[llvm] r192865 - According to the dwarf standard pubnames and pubtypes for languages
Eric Christopher
echristo at gmail.com
Fri Oct 18 17:28:11 PDT 2013
>> +void CompileUnit::addGlobalName(StringRef Name, DIE *Die, DIScope
>> Context) {
>> + std::string ContextString = getParentContextString(Context);
>> + std::string FullName = ContextString + Name.str();
>
>
> premature optimizer says that this would avoid constructing a
> second/temporary string if it was:
>
> std::string foo = getParentContextString(...);
> foo += Name.str();
>
> or
>
> std::string Fullname = getParentContextString(Context) + Name.str();
The latter is reasonably nice and legible, I'll go with that :)
>> @@ -922,8 +924,51 @@ void CompileUnit::addGlobalType(DIType T
>> if (!Ty.getName().empty() && !Ty.isForwardDecl() &&
>> (!Context || Context.isCompileUnit() || Context.isFile() ||
>> Context.isNameSpace()))
>> - if (DIEEntry *Entry = getDIEEntry(Ty))
>> - GlobalTypes[Ty.getName()] = Entry->getEntry();
>> + if (DIEEntry *Entry = getDIEEntry(Ty)) {
>> + std::string ContextString = getParentContextString(Context);
>> + std::string FullName = ContextString + Ty.getName().str();
>> + GlobalTypes[FullName] = Entry->getEntry();
>
>
> Would it be better to implement these 3 lines with a call to
> addGlobalName(Ty.getName(), Entry->getEntry(), Context); ?
But then it wouldn't be an entry in GlobalTypes ;)
>> + std::string CS = "";
>
>
> Probably no optimization problem here, but std::string CS; would be just as
> good.
Habit I guess. Will change :)
>> + DIScope Ctx = *I;
>> + StringRef Name = Ctx.getName();
>> + if (Name != "") {
>
>
> And !Name.empty(), perhaps? But again, reasonable people may disagree with
> me there.
>
Enh, I like this one unless you have a strong preference? Yours is
probably faster though.
-eric
>>
>> + CS += Name;
>> + CS += "::";
>> + }
>> + }
>> + return CS;
>> }
>>
>> /// addPubTypes - Add subprogram argument types for pubtypes section.
>> @@ -1289,7 +1334,7 @@ DIE *CompileUnit::getOrCreateNameSpace(D
>> if (!NS.getName().empty()) {
>> addString(NDie, dwarf::DW_AT_name, NS.getName());
>> addAccelNamespace(NS.getName(), NDie);
>> - addGlobalName(NS.getName(), NDie);
>> + addGlobalName(NS.getName(), NDie, NS.getContext());
>> } else
>> addAccelNamespace("(anonymous namespace)", NDie);
>> addSourceLine(NDie, NS);
>> @@ -1571,8 +1616,8 @@ void CompileUnit::createGlobalVariableDI
>> }
>>
>> if (!GV.isLocalToUnit())
>> - addGlobalName(GV.getName(),
>> - VariableSpecDIE ? VariableSpecDIE : VariableDIE);
>> + addGlobalName(GV.getName(), VariableSpecDIE ? VariableSpecDIE :
>> VariableDIE,
>> + GV.getContext());
>> }
>>
>> /// constructSubrangeDIE - Construct subrange DIE from DISubrange.
>>
>> Modified: llvm/trunk/lib/CodeGen/AsmPrinter/DwarfCompileUnit.h
>> URL:
>> http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/CodeGen/AsmPrinter/DwarfCompileUnit.h?rev=192865&r1=192864&r2=192865&view=diff
>>
>> ==============================================================================
>> --- llvm/trunk/lib/CodeGen/AsmPrinter/DwarfCompileUnit.h (original)
>> +++ llvm/trunk/lib/CodeGen/AsmPrinter/DwarfCompileUnit.h Wed Oct 16
>> 21:06:06 2013
>> @@ -123,9 +123,13 @@ public:
>> ///
>> bool hasContent() const { return !CUDie->getChildren().empty(); }
>>
>> + /// getParentContextString - Get a string containing the language
>> specific
>> + /// context for a global name.
>> + std::string getParentContextString(DIScope Context) const;
>> +
>> /// addGlobalName - Add a new global entity to the compile unit.
