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 45define i32 @main() nounwind uwtable { 46entry: 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, metadata !{!"0x102"}), !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 57declare void @llvm.dbg.declare(metadata, metadata, metadata) nounwind readnone 58 59!llvm.dbg.cu = !{!0} 60!llvm.module.flags = !{!34} 61 62!0 = !{!"0x11\004\00clang version 3.3 (trunk 171914)\000\00\000\00\000", !33, !1, !1, !3, !10, !1} ; [ DW_TAG_compile_unit ] [/home/probinson/projects/upstream/static-member/test/debug-info-static-member.cpp] [DW_LANG_C_plus_plus] 63!1 = !{} 64!3 = !{!5} 65!5 = !{!"0x2e\00main\00main\00\0018\000\001\000\006\00256\000\0023", !33, !6, !7, null, i32 ()* @main, null, null, !1} ; [ DW_TAG_subprogram ] [line 18] [def] [scope 23] [main] 66!6 = !{!"0x29", !33} ; [ DW_TAG_file_type ] 67!7 = !{!"0x15\00\000\000\000\000\000\000", i32 0, null, null, !8, null, null, null} ; [ DW_TAG_subroutine_type ] [line 0, size 0, align 0, offset 0] [from ] 68!8 = !{!9} 69!9 = !{!"0x24\00int\000\0032\0032\000\000\005", null, null} ; [ DW_TAG_base_type ] [int] [line 0, size 32, align 32, offset 0, enc DW_ATE_signed] 70!10 = !{!12, !27, !28} 71!12 = !{!"0x34\00a\00a\00_ZN1C1aE\0014\000\001", null, !6, !9, i32* @_ZN1C1aE, !15} ; [ DW_TAG_variable ] [a] [line 14] [def] 72!13 = !{!"0x2\00C\001\0032\0032\000\000\000", !33, null, null, !14, null, null, null} ; [ DW_TAG_class_type ] [C] [line 1, size 32, align 32, offset 0] [def] [from ] 73!14 = !{!15, !16, !19, !20, !23, !24, !26} 74!15 = !{!"0xd\00a\003\000\000\000\004097", !33, !13, !9, null} ; [ DW_TAG_member ] [a] [line 3, size 0, align 0, offset 0] [private] [static] [from int] 75!16 = !{!"0xd\00const_a\004\000\000\000\004097", !33, !13, !17, i1 true} ; [ DW_TAG_member ] [const_a] [line 4, size 0, align 0, offset 0] [private] [static] [from ] 76!17 = !{!"0x26\00\000\000\000\000\000", null, null, !18} ; [ DW_TAG_const_type ] [line 0, size 0, align 0, offset 0] [from bool] 77!18 = !{!"0x24\00bool\000\008\008\000\000\002", null, null} ; [ DW_TAG_base_type ] [bool] [line 0, size 8, align 8, offset 0, enc DW_ATE_boolean] 78!19 = !{!"0xd\00b\006\000\000\000\004098", !33, !13, !9, null} ; [ DW_TAG_member ] [b] [line 6, size 0, align 0, offset 0] [protected] [static] [from int] 79!20 = !{!"0xd\00const_b\007\000\000\000\004098", !33, !13, !21, float 0x40091EB860000000} ; [ DW_TAG_member ] [const_b] [line 7, size 0, align 0, offset 0] [protected] [static] [from ] 80!21 = !{!"0x26\00\000\000\000\000\000", null, null, !22} ; [ DW_TAG_const_type ] [line 0, size 0, align 0, offset 0] [from float] 81!22 = !{!"0x24\00float\000\0032\0032\000\000\004", null, null} ; [ DW_TAG_base_type ] [float] [line 0, size 32, align 32, offset 0, enc DW_ATE_float] 82!23 = !{!"0xd\00c\009\000\000\000\004099", !33, !13, !9, null} ; [ DW_TAG_member ] [c] [line 9, size 0, align 0, offset 0] [static] [from int] 83!24 = !{!"0xd\00const_c\0010\000\000\000\004099", !33, !13, !25, i32 18} ; [ DW_TAG_member ] [const_c] [line 10, size 0, align 0, offset 0] [static] [from ] 84!25 = !{!"0x26\00\000\000\000\000\000", null, null, !9} ; [ DW_TAG_const_type ] [line 0, size 0, align 0, offset 0] [from int] 85!26 = !{!"0xd\00d\0011\0032\0032\000\003", !33, !13, !9} ; [ DW_TAG_member ] [d] [line 11, size 32, align 32, offset 0] [from int] 86!27 = !{!"0x34\00b\00b\00_ZN1C1bE\0015\000\001", null, !6, !9, i32* @_ZN1C1bE, !19} ; [ DW_TAG_variable ] [b] [line 15] [def] 87!28 = !{!"0x34\00c\00c\00_ZN1C1cE\0016\000\001", null, !6, !9, i32* @_ZN1C1cE, !23} ; [ DW_TAG_variable ] [c] [line 16] [def] 88!29 = !{!"0x100\00instance_C\0020\000", !5, !6, !13} ; [ DW_TAG_auto_variable ] [instance_C] [line 20] 89!30 = !MDLocation(line: 20, scope: !5) 90!31 = !MDLocation(line: 21, scope: !5) 91!32 = !MDLocation(line: 22, scope: !5) 92!33 = !{!"/usr/local/google/home/blaikie/Development/llvm/src/tools/clang/test/CodeGenCXX/debug-info-static-member.cpp", !"