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158 lines
6.8 KiB
158 lines
6.8 KiB
; RUN: llc -mtriple=x86_64-unknown-linux-gnu -filetype=obj < %s | llvm-dwarfdump -v - | \
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; RUN: FileCheck --check-prefix=DEFAULT --check-prefix=BOTH %s
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; RUN: llc -mtriple=x86_64-unknown-linux-gnu -filetype=obj -generate-type-units < %s | \
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; RUN: llvm-dwarfdump -v - | FileCheck --check-prefix=TYPEUNITS --check-prefix=BOTH %s
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;
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; Check that we generate the DWARF v5 string offsets section correctly when we
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; have multiple compile and type units. All units share one contribution to
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; the string offsets section.
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;
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; Constructed from the following sources with
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; clang -gdwarf-5 -emit-llvm -S a.cpp
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; clang -gdwarf-5 -emit-llvm -S b.cpp
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; clang -gdwarf-5 -emit-llvm -S c.cpp
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; llvm-link a.ll b.ll c.ll -o test.bc
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; llvm-dis test.bc -o test.ll
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;
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; a.cpp:
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; enum E1 {a, b, c};
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; E1 glob1;
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;
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; b.cpp:
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; enum E2 {d, e, f};
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; E2 glob2;
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;
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; c.cpp:
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; enum E3 {g, h, i};
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; E3 glob3;
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;
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; Check that all 3 compile units have the correct DW_AT_str_offsets_base attributes
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; with the correct offsets. Check that strings referenced by compile units 2 and 3
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; are displayed correctly.
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;
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; BOTH: .debug_info contents:
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;
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; Verify that all 3 type units have the proper DW_AT_str_offsets_base attribute.
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; TYPEUNITS-NOT: contents:
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; TYPEUNITS: DW_TAG_type_unit
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; TYPEUNITS-NOT: {{DW_TAG|NULL}}
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; TYPEUNITS: DW_AT_str_offsets_base [DW_FORM_sec_offset] (0x[[CU1_STROFF:[0-9a-f]+]])
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; TYPEUNITS-NOT: NULL
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; TYPEUNITS: DW_TAG_enumerator
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; TYPEUNITS-NOT: NULL
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; TYPEUNITS: DW_TAG_enumerator
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; TYPEUNITS-NOT: {{DW_TAG|NULL}}
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; TYPEUNITS: DW_AT_name [DW_FORM_strx1] (indexed (00000005) string = "b")
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; TYPEUNITS-NOT: contents:
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; TYPEUNITS: DW_TAG_type_unit
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; TYPEUNITS-NOT: {{DW_TAG|NULL}}
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; TYPEUNITS: DW_AT_str_offsets_base [DW_FORM_sec_offset] (0x[[CU1_STROFF]])
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; TYPEUNITS-NOT: NULL
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; TYPEUNITS: DW_TAG_enumeration_type
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; TYPEUNITS: DW_AT_name [DW_FORM_strx1] (indexed (0000000d) string = "E2")
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; TYPEUNITS-NOT: contents:
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; TYPEUNITS: DW_TAG_type_unit
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; TYPEUNITS-NOT: {{DW_TAG|NULL}}
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; TYPEUNITS: DW_AT_str_offsets_base [DW_FORM_sec_offset] (0x[[CU1_STROFF]])
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; TYPEUNITS-NOT: NULL
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; TYPEUNITS: DW_TAG_enumeration_type
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; TYPEUNITS: DW_AT_name [DW_FORM_strx1] (indexed (00000013) string = "E3")
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; CU 1
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; BOTH-NOT: .contents:
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; BOTH: DW_TAG_compile_unit
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; BOTH-NOT: {{DW_TAG|NULL}}
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; DEFAULT: DW_AT_str_offsets_base [DW_FORM_sec_offset] (0x[[CU1_STROFF:[0-9a-f]+]])
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; TYPEUNITS: DW_AT_str_offsets_base [DW_FORM_sec_offset] (0x[[CU1_STROFF]])
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;
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; CU 2
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; BOTH-NOT: contents:
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; BOTH: DW_TAG_compile_unit
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; BOTH-NOT: {{DW_TAG|NULL}}
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; BOTH: DW_AT_str_offsets_base [DW_FORM_sec_offset] (0x[[CU1_STROFF]])
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; BOTH-NOT: NULL
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; BOTH: DW_TAG_variable
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; BOTH-NOT: {{DW_TAG|NULL}}
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; BOTH: DW_AT_name [DW_FORM_strx1] (indexed (00000009) string = "glob2")
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;
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; CU 3
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; BOTH-NOT: contents:
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; BOTH: DW_TAG_compile_unit
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; BOTH-NOT: {{DW_TAG|NULL}}
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; BOTH: DW_AT_str_offsets_base [DW_FORM_sec_offset] (0x[[CU1_STROFF]])
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; BOTH-NOT: NULL
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; BOTH: DW_TAG_variable
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; BOTH-NOT: {{DW_TAG|NULL}}
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; BOTH: DW_AT_name [DW_FORM_strx1] (indexed (0000000f) string = "glob3")
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;
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; Extract the offset of a string to verify that it is referenced in the string
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; offsets section.
