; LLVM IR from v4kst1z/TinyGC :: TinyGC.ll (ZN6TinyGC5SweepEv)

; Unoptimized IR (clang -disable-llvm-passes):
target datalayout = "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-i128:128-f80:128-n8:16:32:64-S128"
target triple = "x86_64-unknown-linux-gnu"

%"class.std::basic_ostream" = type { ptr, %"class.std::basic_ios" }
%"class.std::basic_ios" = type { %"class.std::ios_base", ptr, i8, i8, ptr, ptr, ptr, ptr }
%"class.std::ios_base" = type { ptr, i64, i64, i32, i32, i32, ptr, %"struct.std::ios_base::_Words", [8 x %"struct.std::ios_base::_Words"], i32, ptr, %"class.std::locale" }
%"struct.std::ios_base::_Words" = type { ptr, i64 }
%"class.std::locale" = type { ptr }
%"class.std::unique_lock" = type <{ ptr, i8, [7 x i8] }>
%"class.std::unordered_set" = type { %"class.std::_Hashtable" }
%"class.std::_Hashtable" = type { ptr, i64, %"struct.std::__detail::_Hash_node_base", i64, %"struct.std::__detail::_Prime_rehash_policy", ptr }
%"struct.std::__detail::_Hash_node_base" = type { ptr }
%"struct.std::__detail::_Prime_rehash_policy" = type { float, i64 }
%"struct.std::__detail::_Node_iterator.21" = type { %"struct.std::__detail::_Node_iterator_base.22" }
%"struct.std::__detail::_Node_iterator_base.22" = type { ptr }
%class.TinyGC = type <{ %"class.std::unordered_set", %"class.std::unordered_map", %"class.std::mutex", %"class.std::mutex", ptr, i32, i32, i32, i32, i32, [4 x i8] }>
%"class.std::unordered_map" = type { %"class.std::_Hashtable.2" }
%"class.std::_Hashtable.2" = type { ptr, i64, %"struct.std::__detail::_Hash_node_base", i64, %"struct.std::__detail::_Prime_rehash_policy", ptr }
%"class.std::mutex" = type { %"class.std::__mutex_base" }
%"class.std::__mutex_base" = type { %union.pthread_mutex_t }
%union.pthread_mutex_t = type { %struct.__pthread_mutex_s }
%struct.__pthread_mutex_s = type { i32, i32, i32, i32, i32, i16, i16, %struct.__pthread_internal_list }
%struct.__pthread_internal_list = type { ptr, ptr }
%class.GarbageCollectedBase = type { ptr, i8, i32 }

@_ZSt4cerr = external global %"class.std::basic_ostream", align 8
@.str.3 = external hidden unnamed_addr constant [14 x i8], align 1
@.str.4 = external hidden unnamed_addr constant [8 x i8], align 1
@.str.5 = external hidden unnamed_addr constant [13 x i8], align 1

declare i32 @__gxx_personality_v0(...)

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local void @_ZNSt13unordered_setIP20GarbageCollectedBaseSt4hashIS1_ESt8equal_toIS1_ESaIS1_EED2Ev(ptr noundef nonnull align 8 dereferenceable(56)) unnamed_addr #0 align 2

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #1

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt11unique_lockISt5mutexEC2ERS0_(ptr noundef nonnull align 8 dereferenceable(9), ptr noundef nonnull align 8 dereferenceable(40)) unnamed_addr #2 align 2

; Function Attrs: inlinehint mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef) #3

; Function Attrs: mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef) #2 align 2

; Function Attrs: inlinehint mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_(ptr noundef nonnull align 8 dereferenceable(8)) #3

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZN6TinyGC10SetGCPhaseENS_7GCPhaseE(ptr noundef nonnull align 8 dereferenceable(220), i32 noundef) #4 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZN7Visitor7SetMarkEb(ptr noundef nonnull align 1 dereferenceable(1), i1 noundef zeroext) #4 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_ZNSt8__detailneERKNS_19_Node_iterator_baseIP20GarbageCollectedBaseLb0EEES5_(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef nonnull align 8 dereferenceable(8)) #4

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt13unordered_setIP20GarbageCollectedBaseSt4hashIS1_ESt8equal_toIS1_ESaIS1_EE3endEv(ptr noundef nonnull align 8 dereferenceable(56)) #4 align 2

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #1

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZN7Visitor8ObjTraceEP20GarbageCollectedBase(ptr noundef nonnull align 1 dereferenceable(1), ptr noundef) #2 align 2

; Function Attrs: mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPKv(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef) #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt11unique_lockISt5mutexED2Ev(ptr noundef nonnull align 8 dereferenceable(9)) unnamed_addr #4 align 2

