From f9af5bdd63a1dd587119de45d73e198e8b203974 Mon Sep 17 00:00:00 2001 From: Adrian Prantl Date: Sat, 18 Jan 2014 02:12:00 +0000 Subject: [PATCH] Debug info (LTO): Move the creation of accessibility flags to getOrCreateSubprogramDIE to avoid attributes being added twice when DIEs are merged. rdar://problem/15842330. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@199536 91177308-0d34-0410-b5e6-96231b3b80d8 --- lib/CodeGen/AsmPrinter/DwarfUnit.cpp | 31 +++---- test/Linker/type-unique-simple2-a.ll | 129 +++++++++++++++++++++++++++ test/Linker/type-unique-simple2-b.ll | 88 ++++++++++++++++++ 3 files changed, 233 insertions(+), 15 deletions(-) create mode 100644 test/Linker/type-unique-simple2-a.ll create mode 100644 test/Linker/type-unique-simple2-b.ll diff --git a/lib/CodeGen/AsmPrinter/DwarfUnit.cpp b/lib/CodeGen/AsmPrinter/DwarfUnit.cpp index 7cf66954e48..bb2ca6edb07 100644 --- a/lib/CodeGen/AsmPrinter/DwarfUnit.cpp +++ b/lib/CodeGen/AsmPrinter/DwarfUnit.cpp @@ -1191,21 +1191,9 @@ void DwarfUnit::constructTypeDIE(DIE &Buffer, DICompositeType CTy) { for (unsigned i = 0, N = Elements.getNumElements(); i < N; ++i) { DIDescriptor Element = Elements.getElement(i); DIE *ElemDie = NULL; - if (Element.isSubprogram()) { - DISubprogram SP(Element); - ElemDie = getOrCreateSubprogramDIE(SP); - if (SP.isProtected()) - addUInt(ElemDie, dwarf::DW_AT_accessibility, dwarf::DW_FORM_data1, - dwarf::DW_ACCESS_protected); - else if (SP.isPrivate()) - addUInt(ElemDie, dwarf::DW_AT_accessibility, dwarf::DW_FORM_data1, - dwarf::DW_ACCESS_private); - else - addUInt(ElemDie, dwarf::DW_AT_accessibility, dwarf::DW_FORM_data1, - dwarf::DW_ACCESS_public); - if (SP.isExplicit()) - addFlag(ElemDie, dwarf::DW_AT_explicit); - } else if (Element.isDerivedType()) { + if (Element.isSubprogram()) + ElemDie = getOrCreateSubprogramDIE(DISubprogram(Element)); + else if (Element.isDerivedType()) { DIDerivedType DDTy(Element); if (DDTy.getTag() == dwarf::DW_TAG_friend) { ElemDie = createAndAddDIE(dwarf::DW_TAG_friend, Buffer); @@ -1490,6 +1478,19 @@ DIE *DwarfUnit::getOrCreateSubprogramDIE(DISubprogram SP) { if (SP.isRValueReference()) addFlag(SPDie, dwarf::DW_AT_rvalue_reference); + if (SP.isProtected()) + addUInt(SPDie, dwarf::DW_AT_accessibility, dwarf::DW_FORM_data1, + dwarf::DW_ACCESS_protected); + else if (SP.isPrivate()) + addUInt(SPDie, dwarf::DW_AT_accessibility, dwarf::DW_FORM_data1, + dwarf::DW_ACCESS_private); + else + addUInt(SPDie, dwarf::DW_AT_accessibility, dwarf::DW_FORM_data1, + dwarf::DW_ACCESS_public); + + if (SP.isExplicit()) + addFlag(SPDie, dwarf::DW_AT_explicit); + return SPDie; } diff --git a/test/Linker/type-unique-simple2-a.ll b/test/Linker/type-unique-simple2-a.ll new file mode 100644 index 00000000000..bb18292b43c --- /dev/null +++ b/test/Linker/type-unique-simple2-a.ll @@ -0,0 +1,129 @@ +; REQUIRES: object-emission +; +; RUN: llvm-link %s %p/type-unique-simple2-b.ll -S -o - | llc -filetype=obj -O0 | llvm-dwarfdump -debug-dump=info - | FileCheck %s +; +; Tests for a merge error where attributes are inserted twice into the same DIE. +; +; $ cat ab.h +; typedef int foo_t; +; class A { +; public: +; virtual void setFoo(); +; virtual const foo_t getFoo(); +; }; +; +; $ cat a.cpp +; #include "ab.h" +; foo_t bar() { +; return A().getFoo(); +; } +; +; CHECK: _ZN1A6setFooEv +; CHECK: DW_AT_accessibility [DW_FORM_data1] (0x01) +; CHECK-NOT: DW_AT_accessibility +; CHECK: DW_TAG + +; ModuleID = 'a.cpp' + +%class.A = type { i32 (...)