[llvm] r327414 - Revert r327397 [CodeView] Omit forward references for unnamed structs and ...
Brock Wyma via llvm-commits
llvm-commits at lists.llvm.org
Tue Mar 13 08:56:20 PDT 2018
Author: bwyma
Date: Tue Mar 13 08:56:20 2018
New Revision: 327414
URL: http://llvm.org/viewvc/llvm-project?rev=327414&view=rev
Log:
Revert r327397 [CodeView] Omit forward references for unnamed structs and ...
This reverts commit r327397 to investigate a buildbot failure.
Removed:
llvm/trunk/test/DebugInfo/COFF/types-recursive-unnamed.ll
llvm/trunk/test/DebugInfo/COFF/unnamed.ll
Modified:
llvm/trunk/lib/CodeGen/AsmPrinter/CodeViewDebug.cpp
llvm/trunk/test/DebugInfo/COFF/bitfields.ll
Modified: llvm/trunk/lib/CodeGen/AsmPrinter/CodeViewDebug.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/CodeGen/AsmPrinter/CodeViewDebug.cpp?rev=327414&r1=327413&r2=327414&view=diff
==============================================================================
--- llvm/trunk/lib/CodeGen/AsmPrinter/CodeViewDebug.cpp (original)
+++ llvm/trunk/lib/CodeGen/AsmPrinter/CodeViewDebug.cpp Tue Mar 13 08:56:20 2018
@@ -1936,28 +1936,7 @@ ClassInfo CodeViewDebug::collectClassInf
return Info;
}
-static bool shouldAlwaysEmitCompleteClassType(const DICompositeType *Ty) {
- // This routine is used by lowerTypeClass and lowerTypeUnion to determine
- // if a complete type should be emitted instead of a forward reference.
- return Ty->getName().empty() && Ty->getIdentifier().empty() &&
- !Ty->isForwardDecl();
-}
-
TypeIndex CodeViewDebug::lowerTypeClass(const DICompositeType *Ty) {
- // Emit the complete type for unnamed structs. C++ classes with methods
- // which have a circular reference back to the class type are expected to
- // be named by the front-end and should not be "unnamed". C unnamed
- // structs should not have circular references.
- if (shouldAlwaysEmitCompleteClassType(Ty)) {
- // If this unnamed complete type is already in the process of being defined
- // then the description of the type is malformed and cannot be emitted
- // into CodeView correctly so report a fatal error.
- auto I = CompleteTypeIndices.find(Ty);
- if (I != CompleteTypeIndices.end() && I->second == TypeIndex())
- report_fatal_error("cannot debug circular reference to unnamed type");
- return getCompleteTypeIndex(Ty);
- }
-
// First, construct the forward decl. Don't look into Ty to compute the
// forward decl options, since it might not be available in all TUs.
TypeRecordKind Kind = getRecordKind(Ty);
@@ -2002,10 +1981,6 @@ TypeIndex CodeViewDebug::lowerCompleteTy
}
TypeIndex CodeViewDebug::lowerTypeUnion(const DICompositeType *Ty) {
- // Emit the complete type for unnamed unions.
- if (shouldAlwaysEmitCompleteClassType(Ty))
- return getCompleteTypeIndex(Ty);
-
ClassOptions CO =
ClassOptions::ForwardReference | getCommonClassOptions(Ty);
std::string FullName = getFullyQualifiedName(Ty);
@@ -2236,7 +2211,9 @@ TypeIndex CodeViewDebug::getCompleteType
return getTypeIndex(Ty);
}
- // Check if we've already translated the complete record type.
+ // Check if we've already translated the complete record type. Lowering a
+ // complete type should never trigger lowering another complete type, so we
+ // can reuse the hash table lookup result.
const auto *CTy = cast<DICompositeType>(Ty);
auto InsertResult = CompleteTypeIndices.insert({CTy, TypeIndex()});
if (!InsertResult.second)
@@ -2247,16 +2224,13 @@ TypeIndex CodeViewDebug::getCompleteType
// Make sure the forward declaration is emitted first. It's unclear if this
// is necessary, but MSVC does it, and we should follow suit until we can show
// otherwise.
