; LLVM IR from UtkarshPathrabe/Competitive-Coding :: Model Algorithms/Graphs (Topological Sort)

; 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::vector" = type { %"struct.std::_Vector_base" }
%"struct.std::_Vector_base" = type { %"struct.std::_Vector_base<Nodes, std::allocator<Nodes>>::_Vector_impl" }
%"struct.std::_Vector_base<Nodes, std::allocator<Nodes>>::_Vector_impl" = type { %"struct.std::_Vector_base<Nodes, std::allocator<Nodes>>::_Vector_impl_data" }
%"struct.std::_Vector_base<Nodes, std::allocator<Nodes>>::_Vector_impl_data" = type { ptr, ptr, ptr }
%"class.std::vector.0" = type { %"struct.std::_Vector_base.1" }
%"struct.std::_Vector_base.1" = type { %"struct.std::_Vector_base<Edges, std::allocator<Edges>>::_Vector_impl" }
%"struct.std::_Vector_base<Edges, std::allocator<Edges>>::_Vector_impl" = type { %"struct.std::_Vector_base<Edges, std::allocator<Edges>>::_Vector_impl_data" }
%"struct.std::_Vector_base<Edges, std::allocator<Edges>>::_Vector_impl_data" = type { ptr, ptr, ptr }
%"class.std::__cxx11::list" = type { %"class.std::__cxx11::_List_base" }
%"class.std::__cxx11::_List_base" = type { %"struct.std::__cxx11::_List_base<int, std::allocator<int>>::_List_impl" }
%"struct.std::__cxx11::_List_base<int, std::allocator<int>>::_List_impl" = type { %"struct.std::__detail::_List_node_header" }
%"struct.std::__detail::_List_node_header" = type { %"struct.std::__detail::_List_node_base", i64 }
%"struct.std::__detail::_List_node_base" = type { ptr, ptr }
%"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::basic_istream" = type { ptr, i64, %"class.std::basic_ios" }
%struct.Nodes = type { i32, i32 }
%struct.Edges = type { i32, i32 }
%"class.__gnu_cxx::__normal_iterator.8" = type { ptr }
%"class.__gnu_cxx::__normal_iterator" = type { ptr }
%"class.__gnu_cxx::__normal_iterator.10" = type { ptr }
%"class.__gnu_cxx::__normal_iterator.9" = type { ptr }
%"struct.std::_List_const_iterator" = type { ptr }
%"struct.std::_List_iterator" = type { ptr }

@Node = external dso_local global %"class.std::vector", align 8
@Edge = external dso_local global %"class.std::vector.0", align 8
@_Z5QueueB5cxx11 = external dso_local global %"class.std::__cxx11::list", align 8
@n = external dso_local global i32, align 4
@_ZSt4cout = external global %"class.std::basic_ostream", align 8
@.str = external hidden unnamed_addr constant [36 x i8], align 1
@_ZSt3cin = external global %"class.std::basic_istream", align 8
@.str.4 = external hidden unnamed_addr constant [129 x i8], align 1
@.str.5 = external hidden unnamed_addr constant [24 x i8], align 1
@.str.6 = external hidden unnamed_addr constant [2 x i8], align 1

; Function Attrs: mustprogress norecurse uwtable
define dso_local noundef i32 @main() #0 {
  %1 = alloca i32, align 4
  %2 = alloca i32, align 4
  %3 = alloca i32, align 4
  %4 = alloca i32, align 4
  %5 = alloca %struct.Nodes, align 4
  %6 = alloca %struct.Edges, align 4
  %7 = alloca i32, align 4
  %8 = alloca i32, align 4
  %9 = alloca i32, align 4
  %10 = alloca %"class.__gnu_cxx::__normal_iterator.8", align 8
  %11 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %12 = alloca %"class.__gnu_cxx::__normal_iterator.8", align 8
  %13 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %14 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %15 = alloca %"class.__gnu_cxx::__normal_iterator.10", align 8
  %16 = alloca %"class.__gnu_cxx::__normal_iterator.9", align 8
  %17 = alloca %"class.__gnu_cxx::__normal_iterator.10", align 8
  %18 = alloca %"class.__gnu_cxx::__normal_iterator.9", align 8
  %19 = alloca %"class.__gnu_cxx::__normal_iterator.9", align 8
  %20 = alloca %"struct.std::_List_const_iterator", align 8
  %21 = alloca %"struct.std::_List_iterator", align 8
  %22 = alloca %"struct.std::_List_const_iterator", align 8
  %23 = alloca %"struct.std::_List_iterator", align 8
  %24 = alloca %"struct.std::_List_iterator", align 8
  store i32 0, ptr %1, align 4
  call void @llvm.lifetime.start.p0(i64 4, ptr %2) #6
  call void @llvm.lifetime.start.p0(i64 4, ptr %3) #6
  call void @llvm.lifetime.start.p0(i64 4, ptr %4) #6
  call void @llvm.lifetime.start.p0(i64 8, ptr %5) #6
  call void @llvm.lifetime.start.p0(i64 8, ptr %6) #6
  %25 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, ptr noundef @.str)
  %26 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) %25, ptr noundef @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
  %27 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 4 dereferenceable(4) @n)
  call void @llvm.lifetime.start.p0(i64 4, ptr %7) #6
  store i32 0, ptr %7, align 4, !tbaa !5
  br label %28

28:                                               ; preds = %36, %0
  %29 = load i32, ptr %7, align 4, !tbaa !5
  %30 = load i32, ptr @n, align 4, !tbaa !5
  %31 = icmp sle i32 %29, %30
  br i1 %31, label %33, label %32

32:                                               ; preds = %28
  call void @llvm.lifetime.end.p0(i64 4, ptr %7) #6
  br label %39

33:                                               ; preds = %28
  %34 = getelementptr inbounds %struct.Nodes, ptr %5, i32 0, i32 0
  store i32 0, ptr %34, align 4, !tbaa !9
  %35 = getelementptr inbounds %struct.Nodes, ptr %5, i32 0, i32 1
  store i32 -1, ptr %35, align 4, !tbaa !11
  call void @_ZNSt6vectorI5NodesSaIS0_EE9push_backERKS0_(ptr noundef nonnull align 8 dereferenceable(24) @Node, ptr noundef nonnull align 4 dereferenceable(8) %5)
  br label %36

36:                                               ; preds = %33
  %37 = load i32, ptr %7, align 4, !tbaa !5
  %38 = add nsw i32 %37, 1
  store i32 %38, ptr %7, align 4, !tbaa !5
  br label %28, !llvm.loop !12

