; LLVM IR from kazunetakahashi/atcoder :: 2019/0629_ABC132/past (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::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::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::priority_queue" = type <{ %"class.std::vector.0", [8 x i8] }>
%"class.std::vector.0" = type { %"struct.std::_Vector_base.1" }
%"struct.std::_Vector_base.1" = type { %"struct.std::_Vector_base<std::tuple<int, int>, std::allocator<std::tuple<int, int>>>::_Vector_impl" }
%"struct.std::_Vector_base<std::tuple<int, int>, std::allocator<std::tuple<int, int>>>::_Vector_impl" = type { %"struct.std::_Vector_base<std::tuple<int, int>, std::allocator<std::tuple<int, int>>>::_Vector_impl_data" }
%"struct.std::_Vector_base<std::tuple<int, int>, std::allocator<std::tuple<int, int>>>::_Vector_impl_data" = type { ptr, ptr, ptr }
%"class.std::tuple" = type { %"struct.std::_Tuple_impl" }
%"struct.std::_Tuple_impl" = type { %"struct.std::_Tuple_impl.5", %"struct.std::_Head_base.6" }
%"struct.std::_Tuple_impl.5" = type { %"struct.std::_Head_base" }
%"struct.std::_Head_base" = type { i32 }
%"struct.std::_Head_base.6" = type { i32 }
%"class.std::tuple.7" = type { %"struct.std::_Tuple_impl.8" }
%"struct.std::_Tuple_impl.8" = type { %"struct.std::_Tuple_impl.9", %"struct.std::_Head_base.11" }
%"struct.std::_Tuple_impl.9" = type { %"struct.std::_Head_base.10" }
%"struct.std::_Head_base.10" = type { ptr }
%"struct.std::_Head_base.11" = type { ptr }
%"class.__gnu_cxx::__normal_iterator" = type { ptr }

@_ZSt4cout = external global %"class.std::basic_ostream", align 8
@N = external dso_local global i32, align 4
@M = external dso_local global i32, align 4
@S = external dso_local global i32, align 4
@T = external dso_local global i32, align 4
@V = external dso_local global [300010 x %"class.std::vector"], align 16
@visited = external dso_local global [300010 x i32], align 16
@_ZSt3cin = external global %"class.std::basic_istream", align 8

; Function Attrs: mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef) #0 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)) #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 uwtable
declare dso_local void @_Z8add_edgeii(i32 noundef, i32 noundef) #0

; Function Attrs: mustprogress norecurse uwtable
define dso_local noundef i32 @main() #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 i32, align 4
  %6 = alloca %"class.std::priority_queue", align 8
  %7 = alloca %"class.std::tuple", align 4
  %8 = alloca i32, align 4
  %9 = alloca ptr, align 8
  %10 = alloca i32, align 4
  %11 = alloca i32, align 4
  %12 = alloca i32, align 4
  %13 = alloca %"class.std::tuple.7", align 8
  %14 = alloca i32, align 4
  %15 = alloca ptr, align 8
  %16 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %17 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %18 = alloca i32, align 4
  %19 = alloca %"class.std::tuple", align 4
  %20 = alloca i32, align 4
  store i32 0, ptr %1, align 4
  %21 = 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)
  %22 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) %21, ptr noundef nonnull align 4 dereferenceable(4) @M)
  call void @llvm.lifetime.start.p0(i64 4, ptr %2) #7
  store i32 0, ptr %2, align 4, !tbaa !5
  br label %23

23:                                               ; preds = %37, %0
  %24 = load i32, ptr %2, align 4, !tbaa !5
  %25 = load i32, ptr @M, align 4, !tbaa !5
  %26 = icmp slt i32 %24, %25
  br i1 %26, label %28, label %27

27:                                               ; preds = %23
  call void @llvm.lifetime.end.p0(i64 4, ptr %2) #7
  br label %40

