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aaf7680a50
This can come up in ThinLTO & wastes space & makes degenerate IR. As per the added FIXME, ultimately, local imported entities should hang off the function and that way the imported entity list on the CU can be tested for emptiness like all the other CU lists. (function-attached local imported entities are probably also the best path forward for fixing how imported entities are handled both in cross-module use (currently, while ThinLTO preserves the imported entities, they would not get used at the imported inlined location - only in the abstract origin that appears in the partial CU created by the import (which isn't emitted under Fission due to cross-CU limitations there)) and to reduce the number of points where imported entities are emitted (they're currently emitted into every inlined instance, concrete instance, and abstract origin - they should only go in teh abstract origin if there is one, otherwise in the concrete instance - but this requires lots of delayed handling and wiring up, same as abstract variables & subprograms)) llvm-svn: 309354
21 lines
1.1 KiB
LLVM
21 lines
1.1 KiB
LLVM
; RUN: %llc_dwarf %s -filetype=obj -o - | llvm-objdump -h - | FileCheck %s
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; REQUIRES: default_triple
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; CHECK-NOT: .debug_
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!llvm.dbg.cu = !{!0, !5}
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!llvm.module.flags = !{!3, !4}
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!0 = distinct !DICompileUnit(language: DW_LANG_C99, file: !1, producer: "LLVM", isOptimized: false, runtimeVersion: 2, emissionKind: FullDebug, enums: !2, retainedTypes: !2, globals: !2, imports: !2)
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!1 = !DIFile(filename: "<stdin>", directory: "/")
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!2 = !{}
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!3 = !{i32 2, !"Dwarf Version", i32 4}
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!4 = !{i32 2, !"Debug Info Version", i32 3}
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!5 = distinct !DICompileUnit(language: DW_LANG_C99, file: !1, producer: "LLVM", isOptimized: false, runtimeVersion: 0, emissionKind: FullDebug, imports: !6)
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!6 = !{!7}
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!7 = !DIImportedEntity(tag: DW_TAG_imported_module, scope: !8, entity: !8, file: !1, line: 3)
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!8 = distinct !DISubprogram(name: "f2", linkageName: "_Z2f2v", scope: !1, file: !1, line: 2, type: !9, isLocal: false, isDefinition: true, scopeLine: 2, flags: DIFlagPrototyped, isOptimized: false, unit: !5, variables: !2)
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!9 = !DISubroutineType(types: !10)
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!10 = !{null}
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!11 = !DINamespace(name: "ns", scope: null)
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