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