28:                                               ; preds = %23
  call void @llvm.lifetime.start.p0(i64 4, ptr %3) #7
  call void @llvm.lifetime.start.p0(i64 4, ptr %4) #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) %3)
  %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) %4)
  %31 = load i32, ptr %3, align 4, !tbaa !5
  %32 = add nsw i32 %31, -1
  store i32 %32, ptr %3, align 4, !tbaa !5
  %33 = load i32, ptr %4, align 4, !tbaa !5
  %34 = add nsw i32 %33, -1
  store i32 %34, ptr %4, align 4, !tbaa !5
  %35 = load i32, ptr %3, align 4, !tbaa !5
  %36 = load i32, ptr %4, align 4, !tbaa !5
  call void @_Z8add_edgeii(i32 noundef %35, i32 noundef %36)
  call void @llvm.lifetime.end.p0(i64 4, ptr %4) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr %3) #7
  br label %37

37:                                               ; preds = %28
  %38 = load i32, ptr %2, align 4, !tbaa !5
  %39 = add nsw i32 %38, 1
  store i32 %39, ptr %2, align 4, !tbaa !5
  br label %23, !llvm.loop !9

40:                                               ; preds = %27
  %41 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 4 dereferenceable(4) @S)
  %42 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) %41, ptr noundef nonnull align 4 dereferenceable(4) @T)
  %43 = load i32, ptr @S, align 4, !tbaa !5
  %44 = add nsw i32 %43, -1
  store i32 %44, ptr @S, align 4, !tbaa !5
  %45 = load i32, ptr @T, align 4, !tbaa !5
  %46 = add nsw i32 %45, -1
  store i32 %46, ptr @T, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 4, ptr %5) #7
  store i32 -1, ptr %5, align 4, !tbaa !5
  call void @_ZSt4fillIPiiEvT_S1_RKT0_(ptr noundef @visited, ptr noundef getelementptr inbounds (i32, ptr @visited, i64 300010), ptr noundef nonnull align 4 dereferenceable(4) %5)
  call void @llvm.lifetime.end.p0(i64 4, ptr %5) #7
  call void @llvm.lifetime.start.p0(i64 32, ptr %6) #7
  call void @_ZNSt14priority_queueISt5tupleIJiiEESt6vectorIS1_SaIS1_EESt7greaterIS1_EEC2IS4_vEEv(ptr noundef nonnull align 8 dereferenceable(25) %6)
  call void @llvm.lifetime.start.p0(i64 8, ptr %7) #7
  call void @llvm.lifetime.start.p0(i64 4, ptr %8) #7
  store i32 0, ptr %8, align 4, !tbaa !5
  call void @_ZNSt5tupleIJiiEEC2IiRiTnNSt9enable_ifIXclsr4_TCCIXntcl14__is_alloc_argIT_EEEEE29__is_implicitly_constructibleIS4_T0_EEEbE4typeELb1EEEOS4_OS5_(ptr noundef nonnull align 4 dereferenceable(8) %7, ptr noundef nonnull align 4 dereferenceable(4) %8, ptr noundef nonnull align 4 dereferenceable(4) @S) #7
  invoke void @_ZNSt14priority_queueISt5tupleIJiiEESt6vectorIS1_SaIS1_EESt7greaterIS1_EE4pushEOS1_(ptr noundef nonnull align 8 dereferenceable(25) %6, ptr noundef nonnull align 4 dereferenceable(8) %7)
          to label %47 unwind label %71

47:                                               ; preds = %40
  call void @llvm.lifetime.end.p0(i64 4, ptr %8) #7
  call void @llvm.lifetime.end.p0(i64 8, ptr %7) #7
  br label %48

48:                                               ; preds = %119, %47
  %49 = invoke noundef zeroext i1 @_ZNKSt14priority_queueISt5tupleIJiiEESt6vectorIS1_SaIS1_EESt7greaterIS1_EE5emptyEv(ptr noundef nonnull align 8 dereferenceable(25) %6)
          to label %50 unwind label %75

50:                                               ; preds = %48
  %51 = xor i1 %49, true
  br i1 %51, label %52, label %121

52:                                               ; preds = %50
  call void @llvm.lifetime.start.p0(i64 4, ptr %11) #7
  call void @llvm.lifetime.start.p0(i64 4, ptr %12) #7
  %53 = invoke noundef nonnull align 4 dereferenceable(8) ptr @_ZNKSt14priority_queueISt5tupleIJiiEESt6vectorIS1_SaIS1_EESt7greaterIS1_EE3topEv(ptr noundef nonnull align 8 dereferenceable(25) %6)
          to label %54 unwind label %79

