; LLVM IR from kazunetakahashi/atcoder :: 201610_12/1106_ARC063 (E)

; 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<int, std::allocator<int>>::_Vector_impl" }
%"struct.std::_Vector_base<int, std::allocator<int>>::_Vector_impl" = type { %"struct.std::_Vector_base<int, std::allocator<int>>::_Vector_impl_data" }
%"struct.std::_Vector_base<int, std::allocator<int>>::_Vector_impl_data" = type { ptr, ptr, ptr }
%"class.std::basic_istream" = type { ptr, i64, %"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::stack" = type { %"class.std::deque" }
%"class.std::deque" = type { %"class.std::_Deque_base" }
%"class.std::_Deque_base" = type { %"struct.std::_Deque_base<std::pair<int, int>, std::allocator<std::pair<int, int>>>::_Deque_impl" }
%"struct.std::_Deque_base<std::pair<int, int>, std::allocator<std::pair<int, int>>>::_Deque_impl" = type { %"struct.std::_Deque_base<std::pair<int, int>, std::allocator<std::pair<int, int>>>::_Deque_impl_data" }
%"struct.std::_Deque_base<std::pair<int, int>, std::allocator<std::pair<int, int>>>::_Deque_impl_data" = type { ptr, i64, %"struct.std::_Deque_iterator", %"struct.std::_Deque_iterator" }
%"struct.std::_Deque_iterator" = type { ptr, ptr, ptr, ptr }
%"struct.std::pair" = type { i32, i32 }
%"class.__gnu_cxx::__normal_iterator" = type { ptr }
%"class.std::queue" = type { %"class.std::deque.9" }
%"class.std::deque.9" = type { %"class.std::_Deque_base.10" }
%"class.std::_Deque_base.10" = type { %"struct.std::_Deque_base<int, std::allocator<int>>::_Deque_impl" }
%"struct.std::_Deque_base<int, std::allocator<int>>::_Deque_impl" = type { %"struct.std::_Deque_base<int, std::allocator<int>>::_Deque_impl_data" }
%"struct.std::_Deque_base<int, std::allocator<int>>::_Deque_impl_data" = type { ptr, i64, %"struct.std::_Deque_iterator.11", %"struct.std::_Deque_iterator.11" }
%"struct.std::_Deque_iterator.11" = type { ptr, ptr, ptr, ptr }

@N = external dso_local global i32, align 4
@V = external dso_local global [100010 x %"class.std::vector"], align 16
@K = external dso_local global i32, align 4
@X = external dso_local global [100010 x i32], align 16
@parent = external dso_local global [100010 x i32], align 16
@children = external dso_local global [100010 x %"class.std::vector"], align 16
@_ZSt3cin = external global %"class.std::basic_istream", align 8
@_ZL5infty = external hidden constant i32, align 4

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorIiSaIiEEC2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #0 align 2

; Function Attrs: nocallback nofree nounwind willreturn memory(argmem: readwrite)
declare void @llvm.memcpy.p0.p0.i64(ptr noalias nocapture writeonly, ptr noalias nocapture readonly, i64, i1 immarg) #1

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #2

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt6vectorIiSaIiEE5beginEv(ptr noundef nonnull align 8 dereferenceable(24)) #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt6vectorIiSaIiEE3endEv(ptr noundef nonnull align 8 dereferenceable(24)) #0 align 2

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_ZN9__gnu_cxxneIPiSt6vectorIiSaIiEEEEbRKNS_17__normal_iteratorIT_T0_EESA_(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef nonnull align 8 dereferenceable(8)) #3

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 4 dereferenceable(4) ptr @_ZNK9__gnu_cxx17__normal_iteratorIPiSt6vectorIiSaIiEEEdeEv(ptr noundef nonnull align 8 dereferenceable(8)) #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZN9__gnu_cxx17__normal_iteratorIPiSt6vectorIiSaIiEEEppEv(ptr noundef nonnull align 8 dereferenceable(8)) #0 align 2

; Function Attrs: mustprogress norecurse uwtable
define dso_local noundef i32 @main() #4 personality ptr @__gxx_personality_v0 {
  %1 = alloca i32, align 4
  %2 = alloca i32, align 4
  %3 = alloca i32, align 4
  %4 = alloca i32, align 4
  %5 = alloca i32, align 4
  %6 = alloca i32, align 4
  %7 = alloca i32, align 4
  %8 = alloca %"class.std::stack", align 8
  %9 = alloca %"struct.std::pair", align 4
  %10 = alloca i32, align 4
  %11 = alloca i32, align 4
  %12 = alloca ptr, align 8
  %13 = alloca i32, align 4
  %14 = alloca %"struct.std::pair", align 4
  %15 = alloca i32, align 4
  %16 = alloca i32, align 4
  %17 = alloca ptr, align 8
  %18 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %19 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %20 = alloca i32, align 4
  %21 = alloca %"struct.std::pair", align 4
  %22 = alloca %"class.std::vector", align 8
  %23 = alloca i32, align 4
  %24 = alloca %"class.std::queue", align 8
  %25 = alloca ptr, align 8
  %26 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %27 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %28 = alloca i32, align 4
  store i32 0, ptr %1, align 4
  %29 = 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 %2) #8
  store i32 0, ptr %2, align 4, !tbaa !5
  br label %30

30:                                               ; preds = %49, %0
  %31 = load i32, ptr %2, align 4, !tbaa !5
  %32 = load i32, ptr @N, align 4, !tbaa !5
  %33 = sub nsw i32 %32, 1
  %34 = icmp slt i32 %31, %33
  br i1 %34, label %36, label %35

35:                                               ; preds = %30
  call void @llvm.lifetime.end.p0(i64 4, ptr %2) #8
  br label %52

36:                                               ; preds = %30
  call void @llvm.lifetime.start.p0(i64 4, ptr %3) #8
  call void @llvm.lifetime.start.p0(i64 4, ptr %4) #8
  %37 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 4 dereferenceable(4) %3)
  %38 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) %37, ptr noundef nonnull align 4 dereferenceable(4) %4)
  %39 = load i32, ptr %3, align 4, !tbaa !5
  %40 = add nsw i32 %39, -1
  store i32 %40, ptr %3, align 4, !tbaa !5
  %41 = load i32, ptr %4, align 4, !tbaa !5
  %42 = add nsw i32 %41, -1
  store i32 %42, ptr %4, align 4, !tbaa !5
  %43 = load i32, ptr %3, align 4, !tbaa !5
  %44 = sext i32 %43 to i64
  %45 = getelementptr inbounds [100010 x %"class.std::vector"], ptr @V, i64 0, i64 %44
  call void @_ZNSt6vectorIiSaIiEE9push_backERKi(ptr noundef nonnull align 8 dereferenceable(24) %45, ptr noundef nonnull align 4 dereferenceable(4) %4)
  %46 = load i32, ptr %4, align 4, !tbaa !5
  %47 = sext i32 %46 to i64
  %48 = getelementptr inbounds [100010 x %"class.std::vector"], ptr @V, i64 0, i64 %47
  call void @_ZNSt6vectorIiSaIiEE9push_backERKi(ptr noundef nonnull align 8 dereferenceable(24) %48, ptr noundef nonnull align 4 dereferenceable(4) %3)
  call void @llvm.lifetime.end.p0(i64 4, ptr %4) #8
  call void @llvm.lifetime.end.p0(i64 4, ptr %3) #8
  br label %49

49:                                               ; preds = %36
  %50 = load i32, ptr %2, align 4, !tbaa !5
  %51 = add nsw i32 %50, 1
  store i32 %51, ptr %2, align 4, !tbaa !5
  br label %30, !llvm.loop !9

