xref: /llvm-project/llvm/test/DebugInfo/Generic/assignment-tracking/sroa/vec-2.ll (revision 094572701dce4aaf36f4521d6cf750420d39f206) 
1; RUN: opt %s -S -passes=sroa -o - | FileCheck %s
2; RUN: opt --try-experimental-debuginfo-iterators %s -S -passes=sroa -o - | FileCheck %s
3
4;; $ cat test.cpp
5;; class a {
6;; protected:
7;;   float b[4];
8;; };
9;; float c;
10;; class d : a {
11;; public:
12;;   d() { b[3] = c; }
13;;   void e() {}
14;; };
15;; d f();
16;; void g() {
17;;   d j = f(), h = j, i = h;
18;;   i.e();
19;;   i = d();
20;; }
21;;
22;; Generated by grabbing IR before sroa in:
23;; $ clang++ -O2 -g -c test.cpp -Xclang -fexperimental-assignment-tracking
24
25;; Check that the dbg.assign value is scalar rather than a vector value because
26;; we don't have a way of indexing a vector from within a
27;; dbg.assign/DIExpression. Ensure that only the value-expression gets fragment
28;; info; that the address-expression remains untouched.
29
30; CHECK: %i.sroa.2.12.vec.insert = insertelement <2 x float> %i.sroa.2.0.vec.insert, float %2, i32 1, !dbg
31;; There's a few dbg intrinsics we're not interested in testing wedged in here.
32; CHECK-NEXT: #dbg_value
33; CHECK-NEXT: #dbg_value
34; CHECK-NEXT: #dbg_value(float %2,{{.+}}, !DIExpression(DW_OP_LLVM_fragment, 96, 32),
35
36%class.d = type { %class.a }
37%class.a = type { [4 x float] }
38
39$_ZN1d1eEv = comdat any
40
41$_ZN1dC2Ev = comdat any
42
43@c = dso_local local_unnamed_addr global float 0.000000e+00, align 4, !dbg !0
44
45; Function Attrs: uwtable
46define dso_local void @_Z1gv() local_unnamed_addr #0 !dbg !11 {
47entry:
48  call void @llvm.dbg.assign(metadata i1 undef, metadata !15, metadata !DIExpression(DW_OP_LLVM_fragment, 0, 64), metadata !32, metadata ptr undef, metadata !DIExpression()), !dbg !33
49  call void @llvm.dbg.assign(metadata i1 undef, metadata !15, metadata !DIExpression(DW_OP_LLVM_fragment, 64, 64), metadata !34, metadata ptr undef, metadata !DIExpression()), !dbg !33
50  call void @llvm.dbg.assign(metadata i1 undef, metadata !30, metadata !DIExpression(DW_OP_LLVM_fragment, 0, 64), metadata !35, metadata ptr undef, metadata !DIExpression()), !dbg !33
51  call void @llvm.dbg.assign(metadata i1 undef, metadata !30, metadata !DIExpression(DW_OP_LLVM_fragment, 64, 64), metadata !36, metadata ptr undef, metadata !DIExpression()), !dbg !33
52  %i = alloca %class.d, align 8, !DIAssignID !37
53  call void @llvm.dbg.assign(metadata i1 undef, metadata !31, metadata !DIExpression(), metadata !37, metadata ptr %i, metadata !DIExpression()), !dbg !33
54  %ref.tmp = alloca %class.d, align 4
55  %call = call { <2 x float>, <2 x float> } @_Z1fv(), !dbg !38
56  %0 = extractvalue { <2 x float>, <2 x float> } %call, 0, !dbg !38
57  call void @llvm.dbg.assign(metadata <2 x float> %0, metadata !15, metadata !DIExpression(DW_OP_LLVM_fragment, 0, 64), metadata !39, metadata ptr undef, metadata !DIExpression()), !dbg !33
58  %1 = extractvalue { <2 x float>, <2 x float> } %call, 1, !dbg !38
59  call void @llvm.dbg.assign(metadata <2 x float> %1, metadata !15, metadata !DIExpression(DW_OP_LLVM_fragment, 64, 64), metadata !40, metadata ptr undef, metadata !DIExpression()), !dbg !33
60  call void @llvm.dbg.assign(metadata <2 x float> %0, metadata !30, metadata !DIExpression(DW_OP_LLVM_fragment, 0, 64), metadata !41, metadata ptr undef, metadata !DIExpression()), !dbg !33
