[llvm] r192320 - Debug Info: In DIBuilder, the context and type fields of template_type and

Manman Ren manman.ren at gmail.com
Wed Oct 9 12:46:29 PDT 2013


Author: mren
Date: Wed Oct  9 14:46:28 2013
New Revision: 192320

URL: http://llvm.org/viewvc/llvm-project?rev=192320&view=rev
Log:
Debug Info: In DIBuilder, the context and type fields of template_type and
template_value are updated to use DIRef.

A paired commit at clang is required due to changes to DIBuilder.

Modified:
    llvm/trunk/include/llvm/DebugInfo.h
    llvm/trunk/lib/CodeGen/AsmPrinter/DwarfCompileUnit.cpp
    llvm/trunk/lib/IR/DIBuilder.cpp
    llvm/trunk/lib/IR/DebugInfo.cpp
    llvm/trunk/test/DebugInfo/tu-composite.ll

Modified: llvm/trunk/include/llvm/DebugInfo.h
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/include/llvm/DebugInfo.h?rev=192320&r1=192319&r2=192320&view=diff
==============================================================================
--- llvm/trunk/include/llvm/DebugInfo.h (original)
+++ llvm/trunk/include/llvm/DebugInfo.h Wed Oct  9 14:46:28 2013
@@ -539,9 +539,9 @@ class DITemplateTypeParameter : public D
 public:
   explicit DITemplateTypeParameter(const MDNode *N = 0) : DIDescriptor(N) {}
 
-  DIScope getContext() const { return getFieldAs<DIScope>(1); }
+  DIScopeRef getContext() const { return getFieldAs<DIScopeRef>(1); }
   StringRef getName() const { return getStringField(2); }
-  DIType getType() const { return getFieldAs<DIType>(3); }
+  DITypeRef getType() const { return getFieldAs<DITypeRef>(3); }
   StringRef getFilename() const { return getFieldAs<DIFile>(4).getFilename(); }
   StringRef getDirectory() const {
     return getFieldAs<DIFile>(4).getDirectory();
@@ -556,9 +556,9 @@ class DITemplateValueParameter : public
 public:
   explicit DITemplateValueParameter(const MDNode *N = 0) : DIDescriptor(N) {}
 
-  DIScope getContext() const { return getFieldAs<DIScope>(1); }
+  DIScopeRef getContext() const { return getFieldAs<DIScopeRef>(1); }
   StringRef getName() const { return getStringField(2); }
-  DIType getType() const { return getFieldAs<DIType>(3); }
+  DITypeRef getType() const { return getFieldAs<DITypeRef>(3); }
   Value *getValue() const;
   StringRef getFilename() const { return getFieldAs<DIFile>(5).getFilename(); }
   StringRef getDirectory() const {

Modified: llvm/trunk/lib/CodeGen/AsmPrinter/DwarfCompileUnit.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/CodeGen/AsmPrinter/DwarfCompileUnit.cpp?rev=192320&r1=192319&r2=192320&view=diff
==============================================================================
--- llvm/trunk/lib/CodeGen/AsmPrinter/DwarfCompileUnit.cpp (original)
+++ llvm/trunk/lib/CodeGen/AsmPrinter/DwarfCompileUnit.cpp Wed Oct  9 14:46:28 2013
@@ -1228,7 +1228,7 @@ CompileUnit::getOrCreateTemplateTypePara
   ParamDIE = new DIE(dwarf::DW_TAG_template_type_parameter);
   // Add the type if it exists, it could be void and therefore no type.
   if (TP.getType())
-    addType(ParamDIE, TP.getType());
+    addType(ParamDIE, resolve(TP.getType()));
   if (!TP.getName().empty())
     addString(ParamDIE, dwarf::DW_AT_name, TP.getName());
   return ParamDIE;
@@ -1247,12 +1247,13 @@ CompileUnit::getOrCreateTemplateValuePar
   // Add the type if there is one, template template and template parameter
   // packs will not have a type.
   if (VP.getType())
-    addType(ParamDIE, VP.getType());
+    addType(ParamDIE, resolve(VP.getType()));
   if (!VP.getName().empty())
     addString(ParamDIE, dwarf::DW_AT_name, VP.getName());
   if (Value *Val = VP.getValue()) {
     if (ConstantInt *CI = dyn_cast<ConstantInt>(Val))
-      addConstantValue(ParamDIE, CI, isUnsignedDIType(DD, VP.getType()));
+      addConstantValue(ParamDIE, CI,
+                       isUnsignedDIType(DD, resolve(VP.getType())));
     else if (GlobalValue *GV = dyn_cast<GlobalValue>(Val)) {
       // For declaration non-type template parameters (such as global values and
       // functions)

