[llvm] r227056 - Debug info: Fix PR22296 by omitting the DW_AT_location if we lost the

Adrian Prantl aprantl at apple.com
Mon Jan 26 10:54:54 PST 2015


Here’s my script:

$ cat test.sh
#/bin/bash
/Volumes/Data/llvm/_build.ninja.release/bin/clang  -cc1 -triple x86_64-apple-macosx10.10.0 -emit-obj -disable-free -main-file-name AsmMatcherEmitter.cpp -mrelocation-model pic -pic-level 2 -mthread-model posix -mdisable-fp-elim -masm-verbose -munwind-tables -target-cpu core2 -target-linker-version 241.4 -gdwarf-2 -dwarf-column-info -coverage-file /Volumes/Data/llvm/_build.ninja.release2/utils/TableGen/CMakeFiles/llvm-tblgen.dir/AsmMatcherEmitter.cpp.o -resource-dir /Volumes/Data/llvm/_build.ninja.release/bin/../lib/clang/3.7.0 -dependency-file utils/TableGen/CMakeFiles/llvm-tblgen.dir/AsmMatcherEmitter.cpp.o.d -MT utils/TableGen/CMakeFiles/llvm-tblgen.dir/AsmMatcherEmitter.cpp.o -D GTEST_HAS_RTTI=0 -D __STDC_CONSTANT_MACROS -D __STDC_FORMAT_MACROS -D __STDC_LIMIT_MACROS -I utils/TableGen -I ../utils/TableGen -I include -I ../include -stdlib=libc++ -O2 -std=c++11 -fdeprecated-macro -fdebug-compilation-dir /Volumes/Data/llvm/_build.ninja.release2 -ferror-limit 19 -fmessage-length 0 -fvisibility-inlines-hidden -stack-protector 1 -mstackrealign -fblocks -fno-rtti -fobjc-runtime=macosx-10.10.0 -fencode-extended-block-signature -fmax-type-align=16 -fdiagnostics-show-option -fcolor-diagnostics -o /dev/null -x c++ test1.cpp 2>&1 | grep -q "reg must be a physical register”

-- adrian

> On Jan 26, 2015, at 10:31 AM, David Blaikie <dblaikie at gmail.com> wrote:
> 
> 
> 
> On Mon, Jan 26, 2015 at 9:39 AM, Adrian Prantl <aprantl at apple.com <mailto:aprantl at apple.com>> wrote:
> 
>> On Jan 26, 2015, at 9:29 AM, David Blaikie <dblaikie at gmail.com <mailto:dblaikie at gmail.com>> wrote:
>> 
>> 
>> 
>> On Sun, Jan 25, 2015 at 11:04 AM, Adrian Prantl <aprantl at apple.com <mailto:aprantl at apple.com>> wrote:
>> Author: adrian
>> Date: Sun Jan 25 13:04:08 2015
>> New Revision: 227056
>> 
>> URL: http://llvm.org/viewvc/llvm-project?rev=227056&view=rev <http://llvm.org/viewvc/llvm-project?rev=227056&view=rev>
>> Log:
>> Debug info: Fix PR22296 by omitting the DW_AT_location if we lost the
>> physical register that is described in a DBG_VALUE.
>> 
>> In the testcase the DBG_VALUE describing "p5" becomes unavailable
>> because the register its address is in is clobbered and we (currently)
>> aren't smart enough to realize that the value is rematerialized immediately
>> after the DBG_VALUE and/or is actually a stack slot.
>> 
>> Added:
>>     llvm/trunk/test/DebugInfo/X86/nophysreg.ll
>> Modified:
>>     llvm/trunk/lib/CodeGen/AsmPrinter/DwarfCompileUnit.cpp
>>     llvm/trunk/lib/CodeGen/AsmPrinter/DwarfExpression.cpp
>> 
>> Modified: llvm/trunk/lib/CodeGen/AsmPrinter/DwarfCompileUnit.cpp
>> URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/CodeGen/AsmPrinter/DwarfCompileUnit.cpp?rev=227056&r1=227055&r2=227056&view=diff <http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/CodeGen/AsmPrinter/DwarfCompileUnit.cpp?rev=227056&r1=227055&r2=227056&view=diff>
>> ==============================================================================
>> --- llvm/trunk/lib/CodeGen/AsmPrinter/DwarfCompileUnit.cpp (original)
>> +++ llvm/trunk/lib/CodeGen/AsmPrinter/DwarfCompileUnit.cpp Sun Jan 25 13:04:08 2015
>> @@ -768,15 +768,18 @@ void DwarfCompileUnit::addComplexAddress
>>    DIELoc *Loc = new (DIEValueAllocator) DIELoc();
>>    DIEDwarfExpression DwarfExpr(*Asm, *this, *Loc);
>>    DIExpression Expr = DV.getExpression();
>> +  bool ValidReg;
>>    if (Location.getOffset()) {
>> -    if (DwarfExpr.AddMachineRegIndirect(Location.getReg(),
>> -                                        Location.getOffset()))
>> +    ValidReg = DwarfExpr.AddMachineRegIndirect(Location.getReg(),
>> +                                               Location.getOffset());
>> +    if (ValidReg)
>>        DwarfExpr.AddExpression(Expr);
>>    } else
>> -    DwarfExpr.AddMachineRegExpression(Expr, Location.getReg());
>> +    ValidReg = DwarfExpr.AddMachineRegExpression(Expr, Location.getReg());
>> 
>>    // Now attach the location information to the DIE.
>> -  addBlock(Die, Attribute, Loc);
>> +  if (ValidReg)
>> +    addBlock(Die, Attribute, Loc);
>>  }
>> 
>>  /// Add a Dwarf loclistptr attribute data and value.
>> 
>> Modified: llvm/trunk/lib/CodeGen/AsmPrinter/DwarfExpression.cpp
>> URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/CodeGen/AsmPrinter/DwarfExpression.cpp?rev=227056&r1=227055&r2=227056&view=diff <http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/CodeGen/AsmPrinter/DwarfExpression.cpp?rev=227056&r1=227055&r2=227056&view=diff>
>> ==============================================================================
>> --- llvm/trunk/lib/CodeGen/AsmPrinter/DwarfExpression.cpp (original)
>> +++ llvm/trunk/lib/CodeGen/AsmPrinter/DwarfExpression.cpp Sun Jan 25 13:04:08 2015
>> @@ -92,6 +92,9 @@ bool DwarfExpression::AddMachineRegPiece
>>                                           unsigned PieceSizeInBits,
>>                                           unsigned PieceOffsetInBits) {
>>    const TargetRegisterInfo *TRI = getTRI();
>> +  if (!TRI->isPhysicalRegister(MachineReg))
>> +    return false;
>> +
>>    int Reg = TRI->getDwarfRegNum(MachineReg, false);
>> 
>>    // If this is a valid register number, emit it.
>> 
>> Added: llvm/trunk/test/DebugInfo/X86/nophysreg.ll
>> URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/DebugInfo/X86/nophysreg.ll?rev=227056&view=auto <http://llvm.org/viewvc/llvm-project/llvm/trunk/test/DebugInfo/X86/nophysreg.ll?rev=227056&view=auto>
>> ==============================================================================
>> --- llvm/trunk/test/DebugInfo/X86/nophysreg.ll (added)
>> +++ llvm/trunk/test/DebugInfo/X86/nophysreg.ll Sun Jan 25 13:04:08 2015
>> @@ -0,0 +1,373 @@
>> +; RUN: llc -filetype=obj < %s | llvm-dwarfdump -debug-dump=info - | FileCheck %s
>> +;
>> +; PR22296: In this testcase the DBG_VALUE describing "p5" becomes unavailable
>> +; because the register its address is in is clobbered and we (currently) aren't
>> +; smart enough to realize that the value is rematerialized immediately after the
>> +; DBG_VALUE and/or is actually a stack slot.