** } + +@_ZTV1A = external unnamed_addr constant [4 x i8*] + +; Function Attrs: nounwind +define i32 @_Z3barv() #0 { +entry: + %tmp = alloca %class.A, align 8 + %0 = bitcast %class.A* %tmp to i8*, !dbg !38 + call void @llvm.memset.p0i8.i64(i8* %0, i8 0, i64 8, i32 8, i1 false), !dbg !38 + call void @_ZN1AC1Ev(%class.A* %tmp) #1, !dbg !38 + %call = call i32 @_ZN1A6getFooEv(%class.A* %tmp), !dbg !38 + ret i32 %call, !dbg !38 +} + +; Function Attrs: nounwind +declare void @llvm.memset.p0i8.i64(i8* nocapture, i8, i64, i32, i1) #1 + +; Function Attrs: inlinehint nounwind +define linkonce_odr void @_ZN1AC1Ev(%class.A* %this) unnamed_addr #2 align 2 { +entry: + %this.addr = alloca %class.A*, align 8 + store %class.A* %this, %class.A** %this.addr, align 8 + call void @llvm.dbg.declare(metadata !{%class.A** %this.addr}, metadata !39), !dbg !41 + %this1 = load %class.A** %this.addr + call void @_ZN1AC2Ev(%class.A* %this1) #1, !dbg !42 + ret void, !dbg !42 +} + +declare i32 @_ZN1A6getFooEv(%class.A*) + +; Function Attrs: nounwind readnone +declare void @llvm.dbg.declare(metadata, metadata) #4 + +; Function Attrs: inlinehint nounwind +define linkonce_odr void @_ZN1AC2Ev(%class.A* %this) unnamed_addr #2 align 2 { +entry: + %this.addr = alloca %class.A*, align 8 + store %class.A* %this, %class.A** %this.addr, align 8 + call void @llvm.dbg.declare(metadata !{%class.A** %this.addr}, metadata !44), !dbg !45 + %this1 = load %class.A** %this.addr + %0 = bitcast %class.A* %this1 to i8***, !dbg !46 + store i8** getelementptr inbounds ([4 x i8*]* @_ZTV1A, i64 0, i64 2), i8*** %0, !dbg !46 + ret void, !dbg !46 +} + +attributes #0 = { nounwind } +attributes #1 = { nounwind } +attributes #2 = { inlinehint nounwind } +attributes #4 = { nounwind readnone } + +!llvm.dbg.cu = !{!0} +!llvm.module.flags = !{!35, !36} +!llvm.ident = !{!37} + +!0 = metadata !{i32 786449, metadata !1, i32 4, metadata !"clang version 3.5 ", i1 false, metadata !"", i32 0, metadata !2, metadata !3, metadata !26, metadata !2, metadata !2, metadata !""} ; [ DW_TAG_compile_unit ] [/] [DW_LANG_C_plus_plus] +!1 = metadata !{metadata !"", metadata !""} +!2 = metadata !{i32 0} +!3 = metadata !{metadata !4} +!4 = metadata !{i32 786434, metadata !5, null, metadata !"A", i32 2, i64 64, i64 64, i32 0, i32 0, null, metadata !6, i32 0, metadata !"_ZTS1A", null, metadata !"_ZTS1A"} ; [ DW_TAG_class_type ] [A] [line 2, size 64, align 64, offset 0] [def] [from ] +!5 = metadata !{metadata !"./ab.h", metadata !""} +!6 = metadata !{metadata !7, metadata !14, metadata !19} +!7 = metadata !{i32 786445, metadata !5, metadata !8, metadata !"_vptr$A", i32 0, i64 64, i64 0, i64 0, i32 64, metadata !9} ; [ DW_TAG_member ] [_vptr$A] [line 0, size 64, align 0, offset 0] [artificial] [from ] +!8 = metadata !