- // We only emit a forward declaration for named types.
- if (!CTy->getName().empty() || !CTy->getIdentifier().empty()) {
- TypeIndex FwdDeclTI = getTypeIndex(CTy);
-
- // Just use the forward decl if we don't have complete type info. This
- // might happen if the frontend is using modules and expects the complete
- // definition to be emitted elsewhere.
- if (CTy->isForwardDecl())
- return FwdDeclTI;
- }
+ TypeIndex FwdDeclTI = getTypeIndex(CTy);
+
+ // Just use the forward decl if we don't have complete type info. This might
+ // happen if the frontend is using modules and expects the complete definition
+ // to be emitted elsewhere.
+ if (CTy->isForwardDecl())
+ return FwdDeclTI;
TypeIndex TI;
switch (CTy->getTag()) {
@@ -2271,11 +2245,7 @@ TypeIndex CodeViewDebug::getCompleteType
llvm_unreachable("not a record");
}
- // Update the type index associated with this CompositeType. This cannot
- // use the 'InsertResult' iterator above because it is potentially
- // invalidated by map insertions which can occur while lowering the class
- // type above.
- CompleteTypeIndices[CTy] = TI;
+ InsertResult.first->second = TI;
return TI;
}
Modified: llvm/trunk/test/DebugInfo/COFF/bitfields.ll
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/DebugInfo/COFF/bitfields.ll?rev=327414&r1=327413&r2=327414&view=diff
==============================================================================
--- llvm/trunk/test/DebugInfo/COFF/bitfields.ll (original)
+++ llvm/trunk/test/DebugInfo/COFF/bitfields.ll Tue Mar 13 08:56:20 2018
@@ -63,29 +63,15 @@
; CHECK: BitSize: 2
; CHECK: BitOffset: 23
; CHECK: }
-; CHECK: FieldList ([[anon_fl:.*]]) {
-; CHECK: TypeLeafKind: LF_FIELDLIST (0x1203)
-; CHECK: DataMember {
-; CHECK: TypeLeafKind: LF_MEMBER (0x150D)
-; CHECK: Type: char (0x70)
-; CHECK: FieldOffset: 0x0
-; CHECK: Name: c
-; CHECK: }
-; CHECK: DataMember {
-; CHECK: TypeLeafKind: LF_MEMBER (0x150D)
-; CHECK: Type: short (0x11)
-; CHECK: FieldOffset: 0x1
-; CHECK: Name: s
-; CHECK: }
-; CHECK: }
; CHECK: Struct ([[anon_ty:.*]]) {
; CHECK: TypeLeafKind: LF_STRUCTURE (0x1505)
-; CHECK: MemberCount: 2
-; CHECK: Properties [ (0x8)
+; CHECK: MemberCount: 0
+; CHECK: Properties [ (0x88)
+; CHECK: ForwardReference (0x80)
; CHECK: Nested (0x8)
; CHECK: ]
-; CHECK: FieldList: <field list> ([[anon_fl]])
-; CHECK: SizeOf: 3
+; CHECK: FieldList: 0x0
+; CHECK: SizeOf: 0
; CHECK: Name: S1::<unnamed-tag>
; CHECK: }
; CHECK: BitField ([[S1_u:.*]]) {
@@ -140,6 +126,29 @@
; CHECK: SizeOf: 16
; CHECK: Name: S1
; CHECK: }
+; CHECK: FieldList ([[anon_fl:.*]]) {
+; CHECK: TypeLeafKind: LF_FIELDLIST (0x1203)
+; CHECK: DataMember {
+; CHECK: Type: char (0x70)
+; CHECK: FieldOffset: 0x0
+; CHECK: Name: c
+; CHECK: }
+; CHECK: DataMember {
+; CHECK: Type: short (0x11)
+; CHECK: FieldOffset: 0x1
+; CHECK: Name: s
+; CHECK: }
+; CHECK: }
+; CHECK: Struct ({{.*}}) {
+; CHECK: TypeLeafKind: LF_STRUCTURE (0x1505)
