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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
28 lines
1.4 KiB
LLVM
28 lines
1.4 KiB
LLVM
; RUN: llc -mtriple=x86_64-macosx %s -o %t -filetype=obj
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; RUN: llvm-dwarfdump -debug-dump=info %t | FileCheck %s
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; CHECK: DW_TAG_structure_type
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; CHECK: DW_AT_declaration
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; CHECK: DW_AT_APPLE_runtime_class
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%0 = type opaque
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@a = common global %0* null, align 8
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!llvm.dbg.cu = !{!0}
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!llvm.module.flags = !{!9, !10, !11, !12, !14}
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!0 = distinct !DICompileUnit(language: DW_LANG_ObjC, producer: "clang version 3.1 (trunk 152054 trunk 152094)", isOptimized: false, runtimeVersion: 2, emissionKind: 0, file: !13, enums: !1, retainedTypes: !1, subprograms: !1, globals: !3, imports: !1)
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!1 = !{}
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!3 = !{!5}
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!5 = !DIGlobalVariable(name: "a", line: 3, isLocal: false, isDefinition: true, scope: null, file: !6, type: !7, variable: %0** @a)
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!6 = !DIFile(filename: "foo.m", directory: "/Users/echristo")
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!7 = !DIDerivedType(tag: DW_TAG_pointer_type, size: 64, align: 64, baseType: !8)
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!8 = !DICompositeType(tag: DW_TAG_structure_type, name: "FooBarBaz", line: 1, flags: DIFlagFwdDecl, runtimeLang: DW_LANG_ObjC, file: !13)
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!9 = !{i32 1, !"Objective-C Version", i32 2}
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!10 = !{i32 1, !"Objective-C Image Info Version", i32 0}
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!11 = !{i32 1, !"Objective-C Image Info Section", !"__DATA, __objc_imageinfo, regular, no_dead_strip"}
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!12 = !{i32 4, !"Objective-C Garbage Collection", i32 0}
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!13 = !DIFile(filename: "foo.m", directory: "/Users/echristo")
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!14 = !{i32 1, !"Debug Info Version", i32 3}
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