xref: /llvm-project/llvm/test/CodeGen/X86/dbg-list-dependencies.ll (revision 2f448bf509432c1a19ec46ab8cbc7353c03c6280) 
1; RUN: llc --stop-after=finalize-isel < %s
2
3; Tests that files with multiple SDNode dependencies are correctly handled by
4; SelectionDAG; dependencies that are incorrectly updated for an SDDbgValue
5; throughout SelectionDAG will result in errors.
6
7target datalayout = "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128"
8target triple = "x86_64-unknown-linux-gnu"
9
10%class.anon = type { i8 }
11%class.D = type { %class.f }
12%class.f = type { i32, i32 }
13%class.l = type { ptr, i64 }
14%class.d = type { i8 }
15
16@q = internal global %class.anon zeroinitializer, align 1, !dbg !0
17
18define void @_Z1rv() local_unnamed_addr !dbg !30 {
19entry:
20  %t = alloca %class.D, align 4
21  %call = tail call { ptr, i64 } @"_ZN3$_05m_fn3Ev"(ptr nonnull dereferenceable(1) @q), !dbg !60
22  %0 = extractvalue { ptr, i64 } %call, 0, !dbg !60
23  call void @llvm.dbg.value(metadata ptr %0, metadata !34, metadata !DIExpression(DW_OP_LLVM_fragment, 0, 64)), !dbg !61
24  %1 = extractvalue { ptr, i64 } %call, 1, !dbg !60
25  call void @llvm.dbg.value(metadata i64 %1, metadata !34, metadata !DIExpression(DW_OP_LLVM_fragment, 64, 64)), !dbg !61
26  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %t) #4, !dbg !62
27  call void @llvm.dbg.declare(metadata ptr %t, metadata !35, metadata !DIExpression()), !dbg !63
28  call void @llvm.dbg.value(metadata ptr %0, metadata !64, metadata !DIExpression(DW_OP_LLVM_fragment, 0, 64)), !dbg !69
29  call void @llvm.dbg.value(metadata i64 %1, metadata !64, metadata !DIExpression(DW_OP_LLVM_fragment, 64, 64)), !dbg !69
30  call void @llvm.dbg.value(metadata ptr %t, metadata !67, metadata !DIExpression()), !dbg !69
31  call void @llvm.dbg.value(metadata ptr undef, metadata !71, metadata !DIExpression()), !dbg !75
32  call void @llvm.dbg.value(metadata ptr %t, metadata !77, metadata !DIExpression()), !dbg !91
33  call void @llvm.dbg.value(metadata ptr %0, metadata !86, metadata !DIExpression()), !dbg !91
34  call void @llvm.dbg.value(metadata !DIArgList(ptr %0, i64 %1), metadata !87, metadata !DIExpression(DW_OP_LLVM_arg, 0, DW_OP_LLVM_arg, 1, DW_OP_constu, 1, DW_OP_mul, DW_OP_plus, DW_OP_stack_value)), !dbg !91
35  call void @_ZN1dC2EPvl(ptr nonnull dereferenceable(1) %t, ptr nonnull %t, i64 8), !dbg !94
36  call void @llvm.dbg.value(metadata !DIArgList(ptr %0, ptr %0, i64 %1), metadata !88, metadata !DIExpression(DW_OP_LLVM_arg, 0, DW_OP_LLVM_arg, 2, DW_OP_constu, 1, DW_OP_mul, DW_OP_plus, DW_OP_LLVM_arg, 1, DW_OP_minus, DW_OP_stack_value)), !dbg !95
37  %tobool.not.i.i = icmp eq i64 %1, 0, !dbg !96
38  br i1 %tobool.not.i.i, label %_ZN1DILi8EEC2E1l.exit, label %if.then.i.i, !dbg !98
39
40if.then.i.i:                                      ; preds = %entry
41  %add.ptr.i.i = getelementptr inbounds i8, ptr %0, i64 %1, !dbg !99
42  call void @llvm.dbg.value(metadata ptr %add.ptr.i.i, metadata !87, metadata !DIExpression()), !dbg !91
43  call void @llvm.dbg.value(metadata !DIArgList(ptr %add.ptr.i.i, ptr %0), metadata !88, metadata !DIExpression(DW_OP_LLVM_arg, 0, DW_OP_LLVM_arg, 1, DW_OP_minus, DW_OP_stack_value)), !dbg !95
44  call void @llvm.dbg.value(metadata ptr %t, metadata !77, metadata !DIExpression()), !dbg !91
45  %k.i.i = getelementptr inbounds %class.D, ptr %t, i64 0, i32 0, i32 1, !dbg !100
46  %2 = load i32, ptr %k.i.i, align 4, !dbg !100, !tbaa !101