>> ///
>> - void addGlobalName(StringRef Name, DIE *Die);
>> + void addGlobalName(StringRef Name, DIE *Die, DIScope Context);
>>
>> /// addGlobalType - Add a new global type to the compile unit.
>> ///
>>
>> Modified: llvm/trunk/lib/CodeGen/AsmPrinter/DwarfDebug.cpp
>> URL:
>> http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/CodeGen/AsmPrinter/DwarfDebug.cpp?rev=192865&r1=192864&r2=192865&view=diff
>>
>> ==============================================================================
>> --- llvm/trunk/lib/CodeGen/AsmPrinter/DwarfDebug.cpp (original)
>> +++ llvm/trunk/lib/CodeGen/AsmPrinter/DwarfDebug.cpp Wed Oct 16 21:06:06
>> 2013
>> @@ -839,7 +839,7 @@ void DwarfDebug::constructSubprogramDIE(
>> SPMap[N] = TheCU;
>>
>> // Expose as a global name.
>> - TheCU->addGlobalName(SP.getName(), SubprogramDie);
>> + TheCU->addGlobalName(SP.getName(), SubprogramDie,
>> resolve(SP.getContext()));
>> }
>>
>> void DwarfDebug::constructImportedEntityDIE(CompileUnit *TheCU,
>>
>> Modified: llvm/trunk/test/DebugInfo/X86/gnu-public-names.ll
>> URL:
>> http://llvm.org/viewvc/llvm-project/llvm/trunk/test/DebugInfo/X86/gnu-public-names.ll?rev=192865&r1=192864&r2=192865&view=diff
>>
>> ==============================================================================
>> --- llvm/trunk/test/DebugInfo/X86/gnu-public-names.ll (original)
>> +++ llvm/trunk/test/DebugInfo/X86/gnu-public-names.ll Wed Oct 16 21:06:06
>> 2013
>> @@ -31,11 +31,14 @@
>> ; global_variable.member_function();
>> ; }
>> ; int global_namespace_variable = 1;
>> +; struct D {
>> +; int A;
>> +; } d;
>> ; }
>>
>> ; ASM: .section .debug_gnu_pubnames
>> ; ASM: .byte 32 # Kind: VARIABLE, EXTERNAL
>> -; ASM-NEXT: .asciz "global_namespace_variable" # External Name
>> +; ASM-NEXT: .asciz "global_variable" # External Name
>>
>> ; ASM: .section .debug_gnu_pubtypes
>> ; ASM: .byte 16 # Kind: TYPE, EXTERNAL
>> @@ -74,6 +77,12 @@
>> ; CHECK: [[GLOB_NS_VAR_DECL:[0-9a-f]+]]: DW_TAG_variable
>> ; CHECK-NEXT: DW_AT_name {{.*}} "global_namespace_variable"
>>
>> +; CHECK: [[D:[0-9a-f]+]]: DW_TAG_structure_type
>> +; CHECK-NEXT: DW_AT_name {{.*}} "D"
>> +
>> +; CHECK: [[D_VAR_DECL:[0-9a-f]+]]: DW_TAG_variable
>> +; CHECK-NEXT: DW_AT_name {{.*}} "d"
>> +
>> ; CHECK: [[GLOB_NS_FUNC:[0-9a-f]+]]: DW_TAG_subprogram
>> ; CHECK-NEXT: DW_AT_MIPS_linkage_name
>> ; CHECK-NEXT: DW_AT_name {{.*}} "global_namespace_function"
>> @@ -81,6 +90,9 @@
>> ; CHECK: [[GLOB_NS_VAR:[0-9a-f]+]]: DW_TAG_variable
>> ; CHECK-NEXT: DW_AT_specification {{.*}}[[GLOB_NS_VAR_DECL]]
>>
>> +; CHECK: [[D_VAR:[0-9a-f]+]]: DW_TAG_variable
>> +; CHECK-NEXT: DW_AT_specification {{.*}}[[D_VAR_DECL]]
>> +
>> ; CHECK: [[MEM_FUNC:[0-9a-f]+]]: DW_TAG_subprogram
>> ; CHECK-NEXT: DW_AT_specification {{.*}}[[MEM_FUNC_DECL]]
>>
>> @@ -92,19 +104,21 @@
>> ; CHECK-NEXT: DW_AT_name {{.*}} "global_function"
>>
>> ; CHECK-LABEL: .debug_gnu_pubnames contents:
>> -; CHECK-NEXT: Length: 203
>> +; CHECK-NEXT: Length: 231
>> ; CHECK-NEXT: Version: 2
>> ; CHECK-NEXT: Offset in .debug_info: 0
>> -; CHECK-NEXT: Size: 327
>> +; CHECK-NEXT: Size: 381
>> ; CHECK-NEXT: Offset Linkage Kind Name
>> +; CHECK-DAG: [[GLOBAL_FUNC]] EXTERNAL FUNCTION "global_function"
