1; This checks that .debug_names can be generated in the DWARF64 format. 2 3; RUN: llc -mtriple=x86_64 -dwarf64 -accel-tables=Dwarf -dwarf-version=5 -filetype=obj %s -o %t 4; RUN: llvm-dwarfdump -debug-info -debug-names %t | FileCheck %s 5; RUN: llvm-dwarfdump -debug-names -verify %t | FileCheck --check-prefix=VERIFY %s 6 7; CHECK: .debug_info contents: 8; CHECK-NEXT: 0x00000000: Compile Unit: {{.+}}, format = DWARF64, 9; CHECK: [[VARDIE:.+]]: DW_TAG_variable 10; CHECK-NEXT: DW_AT_name ("foo") 11; CHECK: [[TYPEDIE:.+]]: DW_TAG_base_type 12; CHECK-NEXT: DW_AT_name ("int") 13; CHECK: [[SPDIE:.+]]: DW_TAG_subprogram 14; CHECK: DW_AT_name ("func") 15; CHECK: [[LABELDIE:.+]]: DW_TAG_label 16; CHECK-NEXT: DW_AT_name ("MyLabel") 17 18; CHECK: .debug_names contents: 19; CHECK-NEXT: Name Index @ 0x0 { 20; CHECK-NEXT: Header { 21; CHECK: Format: DWARF64 22; CHECK-NEXT: Version: 5 23; CHECK-NEXT: CU count: 1 24; CHECK-NEXT: Local TU count: 0 25; CHECK-NEXT: Foreign TU count: 0 26; CHECK-NEXT: Bucket count: 4 27; CHECK-NEXT: Name count: 4 28; CHECK: } 29; CHECK-NEXT: Compilation Unit offsets [ 30; CHECK-NEXT: CU[0]: 0x00000000 31; CHECK-NEXT: ] 32; CHECK-NEXT: Abbreviations [ 33; CHECK-NEXT: Abbreviation [[ABBREV:0x[0-9a-f]*]] { 34; CHECK-NEXT: Tag: DW_TAG_base_type 35; CHECK-NEXT: DW_IDX_die_offset: DW_FORM_ref4 36; CHECK-NEXT: DW_IDX_parent: DW_FORM_flag_present 37; CHECK-NEXT: } 38; CHECK-NEXT: Abbreviation [[ABBREV1:0x[0-9a-f]*]] { 39; CHECK-NEXT: Tag: DW_TAG_variable 40; CHECK-NEXT: DW_IDX_die_offset: DW_FORM_ref4 41; CHECK-NEXT: DW_IDX_parent: DW_FORM_flag_present 42; CHECK-NEXT: } 43; CHECK-NEXT: Abbreviation [[ABBREV_SP:0x[0-9a-f]*]] { 44; CHECK-NEXT: Tag: DW_TAG_subprogram 45; CHECK-NEXT: DW_IDX_die_offset: DW_FORM_ref4 46; CHECK-NEXT: DW_IDX_parent: DW_FORM_flag_present 47; CHECK-NEXT: } 48; CHECK-NEXT: Abbreviation [[ABBREV_LABEL:0x[0-9a-f]*]] { 49; CHECK-NEXT: Tag: DW_TAG_label 50; CHECK-NEXT: DW_IDX_die_offset: DW_FORM_ref4 51; CHECK-NEXT: DW_IDX_parent: DW_FORM_ref4 52; CHECK-NEXT: } 53; CHECK-NEXT: ] 54; CHECK-NEXT: Bucket 0 [ 55; CHECK-NEXT: Name 1 { 56; CHECK-NEXT: Hash: 0xB888030 57; CHECK-NEXT: String: {{.+}} "int" 58; CHECK-NEXT: Entry @ {{.+}} { 59; CHECK-NEXT: Abbrev: [[ABBREV]] 60; CHECK-NEXT: Tag: DW_TAG_base_type 61; CHECK-NEXT: DW_IDX_die_offset: [[TYPEDIE]] 62; CHECK-NEXT: DW_IDX_parent: <parent not indexed> 63; CHECK-NEXT: } 64; CHECK-NEXT: } 65; CHECK-NEXT: ] 66; CHECK-NEXT: Bucket 1 [ 67; CHECK-NEXT: Name 2 { 68; CHECK-NEXT: Hash: 0xB887389 69; CHECK-NEXT: String: {{.+}} "foo" 70; CHECK-NEXT: Entry @ {{.