; Function Attrs: mustprogress uwtable
define dso_local void @_ZN6TinyGC5SweepEv(ptr noundef nonnull align 8 dereferenceable(220) %0) #2 align 2 personality ptr @__gxx_personality_v0 {
  %2 = alloca ptr, align 8
  %3 = alloca %"class.std::unique_lock", align 8
  %4 = alloca ptr, align 8
  %5 = alloca i32, align 4
  %6 = alloca %"class.std::unordered_set", align 8
  %7 = alloca ptr, align 8
  %8 = alloca %"struct.std::__detail::_Node_iterator.21", align 8
  %9 = alloca %"struct.std::__detail::_Node_iterator.21", align 8
  %10 = alloca ptr, align 8
  store ptr %0, ptr %2, align 8, !tbaa !5
  %11 = load ptr, ptr %2, align 8
  call void @llvm.lifetime.start.p0(i64 16, ptr %3) #5
  %12 = getelementptr inbounds %class.TinyGC, ptr %11, i32 0, i32 2
  call void @_ZNSt11unique_lockISt5mutexEC2ERS0_(ptr noundef nonnull align 8 dereferenceable(9) %3, ptr noundef nonnull align 8 dereferenceable(40) %12)
  br label %13

13:                                               ; preds = %1
  %14 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cerr, ptr noundef @.str.3)
          to label %15 unwind label %37

15:                                               ; preds = %13
  %16 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) %14, ptr noundef @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
          to label %17 unwind label %37

17:                                               ; preds = %15
  br label %18

18:                                               ; preds = %17
  br label %19

19:                                               ; preds = %18
  invoke void @_ZN6TinyGC10SetGCPhaseENS_7GCPhaseE(ptr noundef nonnull align 8 dereferenceable(220) %11, i32 noundef 2)
          to label %20 unwind label %37

20:                                               ; preds = %19
  %21 = getelementptr inbounds %class.TinyGC, ptr %11, i32 0, i32 4
  %22 = load ptr, ptr %21, align 8, !tbaa !9
  invoke void @_ZN7Visitor7SetMarkEb(ptr noundef nonnull align 1 dereferenceable(1) %22, i1 noundef zeroext false)
          to label %23 unwind label %37

23:                                               ; preds = %20
  call void @llvm.lifetime.start.p0(i64 56, ptr %6) #5
  %24 = getelementptr inbounds %class.TinyGC, ptr %11, i32 0, i32 0
  invoke void @_ZNSt13unordered_setIP20GarbageCollectedBaseSt4hashIS1_ESt8equal_toIS1_ESaIS1_EEC2ERKS7_(ptr noundef nonnull align 8 dereferenceable(56) %6, ptr noundef nonnull align 8 dereferenceable(56) %24)
          to label %25 unwind label %41

25:                                               ; preds = %23
  call void @llvm.lifetime.start.p0(i64 8, ptr %7) #5
  store ptr %6, ptr %7, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %8) #5
  %26 = load ptr, ptr %7, align 8, !tbaa !5
  %27 = call ptr @_ZNSt13unordered_setIP20GarbageCollectedBaseSt4hashIS1_ESt8equal_toIS1_ESaIS1_EE5beginEv(ptr noundef nonnull align 8 dereferenceable(56) %26) #5
  %28 = getelementptr inbounds %"struct.std::__detail::_Node_iterator.21", ptr %8, i32 0, i32 0
  %29 = getelementptr inbounds %"struct.std::__detail::_Node_iterator_base.22", ptr %28, i32 0, i32 0
  store ptr %27, ptr %29, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr %9) #5
  %30 = load ptr, ptr %7, align 8, !tbaa !5
  %31 = call ptr @_ZNSt13unordered_setIP20GarbageCollectedBaseSt4hashIS1_ESt8equal_toIS1_ESaIS1_EE3endEv(ptr noundef nonnull align 8 dereferenceable(56) %30) #5
  %32 = getelementptr inbounds %"struct.std::__detail::_Node_iterator.21", ptr %9, i32 0, i32 0
  %33 = getelementptr inbounds %"struct.std::__detail::_Node_iterator_base.22", ptr %32, i32 0, i32 0
  store ptr %31, ptr %33, align 8
  br label %34

34:                                               ; preds = %99, %25
  %35 = call noundef zeroext i1 @_ZNSt8__detailneERKNS_19_Node_iterator_baseIP20GarbageCollectedBaseLb0EEES5_(ptr noundef nonnull align 8 dereferenceable(8) %8, ptr noundef nonnull align 8 dereferenceable(8) %9) #5
  br i1 %35, label %45, label %36

36:                                               ; preds = %34
  call void @llvm.lifetime.end.p0(i64 8, ptr %9) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr %8) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr %7) #5
  br label %101

37:                                               ; preds = %20, %19, %15, %13
  %38 = landingpad { ptr, i32 }
          cleanup
  %39 = extractvalue { ptr, i32 } %38, 0
  store ptr %39, ptr %4, align 8
  %40 = extractvalue { ptr, i32 } %38, 1
  store i32 %40, ptr %5, align 4
  br label %109

41:                                               ; preds = %23
  %42 = landingpad { ptr, i32 }
          cleanup
  %43 = extractvalue { ptr, i32 } %42, 0
  store ptr %43, ptr %4, align 8
  %44 = extractvalue { ptr, i32 } %42, 1
  store i32 %44, ptr %5, align 4
  br label %108