61  call void @llvm.dbg.assign(metadata <2 x float> %1, metadata !30, metadata !DIExpression(DW_OP_LLVM_fragment, 64, 64), metadata !42, metadata ptr undef, metadata !DIExpression()), !dbg !33
62  %2 = bitcast ptr %i to ptr, !dbg !43
63  %h.sroa.0.sroa.0.0.h.sroa.0.0..sroa_cast4.sroa_cast = bitcast ptr %i to ptr, !dbg !44
64  store <2 x float> %0, ptr %h.sroa.0.sroa.0.0.h.sroa.0.0..sroa_cast4.sroa_cast, align 8, !dbg !44, !DIAssignID !45
65  call void @llvm.dbg.assign(metadata <2 x float> %0, metadata !31, metadata !DIExpression(DW_OP_LLVM_fragment, 0, 64), metadata !45, metadata ptr %h.sroa.0.sroa.0.0.h.sroa.0.0..sroa_cast4.sroa_cast, metadata !DIExpression()), !dbg !33
66  %h.sroa.0.sroa.4.0.h.sroa.0.0..sroa_cast4.sroa_idx13 = getelementptr inbounds %class.d, ptr %i, i64 0, i32 0, i32 0, i64 2, !dbg !44
67  %h.sroa.0.sroa.4.0.h.sroa.0.0..sroa_cast4.sroa_cast = bitcast ptr %h.sroa.0.sroa.4.0.h.sroa.0.0..sroa_cast4.sroa_idx13 to ptr, !dbg !44
68  store <2 x float> %1, ptr %h.sroa.0.sroa.4.0.h.sroa.0.0..sroa_cast4.sroa_cast, align 8, !dbg !44, !DIAssignID !46
69  call void @llvm.dbg.assign(metadata <2 x float> %1, metadata !31, metadata !DIExpression(DW_OP_LLVM_fragment, 64, 64), metadata !46, metadata ptr %h.sroa.0.sroa.4.0.h.sroa.0.0..sroa_cast4.sroa_cast, metadata !DIExpression()), !dbg !33
70  call void @llvm.dbg.assign(metadata i1 undef, metadata !47, metadata !DIExpression(), metadata !51, metadata ptr undef, metadata !DIExpression()), !dbg !52
71  call void @llvm.dbg.assign(metadata ptr %i, metadata !47, metadata !DIExpression(), metadata !54, metadata ptr undef, metadata !DIExpression()), !dbg !52
72  %3 = bitcast ptr %ref.tmp to ptr, !dbg !55
73  call void @llvm.dbg.assign(metadata i1 undef, metadata !56, metadata !DIExpression(), metadata !59, metadata ptr undef, metadata !DIExpression()), !dbg !60
74  call void @llvm.dbg.assign(metadata ptr %ref.tmp, metadata !56, metadata !DIExpression(), metadata !62, metadata ptr undef, metadata !DIExpression()), !dbg !60
75  %4 = load float, ptr @c, align 4, !dbg !63
76  %arrayidx.i = getelementptr inbounds %class.d, ptr %ref.tmp, i64 0, i32 0, i32 0, i64 3, !dbg !69
77  store float %4, ptr %arrayidx.i, align 4, !dbg !70
78  call void @llvm.memcpy.p0.p0.i64(ptr nonnull align 8 dereferenceable(16) %2, ptr nonnull align 4 dereferenceable(16) %3, i64 16, i1 false), !dbg !71, !DIAssignID !72
79  call void @llvm.dbg.assign(metadata i1 undef, metadata !31, metadata !DIExpression(), metadata !72, metadata ptr %2, metadata !DIExpression()), !dbg !33
80  ret void, !dbg !74
81}
82
83declare !dbg !75 dso_local { <2 x float>, <2 x float> } @_Z1fv() local_unnamed_addr #2
84
85; Function Attrs: argmemonly nofree nosync nounwind willreturn
86declare void @llvm.memcpy.p0.p0.i64(ptr noalias nocapture writeonly, ptr noalias nocapture readonly, i64, i1 immarg) #1
87
88; Function Attrs: nounwind uwtable
89define linkonce_odr dso_local void @_ZN1d1eEv(ptr %this) local_unnamed_addr #3 comdat align 2 !dbg !48 {
90entry:
91  call void @llvm.dbg.assign(metadata i1 undef, metadata !47, metadata !DIExpression(), metadata !78, metadata ptr undef, metadata !DIExpression()), !dbg !79
92  call void @llvm.dbg.assign(metadata ptr %this, metadata !47, metadata !DIExpression(), metadata !80, metadata ptr undef, metadata !DIExpression()), !dbg !79