54:                                               ; preds = %52
  call void @llvm.lifetime.start.p0(i64 16, ptr %13) #7
  call void @_ZSt3tieIJiiEESt5tupleIJDpRT_EES3_(ptr dead_on_unwind writable sret(%"class.std::tuple.7") align 8 %13, ptr noundef nonnull align 4 dereferenceable(4) %11, ptr noundef nonnull align 4 dereferenceable(4) %12) #7
  %55 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSt5tupleIJRiS0_EEaSIiiEENSt9enable_ifIXcl12__assignableIRKT_RKT0_EEERS1_E4typeERKS_IJS4_S7_EE(ptr noundef nonnull align 8 dereferenceable(16) %13, ptr noundef nonnull align 4 dereferenceable(8) %53) #7
  call void @llvm.lifetime.end.p0(i64 16, ptr %13) #7
  invoke void @_ZNSt14priority_queueISt5tupleIJiiEESt6vectorIS1_SaIS1_EESt7greaterIS1_EE3popEv(ptr noundef nonnull align 8 dereferenceable(25) %6)
          to label %56 unwind label %79

56:                                               ; preds = %54
  %57 = load i32, ptr %12, align 4, !tbaa !5
  %58 = sext i32 %57 to i64
  %59 = getelementptr inbounds [300010 x i32], ptr @visited, i64 0, i64 %58
  %60 = load i32, ptr %59, align 4, !tbaa !5
  %61 = icmp eq i32 %60, -1
  br i1 %61, label %62, label %116

62:                                               ; preds = %56
  %63 = load i32, ptr %11, align 4, !tbaa !5
  %64 = load i32, ptr %12, align 4, !tbaa !5
  %65 = sext i32 %64 to i64
  %66 = getelementptr inbounds [300010 x i32], ptr @visited, i64 0, i64 %65
  store i32 %63, ptr %66, align 4, !tbaa !5
  %67 = load i32, ptr %12, align 4, !tbaa !5
  %68 = load i32, ptr @T, align 4, !tbaa !5
  %69 = icmp eq i32 %67, %68
  br i1 %69, label %70, label %83

70:                                               ; preds = %62
  store i32 6, ptr %14, align 4
  br label %117

71:                                               ; preds = %40
  %72 = landingpad { ptr, i32 }
          cleanup
  %73 = extractvalue { ptr, i32 } %72, 0
  store ptr %73, ptr %9, align 8
  %74 = extractvalue { ptr, i32 } %72, 1
  store i32 %74, ptr %10, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %8) #7
  call void @llvm.lifetime.end.p0(i64 8, ptr %7) #7
  br label %143

75:                                               ; preds = %139, %133, %48
  %76 = landingpad { ptr, i32 }
          cleanup
  %77 = extractvalue { ptr, i32 } %76, 0
  store ptr %77, ptr %9, align 8
  %78 = extractvalue { ptr, i32 } %76, 1
  store i32 %78, ptr %10, align 4
  br label %143

79:                                               ; preds = %54, %52
  %80 = landingpad { ptr, i32 }
          cleanup
  %81 = extractvalue { ptr, i32 } %80, 0
  store ptr %81, ptr %9, align 8
  %82 = extractvalue { ptr, i32 } %80, 1
  store i32 %82, ptr %10, align 4
  br label %120

83:                                               ; preds = %62
  call void @llvm.lifetime.start.p0(i64 8, ptr %15) #7
  %84 = load i32, ptr %12, align 4, !tbaa !5
  %85 = sext i32 %84 to i64
  %86 = getelementptr inbounds [300010 x %"class.std::vector"], ptr @V, i64 0, i64 %85
  store ptr %86, ptr %15, align 8, !tbaa !11
  call void @llvm.lifetime.start.p0(i64 8, ptr %16) #7
  %87 = load ptr, ptr %15, align 8, !tbaa !11
  %88 = call ptr @_ZNSt6vectorIiSaIiEE5beginEv(ptr noundef nonnull align 8 dereferenceable(24) %87) #7
  %89 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %16, i32 0, i32 0
  store ptr %88, ptr %89, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr %17) #7
  %90 = load ptr, ptr %15, align 8, !tbaa !11
  %91 = call ptr @_ZNSt6vectorIiSaIiEE3endEv(ptr noundef nonnull align 8 dereferenceable(24) %90) #7
  %92 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %17, i32 0, i32 0
  store ptr %91, ptr %92, align 8
  br label %93

