xref: /llvm-project/llvm/test/DebugInfo/COFF/types-array-advanced.ll (revision 5a288fa32e0c91b211e39f3e370255916902f898) 
1; RUN: llc < %s -filetype=obj -experimental-debug-variable-locations=true | llvm-readobj - --codeview | FileCheck %s
2; RUN: llc < %s -experimental-debug-variable-locations=true | llvm-mc -filetype=obj --triple=i686-windows | llvm-readobj - --codeview | FileCheck %s
3
4; C++ source to regenerate:
5; $ cat t.cpp
6; char multi_dim_arr[2][5][7];
7;
8; struct incomplete_struct(*p_incomplete_struct_arr)[3];
9; struct incomplete_struct {
10;   int s1;
11; } incomplete_struct_arr[3];
12;
13; void foo(int x) {
14;   int dyn_size_arr[x];
15;   dyn_size_arr[0] = 0;
16; }
17;
18; typedef const volatile int T_INT;
19; T_INT typedef_arr[4] = {0};
20; $ clang t.cpp -S -emit-llvm -g -gcodeview -o t.ll
21
22; CHECK: CodeViewTypes [
23; CHECK:   Section: .debug$T (6)
24; CHECK:   Magic: 0x4
25; CHECK:   ArgList (0x1000) {
26; CHECK:     TypeLeafKind: LF_ARGLIST (0x1201)
27; CHECK:     NumArgs: 1
28; CHECK:     Arguments [
29; CHECK:       ArgType: int (0x74)
30; CHECK:     ]
31; CHECK:   }
32; CHECK:   Procedure (0x1001) {
33; CHECK:     TypeLeafKind: LF_PROCEDURE (0x1008)
34; CHECK:     ReturnType: void (0x3)
35; CHECK:     CallingConvention: NearC (0x0)
36; CHECK:     FunctionOptions [ (0x0)
37; CHECK:     ]
38; CHECK:     NumParameters: 1
39; CHECK:     ArgListType: (int) (0x1000)
40; CHECK:   }
41; CHECK:   FuncId (0x1002) {
42; CHECK:     TypeLeafKind: LF_FUNC_ID (0x1601)
43; CHECK:     ParentScope: 0x0
44; CHECK:     FunctionType: void (int) (0x1001)
45; CHECK:     Name: foo
46; CHECK:   }
47; CHECK:   Array (0x1003) {
48; CHECK:     TypeLeafKind: LF_ARRAY (0x1503)
49; CHECK:     ElementType: int (0x74)
50; CHECK:     IndexType: unsigned long (0x22)
51; CHECK:     SizeOf: 0
52; CHECK:     Name:
53; CHECK:   }
54; CHECK:   Pointer (0x1004) {
55; CHECK:     TypeLeafKind: LF_POINTER (0x1002)
56; CHECK:     PointeeType: 0x1003
57; CHECK:     PtrType: Near32 (0xA)
58; CHECK:     PtrMode: LValueReference (0x1)
59; CHECK:     IsFlat: 0
60; CHECK:     IsConst: 0
61; CHECK:     IsVolatile: 0
62; CHECK:     IsUnaligned: 0
63; CHECK:     SizeOf: 0
64; CHECK:   }
65; CHECK:   Array (0x1005) {
66; CHECK:     TypeLeafKind: LF_ARRAY (0x1503)
67; CHECK:     ElementType: char (0x70)
68; CHECK:     IndexType: unsigned long (0x22)
69; CHECK:     SizeOf: 7
70; CHECK:     Name:
71; CHECK:   }
72; CHECK:   Array (0x1006) {
73; CHECK:     TypeLeafKind: LF_ARRAY (0x1503)
74; CHECK:     ElementType: 0x1005
75; CHECK:     IndexType: unsigned long (0x22)
76; CHECK:     SizeOf: 35
77; CHECK:     Name:
78; CHECK:   }
79; CHECK:   Array (0x1007) {
80; CHECK:     TypeLeafKind: LF_ARRAY (0x1503)
81; CHECK:     ElementType: 0x1006
82; CHECK:     IndexType: unsigned long (0x22)
83; CHECK:     SizeOf: 70
84; CHECK:     Name:
85; CHECK:   }
86; CHECK:   Struct (0x1008) {
87; CHECK:     TypeLeafKind: LF_STRUCTURE (0x1505)
88; CHECK:     MemberCount: 0
89; CHECK:     Properties [ (0x280)
90; CHECK:       ForwardReference (0x80)
91; CHECK:       HasUniqueName (0x200)
92; CHECK:     ]
93; CHECK:     FieldList: 0x0
94; CHECK:     DerivedFrom: 0x0
95; CHECK:     VShape: 0x0
96; CHECK:     SizeOf: 0
97; CHECK:     Name: incomplete_struct
98; CHECK:     LinkageName: .?AUincomplete_struct@@
99; CHECK:   }
100; CHECK:   Array (0x1009) {
101; CHECK:     TypeLeafKind: LF_ARRAY (0x1503)
102; CHECK:     ElementType: incomplete_struct (0x1008)
103; CHECK:     IndexType: unsigned long (0x22)
104; CHECK:     SizeOf: 12
105; CHECK:     Name:
106; CHECK:   }
107; CHECK:   Pointer (0x100A) {
108; CHECK:     TypeLeafKind: LF_POINTER (0x1002)
109; CHECK:     PointeeType: 0x1009
110; CHECK:     PtrType: Near32 (0xA)
111; CHECK:     PtrMode: Pointer (0x0)
112; CHECK:     IsFlat: 0
113; CHECK:     IsConst: 0
114; CHECK:     IsVolatile: 0
115; CHECK:     IsUnaligned: 0
116; CHECK:     SizeOf: 4
117; CHECK:   }
118; CHECK:   FieldList (0x100B) {
119; CHECK:     TypeLeafKind: LF_FIELDLIST (0x1203)
120; CHECK:     DataMember {
121; CHECK:       TypeLeafKind: LF_MEMBER (0x150D)
122; CHECK:       AccessSpecifier: Public (0x3)
123; CHECK:       Type: int (0x74)
124; CHECK:       FieldOffset: 0x0
125; CHECK:       Name: s1
126; CHECK:     }
127; CHECK:   }
128; CHECK:   Struct (0x100C) {
129; CHECK:     TypeLeafKind: LF_STRUCTURE (0x1505)
130; CHECK:     MemberCount: 1
131; CHECK:     Properties [ (0x200)
132; CHECK:       HasUniqueName (0x200)
133; CHECK:     ]
134; CHECK:     FieldList: <field list> (0x100B)
135; CHECK:     DerivedFrom: 0x0
136; CHECK:     VShape: 0x0
137; CHECK:     SizeOf: 4
138; CHECK:     Name: incomplete_struct
139; CHECK:     LinkageName: .?AUincomplete_struct@@
140; CHECK:   }
141; CHECK:   StringId (0x100D) {
142; CHECK:     TypeLeafKind: LF_STRING_ID (0x1605)
143; CHECK:     Id: 0x0
144; CHECK:     StringData: /t.cpp
145; CHECK:   }
146; CHECK:   UdtSourceLine (0x100E) {
147; CHECK:     TypeLeafKind: LF_UDT_SRC_LINE (0x1606)
148; CHECK:     UDT: incomplete_struct (0x100C)
149; CHECK:     SourceFile: /t.cpp (0x100D)
150; CHECK:     LineNumber: 4
151; CHECK:   }
152; CHECK:   Modifier (0x100F) {
153; CHECK:     TypeLeafKind: LF_MODIFIER (0x1001)
154; CHECK:     ModifiedType: int (0x74)
155; CHECK:     Modifiers [ (0x3)
156; CHECK:       Const (0x1)
157; CHECK:       Volatile (0x2)
158; CHECK:     ]
159; CHECK:   }
160; CHECK:   Array (0x1010) {
161; CHECK:     TypeLeafKind: LF_ARRAY (0x1503)
162; CHECK:     ElementType: const volatile int (0x100F)
163; CHECK:     IndexType: unsigned long (0x22)
164; CHECK:     SizeOf: 16
165; CHECK:     Name:
166; CHECK:   }
167; CHECK: ]
168
169source_filename = "test/DebugInfo/COFF/types-array-advanced.ll"