Modified: llvm/trunk/lib/IR/DIBuilder.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/IR/DIBuilder.cpp?rev=192320&r1=192319&r2=192320&view=diff
==============================================================================
--- llvm/trunk/lib/IR/DIBuilder.cpp (original)
+++ llvm/trunk/lib/IR/DIBuilder.cpp Wed Oct  9 14:46:28 2013
@@ -538,9 +538,9 @@ DIBuilder::createTemplateTypeParameter(D
                                        unsigned ColumnNo) {
   Value *Elts[] = {
     GetTagConstant(VMContext, dwarf::DW_TAG_template_type_parameter),
-    getNonCompileUnitScope(Context),
+    DIScope(getNonCompileUnitScope(Context)).getRef(),
     MDString::get(VMContext, Name),
-    Ty,
+    Ty.getRef(),
     File,
     ConstantInt::get(Type::getInt32Ty(VMContext), LineNo),
     ConstantInt::get(Type::getInt32Ty(VMContext), ColumnNo)
@@ -556,9 +556,9 @@ DIBuilder::createTemplateValueParameter(
                                         unsigned ColumnNo) {
   Value *Elts[] = {
     GetTagConstant(VMContext, Tag),
-    getNonCompileUnitScope(Context),
+    DIScope(getNonCompileUnitScope(Context)).getRef(),
     MDString::get(VMContext, Name),
-    Ty,
+    Ty.getRef(),
     Val,
     File,
     ConstantInt::get(Type::getInt32Ty(VMContext), LineNo),

Modified: llvm/trunk/lib/IR/DebugInfo.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/IR/DebugInfo.cpp?rev=192320&r1=192319&r2=192320&view=diff
==============================================================================
--- llvm/trunk/lib/IR/DebugInfo.cpp (original)
+++ llvm/trunk/lib/IR/DebugInfo.cpp Wed Oct  9 14:46:28 2013
@@ -1078,12 +1078,12 @@ void DebugInfoFinder::processSubprogram(
     DIDescriptor Element = TParams.getElement(I);
     if (Element.isTemplateTypeParameter()) {
       DITemplateTypeParameter TType(Element);
-      processScope(TType.getContext());
-      processType(TType.getType());
+      processScope(TType.getContext().resolve(TypeIdentifierMap));
+      processType(TType.getType().resolve(TypeIdentifierMap));
     } else if (Element.isTemplateValueParameter()) {
       DITemplateValueParameter TVal(Element);
-      processScope(TVal.getContext());
-      processType(TVal.getType());
+      processScope(TVal.getContext().resolve(TypeIdentifierMap));
+      processType(TVal.getType().resolve(TypeIdentifierMap));
     }
   }
 }

