| blob | 4e8dfc2ada74728f2a504e2b2b6e55a2cf722102 |
1 ; RUN: llc -mtriple=x86_64-unknown-linux-gnu -filetype=obj < %s | llvm-dwarfdump -v - | \
2 ; RUN: FileCheck --check-prefix=DEFAULT --check-prefix=BOTH %s
3 ; RUN: llc -mtriple=x86_64-unknown-linux-gnu -filetype=obj -generate-type-units < %s | \
4 ; RUN: llvm-dwarfdump -v - | FileCheck --check-prefix=TYPEUNITS --check-prefix=BOTH %s
5 ;
6 ; Check that we generate the DWARF v5 string offsets section correctly when we
7 ; have multiple compile and type units. All units share one contribution to
8 ; the string offsets section.
9 ;
10 ; Constructed from the following sources with
11 ; clang -gdwarf-5 -emit-llvm -S a.cpp
12 ; clang -gdwarf-5 -emit-llvm -S b.cpp
13 ; clang -gdwarf-5 -emit-llvm -S c.cpp
14 ; llvm-link a.ll b.ll c.ll -o test.bc
15 ; llvm-dis test.bc -o test.ll
16 ;
17 ; a.cpp:
18 ; enum E1 {a, b, c};
19 ; E1 glob1;
20 ;
21 ; b.cpp:
22 ; enum E2 {d, e, f};
23 ; E2 glob2;
24 ;
25 ; c.cpp:
26 ; enum E3 {g, h, i};
27 ; E3 glob3;
28 ;
29 ; Check that all 3 compile units have the correct DW_AT_str_offsets_base attributes
30 ; with the correct offsets. Check that strings referenced by compile units 2 and 3
31 ; are displayed correctly.
32 ;
33 ; BOTH: .debug_info contents:
34 ;
35 ; Verify that all 3 type units have the proper DW_AT_str_offsets_base attribute.
36 ; TYPEUNITS-NOT: contents:
37 ; TYPEUNITS: DW_TAG_type_unit
38 ; TYPEUNITS-NOT: {{DW_TAG|NULL}}
39 ; TYPEUNITS: DW_AT_str_offsets_base [DW_FORM_sec_offset] (0x[[CU1_STROFF:[0-9a-f]+]])
40 ; TYPEUNITS-NOT: NULL
41 ; TYPEUNITS: DW_TAG_enumerator
42 ; TYPEUNITS-NOT: NULL
43 ; TYPEUNITS: DW_TAG_enumerator
44 ; TYPEUNITS-NOT: {{DW_TAG|NULL}}
45 ; TYPEUNITS: DW_AT_name [DW_FORM_strx1] (indexed (00000005) string = "b")
46 ; TYPEUNITS-NOT: contents:
47 ; TYPEUNITS: DW_TAG_type_unit
48 ; TYPEUNITS-NOT: {{DW_TAG|NULL}}
49 ; TYPEUNITS: DW_AT_str_offsets_base [DW_FORM_sec_offset] (0x[[CU1_STROFF]])
50 ; TYPEUNITS-NOT: NULL
51 ; TYPEUNITS: DW_TAG_enumeration_type
52 ; TYPEUNITS: DW_AT_name [DW_FORM_strx1] (indexed (0000000d) string = "E2")
53 ; TYPEUNITS-NOT: contents:
54 ; TYPEUNITS: DW_TAG_type_unit
55 ; TYPEUNITS-NOT: {{DW_TAG|NULL}}
56 ; TYPEUNITS: DW_AT_str_offsets_base [DW_FORM_sec_offset] (0x[[CU1_STROFF]])
57 ; TYPEUNITS-NOT: NULL
58 ; TYPEUNITS: DW_TAG_enumeration_type
59 ; TYPEUNITS: DW_AT_name [DW_FORM_strx1] (indexed (00000013) string = "E3")
61 ; CU 1
62 ; BOTH-NOT: .contents:
63 ; BOTH: DW_TAG_compile_unit
64 ; BOTH-NOT: {{DW_TAG|NULL}}
65 ; DEFAULT: DW_AT_str_offsets_base [DW_FORM_sec_offset] (0x[[CU1_STROFF:[0-9a-f]+]])
66 ; TYPEUNITS: DW_AT_str_offsets_base [DW_FORM_sec_offset] (0x[[CU1_STROFF]])
67 ;
68 ; CU 2
69 ; BOTH-NOT: contents:
70 ; BOTH: DW_TAG_compile_unit
71 ; BOTH-NOT: {{DW_TAG|NULL}}
72 ; BOTH: DW_AT_str_offsets_base [DW_FORM_sec_offset] (0x[[CU1_STROFF]])
73 ; BOTH-NOT: NULL
74 ; BOTH: DW_TAG_variable
75 ; BOTH-NOT: {{DW_TAG|NULL}}
76 ; BOTH: DW_AT_name [DW_FORM_strx1] (indexed (00000009) string = "glob2")
77 ;
78 ; CU 3
79 ; BOTH-NOT: contents:
80 ; BOTH: DW_TAG_compile_unit
81 ; BOTH-NOT: {{DW_TAG|NULL}}
82 ; BOTH: DW_AT_str_offsets_base [DW_FORM_sec_offset] (0x[[CU1_STROFF]])
83 ; BOTH-NOT: NULL
84 ; BOTH: DW_TAG_variable
85 ; BOTH-NOT: {{DW_TAG|NULL}}
86 ; BOTH: DW_AT_name [DW_FORM_strx1] (indexed (0000000f) string = "glob3")
87 ;
88 ; Extract the offset of a string to verify that it is referenced in the string
89 ; offsets section.