>> +;
>> +; Test that we handle this situation gracefully by omitting the DW_AT_location
>> +; and not asserting.
>> 
>> Could you include the source code for the test? (& if it's the same source as in the bug - that one's a bit long, hopefully it can be further reduced - usually it's possible/safe to remove templates, for example). I can try to help with the reduction if you like.
> 
> It’s the exact source code that I posed to the PR yesterday.
> 
> I can't seem to reproduce it with that source and the command line from one of the crash dumps listed earlier in the bug (after reverting your patch locally) - what was the -cc1 command line you used along with that source?
>  
> This was the best that creduce could come up with after I helped it a little by rewriting the input. I admit that didn’t try very hard to specialize the templates. I then compiled the code to IR and ran bugpoint on it. I opted to not include the sources because they were a bit long. I mean, ideally, this whole testcase will fail at some point in the future, when DbgValueHistoryCalculator becomes smarter. Unfortunately we don’t have a textual representation for MachineInstructions, which is what we would really need here to turn this into a useful testcase. Otherwise we have to play games to trick the backend to do the exact sequence of spilling/rematerialization necessary to trigger a certain behavior, which IMO isn’t really worth the effort.
> 
> -- adrian
> 
>>  
>> +;
>> +; CHECK: DW_TAG_formal_parameter
>> +; CHECK: DW_AT_name {{.*}}"p5"
>> +; CHECK-NOT: DW_AT_location
>> +; CHECK: DW_TAG
>> +; ModuleID = 'bugpoint-reduced-simplified.bc'
>> +target datalayout = "e-m:o-i64:64-f80:128-n8:16:32:64-S128"
>> +target triple = "x86_64-apple-macosx10.10.0"
>> +
>> +%class.D.1.85 = type { %class.C.0.84 }
>> +%class.C.0.84 = type { i8 }
>> +%class.J.2.86 = type { i8 }
>> +%class.B.7.91 = type { i8 }
>> +%class.D.3.9.93 = type { %class.C.4.8.92 }
>> +%class.C.4.8.92 = type { i8 }
>> +%class.G.3.87 = type { i8 }
>> +%class.F.4.88 = type { i8 }
>> +%class.D.0.6.90 = type { %class.C.1.5.89 }
>> +%class.C.1.5.89 = type { i8 }
>> +
>> +; Function Attrs: nounwind readnone ssp uwtable
>> +declare %class.D.1.85* @_Z9addressofR1DIPiE(%class.D.1.85* readnone dereferenceable(1)) #0
>> +
>> +; Function Attrs: nounwind readnone
>> +declare void @llvm.dbg.declare(metadata, metadata, metadata) #1
>> +
>> +; Function Attrs: nounwind ssp uwtable
>> +define void @_ZN1J20buildRegisterClassesERi(%class.J.2.86* %this, i32* nocapture readnone dereferenceable(4)) #2 align 2 {
>> +entry:
>> +  %ref.tmp.i.i34 = alloca i32, align 4
>> +  %d = alloca %class.D.1.85, align 1
>> +  %__begin7 = alloca %class.B.7.91, align 1
>> +  %__end9 = alloca %class.B.7.91, align 1
>> +  %e = alloca %class.D.1.85, align 1
>> +  %f = alloca %class.D.3.9.93, align 1
>> +  br i1 undef, label %for.body.lr.ph <http://for.body.lr.ph/>, label %for.end28, !dbg !236
>> +
>> +for.body.lr.ph <http://for.body.lr.ph/>:                                   ; preds = %entry
>> +  %__tree_.i.i33 = getelementptr inbounds %class.D.1.85* %d, i64 0, i32 0, !dbg !237
>> +  %__tree_.i.i35 = getelementptr inbounds %class.D.3.9.93* %f, i64 0, i32 0, !dbg !240
>> +  br label %for.body, !dbg !236
>> +
>> +for.body:                                         ; preds = %for.inc27, %for.body.lr.ph <http://for.body.lr.ph/>
>> +  call void @_ZN1CIPiEC1ERKi(%class.C.0.84* %__tree_.i.i33, i32* dereferenceable(4) undef) #4, !dbg !237
>> +  br i1 undef, label %for.body14, label %for.inc27, !dbg !243
>> +
>> +for.body14:                                       ; preds = %for.body14, %for.body
>> +  call void @_ZN1CIiEC1ERKi(%class.C.4.8.92* %__tree_.i.i35, i32* dereferenceable(4) %ref.tmp.i.i34) #4, !dbg !240
>> +  call void @_ZN1DIPiE3endEv(%class.D.1.85* %e) #4, !dbg !244
>> +  call void @llvm.dbg.value(metadata %class.D.1.85* %d, i64 0, metadata !245, metadata !247) #4, !dbg !248
>> +  call void @_Z16set_intersectionI1BIiES0_IPiE1AI1DIS2_EEiEvT_T0_T1_T2_(%class.D.1.85* %d, i32 0) #4, !dbg !249
>> +  call void @_ZN1BI1DIPiEEppEv(%class.B.7.91* %__begin7) #4, !dbg !243
>> +  %call13 = call zeroext i1 @_Zne1BI1DIPiEERS3_(%class.B.7.91* dereferenceable(1) %__end9) #4, !dbg !243
>> +  br i1 %call13, label %for.body14, label %for.inc27, !dbg !243
>> +
>> +for.inc27:                                        ; preds = %for.body14, %for.body
>> +  %call = call zeroext i1 @_Zne1FS_() #4, !dbg !236
>> +  br i1 %call, label %for.body, label %for.end28, !dbg !236
>> +
>> +for.end28:                                        ; preds = %for.inc27, %entry
>> +  ret void, !dbg !250
>> +}
>> +
>> +declare void @_ZN1J12getRegistersEv(%class.J.2.86*) #3
>> +
>> +declare void @_ZN1G5beginEv(%class.G.3.87*) #3
>> +
>> +declare void @_ZN1G3endEv(%class.G.3.87*) #3
>> +
>> +declare zeroext i1 @_Zne1FS_() #3
>> +
>> +declare i32 @_ZN1FdeEv(%class.F.4.88*) #3
>> +
>> +declare void @_ZN1DIS_IPiEE3endEv(%class.D.0.6.90*) #3
>> +
>> +declare zeroext i1 @_Zne1BI1DIPiEERS3_(%class.B.7.91* dereferenceable(1)) #3
>> +
>> +declare void @_ZN1BI1DIPiEEdeEv(%class.B.7.91*) #3
>> +
>> +declare void @_ZN1DIiE3endEv(%class.D.3.9.93*) #3