45:                                               ; preds = %34
  call void @llvm.lifetime.start.p0(i64 8, ptr %10) #5
  %46 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNKSt8__detail14_Node_iteratorIP20GarbageCollectedBaseLb1ELb0EEdeEv(ptr noundef nonnull align 8 dereferenceable(8) %8) #5
  store ptr %46, ptr %10, align 8, !tbaa !5
  %47 = load ptr, ptr %10, align 8, !tbaa !5
  %48 = load ptr, ptr %47, align 8, !tbaa !5
  %49 = getelementptr inbounds %class.GarbageCollectedBase, ptr %48, i32 0, i32 1
  %50 = load i8, ptr %49, align 8, !tbaa !23, !range !26, !noundef !27
  %51 = trunc i8 %50 to i1
  br i1 %51, label %92, label %52

52:                                               ; preds = %45
  %53 = getelementptr inbounds %class.TinyGC, ptr %11, i32 0, i32 0
  %54 = load ptr, ptr %10, align 8, !tbaa !5
  %55 = invoke noundef i64 @_ZNSt13unordered_setIP20GarbageCollectedBaseSt4hashIS1_ESt8equal_toIS1_ESaIS1_EE5eraseERKS1_(ptr noundef nonnull align 8 dereferenceable(56) %53, ptr noundef nonnull align 8 dereferenceable(8) %54)
          to label %56 unwind label %88

56:                                               ; preds = %52
  %57 = load ptr, ptr %10, align 8, !tbaa !5
  %58 = load ptr, ptr %57, align 8, !tbaa !5
  %59 = getelementptr inbounds %class.GarbageCollectedBase, ptr %58, i32 0, i32 2
  %60 = load i32, ptr %59, align 4, !tbaa !28
  %61 = getelementptr inbounds %class.TinyGC, ptr %11, i32 0, i32 6
  %62 = load i32, ptr %61, align 4, !tbaa !29
  %63 = sub nsw i32 %62, %60
  store i32 %63, ptr %61, align 4, !tbaa !29
  %64 = getelementptr inbounds %class.TinyGC, ptr %11, i32 0, i32 7
  %65 = load i32, ptr %64, align 8, !tbaa !30
  %66 = add nsw i32 %65, -1
  store i32 %66, ptr %64, align 8, !tbaa !30
  br label %67

67:                                               ; preds = %56
  %68 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cerr, ptr noundef @.str.4)
          to label %69 unwind label %88

69:                                               ; preds = %67
  %70 = load ptr, ptr %10, align 8, !tbaa !5
  %71 = load ptr, ptr %70, align 8, !tbaa !5
  %72 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPKv(ptr noundef nonnull align 8 dereferenceable(8) %68, ptr noundef %71)
          to label %73 unwind label %88

73:                                               ; preds = %69
  %74 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) %72, ptr noundef @.str.5)
          to label %75 unwind label %88

75:                                               ; preds = %73
  %76 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) %74, ptr noundef @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
          to label %77 unwind label %88

77:                                               ; preds = %75
  br label %78

78:                                               ; preds = %77
  br label %79

79:                                               ; preds = %78
  %80 = load ptr, ptr %10, align 8, !tbaa !5
  %81 = load ptr, ptr %80, align 8, !tbaa !5
  %82 = icmp eq ptr %81, null
  br i1 %82, label %87, label %83

83:                                               ; preds = %79
  %84 = load ptr, ptr %81, align 8, !tbaa !31
  %85 = getelementptr inbounds ptr, ptr %84, i64 2
  %86 = load ptr, ptr %85, align 8
  call void %86(ptr noundef nonnull align 8 dereferenceable(16) %81) #5
  br label %87

87:                                               ; preds = %83, %79
  br label %98

88:                                               ; preds = %92, %75, %73, %69, %67, %52
  %89 = landingpad { ptr, i32 }
          cleanup
  %90 = extractvalue { ptr, i32 } %89, 0
  store ptr %90, ptr %4, align 8
  %91 = extractvalue { ptr, i32 } %89, 1
  store i32 %91, ptr %5, align 4
  call void @llvm.lifetime.end.p0(i64 8, ptr %10) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr %9) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr %8) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr %7) #5
  br label %107

92:                                               ; preds = %45
  %93 = getelementptr inbounds %class.TinyGC, ptr %11, i32 0, i32 4
  %94 = load ptr, ptr %93, align 8, !tbaa !9
  %95 = load ptr, ptr %10, align 8, !tbaa !5
  %96 = load ptr, ptr %95, align 8, !tbaa !5
  invoke void @_ZN7Visitor8ObjTraceEP20GarbageCollectedBase(ptr noundef nonnull align 1 dereferenceable(1) %94, ptr noundef %96)
          to label %97 unwind label %88

97:                                               ; preds = %92
  br label %98

98:                                               ; preds = %97, %87
  call void @llvm.lifetime.end.p0(i64 8, ptr %10) #5
  br label %99

99:                                               ; preds = %98
  %100 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt8__detail14_Node_iteratorIP20GarbageCollectedBaseLb1ELb0EEppEv(ptr noundef nonnull align 8 dereferenceable(8) %8) #5
  br label %34

