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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
33 lines
1.5 KiB
LLVM
33 lines
1.5 KiB
LLVM
; RUN: not llvm-as -disable-output <%s 2>&1 | FileCheck %s
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; Check that the debug info verifier gives nice errors for bad type refs
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; (rather than crashing).
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!llvm.module.flags = !{!0}
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!0 = !{i32 2, !"Debug Info Version", i32 3}
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; Make a bunch of type references. Note that !4 references !"0.bad" (instead
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; of !"4.bad") to test error ordering.
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!typerefs = !{!1, !2, !3, !4}
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!1 = !DIDerivedType(tag: DW_TAG_pointer_type, size: 32, align: 32, baseType: !"1.good")
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!2 = !DIDerivedType(tag: DW_TAG_pointer_type, size: 32, align: 32, baseType: !"2.bad")
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!3 = !DIDerivedType(tag: DW_TAG_pointer_type, size: 32, align: 32, baseType: !"3.good")
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!4 = !DIDerivedType(tag: DW_TAG_pointer_type, size: 32, align: 32, baseType: !"0.bad")
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; Add a minimal compile unit to resolve some of the type references.
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!llvm.dbg.cu = !{!5}
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!5 = distinct !DICompileUnit(file: !6, language: DW_LANG_C99, retainedTypes: !7)
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!6 = !DIFile(filename: "file.c", directory: "/path/to/dir")
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!7 = !{!8, !9}
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!8 = !DICompositeType(tag: DW_TAG_structure_type, identifier: "1.good")
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!9 = !DICompositeType(tag: DW_TAG_structure_type, identifier: "3.good")
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; CHECK: assembly parsed, but does not verify
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; CHECK-NEXT: unresolved type ref
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; CHECK-NEXT: !"0.bad"
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; CHECK-NEXT: !DIDerivedType(tag: DW_TAG_pointer_type
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; CHECK-SAME: baseType: !"0.bad"
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; CHECK-NEXT: unresolved type ref
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; CHECK-NEXT: !"2.bad"
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; CHECK-NEXT: !DIDerivedType(tag: DW_TAG_pointer_type
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; CHECK-SAME: baseType: !"2.bad"
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; CHECK-NOT: unresolved
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