>> +
>> +declare void @_ZN1DIPiE3endEv(%class.D.1.85*) #3
>> +
>> +declare void @_ZN1BI1DIPiEEppEv(%class.B.7.91*) #3
>> +
>> +declare void @_ZN1FppEv(%class.F.4.88*) #3
>> +
>> +declare void @_ZN1CI1DIPiEEC1ERKi(%class.C.1.5.89*, i32* dereferenceable(4)) #3
>> +
>> +declare void @_ZN1CIPiEC1ERKi(%class.C.0.84*, i32* dereferenceable(4)) #3
>> +
>> +declare void @_ZN1CIiEC1ERKi(%class.C.4.8.92*, i32* dereferenceable(4)) #3
>> +
>> +declare void @_Z16set_intersectionI1BIiES0_IPiE1AI1DIS2_EEiEvT_T0_T1_T2_(%class.D.1.85*, i32) #3
>> +
>> +; Function Attrs: nounwind readnone
>> +declare void @llvm.dbg.value(metadata, i64, metadata, metadata) #1
>> +
>> +; Function Attrs: nounwind
>> +declare void @llvm.lifetime.start(i64, i8* nocapture) #4
>> +
>> +; Function Attrs: nounwind
>> +declare void @llvm.lifetime.end(i64, i8* nocapture) #4
>> +
>> +attributes #0 = { nounwind readnone ssp uwtable }
>> +attributes #1 = { nounwind readnone }
>> +attributes #2 = { nounwind ssp uwtable }
>> +attributes #4 = { nounwind }
>> +
>> +!llvm.dbg.cu <http://llvm.dbg.cu/> = !{!0}
>> +!llvm.module.flags = !{!232, !233, !234}
>> +!llvm.ident = !{!235}
>> +
>> +!0 = !{!"0x11\004\00clang version 3.7.0 (trunk 226915) (llvm/trunk 226905)\001\00\000\00\001", !1, !2, !3, !146, !2, !2} ; [ DW_TAG_compile_unit ] [/AsmMatcherEmitter.cpp] [DW_LANG_C_plus_plus]
>> +!1 = !{!"AsmMatcherEmitter.cpp", !""}
>> +!2 = !{}
>> +!3 = !{!4, !23, !33, !42, !52, !59, !68, !84, !92, !101, !117, !125, !134}
>> +!4 = !{!"0x2\00D<int *>\0022\008\008\000\000\000", !5, null, null, !6, null, !19, !"_ZTS1DIPiE"} ; [ DW_TAG_class_type ] [D<int *>] [line 22, size 8, align 8, offset 0] [def] [from ]
>> +!5 = !{!"test1.cpp", !""}
>> +!6 = !{!7, !9, !13, !18}
>> +!7 = !{!"0xd\00__tree_\0024\008\008\000\000", !5, !"_ZTS1DIPiE", !8} ; [ DW_TAG_member ] [__tree_] [line 24, size 8, align 8, offset 0] [from __base]
>> +!8 = !{!"0x16\00__base\0023\000\000\000\000", !5, !"_ZTS1DIPiE", !"_ZTS1CIPiE"} ; [ DW_TAG_typedef ] [__base] [line 23, size 0, align 0, offset 0] [from _ZTS1CIPiE]
>> +!9 = !{!"0x2e\00D\00D\00\0027\000\000\000\000\00259\001\0027", !5, !"_ZTS1DIPiE", !10, null, null, null, null, null} ; [ DW_TAG_subprogram ] [line 27] [public] [D]
>> +!10 = !{!"0x15\00\000\000\000\000\000\000", null, null, null, !11, null, null, null} ; [ DW_TAG_subroutine_type ] [line 0, size 0, align 0, offset 0] [from ]
>> +!11 = !{null, !12}
>> +!12 = !{!"0xf\00\000\0064\0064\000\001088\00", null, null, !"_ZTS1DIPiE"} ; [ DW_TAG_pointer_type ] [line 0, size 64, align 64, offset 0] [artificial] [from _ZTS1DIPiE]
>> +!13 = !{!"0x2e\00begin\00begin\00_ZN1DIPiE5beginEv\0028\000\000\000\000\00259\001\0028", !5, !"_ZTS1DIPiE", !14, null, null, null, null, null} ; [ DW_TAG_subprogram ] [line 28] [public] [begin]
>> +!14 = !{!"0x15\00\000\000\000\000\000\000", null, null, null, !15, null, null, null} ; [ DW_TAG_subroutine_type ] [line 0, size 0, align 0, offset 0] [from ]
>> +!15 = !{!16, !12}
>> +!16 = !{!"0x16\00iterator\0026\000\000\000\000", !5, !"_ZTS1DIPiE", !17} ; [ DW_TAG_typedef ] [iterator] [line 26, size 0, align 0, offset 0] [from const_iterator]
>> +!17 = !{!"0x16\00const_iterator\0019\000\000\000\000", !5, !"_ZTS1CIPiE", !"_ZTS1BIPiE"} ; [ DW_TAG_typedef ] [const_iterator] [line 19, size 0, align 0, offset 0] [from _ZTS1BIPiE]
>> +!18 = !{!"0x2e\00end\00end\00_ZN1DIPiE3endEv\0029\000\000\000\000\00259\001\0029", !5, !"_ZTS1DIPiE", !14, null, null, null, null, null} ; [ DW_TAG_subprogram ] [line 29] [public] [end]
>> +!19 = !{!20}
>> +!20 = !{!"0x2f\00_Key\000\000", null, !21, null}  ; [ DW_TAG_template_type_parameter ]
>> +!21 = !{!"0xf\00\000\0064\0064\000\000", null, null, !22} ; [ DW_TAG_pointer_type ] [line 0, size 64, align 64, offset 0] [from int]
>> +!22 = !{!"0x24\00int\000\0032\0032\000\000\005", null, null} ; [ DW_TAG_base_type ] [int] [line 0, size 32, align 32, offset 0, enc DW_ATE_signed]
>> +!23 = !{!"0x2\00C<int *>\0017\008\008\000\000\000", !5, null, null, !24, null, !31, !"_ZTS1CIPiE"} ; [ DW_TAG_class_type ] [C<int *>] [line 17, size 8, align 8, offset 0] [def] [from ]
>> +!24 = !{!25}
>> +!25 = !{!"0x2e\00C\00C\00\0020\000\000\000\000\00259\001\0020", !5, !"_ZTS1CIPiE", !26, null, null, null, null, null} ; [ DW_TAG_subprogram ] [line 20] [public] [C]
>> +!26 = !{!"0x15\00\000\000\000\000\000\000", null, null, null, !27, null, null, null} ; [ DW_TAG_subroutine_type ] [line 0, size 0, align 0, offset 0] [from ]
>> +!27 = !{null, !28, !29}
>> +!28 = !{!"0xf\00\000\0064\0064\000\001088\00", null, null, !"_ZTS1CIPiE"} ; [ DW_TAG_pointer_type ] [line 0, size 64, align 64, offset 0] [artificial] [from _ZTS1CIPiE]
>> +!29 = !{!"0x10\00\000\000\000\000\000", null, null, !30} ; [ DW_TAG_reference_type ] [line 0, size 0, align 0, offset 0] [from ]
>> +!30 = !{!"0x26\00\000\000\000\000\000", null, null, !22} ; [ DW_TAG_const_type ] [line 0, size 0, align 0, offset 0] [from int]
>> +!31 = !{!32}
>> +!32 = !{!"0x2f\00_Tp\000\000", null, !21, null}   ; [ DW_TAG_template_type_parameter ]
>> +!33 = !{!"0x2\00B<int *>\0011\008\008\000\000\000", !5, null, null, !34, null, !31, !"_ZTS1BIPiE"} ; [ DW_TAG_class_type ] [B<int *>] [line 11, size 8, align 8, offset 0] [def] [from ]