39:                                               ; preds = %32
  %40 = getelementptr inbounds %struct.Edges, ptr %6, i32 0, i32 0
  store i32 -1, ptr %40, align 4, !tbaa !14
  %41 = getelementptr inbounds %struct.Edges, ptr %6, i32 0, i32 1
  store i32 -1, ptr %41, align 4, !tbaa !16
  call void @_ZNSt6vectorI5EdgesSaIS0_EE9push_backERKS0_(ptr noundef nonnull align 8 dereferenceable(24) @Edge, ptr noundef nonnull align 4 dereferenceable(8) %6)
  store i32 1, ptr %4, align 4, !tbaa !5
  %42 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, ptr noundef @.str.4)
  %43 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) %42, ptr noundef @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
  %44 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 4 dereferenceable(4) %2)
  %45 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) %44, ptr noundef nonnull align 4 dereferenceable(4) %3)
  br label %46

46:                                               ; preds = %70, %39
  %47 = load i32, ptr %3, align 4, !tbaa !5
  %48 = getelementptr inbounds %struct.Edges, ptr %6, i32 0, i32 0
  store i32 %47, ptr %48, align 4, !tbaa !14
  %49 = load i32, ptr %2, align 4, !tbaa !5
  %50 = sext i32 %49 to i64
  %51 = call noundef nonnull align 4 dereferenceable(8) ptr @_ZNSt6vectorI5NodesSaIS0_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) @Node, i64 noundef %50) #6
  %52 = getelementptr inbounds %struct.Nodes, ptr %51, i32 0, i32 1
  %53 = load i32, ptr %52, align 4, !tbaa !11
  %54 = getelementptr inbounds %struct.Edges, ptr %6, i32 0, i32 1
  store i32 %53, ptr %54, align 4, !tbaa !16
  call void @_ZNSt6vectorI5EdgesSaIS0_EE9push_backERKS0_(ptr noundef nonnull align 8 dereferenceable(24) @Edge, ptr noundef nonnull align 4 dereferenceable(8) %6)
  %55 = load i32, ptr %4, align 4, !tbaa !5
  %56 = load i32, ptr %2, align 4, !tbaa !5
  %57 = sext i32 %56 to i64
  %58 = call noundef nonnull align 4 dereferenceable(8) ptr @_ZNSt6vectorI5NodesSaIS0_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) @Node, i64 noundef %57) #6
  %59 = getelementptr inbounds %struct.Nodes, ptr %58, i32 0, i32 1
  store i32 %55, ptr %59, align 4, !tbaa !11
  %60 = load i32, ptr %3, align 4, !tbaa !5
  %61 = sext i32 %60 to i64
  %62 = call noundef nonnull align 4 dereferenceable(8) ptr @_ZNSt6vectorI5NodesSaIS0_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) @Node, i64 noundef %61) #6
  %63 = getelementptr inbounds %struct.Nodes, ptr %62, i32 0, i32 0
  %64 = load i32, ptr %63, align 4, !tbaa !9
  %65 = add nsw i32 %64, 1
  store i32 %65, ptr %63, align 4, !tbaa !9
  %66 = load i32, ptr %4, align 4, !tbaa !5
  %67 = add nsw i32 %66, 1
  store i32 %67, ptr %4, align 4, !tbaa !5
  %68 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 4 dereferenceable(4) %2)
  %69 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) %68, ptr noundef nonnull align 4 dereferenceable(4) %3)
  br label %70

70:                                               ; preds = %46
  %71 = load i32, ptr %2, align 4, !tbaa !5
  %72 = icmp ne i32 %71, -1
  br i1 %72, label %46, label %73, !llvm.loop !17

73:                                               ; preds = %70
  call void @llvm.lifetime.start.p0(i64 4, ptr %8) #6
  store i32 1, ptr %8, align 4, !tbaa !5
  br label %74

74:                                               ; preds = %88, %73
  %75 = load i32, ptr %8, align 4, !tbaa !5
  %76 = load i32, ptr @n, align 4, !tbaa !5
  %77 = icmp sle i32 %75, %76
  br i1 %77, label %79, label %78

78:                                               ; preds = %74
  call void @llvm.lifetime.end.p0(i64 4, ptr %8) #6
  br label %91

79:                                               ; preds = %74
  %80 = load i32, ptr %8, align 4, !tbaa !5
  %81 = sext i32 %80 to i64
  %82 = call noundef nonnull align 4 dereferenceable(8) ptr @_ZNSt6vectorI5NodesSaIS0_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) @Node, i64 noundef %81) #6
  %83 = getelementptr inbounds %struct.Nodes, ptr %82, i32 0, i32 0
  %84 = load i32, ptr %83, align 4, !tbaa !9
  %85 = icmp eq i32 %84, 0
  br i1 %85, label %86, label %87

86:                                               ; preds = %79
  call void @_ZNSt7__cxx114listIiSaIiEE9push_backERKi(ptr noundef nonnull align 8 dereferenceable(24) @_Z5QueueB5cxx11, ptr noundef nonnull align 4 dereferenceable(4) %8)
  br label %87

87:                                               ; preds = %86, %79
  br label %88

88:                                               ; preds = %87
  %89 = load i32, ptr %8, align 4, !tbaa !5
  %90 = add nsw i32 %89, 1
  store i32 %90, ptr %8, align 4, !tbaa !5
  br label %74, !llvm.loop !18

91:                                               ; preds = %78
  %92 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, ptr noundef @.str.5)
  %93 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) %92, ptr noundef @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
  br label %94

94:                                               ; preds = %145, %91
  %95 = call noundef zeroext i1 @_ZNKSt7__cxx114listIiSaIiEE5emptyEv(ptr noundef nonnull align 8 dereferenceable(24) @_Z5QueueB5cxx11) #6
  %96 = xor i1 %95, true
  br i1 %96, label %97, label %146