/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_variable 99; PRESENT-NEXT: DW_AT_specification {{.*}} "a" 100; PRESENT-NEXT: DW_AT_location 101; PRESENT-NEXT: DW_AT_linkage_name {{.*}} "_ZN1C1aE" 102; PRESENT: DW_TAG_class_type 103; PRESENT-NEXT: DW_AT_name {{.*}} "C" 104; PRESENT: DW_TAG_member 105; PRESENT-NEXT: DW_AT_name {{.*}} "a" 106; PRESENT: DW_AT_external 107; PRESENT: DW_AT_declaration 108; PRESENT: DW_AT_accessibility [DW_FORM_data1] (DW_ACCESS_private) 109; PRESENT: DW_TAG_member 110; PRESENT-NEXT: DW_AT_name {{.*}} "const_a" 111; PRESENT: DW_AT_external 112; PRESENT: DW_AT_declaration 113; PRESENT: DW_AT_accessibility [DW_FORM_data1] (DW_ACCESS_private) 114; PRESENT: DW_AT_const_value {{.*}} (1) 115; PRESENT: DW_TAG_member 116; PRESENT-NEXT: DW_AT_name {{.*}} "b" 117; PRESENT: DW_AT_accessibility [DW_FORM_data1] (DW_ACCESS_protected) 118; PRESENT: DW_TAG_member 119; PRESENT-NEXT: DW_AT_name {{.*}} "const_b" 120; PRESENT: DW_AT_accessibility [DW_FORM_data1] (DW_ACCESS_protected) 121; PRESENT: DW_AT_const_value [DW_FORM_udata] (1078523331) 122; PRESENT: DW_TAG_member 123; PRESENT-NEXT: DW_AT_name {{.*}} "c" 124; PRESENT: DW_AT_accessibility [DW_FORM_data1] (DW_ACCESS_public) 125; PRESENT: DW_TAG_member 126; PRESENT-NEXT: DW_AT_name {{.*}} "const_c" 127; PRESENT: DW_AT_accessibility [DW_FORM_data1] (DW_ACCESS_public) 128; PRESENT: DW_AT_const_value {{.*}} (18) 129; While we're here, a normal member has data_member_location and 130; accessibility attributes. 131; PRESENT: DW_TAG_member 132; PRESENT-NEXT: DW_AT_name {{.*}} "d" 133; PRESENT: DW_AT_data_member_location 134; PRESENT: DW_AT_accessibility [DW_FORM_data1] (DW_ACCESS_public) 135; PRESENT: NULL 136; Definitions point back to their declarations, and have a location. 137; PRESENT: DW_TAG_variable 138; PRESENT-NEXT: DW_AT_specification {{.*}} "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 {{.*}} "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_variable 149; DARWINP-NEXT: DW_AT_specification {{.*}} "a" 150; DARWINP-NEXT: DW_AT_location 151; DARWINP-NEXT: DW_AT_linkage_name {{.*}} "_ZN1C1aE" 152; DARWINP: DW_TAG_class_type 153; DARWINP-NEXT: DW_AT_name {{.*}} "C" 154; DARWINP: DW_TAG_member 155; DARWINP-NEXT: DW_AT_name {{.*}} "a" 156; DARWINP: DW_AT_external 157; DARWINP: DW_AT_declaration 158; DARWINP: DW_AT_accessibility [DW_FORM_data1] (DW_ACCESS_private) 159; DARWINP: DW_TAG_member 160; DARWINP-NEXT: DW_AT_name {{.*}} "const_a" 161; DARWINP: DW_AT_external 162; DARWINP: DW_AT_declaration 163; DARWINP: DW_AT_accessibility [DW_FORM_data1] (DW_ACCESS_private) 164; DARWINP: DW_AT_const_value {{.*}} (1) 165; DARWINP: DW_TAG_member 166; DARWINP-NEXT: DW_AT_name {{.*}} "b" 167; DARWINP: DW_AT_accessibility [DW_FORM_data1] (DW_ACCESS_protected) 168; DARWINP: DW_TAG_member 169; DARWINP-NEXT: DW_AT_name {{.*}} "const_b" 170; DARWINP: DW_AT_accessibility [DW_FORM_data1] (DW_ACCESS_protected) 171; DARWINP: DW_AT_const_value [DW_FORM_udata] (1078523331) 172; DARWINP: DW_TAG_member 173; DARWINP-NEXT: DW_AT_name {{.*}} "c" 174; DARWINP: DW_AT_accessibility [DW_FORM_data1] (DW_ACCESS_public) 175; DARWINP: DW_TAG_member 176; DARWINP-NEXT: DW_AT_name {{.*}} "const_c" 177; DARWINP: DW_AT_accessibility [DW_FORM_data1] (DW_ACCESS_public) 178; DARWINP: DW_AT_const_value {{.*}} (18) 179; While we're here, a normal member has data_member_location and 180; accessibility attributes. 181; DARWINP: DW_TAG_member 182; DARWINP-NEXT: DW_AT_name {{.*}} "d" 183; DARWINP: DW_AT_data_member_location 184; DARWINP: DW_AT_accessibility [DW_FORM_data1] (DW_ACCESS_public) 185; DARWINP: NULL 186; Definitions point back to their declarations, and have a location. 187; DARWINP: DW_TAG_variable 188; DARWINP-NEXT: DW_AT_specification {{.*}} "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 {{.*}} "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 = !{i32 1, !"Debug Info Version", i32 2} 257