1; Generated from tools/clang/test/CodeGen/debug-info-packed-struct.c
2; ModuleID = 'llvm/tools/clang/test/CodeGen/debug-info-packed-struct.c'
3target datalayout = "e-m:o-i64:64-f80:128-n8:16:32:64-S128"
4target triple = "x86_64-apple-darwin"
5
6; RUN: %llc_dwarf -O0 -filetype=obj -o %t.o %s
7; RUN: llvm-dwarfdump -debug-dump=info %t.o | FileCheck %s
8; REQUIRES: object-emission
9
10;  // ---------------------------------------------------------------------
11;  // Not packed.
12;  // ---------------------------------------------------------------------
13;  struct size8 {
14;    int i : 4;
15;    long long l : 60;
16;  };
17;  struct layout0 {
18;    char l0_ofs0;
19;    struct size8 l0_ofs8;
20;    int l0_ofs16 : 1;
21;  } l0;
22
23%struct.layout0 = type { i8, %struct.size8, i8 }
24%struct.size8 = type { i64 }
25; CHECK:  DW_TAG_structure_type
26; CHECK:      DW_AT_name {{.*}} "layout0"
27; CHECK:      DW_AT_byte_size {{.*}} (0x18)
28; CHECK:      DW_TAG_member
29; CHECK:          DW_AT_name {{.*}} "l0_ofs0"
30; CHECK:          DW_AT_data_member_location {{.*}}00
31; CHECK:      DW_TAG_member
32; CHECK:          DW_AT_name {{.*}} "l0_ofs8"
33; CHECK:          DW_AT_data_member_location {{.*}}08
34; CHECK:      DW_TAG_member
35; CHECK:          DW_AT_name {{.*}} "l0_ofs16"
36; CHECK:          DW_AT_bit_size   {{.*}} (0x01)
37; CHECK:          DW_AT_bit_offset {{.*}} (0x1f)
38; CHECK:          DW_AT_data_member_location {{.*}}10
39
40
41; // ---------------------------------------------------------------------
42; // Implicitly packed.
43; // ---------------------------------------------------------------------
44; struct size8_anon {
45;   int : 4;
46;   long long : 60;
47; };
48; struct layout1 {
49;   char l1_ofs0;
50;   struct size8_anon l1_ofs1;
51;   int l1_ofs9 : 1;
52; } l1;
53
54%struct.layout1 = type <{ i8, %struct.size8_anon, i8, [2 x i8] }>
55%struct.size8_anon = type { i64 }
56
57; CHECK:  DW_TAG_structure_type
58; CHECK:      DW_AT_name {{.*}} "layout1"
59; CHECK:      DW_AT_byte_size {{.*}} (0x0c)
60; CHECK:      DW_TAG_member
61; CHECK:          DW_AT_name {{.*}} "l1_ofs0"
62; CHECK:          DW_AT_data_member_location {{.*}}00
63; CHECK:      DW_TAG_member
64; CHECK:          DW_AT_name {{.*}} "l1_ofs1"
65; CHECK:          DW_AT_data_member_location {{.*}}01
66; CHECK:      DW_TAG_member
67; CHECK:          DW_AT_name {{.*}} "l1_ofs9"
68; CHECK:          DW_AT_byte_size  {{.*}} (0x04)
69; CHECK:          DW_AT_bit_size   {{.*}} (0x01)
70; CHECK:          DW_AT_bit_offset {{.*}} (0x17)
71; CHECK:          DW_AT_data_member_location {{.*}}08
72
73; // ---------------------------------------------------------------------
74; // Explicitly packed.
75; // ---------------------------------------------------------------------
76; #pragma pack(1)
77; struct size8_pack1 {
78;   int i : 4;
79;   long long l : 60;
80; };
81; struct layout2 {
82;   char l2_ofs0;
83;   struct size8_pack1 l2_ofs1;
84;   int l2_ofs9 : 1;
85; } l2;
86; #pragma pack()
87
88%struct.layout2 = type <{ i8, %struct.size8_pack1, i8 }>
89%struct.size8_pack1 = type { i64 }
90
91; CHECK:  DW_TAG_structure_type
92; CHECK:      DW_AT_name {{.*}} "layout2"
93; CHECK:      DW_AT_byte_size {{.*}} (0x0a)
94; CHECK:      DW_TAG_member
95; CHECK:          DW_AT_name {{.*}} "l2_ofs0"
96; CHECK:          DW_AT_data_member_location {{.*}}00
97; CHECK:      DW_TAG_member
98; CHECK:          DW_AT_name {{.*}} "l2_ofs1"
99; CHECK:          DW_AT_data_member_location {{.*}}01
100; CHECK:      DW_TAG_member
101; CHECK:          DW_AT_name {{.*}} "l2_ofs9"
102; CHECK:          DW_AT_byte_size  {{.*}} (0x04)
103; CHECK:          DW_AT_bit_size   {{.*}} (0x01)
104; CHECK:          DW_AT_bit_offset {{.*}} (0x17)
105; CHECK:          DW_AT_data_member_location {{.*}}08
106
107; // ---------------------------------------------------------------------
108; // Explicitly packed with different alignment.