52:                                               ; preds = %35
  %53 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 4 dereferenceable(4) @K)
  %54 = load i32, ptr @N, align 4, !tbaa !5
  %55 = sext i32 %54 to i64
  %56 = getelementptr inbounds i32, ptr @X, i64 %55
  call void @_ZSt4fillIPiiEvT_S1_RKT0_(ptr noundef @X, ptr noundef %56, ptr noundef nonnull align 4 dereferenceable(4) @_ZL5infty)
  call void @llvm.lifetime.start.p0(i64 4, ptr %5) #8
  store i32 0, ptr %5, align 4, !tbaa !5
  br label %57

57:                                               ; preds = %71, %52
  %58 = load i32, ptr %5, align 4, !tbaa !5
  %59 = load i32, ptr @K, align 4, !tbaa !5
  %60 = icmp slt i32 %58, %59
  br i1 %60, label %62, label %61

61:                                               ; preds = %57
  call void @llvm.lifetime.end.p0(i64 4, ptr %5) #8
  br label %74

62:                                               ; preds = %57
  call void @llvm.lifetime.start.p0(i64 4, ptr %6) #8
  call void @llvm.lifetime.start.p0(i64 4, ptr %7) #8
  %63 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 4 dereferenceable(4) %6)
  %64 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) %63, ptr noundef nonnull align 4 dereferenceable(4) %7)
  %65 = load i32, ptr %6, align 4, !tbaa !5
  %66 = add nsw i32 %65, -1
  store i32 %66, ptr %6, align 4, !tbaa !5
  %67 = load i32, ptr %7, align 4, !tbaa !5
  %68 = load i32, ptr %6, align 4, !tbaa !5
  %69 = sext i32 %68 to i64
  %70 = getelementptr inbounds [100010 x i32], ptr @X, i64 0, i64 %69
  store i32 %67, ptr %70, align 4, !tbaa !5
  call void @llvm.lifetime.end.p0(i64 4, ptr %7) #8
  call void @llvm.lifetime.end.p0(i64 4, ptr %6) #8
  br label %71

71:                                               ; preds = %62
  %72 = load i32, ptr %5, align 4, !tbaa !5
  %73 = add nsw i32 %72, 1
  store i32 %73, ptr %5, align 4, !tbaa !5
  br label %57, !llvm.loop !11

74:                                               ; preds = %61
  %75 = load i32, ptr @N, align 4, !tbaa !5
  %76 = sext i32 %75 to i64
  %77 = getelementptr inbounds i32, ptr @parent, i64 %76
  call void @_ZSt4fillIPiiEvT_S1_RKT0_(ptr noundef @parent, ptr noundef %77, ptr noundef nonnull align 4 dereferenceable(4) @_ZL5infty)
  call void @llvm.lifetime.start.p0(i64 80, ptr %8) #8
  call void @_ZNSt5stackISt4pairIiiESt5dequeIS1_SaIS1_EEEC2IS4_vEEv(ptr noundef nonnull align 8 dereferenceable(80) %8)
  call void @llvm.lifetime.start.p0(i64 8, ptr %9) #8
  call void @llvm.lifetime.start.p0(i64 4, ptr %10) #8
  store i32 0, ptr %10, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 4, ptr %11) #8
  store i32 -1, ptr %11, align 4, !tbaa !5
  %78 = invoke i64 @_ZSt9make_pairIiiESt4pairINSt25__strip_reference_wrapperINSt5decayIT_E4typeEE6__typeENS1_INS2_IT0_E4typeEE6__typeEEOS3_OS8_(ptr noundef nonnull align 4 dereferenceable(4) %10, ptr noundef nonnull align 4 dereferenceable(4) %11)
          to label %79 unwind label %110

79:                                               ; preds = %74
  store i64 %78, ptr %9, align 4
  invoke void @_ZNSt5stackISt4pairIiiESt5dequeIS1_SaIS1_EEE4pushEOS1_(ptr noundef nonnull align 8 dereferenceable(80) %8, ptr noundef nonnull align 4 dereferenceable(8) %9)
          to label %80 unwind label %110

80:                                               ; preds = %79
  call void @llvm.lifetime.end.p0(i64 4, ptr %11) #8
  call void @llvm.lifetime.end.p0(i64 4, ptr %10) #8
  call void @llvm.lifetime.end.p0(i64 8, ptr %9) #8
  br label %81

81:                                               ; preds = %159, %80
  %82 = invoke noundef zeroext i1 @_ZNKSt5stackISt4pairIiiESt5dequeIS1_SaIS1_EEE5emptyEv(ptr noundef nonnull align 8 dereferenceable(80) %8)
          to label %83 unwind label %114

83:                                               ; preds = %81
  %84 = xor i1 %82, true
  br i1 %84, label %85, label %162

85:                                               ; preds = %83
  call void @llvm.lifetime.start.p0(i64 8, ptr %14) #8
  %86 = invoke noundef nonnull align 4 dereferenceable(8) ptr @_ZNSt5stackISt4pairIiiESt5dequeIS1_SaIS1_EEE3topEv(ptr noundef nonnull align 8 dereferenceable(80) %8)
          to label %87 unwind label %118

87:                                               ; preds = %85
  call void @llvm.memcpy.p0.p0.i64(ptr align 4 %14, ptr align 4 %86, i64 8, i1 false)
  call void @llvm.lifetime.start.p0(i64 4, ptr %15) #8
  %88 = getelementptr inbounds %"struct.std::pair", ptr %14, i32 0, i32 0
  %89 = load i32, ptr %88, align 4, !tbaa !12
  store i32 %89, ptr %15, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 4, ptr %16) #8
  %90 = getelementptr inbounds %"struct.std::pair", ptr %14, i32 0, i32 1
  %91 = load i32, ptr %90, align 4, !tbaa !14
  store i32 %91, ptr %16, align 4, !tbaa !5
  invoke void @_ZNSt5stackISt4pairIiiESt5dequeIS1_SaIS1_EEE3popEv(ptr noundef nonnull align 8 dereferenceable(80) %8)
          to label %92 unwind label %122

92:                                               ; preds = %87
  %93 = load i32, ptr %15, align 4, !tbaa !5
  %94 = sext i32 %93 to i64
  %95 = getelementptr inbounds [100010 x i32], ptr @parent, i64 0, i64 %94
  %96 = load i32, ptr %95, align 4, !tbaa !5
  %97 = icmp eq i32 %96, 1000000007
  br i1 %97, label %98, label %159

98:                                               ; preds = %92
  %99 = load i32, ptr %16, align 4, !tbaa !5
  %100 = load i32, ptr %15, align 4, !tbaa !5
  %101 = sext i32 %100 to i64
  %102 = getelementptr inbounds [100010 x i32], ptr @parent, i64 0, i64 %101
  store i32 %99, ptr %102, align 4, !tbaa !5
  %103 = load i32, ptr %16, align 4, !tbaa !5
  %104 = icmp sge i32 %103, 0
  br i1 %104, label %105, label %126

105:                                              ; preds = %98
  %106 = load i32, ptr %16, align 4, !tbaa !5
  %107 = sext i32 %106 to i64
  %108 = getelementptr inbounds [100010 x %"class.std::vector"], ptr @children, i64 0, i64 %107
  invoke void @_ZNSt6vectorIiSaIiEE9push_backERKi(ptr noundef nonnull align 8 dereferenceable(24) %108, ptr noundef nonnull align 4 dereferenceable(4) %15)
          to label %109 unwind label %122

109:                                              ; preds = %105
  br label %126

110:                                              ; preds = %79, %74
  %111 = landingpad { ptr, i32 }
          cleanup
  %112 = extractvalue { ptr, i32 } %111, 0
  store ptr %112, ptr %12, align 8
  %113 = extractvalue { ptr, i32 } %111, 1
  store i32 %113, ptr %13, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %11) #8
  call void @llvm.lifetime.end.p0(i64 4, ptr %10) #8
  call void @llvm.lifetime.end.p0(i64 8, ptr %9) #8
  br label %223