>> +!34 = !{!35, !39}
>> +!35 = !{!"0x2e\00operator*\00operator*\00_ZN1BIPiEdeEv\0013\000\000\000\000\00259\001\0013", !5, !"_ZTS1BIPiE", !36, null, null, null, null, null} ; [ DW_TAG_subprogram ] [line 13] [public] [operator*]
>> +!36 = !{!"0x15\00\000\000\000\000\000\000", null, null, null, !37, null, null, null} ; [ DW_TAG_subroutine_type ] [line 0, size 0, align 0, offset 0] [from ]
>> +!37 = !{!21, !38}
>> +!38 = !{!"0xf\00\000\0064\0064\000\001088\00", null, null, !"_ZTS1BIPiE"} ; [ DW_TAG_pointer_type ] [line 0, size 64, align 64, offset 0] [artificial] [from _ZTS1BIPiE]
>> +!39 = !{!"0x2e\00operator++\00operator++\00_ZN1BIPiEppEv\0014\000\000\000\000\00259\001\0014", !5, !"_ZTS1BIPiE", !40, null, null, null, null, null} ; [ DW_TAG_subprogram ] [line 14] [public] [operator++]
>> +!40 = !{!"0x15\00\000\000\000\000\000\000", null, null, null, !41, null, null, null} ; [ DW_TAG_subroutine_type ] [line 0, size 0, align 0, offset 0] [from ]
>> +!41 = !{null, !38}
>> +!42 = !{!"0x2\00J\0042\008\008\000\000\000", !5, null, null, !43, null, null, !"_ZTS1J"} ; [ DW_TAG_class_type ] [J] [line 42, size 8, align 8, offset 0] [def] [from ]
>> +!43 = !{!44, !48}
>> +!44 = !{!"0x2e\00getRegisters\00getRegisters\00_ZN1J12getRegistersEv\0043\000\000\000\000\00256\001\0043", !5, !"_ZTS1J", !45, null, null, null, null, null} ; [ DW_TAG_subprogram ] [line 43] [getRegisters]
>> +!45 = !{!"0x15\00\000\000\000\000\000\000", null, null, null, !46, null, null, null} ; [ DW_TAG_subroutine_type ] [line 0, size 0, align 0, offset 0] [from ]
>> +!46 = !{!"_ZTS1G", !47}
>> +!47 = !{!"0xf\00\000\0064\0064\000\001088\00", null, null, !"_ZTS1J"} ; [ DW_TAG_pointer_type ] [line 0, size 64, align 64, offset 0] [artificial] [from _ZTS1J]
>> +!48 = !{!"0x2e\00buildRegisterClasses\00buildRegisterClasses\00_ZN1J20buildRegisterClassesERi\0044\000\000\000\000\00256\001\0044", !5, !"_ZTS1J", !49, null, null, null, null, null} ; [ DW_TAG_subprogram ] [line 44] [buildRegisterClasses]
>> +!49 = !{!"0x15\00\000\000\000\000\000\000", null, null, null, !50, null, null, null} ; [ DW_TAG_subroutine_type ] [line 0, size 0, align 0, offset 0] [from ]
>> +!50 = !{null, !47, !51}
>> +!51 = !{!"0x10\00\000\000\000\000\000", null, null, !22} ; [ DW_TAG_reference_type ] [line 0, size 0, align 0, offset 0] [from int]
>> +!52 = !{!"0x2\00G\0037\008\008\000\000\000", !5, null, null, !53, null, null, !"_ZTS1G"} ; [ DW_TAG_class_type ] [G] [line 37, size 8, align 8, offset 0] [def] [from ]
>> +!53 = !{!54, !58}
>> +!54 = !{!"0x2e\00begin\00begin\00_ZN1G5beginEv\0039\000\000\000\000\00259\001\0039", !5, !"_ZTS1G", !55, null, null, null, null, null} ; [ DW_TAG_subprogram ] [line 39] [public] [begin]
>> +!55 = !{!"0x15\00\000\000\000\000\000\000", null, null, null, !56, null, null, null} ; [ DW_TAG_subroutine_type ] [line 0, size 0, align 0, offset 0] [from ]
>> +!56 = !{!"_ZTS1F", !57}
>> +!57 = !{!"0xf\00\000\0064\0064\000\001088\00", null, null, !"_ZTS1G"} ; [ DW_TAG_pointer_type ] [line 0, size 64, align 64, offset 0] [artificial] [from _ZTS1G]
>> +!58 = !{!"0x2e\00end\00end\00_ZN1G3endEv\0040\000\000\000\000\00259\001\0040", !5, !"_ZTS1G", !55, null, null, null, null, null} ; [ DW_TAG_subprogram ] [line 40] [public] [end]
>> +!59 = !{!"0x2\00F\0031\008\008\000\000\000", !5, null, null, !60, null, null, !"_ZTS1F"} ; [ DW_TAG_class_type ] [F] [line 31, size 8, align 8, offset 0] [def] [from ]
>> +!60 = !{!61, !65}
>> +!61 = !{!"0x2e\00operator*\00operator*\00_ZN1FdeEv\0033\000\000\000\000\00259\001\0033", !5, !"_ZTS1F", !62, null, null, null, null, null} ; [ DW_TAG_subprogram ] [line 33] [public] [operator*]
>> +!62 = !{!"0x15\00\000\000\000\000\000\000", null, null, null, !63, null, null, null} ; [ DW_TAG_subroutine_type ] [line 0, size 0, align 0, offset 0] [from ]
>> +!63 = !{!22, !64}
>> +!64 = !{!"0xf\00\000\0064\0064\000\001088\00", null, null, !"_ZTS1F"} ; [ DW_TAG_pointer_type ] [line 0, size 64, align 64, offset 0] [artificial] [from _ZTS1F]
>> +!65 = !{!"0x2e\00operator++\00operator++\00_ZN1FppEv\0034\000\000\000\000\00259\001\0034", !5, !"_ZTS1F", !66, null, null, null, null, null} ; [ DW_TAG_subprogram ] [line 34] [public] [operator++]
>> +!66 = !{!"0x15\00\000\000\000\000\000\000", null, null, null, !67, null, null, null} ; [ DW_TAG_subroutine_type ] [line 0, size 0, align 0, offset 0] [from ]
>> +!67 = !{null, !64}
>> +!68 = !{!"0x2\00D<D<int *> >\0022\008\008\000\000\000", !5, null, null, !69, null, !82, !"_ZTS1DIS_IPiEE"} ; [ DW_TAG_class_type ] [D<D<int *> >] [line 22, size 8, align 8, offset 0] [def] [from ]
>> +!69 = !{!70, !72, !76, !81}
>> +!70 = !{!"0xd\00__tree_\0024\008\008\000\000", !5, !"_ZTS1DIS_IPiEE", !71} ; [ DW_TAG_member ] [__tree_] [line 24, size 8, align 8, offset 0] [from __base]
>> +!71 = !{!"0x16\00__base\0023\000\000\000\000", !5, !"_ZTS1DIS_IPiEE", !"_ZTS1CI1DIPiEE"} ; [ DW_TAG_typedef ] [__base] [line 23, size 0, align 0, offset 0] [from _ZTS1CI1DIPiEE]
>> +!72 = !{!"0x2e\00D\00D\00\0027\000\000\000\000\00259\001\0027", !5, !"_ZTS1DIS_IPiEE", !73, null, null, null, null, null} ; [ DW_TAG_subprogram ] [line 27] [public] [D]