{i32 786473, metadata !5} ; [ DW_TAG_file_type ] [/./ab.h] +!9 = metadata !{i32 786447, null, null, metadata !"", i32 0, i64 64, i64 0, i64 0, i32 0, metadata !10} ; [ DW_TAG_pointer_type ] [line 0, size 64, align 0, offset 0] [from __vtbl_ptr_type] +!10 = metadata !{i32 786447, null, null, metadata !"__vtbl_ptr_type", i32 0, i64 64, i64 0, i64 0, i32 0, metadata !11} ; [ DW_TAG_pointer_type ] [__vtbl_ptr_type] [line 0, size 64, align 0, offset 0] [from ] +!11 = metadata !{i32 786453, i32 0, null, metadata !"", i32 0, i64 0, i64 0, i64 0, i32 0, null, metadata !12, i32 0, null, null, null} ; [ DW_TAG_subroutine_type ] [line 0, size 0, align 0, offset 0] [from ] +!12 = metadata !{metadata !13} +!13 = 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] +!14 = metadata !{i32 786478, metadata !5, metadata !"_ZTS1A", metadata !"setFoo", metadata !"setFoo", metadata !"_ZN1A6setFooEv", i32 4, metadata !15, i1 false, i1 false, i32 1, i32 0, metadata !"_ZTS1A", i32 256, i1 false, null, null, i32 0, metadata !18, i32 4} ; [ DW_TAG_subprogram ] [line 4] [setFoo] +!15 = metadata !{i32 786453, i32 0, null, metadata !"", i32 0, i64 0, i64 0, i64 0, i32 0, null, metadata !16, i32 0, null, null, null} ; [ DW_TAG_subroutine_type ] [line 0, size 0, align 0, offset 0] [from ] +!16 = metadata !{null, metadata !17} +!17 = metadata !{i32 786447, null, null, metadata !"", i32 0, i64 64, i64 64, i64 0, i32 1088, metadata !"_ZTS1A"} ; [ DW_TAG_pointer_type ] [line 0, size 64, align 64, offset 0] [artificial] [from _ZTS1A] +!18 = metadata !{i32 786468} +!19 = metadata !{i32 786478, metadata !5, metadata !"_ZTS1A", metadata !"getFoo", metadata !"getFoo", metadata !"_ZN1A6getFooEv", i32 5, metadata !20, i1 false, i1 false, i32 1, i32 1, metadata !"_ZTS1A", i32 256, i1 false, null, null, i32 0, metadata !25, i32 5} ; [ DW_TAG_subprogram ] [line 5] [getFoo] +!20 = metadata !{i32 786453, i32 0, null, metadata !"", i32 0, i64 0, i64 0, i64 0, i32 0, null, metadata !21, i32 0, null, null, null} ; [ DW_TAG_subroutine_type ] [line 0, size 0, align 0, offset 0] [from ] +!21 = metadata !{metadata !22, metadata !17} +!22 = metadata !{i32 786470, null, null, metadata !"", i32 0, i64 0, i64 0, i64 0, i32 0, metadata !23} ; [ DW_TAG_const_type ] [line 0, size 0, align 0, offset 0] [from foo_t] +!23 = metadata !{i32 786454, metadata !24, null, metadata !"foo_t", i32 1, i64 0, i64 0, i64 0, i32 0, metadata !13} ; [ DW_TAG_typedef ] [foo_t] [line 1, size 0, align 0, offset 0] [from int] +!24 = metadata !{metadata !"a.cpp", metadata !""} +!25 = metadata !{i32 786468} +!26 = metadata !{metadata !27, metadata !31, metadata !34} +!27 = metadata !{i32 786478, metadata !24, metadata !28, metadata !"bar", metadata !"bar", metadata !"_Z3barv", i32 2, metadata !29, i1 false, i1 true, i32 0, i32 0, null, i32 256, i1 false, i32 ()* @_Z3barv, null, null, metadata !2, i32 2} ; [ DW_TAG_subprogram ] [line 2] [def] [bar] +!28 = metadata !{i32 786473, metadata !24} ; [ DW_TAG_file_type ] [/a.cpp] +!29 = metadata !