101:                                              ; preds = %36
  invoke void @_ZN6TinyGC10SetGCPhaseENS_7GCPhaseE(ptr noundef nonnull align 8 dereferenceable(220) %11, i32 noundef 0)
          to label %102 unwind label %103

102:                                              ; preds = %101
  call void @_ZNSt13unordered_setIP20GarbageCollectedBaseSt4hashIS1_ESt8equal_toIS1_ESaIS1_EED2Ev(ptr noundef nonnull align 8 dereferenceable(56) %6) #5
  call void @llvm.lifetime.end.p0(i64 56, ptr %6) #5
  call void @_ZNSt11unique_lockISt5mutexED2Ev(ptr noundef nonnull align 8 dereferenceable(9) %3) #5
  call void @llvm.lifetime.end.p0(i64 16, ptr %3) #5
  ret void

103:                                              ; preds = %101
  %104 = landingpad { ptr, i32 }
          cleanup
  %105 = extractvalue { ptr, i32 } %104, 0
  store ptr %105, ptr %4, align 8
  %106 = extractvalue { ptr, i32 } %104, 1
  store i32 %106, ptr %5, align 4
  br label %107

107:                                              ; preds = %103, %88
  call void @_ZNSt13unordered_setIP20GarbageCollectedBaseSt4hashIS1_ESt8equal_toIS1_ESaIS1_EED2Ev(ptr noundef nonnull align 8 dereferenceable(56) %6) #5
  br label %108

108:                                              ; preds = %107, %41
  call void @llvm.lifetime.end.p0(i64 56, ptr %6) #5
  br label %109

109:                                              ; preds = %108, %37
  call void @_ZNSt11unique_lockISt5mutexED2Ev(ptr noundef nonnull align 8 dereferenceable(9) %3) #5
  call void @llvm.lifetime.end.p0(i64 16, ptr %3) #5
  br label %110

110:                                              ; preds = %109
  %111 = load ptr, ptr %4, align 8
  %112 = load i32, ptr %5, align 4
  %113 = insertvalue { ptr, i32 } poison, ptr %111, 0
  %114 = insertvalue { ptr, i32 } %113, i32 %112, 1
  resume { ptr, i32 } %114
}

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt13unordered_setIP20GarbageCollectedBaseSt4hashIS1_ESt8equal_toIS1_ESaIS1_EEC2ERKS7_(ptr noundef nonnull align 8 dereferenceable(56), ptr noundef nonnull align 8 dereferenceable(56)) unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt13unordered_setIP20GarbageCollectedBaseSt4hashIS1_ESt8equal_toIS1_ESaIS1_EE5beginEv(ptr noundef nonnull align 8 dereferenceable(56)) #4 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZNKSt8__detail14_Node_iteratorIP20GarbageCollectedBaseLb1ELb0EEdeEv(ptr noundef nonnull align 8 dereferenceable(8)) #4 align 2

; Function Attrs: mustprogress uwtable
declare dso_local noundef i64 @_ZNSt13unordered_setIP20GarbageCollectedBaseSt4hashIS1_ESt8equal_toIS1_ESaIS1_EE5eraseERKS1_(ptr noundef nonnull align 8 dereferenceable(56), ptr noundef nonnull align 8 dereferenceable(8)) #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt8__detail14_Node_iteratorIP20GarbageCollectedBaseLb1ELb0EEppEv(ptr noundef nonnull align 8 dereferenceable(8)) #4 align 2

attributes #0 = { inlinehint mustprogress nounwind uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #1 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #2 = { mustprogress uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #3 = { inlinehint mustprogress uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #4 = { mustprogress nounwind uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #5 = { nounwind }