>> +!73 = !{!"0x15\00\000\000\000\000\000\000", null, null, null, !74, null, null, null} ; [ DW_TAG_subroutine_type ] [line 0, size 0, align 0, offset 0] [from ]
>> +!74 = !{null, !75}
>> +!75 = !{!"0xf\00\000\0064\0064\000\001088\00", null, null, !"_ZTS1DIS_IPiEE"} ; [ DW_TAG_pointer_type ] [line 0, size 64, align 64, offset 0] [artificial] [from _ZTS1DIS_IPiEE]
>> +!76 = !{!"0x2e\00begin\00begin\00_ZN1DIS_IPiEE5beginEv\0028\000\000\000\000\00259\001\0028", !5, !"_ZTS1DIS_IPiEE", !77, null, null, null, null, null} ; [ DW_TAG_subprogram ] [line 28] [public] [begin]
>> +!77 = !{!"0x15\00\000\000\000\000\000\000", null, null, null, !78, null, null, null} ; [ DW_TAG_subroutine_type ] [line 0, size 0, align 0, offset 0] [from ]
>> +!78 = !{!79, !75}
>> +!79 = !{!"0x16\00iterator\0026\000\000\000\000", !5, !"_ZTS1DIS_IPiEE", !80} ; [ DW_TAG_typedef ] [iterator] [line 26, size 0, align 0, offset 0] [from const_iterator]
>> +!80 = !{!"0x16\00const_iterator\0019\000\000\000\000", !5, !"_ZTS1CI1DIPiEE", !"_ZTS1BI1DIPiEE"} ; [ DW_TAG_typedef ] [const_iterator] [line 19, size 0, align 0, offset 0] [from _ZTS1BI1DIPiEE]
>> +!81 = !{!"0x2e\00end\00end\00_ZN1DIS_IPiEE3endEv\0029\000\000\000\000\00259\001\0029", !5, !"_ZTS1DIS_IPiEE", !77, null, null, null, null, null} ; [ DW_TAG_subprogram ] [line 29] [public] [end]
>> +!82 = !{!83}
>> +!83 = !{!"0x2f\00_Key\000\000", null, !"_ZTS1DIPiE", null} ; [ DW_TAG_template_type_parameter ]
>> +!84 = !{!"0x2\00C<D<int *> >\0017\008\008\000\000\000", !5, null, null, !85, null, !90, !"_ZTS1CI1DIPiEE"} ; [ DW_TAG_class_type ] [C<D<int *> >] [line 17, size 8, align 8, offset 0] [def] [from ]
>> +!85 = !{!86}
>> +!86 = !{!"0x2e\00C\00C\00\0020\000\000\000\000\00259\001\0020", !5, !"_ZTS1CI1DIPiEE", !87, null, null, null, null, null} ; [ DW_TAG_subprogram ] [line 20] [public] [C]
>> +!87 = !{!"0x15\00\000\000\000\000\000\000", null, null, null, !88, null, null, null} ; [ DW_TAG_subroutine_type ] [line 0, size 0, align 0, offset 0] [from ]
>> +!88 = !{null, !89, !29}
>> +!89 = !{!"0xf\00\000\0064\0064\000\001088\00", null, null, !"_ZTS1CI1DIPiEE"} ; [ DW_TAG_pointer_type ] [line 0, size 64, align 64, offset 0] [artificial] [from _ZTS1CI1DIPiEE]
>> +!90 = !{!91}
>> +!91 = !{!"0x2f\00_Tp\000\000", null, !"_ZTS1DIPiE", null} ; [ DW_TAG_template_type_parameter ]
>> +!92 = !{!"0x2\00B<D<int *> >\0011\008\008\000\000\000", !5, null, null, !93, null, !90, !"_ZTS1BI1DIPiEE"} ; [ DW_TAG_class_type ] [B<D<int *> >] [line 11, size 8, align 8, offset 0] [def] [from ]
>> +!93 = !{!94, !98}
>> +!94 = !{!"0x2e\00operator*\00operator*\00_ZN1BI1DIPiEEdeEv\0013\000\000\000\000\00259\001\0013", !5, !"_ZTS1BI1DIPiEE", !95, null, null, null, null, null} ; [ DW_TAG_subprogram ] [line 13] [public] [operator*]
>> +!95 = !{!"0x15\00\000\000\000\000\000\000", null, null, null, !96, null, null, null} ; [ DW_TAG_subroutine_type ] [line 0, size 0, align 0, offset 0] [from ]
>> +!96 = !{!"_ZTS1DIPiE", !97}
>> +!97 = !{!"0xf\00\000\0064\0064\000\001088\00", null, null, !"_ZTS1BI1DIPiEE"} ; [ DW_TAG_pointer_type ] [line 0, size 64, align 64, offset 0] [artificial] [from _ZTS1BI1DIPiEE]
>> +!98 = !{!"0x2e\00operator++\00operator++\00_ZN1BI1DIPiEEppEv\0014\000\000\000\000\00259\001\0014", !5, !"_ZTS1BI1DIPiEE", !99, null, null, null, null, null} ; [ DW_TAG_subprogram ] [line 14] [public] [operator++]
>> +!99 = !{!"0x15\00\000\000\000\000\000\000", null, null, null, !100, null, null, null} ; [ DW_TAG_subroutine_type ] [line 0, size 0, align 0, offset 0] [from ]
>> +!100 = !{null, !97}
>> +!101 = !{!"0x2\00D<int>\0022\008\008\000\000\000", !5, null, null, !102, null, !115, !"_ZTS1DIiE"} ; [ DW_TAG_class_type ] [D<int>] [line 22, size 8, align 8, offset 0] [def] [from ]
>> +!102 = !{!103, !105, !109, !114}
>> +!103 = !{!"0xd\00__tree_\0024\008\008\000\000", !5, !"_ZTS1DIiE", !104} ; [ DW_TAG_member ] [__tree_] [line 24, size 8, align 8, offset 0] [from __base]
>> +!104 = !{!"0x16\00__base\0023\000\000\000\000", !5, !"_ZTS1DIiE", !"_ZTS1CIiE"} ; [ DW_TAG_typedef ] [__base] [line 23, size 0, align 0, offset 0] [from _ZTS1CIiE]
>> +!105 = !{!"0x2e\00D\00D\00\0027\000\000\000\000\00259\001\0027", !5, !"_ZTS1DIiE", !106, null, null, null, null, null} ; [ DW_TAG_subprogram ] [line 27] [public] [D]
>> +!106 = !{!"0x15\00\000\000\000\000\000\000", null, null, null, !107, null, null, null} ; [ DW_TAG_subroutine_type ] [line 0, size 0, align 0, offset 0] [from ]
>> +!107 = !{null, !108}
>> +!108 = !{!"0xf\00\000\0064\0064\000\001088\00", null, null, !"_ZTS1DIiE"} ; [ DW_TAG_pointer_type ] [line 0, size 64, align 64, offset 0] [artificial] [from _ZTS1DIiE]
>> +!109 = !{!"0x2e\00begin\00begin\00_ZN1DIiE5beginEv\0028\000\000\000\000\00259\001\0028", !5, !"_ZTS1DIiE", !110, null, null, null, null, null} ; [ DW_TAG_subprogram ] [line 28] [public] [begin]
>> +!110 = !{!"0x15\00\000\000\000\000\000\000", null, null, null, !111, null, null, null} ; [ DW_TAG_subroutine_type ] [line 0, size 0, align 0, offset 0] [from ]
>> +!111 = !{!112, !108}
>> +!112 = !{!"0x16\00iterator\0026\000\000\000\000", !5, !"_ZTS1DIiE", !113} ; [ DW_TAG_typedef ] [iterator] [line 26, size 0, align 0, offset 0] [from const_iterator]
