1 ; RUN: llc %s -o %t -filetype=obj -O0 -mtriple=x86_64-unknown-linux-gnu -dwarf-version=4 2 ; RUN: llvm-dwarfdump -debug-dump=info %t | FileCheck %s -check-prefix=PRESENT 3 ; RUN: llvm-dwarfdump -debug-dump=info %t | FileCheck %s -check-prefix=ABSENT 4 ; RUN: llc %s -o %t -filetype=obj -O0 -mtriple=x86_64-apple-darwin -dwarf-version=4 5 ; RUN: llvm-dwarfdump -debug-dump=info %t | FileCheck %s -check-prefix=DARWINP 6 ; RUN: llvm-dwarfdump -debug-dump=info %t | FileCheck %s -check-prefix=DARWINA 7 ; Verify that attributes we do want are PRESENT; 8 ; verify that attributes we don't want are ABSENT. 9 ; It's a lot easier to do this in two passes than in one. 10 ; PR14471 11 12 ; LLVM IR generated using: clang -emit-llvm -S -g 13 ; (with the Clang part of this patch applied). 14 ; 15 ; class C 16 ; { 17 ; static int a; 18 ; const static bool const_a = true; 19 ; protected: 20 ; static int b; 21 ; const static float const_b = 3.14; 22 ; public: 23 ; static int c; 24 ; const static int const_c = 18; 25 ; int d; 26 ; }; 27 ; 28 ; int C::a = 4; 29 ; int C::b = 2; 30 ; int C::c = 1; 31 ; 32 ; int main() 33 ; { 34 ; C instance_C; 35 ; instance_C.d = 8; 36 ; return C::c; 37 ; } 38 39 %class.C = type { i32 } 40 41 @_ZN1C1aE = global i32 4, align 4 42 @_ZN1C1bE = global i32 2, align 4 43 @_ZN1C1cE = global i32 1, align 4 44 45 define i32 @main() nounwind uwtable { 46 entry: 47 %retval = alloca i32, align 4 48 %instance_C = alloca %class.C, align 4 49 store i32 0, i32* %retval 50 call void @llvm.dbg.declare(metadata !{%class.C* %instance_C}, metadata !29), !dbg !30 51 %d = getelementptr inbounds %class.C* %instance_C, i32 0, i32 0, !dbg !31 52 store i32 8, i32* %d, align 4, !dbg !31 53 %0 = load i32* @_ZN1C1cE, align 4, !dbg !32 54 ret i32 %0, !dbg !32 55 } 56 57 declare void @llvm.dbg.declare(metadata, metadata) nounwind readnone 58 59 !llvm.dbg.cu = !{!0} 60 !llvm.module.flags = !{!34} 61 62 !0 = metadata !{i32 786449, metadata !33, i32 4, metadata !"clang version 3.3 (trunk 171914)", i1 false, metadata !"", i32 0, metadata !1, metadata !1, metadata !3, metadata !10, metadata !1, metadata !""} ; [ DW_TAG_compile_unit ] [/home/probinson/projects/upstream/static-member/test/debug-info-static-member.cpp] [DW_LANG_C_plus_plus] 63 !1 = metadata !{} 64 !3 = metadata !{metadata !5} 65 !5 = metadata !{i32 786478, metadata !33, metadata !6, metadata !"main", metadata !"main", metadata !"", i32 18, metadata !7, i1 false, i1 true, i32 0, i32 0, null, i32 256, i1 false, i32 ()* @main, null, null, metadata !1, i32 23} ; [ DW_TAG_subprogram ] [line 18] [def] [scope 23] [main] 66 !6 = metadata !{i32 786473, metadata !33} ; [ DW_TAG_file_type ] 67 !7 = metadata !