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; BOTH: .debug_str contents:
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; BOTH-NOT: contents:
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; BOTH: 0x[[GLOB2OFF:[0-9a-f]+]]: "glob2"
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;
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; Check the .debug_str_offsets section header and make sure the referenced string
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; has the correct offset.
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; BOTH: .debug_str_offsets contents:
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; BOTH-NEXT: 0x00000000: Contribution size = 84, Format = DWARF32, Version = 5
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; BOTH-NEXT: 0x[[CU1_STROFF]]:
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; BOTH-NEXT: {{.*:}}
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; BOTH-NEXT: {{.*:}}
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; BOTH-NEXT: {{.*:}}
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; BOTH-NEXT: {{.*:}}
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; BOTH-NEXT: {{.*:}}
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; BOTH-NEXT: {{.*:}}
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; BOTH-NEXT: {{.*:}}
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; BOTH-NEXT: {{.*:}}
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; The string with index 9 should be "glob2"
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; BOTH-NEXT: {{.*:}} [[GLOB2OFF]]
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;
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; ModuleID = 'test.bc'
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source_filename = "llvm-link"
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@glob1 = global i32 0, align 4, !dbg !0
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@glob2 = global i32 0, align 4, !dbg !11
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@glob3 = global i32 0, align 4, !dbg !22
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!llvm.dbg.cu = !{!2, !13, !24}
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!llvm.ident = !{!33, !33, !33}
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!llvm.module.flags = !{!34, !35, !36}
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!0 = !DIGlobalVariableExpression(var: !1, expr: !DIExpression())
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!1 = distinct !DIGlobalVariable(name: "glob1", scope: !2, file: !3, line: 2, type: !5, isLocal: false, isDefinition: true)
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!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)
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!3 = !DIFile(filename: "a1.cpp", directory: "/home/test", checksumkind: CSK_MD5, checksum: "2ca3eeed18355d6ebbae671eafda5aae")
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!4 = !{!5}
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!5 = distinct !DICompositeType(tag: DW_TAG_enumeration_type, name: "E1", file: !3, line: 1, size: 32, elements: !6, identifier: "_ZTS2E1")
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!6 = !{!7, !8, !9}
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!7 = !DIEnumerator(name: "a", value: 0)
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!8 = !DIEnumerator(name: "b", value: 1)
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!9 = !DIEnumerator(name: "c", value: 2)
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!10 = !{!0}
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!11 = !DIGlobalVariableExpression(var: !12, expr: !DIExpression())
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!12 = distinct !DIGlobalVariable(name: "glob2", scope: !13, file: !14, line: 2, type: !16, isLocal: false, isDefinition: true)
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!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)
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!14 = !DIFile(filename: "b.cpp", directory: "/home/test", checksumkind: CSK_MD5, checksum: "0e254f89617ecb6c4e5473546a99435c")
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!15 = !{!16}
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!16 = distinct !DICompositeType(tag: DW_TAG_enumeration_type, name: "E2", file: !14, line: 1, size: 32, elements: !17, identifier: "_ZTS2E2")
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!17 = !{!18, !19, !20}
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!18 = !DIEnumerator(name: "d", value: 0)
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!19 = !DIEnumerator(name: "e", value: 1)
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!20 = !DIEnumerator(name: "f", value: 2)
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!21 = !{!11}
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!22 = !DIGlobalVariableExpression(var: !23, expr: !DIExpression())
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!23 = distinct !DIGlobalVariable(name: "glob3", scope: !24, file: !25, line: 2, type: !27, isLocal: false, isDefinition: true)
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!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)
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!25 = !DIFile(filename: "c.cpp", directory: "/home/test", checksumkind: CSK_MD5, checksum: "7835aaaa683fa09d295adef0e934d392")
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!26 = !{!27}
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!27 = distinct !DICompositeType(tag: DW_TAG_enumeration_type, name: "E3", file: !25, line: 1, size: 32, elements: !28, identifier: "_ZTS2E3")
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!28 = !{!29, !30, !31}
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!29 = !DIEnumerator(name: "g", value: 0)
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!30 = !DIEnumerator(name: "h", value: 1)
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!31 = !DIEnumerator(name: "i", value: 2)
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!32 = !{!22}
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!33 = !{!"clang version 7.0.0 (trunk 322415)"}
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!34 = !{i32 2, !"Dwarf Version", i32 5}
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!35 = !{i32 2, !"Debug Info Version", i32 3}
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!36 = !{i32 1, !"wchar_size", i32 4}
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