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llvm-mirror/test/DebugInfo/X86/sret.ll
David Blaikie 8ad792d2de Move Split DWARF handling to an MC option/command line argument rather than using metadata 
Since Split DWARF needs to name the actual .dwo file that is generated,
it can't be known at the time the llvm::Module is produced as it may be
merged with other Modules before the object is generated and that object
may be generated with any name.

By passing the Split DWARF file name when LLVM is producing object code
the .dwo file name in the object file can match correctly.

The support for Split DWARF for implicit modules remains the same -
using metadata to store the dwo name and dwo id so that potentially
multiple skeleton CUs referring to different dwo files can be generated
from one llvm::Module.

llvm-svn: 301062
2017-04-21 23:35:26 +00:00

405 lines
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; RUN: llc -split-dwarf-file=foo.dwo -O0 %s -mtriple=x86_64-unknown-linux-gnu -filetype=obj -o %t
; RUN: llvm-dwarfdump -debug-dump=all %t | FileCheck %s --check-prefix=CHECK-DWO
; Based on the debuginfo-tests/sret.cpp code.
; CHECK-DWO: DW_AT_GNU_dwo_id [DW_FORM_data8] (0x51ac5644b1937aa1)
; CHECK-DWO: DW_AT_GNU_dwo_id [DW_FORM_data8] (0x51ac5644b1937aa1)
; RUN: llc -O0 -fast-isel=true -mtriple=x86_64-apple-darwin -filetype=obj -o - %s | llvm-dwarfdump - | FileCheck %s
; RUN: llc -O0 -fast-isel=false -mtriple=x86_64-apple-darwin -filetype=obj -o - %s | llvm-dwarfdump - | FileCheck %s
; CHECK: _ZN1B9AInstanceEv
; CHECK: DW_TAG_variable
; CHECK-NEXT: DW_AT_location [DW_FORM_sec_offset] (0x00000000)
; CHECK-NEXT: DW_AT_name {{.*}}"a"
; CHECK: .debug_loc contents:
; CHECK: 0x00000000: Beginning address offset:
; CHECK-NEXT: Ending address offset:
; CHECK-NEXT: Location description: 75 00
; rdi+0
%class.A = type { i32 (...)**, i32 }
%class.B = type { i8 }
@_ZTV1A = linkonce_odr unnamed_addr constant [4 x i8*] [i8* null, i8* bitcast ({ i8*, i8* }* @_ZTI1A to i8*), i8* bitcast (void (%class.A*)* @_ZN1AD2Ev to i8*), i8* bitcast (void (%class.A*)* @_ZN1AD0Ev to i8*)]
@_ZTVN10__cxxabiv117__class_type_infoE = external global i8*
@_ZTS1A = linkonce_odr constant [3 x i8] c"1A\00"
@_ZTI1A = linkonce_odr constant { i8*, i8* } { i8* bitcast (i8** getelementptr inbounds (i8*, i8** @_ZTVN10__cxxabiv117__class_type_infoE, i64 2) to i8*), i8* getelementptr inbounds ([3 x i8], [3 x i8]* @_ZTS1A, i32 0, i32 0) }
@_ZN1AC1Ei = alias void (%class.A*, i32), void (%class.A*, i32)* @_ZN1AC2Ei
@_ZN1AC1ERKS_ = alias void (%class.A*, %class.A*), void (%class.A*, %class.A*)* @_ZN1AC2ERKS_
; Function Attrs: nounwind uwtable
define void @_ZN1AC2Ei(%class.A* %this, i32 %i) unnamed_addr #0 align 2 !dbg !49 {
entry:
%this.addr = alloca %class.A*, align 8
%i.addr = alloca i32, align 4
store %class.A* %this, %class.A** %this.addr, align 8
call void @llvm.dbg.declare(metadata %class.A** %this.addr, metadata !67, metadata !DIExpression()), !dbg !69
store i32 %i, i32* %i.addr, align 4
call void @llvm.dbg.declare(metadata i32* %i.addr, metadata !70, metadata !DIExpression()), !dbg !71
%this1 = load %class.A*, %class.A** %this.addr
%0 = bitcast %class.A* %this1 to i8***, !dbg !72
store i8** getelementptr inbounds ([4 x i8*], [4 x i8*]* @_ZTV1A, i64 0, i64 2), i8*** %0, !dbg !72
%m_int = getelementptr inbounds %class.A, %class.A* %this1, i32 0, i32 1, !dbg !72
%1 = load i32, i32* %i.addr, align 4, !dbg !72