97:                                               ; preds = %94
  %98 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt7__cxx114listIiSaIiEE5frontEv(ptr noundef nonnull align 8 dereferenceable(24) @_Z5QueueB5cxx11) #6
  %99 = load i32, ptr %98, align 4, !tbaa !5
  store i32 %99, ptr %2, align 4, !tbaa !5
  %100 = load i32, ptr %2, align 4, !tbaa !5
  %101 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, i32 noundef %100)
  %102 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) %101, ptr noundef @.str.6)
  call void @_ZNSt7__cxx114listIiSaIiEE9pop_frontEv(ptr noundef nonnull align 8 dereferenceable(24) @_Z5QueueB5cxx11) #6
  call void @llvm.lifetime.start.p0(i64 4, ptr %9) #6
  %103 = load i32, ptr %2, align 4, !tbaa !5
  %104 = sext i32 %103 to i64
  %105 = call noundef nonnull align 4 dereferenceable(8) ptr @_ZNSt6vectorI5NodesSaIS0_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) @Node, i64 noundef %104) #6
  %106 = getelementptr inbounds %struct.Nodes, ptr %105, i32 0, i32 1
  %107 = load i32, ptr %106, align 4, !tbaa !11
  store i32 %107, ptr %9, align 4, !tbaa !5
  br label %108

108:                                              ; preds = %139, %97
  %109 = load i32, ptr %9, align 4, !tbaa !5
  %110 = icmp ne i32 %109, -1
  br i1 %110, label %112, label %111

111:                                              ; preds = %108
  call void @llvm.lifetime.end.p0(i64 4, ptr %9) #6
  br label %145

112:                                              ; preds = %108
  %113 = load i32, ptr %9, align 4, !tbaa !5
  %114 = sext i32 %113 to i64
  %115 = call noundef nonnull align 4 dereferenceable(8) ptr @_ZNSt6vectorI5EdgesSaIS0_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) @Edge, i64 noundef %114) #6
  %116 = getelementptr inbounds %struct.Edges, ptr %115, i32 0, i32 0
  %117 = load i32, ptr %116, align 4, !tbaa !14
  %118 = sext i32 %117 to i64
  %119 = call noundef nonnull align 4 dereferenceable(8) ptr @_ZNSt6vectorI5NodesSaIS0_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) @Node, i64 noundef %118) #6
  %120 = getelementptr inbounds %struct.Nodes, ptr %119, i32 0, i32 0
  %121 = load i32, ptr %120, align 4, !tbaa !9
  %122 = sub nsw i32 %121, 1
  store i32 %122, ptr %120, align 4, !tbaa !9
  %123 = load i32, ptr %9, align 4, !tbaa !5
  %124 = sext i32 %123 to i64
  %125 = call noundef nonnull align 4 dereferenceable(8) ptr @_ZNSt6vectorI5EdgesSaIS0_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) @Edge, i64 noundef %124) #6
  %126 = getelementptr inbounds %struct.Edges, ptr %125, i32 0, i32 0
  %127 = load i32, ptr %126, align 4, !tbaa !14
  %128 = sext i32 %127 to i64
  %129 = call noundef nonnull align 4 dereferenceable(8) ptr @_ZNSt6vectorI5NodesSaIS0_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) @Node, i64 noundef %128) #6
  %130 = getelementptr inbounds %struct.Nodes, ptr %129, i32 0, i32 0
  %131 = load i32, ptr %130, align 4, !tbaa !9
  %132 = icmp eq i32 %131, 0
  br i1 %132, label %133, label %138

133:                                              ; preds = %112
  %134 = load i32, ptr %9, align 4, !tbaa !5
  %135 = sext i32 %134 to i64
  %136 = call noundef nonnull align 4 dereferenceable(8) ptr @_ZNSt6vectorI5EdgesSaIS0_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) @Edge, i64 noundef %135) #6
  %137 = getelementptr inbounds %struct.Edges, ptr %136, i32 0, i32 0
  call void @_ZNSt7__cxx114listIiSaIiEE9push_backERKi(ptr noundef nonnull align 8 dereferenceable(24) @_Z5QueueB5cxx11, ptr noundef nonnull align 4 dereferenceable(4) %137)
  br label %138

138:                                              ; preds = %133, %112
  br label %139

139:                                              ; preds = %138
  %140 = load i32, ptr %9, align 4, !tbaa !5
  %141 = sext i32 %140 to i64
  %142 = call noundef nonnull align 4 dereferenceable(8) ptr @_ZNSt6vectorI5EdgesSaIS0_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) @Edge, i64 noundef %141) #6
  %143 = getelementptr inbounds %struct.Edges, ptr %142, i32 0, i32 1
  %144 = load i32, ptr %143, align 4, !tbaa !16
  store i32 %144, ptr %9, align 4, !tbaa !5
  br label %108, !llvm.loop !19

145:                                              ; preds = %111
  br label %94, !llvm.loop !20

