diff options
Diffstat (limited to 'llvm/test/DebugInfo/X86/string-offsets-multiple-cus.ll')
| -rw-r--r-- | llvm/test/DebugInfo/X86/string-offsets-multiple-cus.ll | 157 |
1 files changed, 157 insertions, 0 deletions
diff --git a/llvm/test/DebugInfo/X86/string-offsets-multiple-cus.ll b/llvm/test/DebugInfo/X86/string-offsets-multiple-cus.ll new file mode 100644 index 00000000000..7eb765f4175 --- /dev/null +++ b/llvm/test/DebugInfo/X86/string-offsets-multiple-cus.ll @@ -0,0 +1,157 @@ +; REQUIRES: object-emission +; RUN: %llc_dwarf -mtriple=x86_64-unknown-linux-gnu -filetype=obj < %s | llvm-dwarfdump -v - | \ +; RUN: FileCheck --check-prefix=DEFAULT --check-prefix=BOTH %s +; RUN: %llc_dwarf -mtriple=x86_64-unknown-linux-gnu -filetype=obj -generate-type-units < %s | \ +; RUN: llvm-dwarfdump -v - | FileCheck --check-prefix=TYPEUNITS --check-prefix=BOTH %s +; +; Check that we generate the DWARF v5 string offsets section correctly when we +; have multiple compile and type units. All units share one contribution to +; the string offsets section. +; +; Constructed from the following sources with +; clang -gdwarf-5 -emit-llvm -S a.cpp +; clang -gdwarf-5 -emit-llvm -S b.cpp +; clang -gdwarf-5 -emit-llvm -S c.cpp +; llvm-link a.ll b.ll c.ll -o test.bc +; llvm-dis test.bc -o test.ll +; +; a.cpp: +; enum E1 {a, b, c}; +; E1 glob1; +; +; b.cpp: +; enum E2 {d, e, f}; +; E2 glob2; +; +; c.cpp: +; enum E3 {g, h, i}; +; E3 glob3; +; +; Check that all 3 compile units have the correct DW_AT_str_offsets_base attributes +; with the correct offsets. Check that strings referenced by compile units 2 and 3 +; are displayed correctly. +; +; CU 1 +; BOTH: .debug_info contents: +; BOTH-NOT: .contents: +; BOTH: DW_TAG_compile_unit +; BOTH-NOT: {{DW_TAG|NULL}} +; BOTH: DW_AT_str_offsets_base [DW_FORM_sec_offset] (0x[[CU1_STROFF:[0-9a-f]+]]) +; +; CU 2 +; BOTH-NOT: contents: +; BOTH: DW_TAG_compile_unit +; BOTH-NOT: {{DW_TAG|NULL}} +; BOTH: DW_AT_str_offsets_base [DW_FORM_sec_offset] (0x[[CU1_STROFF]]) +; BOTH-NOT: NULL +; BOTH: DW_TAG_variable +; BOTH-NOT: {{DW_TAG|NULL}} +; BOTH: DW_AT_name [DW_FORM_strx1] ( indexed (00000009) string = "glob2") +; +; CU 3 +; BOTH-NOT: contents: +; BOTH: DW_TAG_compile_unit +; BOTH-NOT: {{DW_TAG|NULL}} +; BOTH: DW_AT_str_offsets_base [DW_FORM_sec_offset] (0x[[CU1_STROFF]]) +; BOTH-NOT: NULL +; BOTH: DW_TAG_variable +; BOTH-NOT: {{DW_TAG|NULL}} +; BOTH: DW_AT_name [DW_FORM_strx1] ( indexed (0000000f) string = "glob3") +; +; Verify that all 3 type units have the proper DW_AT_str_offsets_base attribute. +; TYPEUNITS: .debug_types contents: +; TYPEUNITS-NOT: contents: +; TYPEUNITS: DW_TAG_type_unit +; TYPEUNITS-NOT: {{DW_TAG|NULL}} +; TYPEUNITS: DW_AT_str_offsets_base [DW_FORM_sec_offset] (0x[[CU1_STROFF]]) +; TYPEUNITS-NOT: NULL +; TYPEUNITS: DW_TAG_enumerator +; TYPEUNITS-NOT: NULL +; TYPEUNITS: DW_TAG_enumerator +; TYPEUNITS-NOT: {{DW_TAG|NULL}} +; TYPEUNITS: DW_AT_name [DW_FORM_strx1] ( indexed (00000005) string = "b") +; TYPEUNITS-NOT: contents: +; TYPEUNITS: DW_TAG_type_unit +; TYPEUNITS-NOT: {{DW_TAG|NULL}} +; TYPEUNITS: DW_AT_str_offsets_base [DW_FORM_sec_offset] (0x[[CU1_STROFF]]) +; TYPEUNITS-NOT: NULL +; TYPEUNITS: DW_TAG_enumeration_type +; TYPEUNITS: DW_AT_name [DW_FORM_strx1] ( indexed (0000000d) string = "E2") +; TYPEUNITS-NOT: contents: +; TYPEUNITS: DW_TAG_type_unit +; TYPEUNITS-NOT: {{DW_TAG|NULL}} +; TYPEUNITS: DW_AT_str_offsets_base [DW_FORM_sec_offset] (0x[[CU1_STROFF]]) +; TYPEUNITS-NOT: NULL +; TYPEUNITS: DW_TAG_enumeration_type +; TYPEUNITS: DW_AT_name [DW_FORM_strx1] ( indexed (00000013) string = "E3") +; +; Extract the offset of a string to verify that it is referenced in the string +; offsets section. +; BOTH: .debug_str contents: +; BOTH-NOT: contents: +; BOTH: 0x[[GLOB2OFF:[0-9a-f]+]]: "glob2" +; +; Check the .debug_str_offsets section header and make sure the referenced string +; has the correct offset. +; BOTH: .debug_str_offsets contents: +; BOTH-NEXT: 0x00000000: Contribution size = 80, Format = DWARF32, Version = 5 +; BOTH-NEXT: 0x[[CU1_STROFF]]: +; BOTH-NEXT: {{.*:}} +; BOTH-NEXT: {{.*:}} +; BOTH-NEXT: {{.*:}} +; BOTH-NEXT: {{.*:}} +; BOTH-NEXT: {{.*:}} +; BOTH-NEXT: {{.*:}} +; BOTH-NEXT: {{.*:}} +; BOTH-NEXT: {{.*:}} +; The string with index 9 should be "glob2" +; BOTH-NEXT: {{.*:}} [[GLOB2OFF]] +; +; ModuleID = 'test.bc' +source_filename = "llvm-link" + +@glob1 = global i32 0, align 4, !dbg !0 +@glob2 = global i32 0, align 4, !dbg !11 +@glob3 = global i32 0, align 4, !dbg !22 + +!llvm.dbg.cu = !{!2, !13, !24} +!llvm.ident = !{!33, !33, !33} +!llvm.module.flags = !{!34, !35, !36} + +!0 = !DIGlobalVariableExpression(var: !1, expr: !DIExpression()) +!1 = distinct !DIGlobalVariable(name: "glob1", scope: !2, file: !3, line: 2, type: !5, isLocal: false, isDefinition: true) +!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) +!3 = !DIFile(filename: "a1.cpp", directory: "/home/test", checksumkind: CSK_MD5, checksum: "2ca3eeed18355d6ebbae671eafda5aae") +!4 = !{!5} +!5 = distinct !DICompositeType(tag: DW_TAG_enumeration_type, name: "E1", file: !3, line: 1, size: 32, elements: !6, identifier: "_ZTS2E1") +!6 = !{!7, !8, !9} +!7 = !DIEnumerator(name: "a", value: 0) +!8 = !DIEnumerator(name: "b", value: 1) +!9 = !DIEnumerator(name: "c", value: 2) +!10 = !{!0} +!11 = !DIGlobalVariableExpression(var: !12, expr: !DIExpression()) +!12 = distinct !DIGlobalVariable(name: "glob2", scope: !13, file: !14, line: 2, type: !16, isLocal: false, isDefinition: true) +!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) +!14 = !DIFile(filename: "b.cpp", directory: "/home/test", checksumkind: CSK_MD5, checksum: "0e254f89617ecb6c4e5473546a99435c") +!15 = !{!16} +!16 = distinct !DICompositeType(tag: DW_TAG_enumeration_type, name: "E2", file: !14, line: 1, size: 32, elements: !17, identifier: "_ZTS2E2") +!17 = !{!18, !19, !20} +!18 = !DIEnumerator(name: "d", value: 0) +!19 = !DIEnumerator(name: "e", value: 1) +!20 = !DIEnumerator(name: "f", value: 2) +!21 = !{!11} +!22 = !DIGlobalVariableExpression(var: !23, expr: !DIExpression()) +!23 = distinct !DIGlobalVariable(name: "glob3", scope: !24, file: !25, line: 2, type: !27, isLocal: false, isDefinition: true) +!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) +!25 = !DIFile(filename: "c.cpp", directory: "/home/test", checksumkind: CSK_MD5, checksum: "7835aaaa683fa09d295adef0e934d392") +!26 = !{!27} +!27 = distinct !DICompositeType(tag: DW_TAG_enumeration_type, name: "E3", file: !25, line: 1, size: 32, elements: !28, identifier: "_ZTS2E3") +!28 = !{!29, !30, !31} +!29 = !DIEnumerator(name: "g", value: 0) +!30 = !DIEnumerator(name: "h", value: 1) +!31 = !DIEnumerator(name: "i", value: 2) +!32 = !{!22} +!33 = !{!"clang version 7.0.0 (trunk 322415)"} +!34 = !{i32 2, !"Dwarf Version", i32 5} +!35 = !{i32 2, !"Debug Info Version", i32 3} +!36 = !{i32 1, !"wchar_size", i32 4} |