114:                                              ; preds = %81
  %115 = landingpad { ptr, i32 }
          cleanup
  %116 = extractvalue { ptr, i32 } %115, 0
  store ptr %116, ptr %12, align 8
  %117 = extractvalue { ptr, i32 } %115, 1
  store i32 %117, ptr %13, align 4
  br label %223

118:                                              ; preds = %85
  %119 = landingpad { ptr, i32 }
          cleanup
  %120 = extractvalue { ptr, i32 } %119, 0
  store ptr %120, ptr %12, align 8
  %121 = extractvalue { ptr, i32 } %119, 1
  store i32 %121, ptr %13, align 4
  br label %161

122:                                              ; preds = %105, %87
  %123 = landingpad { ptr, i32 }
          cleanup
  %124 = extractvalue { ptr, i32 } %123, 0
  store ptr %124, ptr %12, align 8
  %125 = extractvalue { ptr, i32 } %123, 1
  store i32 %125, ptr %13, align 4
  br label %160

126:                                              ; preds = %109, %98
  call void @llvm.lifetime.start.p0(i64 8, ptr %17) #8
  %127 = load i32, ptr %15, align 4, !tbaa !5
  %128 = sext i32 %127 to i64
  %129 = getelementptr inbounds [100010 x %"class.std::vector"], ptr @V, i64 0, i64 %128
  store ptr %129, ptr %17, align 8, !tbaa !15
  call void @llvm.lifetime.start.p0(i64 8, ptr %18) #8
  %130 = load ptr, ptr %17, align 8, !tbaa !15
  %131 = call ptr @_ZNSt6vectorIiSaIiEE5beginEv(ptr noundef nonnull align 8 dereferenceable(24) %130) #8
  %132 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %18, i32 0, i32 0
  store ptr %131, ptr %132, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr %19) #8
  %133 = load ptr, ptr %17, align 8, !tbaa !15
  %134 = call ptr @_ZNSt6vectorIiSaIiEE3endEv(ptr noundef nonnull align 8 dereferenceable(24) %133) #8
  %135 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %19, i32 0, i32 0
  store ptr %134, ptr %135, align 8
  br label %136

136:                                              ; preds = %156, %126
  %137 = call noundef zeroext i1 @_ZN9__gnu_cxxneIPiSt6vectorIiSaIiEEEEbRKNS_17__normal_iteratorIT_T0_EESA_(ptr noundef nonnull align 8 dereferenceable(8) %18, ptr noundef nonnull align 8 dereferenceable(8) %19) #8
  br i1 %137, label %139, label %138

138:                                              ; preds = %136
  call void @llvm.lifetime.end.p0(i64 8, ptr %19) #8
  call void @llvm.lifetime.end.p0(i64 8, ptr %18) #8
  call void @llvm.lifetime.end.p0(i64 8, ptr %17) #8
  br label %158

139:                                              ; preds = %136
  call void @llvm.lifetime.start.p0(i64 4, ptr %20) #8
  %140 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNK9__gnu_cxx17__normal_iteratorIPiSt6vectorIiSaIiEEEdeEv(ptr noundef nonnull align 8 dereferenceable(8) %18) #8
  %141 = load i32, ptr %140, align 4, !tbaa !5
  store i32 %141, ptr %20, align 4, !tbaa !5
  %142 = load i32, ptr %20, align 4, !tbaa !5
  %143 = sext i32 %142 to i64
  %144 = getelementptr inbounds [100010 x i32], ptr @parent, i64 0, i64 %143
  %145 = load i32, ptr %144, align 4, !tbaa !5
  %146 = icmp eq i32 %145, 1000000007
  br i1 %146, label %147, label %155

147:                                              ; preds = %139
  call void @llvm.lifetime.start.p0(i64 8, ptr %21) #8
  %148 = invoke i64 @_ZSt9make_pairIRiS0_ESt4pairINSt25__strip_reference_wrapperINSt5decayIT_E4typeEE6__typeENS2_INS3_IT0_E4typeEE6__typeEEOS4_OS9_(ptr noundef nonnull align 4 dereferenceable(4) %20, ptr noundef nonnull align 4 dereferenceable(4) %15)
          to label %149 unwind label %151

149:                                              ; preds = %147
  store i64 %148, ptr %21, align 4
  invoke void @_ZNSt5stackISt4pairIiiESt5dequeIS1_SaIS1_EEE4pushEOS1_(ptr noundef nonnull align 8 dereferenceable(80) %8, ptr noundef nonnull align 4 dereferenceable(8) %21)
          to label %150 unwind label %151

150:                                              ; preds = %149
  call void @llvm.lifetime.end.p0(i64 8, ptr %21) #8
  br label %155

151:                                              ; preds = %149, %147
  %152 = landingpad { ptr, i32 }
          cleanup
  %153 = extractvalue { ptr, i32 } %152, 0
  store ptr %153, ptr %12, align 8
  %154 = extractvalue { ptr, i32 } %152, 1
  store i32 %154, ptr %13, align 4
  call void @llvm.lifetime.end.p0(i64 8, ptr %21) #8
  call void @llvm.lifetime.end.p0(i64 4, ptr %20) #8
  call void @llvm.lifetime.end.p0(i64 8, ptr %19) #8
  call void @llvm.lifetime.end.p0(i64 8, ptr %18) #8
  call void @llvm.lifetime.end.p0(i64 8, ptr %17) #8
  br label %160

155:                                              ; preds = %150, %139
  call void @llvm.lifetime.end.p0(i64 4, ptr %20) #8
  br label %156

156:                                              ; preds = %155
  %157 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZN9__gnu_cxx17__normal_iteratorIPiSt6vectorIiSaIiEEEppEv(ptr noundef nonnull align 8 dereferenceable(8) %18) #8
  br label %136

158:                                              ; preds = %138
  br label %159

159:                                              ; preds = %158, %92
  call void @llvm.lifetime.end.p0(i64 4, ptr %16) #8
  call void @llvm.lifetime.end.p0(i64 4, ptr %15) #8
  call void @llvm.lifetime.end.p0(i64 8, ptr %14) #8
  br label %81, !llvm.loop !17

160:                                              ; preds = %151, %122
  call void @llvm.lifetime.end.p0(i64 4, ptr %16) #8
  call void @llvm.lifetime.end.p0(i64 4, ptr %15) #8
  br label %161

161:                                              ; preds = %160, %118
  call void @llvm.lifetime.end.p0(i64 8, ptr %14) #8
  br label %223

162:                                              ; preds = %83
  call void @llvm.lifetime.start.p0(i64 24, ptr %22) #8
  call void @_ZNSt6vectorIiSaIiEEC2Ev(ptr noundef nonnull align 8 dereferenceable(24) %22) #8
  call void @llvm.lifetime.start.p0(i64 4, ptr %23) #8
  store i32 0, ptr %23, align 4, !tbaa !5
  br label %163

163:                                              ; preds = %180, %162
  %164 = load i32, ptr %23, align 4, !tbaa !5
  %165 = load i32, ptr @N, align 4, !tbaa !5
  %166 = icmp slt i32 %164, %165
  br i1 %166, label %168, label %167

167:                                              ; preds = %163
  call void @llvm.lifetime.end.p0(i64 4, ptr %23) #8
  br label %183

168:                                              ; preds = %163
  %169 = load i32, ptr %23, align 4, !tbaa !5
  %170 = sext i32 %169 to i64
  %171 = getelementptr inbounds [100010 x %"class.std::vector"], ptr @children, i64 0, i64 %170
  %172 = call noundef zeroext i1 @_ZNKSt6vectorIiSaIiEE5emptyEv(ptr noundef nonnull align 8 dereferenceable(24) %171) #8
  br i1 %172, label %173, label %179