+; CHECK: MemberCount: 2
+; CHECK: Properties [ (0x8)
+; CHECK: Nested (0x8)
+; CHECK: ]
+; CHECK: FieldList: <field list> ([[anon_fl]])
+; CHECK: SizeOf: 3
+; CHECK: Name: S1::<unnamed-tag>
+; CHECK: }
; CHECK: BitField ([[S2_y:.*]]) {
; CHECK: TypeLeafKind: LF_BITFIELD (0x1205)
; CHECK: Type: int (0x74)
Removed: llvm/trunk/test/DebugInfo/COFF/types-recursive-unnamed.ll
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/DebugInfo/COFF/types-recursive-unnamed.ll?rev=327413&view=auto
==============================================================================
--- llvm/trunk/test/DebugInfo/COFF/types-recursive-unnamed.ll (original)
+++ llvm/trunk/test/DebugInfo/COFF/types-recursive-unnamed.ll (removed)
@@ -1,78 +0,0 @@
-; RUN: not llc < %s -filetype=obj 2>&1 | FileCheck %s
-;
-; Verify the compiler produces an error message when trying to emit circular
-; references to unnamed structs which are not supported in CodeView debug
-; information.
-;
-; -- types-recursive-unnamed.cpp begin -----------------------------------------
-; struct named_struct {
-; struct {
-; void method() {}
-; } unnamed_struct_with_method;
-; void anchor();
-; };
-; void named_struct::anchor() {}
-; -- types-recursive-unnamed.cpp end -------------------------------------------
-;
-; To rebuild the reproducer:
-; 1. First, compile the source code:
-; $ clang -S -emit-llvm -g -gcodeview unnamed.cpp
-; 2. Remove all "name" and "identifier" attributes with a value matching
-; the form: "<unnamed-type-".
-;
-; CHECK: LLVM ERROR: cannot debug circular reference to unnamed type
-
-; ModuleID = 'types-recursive-unnamed.cpp'
-source_filename = "types-recursive-unnamed.cpp"
-target datalayout = "e-m:w-i64:64-f80:128-n8:16:32:64-S128"
-target triple = "x86_64-pc-windows-msvc19.0.24210"
-
-%struct.named_struct = type { %struct.anon }
-%struct.anon = type { i8 }
-
-; Function Attrs: noinline nounwind uwtable
-define void @"\01?anchor at named_struct@@QEAAXXZ"(%struct.named_struct* %this) #0 align 2 !dbg !7 {
-entry:
- %this.addr = alloca %struct.named_struct*, align 8
- store %struct.named_struct* %this, %struct.named_struct** %this.addr, align 8
- call void @llvm.dbg.declare(metadata %struct.named_struct** %this.addr, metadata !21, metadata !23), !dbg !24
- %this1 = load %struct.named_struct*, %struct.named_struct** %this.addr, align 8
- ret void, !dbg !25
-}
-
-; Function Attrs: nounwind readnone
-declare void @llvm.dbg.declare(metadata, metadata, metadata) #1
-
-attributes #0 = { noinline nounwind uwtable "correctly-rounded-divide-sqrt-fp-math"="false" "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" "no-signed-zeros-fp-math"="false" "no-trapping-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" }
-attributes #1 = { nounwind readnone }
-
-!llvm.dbg.cu = !{!0}
-!llvm.module.flags = !{!3, !4, !5}
-!llvm.ident = !{!6}
-
-!0 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus, file: !1, producer: "clang version 5.0.0", isOptimized: false, runtimeVersion: 0, emissionKind: FullDebug, enums: !2)
