• Home
  • Line#
  • Scopes#
  • Navigate#
  • Raw
  • Download
1; RUN: llc -O0 -filetype=obj < %s | llvm-dwarfdump - | FileCheck %s
2; Test that a variable with multiple entries in the MMI table makes it into the
3; debug info.
4;
5; CHECK: DW_TAG_inlined_subroutine
6; CHECK:    "_Z3f111A"
7; CHECK: DW_TAG_formal_parameter
8; CHECK: DW_AT_location [DW_FORM_block1]    (<0x0b> 91 51 9d 78 08 91 4a 9d 38 88 01 )
9;  -- fbreg -47, bit-piece 120 8 , fbreg -54, bit-piece 56 136 ------^
10; CHECK: DW_AT_abstract_origin {{.*}} "p1"
11;
12; long a;
13; struct A {
14;   bool x4;
15;   void *x5;
16;   bool x6;
17; };
18; int *b;
19; struct B {
20;   B(long);
21;   ~B();
22; };
23; void f9(A);
24; void f13(A p1) {
25;   b = (int *)__builtin_operator_new(a);
26;   f9(p1);
27; }
28; void f11(A p1) { f13(p1); }
29; void f16() {
30;   A c;
31;   B d(a);
32;   c.x6 = c.x4 = true;
33;   f11(c);
34; }
35; ModuleID = 'test.cpp'
36target datalayout = "e-m:o-i64:64-i128:128-n32:64-S128"
37target triple = "aarch64-apple-ios"
38
39%struct.A = type { i8, i8*, i8 }
40%struct.B = type { i8 }
41
42@a = global i64 0, align 8
43@b = global i32* null, align 8
44
45define void @_Z3f131A(%struct.A* nocapture readonly %p1) #0 !dbg !25 {
46entry:
47  %agg.tmp = alloca %struct.A, align 8
48  tail call void @llvm.dbg.declare(metadata %struct.A* %p1, metadata !30, metadata !46), !dbg !47
49  %0 = load i64, i64* @a, align 8, !dbg !48, !tbaa !49
50  %call = tail call noalias i8* @_Znwm(i64 %0) #5, !dbg !53
51  store i8* %call, i8** bitcast (i32** @b to i8**), align 8, !dbg !54, !tbaa !55
52  %1 = getelementptr inbounds %struct.A, %struct.A* %agg.tmp, i64 0, i32 0, !dbg !57
53  %2 = getelementptr inbounds %struct.A, %struct.A* %p1, i64 0, i32 0, !dbg !57
54  call void @llvm.memcpy.p0i8.p0i8.i64(i8* %1, i8* %2, i64 24, i32 8, i1 false), !dbg !57, !tbaa.struct !58
55  call void @_Z2f91A(%struct.A* %agg.tmp), !dbg !61
56  ret void, !dbg !62
57}
58
59; Function Attrs: nounwind readnone
60declare void @llvm.dbg.declare(metadata, metadata, metadata) #1
61
62; Function Attrs: nobuiltin
63declare noalias i8* @_Znwm(i64) #2
64
65declare void @_Z2f91A(%struct.A*) #0
66
67; Function Attrs: nounwind
68declare void @llvm.memcpy.p0i8.p0i8.i64(i8* nocapture, i8* nocapture readonly, i64, i32, i1) #3
69
70define void @_Z3f111A(%struct.A* nocapture readonly %p1) #0 !dbg !31 {
71entry:
72  %agg.tmp.i = alloca %struct.A, align 8
73  tail call void @llvm.dbg.declare(metadata %struct.A* %p1, metadata !33, metadata !46), !dbg !63
74  %0 = getelementptr inbounds %struct.A, %struct.A* %p1, i64 0, i32 0, !dbg !64
75  %1 = getelementptr inbounds %struct.A, %struct.A* %agg.tmp.i, i64 0, i32 0, !dbg !65
76  call void @llvm.lifetime.start(i64 24, i8* %1), !dbg !65
77  %2 = load i64, i64* @a, align 8, !dbg !67, !tbaa !49
78  %call.i = tail call noalias i8* @_Znwm(i64 %2) #5, !dbg !68