146:                                              ; preds = %94
  %147 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, ptr noundef @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
  call void @llvm.lifetime.start.p0(i64 8, ptr %11) #6
  %148 = call ptr @_ZNSt6vectorI5NodesSaIS0_EE5beginEv(ptr noundef nonnull align 8 dereferenceable(24) @Node) #6
  %149 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %11, i32 0, i32 0
  store ptr %148, ptr %149, align 8
  call void @_ZN9__gnu_cxx17__normal_iteratorIPK5NodesSt6vectorIS1_SaIS1_EEEC2IPS1_vEERKNS0_IT_S6_EE(ptr noundef nonnull align 8 dereferenceable(8) %10, ptr noundef nonnull align 8 dereferenceable(8) %11) #6
  call void @llvm.lifetime.start.p0(i64 8, ptr %13) #6
  %150 = call ptr @_ZNSt6vectorI5NodesSaIS0_EE3endEv(ptr noundef nonnull align 8 dereferenceable(24) @Node) #6
  %151 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %13, i32 0, i32 0
  store ptr %150, ptr %151, align 8
  call void @_ZN9__gnu_cxx17__normal_iteratorIPK5NodesSt6vectorIS1_SaIS1_EEEC2IPS1_vEERKNS0_IT_S6_EE(ptr noundef nonnull align 8 dereferenceable(8) %12, ptr noundef nonnull align 8 dereferenceable(8) %13) #6
  %152 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator.8", ptr %10, i32 0, i32 0
  %153 = load ptr, ptr %152, align 8
  %154 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator.8", ptr %12, i32 0, i32 0
  %155 = load ptr, ptr %154, align 8
  %156 = call ptr @_ZNSt6vectorI5NodesSaIS0_EE5eraseEN9__gnu_cxx17__normal_iteratorIPKS0_S2_EES7_(ptr noundef nonnull align 8 dereferenceable(24) @Node, ptr %153, ptr %155)
  %157 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %14, i32 0, i32 0
  store ptr %156, ptr %157, align 8
  call void @llvm.lifetime.end.p0(i64 8, ptr %13) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr %11) #6
  call void @llvm.lifetime.start.p0(i64 8, ptr %16) #6
  %158 = call ptr @_ZNSt6vectorI5EdgesSaIS0_EE5beginEv(ptr noundef nonnull align 8 dereferenceable(24) @Edge) #6
  %159 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator.9", ptr %16, i32 0, i32 0
  store ptr %158, ptr %159, align 8
  call void @_ZN9__gnu_cxx17__normal_iteratorIPK5EdgesSt6vectorIS1_SaIS1_EEEC2IPS1_vEERKNS0_IT_S6_EE(ptr noundef nonnull align 8 dereferenceable(8) %15, ptr noundef nonnull align 8 dereferenceable(8) %16) #6
  call void @llvm.lifetime.start.p0(i64 8, ptr %18) #6
  %160 = call ptr @_ZNSt6vectorI5EdgesSaIS0_EE3endEv(ptr noundef nonnull align 8 dereferenceable(24) @Edge) #6
  %161 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator.9", ptr %18, i32 0, i32 0
  store ptr %160, ptr %161, align 8
  call void @_ZN9__gnu_cxx17__normal_iteratorIPK5EdgesSt6vectorIS1_SaIS1_EEEC2IPS1_vEERKNS0_IT_S6_EE(ptr noundef nonnull align 8 dereferenceable(8) %17, ptr noundef nonnull align 8 dereferenceable(8) %18) #6
  %162 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator.10", ptr %15, i32 0, i32 0
  %163 = load ptr, ptr %162, align 8
  %164 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator.10", ptr %17, i32 0, i32 0
  %165 = load ptr, ptr %164, align 8
  %166 = call ptr @_ZNSt6vectorI5EdgesSaIS0_EE5eraseEN9__gnu_cxx17__normal_iteratorIPKS0_S2_EES7_(ptr noundef nonnull align 8 dereferenceable(24) @Edge, ptr %163, ptr %165)
  %167 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator.9", ptr %19, i32 0, i32 0
  store ptr %166, ptr %167, align 8
  call void @llvm.lifetime.end.p0(i64 8, ptr %18) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr %16) #6
  call void @llvm.lifetime.start.p0(i64 8, ptr %21) #6
  %168 = call ptr @_ZNSt7__cxx114listIiSaIiEE5beginEv(ptr noundef nonnull align 8 dereferenceable(24) @_Z5QueueB5cxx11) #6
  %169 = getelementptr inbounds %"struct.std::_List_iterator", ptr %21, i32 0, i32 0
  store ptr %168, ptr %169, align 8
  call void @_ZNSt20_List_const_iteratorIiEC2ERKSt14_List_iteratorIiE(ptr noundef nonnull align 8 dereferenceable(8) %20, ptr noundef nonnull align 8 dereferenceable(8) %21) #6
  call void @llvm.lifetime.start.p0(i64 8, ptr %23) #6
  %170 = call ptr @_ZNSt7__cxx114listIiSaIiEE3endEv(ptr noundef nonnull align 8 dereferenceable(24) @_Z5QueueB5cxx11) #6
  %171 = getelementptr inbounds %"struct.std::_List_iterator", ptr %23, i32 0, i32 0
  store ptr %170, ptr %171, align 8
  call void @_ZNSt20_List_const_iteratorIiEC2ERKSt14_List_iteratorIiE(ptr noundef nonnull align 8 dereferenceable(8) %22, ptr noundef nonnull align 8 dereferenceable(8) %23) #6
  %172 = getelementptr inbounds %"struct.std::_List_const_iterator", ptr %20, i32 0, i32 0
  %173 = load ptr, ptr %172, align 8
  %174 = getelementptr inbounds %"struct.std::_List_const_iterator", ptr %22, i32 0, i32 0
  %175 = load ptr, ptr %174, align 8
  %176 = call ptr @_ZNSt7__cxx114listIiSaIiEE5eraseESt20_List_const_iteratorIiES4_(ptr noundef nonnull align 8 dereferenceable(24) @_Z5QueueB5cxx11, ptr %173, ptr %175) #6
  %177 = getelementptr inbounds %"struct.std::_List_iterator", ptr %24, i32 0, i32 0
  store ptr %176, ptr %177, align 8
  call void @llvm.lifetime.end.p0(i64 8, ptr %23) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr %21) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr %6) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr %5) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr %4) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr %3) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr %2) #6
  ret i32 0
}

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

; 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) #2

; Function Attrs: mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef) #3 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)) #2

declare noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16), ptr noundef nonnull align 4 dereferenceable(4)) #4

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorI5NodesSaIS0_EE9push_backERKS0_(ptr noundef nonnull align 8 dereferenceable(24), ptr noundef nonnull align 4 dereferenceable(8)) #3 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 @_ZNSt6vectorI5EdgesSaIS0_EE9push_backERKS0_(ptr noundef nonnull align 8 dereferenceable(24), ptr noundef nonnull align 4 dereferenceable(8)) #3 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 4 dereferenceable(8) ptr @_ZNSt6vectorI5NodesSaIS0_EEixEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) #5 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt7__cxx114listIiSaIiEE9push_backERKi(ptr noundef nonnull align 8 dereferenceable(24), ptr noundef nonnull align 4 dereferenceable(4)) #3 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_ZNKSt7__cxx114listIiSaIiEE5emptyEv(ptr noundef nonnull align 8 dereferenceable(24)) #5 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt7__cxx114listIiSaIiEE5frontEv(ptr noundef nonnull align 8 dereferenceable(24)) #5 align 2

declare noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8), i32 noundef) #4

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt7__cxx114listIiSaIiEE9pop_frontEv(ptr noundef nonnull align 8 dereferenceable(24)) #5 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 4 dereferenceable(8) ptr @_ZNSt6vectorI5EdgesSaIS0_EEixEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) #5 align 2

; Function Attrs: mustprogress uwtable
declare dso_local ptr @_ZNSt6vectorI5NodesSaIS0_EE5eraseEN9__gnu_cxx17__normal_iteratorIPKS0_S2_EES7_(ptr noundef nonnull align 8 dereferenceable(24), ptr, ptr) #3 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt6vectorI5NodesSaIS0_EE5beginEv(ptr noundef nonnull align 8 dereferenceable(24)) #5 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZN9__gnu_cxx17__normal_iteratorIPK5NodesSt6vectorIS1_SaIS1_EEEC2IPS1_vEERKNS0_IT_S6_EE(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef nonnull align 8 dereferenceable(8)) unnamed_addr #5 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt6vectorI5NodesSaIS0_EE3endEv(ptr noundef nonnull align 8 dereferenceable(24)) #5 align 2