store i32 %1, i32* %m_int, align 4, !dbg !72
ret void, !dbg !73
}
; Function Attrs: nounwind readnone
declare void @llvm.dbg.declare(metadata, metadata, metadata) #1
; Function Attrs: nounwind uwtable
define void @_ZN1AC2ERKS_(%class.A* %this, %class.A* %rhs) unnamed_addr #0 align 2 !dbg !50 {
entry:
%this.addr = alloca %class.A*, align 8
%rhs.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 !74, metadata !DIExpression()), !dbg !75
store %class.A* %rhs, %class.A** %rhs.addr, align 8
call void @llvm.dbg.declare(metadata %class.A** %rhs.addr, metadata !76, metadata !DIExpression()), !dbg !77
%this1 = load %class.A*, %class.A** %this.addr
%0 = bitcast %class.A* %this1 to i8***, !dbg !78
store i8** getelementptr inbounds ([4 x i8*], [4 x i8*]* @_ZTV1A, i64 0, i64 2), i8*** %0, !dbg !78
%m_int = getelementptr inbounds %class.A, %class.A* %this1, i32 0, i32 1, !dbg !78
%1 = load %class.A*, %class.A** %rhs.addr, align 8, !dbg !78
%m_int2 = getelementptr inbounds %class.A, %class.A* %1, i32 0, i32 1, !dbg !78
%2 = load i32, i32* %m_int2, align 4, !dbg !78
store i32 %2, i32* %m_int, align 4, !dbg !78
ret void, !dbg !79
}
; Function Attrs: nounwind uwtable
define %class.A* @_ZN1AaSERKS_(%class.A* %this, %class.A* %rhs) #0 align 2 !dbg !51 {
entry:
%this.addr = alloca %class.A*, align 8
%rhs.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 !80, metadata !DIExpression()), !dbg !81
store %class.A* %rhs, %class.A** %rhs.addr, align 8
call void @llvm.dbg.declare(metadata %class.A** %rhs.addr, metadata !82, metadata !DIExpression()), !dbg !83
%this1 = load %class.A*, %class.A** %this.addr
%0 = load %class.A*, %class.A** %rhs.addr, align 8, !dbg !84
%m_int = getelementptr inbounds %class.A, %class.A* %0, i32 0, i32 1, !dbg !84
%1 = load i32, i32* %m_int, align 4, !dbg !84
%m_int2 = getelementptr inbounds %class.A, %class.A* %this1, i32 0, i32 1, !dbg !84
store i32 %1, i32* %m_int2, align 4, !dbg !84
ret %class.A* %this1, !dbg !85
}
; Function Attrs: nounwind uwtable
define i32 @_ZN1A7get_intEv(%class.A* %this) #0 align 2 !dbg !52 {
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 !86, metadata !DIExpression()), !dbg !87
%this1 = load %class.A*, %class.A** %this.addr
%m_int = getelementptr inbounds %class.A, %class.A* %this1, i32 0, i32 1, !dbg !88
%0 = load i32, i32* %m_int, align 4, !dbg !88
ret i32 %0, !dbg !88
}
; Function Attrs: uwtable
define void @_ZN1B9AInstanceEv(%class.A* noalias sret %agg.result, %class.B* %this) #2 align 2 !dbg !53 {
entry:
%this.addr = alloca %class.B*, align 8
%nrvo = alloca i1
%cleanup.dest.slot = alloca i32
store %class.B* %this, %class.B** %this.addr, align 8
call void @llvm.dbg.declare(metadata %class.B** %this.addr, metadata !89, metadata !DIExpression()), !dbg !91
%this1 = load %class.B*, %class.B** %this.addr
store i1 false, i1* %nrvo, !dbg !92
call void @llvm.dbg.declare(metadata %class.A* %agg.result, metadata !93, metadata !DIExpression()), !dbg !92
call void @_ZN1AC1Ei(%class.A* %agg.result, i32 12), !dbg !92
store i1 true, i1* %nrvo, !dbg !94
store i32 1, i32* %cleanup.dest.slot
%nrvo.val = load i1, i1* %nrvo, !dbg !95
br i1 %nrvo.val, label %nrvo.skipdtor, label %nrvo.unused, !dbg !95
nrvo.unused: ; preds = %entry
call void @_ZN1AD2Ev(%class.A* %agg.result), !dbg !96
br label %nrvo.skipdtor, !dbg !96
nrvo.skipdtor: ; preds = %nrvo.unused, %entry
ret void, !dbg !98
}
; Function Attrs: nounwind uwtable