!llvm.module.flags = !{!0, !1, !2, !3}
!llvm.ident = !{!4}

!0 = !{i32 1, !"wchar_size", i32 4}
!1 = !{i32 8, !"PIC Level", i32 2}
!2 = !{i32 7, !"PIE Level", i32 2}
!3 = !{i32 7, !"uwtable", i32 2}
!4 = !{!"clang version 19.1.0 (git@github.com:llvm/llvm-project.git a4bf6cd7cfb1a1421ba92bca9d017b49936c55e4)"}
!5 = !{!6, !6, i64 0}
!6 = !{!"any pointer", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}
!9 = !{!10, !6, i64 192}
!10 = !{!"_ZTS6TinyGC", !11, i64 0, !17, i64 56, !19, i64 112, !19, i64 152, !6, i64 192, !21, i64 200, !22, i64 204, !22, i64 208, !22, i64 212, !22, i64 216}
!11 = !{!"_ZTSSt13unordered_setIP20GarbageCollectedBaseSt4hashIS1_ESt8equal_toIS1_ESaIS1_EE", !12, i64 0}
!12 = !{!"_ZTSSt10_HashtableIP20GarbageCollectedBaseS1_SaIS1_ENSt8__detail9_IdentityESt8equal_toIS1_ESt4hashIS1_ENS3_18_Mod_range_hashingENS3_20_Default_ranged_hashENS3_20_Prime_rehash_policyENS3_17_Hashtable_traitsILb0ELb1ELb1EEEE", !6, i64 0, !13, i64 8, !14, i64 16, !13, i64 24, !15, i64 32, !6, i64 48}
!13 = !{!"long", !7, i64 0}
!14 = !{!"_ZTSNSt8__detail15_Hash_node_baseE", !6, i64 0}
!15 = !{!"_ZTSNSt8__detail20_Prime_rehash_policyE", !16, i64 0, !13, i64 8}
!16 = !{!"float", !7, i64 0}
!17 = !{!"_ZTSSt13unordered_mapINSt6thread2idEPN6TinyGC11ThreadStateESt4hashIS1_ESt8equal_toIS1_ESaISt4pairIKS1_S4_EEE", !18, i64 0}
!18 = !{!"_ZTSSt10_HashtableINSt6thread2idESt4pairIKS1_PN6TinyGC11ThreadStateEESaIS7_ENSt8__detail10_Select1stESt8equal_toIS1_ESt4hashIS1_ENS9_18_Mod_range_hashingENS9_20_Default_ranged_hashENS9_20_Prime_rehash_policyENS9_17_Hashtable_traitsILb0ELb0ELb1EEEE", !6, i64 0, !13, i64 8, !14, i64 16, !13, i64 24, !15, i64 32, !6, i64 48}
!19 = !{!"_ZTSSt5mutex", !20, i64 0}
!20 = !{!"_ZTSSt12__mutex_base", !7, i64 0}
!21 = !{!"_ZTSN6TinyGC7GCPhaseE", !7, i64 0}
!22 = !{!"int", !7, i64 0}
!23 = !{!24, !25, i64 8}
!24 = !{!"_ZTS20GarbageCollectedBase", !25, i64 8, !22, i64 12}
!25 = !{!"bool", !7, i64 0}
!26 = !{i8 0, i8 2}
!27 = !{}
!28 = !{!24, !22, i64 12}
!29 = !{!10, !22, i64 204}
!30 = !{!10, !22, i64 208}
!31 = !{!32, !32, i64 0}
!32 = !{!"vtable pointer", !8, i64 0}


; Optimized IR (opt -passes='default<O3>'):
target datalayout = "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-i128:128-f80:128-n8:16:32:64-S128"
target triple = "x86_64-unknown-linux-gnu"

%"class.std::basic_ostream" = type { ptr, %"class.std::basic_ios" }
%"class.std::basic_ios" = type { %"class.std::ios_base", ptr, i8, i8, ptr, ptr, ptr, ptr }
%"class.std::ios_base" = type { ptr, i64, i64, i32, i32, i32, ptr, %"struct.std::ios_base::_Words", [8 x %"struct.std::ios_base::_Words"], i32, ptr, %"class.std::locale" }
%"struct.std::ios_base::_Words" = type { ptr, i64 }
%"class.std::locale" = type { ptr }
%"class.std::unique_lock" = type <{ ptr, i8, [7 x i8] }>
%"class.std::unordered_set" = type { %"class.std::_Hashtable" }
%"class.std::_Hashtable" = type { ptr, i64, %"struct.std::__detail::_Hash_node_base", i64, %"struct.std::__detail::_Prime_rehash_policy", ptr }
%"struct.std::__detail::_Hash_node_base" = type { ptr }
%"struct.std::__detail::_Prime_rehash_policy" = type { float, i64 }
%"struct.std::__detail::_Node_iterator.21" = type { %"struct.std::__detail::_Node_iterator_base.22" }
%"struct.std::__detail::_Node_iterator_base.22" = type { ptr }

@_ZSt4cerr = external global %"class.std::basic_ostream", align 8
@.str.3 = external hidden unnamed_addr constant [14 x i8], align 1
@.str.4 = external hidden unnamed_addr constant [8 x i8], align 1
@.str.5 = external hidden unnamed_addr constant [13 x i8], align 1

declare i32 @__gxx_personality_v0(...)

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local void @_ZNSt13unordered_setIP20GarbageCollectedBaseSt4hashIS1_ESt8equal_toIS1_ESaIS1_EED2Ev(ptr noundef nonnull align 8 dereferenceable(56)) unnamed_addr #0 align 2

; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #1

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt11unique_lockISt5mutexEC2ERS0_(ptr noundef nonnull align 8 dereferenceable(9), ptr noundef nonnull align 8 dereferenceable(40)) unnamed_addr #2 align 2

; Function Attrs: inlinehint mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef) local_unnamed_addr #3

; Function Attrs: mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef) local_unnamed_addr #2 align 2

; Function Attrs: inlinehint mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_(ptr noundef nonnull align 8 dereferenceable(8)) #3

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZN6TinyGC10SetGCPhaseENS_7GCPhaseE(ptr noundef nonnull align 8 dereferenceable(220), i32 noundef) local_unnamed_addr #4 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZN7Visitor7SetMarkEb(ptr noundef nonnull align 1 dereferenceable(1), i1 noundef zeroext) local_unnamed_addr #4 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_ZNSt8__detailneERKNS_19_Node_iterator_baseIP20GarbageCollectedBaseLb0EEES5_(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #4