{i32 786453, i32 0, null, i32 0, i32 0, i64 0, i64 0, i64 0, i32 0, null, metadata !8, i32 0, null, null, null} ; [ DW_TAG_subroutine_type ] [line 0, size 0, align 0, offset 0] [from ] 68 !8 = metadata !{metadata !9} 69 !9 = 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] 70 !10 = metadata !{metadata !12, metadata !27, metadata !28} 71 !12 = metadata !{i32 786484, i32 0, metadata !13, metadata !"a", metadata !"a", metadata !"_ZN1C1aE", metadata !6, i32 14, metadata !9, i32 0, i32 1, i32* @_ZN1C1aE, metadata !15} ; [ DW_TAG_variable ] [a] [line 14] [def] 72 !13 = metadata !{i32 786434, metadata !33, null, metadata !"C", i32 1, i64 32, i64 32, i32 0, i32 0, null, metadata !14, i32 0, null, null, null} ; [ DW_TAG_class_type ] [C] [line 1, size 32, align 32, offset 0] [def] [from ] 73 !14 = metadata !{metadata !15, metadata !16, metadata !19, metadata !20, metadata !23, metadata !24, metadata !26} 74 !15 = metadata !{i32 786445, metadata !33, metadata !13, metadata !"a", i32 3, i64 0, i64 0, i64 0, i32 4097, metadata !9, null} ; [ DW_TAG_member ] [a] [line 3, size 0, align 0, offset 0] [private] [static] [from int] 75 !16 = metadata !{i32 786445, metadata !33, metadata !13, metadata !"const_a", i32 4, i64 0, i64 0, i64 0, i32 4097, metadata !17, i1 true} ; [ DW_TAG_member ] [const_a] [line 4, size 0, align 0, offset 0] [private] [static] [from ] 76 !17 = metadata !{i32 786470, null, null, metadata !"", i32 0, i64 0, i64 0, i64 0, i32 0, metadata !18} ; [ DW_TAG_const_type ] [line 0, size 0, align 0, offset 0] [from bool] 77 !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] 78 !19 = metadata !{i32 786445, metadata !33, metadata !13, metadata !"b", i32 6, i64 0, i64 0, i64 0, i32 4098, metadata !9, null} ; [ DW_TAG_member ] [b] [line 6, size 0, align 0, offset 0] [protected] [static] [from int] 79 !20 = metadata !{i32 786445, metadata !33, metadata !13, metadata !"const_b", i32 7, i64 0, i64 0, i64 0, i32 4098, metadata !21, float 0x40091EB860000000} ; [ DW_TAG_member ] [const_b] [line 7, size 0, align 0, offset 0] [protected] [static] [from ] 80 !21 = metadata !{i32 786470, null, null, metadata !"", i32 0, i64 0, i64 0, i64 0, i32 0, metadata !22} ; [ DW_TAG_const_type ] [line 0, size 0, align 0, offset 0] [from float] 81 !22 = metadata !{i32 786468, null, null, metadata !"float", i32 0, i64 32, i64 32, i64 0, i32 0, i32 4} ; [ DW_TAG_base_type ] [float] [line 0, size 32, align 32, offset 0, enc DW_ATE_float] 82 !23 = metadata !{i32 786445, metadata !33, metadata !13, metadata !"c", i32 9, i64 0, i64 0, i64 0, i32 4096, metadata !9, null} ; [ DW_TAG_member ] [c] [line 9, size 0, align 0, offset 0] [static] [from int] 83 !24 = metadata !{i32 786445, metadata !33, metadata !13, metadata !"const_c", i32 10, i64 0, i64 0, i64 0, i32 4096, metadata !25, i32 18} ; [ DW_TAG_member ] [const_c] [line 10, size 0, align 0, offset 0] [static] [from ] 84 !25 = metadata !