79  store i8* %call.i, i8** bitcast (i32** @b to i8**), align 8, !dbg !69, !tbaa !55
80  call void @llvm.memcpy.p0i8.p0i8.i64(i8* %1, i8* %0, i64 24, i32 8, i1 false), !dbg !70
81  call void @_Z2f91A(%struct.A* %agg.tmp.i), !dbg !71
82  call void @llvm.lifetime.end(i64 24, i8* %1), !dbg !72
83  ret void, !dbg !73
84}
85
86define void @_Z3f16v() #0 personality i8* bitcast (i32 (...)* @__gxx_personality_v0 to i8*) !dbg !34 {
87entry:
88  %agg.tmp.i.i = alloca %struct.A, align 8
89  %d = alloca %struct.B, align 1
90  %agg.tmp.sroa.2 = alloca [15 x i8], align 1
91  %agg.tmp.sroa.4 = alloca [7 x i8], align 1
92  tail call void @llvm.dbg.declare(metadata [15 x i8]* %agg.tmp.sroa.2, metadata !74, metadata !76), !dbg !77
93  tail call void @llvm.dbg.declare(metadata [7 x i8]* %agg.tmp.sroa.4, metadata !74, metadata !78), !dbg !77
94  tail call void @llvm.dbg.declare(metadata %struct.A* undef, metadata !38, metadata !79), !dbg !80
95  %0 = load i64, i64* @a, align 8, !dbg !81, !tbaa !49
96  tail call void @llvm.dbg.value(metadata %struct.B* %d, i64 0, metadata !39, metadata !79), !dbg !82
97  %call = call %struct.B* @_ZN1BC1El(%struct.B* %d, i64 %0), !dbg !82
98  call void @llvm.dbg.value(metadata i8 1, i64 0, metadata !38, metadata !83), !dbg !80
99  call void @llvm.dbg.value(metadata i8 1, i64 0, metadata !38, metadata !84), !dbg !80
100  call void @llvm.dbg.value(metadata i8 1, i64 0, metadata !74, metadata !83), !dbg !77
101  call void @llvm.dbg.value(metadata i8 1, i64 0, metadata !74, metadata !84), !dbg !77
102  call void @llvm.dbg.declare(metadata %struct.A* undef, metadata !74, metadata !46), !dbg !77
103  %1 = getelementptr inbounds %struct.A, %struct.A* %agg.tmp.i.i, i64 0, i32 0, !dbg !85
104  call void @llvm.lifetime.start(i64 24, i8* %1), !dbg !85
105  %2 = load i64, i64* @a, align 8, !dbg !87, !tbaa !49
106  %call.i.i5 = invoke noalias i8* @_Znwm(i64 %2) #5
107          to label %call.i.i.noexc unwind label %lpad, !dbg !88
108
109call.i.i.noexc:                                   ; preds = %entry
110  %agg.tmp.sroa.4.17..sroa_idx = getelementptr inbounds [7 x i8], [7 x i8]* %agg.tmp.sroa.4, i64 0, i64 0, !dbg !89
111  %agg.tmp.sroa.2.1..sroa_idx = getelementptr inbounds [15 x i8], [15 x i8]* %agg.tmp.sroa.2, i64 0, i64 0, !dbg !89
112  store i8* %call.i.i5, i8** bitcast (i32** @b to i8**), align 8, !dbg !90, !tbaa !55
113  store i8 1, i8* %1, align 8, !dbg !91
114  %agg.tmp.sroa.2.0..sroa_raw_idx = getelementptr inbounds i8, i8* %1, i64 1, !dbg !91
115  call void @llvm.memcpy.p0i8.p0i8.i64(i8* %agg.tmp.sroa.2.0..sroa_raw_idx, i8* %agg.tmp.sroa.2.1..sroa_idx, i64 15, i32 1, i1 false), !dbg !91
116  %agg.tmp.sroa.3.0..sroa_idx = getelementptr inbounds %struct.A, %struct.A* %agg.tmp.i.i, i64 0, i32 2, !dbg !91
117  store i8 1, i8* %agg.tmp.sroa.3.0..sroa_idx, align 8, !dbg !91
