1; RUN: llc < %s -filetype=obj | llvm-readobj - -codeview | FileCheck %s
2
3; C++ source to regenerate:
4; $ cat t.cpp
5; #pragma pack(1)
6; struct S0 {
7;   char : 8;
8;   short   : 8;
9;   short x : 8;
10; } s0;
11;
12; #pragma pack(1)
13; struct S1 {
14;   char x1[2];
15;   char x2;
16;   int y : 23;
17;   int z : 23;
18;   int w : 2;
19;   struct { char c; short s; } v;
20;   short u : 3;
21; } s1;
22;
23; #pragma pack(1)
24; struct S2 {
25;   char : 0;
26;   int y : 1;
27; } s2;
28; $ clang t.cpp -S -emit-llvm -g -gcodeview -o t.ll
29
30; CHECK: CodeViewTypes [
31; CHECK:  BitField ([[S0_x:.*]]) {
32; CHECK:    TypeLeafKind: LF_BITFIELD (0x1205)
33; CHECK:    Type: short (0x11)
34; CHECK:    BitSize: 8
35; CHECK:    BitOffset: 8
36; CHECK:  }
37; CHECK:  FieldList ([[S0_fl:.*]]) {
38; CHECK:    TypeLeafKind: LF_FIELDLIST (0x1203)
39; CHECK:    DataMember {
40; CHECK:      Type: [[S0_x:.*]]
41; CHECK:      FieldOffset: 0x1
42; CHECK:      Name: x
43; CHECK:    }
44; CHECK:  }
45; CHECK:  Struct ({{.*}}) {
46; CHECK:    TypeLeafKind: LF_STRUCTURE (0x1505)
47; CHECK:    MemberCount: 1
48; CHECK:    Properties [ (0x0)
49; CHECK:    ]
50; CHECK:    FieldList: <field list> ([[S0_fl]])
51; CHECK:    SizeOf: 3
52; CHECK:    Name: S0
53; CHECK:  }
54; CHECK:  BitField ([[S1_y_z:.*]]) {
55; CHECK:    TypeLeafKind: LF_BITFIELD (0x1205)
56; CHECK:    Type: int (0x74)
57; CHECK:    BitSize: 23
58; CHECK:    BitOffset: 0
59; CHECK:  }
60; CHECK:  BitField ([[S1_w:.*]]) {
61; CHECK:    TypeLeafKind: LF_BITFIELD (0x1205)
62; CHECK:    Type: int (0x74)
63; CHECK:    BitSize: 2
64; CHECK:    BitOffset: 23
65; CHECK:  }
66; CHECK:  Struct ([[anon_ty:.*]]) {
67; CHECK:    TypeLeafKind: LF_STRUCTURE (0x1505)
68; CHECK:    MemberCount: 0
69; CHECK:    Properties [ (0x80)
70; CHECK:      ForwardReference (0x80)
71; CHECK:    ]
72; CHECK:    FieldList: 0x0
73; CHECK:    SizeOf: 0
74; CHECK:    Name: S1::<unnamed-tag>
75; CHECK:  }
76; CHECK:  BitField ([[S1_u:.*]]) {
77; CHECK:    TypeLeafKind: LF_BITFIELD (0x1205)
78; CHECK:    Type: short (0x11)
79; CHECK:    BitSize: 3
80; CHECK:    BitOffset: 0
81; CHECK:  }
82; CHECK:  FieldList ([[S1_fl:.*]]) {
83; CHECK:    TypeLeafKind: LF_FIELDLIST (0x1203)
84; CHECK:    DataMember {
85; CHECK:      FieldOffset: 0x0
86; CHECK:      Name: x1
87; CHECK:    }
88; CHECK:    DataMember {
89; CHECK:      Type: char (0x70)
90; CHECK:      FieldOffset: 0x2
91; CHECK:      Name: x2
92; CHECK:    }
93; CHECK:    DataMember {
94; CHECK:      Type: [[S1_y_z]]
95; CHECK:      FieldOffset: 0x3
96; CHECK:      Name: y
97; CHECK:    }
98; CHECK:    DataMember {
99; CHECK:      Type: [[S1_y_z]]
100; CHECK:      FieldOffset: 0x7
101; CHECK:      Name: z
102; CHECK:    }
103; CHECK:    DataMember {
104; CHECK:      Type: [[S1_w]]
105; CHECK:      FieldOffset: 0x7
106; CHECK:      Name: w
107; CHECK:    }
108; CHECK:    DataMember {
109; CHECK:      Type: S1::<unnamed-tag> ([[anon_ty]])
110; CHECK:      FieldOffset: 0xB
111; CHECK:      Name: v
112; CHECK:    }
113; CHECK:    DataMember {
114; CHECK:      Type: [[S1_u]]