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt13unordered_setIP20GarbageCollectedBaseSt4hashIS1_ESt8equal_toIS1_ESaIS1_EE3endEv(ptr noundef nonnull align 8 dereferenceable(56)) local_unnamed_addr #4 align 2

; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #1

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZN7Visitor8ObjTraceEP20GarbageCollectedBase(ptr noundef nonnull align 1 dereferenceable(1), ptr noundef) local_unnamed_addr #2 align 2

; Function Attrs: mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPKv(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef) local_unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt11unique_lockISt5mutexED2Ev(ptr noundef nonnull align 8 dereferenceable(9)) unnamed_addr #4 align 2

; Function Attrs: mustprogress uwtable
define dso_local void @_ZN6TinyGC5SweepEv(ptr noundef nonnull align 8 dereferenceable(220) %0) local_unnamed_addr #2 align 2 personality ptr @__gxx_personality_v0 {
  %2 = alloca %"class.std::unique_lock", align 8
  %3 = alloca %"class.std::unordered_set", align 8
  %4 = alloca %"struct.std::__detail::_Node_iterator.21", align 8
  %5 = alloca %"struct.std::__detail::_Node_iterator.21", align 8
  call void @llvm.lifetime.start.p0(i64 16, ptr nonnull %2) #5
  %6 = getelementptr inbounds i8, ptr %0, i64 112
  call void @_ZNSt11unique_lockISt5mutexEC2ERS0_(ptr noundef nonnull align 8 dereferenceable(9) %2, ptr noundef nonnull align 8 dereferenceable(40) %6)
  %7 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cerr, ptr noundef nonnull @.str.3)
          to label %8 unwind label %19

8:                                                ; preds = %1
  %9 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) %7, ptr noundef nonnull @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
          to label %10 unwind label %19

10:                                               ; preds = %8
  call void @_ZN6TinyGC10SetGCPhaseENS_7GCPhaseE(ptr noundef nonnull align 8 dereferenceable(220) %0, i32 noundef 2)
  %11 = getelementptr inbounds i8, ptr %0, i64 192
  %12 = load ptr, ptr %11, align 8, !tbaa !5
  call void @_ZN7Visitor7SetMarkEb(ptr noundef nonnull align 1 dereferenceable(1) %12, i1 noundef zeroext false)
  call void @llvm.lifetime.start.p0(i64 56, ptr nonnull %3) #5
  invoke void @_ZNSt13unordered_setIP20GarbageCollectedBaseSt4hashIS1_ESt8equal_toIS1_ESaIS1_EEC2ERKS7_(ptr noundef nonnull align 8 dereferenceable(56) %3, ptr noundef nonnull align 8 dereferenceable(56) %0)
          to label %13 unwind label %21

13:                                               ; preds = %10
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %4) #5
  %14 = call ptr @_ZNSt13unordered_setIP20GarbageCollectedBaseSt4hashIS1_ESt8equal_toIS1_ESaIS1_EE5beginEv(ptr noundef nonnull align 8 dereferenceable(56) %3) #5
  store ptr %14, ptr %4, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %5) #5
  %15 = call ptr @_ZNSt13unordered_setIP20GarbageCollectedBaseSt4hashIS1_ESt8equal_toIS1_ESaIS1_EE3endEv(ptr noundef nonnull align 8 dereferenceable(56) %3) #5
  store ptr %15, ptr %5, align 8
  %16 = call noundef zeroext i1 @_ZNSt8__detailneERKNS_19_Node_iterator_baseIP20GarbageCollectedBaseLb0EEES5_(ptr noundef nonnull align 8 dereferenceable(8) %4, ptr noundef nonnull align 8 dereferenceable(8) %5) #5
  br i1 %16, label %.lr.ph, label %._crit_edge

.lr.ph:                                           ; preds = %13
  %17 = getelementptr inbounds i8, ptr %0, i64 204
  %18 = getelementptr inbounds i8, ptr %0, i64 208
  br label %23

._crit_edge:                                      ; preds = %58, %13
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %5) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %4) #5
  call void @_ZN6TinyGC10SetGCPhaseENS_7GCPhaseE(ptr noundef nonnull align 8 dereferenceable(220) %0, i32 noundef 0)
  call void @_ZNSt13unordered_setIP20GarbageCollectedBaseSt4hashIS1_ESt8equal_toIS1_ESaIS1_EED2Ev(ptr noundef nonnull align 8 dereferenceable(56) %3) #5
  call void @llvm.lifetime.end.p0(i64 56, ptr nonnull %3) #5
  call void @_ZNSt11unique_lockISt5mutexED2Ev(ptr noundef nonnull align 8 dereferenceable(9) %2) #5
  call void @llvm.lifetime.end.p0(i64 16, ptr nonnull %2) #5
  ret void

19:                                               ; preds = %8, %1
  %20 = landingpad { ptr, i32 }
          cleanup
  br label %62