173:                                              ; preds = %168
  invoke void @_ZNSt6vectorIiSaIiEE9push_backERKi(ptr noundef nonnull align 8 dereferenceable(24) %22, ptr noundef nonnull align 4 dereferenceable(4) %23)
          to label %174 unwind label %175

174:                                              ; preds = %173
  br label %179

175:                                              ; preds = %173
  %176 = landingpad { ptr, i32 }
          cleanup
  %177 = extractvalue { ptr, i32 } %176, 0
  store ptr %177, ptr %12, align 8
  %178 = extractvalue { ptr, i32 } %176, 1
  store i32 %178, ptr %13, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %23) #8
  br label %222

179:                                              ; preds = %174, %168
  br label %180

180:                                              ; preds = %179
  %181 = load i32, ptr %23, align 4, !tbaa !5
  %182 = add nsw i32 %181, 1
  store i32 %182, ptr %23, align 4, !tbaa !5
  br label %163, !llvm.loop !18

183:                                              ; preds = %167
  call void @llvm.lifetime.start.p0(i64 80, ptr %24) #8
  invoke void @_ZNSt5queueIiSt5dequeIiSaIiEEEC2IS2_vEEv(ptr noundef nonnull align 8 dereferenceable(80) %24)
          to label %184 unwind label %194

184:                                              ; preds = %183
  call void @llvm.lifetime.start.p0(i64 8, ptr %25) #8
  store ptr %22, ptr %25, align 8, !tbaa !15
  call void @llvm.lifetime.start.p0(i64 8, ptr %26) #8
  %185 = load ptr, ptr %25, align 8, !tbaa !15
  %186 = call ptr @_ZNSt6vectorIiSaIiEE5beginEv(ptr noundef nonnull align 8 dereferenceable(24) %185) #8
  %187 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %26, i32 0, i32 0
  store ptr %186, ptr %187, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr %27) #8
  %188 = load ptr, ptr %25, align 8, !tbaa !15
  %189 = call ptr @_ZNSt6vectorIiSaIiEE3endEv(ptr noundef nonnull align 8 dereferenceable(24) %188) #8
  %190 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %27, i32 0, i32 0
  store ptr %189, ptr %190, align 8
  br label %191

191:                                              ; preds = %202, %184
  %192 = call noundef zeroext i1 @_ZN9__gnu_cxxneIPiSt6vectorIiSaIiEEEEbRKNS_17__normal_iteratorIT_T0_EESA_(ptr noundef nonnull align 8 dereferenceable(8) %26, ptr noundef nonnull align 8 dereferenceable(8) %27) #8
  br i1 %192, label %198, label %193

193:                                              ; preds = %191
  call void @llvm.lifetime.end.p0(i64 8, ptr %27) #8
  call void @llvm.lifetime.end.p0(i64 8, ptr %26) #8
  call void @llvm.lifetime.end.p0(i64 8, ptr %25) #8
  br label %208

194:                                              ; preds = %183
  %195 = landingpad { ptr, i32 }
          cleanup
  %196 = extractvalue { ptr, i32 } %195, 0
  store ptr %196, ptr %12, align 8
  %197 = extractvalue { ptr, i32 } %195, 1
  store i32 %197, ptr %13, align 4
  br label %221

198:                                              ; preds = %191
  call void @llvm.lifetime.start.p0(i64 4, ptr %28) #8
  %199 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNK9__gnu_cxx17__normal_iteratorIPiSt6vectorIiSaIiEEEdeEv(ptr noundef nonnull align 8 dereferenceable(8) %26) #8
  %200 = load i32, ptr %199, align 4, !tbaa !5
  store i32 %200, ptr %28, align 4, !tbaa !5
  invoke void @_ZNSt5queueIiSt5dequeIiSaIiEEE4pushERKi(ptr noundef nonnull align 8 dereferenceable(80) %24, ptr noundef nonnull align 4 dereferenceable(4) %28)
          to label %201 unwind label %204

201:                                              ; preds = %198
  call void @llvm.lifetime.end.p0(i64 4, ptr %28) #8
  br label %202

202:                                              ; preds = %201
  %203 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZN9__gnu_cxx17__normal_iteratorIPiSt6vectorIiSaIiEEEppEv(ptr noundef nonnull align 8 dereferenceable(8) %26) #8
  br label %191

204:                                              ; preds = %198
  %205 = landingpad { ptr, i32 }
          cleanup
  %206 = extractvalue { ptr, i32 } %205, 0
  store ptr %206, ptr %12, align 8
  %207 = extractvalue { ptr, i32 } %205, 1
  store i32 %207, ptr %13, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %28) #8
  call void @llvm.lifetime.end.p0(i64 8, ptr %27) #8
  call void @llvm.lifetime.end.p0(i64 8, ptr %26) #8
  call void @llvm.lifetime.end.p0(i64 8, ptr %25) #8
  br label %220

208:                                              ; preds = %193
  br label %209

209:                                              ; preds = %213, %208
  %210 = invoke noundef zeroext i1 @_ZNKSt5queueIiSt5dequeIiSaIiEEE5emptyEv(ptr noundef nonnull align 8 dereferenceable(80) %24)
          to label %211 unwind label %214

211:                                              ; preds = %209
  %212 = xor i1 %210, true
  br i1 %212, label %213, label %218

213:                                              ; preds = %211
  br label %209, !llvm.loop !19

214:                                              ; preds = %209
  %215 = landingpad { ptr, i32 }
          cleanup
  %216 = extractvalue { ptr, i32 } %215, 0
  store ptr %216, ptr %12, align 8
  %217 = extractvalue { ptr, i32 } %215, 1
  store i32 %217, ptr %13, align 4
  br label %220

218:                                              ; preds = %211
  call void @_ZNSt5queueIiSt5dequeIiSaIiEEED2Ev(ptr noundef nonnull align 8 dereferenceable(80) %24) #8
  call void @llvm.lifetime.end.p0(i64 80, ptr %24) #8
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %22) #8
  call void @llvm.lifetime.end.p0(i64 24, ptr %22) #8
  call void @_ZNSt5stackISt4pairIiiESt5dequeIS1_SaIS1_EEED2Ev(ptr noundef nonnull align 8 dereferenceable(80) %8) #8
  call void @llvm.lifetime.end.p0(i64 80, ptr %8) #8
  %219 = load i32, ptr %1, align 4
  ret i32 %219

220:                                              ; preds = %214, %204
  call void @_ZNSt5queueIiSt5dequeIiSaIiEEED2Ev(ptr noundef nonnull align 8 dereferenceable(80) %24) #8
  br label %221

221:                                              ; preds = %220, %194
  call void @llvm.lifetime.end.p0(i64 80, ptr %24) #8
  br label %222

222:                                              ; preds = %221, %175
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %22) #8
  call void @llvm.lifetime.end.p0(i64 24, ptr %22) #8
  br label %223

223:                                              ; preds = %222, %161, %114, %110
  call void @_ZNSt5stackISt4pairIiiESt5dequeIS1_SaIS1_EEED2Ev(ptr noundef nonnull align 8 dereferenceable(80) %8) #8
  call void @llvm.lifetime.end.p0(i64 80, ptr %8) #8
  br label %224

224:                                              ; preds = %223
  %225 = load ptr, ptr %12, align 8
  %226 = load i32, ptr %13, align 4
  %227 = insertvalue { ptr, i32 } poison, ptr %225, 0
  %228 = insertvalue { ptr, i32 } %227, i32 %226, 1
  resume { ptr, i32 } %228
}

declare noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16), ptr noundef nonnull align 4 dereferenceable(4)) #5

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorIiSaIiEE9push_backERKi(ptr noundef nonnull align 8 dereferenceable(24), ptr noundef nonnull align 4 dereferenceable(4)) #6 align 2

; Function Attrs: inlinehint mustprogress uwtable
declare dso_local void @_ZSt4fillIPiiEvT_S1_RKT0_(ptr noundef, ptr noundef, ptr noundef nonnull align 4 dereferenceable(4)) #7

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt5stackISt4pairIiiESt5dequeIS1_SaIS1_EEEC2IS4_vEEv(ptr noundef nonnull align 8 dereferenceable(80)) unnamed_addr #6 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt5stackISt4pairIiiESt5dequeIS1_SaIS1_EEE4pushEOS1_(ptr noundef nonnull align 8 dereferenceable(80), ptr noundef nonnull align 4 dereferenceable(8)) #6 align 2

; Function Attrs: mustprogress uwtable
declare dso_local i64 @_ZSt9make_pairIiiESt4pairINSt25__strip_reference_wrapperINSt5decayIT_E4typeEE6__typeENS1_INS2_IT0_E4typeEE6__typeEEOS3_OS8_(ptr noundef nonnull align 4 dereferenceable(4), ptr noundef nonnull align 4 dereferenceable(4)) #6

declare i32 @__gxx_personality_v0(...)

