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3363ed7b0a
[this re-applies c0176916a4824812d25a5a22c4ff7c95857b0cd6 with the correct commit message and phabricator link] This addresses point 1 of PR44213. https://bugs.llvm.org/show_bug.cgi?id=44213 The DW_AT_LLVM_sysroot attribute is used for Clang module debug info, to allow LLDB to import a Clang module from source. Currently it is part of each DW_TAG_module, however, it is the same for all modules in a compile unit. It is more efficient and less ambiguous to store it once in the DW_TAG_compile_unit. This should have no effect on DWARF consumers other than LLDB. Differential Revision: https://reviews.llvm.org/D71732
41 lines
2.2 KiB
LLVM
41 lines
2.2 KiB
LLVM
; RUN: llvm-as < %s | llvm-dis | llvm-as | llvm-dis | FileCheck %s
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; RUN: verify-uselistorder %s
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; Force a specific numbering.
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; CHECK: !named = !{!0, !1, !2, !3, !4, !5, !6, !7, !8, !9}
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!named = !{!0, !1, !2, !3, !4, !5, !6, !7, !8, !9}
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; CHECK: !llvm.dbg.cu = !{!8, !9, !10}
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!llvm.dbg.cu = !{!8, !9, !10}
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!0 = distinct !{}
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!1 = !DIFile(filename: "path/to/file", directory: "/path/to/dir")
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!2 = distinct !{}
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!3 = distinct !{}
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!4 = distinct !{}
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!5 = distinct !{}
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!6 = distinct !{}
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!7 = distinct !{}
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; CHECK: !8 = distinct !DICompileUnit(language: DW_LANG_C99, file: !1, producer: "clang", isOptimized: true, flags: "-O2", runtimeVersion: 2, splitDebugFilename: "abc.debug", emissionKind: FullDebug, enums: !2, retainedTypes: !3, globals: !5, imports: !6, macros: !7, dwoId: 42, sysroot: "/")
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!8 = distinct !DICompileUnit(language: DW_LANG_C99, file: !1, producer: "clang",
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isOptimized: true, flags: "-O2", runtimeVersion: 2,
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splitDebugFilename: "abc.debug",
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emissionKind: FullDebug,
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enums: !2, retainedTypes: !3,
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globals: !5, imports: !6, macros: !7, dwoId: 42,
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splitDebugInlining: true, sysroot: "/")
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; CHECK: !9 = distinct !DICompileUnit(language: DW_LANG_C99, file: !1, isOptimized: false, runtimeVersion: 0, emissionKind: NoDebug)
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!9 = distinct !DICompileUnit(language: 12, file: !1, producer: "",
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isOptimized: false, flags: "", runtimeVersion: 0,
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splitDebugFilename: "", emissionKind: NoDebug)
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; CHECK: !10 = distinct !DICompileUnit(language: DW_LANG_C99, file: !1, producer: "clang", isOptimized: true, flags: "-O2", runtimeVersion: 2, splitDebugFilename: "abc.debug", emissionKind: LineTablesOnly, splitDebugInlining: false)
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!10 = distinct !DICompileUnit(language: DW_LANG_C99, file: !1, producer: "clang",
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isOptimized: true, flags: "-O2", runtimeVersion: 2,
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splitDebugFilename: "abc.debug",
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emissionKind: LineTablesOnly, splitDebugInlining: false)
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!llvm.module.flags = !{!11}
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!11 = !{i32 2, !"Debug Info Version", i32 3}
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