93:                                               ; preds = %113, %83
  %94 = call noundef zeroext i1 @_ZN9__gnu_cxxneIPiSt6vectorIiSaIiEEEEbRKNS_17__normal_iteratorIT_T0_EESA_(ptr noundef nonnull align 8 dereferenceable(8) %16, ptr noundef nonnull align 8 dereferenceable(8) %17) #7
  br i1 %94, label %96, label %95

95:                                               ; preds = %93
  store i32 7, ptr %14, align 4
  call void @llvm.lifetime.end.p0(i64 8, ptr %17) #7
  call void @llvm.lifetime.end.p0(i64 8, ptr %16) #7
  call void @llvm.lifetime.end.p0(i64 8, ptr %15) #7
  br label %115

96:                                               ; preds = %93
  call void @llvm.lifetime.start.p0(i64 4, ptr %18) #7
  %97 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNK9__gnu_cxx17__normal_iteratorIPiSt6vectorIiSaIiEEEdeEv(ptr noundef nonnull align 8 dereferenceable(8) %16) #7
  %98 = load i32, ptr %97, align 4, !tbaa !5
  store i32 %98, ptr %18, align 4, !tbaa !5
  %99 = load i32, ptr %18, align 4, !tbaa !5
  %100 = sext i32 %99 to i64
  %101 = getelementptr inbounds [300010 x i32], ptr @visited, i64 0, i64 %100
  %102 = load i32, ptr %101, align 4, !tbaa !5
  %103 = icmp eq i32 %102, -1
  br i1 %103, label %104, label %112

104:                                              ; preds = %96
  call void @llvm.lifetime.start.p0(i64 8, ptr %19) #7
  call void @llvm.lifetime.start.p0(i64 4, ptr %20) #7
  %105 = load i32, ptr %11, align 4, !tbaa !5
  %106 = add nsw i32 %105, 1
  store i32 %106, ptr %20, align 4, !tbaa !5
  call void @_ZNSt5tupleIJiiEEC2IiRiTnNSt9enable_ifIXclsr4_TCCIXntcl14__is_alloc_argIT_EEEEE29__is_implicitly_constructibleIS4_T0_EEEbE4typeELb1EEEOS4_OS5_(ptr noundef nonnull align 4 dereferenceable(8) %19, ptr noundef nonnull align 4 dereferenceable(4) %20, ptr noundef nonnull align 4 dereferenceable(4) %18) #7
  invoke void @_ZNSt14priority_queueISt5tupleIJiiEESt6vectorIS1_SaIS1_EESt7greaterIS1_EE4pushEOS1_(ptr noundef nonnull align 8 dereferenceable(25) %6, ptr noundef nonnull align 4 dereferenceable(8) %19)
          to label %107 unwind label %108

107:                                              ; preds = %104
  call void @llvm.lifetime.end.p0(i64 4, ptr %20) #7
  call void @llvm.lifetime.end.p0(i64 8, ptr %19) #7
  br label %112

108:                                              ; preds = %104
  %109 = landingpad { ptr, i32 }
          cleanup
  %110 = extractvalue { ptr, i32 } %109, 0
  store ptr %110, ptr %9, align 8
  %111 = extractvalue { ptr, i32 } %109, 1
  store i32 %111, ptr %10, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %20) #7
  call void @llvm.lifetime.end.p0(i64 8, ptr %19) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr %18) #7
  call void @llvm.lifetime.end.p0(i64 8, ptr %17) #7
  call void @llvm.lifetime.end.p0(i64 8, ptr %16) #7
  call void @llvm.lifetime.end.p0(i64 8, ptr %15) #7
  br label %120

112:                                              ; preds = %107, %96
  call void @llvm.lifetime.end.p0(i64 4, ptr %18) #7
  br label %113