118  %agg.tmp.sroa.4.0..sroa_raw_idx = getelementptr inbounds i8, i8* %1, i64 17, !dbg !91
119  call void @llvm.memcpy.p0i8.p0i8.i64(i8* %agg.tmp.sroa.4.0..sroa_raw_idx, i8* %agg.tmp.sroa.4.17..sroa_idx, i64 7, i32 1, i1 false), !dbg !91
120  invoke void @_Z2f91A(%struct.A* %agg.tmp.i.i)
121          to label %invoke.cont unwind label %lpad, !dbg !92
122
123invoke.cont:                                      ; preds = %call.i.i.noexc
124  call void @llvm.lifetime.end(i64 24, i8* %1), !dbg !93
125  call void @llvm.dbg.value(metadata %struct.B* %d, i64 0, metadata !39, metadata !79), !dbg !82
126  %call1 = call %struct.B* @_ZN1BD1Ev(%struct.B* %d) #3, !dbg !94
127  ret void, !dbg !94
128
129lpad:                                             ; preds = %call.i.i.noexc, %entry
130  %3 = landingpad { i8*, i32 }
131          cleanup, !dbg !94
132  call void @llvm.dbg.value(metadata %struct.B* %d, i64 0, metadata !39, metadata !79), !dbg !82
133  %call2 = call %struct.B* @_ZN1BD1Ev(%struct.B* %d) #3, !dbg !94
134  resume { i8*, i32 } %3, !dbg !94
135}
136
137declare %struct.B* @_ZN1BC1El(%struct.B*, i64)
138
139declare i32 @__gxx_personality_v0(...)
140
141; Function Attrs: nounwind
142declare %struct.B* @_ZN1BD1Ev(%struct.B*) #4
143
144; Function Attrs: nounwind readnone
145declare void @llvm.dbg.value(metadata, i64, metadata, metadata) #1
146
147; Function Attrs: nounwind
148declare void @llvm.lifetime.start(i64, i8* nocapture) #3
149
150; Function Attrs: nounwind
151declare void @llvm.lifetime.end(i64, i8* nocapture) #3
152
153attributes #1 = { nounwind readnone }
154attributes #2 = { nobuiltin }
155attributes #3 = { nounwind }
156attributes #4 = { nounwind  }
157attributes #5 = { builtin }
158
159!llvm.dbg.cu = !{!0}
160!llvm.module.flags = !{!43, !44}
161!llvm.ident = !{!45}
162
163!0 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus, producer: "clang version 3.7.0 ", isOptimized: true, emissionKind: 1, file: !1, enums: !2, retainedTypes: !3, subprograms: !24, globals: !40, imports: !2)
164!1 = !DIFile(filename: "<stdin>", directory: "")
165!2 = !{}
166!3 = !{!4, !12, !14}
167!4 = !DICompositeType(tag: DW_TAG_structure_type, name: "A", line: 2, size: 192, align: 64, file: !5, elements: !6, identifier: "_ZTS1A")
168!5 = !DIFile(filename: "test.cpp", directory: "")
169!6 = !{!7, !9, !11}
170!7 = !DIDerivedType(tag: DW_TAG_member, name: "x4", line: 3, size: 8, align: 8, file: !5, scope: !"_ZTS1A", baseType: !8)
171!8 = !DIBasicType(tag: DW_TAG_base_type, name: "bool", size: 8, align: 8, encoding: DW_ATE_boolean)
172!9 = !DIDerivedType(tag: DW_TAG_member, name: "x5", line: 4, size: 64, align: 64, offset: 64, file: !5, scope: !"_ZTS1A", baseType: !10)
173!10 = !DIDerivedType(tag: DW_TAG_pointer_type, size: 64, align: 64, baseType: null)