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_ZNKSt5stackISt4pairIiiESt5dequeIS1_SaIS1_EEE5emptyEv(ptr noundef nonnull align 8 dereferenceable(80)) #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 4 dereferenceable(8) ptr @_ZNSt5stackISt4pairIiiESt5dequeIS1_SaIS1_EEE3topEv(ptr noundef nonnull align 8 dereferenceable(80)) #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt5stackISt4pairIiiESt5dequeIS1_SaIS1_EEE3popEv(ptr noundef nonnull align 8 dereferenceable(80)) #0 align 2

; Function Attrs: mustprogress uwtable
declare dso_local i64 @_ZSt9make_pairIRiS0_ESt4pairINSt25__strip_reference_wrapperINSt5decayIT_E4typeEE6__typeENS2_INS3_IT0_E4typeEE6__typeEEOS4_OS9_(ptr noundef nonnull align 4 dereferenceable(4), ptr noundef nonnull align 4 dereferenceable(4)) #6

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_ZNKSt6vectorIiSaIiEE5emptyEv(ptr noundef nonnull align 8 dereferenceable(24)) #0 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt5queueIiSt5dequeIiSaIiEEEC2IS2_vEEv(ptr noundef nonnull align 8 dereferenceable(80)) unnamed_addr #6 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt5queueIiSt5dequeIiSaIiEEE4pushERKi(ptr noundef nonnull align 8 dereferenceable(80), ptr noundef nonnull align 4 dereferenceable(4)) #6 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_ZNKSt5queueIiSt5dequeIiSaIiEEE5emptyEv(ptr noundef nonnull align 8 dereferenceable(80)) #0 align 2

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local void @_ZNSt5queueIiSt5dequeIiSaIiEEED2Ev(ptr noundef nonnull align 8 dereferenceable(80)) unnamed_addr #3 align 2

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local void @_ZNSt5stackISt4pairIiiESt5dequeIS1_SaIS1_EEED2Ev(ptr noundef nonnull align 8 dereferenceable(80)) unnamed_addr #3 align 2

attributes #0 = { 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 nounwind willreturn memory(argmem: readwrite) }
attributes #2 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #3 = { 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 #4 = { 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 #5 = { "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 = { 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 #7 = { 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 #8 = { 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 = distinct !{!9, !10}
!10 = !{!"llvm.loop.mustprogress"}
!11 = distinct !{!11, !10}
!12 = !{!13, !6, i64 0}
!13 = !{!"_ZTSSt4pairIiiE", !6, i64 0, !6, i64 4}
!14 = !{!13, !6, i64 4}
!15 = !{!16, !16, i64 0}
!16 = !{!"any pointer", !7, i64 0}
!17 = distinct !{!17, !10}
!18 = distinct !{!18, !10}
!19 = distinct !{!19, !10}


; 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<int, std::allocator<int>>::_Vector_impl" }
%"struct.std::_Vector_base<int, std::allocator<int>>::_Vector_impl" = type { %"struct.std::_Vector_base<int, std::allocator<int>>::_Vector_impl_data" }
%"struct.std::_Vector_base<int, std::allocator<int>>::_Vector_impl_data" = type { ptr, ptr, ptr }
%"class.std::basic_istream" = type { ptr, i64, %"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::stack" = type { %"class.std::deque" }
%"class.std::deque" = type { %"class.std::_Deque_base" }
%"class.std::_Deque_base" = type { %"struct.std::_Deque_base<std::pair<int, int>, std::allocator<std::pair<int, int>>>::_Deque_impl" }
%"struct.std::_Deque_base<std::pair<int, int>, std::allocator<std::pair<int, int>>>::_Deque_impl" = type { %"struct.std::_Deque_base<std::pair<int, int>, std::allocator<std::pair<int, int>>>::_Deque_impl_data" }
%"struct.std::_Deque_base<std::pair<int, int>, std::allocator<std::pair<int, int>>>::_Deque_impl_data" = type { ptr, i64, %"struct.std::_Deque_iterator", %"struct.std::_Deque_iterator" }
%"struct.std::_Deque_iterator" = type { ptr, ptr, ptr, ptr }
%"struct.std::pair" = type { i32, i32 }
%"class.__gnu_cxx::__normal_iterator" = type { ptr }
%"class.std::queue" = type { %"class.std::deque.9" }
%"class.std::deque.9" = type { %"class.std::_Deque_base.10" }
%"class.std::_Deque_base.10" = type { %"struct.std::_Deque_base<int, std::allocator<int>>::_Deque_impl" }
%"struct.std::_Deque_base<int, std::allocator<int>>::_Deque_impl" = type { %"struct.std::_Deque_base<int, std::allocator<int>>::_Deque_impl_data" }
%"struct.std::_Deque_base<int, std::allocator<int>>::_Deque_impl_data" = type { ptr, i64, %"struct.std::_Deque_iterator.11", %"struct.std::_Deque_iterator.11" }
%"struct.std::_Deque_iterator.11" = type { ptr, ptr, ptr, ptr }

@N = external dso_local global i32, align 4
@V = external dso_local global [100010 x %"class.std::vector"], align 16
@K = external dso_local global i32, align 4
@X = external dso_local global [100010 x i32], align 16
@parent = external dso_local global [100010 x i32], align 16
@children = external dso_local global [100010 x %"class.std::vector"], align 16
@_ZSt3cin = external global %"class.std::basic_istream", align 8
@_ZL5infty = external hidden constant i32, align 4

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorIiSaIiEEC2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24)) 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 nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #1

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt6vectorIiSaIiEE5beginEv(ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt6vectorIiSaIiEE3endEv(ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #0 align 2

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_ZN9__gnu_cxxneIPiSt6vectorIiSaIiEEEEbRKNS_17__normal_iteratorIT_T0_EESA_(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 4 dereferenceable(4) ptr @_ZNK9__gnu_cxx17__normal_iteratorIPiSt6vectorIiSaIiEEEdeEv(ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZN9__gnu_cxx17__normal_iteratorIPiSt6vectorIiSaIiEEEppEv(ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #0 align 2

; Function Attrs: mustprogress norecurse uwtable
define dso_local noundef i32 @main() local_unnamed_addr #3 personality ptr @__gxx_personality_v0 {
  %1 = alloca i32, align 4
  %2 = alloca i32, align 4
  %3 = alloca i32, align 4
  %4 = alloca i32, align 4
  %5 = alloca %"class.std::stack", align 8
  %6 = alloca %"struct.std::pair", align 8
  %7 = alloca i32, align 4
  %8 = alloca i32, align 4
  %9 = alloca i32, align 4
  %10 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %11 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %12 = alloca i32, align 4
  %13 = alloca %"struct.std::pair", align 8
  %14 = alloca %"class.std::vector", align 8
  %15 = alloca i32, align 4
  %16 = alloca %"class.std::queue", align 8
  %17 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %18 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %19 = alloca i32, align 4
  %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
  %22 = icmp sgt i32 %21, 1
  br i1 %22, label %.lr.ph, label %._crit_edge