define linkonce_odr void @_ZN1AD2Ev(%class.A* %this) unnamed_addr #0 align 2 !dbg !63 {
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 !101, metadata !DIExpression()), !dbg !102
%this1 = load %class.A*, %class.A** %this.addr
ret void, !dbg !103
}
; Function Attrs: uwtable
define i32 @main(i32 %argc, i8** %argv) #2 personality i8* bitcast (i32 (...)* @__gxx_personality_v0 to i8*) !dbg !54 {
entry:
%retval = alloca i32, align 4
%argc.addr = alloca i32, align 4
%argv.addr = alloca i8**, align 8
%b = alloca %class.B, align 1
%return_val = alloca i32, align 4
%temp.lvalue = alloca %class.A, align 8
%exn.slot = alloca i8*
%ehselector.slot = alloca i32
%a = alloca %class.A, align 8
%cleanup.dest.slot = alloca i32
store i32 0, i32* %retval
store i32 %argc, i32* %argc.addr, align 4
call void @llvm.dbg.declare(metadata i32* %argc.addr, metadata !104, metadata !DIExpression()), !dbg !105
store i8** %argv, i8*** %argv.addr, align 8
call void @llvm.dbg.declare(metadata i8*** %argv.addr, metadata !106, metadata !DIExpression()), !dbg !105
call void @llvm.dbg.declare(metadata %class.B* %b, metadata !107, metadata !DIExpression()), !dbg !108
call void @_ZN1BC2Ev(%class.B* %b), !dbg !108
call void @llvm.dbg.declare(metadata i32* %return_val, metadata !109, metadata !DIExpression()), !dbg !110
call void @_ZN1B9AInstanceEv(%class.A* sret %temp.lvalue, %class.B* %b), !dbg !110
%call = invoke i32 @_ZN1A7get_intEv(%class.A* %temp.lvalue)
to label %invoke.cont unwind label %lpad, !dbg !110
invoke.cont: ; preds = %entry
call void @_ZN1AD2Ev(%class.A* %temp.lvalue), !dbg !111
store i32 %call, i32* %return_val, align 4, !dbg !111
call void @llvm.dbg.declare(metadata %class.A* %a, metadata !113, metadata !DIExpression()), !dbg !114
call void @_ZN1B9AInstanceEv(%class.A* sret %a, %class.B* %b), !dbg !114
%0 = load i32, i32* %return_val, align 4, !dbg !115
store i32 %0, i32* %retval, !dbg !115
store i32 1, i32* %cleanup.dest.slot
call void @_ZN1AD2Ev(%class.A* %a), !dbg !116
%1 = load i32, i32* %retval, !dbg !116
ret i32 %1, !dbg !116
lpad: ; preds = %entry
%2 = landingpad { i8*, i32 }
cleanup, !dbg !116
%3 = extractvalue { i8*, i32 } %2, 0, !dbg !116
store i8* %3, i8** %exn.slot, !dbg !116
%4 = extractvalue { i8*, i32 } %2, 1, !dbg !116
store i32 %4, i32* %ehselector.slot, !dbg !116
invoke void @_ZN1AD2Ev(%class.A* %temp.lvalue)
to label %invoke.cont1 unwind label %terminate.lpad, !dbg !116
invoke.cont1: ; preds = %lpad
br label %eh.resume, !dbg !117
eh.resume: ; preds = %invoke.cont1
%exn = load i8*, i8** %exn.slot, !dbg !119
%sel = load i32, i32* %ehselector.slot, !dbg !119
%lpad.val = insertvalue { i8*, i32 } undef, i8* %exn, 0, !dbg !119
%lpad.val2 = insertvalue { i8*, i32 } %lpad.val, i32 %sel, 1, !dbg !119
resume { i8*, i32 } %lpad.val2, !dbg !119
terminate.lpad: ; preds = %lpad
%5 = landingpad { i8*, i32 }
catch i8* null, !dbg !121
%6 = extractvalue { i8*, i32 } %5, 0, !dbg !121
call void @__clang_call_terminate(i8* %6) #5, !dbg !121
unreachable, !dbg !121
}
; Function Attrs: nounwind uwtable
define linkonce_odr void @_ZN1BC2Ev(%class.B* %this) unnamed_addr #0 align 2 !dbg !62 {
entry:
%this.addr = alloca %class.B*, align 8
store %class.B* %this, %class.B** %this.addr, align 8
call void @llvm.dbg.declare(metadata %class.B** %this.addr, metadata !123, metadata !DIExpression()), !dbg !124
%this1 = load %class.B*, %class.B** %this.addr
ret void, !dbg !125
}
declare i32 @__gxx_personality_v0(...)
