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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
17 lines
653 B
LLVM
17 lines
653 B
LLVM
; RUN: llvm-link %s %p/debug-info-version-b.ll -S -o - | FileCheck %s
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; Test linking of incompatible debug info versions. The debug info
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; from the other file should be dropped.
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; CHECK-NOT: !DIFile(filename: "b.c", directory: "")
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; CHECK: !DIFile(filename: "a.c", directory: "")
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; CHECK-NOT: !DIFile(filename: "b.c", directory: "")
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!llvm.module.flags = !{ !0 }
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!llvm.dbg.cu = !{!1}
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!0 = !{i32 2, !"Debug Info Version", i32 3}
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!1 = distinct !DICompileUnit(language: DW_LANG_C99, producer: "clang", isOptimized: true, emissionKind: 0, file: !2, enums: !3, retainedTypes: !3, subprograms: !3)
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!2 = !DIFile(filename: "a.c", directory: "")
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!3 = !{}
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