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de7484036b
Eliminate DITypeIdentifierMap and make DITypeRef a thin wrapper around DIType*. It is no longer legal to refer to a DICompositeType by its 'identifier:', and DIBuilder no longer retains all types with an 'identifier:' automatically. Aside from the bitcode upgrade, this is mainly removing logic to resolve an MDString-based reference to an actualy DIType. The commits leading up to this have made the implicit type map in DICompileUnit's 'retainedTypes:' field superfluous. This does not remove DITypeRef, DIScopeRef, DINodeRef, and DITypeRefArray, or stop using them in DI-related metadata. Although as of this commit they aren't serving a useful purpose, there are patchces under review to reuse them for CodeView support. The tests in LLVM were updated with deref-typerefs.sh, which is attached to the thread "[RFC] Lazy-loading of debug info metadata": http://lists.llvm.org/pipermail/llvm-dev/2016-April/098318.html git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@267296 91177308-0d34-0410-b5e6-96231b3b80d8
55 lines
3.7 KiB
LLVM
55 lines
3.7 KiB
LLVM
; RUN: llvm-as < %s | llvm-dis | llvm-as | llvm-dis | FileCheck %s
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; RUN: verify-uselistorder %s
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; Anchor the order of the nodes.
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!named = !{!0, !1, !2, !3, !4, !5, !6, !7, !8, !9, !10, !11, !12, !13, !14, !15, !16, !17}
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; Some basic building blocks.
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; CHECK: !0 = !DIBasicType
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; CHECK-NEXT: !1 = !DIFile
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; CHECK-NEXT: !2 = !DIFile
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!0 = !DIBasicType(tag: DW_TAG_base_type, name: "name", size: 1, align: 2, encoding: DW_ATE_unsigned_char)
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!1 = !DIFile(filename: "path/to/file", directory: "/path/to/dir")
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!2 = !DIFile(filename: "path/to/other", directory: "/path/to/dir")
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; Define an identified type with fields and functions.
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; CHECK-NEXT: !3 = !DICompositeType(tag: DW_TAG_structure_type, name: "has-uuid",{{.*}}, identifier: "uuid")
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; CHECK-NEXT: !4 = !DIDerivedType(tag: DW_TAG_member, name: "field1", scope: !3, file: !1
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; CHECK-NEXT: !5 = !DIDerivedType(tag: DW_TAG_member, name: "field2", scope: !3, file: !1
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; CHECK-NEXT: !6 = !DISubprogram(name: "foo", linkageName: "foo1", scope: !3, file: !1
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; CHECK-NEXT: !7 = !DISubprogram(name: "foo", linkageName: "foo2", scope: !3, file: !1
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!3 = !DICompositeType(tag: DW_TAG_structure_type, name: "has-uuid", file: !1, line: 2, size: 64, align: 32, identifier: "uuid")
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!4 = !DIDerivedType(tag: DW_TAG_member, name: "field1", scope: !3, file: !1, line: 4, baseType: !0, size: 32, align: 32, offset: 32)
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!5 = !DIDerivedType(tag: DW_TAG_member, name: "field2", scope: !3, file: !1, line: 4, baseType: !0, size: 32, align: 32, offset: 32)
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!6 = !DISubprogram(name: "foo", linkageName: "foo1", scope: !3, file: !1, isDefinition: false)
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!7 = !DISubprogram(name: "foo", linkageName: "foo2", scope: !3, file: !1, isDefinition: false)
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; Define an un-identified type with fields and functions.
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; CHECK-NEXT: !8 = !DICompositeType(tag: DW_TAG_structure_type, name: "no-uuid", file: !1
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; CHECK-NEXT: !9 = !DIDerivedType(tag: DW_TAG_member, name: "field1", scope: !8, file: !1
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; CHECK-NEXT: !10 = !DIDerivedType(tag: DW_TAG_member, name: "field2", scope: !8, file: !1
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; CHECK-NEXT: !11 = !DISubprogram(name: "foo", linkageName: "foo1", scope: !8, file: !1
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; CHECK-NEXT: !12 = !DISubprogram(name: "foo", linkageName: "foo2", scope: !8, file: !1
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!8 = !DICompositeType(tag: DW_TAG_structure_type, name: "no-uuid", file: !1, line: 2, size: 64, align: 32)
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!9 = !DIDerivedType(tag: DW_TAG_member, name: "field1", scope: !8, file: !1, line: 4, baseType: !0, size: 32, align: 32, offset: 32)
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!10 = !DIDerivedType(tag: DW_TAG_member, name: "field2", scope: !8, file: !1, line: 4, baseType: !0, size: 32, align: 32, offset: 32)
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!11 = !DISubprogram(name: "foo", linkageName: "foo1", scope: !8, file: !1, isDefinition: false)
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!12 = !DISubprogram(name: "foo", linkageName: "foo2", scope: !8, file: !1, isDefinition: false)
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; Add duplicate fields and members of "no-uuid" in a different file. These
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; should stick around, since "no-uuid" does not have an "identifier:" field.
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; CHECK-NEXT: !13 = !DIDerivedType(tag: DW_TAG_member, name: "field1", scope: !8, file: !2,
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; CHECK-NEXT: !14 = !DISubprogram(name: "foo", linkageName: "foo1", scope: !8, file: !2,
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!13 = !DIDerivedType(tag: DW_TAG_member, name: "field1", scope: !8, file: !2, line: 4, baseType: !0, size: 32, align: 32, offset: 32)
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!14 = !DISubprogram(name: "foo", linkageName: "foo1", scope: !8, file: !2, isDefinition: false)
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; Add duplicate fields and members of "has-uuid" in a different file. These
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; should be merged.
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!15 = !DIDerivedType(tag: DW_TAG_member, name: "field1", scope: !3, file: !2, line: 4, baseType: !0, size: 32, align: 32, offset: 32)
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!16 = !DISubprogram(name: "foo", linkageName: "foo1", scope: !3, file: !2, isDefinition: false)
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; CHECK-NEXT: !15 = !{!4, !6}
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; CHECK-NOT: !DIDerivedType
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; CHECK-NOT: !DISubprogram
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!17 = !{!15, !16}
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