; Function Attrs: noinline noreturn nounwind
define linkonce_odr hidden void @__clang_call_terminate(i8*) #3 {
%2 = call i8* @__cxa_begin_catch(i8* %0) #6
call void @_ZSt9terminatev() #5
unreachable
}
declare i8* @__cxa_begin_catch(i8*)
declare void @_ZSt9terminatev()
; Function Attrs: uwtable
define linkonce_odr void @_ZN1AD0Ev(%class.A* %this) unnamed_addr #2 align 2 personality i8* bitcast (i32 (...)* @__gxx_personality_v0 to i8*) !dbg !61 {
entry:
%this.addr = alloca %class.A*, align 8
%exn.slot = alloca i8*
%ehselector.slot = alloca i32
store %class.A* %this, %class.A** %this.addr, align 8
call void @llvm.dbg.declare(metadata %class.A** %this.addr, metadata !126, metadata !DIExpression()), !dbg !127
%this1 = load %class.A*, %class.A** %this.addr
invoke void @_ZN1AD2Ev(%class.A* %this1)
to label %invoke.cont unwind label %lpad, !dbg !128
invoke.cont: ; preds = %entry
%0 = bitcast %class.A* %this1 to i8*, !dbg !129
call void @_ZdlPv(i8* %0) #7, !dbg !129
ret void, !dbg !129
lpad: ; preds = %entry
%1 = landingpad { i8*, i32 }
cleanup, !dbg !131
%2 = extractvalue { i8*, i32 } %1, 0, !dbg !131
store i8* %2, i8** %exn.slot, !dbg !131
%3 = extractvalue { i8*, i32 } %1, 1, !dbg !131
store i32 %3, i32* %ehselector.slot, !dbg !131
%4 = bitcast %class.A* %this1 to i8*, !dbg !131
call void @_ZdlPv(i8* %4) #7, !dbg !131
br label %eh.resume, !dbg !131
eh.resume: ; preds = %lpad
%exn = load i8*, i8** %exn.slot, !dbg !133
%sel = load i32, i32* %ehselector.slot, !dbg !133
%lpad.val = insertvalue { i8*, i32 } undef, i8* %exn, 0, !dbg !133
%lpad.val2 = insertvalue { i8*, i32 } %lpad.val, i32 %sel, 1, !dbg !133
resume { i8*, i32 } %lpad.val2, !dbg !133
}
; Function Attrs: nobuiltin nounwind
declare void @_ZdlPv(i8*) #4
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 }
attributes #2 = { 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 #3 = { noinline noreturn nounwind }
attributes #4 = { nobuiltin nounwind "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 #5 = { noreturn nounwind }
attributes #6 = { nounwind }
attributes #7 = { builtin nounwind }
!llvm.dbg.cu = !{!0}
!llvm.module.flags = !{!64, !65}
!llvm.ident = !{!66}
!0 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus, producer: "clang version 3.5.0 (trunk 203283) (llvm/trunk 203307)", isOptimized: false, splitDebugFilename: "sret.dwo", emissionKind: FullDebug, file: !1, enums: !2, retainedTypes: !3, globals: !2, imports: !2)
!1 = !DIFile(filename: "sret.cpp", directory: "/usr/local/google/home/echristo/tmp")
!2 = !{}
!3 = !{!4, !37}
!4 = !DICompositeType(tag: DW_TAG_class_type, name: "A", line: 1, size: 128, align: 64, file: !1, elements: !5, vtableHolder: !4, identifier: "_ZTS1A")
!5 = !{!6, !13, !14, !19, !25, !29, !33}
!6 = !DIDerivedType(tag: DW_TAG_member, name: "_vptr$A", size: 64, flags: DIFlagArtificial, file: !1, scope: !7, baseType: !8)
!7 = !DIFile(filename: "sret.cpp", directory: "/usr/local/google/home/echristo/tmp")
!8 = !DIDerivedType(tag: DW_TAG_pointer_type, size: 64, baseType: !9)
!9 = !DIDerivedType(tag: DW_TAG_pointer_type, name: "__vtbl_ptr_type", size: 64, baseType: !10)
!10 = !DISubroutineType(types: !11)
!11 = !{!12}
!12 = !DIBasicType(tag: DW_TAG_base_type, name: "int", size: 32, align: 32, encoding: DW_ATE_signed)