>> +!113 = !{!"0x16\00const_iterator\0019\000\000\000\000", !5, !"_ZTS1CIiE", !"_ZTS1BIiE"} ; [ DW_TAG_typedef ] [const_iterator] [line 19, size 0, align 0, offset 0] [from _ZTS1BIiE]
>> +!114 = !{!"0x2e\00end\00end\00_ZN1DIiE3endEv\0029\000\000\000\000\00259\001\0029", !5, !"_ZTS1DIiE", !110, null, null, null, null, null} ; [ DW_TAG_subprogram ] [line 29] [public] [end]
>> +!115 = !{!116}
>> +!116 = !{!"0x2f\00_Key\000\000", null, !22, null} ; [ DW_TAG_template_type_parameter ]
>> +!117 = !{!"0x2\00C<int>\0017\008\008\000\000\000", !5, null, null, !118, null, !123, !"_ZTS1CIiE"} ; [ DW_TAG_class_type ] [C<int>] [line 17, size 8, align 8, offset 0] [def] [from ]
>> +!118 = !{!119}
>> +!119 = !{!"0x2e\00C\00C\00\0020\000\000\000\000\00259\001\0020", !5, !"_ZTS1CIiE", !120, null, null, null, null, null} ; [ DW_TAG_subprogram ] [line 20] [public] [C]
>> +!120 = !{!"0x15\00\000\000\000\000\000\000", null, null, null, !121, null, null, null} ; [ DW_TAG_subroutine_type ] [line 0, size 0, align 0, offset 0] [from ]
>> +!121 = !{null, !122, !29}
>> +!122 = !{!"0xf\00\000\0064\0064\000\001088\00", null, null, !"_ZTS1CIiE"} ; [ DW_TAG_pointer_type ] [line 0, size 64, align 64, offset 0] [artificial] [from _ZTS1CIiE]
>> +!123 = !{!124}
>> +!124 = !{!"0x2f\00_Tp\000\000", null, !22, null}  ; [ DW_TAG_template_type_parameter ]
>> +!125 = !{!"0x2\00B<int>\0011\008\008\000\000\000", !5, null, null, !126, null, !123, !"_ZTS1BIiE"} ; [ DW_TAG_class_type ] [B<int>] [line 11, size 8, align 8, offset 0] [def] [from ]
>> +!126 = !{!127, !131}
>> +!127 = !{!"0x2e\00operator*\00operator*\00_ZN1BIiEdeEv\0013\000\000\000\000\00259\001\0013", !5, !"_ZTS1BIiE", !128, null, null, null, null, null} ; [ DW_TAG_subprogram ] [line 13] [public] [operator*]
>> +!128 = !{!"0x15\00\000\000\000\000\000\000", null, null, null, !129, null, null, null} ; [ DW_TAG_subroutine_type ] [line 0, size 0, align 0, offset 0] [from ]
>> +!129 = !{!22, !130}
>> +!130 = !{!"0xf\00\000\0064\0064\000\001088\00", null, null, !"_ZTS1BIiE"} ; [ DW_TAG_pointer_type ] [line 0, size 64, align 64, offset 0] [artificial] [from _ZTS1BIiE]
>> +!131 = !{!"0x2e\00operator++\00operator++\00_ZN1BIiEppEv\0014\000\000\000\000\00259\001\0014", !5, !"_ZTS1BIiE", !132, null, null, null, null, null} ; [ DW_TAG_subprogram ] [line 14] [public] [operator++]
>> +!132 = !{!"0x15\00\000\000\000\000\000\000", null, null, null, !133, null, null, null} ; [ DW_TAG_subroutine_type ] [line 0, size 0, align 0, offset 0] [from ]
>> +!133 = !{null, !130}
>> +!134 = !{!"0x2\00A<D<int *> >\001\00128\0064\000\000\000", !5, null, null, !135, null, !144, !"_ZTS1AI1DIPiEE"} ; [ DW_TAG_class_type ] [A<D<int *> >] [line 1, size 128, align 64, offset 0] [def] [from ]
>> +!135 = !{!136, !138, !139}
>> +!136 = !{!"0xd\00container\002\0064\0064\000\000", !5, !"_ZTS1AI1DIPiEE", !137} ; [ DW_TAG_member ] [container] [line 2, size 64, align 64, offset 0] [from ]
>> +!137 = !{!"0xf\00\000\0064\0064\000\000", null, null, !"_ZTS1DIPiE"} ; [ DW_TAG_pointer_type ] [line 0, size 64, align 64, offset 0] [from _ZTS1DIPiE]
>> +!138 = !{!"0xd\00iter\003\008\008\0064\000", !5, !"_ZTS1AI1DIPiEE", !16} ; [ DW_TAG_member ] [iter] [line 3, size 8, align 8, offset 64] [from iterator]
>> +!139 = !{!"0x2e\00A\00A\00\005\000\000\000\000\00259\001\005", !5, !"_ZTS1AI1DIPiEE", !140, null, null, null, null, null} ; [ DW_TAG_subprogram ] [line 5] [public] [A]
>> +!140 = !{!"0x15\00\000\000\000\000\000\000", null, null, null, !141, null, null, null} ; [ DW_TAG_subroutine_type ] [line 0, size 0, align 0, offset 0] [from ]
>> +!141 = !{null, !142, !143, !16}
>> +!142 = !{!"0xf\00\000\0064\0064\000\001088\00", null, null, !"_ZTS1AI1DIPiEE"} ; [ DW_TAG_pointer_type ] [line 0, size 64, align 64, offset 0] [artificial] [from _ZTS1AI1DIPiEE]
>> +!143 = !{!"0x10\00\000\000\000\000\000", null, null, !"_ZTS1DIPiE"} ; [ DW_TAG_reference_type ] [line 0, size 0, align 0, offset 0] [from _ZTS1DIPiE]
>> +!144 = !{!145}
>> +!145 = !{!"0x2f\00_Container\000\000", null, !"_ZTS1DIPiE", null} ; [ DW_TAG_template_type_parameter ]
>> +!146 = !{!147, !153, !179, !183, !186, !189, !192, !195, !199, !202, !205, !211, !216, !219}
>> +!147 = !{!"0x2e\00addressof\00addressof\00_Z9addressofR1DIPiE\0046\000\001\000\000\00256\001\0046", !5, !148, !149, null, %class.D.1.85* (%class.D.1.85*)* @_Z9addressofR1DIPiE, null, null, !151} ; [ DW_TAG_subprogram ] [line 46] [def] [addressof]
>> +!148 = !{!"0x29", !5}                             ; [ DW_TAG_file_type ] [/test1.cpp]
>> +!149 = !{!"0x15\00\000\000\000\000\000\000", null, null, null, !150, null, null, null} ; [ DW_TAG_subroutine_type ] [line 0, size 0, align 0, offset 0] [from ]
>> +!150 = !{!137, !143}
>> +!151 = !{!152}
>> +!152 = !{!"0x101\00p1\0016777262\000", !147, !148, !143} ; [ DW_TAG_arg_variable ] [p1] [line 46]
>> +!153 = !{!"0x2e\00buildRegisterClasses\00buildRegisterClasses\00_ZN1J20buildRegisterClassesERi\0052\000\001\000\000\00256\001\0052", !5, !"_ZTS1J", !49, null, void (%class.J.2.86*, i32*)* @_ZN1J20buildRegisterClassesERi, null, !48, !154} ; [ DW_TAG_subprogram ] [line 52] [def] [buildRegisterClasses]
