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87c77233df
Since r241097, `DIBuilder` has only created distinct `DICompileUnit`s.
The backend is liable to start relying on that (if it hasn't already),
so make uniquable `DICompileUnit`s illegal and automatically upgrade old
bitcode. This is a nice cleanup, since we can remove an unnecessary
`DenseSet` (and the associated uniquing info) from `LLVMContextImpl`.
Almost all the testcases were updated with this script:
git grep -e '= !DICompileUnit' -l -- test |
grep -v test/Bitcode |
xargs sed -i '' -e 's,= !DICompileUnit,= distinct !DICompileUnit,'
I imagine something similar should work for out-of-tree testcases.
llvm-svn: 243885
41 lines
1.8 KiB
LLVM
41 lines
1.8 KiB
LLVM
; RUN: %llc_dwarf -O0 < %s | FileCheck %s
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; Do not emit AT_upper_bound for an unbounded array.
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; radar 9241695
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define i32 @main() nounwind ssp {
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entry:
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%retval = alloca i32, align 4
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%a = alloca [0 x i32], align 4
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store i32 0, i32* %retval
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call void @llvm.dbg.declare(metadata [0 x i32]* %a, metadata !6, metadata !DIExpression()), !dbg !11
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ret i32 0, !dbg !12
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}
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declare void @llvm.dbg.declare(metadata, metadata, metadata) nounwind readnone
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!llvm.dbg.cu = !{!2}
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!llvm.module.flags = !{!16}
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!0 = !DISubprogram(name: "main", line: 3, isLocal: false, isDefinition: true, virtualIndex: 6, isOptimized: false, scopeLine: 3, file: !14, scope: !1, type: !3, function: i32 ()* @main)
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!1 = !DIFile(filename: "array.c", directory: "/private/tmp")
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!2 = distinct !DICompileUnit(language: DW_LANG_C99, producer: "clang version 3.0 (trunk 129138)", isOptimized: false, emissionKind: 0, file: !14, enums: !15, retainedTypes: !15, subprograms: !13, imports: null)
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!3 = !DISubroutineType(types: !4)
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!4 = !{!5}
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!5 = !DIBasicType(tag: DW_TAG_base_type, name: "int", size: 32, align: 32, encoding: DW_ATE_signed)
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!6 = !DILocalVariable(name: "a", line: 4, scope: !7, file: !1, type: !8)
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!7 = distinct !DILexicalBlock(line: 3, column: 12, file: !14, scope: !0)
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!8 = !DICompositeType(tag: DW_TAG_array_type, align: 32, file: !14, scope: !2, baseType: !5, elements: !9)
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!9 = !{!10}
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;CHECK: section_info:
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;CHECK: DW_TAG_subrange_type
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;CHECK-NEXT: DW_AT_type
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;CHECK-NOT: DW_AT_lower_bound
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;CHECK-NOT: DW_AT_upper_bound
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;CHECK-NEXT: End Of Children Mark
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!10 = !DISubrange(count: -1)
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!11 = !DILocation(line: 4, column: 7, scope: !7)
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!12 = !DILocation(line: 5, column: 3, scope: !7)
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!13 = !{!0}
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!14 = !DIFile(filename: "array.c", directory: "/private/tmp")
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!15 = !{}
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!16 = !{i32 1, !"Debug Info Version", i32 3}
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