!13 = !DIDerivedType(tag: DW_TAG_member, name: "m_int", line: 13, size: 32, align: 32, offset: 64, flags: DIFlagProtected, file: !1, scope: !4, baseType: !12)
!14 = !DISubprogram(name: "A", line: 4, isLocal: false, isDefinition: false, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: false, scopeLine: 4, file: !1, scope: !4, type: !15)
!15 = !DISubroutineType(types: !16)
!16 = !{null, !17, !12}
!17 = !DIDerivedType(tag: DW_TAG_pointer_type, size: 64, align: 64, flags: DIFlagArtificial | DIFlagObjectPointer, baseType: !4)
!19 = !DISubprogram(name: "A", line: 5, isLocal: false, isDefinition: false, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: false, scopeLine: 5, file: !1, scope: !4, type: !20)
!20 = !DISubroutineType(types: !21)
!21 = !{null, !17, !22}
!22 = !DIDerivedType(tag: DW_TAG_reference_type, size: 64, align: 64, baseType: !23)
!23 = !DIDerivedType(tag: DW_TAG_const_type, baseType: !4)
!25 = !DISubprogram(name: "operator=", linkageName: "_ZN1AaSERKS_", line: 7, isLocal: false, isDefinition: false, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: false, scopeLine: 7, file: !1, scope: !4, type: !26)
!26 = !DISubroutineType(types: !27)
!27 = !{!22, !17, !22}
!29 = !DISubprogram(name: "~A", line: 8, isLocal: false, isDefinition: false, virtuality: DW_VIRTUALITY_virtual, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: false, scopeLine: 8, file: !1, scope: !4, type: !30, containingType: !4)
!30 = !DISubroutineType(types: !31)
!31 = !{null, !17}
!33 = !DISubprogram(name: "get_int", linkageName: "_ZN1A7get_intEv", line: 10, isLocal: false, isDefinition: false, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: false, scopeLine: 10, file: !1, scope: !4, type: !34)
!34 = !DISubroutineType(types: !35)
!35 = !{!12, !17}
!37 = !DICompositeType(tag: DW_TAG_class_type, name: "B", line: 38, size: 8, align: 8, file: !1, elements: !38, identifier: "_ZTS1B")
!38 = !{!39, !44}
!39 = !DISubprogram(name: "B", line: 41, isLocal: false, isDefinition: false, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: false, scopeLine: 41, file: !1, scope: !37, type: !40)
!40 = !DISubroutineType(types: !41)
!41 = !{null, !42}
!42 = !DIDerivedType(tag: DW_TAG_pointer_type, size: 64, align: 64, flags: DIFlagArtificial | DIFlagObjectPointer, baseType: !37)
!44 = !DISubprogram(name: "AInstance", linkageName: "_ZN1B9AInstanceEv", line: 43, isLocal: false, isDefinition: false, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: false, scopeLine: 43, file: !1, scope: !37, type: !45)
!45 = !DISubroutineType(types: !46)
!46 = !{!4, !42}
!49 = distinct !DISubprogram(name: "A", linkageName: "_ZN1AC2Ei", line: 16, isLocal: false, isDefinition: true, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: false, unit: !0, scopeLine: 18, file: !1, scope: !4, type: !15, declaration: !14, variables: !2)
!50 = distinct !DISubprogram(name: "A", linkageName: "_ZN1AC2ERKS_", line: 21, isLocal: false, isDefinition: true, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: false, unit: !0, scopeLine: 23, file: !1, scope: !4, type: !20, declaration: !19, variables: !2)
