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attachments. They would crash the backend, which expects all DISubprograms that are not part of the type system to have a unit field. Clang right before https://reviews.llvm.org/D79967 would generate this kind of broken IR. rdar://problem/69534688 Thanks to Fangrui for fixing an assembler test I had missed! https://reviews.llvm.org/D88270
17 lines
771 B
LLVM
17 lines
771 B
LLVM
; RUN: llvm-as -disable-output <%s 2>&1| FileCheck %s
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define i32 @_Z3foov() local_unnamed_addr !dbg !9 {
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ret i32 5
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}
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!llvm.module.flags = !{!2}
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!llvm.dbg.cu = !{!5}
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!llvm.linker.options = !{}
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!2 = !{i32 2, !"Debug Info Version", i32 3}
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!5 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus_14, file: !6, producer: "clang", isOptimized: true, runtimeVersion: 0, emissionKind: FullDebug)
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!6 = !DIFile(filename: "t.cpp", directory: "/")
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!7 = !{}
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; CHECK: function definition may only have a distinct !dbg attachment
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; CHECK: warning: ignoring invalid debug info
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!9 = !DISubprogram(name: "foo", linkageName: "_Z3foov", scope: !6, file: !6, line: 2, type: !11, flags: DIFlagPrototyped, spFlags: DISPFlagOptimized, retainedNodes: !7)
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!11 = !DISubroutineType(types: !7)
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