; Function Attrs: mustprogress uwtable
declare dso_local ptr @_ZNSt6vectorI5EdgesSaIS0_EE5eraseEN9__gnu_cxx17__normal_iteratorIPKS0_S2_EES7_(ptr noundef nonnull align 8 dereferenceable(24), ptr, ptr) #3 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt6vectorI5EdgesSaIS0_EE5beginEv(ptr noundef nonnull align 8 dereferenceable(24)) #5 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZN9__gnu_cxx17__normal_iteratorIPK5EdgesSt6vectorIS1_SaIS1_EEEC2IPS1_vEERKNS0_IT_S6_EE(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef nonnull align 8 dereferenceable(8)) unnamed_addr #5 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt6vectorI5EdgesSaIS0_EE3endEv(ptr noundef nonnull align 8 dereferenceable(24)) #5 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt7__cxx114listIiSaIiEE5eraseESt20_List_const_iteratorIiES4_(ptr noundef nonnull align 8 dereferenceable(24), ptr, ptr) #5 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt7__cxx114listIiSaIiEE5beginEv(ptr noundef nonnull align 8 dereferenceable(24)) #5 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt20_List_const_iteratorIiEC2ERKSt14_List_iteratorIiE(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef nonnull align 8 dereferenceable(8)) unnamed_addr #5 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt7__cxx114listIiSaIiEE3endEv(ptr noundef nonnull align 8 dereferenceable(24)) #5 align 2

attributes #0 = { mustprogress norecurse 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 = { 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 #3 = { 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 = { "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 = { 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 #6 = { 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 = !{!"int", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}
!9 = !{!10, !6, i64 0}
!10 = !{!"_ZTS5Nodes", !6, i64 0, !6, i64 4}
!11 = !{!10, !6, i64 4}
!12 = distinct !{!12, !13}
!13 = !{!"llvm.loop.mustprogress"}
!14 = !{!15, !6, i64 0}
!15 = !{!"_ZTS5Edges", !6, i64 0, !6, i64 4}
!16 = !{!15, !6, i64 4}
!17 = distinct !{!17, !13}
!18 = distinct !{!18, !13}
!19 = distinct !{!19, !13}
!20 = distinct !{!20, !13}


; 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::vector" = type { %"struct.std::_Vector_base" }
%"struct.std::_Vector_base" = type { %"struct.std::_Vector_base<Nodes, std::allocator<Nodes>>::_Vector_impl" }
%"struct.std::_Vector_base<Nodes, std::allocator<Nodes>>::_Vector_impl" = type { %"struct.std::_Vector_base<Nodes, std::allocator<Nodes>>::_Vector_impl_data" }
%"struct.std::_Vector_base<Nodes, std::allocator<Nodes>>::_Vector_impl_data" = type { ptr, ptr, ptr }
%"class.std::vector.0" = type { %"struct.std::_Vector_base.1" }
%"struct.std::_Vector_base.1" = type { %"struct.std::_Vector_base<Edges, std::allocator<Edges>>::_Vector_impl" }
%"struct.std::_Vector_base<Edges, std::allocator<Edges>>::_Vector_impl" = type { %"struct.std::_Vector_base<Edges, std::allocator<Edges>>::_Vector_impl_data" }
%"struct.std::_Vector_base<Edges, std::allocator<Edges>>::_Vector_impl_data" = type { ptr, ptr, ptr }
%"class.std::__cxx11::list" = type { %"class.std::__cxx11::_List_base" }
%"class.std::__cxx11::_List_base" = type { %"struct.std::__cxx11::_List_base<int, std::allocator<int>>::_List_impl" }
%"struct.std::__cxx11::_List_base<int, std::allocator<int>>::_List_impl" = type { %"struct.std::__detail::_List_node_header" }
%"struct.std::__detail::_List_node_header" = type { %"struct.std::__detail::_List_node_base", i64 }
%"struct.std::__detail::_List_node_base" = type { ptr, ptr }
%"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::basic_istream" = type { ptr, i64, %"class.std::basic_ios" }
%struct.Nodes = type { i32, i32 }
%struct.Edges = type { i32, i32 }
%"class.__gnu_cxx::__normal_iterator.8" = type { ptr }
%"class.__gnu_cxx::__normal_iterator" = type { ptr }
%"class.__gnu_cxx::__normal_iterator.10" = type { ptr }
%"class.__gnu_cxx::__normal_iterator.9" = type { ptr }
%"struct.std::_List_const_iterator" = type { ptr }
%"struct.std::_List_iterator" = type { ptr }

@Node = external dso_local global %"class.std::vector", align 8
@Edge = external dso_local global %"class.std::vector.0", align 8
@_Z5QueueB5cxx11 = external dso_local global %"class.std::__cxx11::list", align 8
@n = external dso_local global i32, align 4
@_ZSt4cout = external global %"class.std::basic_ostream", align 8
@.str = external hidden unnamed_addr constant [36 x i8], align 1
@_ZSt3cin = external global %"class.std::basic_istream", align 8
@.str.4 = external hidden unnamed_addr constant [129 x i8], align 1
@.str.5 = external hidden unnamed_addr constant [24 x i8], align 1
@.str.6 = external hidden unnamed_addr constant [2 x i8], align 1

; Function Attrs: mustprogress norecurse uwtable
define dso_local noundef i32 @main() local_unnamed_addr #0 {
  %1 = alloca i32, align 4
  %2 = alloca i32, align 4
  %3 = alloca %struct.Nodes, align 4
  %4 = alloca %struct.Edges, align 4
  %5 = alloca i32, align 4
  %6 = alloca %"class.__gnu_cxx::__normal_iterator.8", align 8
  %7 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %8 = alloca %"class.__gnu_cxx::__normal_iterator.8", align 8
  %9 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %10 = alloca %"class.__gnu_cxx::__normal_iterator.10", align 8
  %11 = alloca %"class.__gnu_cxx::__normal_iterator.9", align 8
  %12 = alloca %"class.__gnu_cxx::__normal_iterator.10", align 8
  %13 = alloca %"class.__gnu_cxx::__normal_iterator.9", align 8
  %14 = alloca %"struct.std::_List_const_iterator", align 8
  %15 = alloca %"struct.std::_List_iterator", align 8
  %16 = alloca %"struct.std::_List_const_iterator", align 8
  %17 = alloca %"struct.std::_List_iterator", align 8
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %1) #6
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %2) #6
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %3) #6
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %4) #6
  %18 = tail call noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, ptr noundef nonnull @.str)
  %19 = tail call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) %18, ptr noundef nonnull @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
  %20 = tail call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 4 dereferenceable(4) @n)
  %21 = load i32, ptr @n, align 4, !tbaa !5
  %.not17 = icmp slt i32 %21, 0
  br i1 %.not17, label %._crit_edge, label %.lr.ph