!51 = distinct !DISubprogram(name: "operator=", linkageName: "_ZN1AaSERKS_", line: 27, isLocal: false, isDefinition: true, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: false, unit: !0, scopeLine: 28, file: !1, scope: !4, type: !26, declaration: !25, variables: !2)
!52 = distinct !DISubprogram(name: "get_int", linkageName: "_ZN1A7get_intEv", line: 33, isLocal: false, isDefinition: true, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: false, unit: !0, scopeLine: 34, file: !1, scope: !4, type: !34, declaration: !33, variables: !2)
!53 = distinct !DISubprogram(name: "AInstance", linkageName: "_ZN1B9AInstanceEv", line: 47, isLocal: false, isDefinition: true, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: false, unit: !0, scopeLine: 48, file: !1, scope: !37, type: !45, declaration: !44, variables: !2)
!54 = distinct !DISubprogram(name: "main", line: 53, isLocal: false, isDefinition: true, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: false, unit: !0, scopeLine: 54, file: !1, scope: !7, type: !55, variables: !2)
!55 = !DISubroutineType(types: !56)
!56 = !{!12, !12, !57}
!57 = !DIDerivedType(tag: DW_TAG_pointer_type, size: 64, align: 64, baseType: !58)
!58 = !DIDerivedType(tag: DW_TAG_pointer_type, size: 64, align: 64, baseType: !59)
!59 = !DIDerivedType(tag: DW_TAG_const_type, baseType: !60)
!60 = !DIBasicType(tag: DW_TAG_base_type, name: "char", size: 8, align: 8, encoding: DW_ATE_signed_char)
!61 = distinct !DISubprogram(name: "~A", linkageName: "_ZN1AD0Ev", line: 8, isLocal: false, isDefinition: true, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: false, unit: !0, scopeLine: 8, file: !1, scope: !4, type: !30, declaration: !29, variables: !2)
!62 = distinct !DISubprogram(name: "B", linkageName: "_ZN1BC2Ev", line: 41, isLocal: false, isDefinition: true, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: false, unit: !0, scopeLine: 41, file: !1, scope: !37, type: !40, declaration: !39, variables: !2)
!63 = distinct !DISubprogram(name: "~A", linkageName: "_ZN1AD2Ev", line: 8, isLocal: false, isDefinition: true, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: false, unit: !0, scopeLine: 8, file: !1, scope: !4, type: !30, declaration: !29, variables: !2)
!64 = !{i32 2, !"Dwarf Version", i32 4}
!65 = !{i32 1, !"Debug Info Version", i32 3}
!66 = !{!"clang version 3.5.0 (trunk 203283) (llvm/trunk 203307)"}
!67 = !DILocalVariable(name: "this", arg: 1, flags: DIFlagArtificial | DIFlagObjectPointer, scope: !49, type: !68)
!68 = !DIDerivedType(tag: DW_TAG_pointer_type, size: 64, align: 64, baseType: !4)
!69 = !DILocation(line: 0, scope: !49)
!70 = !DILocalVariable(name: "i", line: 16, arg: 2, scope: !49, file: !7, type: !12)
!71 = !DILocation(line: 16, scope: !49)
!72 = !DILocation(line: 18, scope: !49)
!73 = !DILocation(line: 19, scope: !49)
!74 = !DILocalVariable(name: "this", arg: 1, flags: DIFlagArtificial | DIFlagObjectPointer, scope: !50, type: !68)
!75 = !DILocation(line: 0, scope: !50)
!76 = !DILocalVariable(name: "rhs", line: 21, arg: 2, scope: !50, file: !7, type: !22)
!77 = !DILocation(line: 21, scope: !50)
!78 = !DILocation(line: 23, scope: !50)
!79 = !DILocation(line: 24, scope: !50)
!80 = !DILocalVariable(name: "this", arg: 1, flags: DIFlagArtificial | DIFlagObjectPointer, scope: !51, type: !68)
!81 = !DILocation(line: 0, scope: !51)