170target datalayout = "e-m:x-p:32:32-i64:64-f80:32-n8:16:32-a:0:32-S32"
171target triple = "i686-pc-windows-msvc18.0.31101"
172
173%struct.incomplete_struct = type { i32 }
174
175@"\01?multi_dim_arr@@3PAY146DA" = global [2 x [5 x [7 x i8]]] zeroinitializer, align 1, !dbg !0
176@"\01?p_incomplete_struct_arr@@3PAY02Uincomplete_struct@@A" = global ptr null, align 4, !dbg !6
177@"\01?incomplete_struct_arr@@3PAUincomplete_struct@@A" = global [3 x %struct.incomplete_struct] zeroinitializer, align 4, !dbg !16
178@"\01?typedef_arr@@3SDHD" = constant [4 x i32] zeroinitializer, align 4, !dbg !18
179
180; Function Attrs: nounwind
181define void @"\01?foo@@YAXH@Z"(i32 %x) #0 !dbg !35 {
182entry:
183  %x.addr = alloca i32, align 4
184  %saved_stack = alloca ptr, align 4
185  store i32 %x, ptr %x.addr, align 4
186  call void @llvm.dbg.declare(metadata ptr %x.addr, metadata !38, metadata !39), !dbg !40
187  %0 = load i32, ptr %x.addr, align 4, !dbg !41
188  %1 = call ptr @llvm.stacksave(), !dbg !42
189  store ptr %1, ptr %saved_stack, align 4, !dbg !42
190  %vla = alloca i32, i32 %0, align 4, !dbg !42
191  call void @llvm.dbg.declare(metadata ptr %vla, metadata !43, metadata !47), !dbg !48
192  store i32 0, ptr %vla, align 4, !dbg !50
193  %2 = load ptr, ptr %saved_stack, align 4, !dbg !51
194  call void @llvm.stackrestore(ptr %2), !dbg !51
195  ret void, !dbg !51
196}
197
198; Function Attrs: nounwind readnone
199declare void @llvm.dbg.declare(metadata, metadata, metadata) #1
200
201; Function Attrs: nounwind
202declare ptr @llvm.stacksave() #0
203
204; Function Attrs: nounwind
205declare void @llvm.stackrestore(ptr) #0
206
207attributes #0 = { nounwind }
208attributes #1 = { nounwind readnone }
209
210!llvm.dbg.cu = !{!2}
211!llvm.module.flags = !{!32, !33}
212!llvm.ident = !{!34}
213
214!0 = distinct !DIGlobalVariableExpression(var: !1, expr: !DIExpression())
215!1 = !DIGlobalVariable(name: "multi_dim_arr", linkageName: "\01?multi_dim_arr@@3PAY146DA", scope: !2, file: !3, line: 1, type: !26, isLocal: false, isDefinition: true)
216!2 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus, file: !3, producer: "clang version 3.9.0 (trunk 273874)", isOptimized: false, runtimeVersion: 0, emissionKind: FullDebug, enums: !4, globals: !5)
217!3 = !DIFile(filename: "t.cpp", directory: "/")
218!4 = !{}
219!5 = !{!0, !6, !16, !18}
220!6 = distinct !DIGlobalVariableExpression(var: !7, expr: !DIExpression())
221!7 = !DIGlobalVariable(name: "p_incomplete_struct_arr", linkageName: "\01?p_incomplete_struct_arr@@3PAY02Uincomplete_struct@@A", scope: !2, file: !3, line: 3, type: !8, isLocal: false, isDefinition: true)
222!8 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !9, size: 32, align: 32)
223!9 = !DICompositeType(tag: DW_TAG_array_type, baseType: !10, elements: !14)