174!11 = !DIDerivedType(tag: DW_TAG_member, name: "x6", line: 5, size: 8, align: 8, offset: 128, file: !5, scope: !"_ZTS1A", baseType: !8)
175!12 = !DIDerivedType(tag: DW_TAG_pointer_type, size: 64, align: 64, baseType: !13)
176!13 = !DIBasicType(tag: DW_TAG_base_type, name: "int", size: 32, align: 32, encoding: DW_ATE_signed)
177!14 = !DICompositeType(tag: DW_TAG_structure_type, name: "B", line: 8, size: 8, align: 8, file: !5, elements: !15, identifier: "_ZTS1B")
178!15 = !{!16, !21}
179!16 = !DISubprogram(name: "B", line: 9, isLocal: false, isDefinition: false, flags: DIFlagPrototyped, isOptimized: true, scopeLine: 9, file: !5, scope: !"_ZTS1B", type: !17)
180!17 = !DISubroutineType(types: !18)
181!18 = !{null, !19, !20}
182!19 = !DIDerivedType(tag: DW_TAG_pointer_type, size: 64, align: 64, flags: DIFlagArtificial | DIFlagObjectPointer, baseType: !"_ZTS1B")
183!20 = !DIBasicType(tag: DW_TAG_base_type, name: "long int", size: 64, align: 64, encoding: DW_ATE_signed)
184!21 = !DISubprogram(name: "~B", line: 10, isLocal: false, isDefinition: false, flags: DIFlagPrototyped, isOptimized: true, scopeLine: 10, file: !5, scope: !"_ZTS1B", type: !22)
185!22 = !DISubroutineType(types: !23)
186!23 = !{null, !19}
187!24 = !{!25, !31, !34}
188!25 = distinct !DISubprogram(name: "f13", linkageName: "_Z3f131A", line: 13, isLocal: false, isDefinition: true, flags: DIFlagPrototyped, isOptimized: true, scopeLine: 13, file: !5, scope: !26, type: !27, variables: !29)
189!26 = !DIFile(filename: "test.cpp", directory: "")
190!27 = !DISubroutineType(types: !28)
191!28 = !{null, !"_ZTS1A"}
192!29 = !{!30}
193!30 = !DILocalVariable(name: "p1", line: 13, arg: 1, scope: !25, file: !26, type: !"_ZTS1A")
194!31 = distinct !DISubprogram(name: "f11", linkageName: "_Z3f111A", line: 17, isLocal: false, isDefinition: true, flags: DIFlagPrototyped, isOptimized: true, scopeLine: 17, file: !5, scope: !26, type: !27, variables: !32)
195!32 = !{!33}
196!33 = !DILocalVariable(name: "p1", line: 17, arg: 1, scope: !31, file: !26, type: !"_ZTS1A")
197!34 = distinct !DISubprogram(name: "f16", linkageName: "_Z3f16v", line: 18, isLocal: false, isDefinition: true, flags: DIFlagPrototyped, isOptimized: true, scopeLine: 18, file: !5, scope: !26, type: !35, variables: !37)
198!35 = !DISubroutineType(types: !36)
199!36 = !{null}
200!37 = !{!38, !39}
201!38 = !DILocalVariable(name: "c", line: 19, scope: !34, file: !26, type: !"_ZTS1A")
202!39 = !DILocalVariable(name: "d", line: 20, scope: !34, file: !26, type: !"_ZTS1B")
203!40 = !{!41, !42}
204!41 = !DIGlobalVariable(name: "a", line: 1, isLocal: false, isDefinition: true, scope: null, file: !26, type: !20, variable: i64* @a)
205!42 = !DIGlobalVariable(name: "b", line: 7, isLocal: false, isDefinition: true, scope: null, file: !26, type: !12, variable: i32** @b)
206!43 = !{i32 2, !"Dwarf Version", i32 2}
