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a9fbb2813b
This patch reverses the edge from DIGlobalVariable to GlobalVariable. This will allow us to more easily preserve debug info metadata when manipulating global variables. Fixes PR30362. A program for upgrading test cases is attached to that bug. Differential Revision: http://reviews.llvm.org/D20147 llvm-svn: 281284
146 lines
6.5 KiB
LLVM
146 lines
6.5 KiB
LLVM
; RUN: llc < %s -filetype=obj | llvm-readobj - -codeview | FileCheck %s
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; Check that we keep namespace scopes around the same way MSVC does.
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; We do function scopes slightly differently, but everything should be alright.
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; C++ source to regenerate:
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; namespace foo {
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; namespace bar {
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; void baz() {
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; struct LocalRecord {
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; int x;
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; } l;
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; };
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; struct GlobalRecord {
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; int x;
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; void method();
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; } g;
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; void GlobalRecord::method() {}
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; }
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; }
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; CHECK-LABEL: FuncId ({{.*}}) {
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; CHECK-NEXT: TypeLeafKind: LF_FUNC_ID (0x1601)
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; CHECK-NEXT: ParentScope: foo::bar ({{.*}})
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; CHECK-NEXT: FunctionType: void () ({{.*}})
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; CHECK-NEXT: Name: baz
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; CHECK-NEXT: }
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; CHECK: Struct ({{.*}}) {
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; CHECK: TypeLeafKind: LF_STRUCTURE (0x1505)
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; CHECK: MemberCount: 0
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; CHECK: Properties [ (0x180)
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; CHECK: ForwardReference (0x80)
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; CHECK: Scoped (0x100)
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; CHECK: ]
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; CHECK: FieldList: 0x0
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; CHECK: DerivedFrom: 0x0
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; CHECK: VShape: 0x0
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; CHECK: SizeOf: 0
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; CHECK: Name: foo::bar::baz::LocalRecord
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; CHECK: }
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; CHECK: Struct ({{.*}}) {
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; CHECK: TypeLeafKind: LF_STRUCTURE (0x1505)
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; CHECK: MemberCount: 1
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; CHECK: Properties [ (0x100)
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; CHECK: Scoped (0x100)
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; CHECK: ]
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; CHECK: Name: foo::bar::baz::LocalRecord
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; CHECK: }
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; CHECK: Struct ({{.*}}) {
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; CHECK: TypeLeafKind: LF_STRUCTURE (0x1505)
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; CHECK: MemberCount: 0
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; CHECK: Properties [ (0x280)
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; CHECK: ForwardReference (0x80)
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; CHECK: HasUniqueName (0x200)
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; CHECK: ]
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; CHECK: FieldList: 0x0
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; CHECK: DerivedFrom: 0x0
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; CHECK: VShape: 0x0
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; CHECK: SizeOf: 0
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; CHECK: Name: foo::bar::GlobalRecord
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; CHECK: }
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; CHECK-LABEL: MemberFuncId ({{.*}}) {
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; CHECK-NEXT: TypeLeafKind: LF_MFUNC_ID (0x1602)
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; CHECK-NEXT: ClassType: foo::bar::GlobalRecord ({{.*}})
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; CHECK-NEXT: FunctionType: void foo::bar::GlobalRecord::() ({{.*}})
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; CHECK-NEXT: Name: method
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; CHECK-NEXT: }
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; ModuleID = 't.cpp'
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source_filename = "t.cpp"
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target datalayout = "e-m:w-i64:64-f80:128-n8:16:32:64-S128"
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target triple = "x86_64-pc-windows-msvc19.0.23918"
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%"struct.foo::bar::GlobalRecord" = type { i32 }
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%struct.LocalRecord = type { i32 }
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@"\01?g@bar@foo@@3UGlobalRecord@12@A" = global %"struct.foo::bar::GlobalRecord" zeroinitializer, align 4, !dbg !4
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; Function Attrs: nounwind uwtable
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define void @"\01?baz@bar@foo@@YAXXZ"() #0 !dbg !19 {
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entry:
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%l = alloca %struct.LocalRecord, align 4
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call void @llvm.dbg.declare(metadata %struct.LocalRecord* %l, metadata !22, metadata !26), !dbg !27