109; // ---------------------------------------------------------------------
110; #pragma pack(4)
111; struct size8_pack4 {
112;   int i : 4;
113;   long long l : 60;
114; };
115; struct layout3 {
116;   char l3_ofs0;
117;   struct size8_pack4 l3_ofs4;
118;   int l3_ofs12 : 1;
119; } l 3;
120; #pragma pack()
121
122
123%struct.layout3 = type <{ i8, [3 x i8], %struct.size8_pack4, i8, [3 x i8] }>
124%struct.size8_pack4 = type { i64 }
125
126; CHECK:  DW_TAG_structure_type
127; CHECK:      DW_AT_name {{.*}} "layout3"
128; CHECK:      DW_AT_byte_size {{.*}} (0x10)
129; CHECK:      DW_TAG_member
130; CHECK:          DW_AT_name {{.*}} "l3_ofs0"
131; CHECK:          DW_AT_data_member_location {{.*}}00
132; CHECK:      DW_TAG_member
133; CHECK:          DW_AT_name {{.*}} "l3_ofs4"
134; CHECK:          DW_AT_data_member_location {{.*}}04
135; CHECK:      DW_TAG_member
136; CHECK:          DW_AT_name {{.*}} "l3_ofs12"
137; CHECK:          DW_AT_byte_size  {{.*}} (0x04)
138; CHECK:          DW_AT_bit_size   {{.*}} (0x01)
139; CHECK:          DW_AT_bit_offset {{.*}} (0x1f)
140; CHECK:          DW_AT_data_member_location {{.*}}0c
141
142@l0 = common global %struct.layout0 zeroinitializer, align 8
143@l1 = common global %struct.layout1 zeroinitializer, align 4
144@l2 = common global %struct.layout2 zeroinitializer, align 1
145@l3 = common global %struct.layout3 zeroinitializer, align 4
146
147!llvm.dbg.cu = !{!0}
148!llvm.module.flags = !{!45, !46}
149!llvm.ident = !{!47}
150
151!0 = distinct !DICompileUnit(language: DW_LANG_C99, file: !1, producer: "clang version 3.7.0 (trunk 240791) (llvm/trunk 240790)", isOptimized: false, runtimeVersion: 0, emissionKind: FullDebug, enums: !2, retainedTypes: !2, globals: !3, imports: !2)
152!1 = !DIFile(filename: "/llvm/tools/clang/test/CodeGen/<stdin>", directory: "/llvm/_build.ninja.release")
153!2 = !{}
154!3 = !{!4, !18, !25, !35}
155!4 = !DIGlobalVariable(name: "l0", scope: !0, file: !5, line: 88, type: !6, isLocal: false, isDefinition: true, variable: %struct.layout0* @l0)
156!5 = !DIFile(filename: "/llvm/tools/clang/test/CodeGen/debug-info-packed-struct.c", directory: "/llvm/_build.ninja.release")
157!6 = !DICompositeType(tag: DW_TAG_structure_type, name: "layout0", file: !5, line: 15, size: 192, align: 64, elements: !7)
158!7 = !{!8, !10, !17}
159!8 = !DIDerivedType(tag: DW_TAG_member, name: "l0_ofs0", scope: !6, file: !5, line: 16, baseType: !9, size: 8, align: 8)
160!9 = !DIBasicType(name: "char", size: 8, align: 8, encoding: DW_ATE_signed_char)
161!10 = !DIDerivedType(tag: DW_TAG_member, name: "l0_ofs8", scope: !6, file: !5, line: 17, baseType: !11, size: 64, align: 64, offset: 64)
162!11 = !DICompositeType(tag: DW_TAG_structure_type, name: "size8", file: !5, line: 11, size: 64, align: 64, elements: !12)
163!12 = !{!13, !15}
164!13 = !DIDerivedType(tag: DW_TAG_member, name: "i", scope: !11, file: !5, line: 12, baseType: !14, size: 4, align: 32)
165!14 = !DIBasicType(name: "int", size: 32, align: 32, encoding: DW_ATE_signed)
166!15 = !DIDerivedType(tag: DW_TAG_member, name: "l", scope: !11, file: !5, line: 13, baseType: !16, size: 60, offset: 4)
167!16 = !DIBasicType(name: "long long int", size: 64, align: 64, encoding: DW_ATE_signed)