!82 = !DILocalVariable(name: "rhs", line: 27, arg: 2, scope: !51, file: !7, type: !22)
!83 = !DILocation(line: 27, scope: !51)
!84 = !DILocation(line: 29, scope: !51)
!85 = !DILocation(line: 30, scope: !51)
!86 = !DILocalVariable(name: "this", arg: 1, flags: DIFlagArtificial | DIFlagObjectPointer, scope: !52, type: !68)
!87 = !DILocation(line: 0, scope: !52)
!88 = !DILocation(line: 35, scope: !52)
!89 = !DILocalVariable(name: "this", arg: 1, flags: DIFlagArtificial | DIFlagObjectPointer, scope: !53, type: !90)
!90 = !DIDerivedType(tag: DW_TAG_pointer_type, size: 64, align: 64, baseType: !37)
!91 = !DILocation(line: 0, scope: !53)
!92 = !DILocation(line: 49, scope: !53)
!93 = !DILocalVariable(name: "a", line: 49, scope: !53, file: !7, type: !4)
!94 = !DILocation(line: 50, scope: !53)
!95 = !DILocation(line: 51, scope: !53)
!96 = !DILocation(line: 51, scope: !97)
!97 = distinct !DILexicalBlock(line: 51, column: 0, file: !1, scope: !53)
!98 = !DILocation(line: 51, scope: !99)
!99 = distinct !DILexicalBlock(line: 51, column: 0, file: !1, scope: !100)
!100 = distinct !DILexicalBlock(line: 51, column: 0, file: !1, scope: !53)
!101 = !DILocalVariable(name: "this", arg: 1, flags: DIFlagArtificial | DIFlagObjectPointer, scope: !63, type: !68)
!102 = !DILocation(line: 0, scope: !63)
!103 = !DILocation(line: 8, scope: !63)
!104 = !DILocalVariable(name: "argc", line: 53, arg: 1, scope: !54, file: !7, type: !12)
!105 = !DILocation(line: 53, scope: !54)
!106 = !DILocalVariable(name: "argv", line: 53, arg: 2, scope: !54, file: !7, type: !57)
!107 = !DILocalVariable(name: "b", line: 55, scope: !54, file: !7, type: !37)
!108 = !DILocation(line: 55, scope: !54)
!109 = !DILocalVariable(name: "return_val", line: 56, scope: !54, file: !7, type: !12)
!110 = !DILocation(line: 56, scope: !54)
!111 = !DILocation(line: 56, scope: !112)
!112 = distinct !DILexicalBlock(line: 56, column: 0, file: !1, scope: !54)
!113 = !DILocalVariable(name: "a", line: 58, scope: !54, file: !7, type: !4)
!114 = !DILocation(line: 58, scope: !54)
!115 = !DILocation(line: 59, scope: !54)
!116 = !DILocation(line: 60, scope: !54)
!117 = !DILocation(line: 60, scope: !118)
!118 = distinct !DILexicalBlock(line: 60, column: 0, file: !1, scope: !54)
!119 = !DILocation(line: 60, scope: !120)
!120 = distinct !DILexicalBlock(line: 60, column: 0, file: !1, scope: !54)
!121 = !DILocation(line: 60, scope: !122)
!122 = distinct !DILexicalBlock(line: 60, column: 0, file: !1, scope: !54)
!123 = !DILocalVariable(name: "this", arg: 1, flags: DIFlagArtificial | DIFlagObjectPointer, scope: !62, type: !90)
!124 = !DILocation(line: 0, scope: !62)
!125 = !DILocation(line: 41, scope: !62)
!126 = !DILocalVariable(name: "this", arg: 1, flags: DIFlagArtificial | DIFlagObjectPointer, scope: !61, type: !68)
!127 = !DILocation(line: 0, scope: !61)
!128 = !DILocation(line: 8, scope: !61)
!129 = !DILocation(line: 8, scope: !130)
!130 = distinct !DILexicalBlock(line: 8, column: 0, file: !1, scope: !61)
!131 = !DILocation(line: 8, scope: !132)
!132 = distinct !DILexicalBlock(line: 8, column: 0, file: !1, scope: !61)
!133 = !DILocation(line: 8, scope: !134)
!134 = distinct !DILexicalBlock(line: 8, column: 0, file: !1, scope: !61)
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