>> +!154 = !{!155, !157, !158, !159, !160, !163, !164, !165, !167, !169, !172, !173, !174, !176, !178}
>> +!155 = !{!"0x101\00this\0016777216\001088", !153, null, !156} ; [ DW_TAG_arg_variable ] [this] [line 0]
>> +!156 = !{!"0xf\00\000\0064\0064\000\000", null, null, !"_ZTS1J"} ; [ DW_TAG_pointer_type ] [line 0, size 64, align 64, offset 0] [from _ZTS1J]
>> +!157 = !{!"0x101\00\0033554484\000", !153, !148, !51} ; [ DW_TAG_arg_variable ] [line 52]
>> +!158 = !{!"0x100\00a\0053\000", !153, !148, !"_ZTS1G"} ; [ DW_TAG_auto_variable ] [a] [line 53]
>> +!159 = !{!"0x100\00b\0054\000", !153, !148, !"_ZTS1DIS_IPiEE"} ; [ DW_TAG_auto_variable ] [b] [line 54]
>> +!160 = !{!"0x100\00__range\000\0064", !161, null, !162} ; [ DW_TAG_auto_variable ] [__range] [line 0]
>> +!161 = !{!"0xb\0055\003\000", !5, !153}           ; [ DW_TAG_lexical_block ] [/test1.cpp]
>> +!162 = !{!"0x10\00\000\000\000\000\000", null, null, !"_ZTS1G"} ; [ DW_TAG_reference_type ] [line 0, size 0, align 0, offset 0] [from _ZTS1G]
>> +!163 = !{!"0x100\00__begin\000\0064", !161, null, !"_ZTS1F"} ; [ DW_TAG_auto_variable ] [__begin] [line 0]
>> +!164 = !{!"0x100\00__end\000\0064", !161, null, !"_ZTS1F"} ; [ DW_TAG_auto_variable ] [__end] [line 0]
>> +!165 = !{!"0x100\00c\0055\000", !166, !148, !22}  ; [ DW_TAG_auto_variable ] [c] [line 55]
>> +!166 = !{!"0xb\0055\003\001", !5, !161}           ; [ DW_TAG_lexical_block ] [/test1.cpp]
>> +!167 = !{!"0x100\00d\0056\000", !168, !148, !"_ZTS1DIPiE"} ; [ DW_TAG_auto_variable ] [d] [line 56]
>> +!168 = !{!"0xb\0055\0019\002", !5, !166}          ; [ DW_TAG_lexical_block ] [/test1.cpp]
>> +!169 = !{!"0x100\00__range\000\0064", !170, null, !171} ; [ DW_TAG_auto_variable ] [__range] [line 0]
>> +!170 = !{!"0xb\0057\005\003", !5, !168}           ; [ DW_TAG_lexical_block ] [/test1.cpp]
>> +!171 = !{!"0x10\00\000\000\000\000\000", null, null, !"_ZTS1DIS_IPiEE"} ; [ DW_TAG_reference_type ] [line 0, size 0, align 0, offset 0] [from _ZTS1DIS_IPiEE]
>> +!172 = !{!"0x100\00__begin\000\0064", !170, null, !"_ZTS1BI1DIPiEE"} ; [ DW_TAG_auto_variable ] [__begin] [line 0]
>> +!173 = !{!"0x100\00__end\000\0064", !170, null, !"_ZTS1BI1DIPiEE"} ; [ DW_TAG_auto_variable ] [__end] [line 0]
>> +!174 = !{!"0x100\00e\0057\000", !175, !148, !"_ZTS1DIPiE"} ; [ DW_TAG_auto_variable ] [e] [line 57]
>> +!175 = !{!"0xb\0057\005\004", !5, !170}           ; [ DW_TAG_lexical_block ] [/test1.cpp]
>> +!176 = !{!"0x100\00f\0058\000", !177, !148, !"_ZTS1DIiE"} ; [ DW_TAG_auto_variable ] [f] [line 58]
>> +!177 = !{!"0xb\0057\0026\005", !5, !175}          ; [ DW_TAG_lexical_block ] [/test1.cpp]
>> +!178 = !{!"0x100\00g\0059\000", !177, !148, !"_ZTS1AI1DIPiEE"} ; [ DW_TAG_auto_variable ] [g] [line 59]
>> +!179 = !{!"0x2e\00D\00D\00_ZN1DIS_IPiEEC1Ev\0027\000\001\000\000\00256\001\0027", !5, !"_ZTS1DIS_IPiEE", !73, null, null, null, !72, !180} ; [ DW_TAG_subprogram ] [line 27] [def] [D]
>> +!180 = !{!181}
>> +!181 = !{!"0x101\00this\0016777216\001088", !179, null, !182} ; [ DW_TAG_arg_variable ] [this] [line 0]
>> +!182 = !{!"0xf\00\000\0064\0064\000\000", null, null, !"_ZTS1DIS_IPiEE"} ; [ DW_TAG_pointer_type ] [line 0, size 64, align 64, offset 0] [from _ZTS1DIS_IPiEE]
>> +!183 = !{!"0x2e\00D\00D\00_ZN1DIS_IPiEEC2Ev\0027\000\001\000\000\00256\001\0027", !5, !"_ZTS1DIS_IPiEE", !73, null, null, null, !72, !184} ; [ DW_TAG_subprogram ] [line 27] [def] [D]
>> +!184 = !{!185}
>> +!185 = !{!"0x101\00this\0016777216\001088", !183, null, !182} ; [ DW_TAG_arg_variable ] [this] [line 0]
>> +!186 = !{!"0x2e\00D\00D\00_ZN1DIPiEC1Ev\0027\000\001\000\000\00256\001\0027", !5, !"_ZTS1DIPiE", !10, null, null, null, !9, !187} ; [ DW_TAG_subprogram ] [line 27] [def] [D]
>> +!187 = !{!188}
>> +!188 = !{!"0x101\00this\0016777216\001088", !186, null, !137} ; [ DW_TAG_arg_variable ] [this] [line 0]
>> +!189 = !{!"0x2e\00D\00D\00_ZN1DIPiEC2Ev\0027\000\001\000\000\00256\001\0027", !5, !"_ZTS1DIPiE", !10, null, null, null, !9, !190} ; [ DW_TAG_subprogram ] [line 27] [def] [D]
>> +!190 = !{!191}
>> +!191 = !{!"0x101\00this\0016777216\001088", !189, null, !137} ; [ DW_TAG_arg_variable ] [this] [line 0]
>> +!192 = !{!"0x2e\00begin\00begin\00_ZN1DIS_IPiEE5beginEv\0028\000\001\000\000\00256\001\0028", !5, !"_ZTS1DIS_IPiEE", !77, null, null, null, !76, !193} ; [ DW_TAG_subprogram ] [line 28] [def] [begin]
>> +!193 = !{!194}
>> +!194 = !{!"0x101\00this\0016777216\001088", !192, null, !182} ; [ DW_TAG_arg_variable ] [this] [line 0]
>> +!195 = !{!"0x2e\00D\00D\00_ZN1DIiEC1Ev\0027\000\001\000\000\00256\001\0027", !5, !"_ZTS1DIiE", !106, null, null, null, !105, !196} ; [ DW_TAG_subprogram ] [line 27] [def] [D]
>> +!196 = !{!197}
>> +!197 = !{!"0x101\00this\0016777216\001088", !195, null, !198} ; [ DW_TAG_arg_variable ] [this] [line 0]
>> +!198 = !{!"0xf\00\000\0064\0064\000\000", null, null, !"_ZTS1DIiE"} ; [ DW_TAG_pointer_type ] [line 0, size 64, align 64, offset 0] [from _ZTS1DIiE]
>> +!199 = !{!"0x2e\00D\00D\00_ZN1DIiEC2Ev\0027\000\001\000\000\00256\001\0027", !5, !"_ZTS1DIiE", !106, null, null, null, !105, !200} ; [ DW_TAG_subprogram ] [line 27] [def] [D]
>> +!200 = !{!201}