21:                                               ; preds = %10
  %22 = landingpad { ptr, i32 }
          cleanup
  br label %61

23:                                               ; preds = %.lr.ph, %58
  %24 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNKSt8__detail14_Node_iteratorIP20GarbageCollectedBaseLb1ELb0EEdeEv(ptr noundef nonnull align 8 dereferenceable(8) %4) #5
  %25 = load ptr, ptr %24, align 8, !tbaa !22
  %26 = getelementptr inbounds i8, ptr %25, i64 8
  %27 = load i8, ptr %26, align 8, !tbaa !23, !range !26, !noundef !27
  %28 = trunc nuw i8 %27 to i1
  br i1 %28, label %56, label %29

29:                                               ; preds = %23
  %30 = invoke noundef i64 @_ZNSt13unordered_setIP20GarbageCollectedBaseSt4hashIS1_ESt8equal_toIS1_ESaIS1_EE5eraseERKS1_(ptr noundef nonnull align 8 dereferenceable(56) %0, ptr noundef nonnull align 8 dereferenceable(8) %24)
          to label %31 unwind label %54

31:                                               ; preds = %29
  %32 = load ptr, ptr %24, align 8, !tbaa !22
  %33 = getelementptr inbounds i8, ptr %32, i64 12
  %34 = load i32, ptr %33, align 4, !tbaa !28
  %35 = load i32, ptr %17, align 4, !tbaa !29
  %36 = sub nsw i32 %35, %34
  store i32 %36, ptr %17, align 4, !tbaa !29
  %37 = load i32, ptr %18, align 8, !tbaa !30
  %38 = add nsw i32 %37, -1
  store i32 %38, ptr %18, align 8, !tbaa !30
  %39 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cerr, ptr noundef nonnull @.str.4)
          to label %40 unwind label %54

40:                                               ; preds = %31
  %41 = load ptr, ptr %24, align 8, !tbaa !22
  %42 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPKv(ptr noundef nonnull align 8 dereferenceable(8) %39, ptr noundef %41)
          to label %43 unwind label %54

43:                                               ; preds = %40
  %44 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) %42, ptr noundef nonnull @.str.5)
          to label %45 unwind label %54

45:                                               ; preds = %43
  %46 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) %44, ptr noundef nonnull @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
          to label %47 unwind label %54

47:                                               ; preds = %45
  %48 = load ptr, ptr %24, align 8, !tbaa !22
  %49 = icmp eq ptr %48, null
  br i1 %49, label %58, label %50

50:                                               ; preds = %47
  %51 = load ptr, ptr %48, align 8, !tbaa !31
  %52 = getelementptr inbounds i8, ptr %51, i64 16
  %53 = load ptr, ptr %52, align 8
  call void %53(ptr noundef nonnull align 8 dereferenceable(16) %48) #5
  br label %58

54:                                               ; preds = %56, %45, %43, %40, %31, %29
  %55 = landingpad { ptr, i32 }
          cleanup
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %5) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %4) #5
  call void @_ZNSt13unordered_setIP20GarbageCollectedBaseSt4hashIS1_ESt8equal_toIS1_ESaIS1_EED2Ev(ptr noundef nonnull align 8 dereferenceable(56) %3) #5
  br label %61

56:                                               ; preds = %23
  %57 = load ptr, ptr %11, align 8, !tbaa !5
  invoke void @_ZN7Visitor8ObjTraceEP20GarbageCollectedBase(ptr noundef nonnull align 1 dereferenceable(1) %57, ptr noundef nonnull %25)
          to label %58 unwind label %54

58:                                               ; preds = %56, %47, %50
  %59 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt8__detail14_Node_iteratorIP20GarbageCollectedBaseLb1ELb0EEppEv(ptr noundef nonnull align 8 dereferenceable(8) %4) #5
  %60 = call noundef zeroext i1 @_ZNSt8__detailneERKNS_19_Node_iterator_baseIP20GarbageCollectedBaseLb0EEES5_(ptr noundef nonnull align 8 dereferenceable(8) %4, ptr noundef nonnull align 8 dereferenceable(8) %5) #5
  br i1 %60, label %23, label %._crit_edge

61:                                               ; preds = %54, %21
  %.pn = phi { ptr, i32 } [ %55, %54 ], [ %22, %21 ]
  call void @llvm.lifetime.end.p0(i64 56, ptr nonnull %3) #5
  br label %62

62:                                               ; preds = %61, %19
  %.pn.pn = phi { ptr, i32 } [ %.pn, %61 ], [ %20, %19 ]
  call void @_ZNSt11unique_lockISt5mutexED2Ev(ptr noundef nonnull align 8 dereferenceable(9) %2) #5
  call void @llvm.lifetime.end.p0(i64 16, ptr nonnull %2) #5
  resume { ptr, i32 } %.pn.pn
}