47  call void @_Z1cIPKciEvT_S2_T0_(ptr %0, ptr nonnull %add.ptr.i.i, i32 %2), !dbg !106
48  br label %_ZN1DILi8EEC2E1l.exit, !dbg !106
49
50_ZN1DILi8EEC2E1l.exit:                            ; preds = %entry, %if.then.i.i
51  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %t) #4, !dbg !107
52  ret void, !dbg !107
53}
54
55declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture)
56
57declare void @llvm.dbg.declare(metadata, metadata, metadata)
58
59declare { ptr, i64 } @"_ZN3$_05m_fn3Ev"(ptr nonnull dereferenceable(1)) local_unnamed_addr
60
61declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture)
62
63declare void @_ZN1dC2EPvl(ptr nonnull dereferenceable(1), ptr, i64) unnamed_addr
64
65declare !dbg !108 void @_Z1cIPKciEvT_S2_T0_(ptr, ptr, i32) local_unnamed_addr
66
67declare void @llvm.dbg.value(metadata, metadata, metadata)
68
69!llvm.dbg.cu = !{!2}
70!llvm.module.flags = !{!26, !27, !28}
71!llvm.ident = !{!29}
72
73!0 = !DIGlobalVariableExpression(var: !1, expr: !DIExpression())
74!1 = distinct !DIGlobalVariable(name: "q", scope: !2, file: !3, line: 32, type: !6, isLocal: true, isDefinition: true)
75!2 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus_14, file: !3, producer: "clang version 13.0.0", isOptimized: true, runtimeVersion: 0, emissionKind: FullDebug, enums: !4, globals: !5, splitDebugInlining: false, nameTableKind: None)
76!3 = !DIFile(filename: "dbg-list-dependencies.cpp", directory: "/")
77!4 = !{}
78!5 = !{!0}
79!6 = distinct !DICompositeType(tag: DW_TAG_class_type, file: !3, line: 29, size: 8, flags: DIFlagTypePassByValue, elements: !7)
80!7 = !{!8}
81!8 = !DISubprogram(name: "m_fn3", linkageName: "_ZN3$_05m_fn3Ev", scope: !6, file: !3, line: 31, type: !9, scopeLine: 31, flags: DIFlagPublic | DIFlagPrototyped, spFlags: DISPFlagLocalToUnit | DISPFlagOptimized)
82!9 = !DISubroutineType(types: !10)
83!10 = !{!11, !25}
84!11 = distinct !DICompositeType(tag: DW_TAG_class_type, name: "l", file: !3, line: 17, size: 128, flags: DIFlagTypePassByValue, elements: !12, identifier: "_ZTS1l")
85!12 = !{!13, !16, !18, !24}
86!13 = !DIDerivedType(tag: DW_TAG_member, name: "m", scope: !11, file: !3, line: 18, baseType: !14, size: 64)
87!14 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !15, size: 64)
88!15 = !DIBasicType(name: "char", size: 8, encoding: DW_ATE_signed_char)
89!16 = !DIDerivedType(tag: DW_TAG_member, name: "n", scope: !11, file: !3, line: 19, baseType: !17, size: 64, offset: 64)
90!17 = !DIBasicType(name: "long int", size: 64, encoding: DW_ATE_signed)
91!18 = !DISubprogram(name: "p", linkageName: "_ZN1l1pEv", scope: !11, file: !3, line: 22, type: !19, scopeLine: 22, flags: DIFlagPublic | DIFlagPrototyped, spFlags: DISPFlagOptimized)
92!19 = !DISubroutineType(types: !20)
93!20 = !{!21, !23}
94!21 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !22, size: 64)
95!22 = !DIDerivedType(tag: DW_TAG_const_type, baseType: !15)
96!23 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !11, size: 64, flags: DIFlagArtificial | DIFlagObjectPointer)
97!24 = !DISubprogram(name: "m_fn2", linkageName: "_ZN1l5m_fn2Ev", scope: !11, file: !3, line: 23, type: !19, scopeLine: 23, flags: DIFlagPublic | DIFlagPrototyped, spFlags: DISPFlagOptimized)
98!25 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !6, size: 64, flags: DIFlagArtificial | DIFlagObjectPointer)
99!26 = !{i32 7, !"Dwarf Version", i32 4}
100!27 = !{i32 2, !"Debug Info Version", i32 3}
101!28 = !{i32 1, !"wchar_size", i32 4}