Modified: llvm/trunk/test/DebugInfo/tu-composite.ll
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/DebugInfo/tu-composite.ll?rev=192320&r1=192319&r2=192320&view=diff
==============================================================================
--- llvm/trunk/test/DebugInfo/tu-composite.ll (original)
+++ llvm/trunk/test/DebugInfo/tu-composite.ll Wed Oct  9 14:46:28 2013
@@ -16,11 +16,16 @@
 ; CHECK: DW_TAG_structure_type
 ; CHECK-NEXT: DW_AT_name [DW_FORM_strp] {{.*}}= "Nested2")
 ; CHECK-NEXT: DW_AT_declaration [DW_FORM_flag]      (0x01)
+; CHECK: DW_TAG_structure_type
+; CHECK-NEXT: DW_AT_name [DW_FORM_strp] {{.*}}= "virt<bar>")
+; CHECK: DW_TAG_template_type_parameter
+; CHECK-NEXT: DW_AT_type [DW_FORM_ref4] (cu + {{.*}} => {[[TYPE2]]})
+; CHECK-NEXT: DW_AT_name [DW_FORM_strp] {{.*}}= "T")
 ; CHECK: DW_TAG_typedef
 ; CHECK-NEXT: DW_AT_type [DW_FORM_ref4] (cu + {{.*}} => {[[TYPE2]]})
 ; CHECK: DW_AT_name [DW_FORM_strp] {{.*}}= "baz2")
 ; CHECK: DW_TAG_pointer_type
-; CHECK-NEXT: DW_AT_type [DW_FORM_ref4] (cu + {{.*}} => {[[TYPE]]})
+; CHECK: DW_AT_type [DW_FORM_ref4] (cu + {{.*}} => {[[TYPE]]})
 ; CHECK: DW_TAG_typedef
 ; CHECK-NEXT: DW_AT_type [DW_FORM_ref4] (cu + {{.*}} => {[[TYPE2]]})
 ; CHECK: DW_AT_name [DW_FORM_strp] {{.*}}= "baz")
@@ -40,6 +45,10 @@
 ;   static int a;
 ;   struct Nested { };
 ;   struct Nested2 { };
+;   template <typename T>
+;   struct virt {
+;     T* values;
+;   };
 ; };
 ; void test() {
 ;   baz B;
@@ -47,12 +56,14 @@
 ;   D::baz2 B2;
 ;   D::Nested e;
 ;   D::Nested2 *p;
+;   D::virt<bar> t;
 ; }
 
 %struct.C = type { i32 (...)** }
 %struct.bar = type { i8 }
 %"struct.D::Nested" = type { i8 }
 %"struct.D::Nested2" = type { i8 }
+%"struct.D::virt" = type { %struct.bar* }
 
 @_ZTV1C = unnamed_addr constant [3 x i8*] [i8* null, i8* bitcast ({ i8*, i8* }* @_ZTI1C to i8*), i8* bitcast (void (%struct.C*)* @_ZN1C3fooEv to i8*)]
 @_ZTVN10__cxxabiv117__class_type_infoE = external global i8*
@@ -64,9 +75,9 @@ define void @_ZN1C3fooEv(%struct.C* %thi
 entry:
   %this.addr = alloca %struct.C*, align 8
   store %struct.C* %this, %struct.C** %this.addr, align 8
-  call void @llvm.dbg.declare(metadata !{%struct.C** %this.addr}, metadata !30), !dbg !32
+  call void @llvm.dbg.declare(metadata !{%struct.C** %this.addr}, metadata !36), !dbg !38
   %this1 = load %struct.C** %this.addr
-  ret void, !dbg !33
+  ret void, !dbg !39
 }
 