{i32 786453, i32 0, null, metadata !"", i32 0, i64 0, i64 0, i64 0, i32 0, null, metadata !30, i32 0, null, null, null} ; [ DW_TAG_subroutine_type ] [line 0, size 0, align 0, offset 0] [from ] +!30 = metadata !{metadata !23} +!31 = metadata !{i32 786478, metadata !5, metadata !"_ZTS1A", metadata !"A", metadata !"A", metadata !"_ZN1AC1Ev", i32 2, metadata !15, i1 false, i1 true, i32 0, i32 0, null, i32 320, i1 false, void (%class.A*)* @_ZN1AC1Ev, null, metadata !32, metadata !2, i32 2} ; [ DW_TAG_subprogram ] [line 2] [def] [A] +!32 = metadata !{i32 786478, null, metadata !"_ZTS1A", metadata !"A", metadata !"A", metadata !"", i32 0, metadata !15, i1 false, i1 false, i32 0, i32 0, null, i32 320, i1 false, null, null, i32 0, metadata !33, i32 0} ; [ DW_TAG_subprogram ] [line 0] [A] +!33 = metadata !{i32 786468} +!34 = metadata !{i32 786478, metadata !5, metadata !"_ZTS1A", metadata !"A", metadata !"A", metadata !"_ZN1AC2Ev", i32 2, metadata !15, i1 false, i1 true, i32 0, i32 0, null, i32 320, i1 false, void (%class.A*)* @_ZN1AC2Ev, null, metadata !32, metadata !2, i32 2} ; [ DW_TAG_subprogram ] [line 2] [def] [A] +!35 = metadata !{i32 2, metadata !"Dwarf Version", i32 2} +!36 = metadata !{i32 1, metadata !"Debug Info Version", i32 1} +!37 = metadata !{metadata !"clang version 3.5 "} +!38 = metadata !{i32 3, i32 0, metadata !27, null} +!39 = metadata !{i32 786689, metadata !31, metadata !"this", null, i32 16777216, metadata !40, i32 1088, i32 0} ; [ DW_TAG_arg_variable ] [this] [line 0] +!40 = metadata !{i32 786447, null, null, metadata !"", i32 0, i64 64, i64 64, i64 0, i32 0, metadata !"_ZTS1A"} ; [ DW_TAG_pointer_type ] [line 0, size 64, align 64, offset 0] [from _ZTS1A] +!41 = metadata !{i32 0, i32 0, metadata !31, null} +!42 = metadata !{i32 2, i32 0, metadata !43, null} +!43 = metadata !{i32 786443, metadata !5, metadata !31} ; [ DW_TAG_lexical_block ] [/./ab.h] +!44 = metadata !{i32 786689, metadata !34, metadata !"this", null, i32 16777216, metadata !40, i32 1088, i32 0} ; [ DW_TAG_arg_variable ] [this] [line 0] +!45 = metadata !{i32 0, i32 0, metadata !34, null} +!46 = metadata !{i32 2, i32 0, metadata !34, null} diff --git a/test/Linker/type-unique-simple2-b.ll b/test/Linker/type-unique-simple2-b.ll new file mode 100644 index 00000000000..cd77dfc7961 --- /dev/null +++ b/test/Linker/type-unique-simple2-b.ll @@ -0,0 +1,88 @@ +; RUN: true +; This file belongs to type-unique-simple2-a.ll. +; +; $ cat b.cpp +; #include "ab.h" +; void A::setFoo() {} +; const +; foo_t A::getFoo() { return 1; } +; ModuleID = 'b.cpp' +; target datalayout = "e-m:o-i64:64-f80:128-n8:16:32:64-S128" +; target triple = "x86_64-apple-macosx10.9.0" + +%class.A = type { i32 (...)** } + +@_ZTV1A = unnamed_addr constant [4 x i8*] [i8* null, i8* bitcast ({ i8*, i8* }* @_ZTI1A to i8*), i8* bitcast (void (%class.A*)* @_ZN1A6setFooEv to i8*), i8* bitcast (i32 (%class.A*)* @_ZN1A6getFooEv to i8*)] +@_ZTVN10__cxxabiv117__class_type_infoE = external global i8* +@_ZTS1A = constant [3 x i8] c"1A\00" +@_ZTI1A = unnamed_addr constant { i8*, i8* } { i8* bitcast (i8** getelementptr inbounds (i8** @_ZTVN10__cxxabiv117__class_type_infoE, i64 2) to i8*), i8* getelementptr inbounds ([3 x i8]* @_ZTS1A, i32 0, i32 0) } + +; Function Attrs: nounwind +define void @_ZN1A6setFooEv(%class.A* %this) unnamed_addr #0 align 2 { +entry: + %this.addr = alloca %class.A*, align 8 + store %class.A* %this, %class.A** %this.addr, align 8 + call void @llvm.dbg.declare(metadata !