| blob | 785bbec4481bcb50316c8e570f37ac6b5179613d |
1 ; REQUIRES: object-emission
2 ; RUN: llc -mtriple=x86_64-unknown-linux-gnu -filetype=obj < %s | llvm-dwarfdump -v - | \
3 ; RUN: FileCheck --check-prefix=DEFAULT --check-prefix=BOTH %s
4 ; RUN: llc -mtriple=x86_64-unknown-linux-gnu -filetype=obj -generate-type-units < %s | \
5 ; RUN: llvm-dwarfdump -v - | FileCheck --check-prefix=TYPEUNITS --check-prefix=BOTH %s
6 ;
7 ; Check that we generate the DWARF v5 string offsets section correctly when we
8 ; have multiple compile and type units. All units share one contribution to
9 ; the string offsets section.
10 ;
11 ; Constructed from the following sources with
12 ; clang -gdwarf-5 -emit-llvm -S a.cpp
13 ; clang -gdwarf-5 -emit-llvm -S b.cpp
14 ; clang -gdwarf-5 -emit-llvm -S c.cpp
15 ; llvm-link a.ll b.ll c.ll -o test.bc
16 ; llvm-dis test.bc -o test.ll
17 ;
18 ; a.cpp:
19 ; enum E1 {a, b, c};
20 ; E1 glob1;
21 ;
22 ; b.cpp:
23 ; enum E2 {d, e, f};
24 ; E2 glob2;
25 ;
26 ; c.cpp:
27 ; enum E3 {g, h, i};
28 ; E3 glob3;
29 ;
30 ; Check that all 3 compile units have the correct DW_AT_str_offsets_base attributes
31 ; with the correct offsets. Check that strings referenced by compile units 2 and 3
32 ; are displayed correctly.
33 ;
34 ; BOTH: .debug_info contents:
35 ;
36 ; Verify that all 3 type units have the proper DW_AT_str_offsets_base attribute.
37 ; TYPEUNITS-NOT: contents:
38 ; TYPEUNITS: DW_TAG_type_unit
39 ; TYPEUNITS-NOT: {{DW_TAG|NULL}}
40 ; TYPEUNITS: DW_AT_str_offsets_base [DW_FORM_sec_offset] (0x[[CU1_STROFF:[0-9a-f]+]])
41 ; TYPEUNITS-NOT: NULL
42 ; TYPEUNITS: DW_TAG_enumerator
43 ; TYPEUNITS-NOT: NULL
44 ; TYPEUNITS: DW_TAG_enumerator
45 ; TYPEUNITS-NOT: {{DW_TAG|NULL}}
46 ; TYPEUNITS: DW_AT_name [DW_FORM_strx1] (indexed (00000005) string = "b")
47 ; TYPEUNITS-NOT: contents:
48 ; TYPEUNITS: DW_TAG_type_unit
49 ; TYPEUNITS-NOT: {{DW_TAG|NULL}}
50 ; TYPEUNITS: DW_AT_str_offsets_base [DW_FORM_sec_offset] (0x[[CU1_STROFF]])
51 ; TYPEUNITS-NOT: NULL
52 ; TYPEUNITS: DW_TAG_enumeration_type
53 ; TYPEUNITS: DW_AT_name [DW_FORM_strx1] (indexed (0000000d) string = "E2")
54 ; TYPEUNITS-NOT: contents:
55 ; TYPEUNITS: DW_TAG_type_unit
56 ; TYPEUNITS-NOT: {{DW_TAG|NULL}}
57 ; TYPEUNITS: DW_AT_str_offsets_base [DW_FORM_sec_offset] (0x[[CU1_STROFF]])
58 ; TYPEUNITS-NOT: NULL
59 ; TYPEUNITS: DW_TAG_enumeration_type
60 ; TYPEUNITS: DW_AT_name [DW_FORM_strx1] (indexed (00000013) string = "E3")
62 ; CU 1
63 ; BOTH-NOT: .contents:
64 ; BOTH: DW_TAG_compile_unit
65 ; BOTH-NOT: {{DW_TAG|NULL}}
66 ; DEFAULT: DW_AT_str_offsets_base [DW_FORM_sec_offset] (0x[[CU1_STROFF:[0-9a-f]+]])
67 ; TYPEUNITS: DW_AT_str_offsets_base [DW_FORM_sec_offset] (0x[[CU1_STROFF]])
68 ;
69 ; CU 2
70 ; BOTH-NOT: contents:
71 ; BOTH: DW_TAG_compile_unit
72 ; BOTH-NOT: {{DW_TAG|NULL}}
73 ; BOTH: DW_AT_str_offsets_base [DW_FORM_sec_offset] (0x[[CU1_STROFF]])
74 ; BOTH-NOT: NULL
75 ; BOTH: DW_TAG_variable
76 ; BOTH-NOT: {{DW_TAG|NULL}}
77 ; BOTH: DW_AT_name [DW_FORM_strx1] (indexed (00000009) string = "glob2")
78 ;
79 ; CU 3
80 ; BOTH-NOT: contents:
81 ; BOTH: DW_TAG_compile_unit
82 ; BOTH-NOT: {{DW_TAG|NULL}}
83 ; BOTH: DW_AT_str_offsets_base [DW_FORM_sec_offset] (0x[[CU1_STROFF]])
84 ; BOTH-NOT: NULL
85 ; BOTH: DW_TAG_variable
86 ; BOTH-NOT: {{DW_TAG|NULL}}
87 ; BOTH: DW_AT_name [DW_FORM_strx1] (indexed (0000000f) string = "glob3")
88 ;
89 ; Extract the offset of a string to verify that it is referenced in the string
90 ; offsets section.