>> +!201 = !{!"0x101\00this\0016777216\001088", !199, null, !198} ; [ DW_TAG_arg_variable ] [this] [line 0]
>> +!202 = !{!"0x2e\00begin\00begin\00_ZN1DIPiE5beginEv\0028\000\001\000\000\00256\001\0028", !5, !"_ZTS1DIPiE", !14, null, null, null, !13, !203} ; [ DW_TAG_subprogram ] [line 28] [def] [begin]
>> +!203 = !{!204}
>> +!204 = !{!"0x101\00this\0016777216\001088", !202, null, !137} ; [ DW_TAG_arg_variable ] [this] [line 0]
>> +!205 = !{!"0x2e\00A\00A\00_ZN1AI1DIPiEEC1ERS2_1BIS1_E\005\000\001\000\000\00256\001\005", !5, !"_ZTS1AI1DIPiEE", !140, null, null, null, !139, !206} ; [ DW_TAG_subprogram ] [line 5] [def] [A]
>> +!206 = !{!207, !209, !210}
>> +!207 = !{!"0x101\00this\0016777216\001088", !205, null, !208} ; [ DW_TAG_arg_variable ] [this] [line 0]
>> +!208 = !{!"0xf\00\000\0064\0064\000\000", null, null, !"_ZTS1AI1DIPiEE"} ; [ DW_TAG_pointer_type ] [line 0, size 64, align 64, offset 0] [from _ZTS1AI1DIPiEE]
>> +!209 = !{!"0x101\00p1\0033554437\000", !205, !148, !143} ; [ DW_TAG_arg_variable ] [p1] [line 5]
>> +!210 = !{!"0x101\00\0050331653\000", !205, !148, !16} ; [ DW_TAG_arg_variable ] [line 5]
>> +!211 = !{!"0x2e\00A\00A\00_ZN1AI1DIPiEEC2ERS2_1BIS1_E\005\000\001\000\000\00256\001\005", !5, !"_ZTS1AI1DIPiEE", !140, null, null, null, !139, !212} ; [ DW_TAG_subprogram ] [line 5] [def] [A]
>> +!212 = !{!213, !214, !215}
>> +!213 = !{!"0x101\00this\0016777216\001088", !211, null, !208} ; [ DW_TAG_arg_variable ] [this] [line 0]
>> +!214 = !{!"0x101\00p1\0033554437\000", !211, !148, !143} ; [ DW_TAG_arg_variable ] [p1] [line 5]
>> +!215 = !{!"0x101\00\0050331653\000", !211, !148, !16} ; [ DW_TAG_arg_variable ] [line 5]
>> +!216 = !{!"0x2e\00begin\00begin\00_ZN1DIiE5beginEv\0028\000\001\000\000\00256\001\0028", !5, !"_ZTS1DIiE", !110, null, null, null, !109, !217} ; [ DW_TAG_subprogram ] [line 28] [def] [begin]
>> +!217 = !{!218}
>> +!218 = !{!"0x101\00this\0016777216\001088", !216, null, !198} ; [ DW_TAG_arg_variable ] [this] [line 0]
>> +!219 = !{!"0x2e\00set_intersection<B<int>, B<int *>, A<D<int *> > >\00set_intersection<B<int>, B<int *>, A<D<int *> > >\00_Z16set_intersectionI1BIiES0_IPiE1AI1DIS2_EEEvT_S8_T0_S9_T1_\0048\000\001\000\000\00256\001\0049", !5, !148, !220, null, null, !222, null, !226} ; [ DW_TAG_subprogram ] [line 48] [def] [scope 49] [set_intersection<B<int>, B<int *>, A<D<int *> > >]
>> +!220 = !{!"0x15\00\000\000\000\000\000\000", null, null, null, !221, null, null, null} ; [ DW_TAG_subroutine_type ] [line 0, size 0, align 0, offset 0] [from ]
>> +!221 = !{null, !"_ZTS1BIiE", !"_ZTS1BIiE", !"_ZTS1BIPiE", !"_ZTS1BIPiE", !"_ZTS1AI1DIPiEE"}
>> +!222 = !{!223, !224, !225}
>> +!223 = !{!"0x2f\00_InputIterator1\000\000", null, !"_ZTS1BIiE", null} ; [ DW_TAG_template_type_parameter ]
>> +!224 = !{!"0x2f\00_InputIterator2\000\000", null, !"_ZTS1BIPiE", null} ; [ DW_TAG_template_type_parameter ]
>> +!225 = !{!"0x2f\00_OutputIterator\000\000", null, !"_ZTS1AI1DIPiEE", null} ; [ DW_TAG_template_type_parameter ]
>> +!226 = !{!227, !228, !229, !230, !231}
>> +!227 = !{!"0x101\00\0016777264\000", !219, !148, !"_ZTS1BIiE"} ; [ DW_TAG_arg_variable ] [line 48]
>> +!228 = !{!"0x101\00p2\0033554480\000", !219, !148, !"_ZTS1BIiE"} ; [ DW_TAG_arg_variable ] [p2] [line 48]
>> +!229 = !{!"0x101\00\0050331696\000", !219, !148, !"_ZTS1BIPiE"} ; [ DW_TAG_arg_variable ] [line 48]
>> +!230 = !{!"0x101\00p4\0067108913\000", !219, !148, !"_ZTS1BIPiE"} ; [ DW_TAG_arg_variable ] [p4] [line 49]
>> +!231 = !{!"0x101\00p5\0083886129\000", !219, !148, !"_ZTS1AI1DIPiEE"} ; [ DW_TAG_arg_variable ] [p5] [line 49]
>> +!232 = !{i32 2, !"Dwarf Version", i32 2}
>> +!233 = !{i32 2, !"Debug Info Version", i32 2}
>> +!234 = !{i32 1, !"PIC Level", i32 2}
>> +!235 = !{!"clang version 3.7.0 (trunk 226915) (llvm/trunk 226905)"}
>> +!236 = !MDLocation(line: 55, column: 14, scope: !161)
>> +!237 = !MDLocation(line: 27, column: 9, scope: !189, inlinedAt: !238)
>> +!238 = distinct !MDLocation(line: 27, column: 24, scope: !186, inlinedAt: !239)
>> +!239 = distinct !MDLocation(line: 56, column: 14, scope: !168)
>> +!240 = !MDLocation(line: 27, column: 9, scope: !199, inlinedAt: !241)
>> +!241 = distinct !MDLocation(line: 27, column: 24, scope: !195, inlinedAt: !242)
>> +!242 = distinct !MDLocation(line: 58, column: 14, scope: !177)
>> +!243 = !MDLocation(line: 57, column: 21, scope: !170)
>> +!244 = !MDLocation(line: 60, column: 55, scope: !177)
>> +!245 = !{!"0x101\00p5\0083886129\000", !219, !148, !"_ZTS1AI1DIPiEE", !246} ; [ DW_TAG_arg_variable ] [p5] [line 49]
>> +!246 = distinct !MDLocation(line: 60, column: 7, scope: !177)
>> +!247 = !{!"0x102\00147\000\008"}                  ; [ DW_TAG_expression ] [DW_OP_piece offset=0, size=8]
>> +!248 = !MDLocation(line: 49, column: 59, scope: !219, inlinedAt: !246)
>> +!249 = !MDLocation(line: 50, column: 3, scope: !219, inlinedAt: !246)
>> +!250 = !MDLocation(line: 63, column: 1, scope: !153)
>> 
>> 
>> _______________________________________________
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>> llvm-commits at cs.uiuc.edu <mailto:llvm-commits at cs.uiuc.edu>
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>> 
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