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94512f24de
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 llvm-svn: 267296
98 lines
4.6 KiB
LLVM
98 lines
4.6 KiB
LLVM
; REQUIRES: object-emission
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; Test (r)value qualifiers on C++11 non-static member functions.
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; Generated from tools/clang/test/CodeGenCXX/debug-info-qualifiers.cpp
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;
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; class A {
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; public:
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; void l() const &;
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; void r() const &&;
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; };
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;
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; void g() {
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; A a;
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; auto pl = &A::l;
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; auto pr = &A::r;
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; }
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;
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; RUN: %llc_dwarf -filetype=obj -O0 < %s | llvm-dwarfdump - | FileCheck %s
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; CHECK: DW_TAG_subroutine_type DW_CHILDREN_yes
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; CHECK-NEXT: DW_AT_reference DW_FORM_flag_present
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; CHECK: DW_TAG_subroutine_type DW_CHILDREN_yes
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; CHECK-NEXT: DW_AT_rvalue_reference DW_FORM_flag_present
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;
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; CHECK: DW_TAG_subprogram
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; CHECK-NOT: DW_TAG_subprogram
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; CHECK: DW_AT_name {{.*}}"l"
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; CHECK-NOT: DW_TAG_subprogram
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; CHECK: DW_AT_reference [DW_FORM_flag_present] (true)
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; CHECK: DW_TAG_subprogram
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; CHECK-NOT: DW_TAG_subprogram
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; CHECK: DW_AT_name {{.*}}"r"
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; CHECK-NOT: DW_TAG_subprogram
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; CHECK: DW_AT_rvalue_reference [DW_FORM_flag_present] (true)
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%class.A = type { i8 }
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; Function Attrs: nounwind
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define void @_Z1gv() #0 !dbg !17 {
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%a = alloca %class.A, align 1
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%pl = alloca { i64, i64 }, align 8
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%pr = alloca { i64, i64 }, align 8
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call void @llvm.dbg.declare(metadata %class.A* %a, metadata !24, metadata !DIExpression()), !dbg !25
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call void @llvm.dbg.declare(metadata { i64, i64 }* %pl, metadata !26, metadata !DIExpression()), !dbg !31
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store { i64, i64 } { i64 ptrtoint (void (%class.A*)* @_ZNKR1A1lEv to i64), i64 0 }, { i64, i64 }* %pl, align 8, !dbg !31
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call void @llvm.dbg.declare(metadata { i64, i64 }* %pr, metadata !32, metadata !DIExpression()), !dbg !35
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store { i64, i64 } { i64 ptrtoint (void (%class.A*)* @_ZNKO1A1rEv to i64), i64 0 }, { i64, i64 }* %pr, align 8, !dbg !35
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ret void, !dbg !36
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}
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; Function Attrs: nounwind readnone
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declare void @llvm.dbg.declare(metadata, metadata, metadata) #1
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declare void @_ZNKR1A1lEv(%class.A*)
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declare void @_ZNKO1A1rEv(%class.A*)
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attributes #0 = { nounwind }
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attributes #1 = { nounwind readnone }
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!llvm.dbg.cu = !{!0}
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!llvm.module.flags = !{!21, !22}
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!llvm.ident = !{!23}
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!0 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus, producer: "clang version 3.5 ", isOptimized: false, emissionKind: FullDebug, file: !1, enums: !2, retainedTypes: !3, globals: !2, imports: !2)
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!1 = !DIFile(filename: "debug-info-qualifiers.cpp", directory: "")
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!2 = !{}
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!3 = !{!4}
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!4 = !DICompositeType(tag: DW_TAG_class_type, name: "A", line: 2, size: 8, align: 8, file: !5, elements: !6, identifier: "_ZTS1A")
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!5 = !DIFile(filename: "debug-info-qualifiers.cpp", directory: "")
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!6 = !{!7, !13}
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!7 = !DISubprogram(name: "l", linkageName: "_ZNKR1A1lEv", line: 5, isLocal: false, isDefinition: false, virtualIndex: 6, flags: DIFlagPrototyped | DIFlagLValueReference, isOptimized: false, scopeLine: 5, file: !5, scope: !4, type: !8)
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!8 = !DISubroutineType(flags: DIFlagLValueReference, types: !9)
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!9 = !{null, !10}
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!10 = !DIDerivedType(tag: DW_TAG_pointer_type, size: 64, align: 64, flags: DIFlagArtificial | DIFlagObjectPointer, baseType: !11)
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!11 = !DIDerivedType(tag: DW_TAG_const_type, baseType: !4)
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!13 = !DISubprogram(name: "r", linkageName: "_ZNKO1A1rEv", line: 7, isLocal: false, isDefinition: false, virtualIndex: 6, flags: DIFlagObjectPointer | DIFlagRValueReference, isOptimized: false, scopeLine: 7, file: !5, scope: !4, type: !14)
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!14 = !DISubroutineType(flags: DIFlagRValueReference, types: !9)
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!17 = distinct !DISubprogram(name: "g", linkageName: "_Z1gv", line: 10, isLocal: false, isDefinition: true, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: false, unit: !0, scopeLine: 10, file: !5, scope: !18, type: !19, variables: !2)
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!18 = !DIFile(filename: "debug-info-qualifiers.cpp", directory: "")
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!19 = !DISubroutineType(types: !20)
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!20 = !{null}
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!21 = !{i32 2, !"Dwarf Version", i32 4}
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!22 = !{i32 1, !"Debug Info Version", i32 3}
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!23 = !{!"clang version 3.5 "}
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!24 = !DILocalVariable(name: "a", line: 11, scope: !17, file: !18, type: !4)
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!25 = !DILocation(line: 11, scope: !17)
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!26 = !DILocalVariable(name: "pl", line: 16, scope: !17, file: !18, type: !27)
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!27 = !DIDerivedType(tag: DW_TAG_ptr_to_member_type, baseType: !28, extraData: !4)
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!28 = !DISubroutineType(flags: DIFlagLValueReference, types: !29)
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!29 = !{null, !30}
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!30 = !DIDerivedType(tag: DW_TAG_pointer_type, size: 64, align: 64, flags: DIFlagArtificial | DIFlagObjectPointer, baseType: !4)
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!31 = !DILocation(line: 16, scope: !17)
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!32 = !DILocalVariable(name: "pr", line: 21, scope: !17, file: !18, type: !33)
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!33 = !DIDerivedType(tag: DW_TAG_ptr_to_member_type, baseType: !34, extraData: !4)
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!34 = !DISubroutineType(flags: DIFlagRValueReference, types: !29)
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!35 = !DILocation(line: 21, scope: !17)
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!36 = !DILocation(line: 22, scope: !17)
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