadata !14, metadata !39, i32 25, metadata !"Y"} ; [ DW_TAG_imported_declaration ] 245 !41 = metadata !{i32 3, i32 0, metadata !4, null} 246 !42 = metadata !{i32 786689, metadata !10, metadata !"", metadata !15, i32 16777220, metadata !13, i32 0, i32 0} ; [ DW_TAG_arg_variable ] [line 4] 247 !43 = metadata !{i32 4, i32 0, metadata !10, null} 248 !44 = metadata !{i32 786689, metadata !14, metadata !"b", metadata !15, i32 16777229, metadata !18, i32 0, i32 0} ; [ DW_TAG_arg_variable ] [b] [line 13] 249 !45 = metadata !{i32 13, i32 0, metadata !14, null} 250 !46 = metadata !{i32 14, i32 0, metadata !14, null} 251 !47 = metadata !{i32 16, i32 0, metadata !25, null} 252 !48 = metadata !{i32 786688, metadata !14, metadata !"x", metadata !15, i32 23, metadata !30, i32 0, i32 0} ; [ DW_TAG_auto_variable ] [x] [line 23] 253 !49 = metadata !{i32 23, i32 0, metadata !14, null} 254 !50 = metadata !{i32 26, i32 0, metadata !14, null} 255 !51 = metadata !{i32 27, i32 0, metadata !14, null} 256 !52 = metadata !{i32 1, metadata !"Debug Info Version", i32 1} 257