115; CHECK:      FieldOffset: 0xE
116; CHECK:      Name: u
117; CHECK:    }
118; CHECK:  }
119; CHECK:  Struct ({{.*}}) {
120; CHECK:    TypeLeafKind: LF_STRUCTURE (0x1505)
121; CHECK:    MemberCount: 7
122; CHECK:    Properties [ (0x0)
123; CHECK:    ]
124; CHECK:    FieldList: <field list> ([[S1_fl]])
125; CHECK:    SizeOf: 16
126; CHECK:    Name: S1
127; CHECK:  }
128; CHECK:  FieldList ([[anon_fl:.*]]) {
129; CHECK:    TypeLeafKind: LF_FIELDLIST (0x1203)
130; CHECK:    DataMember {
131; CHECK:      Type: char (0x70)
132; CHECK:      FieldOffset: 0x0
133; CHECK:      Name: c
134; CHECK:    }
135; CHECK:    DataMember {
136; CHECK:      Type: short (0x11)
137; CHECK:      FieldOffset: 0x1
138; CHECK:      Name: s
139; CHECK:    }
140; CHECK:  }
141; CHECK:  Struct ({{.*}}) {
142; CHECK:    TypeLeafKind: LF_STRUCTURE (0x1505)
143; CHECK:    MemberCount: 2
144; CHECK:    Properties [ (0x0)
145; CHECK:    ]
146; CHECK:    FieldList: <field list> ([[anon_fl]])
147; CHECK:    SizeOf: 3
148; CHECK:    Name: S1::<unnamed-tag>
149; CHECK:  }
150; CHECK:  BitField ([[S2_y:.*]]) {
151; CHECK:    TypeLeafKind: LF_BITFIELD (0x1205)
152; CHECK:    Type: int (0x74)
153; CHECK:    BitSize: 1
154; CHECK:    BitOffset: 0
155; CHECK:  }
156; CHECK:  FieldList ([[S2_fl:.*]]) {
157; CHECK:    TypeLeafKind: LF_FIELDLIST (0x1203)
158; CHECK:    DataMember {
159; CHECK:      Type: [[S2_y]]
160; CHECK:      FieldOffset: 0x0
161; CHECK:      Name: y
162; CHECK:    }
163; CHECK:  }
164; CHECK:  Struct ({{.*}}) {
165; CHECK:    TypeLeafKind: LF_STRUCTURE (0x1505)
166; CHECK:    MemberCount: 1
167; CHECK:    Properties [ (0x0)
168; CHECK:    ]
169; CHECK:    FieldList: <field list> ([[S2_fl]])
170; CHECK:    SizeOf: 4
171; CHECK:    Name: S2
172; CHECK:  }
173
174target datalayout = "e-m:x-p:32:32-i64:64-f80:32-n8:16:32-a:0:32-S32"
175target triple = "x86_64-pc-windows-msvc18.0.0"
176
177%struct.S0 = type <{ i8, i16 }>
178%struct.S1 = type <{ [2 x i8], i8, i32, i32, %struct.anon, i16 }>
179%struct.anon = type <{ i8, i16 }>
180%struct.S2 = type { i32 }
181
182@s0 = common global %struct.S0 zeroinitializer, align 1
183@s1 = common global %struct.S1 zeroinitializer, align 1
184@s2 = common global %struct.S2 zeroinitializer, align 1
185
186!llvm.dbg.cu = !{!0}
187!llvm.module.flags = !{!33, !34, !35}
188!llvm.ident = !{!36}
189
190!0 = distinct !DICompileUnit(language: DW_LANG_C99, file: !1, producer: "clang version 3.9.0 (trunk 273812) (llvm/trunk 273843)", isOptimized: false, runtimeVersion: 0, emissionKind: FullDebug, enums: !2, globals: !3)
191!1 = !DIFile(filename: "-", directory: "/usr/local/google/home/majnemer/llvm/src")
192!2 = !{}
193!3 = !{!4, !10, !29}
194!4 = distinct !DIGlobalVariable(name: "s0", scope: !0, file: !5, line: 7, type: !6, isLocal: false, isDefinition: true, variable: %struct.S0* @s0)
195!5 = !DIFile(filename: "<stdin>", directory: "/usr/local/google/home/majnemer/llvm/src")
196!6 = distinct !DICompositeType(tag: DW_TAG_structure_type, name: "S0", file: !5, line: 3, size: 24, align: 8, elements: !7)