._crit_edge:                                      ; preds = %.lr.ph, %0
  %23 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 4 dereferenceable(4) @K)
  %24 = load i32, ptr @N, align 4, !tbaa !5
  %25 = sext i32 %24 to i64
  %26 = getelementptr inbounds i32, ptr @X, i64 %25
  call void @_ZSt4fillIPiiEvT_S1_RKT0_(ptr noundef nonnull @X, ptr noundef nonnull %26, ptr noundef nonnull align 4 dereferenceable(4) @_ZL5infty)
  %27 = load i32, ptr @K, align 4, !tbaa !5
  %28 = icmp sgt i32 %27, 0
  br i1 %28, label %.lr.ph29, label %._crit_edge30

.lr.ph:                                           ; preds = %0, %.lr.ph
  %.026 = phi i32 [ %40, %.lr.ph ], [ 0, %0 ]
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %1) #7
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %2) #7
  %29 = 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)
  %30 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) %29, ptr noundef nonnull align 4 dereferenceable(4) %2)
  %31 = load i32, ptr %1, align 4, !tbaa !5
  %32 = add nsw i32 %31, -1
  store i32 %32, ptr %1, align 4, !tbaa !5
  %33 = load i32, ptr %2, align 4, !tbaa !5
  %34 = add nsw i32 %33, -1
  store i32 %34, ptr %2, align 4, !tbaa !5
  %35 = sext i32 %32 to i64
  %36 = getelementptr inbounds [100010 x %"class.std::vector"], ptr @V, i64 0, i64 %35
  call void @_ZNSt6vectorIiSaIiEE9push_backERKi(ptr noundef nonnull align 8 dereferenceable(24) %36, ptr noundef nonnull align 4 dereferenceable(4) %2)
  %37 = load i32, ptr %2, align 4, !tbaa !5
  %38 = sext i32 %37 to i64
  %39 = getelementptr inbounds [100010 x %"class.std::vector"], ptr @V, i64 0, i64 %38
  call void @_ZNSt6vectorIiSaIiEE9push_backERKi(ptr noundef nonnull align 8 dereferenceable(24) %39, ptr noundef nonnull align 4 dereferenceable(4) %1)
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %2) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %1) #7
  %40 = add nuw nsw i32 %.026, 1
  %41 = load i32, ptr @N, align 4, !tbaa !5
  %42 = add nsw i32 %41, -1
  %43 = icmp slt i32 %40, %42
  br i1 %43, label %.lr.ph, label %._crit_edge, !llvm.loop !9

._crit_edge30:                                    ; preds = %.lr.ph29, %._crit_edge
  %44 = load i32, ptr @N, align 4, !tbaa !5
  %45 = sext i32 %44 to i64
  %46 = getelementptr inbounds i32, ptr @parent, i64 %45
  call void @_ZSt4fillIPiiEvT_S1_RKT0_(ptr noundef nonnull @parent, ptr noundef nonnull %46, ptr noundef nonnull align 4 dereferenceable(4) @_ZL5infty)
  call void @llvm.lifetime.start.p0(i64 80, ptr nonnull %5) #7
  call void @_ZNSt5stackISt4pairIiiESt5dequeIS1_SaIS1_EEEC2IS4_vEEv(ptr noundef nonnull align 8 dereferenceable(80) %5)
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %6) #7
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %7) #7
  store i32 0, ptr %7, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %8) #7
  store i32 -1, ptr %8, align 4, !tbaa !5
  %47 = invoke i64 @_ZSt9make_pairIiiESt4pairINSt25__strip_reference_wrapperINSt5decayIT_E4typeEE6__typeENS1_INS2_IT0_E4typeEE6__typeEEOS3_OS8_(ptr noundef nonnull align 4 dereferenceable(4) %7, ptr noundef nonnull align 4 dereferenceable(4) %8)
          to label %58 unwind label %72

.lr.ph29:                                         ; preds = %._crit_edge, %.lr.ph29
  %.01327 = phi i32 [ %55, %.lr.ph29 ], [ 0, %._crit_edge ]
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %3) #7
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %4) #7
  %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) %3)
  %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) %4)
  %50 = load i32, ptr %3, align 4, !tbaa !5
  %51 = add nsw i32 %50, -1
  %52 = load i32, ptr %4, align 4, !tbaa !5
  %53 = sext i32 %51 to i64
  %54 = getelementptr inbounds [100010 x i32], ptr @X, i64 0, i64 %53
  store i32 %52, ptr %54, align 4, !tbaa !5
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %4) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %3) #7
  %55 = add nuw nsw i32 %.01327, 1
  %56 = load i32, ptr @K, align 4, !tbaa !5
  %57 = icmp slt i32 %55, %56
  br i1 %57, label %.lr.ph29, label %._crit_edge30, !llvm.loop !11

58:                                               ; preds = %._crit_edge30
  store i64 %47, ptr %6, align 8
  invoke void @_ZNSt5stackISt4pairIiiESt5dequeIS1_SaIS1_EEE4pushEOS1_(ptr noundef nonnull align 8 dereferenceable(80) %5, ptr noundef nonnull align 4 dereferenceable(8) %6)
          to label %59 unwind label %72

59:                                               ; preds = %58
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %8) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %7) #7
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %6) #7
  %60 = call noundef zeroext i1 @_ZNKSt5stackISt4pairIiiESt5dequeIS1_SaIS1_EEE5emptyEv(ptr noundef nonnull align 8 dereferenceable(80) %5)
  br i1 %60, label %._crit_edge36, label %.lr.ph35

.lr.ph35:                                         ; preds = %59, %96
  %61 = call noundef nonnull align 4 dereferenceable(8) ptr @_ZNSt5stackISt4pairIiiESt5dequeIS1_SaIS1_EEE3topEv(ptr noundef nonnull align 8 dereferenceable(80) %5)
  %.sroa.0.0.copyload = load i32, ptr %61, align 4
  %.sroa.5.0..sroa_idx = getelementptr inbounds i8, ptr %61, i64 4
  %.sroa.5.0.copyload = load i32, ptr %.sroa.5.0..sroa_idx, align 4
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %9) #7
  store i32 %.sroa.0.0.copyload, ptr %9, align 4, !tbaa !5
  call void @_ZNSt5stackISt4pairIiiESt5dequeIS1_SaIS1_EEE3popEv(ptr noundef nonnull align 8 dereferenceable(80) %5)
  %62 = load i32, ptr %9, align 4, !tbaa !5
  %63 = sext i32 %62 to i64
  %64 = getelementptr inbounds [100010 x i32], ptr @parent, i64 0, i64 %63
  %65 = load i32, ptr %64, align 4, !tbaa !5
  %66 = icmp eq i32 %65, 1000000007
  br i1 %66, label %67, label %96

67:                                               ; preds = %.lr.ph35
  store i32 %.sroa.5.0.copyload, ptr %64, align 4, !tbaa !5
  %68 = icmp sgt i32 %.sroa.5.0.copyload, -1
  br i1 %68, label %69, label %76

69:                                               ; preds = %67
  %70 = zext nneg i32 %.sroa.5.0.copyload to i64
  %71 = getelementptr inbounds [100010 x %"class.std::vector"], ptr @children, i64 0, i64 %70
  invoke void @_ZNSt6vectorIiSaIiEE9push_backERKi(ptr noundef nonnull align 8 dereferenceable(24) %71, ptr noundef nonnull align 4 dereferenceable(4) %9)
          to label %._crit_edge44 unwind label %74

._crit_edge44:                                    ; preds = %69
  %.pre = load i32, ptr %9, align 4, !tbaa !5
  %.pre45 = sext i32 %.pre to i64
  br label %76