-!1 = !DIFile(filename: "types-recursive-unnamed.cpp", directory: "C:\5Cpath\5Cto\5Cdirectory", checksumkind: CSK_MD5, checksum: "59a90813f3338cfe690d9664215089df")
-!2 = !{}
-!3 = !{i32 2, !"CodeView", i32 1}
-!4 = !{i32 2, !"Debug Info Version", i32 3}
-!5 = !{i32 1, !"PIC Level", i32 2}
-!6 = !{!"clang version 5.0.0"}
-!7 = distinct !DISubprogram(name: "anchor", linkageName: "\01?anchor at named_struct@@QEAAXXZ", scope: !8, file: !1, line: 7, type: !18, isLocal: false, isDefinition: true, scopeLine: 7, flags: DIFlagPrototyped, isOptimized: false, unit: !0, declaration: !17, variables: !2)
-!8 = distinct !DICompositeType(tag: DW_TAG_structure_type, name: "named_struct", file: !1, line: 1, size: 8, elements: !9, identifier: ".?AUnamed_struct@@")
-!9 = !{!10, !16, !17}
-!10 = distinct !DICompositeType(tag: DW_TAG_structure_type, scope: !8, file: !1, line: 2, size: 8, elements: !11)
-!11 = !{!12}
-!12 = !DISubprogram(name: "method", linkageName: "\01?method@<unnamed-type-unnamed_struct_with_method>@named_struct@@QEAAXXZ", scope: !10, file: !1, line: 3, type: !13, isLocal: false, isDefinition: false, scopeLine: 3, flags: DIFlagPrototyped, isOptimized: false)
-!13 = !DISubroutineType(types: !14)
-!14 = !{null, !15}
-!15 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !10, size: 64, flags: DIFlagArtificial | DIFlagObjectPointer)
-!16 = !DIDerivedType(tag: DW_TAG_member, name: "unnamed_struct_with_method", scope: !8, file: !1, line: 4, baseType: !10, size: 8)
-!17 = !DISubprogram(name: "anchor", linkageName: "\01?anchor at named_struct@@QEAAXXZ", scope: !8, file: !1, line: 5, type: !18, isLocal: false, isDefinition: false, scopeLine: 5, flags: DIFlagPrototyped, isOptimized: false)
-!18 = !DISubroutineType(types: !19)
-!19 = !{null, !20}
-!20 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !8, size: 64, flags: DIFlagArtificial | DIFlagObjectPointer)
-!21 = !DILocalVariable(name: "this", arg: 1, scope: !7, type: !22, flags: DIFlagArtificial | DIFlagObjectPointer)
-!22 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !8, size: 64)
-!23 = !DIExpression()
-!24 = !DILocation(line: 0, scope: !7)
-!25 = !DILocation(line: 7, column: 30, scope: !7)
Removed: llvm/trunk/test/DebugInfo/COFF/unnamed.ll
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/DebugInfo/COFF/unnamed.ll?rev=327413&view=auto
==============================================================================
--- llvm/trunk/test/DebugInfo/COFF/unnamed.ll (original)
+++ llvm/trunk/test/DebugInfo/COFF/unnamed.ll (removed)
@@ -1,200 +0,0 @@
-; RUN: llc < %s -filetype=obj | llvm-readobj - -codeview | FileCheck %s
-;
-; Verify CodeView emission does not emit forward references for unnamed
-; structs/unions. If a forward reference is emitted for an unnamed composite
-; type then Visual Studio will not be able to display the value.