102!29 = !{!"clang version 13.0.0"}
103!30 = distinct !DISubprogram(name: "r", linkageName: "_Z1rv", scope: !3, file: !3, line: 33, type: !31, scopeLine: 33, flags: DIFlagPrototyped | DIFlagAllCallsDescribed, spFlags: DISPFlagDefinition | DISPFlagOptimized, unit: !2, retainedNodes: !33)
104!31 = !DISubroutineType(types: !32)
105!32 = !{null}
106!33 = !{!34, !35}
107!34 = !DILocalVariable(name: "s", scope: !30, file: !3, line: 34, type: !11)
108!35 = !DILocalVariable(name: "t", scope: !30, file: !3, line: 35, type: !36)
109!36 = distinct !DICompositeType(tag: DW_TAG_class_type, name: "D<8>", file: !3, line: 25, size: 64, flags: DIFlagTypePassByValue | DIFlagNonTrivial, elements: !37, templateParams: !58, identifier: "_ZTS1DILi8EE")
110!37 = !{!38, !54}
111!38 = !DIDerivedType(tag: DW_TAG_inheritance, scope: !36, baseType: !39, extraData: i32 0)
112!39 = distinct !DICompositeType(tag: DW_TAG_class_type, name: "f<8>", file: !3, line: 6, size: 64, flags: DIFlagTypePassByValue | DIFlagNonTrivial, elements: !40, templateParams: !52, identifier: "_ZTS1fILi8EE")
113!40 = !{!41, !49, !51}
114!41 = !DIDerivedType(tag: DW_TAG_inheritance, scope: !39, baseType: !42, extraData: i32 0)
115!42 = distinct !DICompositeType(tag: DW_TAG_class_type, name: "d", file: !3, line: 2, size: 8, flags: DIFlagTypePassByValue | DIFlagNonTrivial, elements: !43, identifier: "_ZTS1d")
116!43 = !{!44}
117!44 = !DISubprogram(name: "d", scope: !42, file: !3, line: 4, type: !45, scopeLine: 4, flags: DIFlagProtected | DIFlagPrototyped, spFlags: DISPFlagOptimized)
118!45 = !DISubroutineType(types: !46)
119!46 = !{null, !47, !48, !17}
120!47 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !42, size: 64, flags: DIFlagArtificial | DIFlagObjectPointer)
121!48 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: null, size: 64)
122!49 = !DIDerivedType(tag: DW_TAG_member, name: "g", scope: !39, file: !3, line: 7, baseType: !50, size: 32)
123!50 = !DIBasicType(name: "int", size: 32, encoding: DW_ATE_signed)
124!51 = !DIDerivedType(tag: DW_TAG_member, name: "k", scope: !39, file: !3, line: 15, baseType: !50, size: 32, offset: 32, flags: DIFlagPublic)
125!52 = !{!53}
126!53 = !DITemplateValueParameter(name: "e", type: !50, value: i32 8)
127!54 = !DISubprogram(name: "D", scope: !36, file: !3, line: 27, type: !55, scopeLine: 27, flags: DIFlagPublic | DIFlagPrototyped, spFlags: DISPFlagOptimized)
128!55 = !DISubroutineType(types: !56)
129!56 = !{null, !57, !11}
130!57 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !36, size: 64, flags: DIFlagArtificial | DIFlagObjectPointer)
131!58 = !{!59}
132!59 = !DITemplateValueParameter(name: "o", type: !50, value: i32 8)
133!60 = !DILocation(line: 34, column: 9, scope: !30)
134!61 = !DILocation(line: 0, scope: !30)
135!62 = !DILocation(line: 35, column: 3, scope: !30)
136!63 = !DILocation(line: 35, column: 8, scope: !30)
137!64 = !DILocalVariable(name: "h", arg: 2, scope: !65, file: !3, line: 27, type: !11)
138!65 = distinct !DISubprogram(name: "D", linkageName: "_ZN1DILi8EEC2E1l", scope: !36, file: !3, line: 27, type: !55, scopeLine: 27, flags: DIFlagPrototyped | DIFlagAllCallsDescribed, spFlags: DISPFlagDefinition | DISPFlagOptimized, unit: !2, declaration: !54, retainedNodes: !66)
139!66 = !{!67, !64}
140!67 = !DILocalVariable(name: "this", arg: 1, scope: !65, type: !68, flags: DIFlagArtificial | DIFlagObjectPointer)
141!68 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !36, size: 64)