>> ; CHECK-DAG: [[NS]] EXTERNAL TYPE "ns"
>> -; CHECK-DAG: [[GLOB_NS_VAR]] EXTERNAL VARIABLE
>> "global_namespace_variable"
>> -; CHECK-DAG: [[GLOB_NS_FUNC]] EXTERNAL FUNCTION
>> "global_namespace_function"
>> -; CHECK-DAG: [[STATIC_MEM_VAR]] EXTERNAL VARIABLE
>> "static_member_variable"
>> -; CHECK-DAG: [[STATIC_MEM_FUNC]] EXTERNAL FUNCTION
>> "static_member_function"
>> +; CHECK-DAG: [[MEM_FUNC]] EXTERNAL FUNCTION "C::member_function"
>> ; CHECK-DAG: [[GLOB_VAR]] EXTERNAL VARIABLE "global_variable"
>> -; CHECK-DAG: [[GLOBAL_FUNC]] EXTERNAL FUNCTION "global_function"
>> -; CHECK-DAG: [[MEM_FUNC]] EXTERNAL FUNCTION "member_function"
>> +; CHECK-DAG: [[GLOB_NS_VAR]] EXTERNAL VARIABLE
>> "ns::global_namespace_variable"
>> +; CHECK-DAG: [[GLOB_NS_FUNC]] EXTERNAL FUNCTION
>> "ns::global_namespace_function"
>> +; CHECK-DAG: [[D_VAR]] EXTERNAL VARIABLE "ns::d"
>> +; CHECK-DAG: [[STATIC_MEM_VAR]] EXTERNAL VARIABLE
>> "C::static_member_variable"
>> +; CHECK-DAG: [[STATIC_MEM_FUNC]] EXTERNAL FUNCTION
>> "C::static_member_function"
>> +
>>
>> ; CHECK-LABEL: debug_gnu_pubtypes contents:
>> ; CHECK-NEXT: Length:
>> @@ -113,23 +127,26 @@
>> ; CHECK-NEXT: Size:
>> ; CHECK-NEXT: Offset Linkage Kind Name
>> ; CHECK-DAG: [[C]] EXTERNAL TYPE "C"
>> +; CHECK-DAG: [[D]] EXTERNAL TYPE "ns::D"
>> ; CHECK-DAG: [[INT]] STATIC TYPE "int"
>>
>> %struct.C = type { i8 }
>> +%"struct.ns::D" = type { i32 }
>>
>> @_ZN1C22static_member_variableE = global i32 0, align 4
>> @global_variable = global %struct.C zeroinitializer, align 1
>> @_ZN2ns25global_namespace_variableE = global i32 1, align 4
>> + at _ZN2ns1dE = global %"struct.ns::D" zeroinitializer, align 4
>>
>> ; Function Attrs: nounwind uwtable
>> define void @_ZN1C15member_functionEv(%struct.C* %this) #0 align 2 {
>> 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 !31), !dbg !33
>> + call void @llvm.dbg.declare(metadata !{%struct.C** %this.addr},
>> metadata !36), !dbg !38
>> %this1 = load %struct.C** %this.addr
>> - store i32 0, i32* @_ZN1C22static_member_variableE, align 4, !dbg !34
>> - ret void, !dbg !34
>> + store i32 0, i32* @_ZN1C22static_member_variableE, align 4, !dbg !39
>> + ret void, !dbg !39
>> }
>>
>> ; Function Attrs: nounwind readnone
>> @@ -138,64 +155,71 @@ declare void @llvm.dbg.declare(metadata,
>> ; Function Attrs: nounwind uwtable
>> define i32 @_ZN1C22static_member_functionEv() #0 align 2 {
>> entry:
>> - %0 = load i32* @_ZN1C22static_member_variableE, align 4, !dbg !35
>> - ret i32 %0, !dbg !35
>> + %0 = load i32* @_ZN1C22static_member_variableE, align 4, !dbg !40
>> + ret i32 %0, !dbg !40
>> }
>>
>> ; Function Attrs: nounwind uwtable
>> define i32 @_Z15global_functionv() #0 {
>> entry:
>> - ret i32 -1, !dbg !36
>> + ret i32 -1, !dbg !41
>> }
>>
>> ; Function Attrs: nounwind uwtable
>> define void @_ZN2ns25global_namespace_functionEv() #0 {
>> entry:
>> - call void @_ZN1C15member_functionEv(%struct.C* @global_variable), !dbg
>> !37
>> - ret void, !dbg !37
>> + call void @_ZN1C15member_functionEv(%struct.C* @global_variable), !dbg
>> !42
>> + ret void, !dbg !42
>> }
>>
>> attributes #0 = { nounwind 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 = !{!30}