 ; Function Attrs: nounwind readnone
@@ -80,24 +91,26 @@ entry:
   %B2 = alloca %struct.bar, align 1
   %e = alloca %"struct.D::Nested", align 1
   %p = alloca %"struct.D::Nested2"*, align 8
-  call void @llvm.dbg.declare(metadata !{%struct.bar* %B}, metadata !34), !dbg !36
-  call void @llvm.dbg.declare(metadata !{[3 x %struct.bar]* %A}, metadata !37), !dbg !41
-  call void @llvm.dbg.declare(metadata !{%struct.bar* %B2}, metadata !42), !dbg !44
-  call void @llvm.dbg.declare(metadata !{%"struct.D::Nested"* %e}, metadata !45), !dbg !46
-  call void @llvm.dbg.declare(metadata !{%"struct.D::Nested2"** %p}, metadata !47), !dbg !49
-  ret void, !dbg !50
+  %t = alloca %"struct.D::virt", align 8
+  call void @llvm.dbg.declare(metadata !{%struct.bar* %B}, metadata !40), !dbg !42
+  call void @llvm.dbg.declare(metadata !{[3 x %struct.bar]* %A}, metadata !43), !dbg !47
+  call void @llvm.dbg.declare(metadata !{%struct.bar* %B2}, metadata !48), !dbg !50
+  call void @llvm.dbg.declare(metadata !{%"struct.D::Nested"* %e}, metadata !51), !dbg !52
+  call void @llvm.dbg.declare(metadata !{%"struct.D::Nested2"** %p}, metadata !53), !dbg !55
+  call void @llvm.dbg.declare(metadata !{%"struct.D::virt"* %t}, metadata !56), !dbg !57
+  ret void, !dbg !58
 }
 
 attributes #0 = { nounwind ssp uwtable "less-precise-fpmad"="false" "no-frame-pointer-elim"="true" "no-frame-pointer-elim-non-leaf" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "stack-protector-buffer-size"="8" "unsafe-fp-math"="false" "use-soft-float"="false" }
 attributes #1 = { nounwind readnone }
 
