| ; RUN: llc -mtriple=x86_64-unknown-linux-gnu -filetype=obj < %s | llvm-dwarfdump -v - | \ |
| ; RUN: FileCheck --check-prefix=DEFAULT --check-prefix=BOTH %s |
| ; RUN: llc -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. |
| ; |
| ; BOTH: .debug_info contents: |
| ; |
| ; Verify that all 3 type units have the proper DW_AT_str_offsets_base attribute. |
| ; 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:[0-9a-f]+]]) |
| ; 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") |
| |
| ; CU 1 |
| ; BOTH-NOT: .contents: |
| ; BOTH: DW_TAG_compile_unit |
| ; BOTH-NOT: {{DW_TAG|NULL}} |
| ; DEFAULT: DW_AT_str_offsets_base [DW_FORM_sec_offset] (0x[[CU1_STROFF:[0-9a-f]+]]) |
| ; TYPEUNITS: DW_AT_str_offsets_base [DW_FORM_sec_offset] (0x[[CU1_STROFF]]) |
| ; |
| ; 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") |
| ; |
| ; 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 = 84, 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} |