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c61bc48acb
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.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@243885 91177308-0d34-0410-b5e6-96231b3b80d8
23 lines
1.1 KiB
LLVM
23 lines
1.1 KiB
LLVM
; RUN: llc -O0 < %s -o /dev/null
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; llc should not crash on this optimized out debug info.
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; PR6588
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declare void @llvm.dbg.declare(metadata, metadata, metadata) nounwind readnone
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define void @foo() {
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entry:
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call void @llvm.dbg.declare(metadata i32* undef, metadata !0, metadata !DIExpression()), !dbg !DILocation(scope: !1)
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ret void
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}
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!0 = !DILocalVariable(name: "sy", line: 890, arg: 1, scope: !1, file: !2, type: !7)
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!1 = !DISubprogram(name: "foo", linkageName: "foo", line: 892, isLocal: false, isDefinition: true, virtualIndex: 6, isOptimized: false, file: !8, scope: !3, type: !4)
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!2 = !DIFile(filename: "qpainter.h", directory: "QtGui")
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!3 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus, producer: "clang 1.1", isOptimized: true, emissionKind: 0, file: !9, enums: !10, retainedTypes: !10)
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!4 = !DISubroutineType(types: !6)
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!5 = !DIFile(filename: "splineeditor.cpp", directory: "src")
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!6 = !{null}
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!7 = !DIBasicType(tag: DW_TAG_base_type, name: "int", size: 32, align: 32, encoding: DW_ATE_signed)
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!8 = !DIFile(filename: "qpainter.h", directory: "QtGui")
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!9 = !DIFile(filename: "splineeditor.cpp", directory: "src")
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!10 = !{i32 0}
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