72:                                               ; preds = %58, %._crit_edge30
  %73 = landingpad { ptr, i32 }
          cleanup
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %8) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %7) #7
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %6) #7
  br label %130

74:                                               ; preds = %69
  %75 = landingpad { ptr, i32 }
          cleanup
  br label %98

76:                                               ; preds = %._crit_edge44, %67
  %.pre-phi = phi i64 [ %.pre45, %._crit_edge44 ], [ %63, %67 ]
  %77 = getelementptr inbounds [100010 x %"class.std::vector"], ptr @V, i64 0, i64 %.pre-phi
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %10) #7
  %78 = call ptr @_ZNSt6vectorIiSaIiEE5beginEv(ptr noundef nonnull align 8 dereferenceable(24) %77) #7
  store ptr %78, ptr %10, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %11) #7
  %79 = call ptr @_ZNSt6vectorIiSaIiEE3endEv(ptr noundef nonnull align 8 dereferenceable(24) %77) #7
  store ptr %79, ptr %11, align 8
  %80 = call noundef zeroext i1 @_ZN9__gnu_cxxneIPiSt6vectorIiSaIiEEEEbRKNS_17__normal_iteratorIT_T0_EESA_(ptr noundef nonnull align 8 dereferenceable(8) %10, ptr noundef nonnull align 8 dereferenceable(8) %11) #7
  br i1 %80, label %.lr.ph32, label %._crit_edge33

._crit_edge33:                                    ; preds = %93, %76
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %11) #7
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %10) #7
  br label %96

.lr.ph32:                                         ; preds = %76, %93
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %12) #7
  %81 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNK9__gnu_cxx17__normal_iteratorIPiSt6vectorIiSaIiEEEdeEv(ptr noundef nonnull align 8 dereferenceable(8) %10) #7
  %82 = load i32, ptr %81, align 4, !tbaa !5
  store i32 %82, ptr %12, align 4, !tbaa !5
  %83 = sext i32 %82 to i64
  %84 = getelementptr inbounds [100010 x i32], ptr @parent, i64 0, i64 %83
  %85 = load i32, ptr %84, align 4, !tbaa !5
  %86 = icmp eq i32 %85, 1000000007
  br i1 %86, label %87, label %93

87:                                               ; preds = %.lr.ph32
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %13) #7
  %88 = invoke i64 @_ZSt9make_pairIRiS0_ESt4pairINSt25__strip_reference_wrapperINSt5decayIT_E4typeEE6__typeENS2_INS3_IT0_E4typeEE6__typeEEOS4_OS9_(ptr noundef nonnull align 4 dereferenceable(4) %12, ptr noundef nonnull align 4 dereferenceable(4) %9)
          to label %89 unwind label %91

89:                                               ; preds = %87
  store i64 %88, ptr %13, align 8
  invoke void @_ZNSt5stackISt4pairIiiESt5dequeIS1_SaIS1_EEE4pushEOS1_(ptr noundef nonnull align 8 dereferenceable(80) %5, ptr noundef nonnull align 4 dereferenceable(8) %13)
          to label %90 unwind label %91

90:                                               ; preds = %89
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %13) #7
  br label %93

91:                                               ; preds = %89, %87
  %92 = landingpad { ptr, i32 }
          cleanup
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %13) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %12) #7
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %11) #7
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %10) #7
  br label %98

93:                                               ; preds = %90, %.lr.ph32
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %12) #7
  %94 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZN9__gnu_cxx17__normal_iteratorIPiSt6vectorIiSaIiEEEppEv(ptr noundef nonnull align 8 dereferenceable(8) %10) #7
  %95 = call noundef zeroext i1 @_ZN9__gnu_cxxneIPiSt6vectorIiSaIiEEEEbRKNS_17__normal_iteratorIT_T0_EESA_(ptr noundef nonnull align 8 dereferenceable(8) %10, ptr noundef nonnull align 8 dereferenceable(8) %11) #7
  br i1 %95, label %.lr.ph32, label %._crit_edge33

96:                                               ; preds = %._crit_edge33, %.lr.ph35
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %9) #7
  %97 = call noundef zeroext i1 @_ZNKSt5stackISt4pairIiiESt5dequeIS1_SaIS1_EEE5emptyEv(ptr noundef nonnull align 8 dereferenceable(80) %5)
  br i1 %97, label %._crit_edge36, label %.lr.ph35, !llvm.loop !12

98:                                               ; preds = %91, %74
  %.pn23 = phi { ptr, i32 } [ %92, %91 ], [ %75, %74 ]
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %9) #7
  br label %130

._crit_edge36:                                    ; preds = %96, %59
  call void @llvm.lifetime.start.p0(i64 24, ptr nonnull %14) #7
  call void @_ZNSt6vectorIiSaIiEEC2Ev(ptr noundef nonnull align 8 dereferenceable(24) %14) #7
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %15) #7
  store i32 0, ptr %15, align 4, !tbaa !5
  %99 = load i32, ptr @N, align 4, !tbaa !5
  %100 = icmp sgt i32 %99, 0
  br i1 %100, label %.lr.ph39, label %._crit_edge40

._crit_edge40:                                    ; preds = %107, %._crit_edge36
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %15) #7
  call void @llvm.lifetime.start.p0(i64 80, ptr nonnull %16) #7
  invoke void @_ZNSt5queueIiSt5dequeIiSaIiEEEC2IS2_vEEv(ptr noundef nonnull align 8 dereferenceable(80) %16)
          to label %112 unwind label %116

.lr.ph39:                                         ; preds = %._crit_edge36, %107
  %storemerge37 = phi i32 [ %109, %107 ], [ 0, %._crit_edge36 ]
  %101 = sext i32 %storemerge37 to i64
  %102 = getelementptr inbounds [100010 x %"class.std::vector"], ptr @children, i64 0, i64 %101
  %103 = call noundef zeroext i1 @_ZNKSt6vectorIiSaIiEE5emptyEv(ptr noundef nonnull align 8 dereferenceable(24) %102) #7
  br i1 %103, label %104, label %107

104:                                              ; preds = %.lr.ph39
  invoke void @_ZNSt6vectorIiSaIiEE9push_backERKi(ptr noundef nonnull align 8 dereferenceable(24) %14, ptr noundef nonnull align 4 dereferenceable(4) %15)
          to label %107 unwind label %105

105:                                              ; preds = %104
  %106 = landingpad { ptr, i32 }
          cleanup
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %15) #7
  br label %129

107:                                              ; preds = %.lr.ph39, %104
  %108 = load i32, ptr %15, align 4, !tbaa !5
  %109 = add nsw i32 %108, 1
  store i32 %109, ptr %15, align 4, !tbaa !5
  %110 = load i32, ptr @N, align 4, !tbaa !5
  %111 = icmp slt i32 %109, %110
  br i1 %111, label %.lr.ph39, label %._crit_edge40, !llvm.loop !13

112:                                              ; preds = %._crit_edge40
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %17) #7
  %113 = call ptr @_ZNSt6vectorIiSaIiEE5beginEv(ptr noundef nonnull align 8 dereferenceable(24) %14) #7
  store ptr %113, ptr %17, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %18) #7
  %114 = call ptr @_ZNSt6vectorIiSaIiEE3endEv(ptr noundef nonnull align 8 dereferenceable(24) %14) #7
  store ptr %114, ptr %18, align 8
  %115 = call noundef zeroext i1 @_ZN9__gnu_cxxneIPiSt6vectorIiSaIiEEEEbRKNS_17__normal_iteratorIT_T0_EESA_(ptr noundef nonnull align 8 dereferenceable(8) %17, ptr noundef nonnull align 8 dereferenceable(8) %18) #7
  br i1 %115, label %.lr.ph42, label %._crit_edge43

._crit_edge43:                                    ; preds = %120, %112
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %18) #7
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %17) #7
  br label %125

