42 lines
1.9 KiB
LLVM
42 lines
1.9 KiB
LLVM
; RUN: opt -analyze -module-debuginfo < %s | FileCheck %s
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; This is to track DebugInfoFinder's ability to find the debug info metadata,
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; in particular, properly visit different kinds of DIImportedEntit'ies.
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; Derived from the following C++ snippet
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;
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; namespace s {
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; int i;
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; }
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;
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; using s::i;
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;
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; compiled with `clang -O1 -g3 -emit-llvm -S`
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; CHECK: Printing analysis 'Decodes module-level debug info':
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; CHECK: Compile unit: DW_LANG_C_plus_plus from /somewhere/source.cpp
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; CHECK: Global variable: i from /somewhere/source.cpp:2 ('_ZN1s1iE')
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; CHECK: Type: int DW_ATE_signed
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@_ZN1s1iE = local_unnamed_addr global i32 0, align 4, !dbg !0
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!llvm.dbg.cu = !{!5}
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!llvm.module.flags = !{!10, !11, !12, !13}
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!llvm.ident = !{!14}
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!0 = !DIGlobalVariableExpression(var: !1, expr: !DIExpression())
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!1 = distinct !DIGlobalVariable(name: "i", linkageName: "_ZN1s1iE", scope: !2, file: !3, line: 2, type: !4, isLocal: false, isDefinition: true)
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!2 = !DINamespace(name: "s", scope: null)
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!3 = !DIFile(filename: "source.cpp", directory: "/somewhere")
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!4 = !DIBasicType(name: "int", size: 32, encoding: DW_ATE_signed)
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!5 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus, file: !3, producer: "clang version 7.0.99 (https://git.llvm.org/git/clang.git/ ec45e6c6530b8f9a1046d0a7efae467b3151783b) (https://git.llvm.org/git/llvm.git/ 9d2fcc2bf4a301d05d9b440a805847645637ab28)", isOptimized: true, runtimeVersion: 0, emissionKind: FullDebug, enums: !6, globals: !7, imports: !8)
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!6 = !{}
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!7 = !{!0}
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!8 = !{!9}
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!9 = !DIImportedEntity(tag: DW_TAG_imported_declaration, scope: !5, entity: !1, file: !3, line: 5)
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!10 = !{i32 2, !"Dwarf Version", i32 4}
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!11 = !{i32 2, !"Debug Info Version", i32 3}
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!12 = !{i32 1, !"wchar_size", i32 4}
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!13 = !{i32 7, !"PIC Level", i32 2}
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!14 = !{!"clang version 7.0.99 (https://git.llvm.org/git/clang.git/ ec45e6c6530b8f9a1046d0a7efae467b3151783b) (https://git.llvm.org/git/llvm.git/ 9d2fcc2bf4a301d05d9b440a805847645637ab28)"}
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