>> +!llvm.module.flags = !{!34}
>> +!llvm.ident = !{!35}
>>
>> -!0 = metadata !{i32 786449, metadata !1, i32 4, metadata !"clang version
>> 3.4 (trunk 191222) (llvm/trunk 191239)", i1 false, metadata !"", i32 0,
>> metadata !2, metadata !3, metadata !17, metadata !26, metadata !2, metadata
>> !""} ; [ DW_TAG_compile_unit ]
>> [/usr/local/google/home/echristo/tmp/pubnames.cpp] [DW_LANG_C_plus_plus]
>> +!0 = metadata !{i32 786449, metadata !1, i32 4, metadata !"clang version
>> 3.4 (trunk 192862) (llvm/trunk 192861)", i1 false, metadata !"", i32 0,
>> metadata !2, metadata !3, metadata !21, metadata !29, metadata !2, metadata
>> !""} ; [ DW_TAG_compile_unit ]
>> [/usr/local/google/home/echristo/tmp/pubnames.cpp] [DW_LANG_C_plus_plus]
>> !1 = metadata !{metadata !"pubnames.cpp", metadata
>> !"/usr/local/google/home/echristo/tmp"}
>> !2 = metadata !{i32 0}
>> -!3 = metadata !{metadata !4}
>> +!3 = metadata !{metadata !4, metadata !17}
>> !4 = metadata !{i32 786451, metadata !1, null, metadata !"C", i32 1, i64
>> 8, i64 8, i32 0, i32 0, null, metadata !5, i32 0, null, null, metadata
>> !"_ZTS1C"} ; [ DW_TAG_structure_type ] [C] [line 1, size 8, align 8, offset
>> 0] [def] [from ]
>> !5 = metadata !{metadata !6, metadata !8, metadata !13}
>> -!6 = metadata !{i32 786445, metadata !1, metadata !4, metadata
>> !"static_member_variable", i32 4, i64 0, i64 0, i64 0, i32 4096, metadata
>> !7, null} ; [ DW_TAG_member ] [static_member_variable] [line 4, size 0,
>> align 0, offset 0] [static] [from int]
>> +!6 = metadata !{i32 786445, metadata !1, metadata !"_ZTS1C", metadata
>> !"static_member_variable", i32 4, i64 0, i64 0, i64 0, i32 4096, metadata
>> !7, null} ; [ DW_TAG_member ] [static_member_variable] [line 4, size 0,
>> align 0, offset 0] [static] [from int]
>> !7 = metadata !{i32 786468, null, null, metadata !"int", i32 0, i64 32,
>> i64 32, i64 0, i32 0, i32 5} ; [ DW_TAG_base_type ] [int] [line 0, size 32,
>> align 32, offset 0, enc DW_ATE_signed]
>> -!8 = metadata !{i32 786478, metadata !1, metadata !4, metadata
>> !"member_function", metadata !"member_function", metadata
>> !"_ZN1C15member_functionEv", i32 2, metadata !9, i1 false, i1 false, i32 0,
>> i32 0, null, i32 256, i1 false, null, null, i32 0, metadata !12, i32 2} ; [
>> DW_TAG_subprogram ] [line 2] [member_function]
>> +!8 = metadata !{i32 786478, metadata !1, metadata !"_ZTS1C", metadata
>> !"member_function", metadata !"member_function", metadata
>> !"_ZN1C15member_functionEv", i32 2, metadata !9, i1 false, i1 false, i32 0,
>> i32 0, null, i32 256, i1 false, null, null, i32 0, metadata !12, i32 2} ; [
>> DW_TAG_subprogram ] [line 2] [member_function]
>> !9 = metadata !{i32 786453, i32 0, null, metadata !"", i32 0, i64 0, i64
>> 0, i64 0, i32 0, null, metadata !10, i32 0, null, null, null} ; [
>> DW_TAG_subroutine_type ] [line 0, size 0, align 0, offset 0] [from ]
>> !10 = metadata !{null, metadata !11}
>> -!11 = metadata !{i32 786447, null, null, metadata !"", i32 0, i64 64, i64
>> 64, i64 0, i32 1088, metadata !4} ; [ DW_TAG_pointer_type ] [line 0, size
>> 64, align 64, offset 0] [artificial] [from C]