-;
-; Previous values displayed by Visual Studio:
-; local.unnamed_struct {...}
-; local.unnamed_union {...}
-;
-; New values displayed by Visual Studio:
-; local.unnamed_struct {m3=66 'B' }
-; local.unnamed_union {m1=65 m2=65 'A' }
-;
-; The reproducer:
-; $ cat unnamed.c
-; struct named_struct {
-; int id;
-; union {
-; int m1;
-; char m2;
-; } unnamed_union;
-; struct {
-; char m3;
-; } unnamed_struct;
-; };
-;
-; int main()
-; {
-; struct named_struct local;
-;
-; local.id = 1;
-; local.unnamed_union.m1 = 65;
-; local.unnamed_struct.m3 = 'B';
-;
-; return 0;
-; }
-;
-; To regenerate the IR below:
-; $ clang unnamed.c -S -emit-llvm -g -gcodeview
-;
-; CHECK: FieldList ([[UnnamedUnionFieldList:.*]]) {
-; CHECK-NEXT: TypeLeafKind: LF_FIELDLIST (0x1203)
-; CHECK-NEXT: DataMember {
-; CHECK-NEXT: TypeLeafKind: LF_MEMBER (0x150D)
-; CHECK-NEXT: AccessSpecifier: Public (0x3)
-; CHECK-NEXT: Type: int (0x74)
-; CHECK-NEXT: FieldOffset: 0x0
-; CHECK-NEXT: Name: m1
-; CHECK-NEXT: }
-; CHECK-NEXT: DataMember {
-; CHECK-NEXT: TypeLeafKind: LF_MEMBER (0x150D)
-; CHECK-NEXT: AccessSpecifier: Public (0x3)
-; CHECK-NEXT: Type: char (0x70)
-; CHECK-NEXT: FieldOffset: 0x0
-; CHECK-NEXT: Name: m2
-; CHECK-NEXT: }
-; CHECK-NEXT: }
-; CHECK: Union ([[UnnamedUnion:.*]]) {
-; CHECK-NEXT: TypeLeafKind: LF_UNION (0x1506)
-; CHECK-NEXT: MemberCount: 2
-; CHECK-NEXT: Properties [ (0x408)
-; CHECK-NEXT: Nested (0x8)
-; CHECK-NEXT: Sealed (0x400)
-; CHECK-NEXT: ]
-; CHECK-NEXT: FieldList: <field list> ([[UnnamedUnionFieldList]])
-; CHECK-NEXT: SizeOf: 4
-; CHECK-NEXT: Name: named_struct::<unnamed-tag>
-; CHECK-NEXT: }
-; CHECK: FieldList ([[UnnamedStructFieldList:.*]]) {
-; CHECK-NEXT: TypeLeafKind: LF_FIELDLIST (0x1203)
-; CHECK-NEXT: DataMember {
-; CHECK-NEXT: TypeLeafKind: LF_MEMBER (0x150D)
-; CHECK-NEXT: AccessSpecifier: Public (0x3)
-; CHECK-NEXT: Type: char (0x70)
-; CHECK-NEXT: FieldOffset: 0x0
-; CHECK-NEXT: Name: m3
-; CHECK-NEXT: }
-; CHECK-NEXT: }
-; CHECK: Struct ([[UnnamedStruct:.*]]) {
-; CHECK-NEXT: TypeLeafKind: LF_STRUCTURE (0x1505)
-; CHECK-NEXT: MemberCount: 1
-; CHECK-NEXT: Properties [ (0x8)
-; CHECK-NEXT: Nested (0x8)
-; CHECK-NEXT: ]
-; CHECK-NEXT: FieldList: <field list> ([[UnnamedStructFieldList]])
-; CHECK-NEXT: DerivedFrom: 0x0
-; CHECK-NEXT: VShape: 0x0
-; CHECK-NEXT: SizeOf: 1
-; CHECK-NEXT: Name: named_struct::<unnamed-tag>
-; CHECK-NEXT: }
-; CHECK: FieldList ([[NamedStructFieldList:.*]]) {
-; CHECK-NEXT: TypeLeafKind: LF_FIELDLIST (0x1203)
-; CHECK-NEXT: DataMember {
-; CHECK-NEXT: TypeLeafKind: LF_MEMBER (0x150D)
-; CHECK-NEXT: AccessSpecifier: Public (0x3)
-; CHECK-NEXT: Type: int (0x74)
-; CHECK-NEXT: FieldOffset: 0x0