{%class.A** %this.addr}, metadata !32), !dbg !34 + %this1 = load %class.A** %this.addr + ret void, !dbg !35 +} + +; Function Attrs: nounwind readnone +declare void @llvm.dbg.declare(metadata, metadata) #1 + +; Function Attrs: nounwind +define i32 @_ZN1A6getFooEv(%class.A* %this) unnamed_addr #0 align 2 { +entry: + %this.addr = alloca %class.A*, align 8 + store %class.A* %this, %class.A** %this.addr, align 8 + call void @llvm.dbg.declare(metadata !{%class.A** %this.addr}, metadata !36), !dbg !37 + %this1 = load %class.A** %this.addr + ret i32 1, !dbg !38 +} + +attributes #0 = { nounwind } +attributes #1 = { nounwind readnone } + +!llvm.dbg.cu = !{!0} +!llvm.module.flags = !{!29, !30} +!llvm.ident = !{!31} + +!0 = metadata !{i32 786449, metadata !1, i32 4, metadata !"clang version 3.5 ", i1 false, metadata !"", i32 0, metadata !2, metadata !3, metadata !25, metadata !2, metadata !2, metadata !""} ; [ DW_TAG_compile_unit ] [/] [DW_LANG_C_plus_plus] +!1 = metadata !{metadata !"", metadata !""} +!2 = metadata !{i32 0} +!3 = metadata !{metadata !4} +!4 = metadata !{i32 786434, metadata !5, null, metadata !"A", i32 2, i64 64, i64 64, i32 0, i32 0, null, metadata !6, i32 0, metadata !"_ZTS1A", null, metadata !"_ZTS1A"} ; [ DW_TAG_class_type ] [A] [line 2, size 64, align 64, offset 0] [def] [from ] +!5 = metadata !{metadata !"./ab.h", metadata !""} +!6 = metadata !{metadata !7, metadata !14, metadata !19} +!7 = metadata !{i32 786445, metadata !5, metadata !8, metadata !"_vptr$A", i32 0, i64 64, i64 0, i64 0, i32 64, metadata !9} ; [ DW_TAG_member ] [_vptr$A] [line 0, size 64, align 0, offset 0] [artificial] [from ] +!8 = metadata !{i32 786473, metadata !5} ; [ DW_TAG_file_type ] [/./ab.h] +!9 = metadata !{i32 786447, null, null, metadata !"", i32 0, i64 64, i64 0, i64 0, i32 0, metadata !10} ; [ DW_TAG_pointer_type ] [line 0, size 64, align 0, offset 0] [from __vtbl_ptr_type] +!10 = metadata !{i32 786447, null, null, metadata !"__vtbl_ptr_type", i32 0, i64 64, i64 0, i64 0, i32 0, metadata !11} ; [ DW_TAG_pointer_type ] [__vtbl_ptr_type] [line 0, size 64, align 0, offset 0] [from ] +!11 = metadata !{i32 786453, i32 0, null, metadata !"", i32 0, i64 0, i64 0, i64 0, i32 0, null, metadata !12, i32 0, null, null, null} ; [ DW_TAG_subroutine_type ] [line 0, size 0, align 0, offset 0] [from ] +!12 = metadata !{metadata !13} +!13 = 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] +!14 = metadata !{i32 786478, metadata !5, metadata !"_ZTS1A", metadata !"setFoo", metadata !"setFoo", metadata !"_ZN1A6setFooEv", i32 4, metadata !15, i1 false, i1 false, i32 1, i32 0, metadata !"_ZTS1A", i32 256, i1 false, null, null, i32 0, metadata !18, i32 4} ; [ DW_TAG_subprogram ] [line 4] [setFoo] +!15 = metadata !