142!69 = !DILocation(line: 0, scope: !65, inlinedAt: !70)
143!70 = distinct !DILocation(line: 35, column: 8, scope: !30)
144!71 = !DILocalVariable(name: "this", arg: 1, scope: !72, type: !74, flags: DIFlagArtificial | DIFlagObjectPointer)
145!72 = distinct !DISubprogram(name: "m_fn2", linkageName: "_ZN1l5m_fn2Ev", scope: !11, file: !3, line: 23, type: !19, scopeLine: 23, flags: DIFlagPrototyped | DIFlagAllCallsDescribed, spFlags: DISPFlagDefinition | DISPFlagOptimized, unit: !2, declaration: !24, retainedNodes: !73)
146!73 = !{!71}
147!74 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !11, size: 64)
148!75 = !DILocation(line: 0, scope: !72, inlinedAt: !76)
149!76 = distinct !DILocation(line: 27, column: 26, scope: !65, inlinedAt: !70)
150!77 = !DILocalVariable(name: "this", arg: 1, scope: !78, type: !90, flags: DIFlagArtificial | DIFlagObjectPointer)
151!78 = distinct !DISubprogram(name: "f<const char *>", linkageName: "_ZN1fILi8EEC2IPKcEET_S4_", scope: !39, file: !3, line: 10, type: !79, scopeLine: 10, flags: DIFlagPrototyped | DIFlagAllCallsDescribed, spFlags: DISPFlagDefinition | DISPFlagOptimized, unit: !2, templateParams: !83, declaration: !82, retainedNodes: !85)
152!79 = !DISubroutineType(types: !80)
153!80 = !{null, !81, !21, !21}
154!81 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !39, size: 64, flags: DIFlagArtificial | DIFlagObjectPointer)
155!82 = !DISubprogram(name: "f<const char *>", scope: !39, file: !3, line: 10, type: !79, scopeLine: 10, flags: DIFlagPublic | DIFlagPrototyped, spFlags: DISPFlagOptimized, templateParams: !83)
156!83 = !{!84}
157!84 = !DITemplateTypeParameter(name: "a", type: !21)
158!85 = !{!77, !86, !87, !88}
159!86 = !DILocalVariable(name: "h", arg: 2, scope: !78, file: !3, line: 10, type: !21)
160!87 = !DILocalVariable(name: "i", arg: 3, scope: !78, file: !3, line: 10, type: !21)
161!88 = !DILocalVariable(name: "j", scope: !89, file: !3, line: 11, type: !17)
162!89 = distinct !DILexicalBlock(scope: !78, file: !3, line: 10, column: 48)
163!90 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !39, size: 64)
164!91 = !DILocation(line: 0, scope: !78, inlinedAt: !92)
165!92 = distinct !DILocation(line: 27, column: 12, scope: !65, inlinedAt: !70)
166!93 = !DILocation(line: 10, column: 48, scope: !78, inlinedAt: !92)
167!94 = !DILocation(line: 10, column: 39, scope: !78, inlinedAt: !92)
168!95 = !DILocation(line: 0, scope: !89, inlinedAt: !92)
169!96 = !DILocation(line: 12, column: 9, scope: !97, inlinedAt: !92)
170!97 = distinct !DILexicalBlock(scope: !89, file: !3, line: 12, column: 9)
171!98 = !DILocation(line: 12, column: 9, scope: !89, inlinedAt: !92)
172!99 = !DILocation(line: 23, column: 34, scope: !72, inlinedAt: !76)
173!100 = !DILocation(line: 13, column: 15, scope: !97, inlinedAt: !92)
174!101 = !{!102, !103, i64 4}
175!102 = !{!"_ZTS1fILi8EE", !103, i64 0, !103, i64 4}
176!103 = !{!"int", !104, i64 0}
177!104 = !{!"omnipotent char", !105, i64 0}
178!105 = !{!"Simple C++ TBAA"}
179!106 = !DILocation(line: 13, column: 7, scope: !97, inlinedAt: !92)
180!107 = !DILocation(line: 36, column: 1, scope: !30)
181!108 = !DISubprogram(name: "c<const char *, int>", linkageName: "_Z1cIPKciEvT_S2_T0_", scope: !3, file: !3, line: 1, type: !109, flags: DIFlagPrototyped, spFlags: DISPFlagOptimized, templateParams: !111, retainedNodes: !4)
182!109 = !DISubroutineType(types: !110)
183!110 = !{null, !21, !21, !50}
184!111 = !{!84, !112}
185!112 = !DITemplateTypeParameter(name: "b", type: !50)
186