 !llvm.dbg.cu = !{!0}
-!llvm.module.flags = !{!29}
+!llvm.module.flags = !{!35}
 
-!0 = metadata !{i32 786449, metadata !1, i32 4, metadata !"clang version 3.4", i1 false, metadata !"", i32 0, metadata !2, metadata !3, metadata !24, metadata !2, metadata !2, metadata !""} ; [ DW_TAG_compile_unit ] [tmp.cpp] [DW_LANG_C_plus_plus]
+!0 = metadata !{i32 786449, metadata !1, i32 4, metadata !"clang version 3.4", i1 false, metadata !"", i32 0, metadata !2, metadata !3, metadata !30, metadata !2, metadata !2, metadata !""} ; [ DW_TAG_compile_unit ] [tmp.cpp] [DW_LANG_C_plus_plus]
 !1 = metadata !{metadata !"tmp.cpp", metadata !"."}
 !2 = metadata !{i32 0}
-!3 = metadata !{metadata !4, metadata !18, metadata !19, metadata !22, metadata !23}
+!3 = metadata !{metadata !4, metadata !18, metadata !19, metadata !22, metadata !23, metadata !24}
 !4 = metadata !{i32 786451, metadata !1, null, metadata !"C", i32 1, i64 64, i64 64, i32 0, i32 0, null, metadata !5, i32 0, metadata !"_ZTS1C", null, metadata !"_ZTS1C"} ; [ DW_TAG_structure_type ] [C] [line 1, size 64, align 64, offset 0] [def] [from ]
 !5 = metadata !{metadata !6, metadata !13}
 !6 = metadata !{i32 786445, metadata !1, metadata !7, metadata !"_vptr$C", i32 0, i64 64, i64 0, i64 0, i32 64, metadata !8} ; [ DW_TAG_member ] [_vptr$C] [line 0, size 64, align 0, offset 0] [artificial] [from ]
@@ -118,30 +131,38 @@ attributes #1 = { nounwind readnone }
 !21 = metadata !{i32 786445, metadata !1, metadata !"_ZTS1D", metadata !"a", i32 11, i64 0, i64 0, i64 0, i32 4096, metadata !12, null} ; [ DW_TAG_member ] [a] [line 11, size 0, align 0, offset 0] [static] [from int]
 !22 = metadata !{i32 786451, metadata !1, metadata !"_ZTS1D", metadata !"Nested", i32 12, i64 8, i64 8, i32 0, i32 0, null, metadata !2, i32 0, null, null, metadata !"_ZTSN1D6NestedE"} ; [ DW_TAG_structure_type ] [Nested] [line 12, size 8, align 8, offset 0] [def] [from ]
 !23 = metadata !{i32 786451, metadata !1, metadata !"_ZTS1D", metadata !"Nested2", i32 13, i64 0, i64 0, i32 0, i32 4, null, null, i32 0, null, null, metadata !"_ZTSN1D7Nested2E"} ; [ DW_TAG_structure_type ] [Nested2] [line 13, size 0, align 0, offset 0] [decl] [from ]
-!24 = metadata !{metadata !25, metadata !26}
-!25 = metadata !{i32 786478, metadata !1, null, metadata !"foo", metadata !"foo", metadata !"_ZN1C3fooEv", i32 4, metadata !14, i1 false, i1 true, i32 0, i32 0, null, i32 256, i1 false, void (%struct.C*)* @_ZN1C3fooEv, null, metadata !13, metadata !2, i32 4} ; [ DW_TAG_subprogram ] [line 4] [def] [foo]
-!26 = metadata !{i32 786478, metadata !1, metadata !7, metadata !"test", metadata !"test", metadata !"_Z4testv", i32 16, metadata !27, i1 false, i1 true, i32 0, i32 0, null, i32 256, i1 false, void ()* @_Z4testv, null, null, metadata !2, i32 16} ; [ DW_TAG_subprogram ] [line 16] [def] [test]
-!27 = metadata !{i32 786453, i32 0, null, metadata !"", i32 0, i64 0, i64 0, i64 0, i32 0, null, metadata !28, i32 0, null, null, null} ; [ DW_TAG_subroutine_type ] [line 0, size 0, align 0, offset 0] [from ]
-!28 = metadata !{null}
-!29 = metadata !{i32 2, metadata !"Dwarf Version", i32 2}
-!30 = metadata !{i32 786689, metadata !25, metadata !"this", null, i32 16777216, metadata !31, i32 1088, i32 0} ; [ DW_TAG_arg_variable ] [this] [line 0]
-!31 = metadata !{i32 786447, null, null, metadata !"", i32 0, i64 64, i64 64, i64 0, i32 0, metadata !"_ZTS1C"} ; [ DW_TAG_pointer_type ] [line 0, size 64, align 64, offset 0] [from _ZTS1C]