{i32 786470, null, null, metadata !"", i32 0, i64 0, i64 0, i64 0, i32 0, metadata !9} ; [ DW_TAG_const_type ] [line 0, size 0, align 0, offset 0] [from int] 85 !26 = metadata !{i32 786445, metadata !33, metadata !13, metadata !"d", i32 11, i64 32, i64 32, i64 0, i32 0, metadata !9} ; [ DW_TAG_member ] [d] [line 11, size 32, align 32, offset 0] [from int] 86 !27 = metadata !{i32 786484, i32 0, metadata !13, metadata !"b", metadata !"b", metadata !"_ZN1C1bE", metadata !6, i32 15, metadata !9, i32 0, i32 1, i32* @_ZN1C1bE, metadata !19} ; [ DW_TAG_variable ] [b] [line 15] [def] 87 !28 = metadata !{i32 786484, i32 0, metadata !13, metadata !"c", metadata !"c", metadata !"_ZN1C1cE", metadata !6, i32 16, metadata !9, i32 0, i32 1, i32* @_ZN1C1cE, metadata !23} ; [ DW_TAG_variable ] [c] [line 16] [def] 88 !29 = metadata !{i32 786688, metadata !5, metadata !"instance_C", metadata !6, i32 20, metadata !13, i32 0, i32 0} ; [ DW_TAG_auto_variable ] [instance_C] [line 20] 89 !30 = metadata !{i32 20, i32 0, metadata !5, null} 90 !31 = metadata !{i32 21, i32 0, metadata !5, null} 91 !32 = metadata !{i32 22, i32 0, metadata !5, null} 92 !33 = metadata !{metadata !"/usr/local/google/home/blaikie/Development/llvm/src/tools/clang/test/CodeGenCXX/debug-info-static-member.cpp", metadata !"/home/blaikie/local/Development/llvm/build/clang/x86-64/Debug/llvm"} 93 ; PRESENT verifies that static member declarations have these attributes: 94 ; external, declaration, accessibility, and either DW_AT_MIPS_linkage_name 95 ; (for variables) or DW_AT_const_value (for constants). 96 ; 97 ; PRESENT: .debug_info contents: 98 ; PRESENT: DW_TAG_class_type 99 ; PRESENT-NEXT: DW_AT_name {{.*}} "C" 100 ; PRESENT: 0x[[DECL_A:[0-9a-f]+]]: DW_TAG_member 101 ; PRESENT-NEXT: DW_AT_name {{.*}} "a" 102 ; PRESENT: DW_AT_external 103 ; PRESENT: DW_AT_declaration 104 ; PRESENT: DW_AT_accessibility [DW_FORM_data1] (0x03) 105 ; PRESENT: DW_TAG_member 106 ; PRESENT-NEXT: DW_AT_name {{.*}} "const_a" 107 ; PRESENT: DW_AT_external 108 ; PRESENT: DW_AT_declaration 109 ; PRESENT: DW_AT_accessibility [DW_FORM_data1] (0x03) 110 ; PRESENT: DW_AT_const_value {{.*}} (1) 111 ; PRESENT: 0x[[DECL_B:[0-9a-f]+]]: DW_TAG_member 112 ; PRESENT-NEXT: DW_AT_name {{.*}} "b" 113 ; PRESENT: DW_AT_accessibility [DW_FORM_data1] (0x02) 114 ; PRESENT: DW_TAG_member 115 ; PRESENT-NEXT: DW_AT_name {{.*}} "const_b" 116 ; PRESENT: DW_AT_accessibility [DW_FORM_data1] (0x02) 117 ; PRESENT: DW_AT_const_value [DW_FORM_udata] (1078523331) 118 ; PRESENT: 0x[[DECL_C:[0-9a-f]+]]: DW_TAG_member 119 ; PRESENT-NEXT: DW_AT_name {{.*}} "c" 120 ; PRESENT: DW_AT_accessibility [DW_FORM_data1] (0x01) 121 ; PRESENT: DW_TAG_member 122 ; PRESENT-NEXT: DW_AT_name {{.