168!17 = !DIDerivedType(tag: DW_TAG_member, name: "l0_ofs16", scope: !6, file: !5, line: 18, baseType: !14, size: 1, align: 32, offset: 128)
169!18 = !DIGlobalVariable(name: "l1", scope: !0, file: !5, line: 89, type: !19, isLocal: false, isDefinition: true, variable: %struct.layout1* @l1)
170!19 = !DICompositeType(tag: DW_TAG_structure_type, name: "layout1", file: !5, line: 34, size: 96, align: 32, elements: !20)
171!20 = !{!21, !22, !24}
172!21 = !DIDerivedType(tag: DW_TAG_member, name: "l1_ofs0", scope: !19, file: !5, line: 35, baseType: !9, size: 8, align: 8)
173!22 = !DIDerivedType(tag: DW_TAG_member, name: "l1_ofs1", scope: !19, file: !5, line: 36, baseType: !23, size: 64, align: 8, offset: 8)
174!23 = !DICompositeType(tag: DW_TAG_structure_type, name: "size8_anon", file: !5, line: 30, size: 64, align: 8, elements: !2)
175!24 = !DIDerivedType(tag: DW_TAG_member, name: "l1_ofs9", scope: !19, file: !5, line: 37, baseType: !14, size: 1, align: 32, offset: 72)
176!25 = !DIGlobalVariable(name: "l2", scope: !0, file: !5, line: 90, type: !26, isLocal: false, isDefinition: true, variable: %struct.layout2* @l2)
177!26 = !DICompositeType(tag: DW_TAG_structure_type, name: "layout2", file: !5, line: 54, size: 80, align: 8, elements: !27)
178!27 = !{!28, !29, !34}
179!28 = !DIDerivedType(tag: DW_TAG_member, name: "l2_ofs0", scope: !26, file: !5, line: 55, baseType: !9, size: 8, align: 8)
180!29 = !DIDerivedType(tag: DW_TAG_member, name: "l2_ofs1", scope: !26, file: !5, line: 56, baseType: !30, size: 64, align: 8, offset: 8)
181!30 = !DICompositeType(tag: DW_TAG_structure_type, name: "size8_pack1", file: !5, line: 50, size: 64, align: 8, elements: !31)
182!31 = !{!32, !33}
183!32 = !DIDerivedType(tag: DW_TAG_member, name: "i", scope: !30, file: !5, line: 51, baseType: !14, size: 4, align: 32)
184!33 = !DIDerivedType(tag: DW_TAG_member, name: "l", scope: !30, file: !5, line: 52, baseType: !16, size: 60, offset: 4)
185!34 = !DIDerivedType(tag: DW_TAG_member, name: "l2_ofs9", scope: !26, file: !5, line: 57, baseType: !14, size: 1, align: 32, offset: 72)
186!35 = !DIGlobalVariable(name: "l3", scope: !0, file: !5, line: 91, type: !36, isLocal: false, isDefinition: true, variable: %struct.layout3* @l3)
187!36 = !DICompositeType(tag: DW_TAG_structure_type, name: "layout3", file: !5, line: 76, size: 128, align: 32, elements: !37)
188!37 = !{!38, !39, !44}
189!38 = !DIDerivedType(tag: DW_TAG_member, name: "l3_ofs0", scope: !36, file: !5, line: 77, baseType: !9, size: 8, align: 8)
190!39 = !DIDerivedType(tag: DW_TAG_member, name: "l3_ofs4", scope: !36, file: !5, line: 78, baseType: !40, size: 64, align: 32, offset: 32)
191!40 = !DICompositeType(tag: DW_TAG_structure_type, name: "size8_pack4", file: !5, line: 72, size: 64, align: 32, elements: !41)
192!41 = !{!42, !43}
193!42 = !DIDerivedType(tag: DW_TAG_member, name: "i", scope: !40, file: !5, line: 73, baseType: !14, size: 4, align: 32)
194!43 = !DIDerivedType(tag: DW_TAG_member, name: "l", scope: !40, file: !5, line: 74, baseType: !16, size: 60, offset: 4)
195!44 = !DIDerivedType(tag: DW_TAG_member, name: "l3_ofs12", scope: !36, file: !5, line: 79, baseType: !14, size: 1, align: 32, offset: 96)
196!45 = !{i32 2, !"Dwarf Version", i32 2}
197!46 = !{i32 2, !"Debug Info Version", i32 3}
198!47 = !{!"clang version 3.7.0 (trunk 240791) (llvm/trunk 240790)"}
199