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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
32 lines
1.2 KiB
LLVM
32 lines
1.2 KiB
LLVM
; REQUIRES: object-emission
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; RUN: %llc_dwarf < %s -filetype=obj | llvm-dwarfdump - | FileCheck %s
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; RUN: %llc_dwarf -split-dwarf=Enable < %s -filetype=obj | llvm-dwarfdump - | FileCheck --check-prefix=FISSION %s
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; darwin has a workaround for a linker bug so it always emits one line table entry
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; XFAIL: darwin
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; Expect no line table entry since there are no functions and file references in this compile unit
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; CHECK: .debug_line contents:
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; CHECK: Line table prologue:
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; CHECK: total_length: 0x00000019
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; CHECK-NOT: file_names[
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; CHECK: .debug_pubnames contents:
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; CHECK-NOT: Offset
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; CHECK: .debug_pubtypes contents:
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; CHECK-NOT: Offset
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; Don't emit DW_AT_addr_base when there are no addresses.
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; FISSION-NOT: DW_AT_GNU_addr_base [DW_FORM_sec_offset]
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!llvm.dbg.cu = !{!0}
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!llvm.module.flags = !{!5}
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!0 = distinct !DICompileUnit(language: DW_LANG_C99, producer: "clang version 3.1 (trunk 143523)", isOptimized: true, emissionKind: 0, file: !4, enums: !2, retainedTypes: !2, subprograms: !2, globals: !2)
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!2 = !{}
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!3 = !DIFile(filename: "empty.c", directory: "/home/nlewycky")
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!4 = !DIFile(filename: "empty.c", directory: "/home/nlewycky")
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!5 = !{i32 1, !"Debug Info Version", i32 3}
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