.lr.ph:                                           ; preds = %0
  %22 = getelementptr inbounds i8, ptr %3, i64 4
  br label %28

._crit_edge:                                      ; preds = %28, %0
  store i32 -1, ptr %4, align 4, !tbaa !9
  %23 = getelementptr inbounds i8, ptr %4, i64 4
  store i32 -1, ptr %23, align 4, !tbaa !11
  call void @_ZNSt6vectorI5EdgesSaIS0_EE9push_backERKS0_(ptr noundef nonnull align 8 dereferenceable(24) @Edge, ptr noundef nonnull align 4 dereferenceable(8) %4)
  %24 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, ptr noundef nonnull @.str.4)
  %25 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) %24, ptr noundef nonnull @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
  %26 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 4 dereferenceable(4) %1)
  %27 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) %26, ptr noundef nonnull align 4 dereferenceable(4) %2)
  %.pre = load i32, ptr %1, align 4, !tbaa !5
  br label %31

28:                                               ; preds = %.lr.ph, %28
  %.01118 = phi i32 [ 0, %.lr.ph ], [ %29, %28 ]
  store i32 0, ptr %3, align 4, !tbaa !12
  store i32 -1, ptr %22, align 4, !tbaa !14
  call void @_ZNSt6vectorI5NodesSaIS0_EE9push_backERKS0_(ptr noundef nonnull align 8 dereferenceable(24) @Node, ptr noundef nonnull align 4 dereferenceable(8) %3)
  %29 = add nuw nsw i32 %.01118, 1
  %30 = load i32, ptr @n, align 4, !tbaa !5
  %.not.not = icmp slt i32 %.01118, %30
  br i1 %.not.not, label %28, label %._crit_edge, !llvm.loop !15

31:                                               ; preds = %31, %._crit_edge
  %32 = phi i32 [ %.pre, %._crit_edge ], [ %50, %31 ]
  %.0 = phi i32 [ 1, %._crit_edge ], [ %47, %31 ]
  %33 = load i32, ptr %2, align 4, !tbaa !5
  store i32 %33, ptr %4, align 4, !tbaa !9
  %34 = sext i32 %32 to i64
  %35 = call noundef nonnull align 4 dereferenceable(8) ptr @_ZNSt6vectorI5NodesSaIS0_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) @Node, i64 noundef %34) #6
  %36 = getelementptr inbounds i8, ptr %35, i64 4
  %37 = load i32, ptr %36, align 4, !tbaa !14
  store i32 %37, ptr %23, align 4, !tbaa !11
  call void @_ZNSt6vectorI5EdgesSaIS0_EE9push_backERKS0_(ptr noundef nonnull align 8 dereferenceable(24) @Edge, ptr noundef nonnull align 4 dereferenceable(8) %4)
  %38 = load i32, ptr %1, align 4, !tbaa !5
  %39 = sext i32 %38 to i64
  %40 = call noundef nonnull align 4 dereferenceable(8) ptr @_ZNSt6vectorI5NodesSaIS0_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) @Node, i64 noundef %39) #6
  %41 = getelementptr inbounds i8, ptr %40, i64 4
  store i32 %.0, ptr %41, align 4, !tbaa !14
  %42 = load i32, ptr %2, align 4, !tbaa !5
  %43 = sext i32 %42 to i64
  %44 = call noundef nonnull align 4 dereferenceable(8) ptr @_ZNSt6vectorI5NodesSaIS0_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) @Node, i64 noundef %43) #6
  %45 = load i32, ptr %44, align 4, !tbaa !12
  %46 = add nsw i32 %45, 1
  store i32 %46, ptr %44, align 4, !tbaa !12
  %47 = add nuw nsw i32 %.0, 1
  %48 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 4 dereferenceable(4) %1)
  %49 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) %48, ptr noundef nonnull align 4 dereferenceable(4) %2)
  %50 = load i32, ptr %1, align 4, !tbaa !5
  %.not14 = icmp eq i32 %50, -1
  br i1 %.not14, label %51, label %31, !llvm.loop !17

51:                                               ; preds = %31
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %5) #6
  store i32 1, ptr %5, align 4, !tbaa !5
  %52 = load i32, ptr @n, align 4, !tbaa !5
  %.not1519 = icmp slt i32 %52, 1
  br i1 %.not1519, label %._crit_edge23, label %.lr.ph22

._crit_edge23:                                    ; preds = %61, %51
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %5) #6
  %53 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, ptr noundef nonnull @.str.5)
  %54 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) %53, ptr noundef nonnull @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
  %55 = call noundef zeroext i1 @_ZNKSt7__cxx114listIiSaIiEE5emptyEv(ptr noundef nonnull align 8 dereferenceable(24) @_Z5QueueB5cxx11) #6
  br i1 %55, label %._crit_edge32, label %.lr.ph31

.lr.ph22:                                         ; preds = %51, %61
  %storemerge20 = phi i32 [ %63, %61 ], [ 1, %51 ]
  %56 = sext i32 %storemerge20 to i64
  %57 = call noundef nonnull align 4 dereferenceable(8) ptr @_ZNSt6vectorI5NodesSaIS0_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) @Node, i64 noundef %56) #6
  %58 = load i32, ptr %57, align 4, !tbaa !12
  %59 = icmp eq i32 %58, 0
  br i1 %59, label %60, label %61

60:                                               ; preds = %.lr.ph22
  call void @_ZNSt7__cxx114listIiSaIiEE9push_backERKi(ptr noundef nonnull align 8 dereferenceable(24) @_Z5QueueB5cxx11, ptr noundef nonnull align 4 dereferenceable(4) %5)
  br label %61

61:                                               ; preds = %.lr.ph22, %60
  %62 = load i32, ptr %5, align 4, !tbaa !5
  %63 = add nsw i32 %62, 1
  store i32 %63, ptr %5, align 4, !tbaa !5
  %64 = load i32, ptr @n, align 4, !tbaa !5
  %.not15.not = icmp slt i32 %62, %64
  br i1 %.not15.not, label %.lr.ph22, label %._crit_edge23, !llvm.loop !18

