llvm/test/DebugInfo/X86/DW_AT_deleted.ll

   1 ; RUN: llc < %s -filetype=obj -o %t
   2 ; RUN: llvm-dwarfdump -v %t | FileCheck %s
   3
   4 ; C++ source to regenerate:
   5 ; class deleted {
   6 ; public:
   7 ;   // Defaulted on purpose, so as to facilitate object creation
   8 ;    deleted() = default;
   9 ;
  10 ;   deleted(const deleted &) = delete;
  11 ;   deleted &operator=(const deleted &) = delete;
  12 ;
  13 ;   deleted(deleted &&) = delete;
  14 ;   deleted &operator=(deleted &&) = delete;
  15 ;
  16 ;   ~deleted() = default;
  17 ; };
  18 ;
  19 ; void foo() {
  20 ;   deleted obj1;
  21 ; }
  22 ; $ clang++ -O0 -g -gdwarf-5 debug-info-deleted.cpp -c
  23
  24
  25 ; CHECK: .debug_abbrev contents:
  26
  27 ; CHECK: [7] DW_TAG_subprogram   DW_CHILDREN_yes
  28 ; CHECK: DW_AT_deleted   DW_FORM_flag_present
  29 ; CHECK: [9] DW_TAG_subprogram   DW_CHILDREN_yes
  30 ; CHECK: DW_AT_deleted   DW_FORM_flag_present
  31
  32 ; CHECK: .debug_info contents:
  33
  34 ; CHECK: DW_TAG_subprogram [7]
  35 ; CHECK-NEXT: DW_AT_name [DW_FORM_strx1]    (indexed (00000006) string = "deleted")
  36 ; CHECK:  DW_AT_deleted [DW_FORM_flag_present]  (true)
  37
  38 ; CHECK: DW_TAG_subprogram [9]
  39 ; CHECK-NEXT: DW_AT_linkage_name [DW_FORM_strx1]    (indexed (00000007) string = "_ZN7deletedaSERKS_")
  40 ; CHECK:  DW_AT_deleted [DW_FORM_flag_present]  (true)
  41
  42 ; CHECK: DW_TAG_subprogram [7]
  43 ; CHECK-NEXT: DW_AT_name [DW_FORM_strx1]    (indexed (00000006) string = "deleted")
  44 ; CHECK:  DW_AT_deleted [DW_FORM_flag_present]  (true)
  45
  46 ; CHECK: DW_TAG_subprogram [9]
  47 ; CHECK-NEXT: DW_AT_linkage_name [DW_FORM_strx1]    (indexed (00000009) string = "_ZN7deletedaSEOS_")
  48 ; CHECK-NEXT: DW_AT_name [DW_FORM_strx1]    (indexed (00000008) string = "operator=")
  49 ; CHECK:  DW_AT_deleted [DW_FORM_flag_present]  (true)
  50
  51 ; ModuleID = 'debug-info-deleted.cpp'
  52 source_filename = "debug-info-deleted.cpp"
  53 target datalayout = "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128"
  54 target triple = "x86_64-unknown-linux-gnu"
  55
  56 %class.deleted = type { i8 }
  57
  58 ; Function Attrs: noinline nounwind optnone uwtable
  59 define dso_local void @_Z3foov() #0 !dbg !7 {
  60   %1 = alloca %class.deleted, align 1
  61   call void @llvm.dbg.declare(metadata %class.deleted* %1, metadata !10, metadata !DIExpression()), !dbg !34
  62   ret void, !dbg !35
  63 }
  64
  65 ; Function Attrs: nounwind readnone speculatable willreturn
  66 declare void @llvm.dbg.declare(metadata, metadata, metadata) #1
  67
  68 attributes #0 = { noinline nounwind optnone uwtable }
  69 attributes #1 = { nounwind readnone speculatable willreturn }
  70
  71 !llvm.dbg.cu = !{!0}
  72 !llvm.module.flags = !{!3, !4, !5}
  73 !llvm.ident = !{!6}
  74
  75 !0 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus_14, file: !1, producer: "clang version 10.0.0 (https://github.com/llvm/llvm-project.git 715c47d5de9aa8860050992a7aaf27dca53f7f4a)", isOptimized: false, runtimeVersion: 0, emissionKind: FullDebug, enums: !2, nameTableKind: None)