>> +!11 = metadata !{i32 786447, null, null, metadata !"", i32 0, i64 64, i64
>> 64, i64 0, i32 1088, metadata !"_ZTS1C"} ; [ DW_TAG_pointer_type ] [line 0,
>> size 64, align 64, offset 0] [artificial] [from _ZTS1C]
>> !12 = metadata !{i32 786468}
>> -!13 = metadata !{i32 786478, metadata !1, metadata !4, metadata
>> !"static_member_function", metadata !"static_member_function", metadata
>> !"_ZN1C22static_member_functionEv", i32 3, metadata !14, i1 false, i1 false,
>> i32 0, i32 0, null, i32 256, i1 false, null, null, i32 0, metadata !16, i32
>> 3} ; [ DW_TAG_subprogram ] [line 3] [static_member_function]
>> +!13 = metadata !{i32 786478, metadata !1, metadata !"_ZTS1C", metadata
>> !"static_member_function", metadata !"static_member_function", metadata
>> !"_ZN1C22static_member_functionEv", i32 3, metadata !14, i1 false, i1 false,
>> i32 0, i32 0, null, i32 256, i1 false, null, null, i32 0, metadata !16, i32
>> 3} ; [ DW_TAG_subprogram ] [line 3] [static_member_function]
>> !14 = metadata !{i32 786453, i32 0, null, metadata !"", i32 0, i64 0, i64
>> 0, i64 0, i32 0, null, metadata !15, i32 0, null, null, null} ; [
>> DW_TAG_subroutine_type ] [line 0, size 0, align 0, offset 0] [from ]
>> !15 = metadata !{metadata !7}
>> !16 = metadata !{i32 786468}
>> -!17 = metadata !{metadata !18, metadata !19, metadata !20, metadata !22}
>> -!18 = metadata !{i32 786478, metadata !1, null, metadata
>> !"member_function", metadata !"member_function", metadata
>> !"_ZN1C15member_functionEv", i32 9, metadata !9, i1 false, i1 true, i32 0,
>> i32 0, null, i32 256, i1 false, void (%struct.C*)*
>> @_ZN1C15member_functionEv, null, metadata !8, metadata !2, i32 9} ; [
>> DW_TAG_subprogram ] [line 9] [def] [member_function]
>> -!19 = metadata !{i32 786478, metadata !1, null, metadata
>> !"static_member_function", metadata !"static_member_function", metadata
>> !"_ZN1C22static_member_functionEv", i32 11, metadata !14, i1 false, i1 true,
>> i32 0, i32 0, null, i32 256, i1 false, i32 ()*
>> @_ZN1C22static_member_functionEv, null, metadata !13, metadata !2, i32 11} ;
>> [ DW_TAG_subprogram ] [line 11] [def] [static_member_function]
>> -!20 = metadata !{i32 786478, metadata !1, metadata !21, metadata
>> !"global_function", metadata !"global_function", metadata
>> !"_Z15global_functionv", i32 15, metadata !14, i1 false, i1 true, i32 0, i32
>> 0, null, i32 256, i1 false, i32 ()* @_Z15global_functionv, null, null,
>> metadata !2, i32 15} ; [ DW_TAG_subprogram ] [line 15] [def]
>> [global_function]
>> -!21 = metadata !{i32 786473, metadata !1} ; [ DW_TAG_file_type ]
>> [/usr/local/google/home/echristo/tmp/pubnames.cpp]
>> -!22 = metadata !{i32 786478, metadata !1, metadata !23, metadata
>> !"global_namespace_function", metadata !"global_namespace_function",
>> metadata !"_ZN2ns25global_namespace_functionEv", i32 18, metadata !24, i1
>> false, i1 true, i32 0, i32 0, null, i32 256, i1 false, void ()*
>> @_ZN2ns25global_namespace_functionEv, null, null, metadata !2, i32 18} ; [
>> DW_TAG_subprogram ] [line 18] [def] [global_namespace_function]
>> -!23 = metadata !{i32 786489, metadata !1, null, metadata !"ns", i32 17} ;
>> [ DW_TAG_namespace ] [ns] [line 17]