.loopexit:                                        ; preds = %88, %.lr.ph31
  %65 = call noundef zeroext i1 @_ZNKSt7__cxx114listIiSaIiEE5emptyEv(ptr noundef nonnull align 8 dereferenceable(24) @_Z5QueueB5cxx11) #6
  br i1 %65, label %._crit_edge32, label %.lr.ph31, !llvm.loop !19

.lr.ph31:                                         ; preds = %._crit_edge23, %.loopexit
  %66 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt7__cxx114listIiSaIiEE5frontEv(ptr noundef nonnull align 8 dereferenceable(24) @_Z5QueueB5cxx11) #6
  %67 = load i32, ptr %66, align 4, !tbaa !5
  store i32 %67, ptr %1, align 4, !tbaa !5
  %68 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, i32 noundef %67)
  %69 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) %68, ptr noundef nonnull @.str.6)
  call void @_ZNSt7__cxx114listIiSaIiEE9pop_frontEv(ptr noundef nonnull align 8 dereferenceable(24) @_Z5QueueB5cxx11) #6
  %70 = load i32, ptr %1, align 4, !tbaa !5
  %71 = sext i32 %70 to i64
  %72 = call noundef nonnull align 4 dereferenceable(8) ptr @_ZNSt6vectorI5NodesSaIS0_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) @Node, i64 noundef %71) #6
  %.012.in24 = getelementptr inbounds i8, ptr %72, i64 4
  %.01225 = load i32, ptr %.012.in24, align 4, !tbaa !5
  %.not1626 = icmp eq i32 %.01225, -1
  br i1 %.not1626, label %.loopexit, label %.lr.ph29

.lr.ph29:                                         ; preds = %.lr.ph31, %88
  %.01227 = phi i32 [ %.012, %88 ], [ %.01225, %.lr.ph31 ]
  %73 = sext i32 %.01227 to i64
  %74 = call noundef nonnull align 4 dereferenceable(8) ptr @_ZNSt6vectorI5EdgesSaIS0_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) @Edge, i64 noundef %73) #6
  %75 = load i32, ptr %74, align 4, !tbaa !9
  %76 = sext i32 %75 to i64
  %77 = call noundef nonnull align 4 dereferenceable(8) ptr @_ZNSt6vectorI5NodesSaIS0_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) @Node, i64 noundef %76) #6
  %78 = load i32, ptr %77, align 4, !tbaa !12
  %79 = add nsw i32 %78, -1
  store i32 %79, ptr %77, align 4, !tbaa !12
  %80 = call noundef nonnull align 4 dereferenceable(8) ptr @_ZNSt6vectorI5EdgesSaIS0_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) @Edge, i64 noundef %73) #6
  %81 = load i32, ptr %80, align 4, !tbaa !9
  %82 = sext i32 %81 to i64
  %83 = call noundef nonnull align 4 dereferenceable(8) ptr @_ZNSt6vectorI5NodesSaIS0_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) @Node, i64 noundef %82) #6
  %84 = load i32, ptr %83, align 4, !tbaa !12
  %85 = icmp eq i32 %84, 0
  br i1 %85, label %86, label %88

86:                                               ; preds = %.lr.ph29
  %87 = call noundef nonnull align 4 dereferenceable(8) ptr @_ZNSt6vectorI5EdgesSaIS0_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) @Edge, i64 noundef %73) #6
  call void @_ZNSt7__cxx114listIiSaIiEE9push_backERKi(ptr noundef nonnull align 8 dereferenceable(24) @_Z5QueueB5cxx11, ptr noundef nonnull align 4 dereferenceable(4) %87)
  br label %88

88:                                               ; preds = %.lr.ph29, %86
  %89 = call noundef nonnull align 4 dereferenceable(8) ptr @_ZNSt6vectorI5EdgesSaIS0_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) @Edge, i64 noundef %73) #6
  %.012.in = getelementptr inbounds i8, ptr %89, i64 4
  %.012 = load i32, ptr %.012.in, align 4, !tbaa !5
  %.not16 = icmp eq i32 %.012, -1
  br i1 %.not16, label %.loopexit, label %.lr.ph29, !llvm.loop !20

._crit_edge32:                                    ; preds = %.loopexit, %._crit_edge23
  %90 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, ptr noundef nonnull @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %7) #6
  %91 = call ptr @_ZNSt6vectorI5NodesSaIS0_EE5beginEv(ptr noundef nonnull align 8 dereferenceable(24) @Node) #6
  store ptr %91, ptr %7, align 8
  call void @_ZN9__gnu_cxx17__normal_iteratorIPK5NodesSt6vectorIS1_SaIS1_EEEC2IPS1_vEERKNS0_IT_S6_EE(ptr noundef nonnull align 8 dereferenceable(8) %6, ptr noundef nonnull align 8 dereferenceable(8) %7) #6
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %9) #6
  %92 = call ptr @_ZNSt6vectorI5NodesSaIS0_EE3endEv(ptr noundef nonnull align 8 dereferenceable(24) @Node) #6
  store ptr %92, ptr %9, align 8
  call void @_ZN9__gnu_cxx17__normal_iteratorIPK5NodesSt6vectorIS1_SaIS1_EEEC2IPS1_vEERKNS0_IT_S6_EE(ptr noundef nonnull align 8 dereferenceable(8) %8, ptr noundef nonnull align 8 dereferenceable(8) %9) #6
  %93 = load ptr, ptr %6, align 8
  %94 = load ptr, ptr %8, align 8
  %95 = call ptr @_ZNSt6vectorI5NodesSaIS0_EE5eraseEN9__gnu_cxx17__normal_iteratorIPKS0_S2_EES7_(ptr noundef nonnull align 8 dereferenceable(24) @Node, ptr %93, ptr %94)
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %9) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %7) #6
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %11) #6
  %96 = call ptr @_ZNSt6vectorI5EdgesSaIS0_EE5beginEv(ptr noundef nonnull align 8 dereferenceable(24) @Edge) #6
  store ptr %96, ptr %11, align 8
  call void @_ZN9__gnu_cxx17__normal_iteratorIPK5EdgesSt6vectorIS1_SaIS1_EEEC2IPS1_vEERKNS0_IT_S6_EE(ptr noundef nonnull align 8 dereferenceable(8) %10, ptr noundef nonnull align 8 dereferenceable(8) %11) #6
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %13) #6
  %97 = call ptr @_ZNSt6vectorI5EdgesSaIS0_EE3endEv(ptr noundef nonnull align 8 dereferenceable(24) @Edge) #6
  store ptr %97, ptr %13, align 8
  call void @_ZN9__gnu_cxx17__normal_iteratorIPK5EdgesSt6vectorIS1_SaIS1_EEEC2IPS1_vEERKNS0_IT_S6_EE(ptr noundef nonnull align 8 dereferenceable(8) %12, ptr noundef nonnull align 8 dereferenceable(8) %13) #6
  %98 = load ptr, ptr %10, align 8
  %99 = load ptr, ptr %12, align 8
  %100 = call ptr @_ZNSt6vectorI5EdgesSaIS0_EE5eraseEN9__gnu_cxx17__normal_iteratorIPKS0_S2_EES7_(ptr noundef nonnull align 8 dereferenceable(24) @Edge, ptr %98, ptr %99)
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %13) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %11) #6
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %15) #6
  %101 = call ptr @_ZNSt7__cxx114listIiSaIiEE5beginEv(ptr noundef nonnull align 8 dereferenceable(24) @_Z5QueueB5cxx11) #6
  store ptr %101, ptr %15, align 8
  call void @_ZNSt20_List_const_iteratorIiEC2ERKSt14_List_iteratorIiE(ptr noundef nonnull align 8 dereferenceable(8) %14, ptr noundef nonnull align 8 dereferenceable(8) %15) #6
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %17) #6
  %102 = call ptr @_ZNSt7__cxx114listIiSaIiEE3endEv(ptr noundef nonnull align 8 dereferenceable(24) @_Z5QueueB5cxx11) #6
  store ptr %102, ptr %17, align 8
  call void @_ZNSt20_List_const_iteratorIiEC2ERKSt14_List_iteratorIiE(ptr noundef nonnull align 8 dereferenceable(8) %16, ptr noundef nonnull align 8 dereferenceable(8) %17) #6
  %103 = load ptr, ptr %14, align 8
  %104 = load ptr, ptr %16, align 8
  %105 = call ptr @_ZNSt7__cxx114listIiSaIiEE5eraseESt20_List_const_iteratorIiES4_(ptr noundef nonnull align 8 dereferenceable(24) @_Z5QueueB5cxx11, ptr %103, ptr %104) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %17) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %15) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %4) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %3) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %2) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %1) #6
  ret i32 0
}

