xref: /llvm-project/llvm/test/DebugInfo/Generic/dwarf5-debug-info-static-member.ll (revision c70f6fc4f4c33656b2048e37c287d5c811f413b2)
1; AIX doesn't support the debug_addr section
2; UNSUPPORTED:  target={{.*}}-aix{{.*}}
3
4; RUN: %llc_dwarf -filetype=obj -o %t.o < %s
5; RUN: llvm-dwarfdump -v -debug-info %t.o | FileCheck %s -check-prefix=CHECK
6
7; LLVM IR generated using: clang -emit-llvm -S -g -gdwarf-5
8;
9; struct C
10; {
11;   static int a;
12;   const static bool b = true;
13;   static constexpr int c = 15;
14; };
15;
16; int C::a = 10;
17;
18; int main()
19; {
20;   C instance_C;
21;   return C::a + (int)C::b + C::c;
22; }
23
24source_filename = "llvm/test/DebugInfo/X86/dwarf5-debug-info-static-member.ll"
25
26%struct.C = type { i8 }
27
28@_ZN1C1aE = global i32 10, align 4, !dbg !0
29
30; Function Attrs: mustprogress noinline norecurse nounwind optnone ssp uwtable(sync)
31define noundef i32 @main() #0 !dbg !26 {
32entry:
33  %retval = alloca i32, align 4
34  %instance_C = alloca %struct.C, align 1
35  store i32 0, ptr %retval, align 4
36  call void @llvm.dbg.declare(metadata ptr %instance_C, metadata !30, metadata !DIExpression()), !dbg !31
37  %0 = load i32, ptr @_ZN1C1aE, align 4, !dbg !32
38  %add = add nsw i32 %0, 1, !dbg !33
39  %add1 = add nsw i32 %add, 15, !dbg !34
40  ret i32 %add1, !dbg !35
41}
42
43; Function Attrs: nocallback nofree nosync nounwind speculatable willreturn memory(none)
44declare void @llvm.dbg.declare(metadata, metadata, metadata) #1
45
46attributes #0 = { nounwind uwtable }
47attributes #1 = { nounwind readnone }
48
49!llvm.dbg.cu = !{!2}
50!llvm.module.flags = !{!19, !20, !21, !22, !23, !24}
51!llvm.ident = !{!25}
52
53!0 = !DIGlobalVariableExpression(var: !1, expr: !DIExpression())
54!1 = distinct !DIGlobalVariable(name: "a", linkageName: "_ZN1C1aE", scope: !2, file: !3, line: 8, type: !5, isLocal: false, isDefinition: true, declaration: !8)
55!2 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus_14, file: !3, producer: "clang version 18.0.0", isOptimized: false, runtimeVersion: 0, emissionKind: FullDebug, retainedTypes: !4, globals: !14, splitDebugInlining: false, nameTableKind: Apple, sysroot: "/")
56!3 = !DIFile(filename: "main.cpp", directory: "/tmp", checksumkind: CSK_MD5, checksum: "b2547f7df8f54777c012dbfbd626f155")
57!4 = !{!5, !6}
58!5 = !DIBasicType(name: "int", size: 32, encoding: DW_ATE_signed)
59!6 = distinct !DICompositeType(tag: DW_TAG_structure_type, name: "C", file: !3, line: 1, size: 8, flags: DIFlagTypePassByValue, elements: !7, identifier: "_ZTS1C")
60!7 = !{!8, !9, !12}
61!8 = !DIDerivedType(tag: DW_TAG_variable, name: "a", scope: !6, file: !3, line: 3, baseType: !5, flags: DIFlagStaticMember)
62!9 = !DIDerivedType(tag: DW_TAG_variable, name: "b", scope: !6, file: !3, line: 4, baseType: !10, flags: DIFlagStaticMember)
63!10 = !DIDerivedType(tag: DW_TAG_const_type, baseType: !11)
64!11 = !DIBasicType(name: "bool", size: 8, encoding: DW_ATE_boolean)
65!12 = !DIDerivedType(tag: DW_TAG_variable, name: "c", scope: !6, file: !3, line: 5, baseType: !13, flags: DIFlagStaticMember)
66!13 = !DIDerivedType(tag: DW_TAG_const_type, baseType: !5)
67!14 = !{!0, !15, !17}
68!15 = !DIGlobalVariableExpression(var: !16, expr: !DIExpression(DW_OP_constu, 1, DW_OP_stack_value))
69!16 = distinct !DIGlobalVariable(name: "b", scope: !2, file: !3, line: 4, type: !10, isLocal: true, isDefinition: true, declaration: !9)
70!17 = !DIGlobalVariableExpression(var: !18, expr: !DIExpression(DW_OP_constu, 15, DW_OP_stack_value))
71!18 = distinct !DIGlobalVariable(name: "c", scope: !2, file: !3, line: 5, type: !13, isLocal: true, isDefinition: true, declaration: !12)
72!19 = !{i32 7, !"Dwarf Version", i32 5}
73!20 = !{i32 2, !"Debug Info Version", i32 3}
74!21 = !{i32 1, !"wchar_size", i32 4}
75!22 = !{i32 8, !"PIC Level", i32 2}
76!23 = !{i32 7, !"uwtable", i32 1}
77!24 = !{i32 7, !"frame-pointer", i32 1}
78!25 = !{!"clang version 18.0.0"}
79!26 = distinct !DISubprogram(name: "main", scope: !3, file: !3, line: 10, type: !27, scopeLine: 11, flags: DIFlagPrototyped, spFlags: DISPFlagDefinition, unit: !2, retainedNodes: !29)
80!27 = !DISubroutineType(types: !28)
81!28 = !{!5}
82!29 = !{}
83!30 = !DILocalVariable(name: "instance_C", scope: !26, file: !3, line: 12, type: !6)
84!31 = !DILocation(line: 12, column: 5, scope: !26)
85!32 = !DILocation(line: 13, column: 10, scope: !26)
86!33 = !DILocation(line: 13, column: 15, scope: !26)
87!34 = !DILocation(line: 13, column: 27, scope: !26)
88!35 = !DILocation(line: 13, column: 3, scope: !26)
89
90; CHECK:      .debug_info contents:
91; CHECK:      DW_TAG_variable
92; CHECK-NEXT: DW_AT_specification {{.*}} "a"
93; CHECK:      DW_TAG_structure_type
94; CHECK:      DW_AT_name {{.*}} "C"
95; CHECK:      DW_TAG_variable
96; CHECK-NEXT: DW_AT_name {{.*}} "a"
97; CHECK:      DW_AT_external
98; CHECK:      DW_AT_declaration
99; CHECK:      DW_TAG_variable
100; CHECK-NEXT: DW_AT_name {{.*}} "b"
101; CHECK:      DW_AT_external
102; CHECK:      DW_AT_declaration
103; CHECK:      DW_TAG_variable
104; CHECK-NEXT: DW_AT_name {{.*}} "c"
105; CHECK:      DW_AT_external
106; CHECK:      DW_AT_declaration
107; CHECK:      NULL
108; CHECK:      DW_TAG_variable
109; CHECK-NEXT: DW_AT_specification {{.*}} "b"
110; CHECK-NEXT: DW_AT_const_value
111; CHECK:      DW_TAG_variable
112; CHECK-NEXT: DW_AT_specification {{.*}} "c"
113