>> -!24 = metadata !{i32 786453, i32 0, null, metadata !"", i32 0, i64 0, i64
>> 0, i64 0, i32 0, null, metadata !25, i32 0, null, null, null} ; [
>> DW_TAG_subroutine_type ] [line 0, size 0, align 0, offset 0] [from ]
>> -!25 = metadata !{null}
>> -!26 = metadata !{metadata !27, metadata !28, metadata !29}
>> -!27 = metadata !{i32 786484, i32 0, metadata !4, metadata
>> !"static_member_variable", metadata !"static_member_variable", metadata
>> !"_ZN1C22static_member_variableE", metadata !21, i32 7, metadata !7, i32 0,
>> i32 1, i32* @_ZN1C22static_member_variableE, metadata !6} ; [
>> DW_TAG_variable ] [static_member_variable] [line 7] [def]
>> -!28 = metadata !{i32 786484, i32 0, null, metadata !"global_variable",
>> metadata !"global_variable", metadata !"", metadata !21, i32 13, metadata
>> !4, i32 0, i32 1, %struct.C* @global_variable, null} ; [ DW_TAG_variable ]
>> [global_variable] [line 13] [def]
>> -!29 = metadata !{i32 786484, i32 0, metadata !23, metadata
>> !"global_namespace_variable", metadata !"global_namespace_variable",
>> metadata !"_ZN2ns25global_namespace_variableE", metadata !21, i32 19,
>> metadata !7, i32 0, i32 1, i32* @_ZN2ns25global_namespace_variableE, null} ;
>> [ DW_TAG_variable ] [global_namespace_variable] [line 19] [def]
>> -!30 = metadata !{i32 2, metadata !"Dwarf Version", i32 4}
>> -!31 = metadata !{i32 786689, metadata !18, metadata !"this", null, i32
>> 16777216, metadata !32, i32 1088, i32 0} ; [ DW_TAG_arg_variable ] [this]
>> [line 0]
>> -!32 = metadata !{i32 786447, null, null, metadata !"", i32 0, i64 64, i64
>> 64, i64 0, i32 0, metadata !4} ; [ DW_TAG_pointer_type ] [line 0, size 64,
>> align 64, offset 0] [from C]
>> -!33 = metadata !{i32 0, i32 0, metadata !18, null}
>> -!34 = metadata !{i32 9, i32 0, metadata !18, null}
>> -!35 = metadata !{i32 11, i32 0, metadata !19, null}
>> -!36 = metadata !{i32 15, i32 0, metadata !20, null}
>> -!37 = metadata !{i32 18, i32 0, metadata !22, null}
>> +!17 = metadata !{i32 786451, metadata !1, metadata !18, metadata !"D",
>> i32 21, i64 32, i64 32, i32 0, i32 0, null, metadata !19, i32 0, null, null,
>> metadata !"_ZTSN2ns1DE"} ; [ DW_TAG_structure_type ] [D] [line 21, size 32,
>> align 32, offset 0] [def] [from ]
>> +!18 = metadata !{i32 786489, metadata !1, null, metadata !"ns", i32 17} ;
>> [ DW_TAG_namespace ] [ns] [line 17]
>> +!19 = metadata !{metadata !20}
>> +!20 = metadata !{i32 786445, metadata !1, metadata !"_ZTSN2ns1DE",
>> metadata !"A", i32 22, i64 32, i64 32, i64 0, i32 0, metadata !7} ; [
>> DW_TAG_member ] [A] [line 22, size 32, align 32, offset 0] [from int]
>> +!21 = metadata !{metadata !22, metadata !23, metadata !24, metadata !26}
>> +!22 = metadata !{i32 786478, metadata !1, metadata !"_ZTS1C", metadata
>> !"member_function", metadata !"member_function", metadata
>> !"_ZN1C15member_functionEv", i32 9, metadata !9, i1 false, i1 true, i32 0,
>> i32 0, null, i32 256, i1 false, void (%struct.C*)*
>> @_ZN1C15member_functionEv, null, metadata !8, metadata !2, i32 9} ; [
>> DW_TAG_subprogram ] [line 9] [def] [member_function]
>> +!23 = metadata !{i32 786478, metadata !1, metadata !"_ZTS1C", metadata