90 ; BOTH: .debug_str contents:
91 ; BOTH-NOT: contents:
92 ; BOTH: 0x[[GLOB2OFF:[0-9a-f]+]]: "glob2"
93 ;
94 ; Check the .debug_str_offsets section header and make sure the referenced string
95 ; has the correct offset.
96 ; BOTH: .debug_str_offsets contents:
97 ; BOTH-NEXT: 0x00000000: Contribution size = 84, Format = DWARF32, Version = 5
98 ; BOTH-NEXT: 0x[[CU1_STROFF]]:
99 ; BOTH-NEXT: {{.*:}}
100 ; BOTH-NEXT: {{.*:}}
101 ; BOTH-NEXT: {{.*:}}
102 ; BOTH-NEXT: {{.*:}}
103 ; BOTH-NEXT: {{.*:}}
104 ; BOTH-NEXT: {{.*:}}
105 ; BOTH-NEXT: {{.*:}}
106 ; BOTH-NEXT: {{.*:}}
107 ; The string with index 9 should be "glob2"
108 ; BOTH-NEXT: {{.*:}} [[GLOB2OFF]]
109 ;
110 ; ModuleID = 'test.bc'
111 source_filename = "llvm-link"
113 @glob1 = global i32 0, align 4, !dbg !0
114 @glob2 = global i32 0, align 4, !dbg !11
115 @glob3 = global i32 0, align 4, !dbg !22
117 !llvm.dbg.cu = !{!2, !13, !24}
118 !llvm.ident = !{!33, !33, !33}
119 !llvm.module.flags = !{!34, !35, !36}
121 !0 = !DIGlobalVariableExpression(var: !1, expr: !DIExpression())
122 !1 = distinct !DIGlobalVariable(name: "glob1", scope: !2, file: !3, line: 2, type: !5, isLocal: false, isDefinition: true)
123 !2 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus, file: !3, producer: "clang version 7.0.0 (trunk 322415)", isOptimized: false, runtimeVersion: 0, emissionKind: FullDebug, enums: !4, globals: !10)
124 !3 = !DIFile(filename: "a1.cpp", directory: "/home/test", checksumkind: CSK_MD5, checksum: "2ca3eeed18355d6ebbae671eafda5aae")
125 !4 = !{!5}
126 !5 = distinct !DICompositeType(tag: DW_TAG_enumeration_type, name: "E1", file: !3, line: 1, size: 32, elements: !6, identifier: "_ZTS2E1")
127 !6 = !{!7, !8, !9}
128 !7 = !DIEnumerator(name: "a", value: 0)
129 !8 = !DIEnumerator(name: "b", value: 1)
130 !9 = !DIEnumerator(name: "c", value: 2)
131 !10 = !{!0}
132 !11 = !DIGlobalVariableExpression(var: !12, expr: !DIExpression())
133 !12 = distinct !DIGlobalVariable(name: "glob2", scope: !13, file: !14, line: 2, type: !16, isLocal: false, isDefinition: true)
134 !13 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus, file: !14, producer: "clang version 7.0.0 (trunk 322415)", isOptimized: false, runtimeVersion: 0, emissionKind: FullDebug, enums: !15, globals: !21)
135 !14 = !DIFile(filename: "b.cpp", directory: "/home/test", checksumkind: CSK_MD5, checksum: "0e254f89617ecb6c4e5473546a99435c")
136 !15 = !{!16}
137 !16 = distinct !DICompositeType(tag: DW_TAG_enumeration_type, name: "E2", file: !14, line: 1, size: 32, elements: !17, identifier: "_ZTS2E2")
138 !17 = !{!18, !19, !20}
139 !18 = !DIEnumerator(name: "d", value: 0)
140 !19 = !DIEnumerator(name: "e", value: 1)
141 !20 = !DIEnumerator(name: "f", value: 2)
142 !21 = !{!11}
143 !22 = !DIGlobalVariableExpression(var: !23, expr: !DIExpression())
144 !23 = distinct !DIGlobalVariable(name: "glob3", scope: !24, file: !25, line: 2, type: !27, isLocal: false, isDefinition: true)
145 !24 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus, file: !25, producer: "clang version 7.0.0 (trunk 322415)", isOptimized: false, runtimeVersion: 0, emissionKind: FullDebug, enums: !26, globals: !32)
146 !25 = !DIFile(filename: "c.cpp", directory: "/home/test", checksumkind: CSK_MD5, checksum: "7835aaaa683fa09d295adef0e934d392")
147 !26 = !{!27}
148 !27 = distinct !DICompositeType(tag: DW_TAG_enumeration_type, name: "E3", file: !25, line: 1, size: 32, elements: !28, identifier: "_ZTS2E3")
149 !28 = !{!29, !30, !31}
150 !29 = !DIEnumerator(name: "g", value: 0)
151 !30 = !DIEnumerator(name: "h", value: 1)
152 !31 = !DIEnumerator(name: "i", value: 2)
153 !32 = !{!22}
154 !33 = !{!"clang version 7.0.0 (trunk 322415)"}
155 !34 = !{i32 2, !"Dwarf Version", i32 5}
156 !35 = !{i32 2, !"Debug Info Version", i32 3}
157 !36 = !{i32 1, !"wchar_size", i32 4}