  76 !1 = !DIFile(filename: "debug-info-deleted.cpp", directory: "/home/sourabh/work/dwarf/c_c++/c++11", checksumkind: CSK_MD5, checksum: "49dc56907586479c64634558b060292d")
  77 !2 = !{}
  78 !3 = !{i32 2, !"Dwarf Version", i32 5}
  79 !4 = !{i32 2, !"Debug Info Version", i32 3}
  80 !5 = !{i32 1, !"wchar_size", i32 4}
  81 !6 = !{!"clang version 10.0.0 (https://github.com/llvm/llvm-project.git 715c47d5de9aa8860050992a7aaf27dca53f7f4a)"}
  82 !7 = distinct !DISubprogram(name: "foo", linkageName: "_Z3foov", scope: !1, file: !1, line: 14, type: !8, scopeLine: 14, flags: DIFlagPrototyped, spFlags: DISPFlagDefinition, unit: !0, retainedNodes: !2)
  83 !8 = !DISubroutineType(types: !9)
  84 !9 = !{null}
  85 !10 = !DILocalVariable(name: "obj1", scope: !7, file: !1, line: 15, type: !11)
  86 !11 = distinct !DICompositeType(tag: DW_TAG_class_type, name: "deleted", file: !1, line: 1, size: 8, flags: DIFlagTypePassByReference, elements: !12, identifier: "_ZTS7deleted")
  87 !12 = !{!13, !17, !22, !26, !30, !33}
  88 !13 = !DISubprogram(name: "deleted", scope: !11, file: !1, line: 3, type: !14, scopeLine: 3, flags: DIFlagPublic | DIFlagPrototyped, spFlags: 0)
  89 !14 = !DISubroutineType(types: !15)
  90 !15 = !{null, !16}
  91 !16 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !11, size: 64, flags: DIFlagArtificial | DIFlagObjectPointer)
  92 !17 = !DISubprogram(name: "deleted", scope: !11, file: !1, line: 5, type: !18, scopeLine: 5, flags: DIFlagPublic | DIFlagPrototyped, spFlags: DISPFlagDeleted)
  93 !18 = !DISubroutineType(types: !19)
  94 !19 = !{null, !16, !20}
  95 !20 = !DIDerivedType(tag: DW_TAG_reference_type, baseType: !21, size: 64)
  96 !21 = !DIDerivedType(tag: DW_TAG_const_type, baseType: !11)
  97 !22 = !DISubprogram(name: "operator=", linkageName: "_ZN7deletedaSERKS_", scope: !11, file: !1, line: 6, type: !23, scopeLine: 6, flags: DIFlagPublic | DIFlagPrototyped, spFlags: DISPFlagDeleted)
  98 !23 = !DISubroutineType(types: !24)
  99 !24 = !{!25, !16, !20}
 100 !25 = !DIDerivedType(tag: DW_TAG_reference_type, baseType: !11, size: 64)
 101 !26 = !DISubprogram(name: "deleted", scope: !11, file: !1, line: 8, type: !27, scopeLine: 8, flags: DIFlagPublic | DIFlagPrototyped, spFlags: DISPFlagDeleted)
 102 !27 = !DISubroutineType(types: !28)
 103 !28 = !{null, !16, !29}
 104 !29 = !DIDerivedType(tag: DW_TAG_rvalue_reference_type, baseType: !11, size: 64)
 105 !30 = !DISubprogram(name: "operator=", linkageName: "_ZN7deletedaSEOS_", scope: !11, file: !1, line: 9, type: !31, scopeLine: 9, flags: DIFlagPublic | DIFlagPrototyped, spFlags: DISPFlagDeleted)
 106 !31 = !DISubroutineType(types: !32)
 107 !32 = !{!25, !16, !29}
 108 !33 = !DISubprogram(name: "~deleted", scope: !11, file: !1, line: 11, type: !14, scopeLine: 11, flags: DIFlagPublic | DIFlagPrototyped, spFlags: 0)
 109 !34 = !DILocation(line: 15, column: 13, scope: !7)
 110 !35 = !DILocation(line: 16, column: 3, scope: !7)