+}} { 71; CHECK-NEXT: Abbrev: [[ABBREV1]] 72; CHECK-NEXT: Tag: DW_TAG_variable 73; CHECK-NEXT: DW_IDX_die_offset: [[VARDIE]] 74; CHECK-NEXT: DW_IDX_parent: <parent not indexed> 75; CHECK-NEXT: } 76; CHECK-NEXT: } 77; CHECK-NEXT: Name 3 { 78; CHECK-NEXT: Hash: 0x7C96FE71 79; CHECK-NEXT: String: {{.+}} "func" 80; CHECK-NEXT: Entry @ [[FUNC_ENTRY:0x.+]] { 81; CHECK-NEXT: Abbrev: [[ABBREV_SP]] 82; CHECK-NEXT: Tag: DW_TAG_subprogram 83; CHECK-NEXT: DW_IDX_die_offset: [[SPDIE]] 84; CHECK-NEXT: DW_IDX_parent: <parent not indexed> 85; CHECK-NEXT: } 86; CHECK-NEXT: } 87; CHECK-NEXT: ] 88; CHECK-NEXT: Bucket 2 [ 89; CHECK-NEXT: EMPTY 90; CHECK-NEXT: ] 91; CHECK-NEXT: Bucket 3 [ 92; CHECK-NEXT: Name 4 { 93; CHECK-NEXT: Hash: 0xEC64E52B 94; CHECK-NEXT: String: {{.+}} "MyLabel" 95; CHECK-NEXT: Entry @ {{.+}} { 96; CHECK-NEXT: Abbrev: [[ABBREV_LABEL]] 97; CHECK-NEXT: Tag: DW_TAG_label 98; CHECK-NEXT: DW_IDX_die_offset: [[LABELDIE]] 99; CHECK-NEXT: DW_IDX_parent: Entry @ [[FUNC_ENTRY]] 100; CHECK-NEXT: } 101; CHECK-NEXT: } 102; CHECK-NEXT: ] 103; CHECK-NEXT: } 104 105; VERIFY: No errors. 106 107; IR generated and reduced from: 108; $ cat foo.c 109; int foo; 110; void func() { 111; goto MyLabel; 112; 113; MyLabel: 114; return 1; 115; } 116; $ clang -g -gpubnames -S -emit-llvm foo.c -o foo.ll 117 118target triple = "x86_64-unknown-linux-gnu" 119 120@foo = dso_local global i32 0, align 4, !dbg !0 121 122define void @func() !dbg !11 { 123 call void @llvm.dbg.label(metadata !15), !dbg !14 124 ret void, !dbg !14 125} 126 127declare void @llvm.dbg.label(metadata) 128 129!llvm.dbg.cu = !{!2} 130!llvm.module.flags = !{!7, !8, !9} 131!llvm.ident = !{!10} 132 133!0 = !DIGlobalVariableExpression(var: !1, expr: !DIExpression()) 134!1 = distinct !DIGlobalVariable(name: "foo", scope: !2, file: !3, line: 1, type: !6, isLocal: false, isDefinition: true) 135!2 = distinct !DICompileUnit(language: DW_LANG_C99, file: !3, producer: "clang version 12.0.0", isOptimized: false, runtimeVersion: 0, emissionKind: FullDebug, enums: !4, globals: !5, splitDebugInlining: false) 136!3 = !DIFile(filename: "foo.c", directory: "/tmp") 137!4 = !{} 138!5 = !{!0} 139!6 = !DIBasicType(name: "int", size: 32, encoding: DW_ATE_signed) 140!7 = !{i32 7, !"Dwarf Version", i32 4} 141!8 = !{i32 2, !"Debug Info Version", i32 3} 142!9 = !{i32 1, !"wchar_size", i32 4} 143!10 = !{!"clang version 12.0.0"} 144!11 = distinct !DISubprogram(name: "func", linkageName: "func", scope: !3, file: !3, line: 2, type: !12, unit: !2) 145!12 = !DISubroutineType(types: !13) 146!13 = !{null} 147!14 = !DILocation(line: 2, column: 13, scope: !11) 148!15 = !DILabel(scope: !11, name: "MyLabel", file: !3, line: 5) 149