{i32 786453, i32 0, null, metadata !"", i32 0, i64 0, i64 0, i64 0, i32 0, null, metadata !16, i32 0, null, null, null} ; [ DW_TAG_subroutine_type ] [line 0, size 0, align 0, offset 0] [from ] +!16 = metadata !{null, metadata !17} +!17 = metadata !{i32 786447, null, null, metadata !"", i32 0, i64 64, i64 64, i64 0, i32 1088, metadata !"_ZTS1A"} ; [ DW_TAG_pointer_type ] [line 0, size 64, align 64, offset 0] [artificial] [from _ZTS1A] +!18 = metadata !{i32 786468} +!19 = metadata !{i32 786478, metadata !5, metadata !"_ZTS1A", metadata !"getFoo", metadata !"getFoo", metadata !"_ZN1A6getFooEv", i32 5, metadata !20, i1 false, i1 false, i32 1, i32 1, metadata !"_ZTS1A", i32 256, i1 false, null, null, i32 0, metadata !24, i32 5} ; [ DW_TAG_subprogram ] [line 5] [getFoo] +!20 = metadata !{i32 786453, i32 0, null, metadata !"", i32 0, i64 0, i64 0, i64 0, i32 0, null, metadata !21, i32 0, null, null, null} ; [ DW_TAG_subroutine_type ] [line 0, size 0, align 0, offset 0] [from ] +!21 = metadata !{metadata !22, metadata !17} +!22 = metadata !{i32 786470, null, null, metadata !"", i32 0, i64 0, i64 0, i64 0, i32 0, metadata !23} ; [ DW_TAG_const_type ] [line 0, size 0, align 0, offset 0] [from foo_t] +!23 = metadata !{i32 786454, metadata !5, null, metadata !"foo_t", i32 1, i64 0, i64 0, i64 0, i32 0, metadata !13} ; [ DW_TAG_typedef ] [foo_t] [line 1, size 0, align 0, offset 0] [from int] +!24 = metadata !{i32 786468} +!25 = metadata !{metadata !26, metadata !28} +!26 = metadata !{i32 786478, metadata !27, metadata !"_ZTS1A", metadata !"setFoo", metadata !"setFoo", metadata !"_ZN1A6setFooEv", i32 2, metadata !15, i1 false, i1 true, i32 0, i32 0, null, i32 256, i1 false, void (%class.A*)* @_ZN1A6setFooEv, null, metadata !14, metadata !2, i32 2} ; [ DW_TAG_subprogram ] [line 2] [def] [setFoo] +!27 = metadata !{metadata !"b.cpp", metadata !""} +!28 = metadata !{i32 786478, metadata !27, metadata !"_ZTS1A", metadata !"getFoo", metadata !"getFoo", metadata !"_ZN1A6getFooEv", i32 4, metadata !20, i1 false, i1 true, i32 0, i32 0, null, i32 256, i1 false, i32 (%class.A*)* @_ZN1A6getFooEv, null, metadata !19, metadata !2, i32 4} ; [ DW_TAG_subprogram ] [line 4] [def] [getFoo] +!29 = metadata !{i32 2, metadata !"Dwarf Version", i32 2} +!30 = metadata !{i32 1, metadata !"Debug Info Version", i32 1} +!31 = metadata !{metadata !"clang version 3.5 "} +!32 = metadata !{i32 786689, metadata !26, metadata !"this", null, i32 16777216, metadata !33, i32 1088, i32 0} ; [ DW_TAG_arg_variable ] [this] [line 0] +!33 = metadata !{i32 786447, null, null, metadata !"", i32 0, i64 64, i64 64, i64 0, i32 0, metadata !"_ZTS1A"} ; [ DW_TAG_pointer_type ] [line 0, size 64, align 64, offset 0] [from _ZTS1A] +!34 = metadata !{i32 0, i32 0, metadata !26, null} +!35 = metadata !{i32 2, i32 0, metadata !26, null} +!36 = metadata !{i32 786689, metadata !28, metadata !"this", null, i32 16777216, metadata !33, i32 1088, i32 0} ; [ DW_TAG_arg_variable ] [this] [line 0] +!37 = metadata !{i32 0, i32 0, metadata !28, null} +!38 = metadata !{i32 4, i32 0, metadata !28, null}