-; CHECK-NEXT: Name: id
-; CHECK-NEXT: }
-; CHECK-NEXT: DataMember {
-; CHECK-NEXT: TypeLeafKind: LF_MEMBER (0x150D)
-; CHECK-NEXT: AccessSpecifier: Public (0x3)
-; CHECK-NEXT: Type: named_struct::<unnamed-tag> ([[UnnamedUnion]])
-; CHECK-NEXT: FieldOffset: 0x4
-; CHECK-NEXT: Name: unnamed_union
-; CHECK-NEXT: }
-; CHECK-NEXT: DataMember {
-; CHECK-NEXT: TypeLeafKind: LF_MEMBER (0x150D)
-; CHECK-NEXT: AccessSpecifier: Public (0x3)
-; CHECK-NEXT: Type: named_struct::<unnamed-tag> ([[UnnamedStruct]])
-; CHECK-NEXT: FieldOffset: 0x8
-; CHECK-NEXT: Name: unnamed_struct
-; CHECK-NEXT: }
-; CHECK-NEXT: }
-; CHECK: Struct ({{.*}}) {
-; CHECK-NEXT: TypeLeafKind: LF_STRUCTURE (0x1505)
-; CHECK-NEXT: MemberCount: 3
-; CHECK-NEXT: Properties [ (0x0)
-; CHECK-NEXT: ]
-; CHECK-NEXT: FieldList: <field list> ([[NamedStructFieldList]])
-; CHECK-NEXT: DerivedFrom: 0x0
-; CHECK-NEXT: VShape: 0x0
-; CHECK-NEXT: SizeOf: 12
-; CHECK-NEXT: Name: named_struct
-; CHECK-NEXT: }
-
-; ModuleID = 'unnamed.c'
-source_filename = "unnamed.c"
-target datalayout = "e-m:w-i64:64-f80:128-n8:16:32:64-S128"
-target triple = "x86_64-pc-windows-msvc19.0.24210"
-
-%struct.named_struct = type { i32, %union.anon, %struct.anon }
-%union.anon = type { i32 }
-%struct.anon = type { i8 }
-
-; Function Attrs: noinline nounwind uwtable
-define i32 @main() #0 !dbg !7 {
-entry:
- %retval = alloca i32, align 4
- %local = alloca %struct.named_struct, align 4
- store i32 0, i32* %retval, align 4
- call void @llvm.dbg.declare(metadata %struct.named_struct* %local, metadata !11, metadata !25), !dbg !26
- %id = getelementptr inbounds %struct.named_struct, %struct.named_struct* %local, i32 0, i32 0, !dbg !27
- store i32 1, i32* %id, align 4, !dbg !28
- %unnamed_union = getelementptr inbounds %struct.named_struct, %struct.named_struct* %local, i32 0, i32 1, !dbg !29
- %m1 = bitcast %union.anon* %unnamed_union to i32*, !dbg !30
- store i32 65, i32* %m1, align 4, !dbg !31
- %unnamed_struct = getelementptr inbounds %struct.named_struct, %struct.named_struct* %local, i32 0, i32 2, !dbg !32
- %m3 = getelementptr inbounds %struct.anon, %struct.anon* %unnamed_struct, i32 0, i32 0, !dbg !33
- store i8 66, i8* %m3, align 4, !dbg !34
- ret i32 0, !dbg !35
-}
-
-; Function Attrs: nounwind readnone
-declare void @llvm.dbg.declare(metadata, metadata, metadata) #1
-
-attributes #0 = { noinline nounwind uwtable "correctly-rounded-divide-sqrt-fp-math"="false" "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" "no-signed-zeros-fp-math"="false" "no-trapping-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" }
-attributes #1 = { nounwind readnone }
-
-!llvm.dbg.cu = !{!0}
-!llvm.module.flags = !{!3, !4, !5}