224!10 = distinct !DICompositeType(tag: DW_TAG_structure_type, name: "incomplete_struct", file: !3, line: 4, size: 32, align: 32, elements: !11, identifier: ".?AUincomplete_struct@@")
225!11 = !{!12}
226!12 = !DIDerivedType(tag: DW_TAG_member, name: "s1", scope: !10, file: !3, line: 5, baseType: !13, size: 32, align: 32)
227!13 = !DIBasicType(name: "int", size: 32, align: 32, encoding: DW_ATE_signed)
228!14 = !{!15}
229!15 = !DISubrange(count: 3)
230!16 = distinct !DIGlobalVariableExpression(var: !17, expr: !DIExpression())
231!17 = !DIGlobalVariable(name: "incomplete_struct_arr", linkageName: "\01?incomplete_struct_arr@@3PAUincomplete_struct@@A", scope: !2, file: !3, line: 6, type: !9, isLocal: false, isDefinition: true)
232!18 = distinct !DIGlobalVariableExpression(var: !19, expr: !DIExpression())
233!19 = !DIGlobalVariable(name: "typedef_arr", linkageName: "\01?typedef_arr@@3SDHD", scope: !2, file: !3, line: 14, type: !20, isLocal: false, isDefinition: true)
234!20 = !DICompositeType(tag: DW_TAG_array_type, baseType: !21, size: 128, align: 32, elements: !24)
235!21 = !DIDerivedType(tag: DW_TAG_typedef, name: "T_INT", file: !3, line: 13, baseType: !22)
236!22 = !DIDerivedType(tag: DW_TAG_const_type, baseType: !23)
237!23 = !DIDerivedType(tag: DW_TAG_volatile_type, baseType: !13)
238!24 = !{!25}
239!25 = !DISubrange(count: 4)
240!26 = !DICompositeType(tag: DW_TAG_array_type, baseType: !27, size: 560, align: 8, elements: !28)
241!27 = !DIBasicType(name: "char", size: 8, align: 8, encoding: DW_ATE_signed_char)
242!28 = !{!29, !30, !31}
243!29 = !DISubrange(count: 2)
244!30 = !DISubrange(count: 5)
245!31 = !DISubrange(count: 7)
246!32 = !{i32 2, !"CodeView", i32 1}
247!33 = !{i32 2, !"Debug Info Version", i32 3}
248!34 = !{!"clang version 3.9.0 (trunk 273874)"}
249!35 = distinct !DISubprogram(name: "foo", linkageName: "\01?foo@@YAXH@Z", scope: !3, file: !3, line: 8, type: !36, isLocal: false, isDefinition: true, scopeLine: 8, flags: DIFlagPrototyped, isOptimized: false, unit: !2, retainedNodes: !4)
250!36 = !DISubroutineType(types: !37)
251!37 = !{null, !13}
252!38 = !DILocalVariable(name: "x", arg: 1, scope: !35, file: !3, line: 8, type: !13)
253!39 = !DIExpression()
254!40 = !DILocation(line: 8, column: 14, scope: !35)
255!41 = !DILocation(line: 9, column: 21, scope: !35)
256!42 = !DILocation(line: 9, column: 4, scope: !35)
257!43 = !DILocalVariable(name: "dyn_size_arr", scope: !35, file: !3, line: 9, type: !44)
258!44 = !DICompositeType(tag: DW_TAG_array_type, baseType: !13, align: 32, elements: !45)
259!45 = !{!46}
260!46 = !DISubrange(count: -1)
261!47 = !DIExpression(DW_OP_deref)
262!48 = !DILocation(line: 9, column: 8, scope: !35)
263!49 = !DILocation(line: 10, column: 4, scope: !35)
264!50 = !DILocation(line: 10, column: 20, scope: !35)
265!51 = !DILocation(line: 11, column: 1, scope: !35)
266
267