197!7 = !{!8}
198!8 = !DIDerivedType(tag: DW_TAG_member, name: "x", scope: !6, file: !5, line: 6, baseType: !9, size: 8, align: 16, offset: 16, flags: DIFlagBitField, extraData: i64 8)
199!9 = !DIBasicType(name: "short", size: 16, align: 16, encoding: DW_ATE_signed)
200!10 = distinct !DIGlobalVariable(name: "s1", scope: !0, file: !5, line: 18, type: !11, isLocal: false, isDefinition: true, variable: %struct.S1* @s1)
201!11 = distinct !DICompositeType(tag: DW_TAG_structure_type, name: "S1", file: !5, line: 10, size: 128, align: 8, elements: !12)
202!12 = !{!13, !18, !19, !21, !22, !23, !28}
203!13 = !DIDerivedType(tag: DW_TAG_member, name: "x1", scope: !11, file: !5, line: 11, baseType: !14, size: 16, align: 8)
204!14 = !DICompositeType(tag: DW_TAG_array_type, baseType: !15, size: 16, align: 8, elements: !16)
205!15 = !DIBasicType(name: "char", size: 8, align: 8, encoding: DW_ATE_signed_char)
206!16 = !{!17}
207!17 = !DISubrange(count: 2)
208!18 = !DIDerivedType(tag: DW_TAG_member, name: "x2", scope: !11, file: !5, line: 12, baseType: !15, size: 8, align: 8, offset: 16)
209!19 = !DIDerivedType(tag: DW_TAG_member, name: "y", scope: !11, file: !5, line: 13, baseType: !20, size: 23, align: 32, offset: 24, flags: DIFlagBitField, extraData: i64 24)
210!20 = !DIBasicType(name: "int", size: 32, align: 32, encoding: DW_ATE_signed)
211!21 = !DIDerivedType(tag: DW_TAG_member, name: "z", scope: !11, file: !5, line: 14, baseType: !20, size: 23, align: 32, offset: 56, flags: DIFlagBitField, extraData: i64 56)
212!22 = !DIDerivedType(tag: DW_TAG_member, name: "w", scope: !11, file: !5, line: 15, baseType: !20, size: 2, align: 32, offset: 79, flags: DIFlagBitField, extraData: i64 56)
213!23 = !DIDerivedType(tag: DW_TAG_member, name: "v", scope: !11, file: !5, line: 16, baseType: !24, size: 24, align: 8, offset: 88)
214!24 = distinct !DICompositeType(tag: DW_TAG_structure_type, scope: !11, file: !5, line: 16, size: 24, align: 8, elements: !25)
215!25 = !{!26, !27}
216!26 = !DIDerivedType(tag: DW_TAG_member, name: "c", scope: !24, file: !5, line: 16, baseType: !15, size: 8, align: 8)
217!27 = !DIDerivedType(tag: DW_TAG_member, name: "s", scope: !24, file: !5, line: 16, baseType: !9, size: 16, align: 16, offset: 8)
218!28 = !DIDerivedType(tag: DW_TAG_member, name: "u", scope: !11, file: !5, line: 17, baseType: !9, size: 3, align: 16, offset: 112, flags: DIFlagBitField, extraData: i64 112)
219!29 = distinct !DIGlobalVariable(name: "s2", scope: !0, file: !5, line: 24, type: !30, isLocal: false, isDefinition: true, variable: %struct.S2* @s2)
220!30 = distinct !DICompositeType(tag: DW_TAG_structure_type, name: "S2", file: !5, line: 21, size: 32, align: 8, elements: !31)
221!31 = !{!32}
222!32 = !DIDerivedType(tag: DW_TAG_member, name: "y", scope: !30, file: !5, line: 23, baseType: !20, size: 1, align: 32, flags: DIFlagBitField, extraData: i64 0)
223!33 = !{i32 2, !"CodeView", i32 1}
224!34 = !{i32 2, !"Debug Info Version", i32 3}
225!35 = !{i32 1, !"PIC Level", i32 2}
226!36 = !{!"clang version 3.9.0 (trunk 273812) (llvm/trunk 273843)"}
227