207!44 = !{i32 2, !"Debug Info Version", i32 3}
208!45 = !{!"clang version 3.7.0 "}
209!46 = !DIExpression(DW_OP_deref)
210!47 = !DILocation(line: 13, column: 12, scope: !25)
211!48 = !DILocation(line: 14, column: 37, scope: !25)
212!49 = !{!50, !50, i64 0}
213!50 = !{!"long", !51, i64 0}
214!51 = !{!"omnipotent char", !52, i64 0}
215!52 = !{!"Simple C/C++ TBAA"}
216!53 = !DILocation(line: 14, column: 14, scope: !25)
217!54 = !DILocation(line: 14, column: 5, scope: !25)
218!55 = !{!56, !56, i64 0}
219!56 = !{!"any pointer", !51, i64 0}
220!57 = !DILocation(line: 15, column: 6, scope: !25)
221!58 = !{i64 0, i64 1, !59, i64 8, i64 8, !55, i64 16, i64 1, !59}
222!59 = !{!60, !60, i64 0}
223!60 = !{!"bool", !51, i64 0}
224!61 = !DILocation(line: 15, column: 3, scope: !25)
225!62 = !DILocation(line: 16, column: 1, scope: !25)
226!63 = !DILocation(line: 17, column: 12, scope: !31)
227!64 = !DILocation(line: 17, column: 22, scope: !31)
228!65 = !DILocation(line: 13, column: 12, scope: !25, inlinedAt: !66)
229!66 = distinct !DILocation(line: 17, column: 18, scope: !31)
230!67 = !DILocation(line: 14, column: 37, scope: !25, inlinedAt: !66)
231!68 = !DILocation(line: 14, column: 14, scope: !25, inlinedAt: !66)
232!69 = !DILocation(line: 14, column: 5, scope: !25, inlinedAt: !66)
233!70 = !DILocation(line: 15, column: 6, scope: !25, inlinedAt: !66)
234!71 = !DILocation(line: 15, column: 3, scope: !25, inlinedAt: !66)
235!72 = !DILocation(line: 16, column: 1, scope: !25, inlinedAt: !66)
236!73 = !DILocation(line: 17, column: 27, scope: !31)
237!74 = !DILocalVariable(name: "p1", line: 17, arg: 1, scope: !31, file: !26, type: !"_ZTS1A")
238!75 = distinct !DILocation(line: 22, column: 3, scope: !34)
239!76 = !DIExpression(DW_OP_bit_piece, 8, 120)
240!77 = !DILocation(line: 17, column: 12, scope: !31, inlinedAt: !75)
241!78 = !DIExpression(DW_OP_bit_piece, 136, 56)
242!79 = !DIExpression()
243!80 = !DILocation(line: 19, column: 5, scope: !34)
244!81 = !DILocation(line: 20, column: 7, scope: !34)
245!82 = !DILocation(line: 20, column: 5, scope: !34)
246!83 = !DIExpression(DW_OP_bit_piece, 0, 8)
247!84 = !DIExpression(DW_OP_bit_piece, 128, 8)
248!85 = !DILocation(line: 13, column: 12, scope: !25, inlinedAt: !86)
249!86 = distinct !DILocation(line: 17, column: 18, scope: !31, inlinedAt: !75)
250!87 = !DILocation(line: 14, column: 37, scope: !25, inlinedAt: !86)
251!88 = !DILocation(line: 14, column: 14, scope: !25, inlinedAt: !86)
252!89 = !DILocation(line: 22, column: 7, scope: !34)
253!90 = !DILocation(line: 14, column: 5, scope: !25, inlinedAt: !86)
254!91 = !DILocation(line: 15, column: 6, scope: !25, inlinedAt: !86)
255!92 = !DILocation(line: 15, column: 3, scope: !25, inlinedAt: !86)
256!93 = !DILocation(line: 16, column: 1, scope: !25, inlinedAt: !86)
257!94 = !DILocation(line: 23, column: 1, scope: !34)
258