*}} "const_c" 123 ; PRESENT: DW_AT_accessibility [DW_FORM_data1] (0x01) 124 ; PRESENT: DW_AT_const_value {{.*}} (18) 125 ; While we're here, a normal member has data_member_location and 126 ; accessibility attributes. 127 ; PRESENT: DW_TAG_member 128 ; PRESENT-NEXT: DW_AT_name {{.*}} "d" 129 ; PRESENT: DW_AT_data_member_location 130 ; PRESENT: DW_AT_accessibility [DW_FORM_data1] (0x01) 131 ; PRESENT: NULL 132 ; Definitions point back to their declarations, and have a location. 133 ; PRESENT: DW_TAG_variable 134 ; PRESENT-NEXT: DW_AT_specification {{.*}} {0x[[DECL_A]]} 135 ; PRESENT-NEXT: DW_AT_location 136 ; PRESENT-NEXT: DW_AT_linkage_name {{.*}} "_ZN1C1aE" 137 ; PRESENT: DW_TAG_variable 138 ; PRESENT-NEXT: DW_AT_specification {{.*}} {0x[[DECL_B]]} 139 ; PRESENT-NEXT: DW_AT_location 140 ; PRESENT-NEXT: DW_AT_linkage_name {{.*}} "_ZN1C1bE" 141 ; PRESENT: DW_TAG_variable 142 ; PRESENT-NEXT: DW_AT_specification {{.*}} {0x[[DECL_C]]} 143 ; PRESENT-NEXT: DW_AT_location 144 ; PRESENT-NEXT: DW_AT_linkage_name {{.*}} "_ZN1C1cE" 145 146 ; For Darwin gdb: 147 ; DARWINP: .debug_info contents: 148 ; DARWINP: DW_TAG_class_type 149 ; DARWINP-NEXT: DW_AT_name {{.*}} "C" 150 ; DARWINP: 0x[[DECL_A:[0-9a-f]+]]: DW_TAG_member 151 ; DARWINP-NEXT: DW_AT_name {{.*}} "a" 152 ; DARWINP: DW_AT_external 153 ; DARWINP: DW_AT_declaration 154 ; DARWINP: DW_AT_accessibility [DW_FORM_data1] (0x03) 155 ; DARWINP: DW_TAG_member 156 ; DARWINP-NEXT: DW_AT_name {{.*}} "const_a" 157 ; DARWINP: DW_AT_external 158 ; DARWINP: DW_AT_declaration 159 ; DARWINP: DW_AT_accessibility [DW_FORM_data1] (0x03) 160 ; DARWINP: DW_AT_const_value {{.*}} (1) 161 ; DARWINP: 0x[[DECL_B:[0-9a-f]+]]: DW_TAG_member 162 ; DARWINP-NEXT: DW_AT_name {{.*}} "b" 163 ; DARWINP: DW_AT_accessibility [DW_FORM_data1] (0x02) 164 ; DARWINP: DW_TAG_member 165 ; DARWINP-NEXT: DW_AT_name {{.*}} "const_b" 166 ; DARWINP: DW_AT_accessibility [DW_FORM_data1] (0x02) 167 ; DARWINP: DW_AT_const_value [DW_FORM_udata] (1078523331) 168 ; DARWINP: 0x[[DECL_C:[0-9a-f]+]]: DW_TAG_member 169 ; DARWINP-NEXT: DW_AT_name {{.*}} "c" 170 ; DARWINP: DW_AT_accessibility [DW_FORM_data1] (0x01) 171 ; DARWINP: DW_TAG_member 172 ; DARWINP-NEXT: DW_AT_name {{.*}} "const_c" 173 ; DARWINP: DW_AT_accessibility [DW_FORM_data1] (0x01) 174 ; DARWINP: DW_AT_const_value {{.*}} (18) 175 ; While we're here, a normal member has data_member_location and 176 ; accessibility attributes. 177 ; DARWINP: DW_TAG_member 178 ; DARWINP-NEXT: DW_AT_name {{.*}} "d" 179 ; DARWINP: DW_AT_data_member_location 180 ; DARWINP: DW_AT_accessibility [DW_FORM_data1] (0x01) 181 ; DARWINP: NULL 182 ; Definitions point back to their declarations, and have a location. 183 ; DARWINP: DW_TAG_variable 184 ; DARWINP-NEXT: DW_AT_specification {{.