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt13unordered_setIP20GarbageCollectedBaseSt4hashIS1_ESt8equal_toIS1_ESaIS1_EEC2ERKS7_(ptr noundef nonnull align 8 dereferenceable(56), ptr noundef nonnull align 8 dereferenceable(56)) unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt13unordered_setIP20GarbageCollectedBaseSt4hashIS1_ESt8equal_toIS1_ESaIS1_EE5beginEv(ptr noundef nonnull align 8 dereferenceable(56)) local_unnamed_addr #4 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZNKSt8__detail14_Node_iteratorIP20GarbageCollectedBaseLb1ELb0EEdeEv(ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #4 align 2

; Function Attrs: mustprogress uwtable
declare dso_local noundef i64 @_ZNSt13unordered_setIP20GarbageCollectedBaseSt4hashIS1_ESt8equal_toIS1_ESaIS1_EE5eraseERKS1_(ptr noundef nonnull align 8 dereferenceable(56), ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt8__detail14_Node_iteratorIP20GarbageCollectedBaseLb1ELb0EEppEv(ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #4 align 2

attributes #0 = { inlinehint mustprogress nounwind uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #1 = { mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #2 = { mustprogress uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #3 = { inlinehint mustprogress uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #4 = { mustprogress nounwind uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #5 = { nounwind }

!llvm.module.flags = !{!0, !1, !2, !3}
!llvm.ident = !{!4}

!0 = !{i32 1, !"wchar_size", i32 4}
!1 = !{i32 8, !"PIC Level", i32 2}
!2 = !{i32 7, !"PIE Level", i32 2}
!3 = !{i32 7, !"uwtable", i32 2}
!4 = !{!"clang version 19.1.0 (git@github.com:llvm/llvm-project.git a4bf6cd7cfb1a1421ba92bca9d017b49936c55e4)"}
!5 = !{!6, !9, i64 192}
!6 = !{!"_ZTS6TinyGC", !7, i64 0, !16, i64 56, !18, i64 112, !18, i64 152, !9, i64 192, !20, i64 200, !21, i64 204, !21, i64 208, !21, i64 212, !21, i64 216}
!7 = !{!"_ZTSSt13unordered_setIP20GarbageCollectedBaseSt4hashIS1_ESt8equal_toIS1_ESaIS1_EE", !8, i64 0}
!8 = !{!"_ZTSSt10_HashtableIP20GarbageCollectedBaseS1_SaIS1_ENSt8__detail9_IdentityESt8equal_toIS1_ESt4hashIS1_ENS3_18_Mod_range_hashingENS3_20_Default_ranged_hashENS3_20_Prime_rehash_policyENS3_17_Hashtable_traitsILb0ELb1ELb1EEEE", !9, i64 0, !12, i64 8, !13, i64 16, !12, i64 24, !14, i64 32, !9, i64 48}
!9 = !{!"any pointer", !10, i64 0}
!10 = !{!"omnipotent char", !11, i64 0}
!11 = !{!"Simple C++ TBAA"}
!12 = !{!"long", !10, i64 0}
!13 = !{!"_ZTSNSt8__detail15_Hash_node_baseE", !9, i64 0}
!14 = !{!"_ZTSNSt8__detail20_Prime_rehash_policyE", !15, i64 0, !12, i64 8}
!15 = !{!"float", !10, i64 0}
!16 = !{!"_ZTSSt13unordered_mapINSt6thread2idEPN6TinyGC11ThreadStateESt4hashIS1_ESt8equal_toIS1_ESaISt4pairIKS1_S4_EEE", !17, i64 0}
!17 = !{!"_ZTSSt10_HashtableINSt6thread2idESt4pairIKS1_PN6TinyGC11ThreadStateEESaIS7_ENSt8__detail10_Select1stESt8equal_toIS1_ESt4hashIS1_ENS9_18_Mod_range_hashingENS9_20_Default_ranged_hashENS9_20_Prime_rehash_policyENS9_17_Hashtable_traitsILb0ELb0ELb1EEEE", !9, i64 0, !12, i64 8, !13, i64 16, !12, i64 24, !14, i64 32, !9, i64 48}
!18 = !{!"_ZTSSt5mutex", !19, i64 0}
!19 = !{!"_ZTSSt12__mutex_base", !10, i64 0}
!20 = !{!"_ZTSN6TinyGC7GCPhaseE", !10, i64 0}
!21 = !{!"int", !10, i64 0}
!22 = !{!9, !9, i64 0}
!23 = !{!24, !25, i64 8}
!24 = !{!"_ZTS20GarbageCollectedBase", !25, i64 8, !21, i64 12}
!25 = !{!"bool", !10, i64 0}
!26 = !{i8 0, i8 2}
!27 = !{}
!28 = !{!24, !21, i64 12}
!29 = !{!6, !21, i64 204}
!30 = !{!6, !21, i64 208}
!31 = !{!32, !32, i64 0}
!32 = !{!"vtable pointer", !11, i64 0}


; Effective O3 passes: CorrelatedValuePropagationPass,EarlyCSEPass,GlobalOptPass,IPSCCPPass,InferFunctionAttrsPass,InstCombinePass,JumpThreadingPass,LICMPass,LoopRotatePass,LoopSimplifyPass,LoopUnrollPass,SROAPass,SimplifyCFGPass