-!llvm.ident = !{!6}
-
-!0 = distinct !DICompileUnit(language: DW_LANG_C99, file: !1, producer: "clang version 5.0.0 (trunk)", isOptimized: false, runtimeVersion: 0, emissionKind: FullDebug, enums: !2)
-!1 = !DIFile(filename: "unnamed.c", directory: "C:\5Cpath\5Cto\5Cdirectory", checksumkind: CSK_MD5, checksum: "a1874da39665a126d6949d929fbd4818")
-!2 = !{}
-!3 = !{i32 2, !"CodeView", i32 1}
-!4 = !{i32 2, !"Debug Info Version", i32 3}
-!5 = !{i32 1, !"PIC Level", i32 2}
-!6 = !{!"clang version 5.0.0 (trunk)"}
-!7 = distinct !DISubprogram(name: "main", scope: !1, file: !1, line: 12, type: !8, isLocal: false, isDefinition: true, scopeLine: 13, isOptimized: false, unit: !0, variables: !2)
-!8 = !DISubroutineType(types: !9)
-!9 = !{!10}
-!10 = !DIBasicType(name: "int", size: 32, encoding: DW_ATE_signed)
-!11 = !DILocalVariable(name: "local", scope: !7, file: !1, line: 14, type: !12)
-!12 = distinct !DICompositeType(tag: DW_TAG_structure_type, name: "named_struct", file: !1, line: 1, size: 96, elements: !13)
-!13 = !{!14, !15, !21}
-!14 = !DIDerivedType(tag: DW_TAG_member, name: "id", scope: !12, file: !1, line: 2, baseType: !10, size: 32)
-!15 = !DIDerivedType(tag: DW_TAG_member, name: "unnamed_union", scope: !12, file: !1, line: 6, baseType: !16, size: 32, offset: 32)
-!16 = distinct !DICompositeType(tag: DW_TAG_union_type, scope: !12, file: !1, line: 3, size: 32, elements: !17)
-!17 = !{!18, !19}
-!18 = !DIDerivedType(tag: DW_TAG_member, name: "m1", scope: !16, file: !1, line: 4, baseType: !10, size: 32)
-!19 = !DIDerivedType(tag: DW_TAG_member, name: "m2", scope: !16, file: !1, line: 5, baseType: !20, size: 8)
-!20 = !DIBasicType(name: "char", size: 8, encoding: DW_ATE_signed_char)
-!21 = !DIDerivedType(tag: DW_TAG_member, name: "unnamed_struct", scope: !12, file: !1, line: 9, baseType: !22, size: 8, offset: 64)
-!22 = distinct !DICompositeType(tag: DW_TAG_structure_type, scope: !12, file: !1, line: 7, size: 8, elements: !23)
-!23 = !{!24}
-!24 = !DIDerivedType(tag: DW_TAG_member, name: "m3", scope: !22, file: !1, line: 8, baseType: !20, size: 8)
-!25 = !DIExpression()
-!26 = !DILocation(line: 14, column: 23, scope: !7)
-!27 = !DILocation(line: 16, column: 9, scope: !7)
-!28 = !DILocation(line: 16, column: 12, scope: !7)
-!29 = !DILocation(line: 17, column: 9, scope: !7)
-!30 = !DILocation(line: 17, column: 23, scope: !7)
-!31 = !DILocation(line: 17, column: 26, scope: !7)
-!32 = !DILocation(line: 18, column: 9, scope: !7)
-!33 = !DILocation(line: 18, column: 24, scope: !7)
-!34 = !DILocation(line: 18, column: 27, scope: !7)
-!35 = !DILocation(line: 20, column: 3, scope: !7)
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