-!32 = metadata !{i32 0, i32 0, metadata !25, null}
-!33 = metadata !{i32 5, i32 0, metadata !25, null}
-!34 = metadata !{i32 786688, metadata !26, metadata !"B", metadata !7, i32 17, metadata !35, i32 0, i32 0} ; [ DW_TAG_auto_variable ] [B] [line 17]
-!35 = metadata !{i32 786454, metadata !1, null, metadata !"baz", i32 8, i64 0, i64 0, i64 0, i32 0, metadata !"_ZTS3bar"} ; [ DW_TAG_typedef ] [baz] [line 8, size 0, align 0, offset 0] [from _ZTS3bar]
-!36 = metadata !{i32 17, i32 0, metadata !26, null}
-!37 = metadata !{i32 786688, metadata !26, metadata !"A", metadata !7, i32 18, metadata !38, i32 0, i32 0} ; [ DW_TAG_auto_variable ] [A] [line 18]
-!38 = metadata !{i32 786433, null, null, metadata !"", i32 0, i64 24, i64 8, i32 0, i32 0, metadata !"_ZTS3bar", metadata !39, i32 0, null, null, null} ; [ DW_TAG_array_type ] [line 0, size 24, align 8, offset 0] [from _ZTS3bar]
-!39 = metadata !{metadata !40}
-!40 = metadata !{i32 786465, i64 0, i64 3}        ; [ DW_TAG_subrange_type ] [0, 2]
-!41 = metadata !{i32 18, i32 0, metadata !26, null}
-!42 = metadata !{i32 786688, metadata !26, metadata !"B2", metadata !7, i32 19, metadata !43, i32 0, i32 0} ; [ DW_TAG_auto_variable ] [B2] [line 19]
-!43 = metadata !{i32 786454, metadata !1, metadata !"_ZTS1D", metadata !"baz2", i32 10, i64 0, i64 0, i64 0, i32 0, metadata !"_ZTS3bar"} ; [ DW_TAG_typedef ] [baz2] [line 10, size 0, align 0, offset 0] [from _ZTS3bar]
-!44 = metadata !{i32 19, i32 0, metadata !26, null}
-!45 = metadata !{i32 786688, metadata !26, metadata !"e", metadata !7, i32 20, metadata !22, i32 0, i32 0} ; [ DW_TAG_auto_variable ] [e] [line 20]
-!46 = metadata !{i32 20, i32 0, metadata !26, null}
-!47 = metadata !{i32 786688, metadata !26, metadata !"p", metadata !7, i32 21, metadata !48, i32 0, i32 0} ; [ DW_TAG_auto_variable ] [p] [line 21]
-!48 = metadata !{i32 786447, null, null, metadata !"", i32 0, i64 64, i64 64, i64 0, i32 0, metadata !"_ZTSN1D7Nested2E"} ; [ DW_TAG_pointer_type ] [line 0, size 64, align 64, offset 0] [from _ZTSN1D7Nested2E]
-!49 = metadata !{i32 21, i32 0, metadata !26, null}
-!50 = metadata !{i32 22, i32 0, metadata !26, null}
+!24 = metadata !{i32 786451, metadata !1, metadata !"_ZTS1D", metadata !"virt<bar>", i32 15, i64 64, i64 64, i32 0, i32 0, null, metadata !25, i32 0, null, metadata !28, metadata !"_ZTSN1D4virtI3barEE"} ; [ DW_TAG_structure_type ] [virt<bar>] [line 15, size 64, align 64, offset 0] [def] [from ]
+!25 = metadata !{metadata !26}
+!26 = metadata !{i32 786445, metadata !1, metadata !"_ZTSN1D4virtI3barEE", metadata !"values", i32 16, i64 64, i64 64, i64 0, i32 0, metadata !27} ; [ DW_TAG_member ] [values] [line 16, size 64, align 64, offset 0] [from ]
+!27 = metadata !{i32 786447, null, null, metadata !"", i32 0, i64 64, i64 64, i64 0, i32 0, metadata !"_ZTS3bar"} ; [ DW_TAG_pointer_type ] [line 0, size 64, align 64, offset 0] [from _ZTS3bar]
+!28 = metadata !{metadata !29}
+!29 = metadata !{i32 786479, null, metadata !"T", metadata !"_ZTS3bar", null, i32 0, i32 0} ; [ DW_TAG_template_type_parameter ]
+!30 = metadata !{metadata !31, metadata !32}
+!31 = metadata !{i32 786478, metadata !1, null, metadata !"foo", metadata !"foo", metadata !"_ZN1C3fooEv", i32 4, metadata !14, i1 false, i1 true, i32 0, i32 0, null, i32 256, i1 false, void (%struct.C*)* @_ZN1C3fooEv, null, metadata !13, metadata !2, i32 4} ; [ DW_TAG_subprogram ] [line 4] [def] [foo]