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ret void, !dbg !28
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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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; Function Attrs: nounwind uwtable
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define void @"\01?method@GlobalRecord@bar@foo@@QEAAXXZ"(%"struct.foo::bar::GlobalRecord"* %this) #0 align 2 !dbg !29 {
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entry:
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%this.addr = alloca %"struct.foo::bar::GlobalRecord"*, align 8
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store %"struct.foo::bar::GlobalRecord"* %this, %"struct.foo::bar::GlobalRecord"** %this.addr, align 8
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call void @llvm.dbg.declare(metadata %"struct.foo::bar::GlobalRecord"** %this.addr, metadata !30, metadata !26), !dbg !32
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%this1 = load %"struct.foo::bar::GlobalRecord"*, %"struct.foo::bar::GlobalRecord"** %this.addr, align 8
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ret void, !dbg !33
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}
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attributes #0 = { nounwind uwtable "disable-tail-calls"="false" "less-precise-fpmad"="false" "no-frame-pointer-elim"="false" "no-infs-fp-math"="false" "no-jump-tables"="false" "no-nans-fp-math"="false" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+fxsr,+mmx,+sse,+sse2,+x87" "unsafe-fp-math"="false" "use-soft-float"="false" }
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attributes #1 = { nounwind readnone }
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!llvm.dbg.cu = !{!0}
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!llvm.module.flags = !{!15, !16, !17}
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!llvm.ident = !{!18}
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!0 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus, file: !1, producer: "clang version 3.9.0 ", isOptimized: false, runtimeVersion: 0, emissionKind: FullDebug, enums: !2, globals: !3)
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!1 = !DIFile(filename: "t.cpp", directory: "D:\5Csrc\5Cllvm\5Cbuild")
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!2 = !{}
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!3 = !{!4}
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!4 = distinct !DIGlobalVariable(name: "g", linkageName: "\01?g@bar@foo@@3UGlobalRecord@12@A", scope: !5, file: !1, line: 12, type: !7, isLocal: false, isDefinition: true)
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!5 = !DINamespace(name: "bar", scope: !6, file: !1, line: 2)
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!6 = !DINamespace(name: "foo", scope: null, file: !1, line: 1)
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!7 = distinct !DICompositeType(tag: DW_TAG_structure_type, name: "GlobalRecord", scope: !5, file: !1, line: 9, size: 32, align: 32, elements: !8, identifier: ".?AUGlobalRecord@bar@foo@@")
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!8 = !{!9, !11}
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!9 = !DIDerivedType(tag: DW_TAG_member, name: "x", scope: !7, file: !1, line: 10, baseType: !10, size: 32, align: 32)
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!10 = !DIBasicType(name: "int", size: 32, align: 32, encoding: DW_ATE_signed)
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!11 = !DISubprogram(name: "method", linkageName: "\01?method@GlobalRecord@bar@foo@@QEAAXXZ", scope: !7, file: !1, line: 11, type: !12, isLocal: false, isDefinition: false, scopeLine: 11, flags: DIFlagPrototyped, isOptimized: false)
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!12 = !DISubroutineType(types: !13)
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!13 = !{null, !14}
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!14 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !7, size: 64, align: 64, flags: DIFlagArtificial | DIFlagObjectPointer)
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!15 = !{i32 2, !"CodeView", i32 1}
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!16 = !{i32 2, !"Debug Info Version", i32 3}
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!17 = !{i32 1, !"PIC Level", i32 2}
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!18 = !{!"clang version 3.9.0 "}
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!19 = distinct !DISubprogram(name: "baz", linkageName: "\01?baz@bar@foo@@YAXXZ", scope: !5, file: !1, line: 3, type: !20, isLocal: false, isDefinition: true, scopeLine: 3, flags: DIFlagPrototyped, isOptimized: false, unit: !0, variables: !2)
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!20 = !DISubroutineType(types: !21)
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!21 = !{null}
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!22 = !DILocalVariable(name: "l", scope: !19, file: !1, line: 6, type: !23)
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!23 = distinct !DICompositeType(tag: DW_TAG_structure_type, name: "LocalRecord", scope: !19, file: !1, line: 4, size: 32, align: 32, elements: !24)
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!24 = !{!25}
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!25 = !DIDerivedType(tag: DW_TAG_member, name: "x", scope: !23, file: !1, line: 5, baseType: !10, size: 32, align: 32)
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!26 = !DIExpression()
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!27 = !DILocation(line: 6, column: 5, scope: !19)
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!28 = !DILocation(line: 7, column: 1, scope: !19)
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!29 = distinct !DISubprogram(name: "method", linkageName: "\01?method@GlobalRecord@bar@foo@@QEAAXXZ", scope: !7, file: !1, line: 13, type: !12, isLocal: false, isDefinition: true, scopeLine: 13, flags: DIFlagPrototyped, isOptimized: false, unit: !0, declaration: !11, variables: !2)
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!30 = !DILocalVariable(name: "this", arg: 1, scope: !29, type: !31, flags: DIFlagArtificial | DIFlagObjectPointer)
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!31 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !7, size: 64, align: 64)
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!32 = !DILocation(line: 0, scope: !29)
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!33 = !DILocation(line: 13, column: 30, scope: !29)
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