93  ret void, !dbg !81
94}
95
96; Function Attrs: nounwind uwtable
97define linkonce_odr dso_local void @_ZN1dC2Ev(ptr %this) unnamed_addr #3 comdat align 2 !dbg !57 {
98entry:
99  call void @llvm.dbg.assign(metadata i1 undef, metadata !56, metadata !DIExpression(), metadata !82, metadata ptr undef, metadata !DIExpression()), !dbg !83
100  call void @llvm.dbg.assign(metadata ptr %this, metadata !56, metadata !DIExpression(), metadata !84, metadata ptr undef, metadata !DIExpression()), !dbg !83
101  %0 = load float, ptr @c, align 4, !dbg !85
102  %arrayidx = getelementptr inbounds %class.d, ptr %this, i64 0, i32 0, i32 0, i64 3, !dbg !86
103  store float %0, ptr %arrayidx, align 4, !dbg !87
104  ret void, !dbg !88
105}
106
107declare void @llvm.dbg.assign(metadata, metadata, metadata, metadata, metadata, metadata) #4
108
109!llvm.dbg.cu = !{!2}
110!llvm.module.flags = !{!7, !8, !9, !1000}
111!llvm.ident = !{!10}
112
113!0 = !DIGlobalVariableExpression(var: !1, expr: !DIExpression())
114!1 = distinct !DIGlobalVariable(name: "c", scope: !2, file: !3, line: 5, type: !6, isLocal: false, isDefinition: true)
115!2 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus, file: !3, producer: "clang version 12.0.0", isOptimized: true, runtimeVersion: 0, emissionKind: FullDebug, enums: !4, globals: !5, splitDebugInlining: false, nameTableKind: None)
116!3 = !DIFile(filename: "test.cpp", directory: "/")
117!4 = !{}
118!5 = !{!0}
119!6 = !DIBasicType(name: "float", size: 32, encoding: DW_ATE_float)
120!7 = !{i32 7, !"Dwarf Version", i32 4}
121!8 = !{i32 2, !"Debug Info Version", i32 3}
122!9 = !{i32 1, !"wchar_size", i32 4}
123!10 = !{!"clang version 12.0.0"}
124!11 = distinct !DISubprogram(name: "g", linkageName: "_Z1gv", scope: !3, file: !3, line: 12, type: !12, scopeLine: 12, flags: DIFlagPrototyped | DIFlagAllCallsDescribed, spFlags: DISPFlagDefinition | DISPFlagOptimized, unit: !2, retainedNodes: !14)
125!12 = !DISubroutineType(types: !13)
126!13 = !{null}
127!14 = !{!15, !30, !31}
128!15 = !DILocalVariable(name: "j", scope: !11, file: !3, line: 13, type: !16)
129!16 = distinct !DICompositeType(tag: DW_TAG_class_type, name: "d", file: !3, line: 6, size: 128, flags: DIFlagTypePassByValue | DIFlagNonTrivial, elements: !17, identifier: "_ZTS1d")
130!17 = !{!18, !25, !29}
131!18 = !DIDerivedType(tag: DW_TAG_inheritance, scope: !16, baseType: !19, extraData: i32 0)
132!19 = distinct !DICompositeType(tag: DW_TAG_class_type, name: "a", file: !3, line: 1, size: 128, flags: DIFlagTypePassByValue, elements: !20, identifier: "_ZTS1a")
133!20 = !{!21}
134!21 = !DIDerivedType(tag: DW_TAG_member, name: "b", scope: !19, file: !3, line: 3, baseType: !22, size: 128, flags: DIFlagProtected)
135!22 = !DICompositeType(tag: DW_TAG_array_type, baseType: !6, size: 128, elements: !23)
136!23 = !{!24}
137!24 = !DISubrange(count: 4)
138!25 = !DISubprogram(name: "d", scope: !16, file: !3, line: 8, type: !26, scopeLine: 8, flags: DIFlagPublic | DIFlagPrototyped, spFlags: DISPFlagOptimized)
139!26 = !DISubroutineType(types: !27)
140!27 = !{null, !28}
141!28 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !16, size: 64, flags: DIFlagArtificial | DIFlagObjectPointer)
142!29 = !DISubprogram(name: "e", linkageName: "_ZN1d1eEv", scope: !16, file: !3, line: 9, type: !26, scopeLine: 9, flags: DIFlagPublic | DIFlagPrototyped, spFlags: DISPFlagOptimized)