*}} {0x[[DECL_A]]} 185 ; DARWINP-NEXT: DW_AT_location 186 ; DARWINP-NEXT: DW_AT_linkage_name {{.*}} "_ZN1C1aE" 187 ; DARWINP: DW_TAG_variable 188 ; DARWINP-NEXT: DW_AT_specification {{.*}} {0x[[DECL_B]]} 189 ; DARWINP-NEXT: DW_AT_location 190 ; DARWINP-NEXT: DW_AT_linkage_name {{.*}} "_ZN1C1bE" 191 ; DARWINP: DW_TAG_variable 192 ; DARWINP-NEXT: DW_AT_specification {{.*}} {0x[[DECL_C]]} 193 ; DARWINP-NEXT: DW_AT_location 194 ; DARWINP-NEXT: DW_AT_linkage_name {{.*}} "_ZN1C1cE" 195 196 ; ABSENT verifies that static member declarations do not have either 197 ; DW_AT_location or DW_AT_data_member_location; also, variables do not 198 ; have DW_AT_const_value and constants do not have DW_AT_linkage_name. 199 ; 200 ; ABSENT: .debug_info contents: 201 ; ABSENT: DW_TAG_member 202 ; ABSENT: DW_AT_name {{.*}} "a" 203 ; ABSENT-NOT: DW_AT_const_value 204 ; ABSENT-NOT: location 205 ; ABSENT: DW_AT_name {{.*}} "const_a" 206 ; ABSENT-NOT: DW_AT_linkage_name 207 ; ABSENT-NOT: location 208 ; ABSENT: DW_AT_name {{.*}} "b" 209 ; ABSENT-NOT: DW_AT_const_value 210 ; ABSENT-NOT: location 211 ; ABSENT: DW_AT_name {{.*}} "const_b" 212 ; ABSENT-NOT: DW_AT_linkage_name 213 ; ABSENT-NOT: location 214 ; ABSENT: DW_AT_name {{.*}} "c" 215 ; ABSENT-NOT: DW_AT_const_value 216 ; ABSENT-NOT: location 217 ; ABSENT: DW_AT_name {{.*}} "const_c" 218 ; ABSENT-NOT: DW_AT_linkage_name 219 ; ABSENT-NOT: location 220 ; While we're here, a normal member does not have a linkage name, constant 221 ; value, or DW_AT_location. 222 ; ABSENT: DW_AT_name {{.*}} "d" 223 ; ABSENT-NOT: DW_AT_linkage_name 224 ; ABSENT-NOT: DW_AT_const_value 225 ; ABSENT-NOT: DW_AT_location 226 ; ABSENT: NULL 227 228 ; For Darwin gdb: 229 ; DARWINA: .debug_info contents: 230 ; DARWINA: DW_TAG_member 231 ; DARWINA: DW_AT_name {{.*}} "a" 232 ; DARWINA-NOT: DW_AT_const_value 233 ; DARWINA-NOT: location 234 ; DARWINA: DW_AT_name {{.*}} "const_a" 235 ; DARWINA-NOT: DW_AT_linkage_name 236 ; DARWINA-NOT: location 237 ; DARWINA: DW_AT_name {{.*}} "b" 238 ; DARWINA-NOT: DW_AT_const_value 239 ; DARWINA-NOT: location 240 ; DARWINA: DW_AT_name {{.*}} "const_b" 241 ; DARWINA-NOT: DW_AT_linkage_name 242 ; DARWINA-NOT: location 243 ; DARWINA: DW_AT_name {{.*}} "c" 244 ; DARWINA-NOT: DW_AT_const_value 245 ; DARWINA-NOT: location 246 ; DARWINA: DW_AT_name {{.*}} "const_c" 247 ; DARWINA-NOT: DW_AT_linkage_name 248 ; DARWINA-NOT: location 249 ; While we're here, a normal member does not have a linkage name, constant 250 ; value, or DW_AT_location. 251 ; DARWINA: DW_AT_name {{.*}} "d" 252 ; DARWINA-NOT: DW_AT_linkage_name 253 ; DARWINA-NOT: DW_AT_const_value 254 ; DARWINA-NOT: DW_AT_location 255 ; DARWINA: NULL 256 !34 = metadata !{i32 1, metadata !"Debug Info Version", i32 1} 257