>> !"static_member_function", metadata !"static_member_function", metadata
>> !"_ZN1C22static_member_functionEv", i32 11, metadata !14, i1 false, i1 true,
>> i32 0, i32 0, null, i32 256, i1 false, i32 ()*
>> @_ZN1C22static_member_functionEv, null, metadata !13, metadata !2, i32 11} ;
>> [ DW_TAG_subprogram ] [line 11] [def] [static_member_function]
>> +!24 = metadata !{i32 786478, metadata !1, metadata !25, metadata
>> !"global_function", metadata !"global_function", metadata
>> !"_Z15global_functionv", i32 15, metadata !14, i1 false, i1 true, i32 0, i32
>> 0, null, i32 256, i1 false, i32 ()* @_Z15global_functionv, null, null,
>> metadata !2, i32 15} ; [ DW_TAG_subprogram ] [line 15] [def]
>> [global_function]
>> +!25 = metadata !{i32 786473, metadata !1} ; [ DW_TAG_file_type ]
>> [/usr/local/google/home/echristo/tmp/pubnames.cpp]
>> +!26 = metadata !{i32 786478, metadata !1, metadata !18, metadata
>> !"global_namespace_function", metadata !"global_namespace_function",
>> metadata !"_ZN2ns25global_namespace_functionEv", i32 18, metadata !27, i1
>> false, i1 true, i32 0, i32 0, null, i32 256, i1 false, void ()*
>> @_ZN2ns25global_namespace_functionEv, null, null, metadata !2, i32 18} ; [
>> DW_TAG_subprogram ] [line 18] [def] [global_namespace_function]
>> +!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 !{metadata !30, metadata !31, metadata !32, metadata !33}
>> +!30 = metadata !{i32 786484, i32 0, metadata !4, metadata
>> !"static_member_variable", metadata !"static_member_variable", metadata
>> !"_ZN1C22static_member_variableE", metadata !25, i32 7, metadata !7, i32 0,
>> i32 1, i32* @_ZN1C22static_member_variableE, metadata !6} ; [
>> DW_TAG_variable ] [static_member_variable] [line 7] [def]
>> +!31 = metadata !{i32 786484, i32 0, null, metadata !"global_variable",
>> metadata !"global_variable", metadata !"", metadata !25, i32 13, metadata
>> !4, i32 0, i32 1, %struct.C* @global_variable, null} ; [ DW_TAG_variable ]
>> [global_variable] [line 13] [def]
>> +!32 = metadata !{i32 786484, i32 0, metadata !18, metadata
>> !"global_namespace_variable", metadata !"global_namespace_variable",
>> metadata !"_ZN2ns25global_namespace_variableE", metadata !25, i32 19,
>> metadata !7, i32 0, i32 1, i32* @_ZN2ns25global_namespace_variableE, null} ;
>> [ DW_TAG_variable ] [global_namespace_variable] [line 19] [def]
>> +!33 = metadata !{i32 786484, i32 0, metadata !18, metadata !"d", metadata
>> !"d", metadata !"_ZN2ns1dE", metadata !25, i32 23, metadata !17, i32 0, i32
>> 1, %"struct.ns::D"* @_ZN2ns1dE, null} ; [ DW_TAG_variable ] [d] [line 23]
>> [def]
>> +!34 = metadata !{i32 2, metadata !"Dwarf Version", i32 4}
>> +!35 = metadata !{metadata !"clang version 3.4 (trunk 192862) (llvm/trunk
>> 192861)"}
>> +!36 = metadata !{i32 786689, metadata !22, 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 !22, null}
>> +!39 = metadata !{i32 9, i32 0, metadata !22, null}
>> +!40 = metadata !{i32 11, i32 0, metadata !23, null}
>> +!41 = metadata !{i32 15, i32 0, metadata !24, null}
>> +!42 = metadata !{i32 18, i32 0, metadata !26, null}
>> +
>>
>>
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