91 ; BOTH: .debug_str contents:
92 ; BOTH-NOT: contents:
93 ; BOTH: 0x[[GLOB2OFF:[0-9a-f]+]]: "glob2"
94 ;
95 ; Check the .debug_str_offsets section header and make sure the referenced string
96 ; has the correct offset.
97 ; BOTH: .debug_str_offsets contents:
98 ; BOTH-NEXT: 0x00000000: Contribution size = 84, Format = DWARF32, Version = 5
99 ; BOTH-NEXT: 0x[[CU1_STROFF]]:
100 ; BOTH-NEXT: {{.*:}}
101 ; BOTH-NEXT: {{.*:}}
102 ; BOTH-NEXT: {{.*:}}
103 ; BOTH-NEXT: {{.*:}}
104 ; BOTH-NEXT: {{.*:}}
105 ; BOTH-NEXT: {{.*:}}
106 ; BOTH-NEXT: {{.*:}}
107 ; BOTH-NEXT: {{.*:}}
108 ; The string with index 9 should be "glob2"
109 ; BOTH-NEXT: {{.*:}} [[GLOB2OFF]]
110 ;
111 ; ModuleID = 'test.bc'
112 source_filename = "llvm-link"
114 @glob1 = global i32 0, align 4, !dbg !0
115 @glob2 = global i32 0, align 4, !dbg !11
116 @glob3 = global i32 0, align 4, !dbg !22
118 !llvm.dbg.cu = !{!2, !13, !24}
119 !llvm.ident = !{!33, !33, !33}
120 !llvm.module.flags = !{!34, !35, !36}
122 !0 = !DIGlobalVariableExpression(var: !1, expr: !DIExpression())
123 !1 = distinct !DIGlobalVariable(name: "glob1", scope: !2, file: !3, line: 2, type: !5, isLocal: false, isDefinition: true)
124 !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)
125 !3 = !DIFile(filename: "a1.cpp", directory: "/home/test", checksumkind: CSK_MD5, checksum: "2ca3eeed18355d6ebbae671eafda5aae")
126 !4 = !{!5}
127 !5 = distinct !DICompositeType(tag: DW_TAG_enumeration_type, name: "E1", file: !3, line: 1, size: 32, elements: !6, identifier: "_ZTS2E1")
128 !6 = !{!7, !8, !9}
129 !7 = !DIEnumerator(name: "a", value: 0)
130 !8 = !DIEnumerator(name: "b", value: 1)
131 !9 = !DIEnumerator(name: "c", value: 2)
132 !10 = !{!0}
133 !11 = !DIGlobalVariableExpression(var: !12, expr: !DIExpression())
134 !12 = distinct !DIGlobalVariable(name: "glob2", scope: !13, file: !14, line: 2, type: !16, isLocal: false, isDefinition: true)
135 !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)
136 !14 = !DIFile(filename: "b.cpp", directory: "/home/test", checksumkind: CSK_MD5, checksum: "0e254f89617ecb6c4e5473546a99435c")
137 !15 = !{!16}
138 !16 = distinct !DICompositeType(tag: DW_TAG_enumeration_type, name: "E2", file: !14, line: 1, size: 32, elements: !17, identifier: "_ZTS2E2")
139 !17 = !{!18, !19, !20}
140 !18 = !DIEnumerator(name: "d", value: 0)
141 !19 = !DIEnumerator(name: "e", value: 1)
142 !20 = !DIEnumerator(name: "f", value: 2)
143 !21 = !{!11}
144 !22 = !DIGlobalVariableExpression(var: !23, expr: !DIExpression())
145 !23 = distinct !DIGlobalVariable(name: "glob3", scope: !24, file: !25, line: 2, type: !27, isLocal: false, isDefinition: true)
146 !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)
147 !25 = !DIFile(filename: "c.cpp", directory: "/home/test", checksumkind: CSK_MD5, checksum: "7835aaaa683fa09d295adef0e934d392")
148 !26 = !{!27}
149 !27 = distinct !DICompositeType(tag: DW_TAG_enumeration_type, name: "E3", file: !25, line: 1, size: 32, elements: !28, identifier: "_ZTS2E3")
150 !28 = !{!29, !30, !31}
151 !29 = !DIEnumerator(name: "g", value: 0)
152 !30 = !DIEnumerator(name: "h", value: 1)
153 !31 = !DIEnumerator(name: "i", value: 2)
154 !32 = !{!22}
155 !33 = !{!"clang version 7.0.0 (trunk 322415)"}
156 !34 = !{i32 2, !"Dwarf Version", i32 5}
157 !35 = !{i32 2, !"Debug Info Version", i32 3}
158 !36 = !{i32 1, !"wchar_size", i32 4}