116:                                              ; preds = %._crit_edge40
  %117 = landingpad { ptr, i32 }
          cleanup
  br label %128

.lr.ph42:                                         ; preds = %112, %120
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %19) #7
  %118 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNK9__gnu_cxx17__normal_iteratorIPiSt6vectorIiSaIiEEEdeEv(ptr noundef nonnull align 8 dereferenceable(8) %17) #7
  %119 = load i32, ptr %118, align 4, !tbaa !5
  store i32 %119, ptr %19, align 4, !tbaa !5
  invoke void @_ZNSt5queueIiSt5dequeIiSaIiEEE4pushERKi(ptr noundef nonnull align 8 dereferenceable(80) %16, ptr noundef nonnull align 4 dereferenceable(4) %19)
          to label %120 unwind label %123

120:                                              ; preds = %.lr.ph42
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %19) #7
  %121 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZN9__gnu_cxx17__normal_iteratorIPiSt6vectorIiSaIiEEEppEv(ptr noundef nonnull align 8 dereferenceable(8) %17) #7
  %122 = call noundef zeroext i1 @_ZN9__gnu_cxxneIPiSt6vectorIiSaIiEEEEbRKNS_17__normal_iteratorIT_T0_EESA_(ptr noundef nonnull align 8 dereferenceable(8) %17, ptr noundef nonnull align 8 dereferenceable(8) %18) #7
  br i1 %122, label %.lr.ph42, label %._crit_edge43

123:                                              ; preds = %.lr.ph42
  %124 = landingpad { ptr, i32 }
          cleanup
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %19) #7
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %18) #7
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %17) #7
  call void @_ZNSt5queueIiSt5dequeIiSaIiEEED2Ev(ptr noundef nonnull align 8 dereferenceable(80) %16) #7
  br label %128

125:                                              ; preds = %125, %._crit_edge43
  %126 = call noundef zeroext i1 @_ZNKSt5queueIiSt5dequeIiSaIiEEE5emptyEv(ptr noundef nonnull align 8 dereferenceable(80) %16)
  br i1 %126, label %127, label %125, !llvm.loop !14

127:                                              ; preds = %125
  call void @_ZNSt5queueIiSt5dequeIiSaIiEEED2Ev(ptr noundef nonnull align 8 dereferenceable(80) %16) #7
  call void @llvm.lifetime.end.p0(i64 80, ptr nonnull %16) #7
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %14) #7
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %14) #7
  call void @_ZNSt5stackISt4pairIiiESt5dequeIS1_SaIS1_EEED2Ev(ptr noundef nonnull align 8 dereferenceable(80) %5) #7
  call void @llvm.lifetime.end.p0(i64 80, ptr nonnull %5) #7
  ret i32 0

128:                                              ; preds = %123, %116
  %.pn = phi { ptr, i32 } [ %124, %123 ], [ %117, %116 ]
  call void @llvm.lifetime.end.p0(i64 80, ptr nonnull %16) #7
  br label %129

129:                                              ; preds = %128, %105
  %.pn21 = phi { ptr, i32 } [ %106, %105 ], [ %.pn, %128 ]
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %14) #7
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %14) #7
  br label %130

130:                                              ; preds = %129, %98, %72
  %.pn23.pn = phi { ptr, i32 } [ %.pn23, %98 ], [ %.pn21, %129 ], [ %73, %72 ]
  call void @_ZNSt5stackISt4pairIiiESt5dequeIS1_SaIS1_EEED2Ev(ptr noundef nonnull align 8 dereferenceable(80) %5) #7
  call void @llvm.lifetime.end.p0(i64 80, ptr nonnull %5) #7
  resume { ptr, i32 } %.pn23.pn
}

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 @_ZNSt6vectorIiSaIiEE9push_backERKi(ptr noundef nonnull align 8 dereferenceable(24), ptr noundef nonnull align 4 dereferenceable(4)) local_unnamed_addr #5 align 2

; Function Attrs: inlinehint mustprogress uwtable
declare dso_local void @_ZSt4fillIPiiEvT_S1_RKT0_(ptr noundef, ptr noundef, ptr noundef nonnull align 4 dereferenceable(4)) local_unnamed_addr #6

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt5stackISt4pairIiiESt5dequeIS1_SaIS1_EEEC2IS4_vEEv(ptr noundef nonnull align 8 dereferenceable(80)) unnamed_addr #5 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt5stackISt4pairIiiESt5dequeIS1_SaIS1_EEE4pushEOS1_(ptr noundef nonnull align 8 dereferenceable(80), ptr noundef nonnull align 4 dereferenceable(8)) local_unnamed_addr #5 align 2

; Function Attrs: mustprogress uwtable
declare dso_local i64 @_ZSt9make_pairIiiESt4pairINSt25__strip_reference_wrapperINSt5decayIT_E4typeEE6__typeENS1_INS2_IT0_E4typeEE6__typeEEOS3_OS8_(ptr noundef nonnull align 4 dereferenceable(4), ptr noundef nonnull align 4 dereferenceable(4)) local_unnamed_addr #5

declare i32 @__gxx_personality_v0(...)

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_ZNKSt5stackISt4pairIiiESt5dequeIS1_SaIS1_EEE5emptyEv(ptr noundef nonnull align 8 dereferenceable(80)) local_unnamed_addr #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 4 dereferenceable(8) ptr @_ZNSt5stackISt4pairIiiESt5dequeIS1_SaIS1_EEE3topEv(ptr noundef nonnull align 8 dereferenceable(80)) local_unnamed_addr #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt5stackISt4pairIiiESt5dequeIS1_SaIS1_EEE3popEv(ptr noundef nonnull align 8 dereferenceable(80)) local_unnamed_addr #0 align 2

; Function Attrs: mustprogress uwtable
declare dso_local i64 @_ZSt9make_pairIRiS0_ESt4pairINSt25__strip_reference_wrapperINSt5decayIT_E4typeEE6__typeENS2_INS3_IT0_E4typeEE6__typeEEOS4_OS9_(ptr noundef nonnull align 4 dereferenceable(4), ptr noundef nonnull align 4 dereferenceable(4)) local_unnamed_addr #5

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_ZNKSt6vectorIiSaIiEE5emptyEv(ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #0 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt5queueIiSt5dequeIiSaIiEEEC2IS2_vEEv(ptr noundef nonnull align 8 dereferenceable(80)) unnamed_addr #5 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt5queueIiSt5dequeIiSaIiEEE4pushERKi(ptr noundef nonnull align 8 dereferenceable(80), ptr noundef nonnull align 4 dereferenceable(4)) local_unnamed_addr #5 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_ZNKSt5queueIiSt5dequeIiSaIiEEE5emptyEv(ptr noundef nonnull align 8 dereferenceable(80)) local_unnamed_addr #0 align 2

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local void @_ZNSt5queueIiSt5dequeIiSaIiEEED2Ev(ptr noundef nonnull align 8 dereferenceable(80)) unnamed_addr #2 align 2

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local void @_ZNSt5stackISt4pairIiiESt5dequeIS1_SaIS1_EEED2Ev(ptr noundef nonnull align 8 dereferenceable(80)) unnamed_addr #2 align 2

attributes #0 = { 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 = { 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 #3 = { 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 #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 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 = { 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 #7 = { 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 = distinct !{!9, !10}
!10 = !{!"llvm.loop.mustprogress"}
!11 = distinct !{!11, !10}
!12 = distinct !{!12, !10}
!13 = distinct !{!13, !10}
!14 = distinct !{!14, !10}


; Effective O3 passes: BDCEPass,DSEPass,EarlyCSEPass,GVNPass,GlobalOptPass,IPSCCPPass,InferAlignmentPass,InferFunctionAttrsPass,InstCombinePass,JumpThreadingPass,LoopRotatePass,LoopSimplifyPass,LoopUnrollPass,SROAPass,SimplifyCFGPass,TailCallElimPass