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

; 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 #2

; 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 #3 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)) #2

declare noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16), ptr noundef nonnull align 4 dereferenceable(4)) local_unnamed_addr #4

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorI5NodesSaIS0_EE9push_backERKS0_(ptr noundef nonnull align 8 dereferenceable(24), ptr noundef nonnull align 4 dereferenceable(8)) local_unnamed_addr #3 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 @_ZNSt6vectorI5EdgesSaIS0_EE9push_backERKS0_(ptr noundef nonnull align 8 dereferenceable(24), ptr noundef nonnull align 4 dereferenceable(8)) local_unnamed_addr #3 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 4 dereferenceable(8) ptr @_ZNSt6vectorI5NodesSaIS0_EEixEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) local_unnamed_addr #5 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt7__cxx114listIiSaIiEE9push_backERKi(ptr noundef nonnull align 8 dereferenceable(24), ptr noundef nonnull align 4 dereferenceable(4)) local_unnamed_addr #3 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_ZNKSt7__cxx114listIiSaIiEE5emptyEv(ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #5 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt7__cxx114listIiSaIiEE5frontEv(ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #5 align 2

declare noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8), i32 noundef) local_unnamed_addr #4

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt7__cxx114listIiSaIiEE9pop_frontEv(ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #5 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 4 dereferenceable(8) ptr @_ZNSt6vectorI5EdgesSaIS0_EEixEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) local_unnamed_addr #5 align 2

; Function Attrs: mustprogress uwtable
declare dso_local ptr @_ZNSt6vectorI5NodesSaIS0_EE5eraseEN9__gnu_cxx17__normal_iteratorIPKS0_S2_EES7_(ptr noundef nonnull align 8 dereferenceable(24), ptr, ptr) local_unnamed_addr #3 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt6vectorI5NodesSaIS0_EE5beginEv(ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #5 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZN9__gnu_cxx17__normal_iteratorIPK5NodesSt6vectorIS1_SaIS1_EEEC2IPS1_vEERKNS0_IT_S6_EE(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef nonnull align 8 dereferenceable(8)) unnamed_addr #5 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt6vectorI5NodesSaIS0_EE3endEv(ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #5 align 2

; Function Attrs: mustprogress uwtable
declare dso_local ptr @_ZNSt6vectorI5EdgesSaIS0_EE5eraseEN9__gnu_cxx17__normal_iteratorIPKS0_S2_EES7_(ptr noundef nonnull align 8 dereferenceable(24), ptr, ptr) local_unnamed_addr #3 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt6vectorI5EdgesSaIS0_EE5beginEv(ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #5 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZN9__gnu_cxx17__normal_iteratorIPK5EdgesSt6vectorIS1_SaIS1_EEEC2IPS1_vEERKNS0_IT_S6_EE(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef nonnull align 8 dereferenceable(8)) unnamed_addr #5 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt6vectorI5EdgesSaIS0_EE3endEv(ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #5 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt7__cxx114listIiSaIiEE5eraseESt20_List_const_iteratorIiES4_(ptr noundef nonnull align 8 dereferenceable(24), ptr, ptr) local_unnamed_addr #5 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt7__cxx114listIiSaIiEE5beginEv(ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #5 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt20_List_const_iteratorIiEC2ERKSt14_List_iteratorIiE(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef nonnull align 8 dereferenceable(8)) unnamed_addr #5 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt7__cxx114listIiSaIiEE3endEv(ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #5 align 2

attributes #0 = { mustprogress norecurse 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 = { 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 #3 = { 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 = { "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 = { 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 #6 = { 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 = !{!"int", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}
!9 = !{!10, !6, i64 0}
!10 = !{!"_ZTS5Edges", !6, i64 0, !6, i64 4}
!11 = !{!10, !6, i64 4}
!12 = !{!13, !6, i64 0}
!13 = !{!"_ZTS5Nodes", !6, i64 0, !6, i64 4}
!14 = !{!13, !6, i64 4}
!15 = distinct !{!15, !16}
!16 = !{!"llvm.loop.mustprogress"}
!17 = distinct !{!17, !16}
!18 = distinct !{!18, !16}
!19 = distinct !{!19, !16}
!20 = distinct !{!20, !16}


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