+!32 = metadata !{i32 786478, metadata !1, metadata !7, metadata !"test", metadata !"test", metadata !"_Z4testv", i32 20, metadata !33, i1 false, i1 true, i32 0, i32 0, null, i32 256, i1 false, void ()* @_Z4testv, null, null, metadata !2, i32 20} ; [ DW_TAG_subprogram ] [line 20] [def] [test]
+!33 = metadata !{i32 786453, i32 0, null, metadata !"", i32 0, i64 0, i64 0, i64 0, i32 0, null, metadata !34, i32 0, null, null, null} ; [ DW_TAG_subroutine_type ] [line 0, size 0, align 0, offset 0] [from ]
+!34 = metadata !{null}
+!35 = metadata !{i32 2, metadata !"Dwarf Version", i32 2}
+!36 = metadata !{i32 786689, metadata !31, metadata !"this", null, i32 16777216, metadata !37, i32 1088, i32 0} ; [ DW_TAG_arg_variable ] [this] [line 0]
+!37 = metadata !{i32 786447, null, null, metadata !"", i32 0, i64 64, i64 64, i64 0, i32 0, metadata !"_ZTS1C"} ; [ DW_TAG_pointer_type ] [line 0, size 64, align 64, offset 0] [from _ZTS1C]
+!38 = metadata !{i32 0, i32 0, metadata !31, null}
+!39 = metadata !{i32 5, i32 0, metadata !31, null}
+!40 = metadata !{i32 786688, metadata !32, metadata !"B", metadata !7, i32 21, metadata !41, i32 0, i32 0} ; [ DW_TAG_auto_variable ] [B] [line 21]
+!41 = metadata !{i32 786454, metadata !1, null, metadata !"baz", i32 8, i64 0, i64 0, i64 0, i32 0, metadata !"_ZTS3bar"} ; [ DW_TAG_typedef ] [baz] [line 8, size 0, align 0, offset 0] [from _ZTS3bar]
+!42 = metadata !{i32 21, i32 0, metadata !32, null}
+!43 = metadata !{i32 786688, metadata !32, metadata !"A", metadata !7, i32 22, metadata !44, i32 0, i32 0} ; [ DW_TAG_auto_variable ] [A] [line 22]
+!44 = metadata !{i32 786433, null, null, metadata !"", i32 0, i64 24, i64 8, i32 0, i32 0, metadata !"_ZTS3bar", metadata !45, i32 0, null, null, null} ; [ DW_TAG_array_type ] [line 0, size 24, align 8, offset 0] [from _ZTS3bar]
+!45 = metadata !{metadata !46}
+!46 = metadata !{i32 786465, i64 0, i64 3}        ; [ DW_TAG_subrange_type ] [0, 2]
+!47 = metadata !{i32 22, i32 0, metadata !32, null}
+!48 = metadata !{i32 786688, metadata !32, metadata !"B2", metadata !7, i32 23, metadata !49, i32 0, i32 0} ; [ DW_TAG_auto_variable ] [B2] [line 23]
+!49 = metadata !{i32 786454, metadata !1, metadata !"_ZTS1D", metadata !"baz2", i32 10, i64 0, i64 0, i64 0, i32 0, metadata !"_ZTS3bar"} ; [ DW_TAG_typedef ] [baz2] [line 10, size 0, align 0, offset 0] [from _ZTS3bar]
+!50 = metadata !{i32 23, i32 0, metadata !32, null}
+!51 = metadata !{i32 786688, metadata !32, metadata !"e", metadata !7, i32 24, metadata !22, i32 0, i32 0} ; [ DW_TAG_auto_variable ] [e] [line 24]
+!52 = metadata !{i32 24, i32 0, metadata !32, null}
+!53 = metadata !{i32 786688, metadata !32, metadata !"p", metadata !7, i32 25, metadata !54, i32 0, i32 0} ; [ DW_TAG_auto_variable ] [p] [line 25]
+!54 = metadata !{i32 786447, null, null, metadata !"", i32 0, i64 64, i64 64, i64 0, i32 0, metadata !"_ZTSN1D7Nested2E"} ; [ DW_TAG_pointer_type ] [line 0, size 64, align 64, offset 0] [from _ZTSN1D7Nested2E]
+!55 = metadata !{i32 25, i32 0, metadata !32, null}
+!56 = metadata !{i32 786688, metadata !32, metadata !"t", metadata !7, i32 26, metadata !24, i32 0, i32 0} ; [ DW_TAG_auto_variable ] [t] [line 26]
+!57 = metadata !{i32 26, i32 0, metadata !32, null}
+!58 = metadata !{i32 27, i32 0, metadata !32, null}





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