143!30 = !DILocalVariable(name: "h", scope: !11, file: !3, line: 13, type: !16)
144!31 = !DILocalVariable(name: "i", scope: !11, file: !3, line: 13, type: !16)
145!32 = distinct !DIAssignID()
146!33 = !DILocation(line: 0, scope: !11)
147!34 = distinct !DIAssignID()
148!35 = distinct !DIAssignID()
149!36 = distinct !DIAssignID()
150!37 = distinct !DIAssignID()
151!38 = !DILocation(line: 13, column: 9, scope: !11)
152!39 = distinct !DIAssignID()
153!40 = distinct !DIAssignID()
154!41 = distinct !DIAssignID()
155!42 = distinct !DIAssignID()
156!43 = !DILocation(line: 13, column: 3, scope: !11)
157!44 = !DILocation(line: 13, column: 25, scope: !11)
158!45 = distinct !DIAssignID()
159!46 = distinct !DIAssignID()
160!47 = !DILocalVariable(name: "this", arg: 1, scope: !48, type: !50, flags: DIFlagArtificial | DIFlagObjectPointer)
161!48 = distinct !DISubprogram(name: "e", linkageName: "_ZN1d1eEv", scope: !16, file: !3, line: 9, type: !26, scopeLine: 9, flags: DIFlagPrototyped | DIFlagAllCallsDescribed, spFlags: DISPFlagDefinition | DISPFlagOptimized, unit: !2, declaration: !29, retainedNodes: !49)
162!49 = !{!47}
163!50 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !16, size: 64)
164!51 = distinct !DIAssignID()
165!52 = !DILocation(line: 0, scope: !48, inlinedAt: !53)
166!53 = distinct !DILocation(line: 14, column: 5, scope: !11)
167!54 = distinct !DIAssignID()
168!55 = !DILocation(line: 15, column: 7, scope: !11)
169!56 = !DILocalVariable(name: "this", arg: 1, scope: !57, type: !50, flags: DIFlagArtificial | DIFlagObjectPointer)
170!57 = distinct !DISubprogram(name: "d", linkageName: "_ZN1dC2Ev", scope: !16, file: !3, line: 8, type: !26, scopeLine: 8, flags: DIFlagPrototyped | DIFlagAllCallsDescribed, spFlags: DISPFlagDefinition | DISPFlagOptimized, unit: !2, declaration: !25, retainedNodes: !58)
171!58 = !{!56}
172!59 = distinct !DIAssignID()
173!60 = !DILocation(line: 0, scope: !57, inlinedAt: !61)
174!61 = distinct !DILocation(line: 15, column: 7, scope: !11)
175!62 = distinct !DIAssignID()
176!63 = !DILocation(line: 8, column: 16, scope: !64, inlinedAt: !61)
177!64 = distinct !DILexicalBlock(scope: !57, file: !3, line: 8, column: 7)
178!69 = !DILocation(line: 8, column: 9, scope: !64, inlinedAt: !61)
179!70 = !DILocation(line: 8, column: 14, scope: !64, inlinedAt: !61)
180!71 = !DILocation(line: 15, column: 5, scope: !11)
181!72 = distinct !DIAssignID()
182!73 = !DILocation(line: 15, column: 3, scope: !11)
183!74 = !DILocation(line: 16, column: 1, scope: !11)
184!75 = !DISubprogram(name: "f", linkageName: "_Z1fv", scope: !3, file: !3, line: 11, type: !76, flags: DIFlagPrototyped, spFlags: DISPFlagOptimized, retainedNodes: !4)
185!76 = !DISubroutineType(types: !77)
186!77 = !{!16}
187!78 = distinct !DIAssignID()
188!79 = !DILocation(line: 0, scope: !48)
189!80 = distinct !DIAssignID()
190!81 = !DILocation(line: 9, column: 13, scope: !48)
191!82 = distinct !DIAssignID()
192!83 = !DILocation(line: 0, scope: !57)
193!84 = distinct !DIAssignID()
194!85 = !DILocation(line: 8, column: 16, scope: !64)
195!86 = !DILocation(line: 8, column: 9, scope: !64)
196!87 = !DILocation(line: 8, column: 14, scope: !64)
197!88 = !DILocation(line: 8, column: 19, scope: !57)
198
199!1000 = !{i32 7, !"debug-info-assignment-tracking", i1 true}
200