113:                                              ; preds = %112
  %114 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZN9__gnu_cxx17__normal_iteratorIPiSt6vectorIiSaIiEEEppEv(ptr noundef nonnull align 8 dereferenceable(8) %16) #7
  br label %93

115:                                              ; preds = %95
  br label %116

116:                                              ; preds = %115, %56
  store i32 0, ptr %14, align 4
  br label %117

117:                                              ; preds = %116, %70
  call void @llvm.lifetime.end.p0(i64 4, ptr %12) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr %11) #7
  %118 = load i32, ptr %14, align 4
  switch i32 %118, label %149 [
    i32 0, label %119
    i32 6, label %121
  ]

119:                                              ; preds = %117
  br label %48, !llvm.loop !13

120:                                              ; preds = %108, %79
  call void @llvm.lifetime.end.p0(i64 4, ptr %12) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr %11) #7
  br label %143

121:                                              ; preds = %117, %50
  %122 = load i32, ptr @T, align 4, !tbaa !5
  %123 = sext i32 %122 to i64
  %124 = getelementptr inbounds [300010 x i32], ptr @visited, i64 0, i64 %123
  %125 = load i32, ptr %124, align 4, !tbaa !5
  %126 = icmp sgt i32 %125, 0
  br i1 %126, label %127, label %133

127:                                              ; preds = %121
  %128 = load i32, ptr @T, align 4, !tbaa !5
  %129 = sext i32 %128 to i64
  %130 = getelementptr inbounds [300010 x i32], ptr @visited, i64 0, i64 %129
  %131 = load i32, ptr %130, align 4, !tbaa !5
  %132 = sdiv i32 %131, 3
  store i32 %132, ptr %130, align 4, !tbaa !5
  br label %133

133:                                              ; preds = %127, %121
  %134 = load i32, ptr @T, align 4, !tbaa !5
  %135 = sext i32 %134 to i64
  %136 = getelementptr inbounds [300010 x i32], ptr @visited, i64 0, i64 %135
  %137 = load i32, ptr %136, align 4, !tbaa !5
  %138 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, i32 noundef %137)
          to label %139 unwind label %75

139:                                              ; preds = %133
  %140 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) %138, ptr noundef @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
          to label %141 unwind label %75

141:                                              ; preds = %139
  call void @_ZNSt14priority_queueISt5tupleIJiiEESt6vectorIS1_SaIS1_EESt7greaterIS1_EED2Ev(ptr noundef nonnull align 8 dereferenceable(25) %6) #7
  call void @llvm.lifetime.end.p0(i64 32, ptr %6) #7
  %142 = load i32, ptr %1, align 4
  ret i32 %142

143:                                              ; preds = %120, %75, %71
  call void @_ZNSt14priority_queueISt5tupleIJiiEESt6vectorIS1_SaIS1_EESt7greaterIS1_EED2Ev(ptr noundef nonnull align 8 dereferenceable(25) %6) #7
  call void @llvm.lifetime.end.p0(i64 32, ptr %6) #7
  br label %144

144:                                              ; preds = %143
  %145 = load ptr, ptr %9, align 8
  %146 = load i32, ptr %10, align 4
  %147 = insertvalue { ptr, i32 } poison, ptr %145, 0
  %148 = insertvalue { ptr, i32 } %147, i32 %146, 1
  resume { ptr, i32 } %148

149:                                              ; preds = %117
  unreachable
}

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: inlinehint mustprogress uwtable
declare dso_local void @_ZSt4fillIPiiEvT_S1_RKT0_(ptr noundef, ptr noundef, ptr noundef nonnull align 4 dereferenceable(4)) #1

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt14priority_queueISt5tupleIJiiEESt6vectorIS1_SaIS1_EESt7greaterIS1_EEC2IS4_vEEv(ptr noundef nonnull align 8 dereferenceable(25)) unnamed_addr #5 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt14priority_queueISt5tupleIJiiEESt6vectorIS1_SaIS1_EESt7greaterIS1_EE4pushEOS1_(ptr noundef nonnull align 8 dereferenceable(25), ptr noundef nonnull align 4 dereferenceable(8)) #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt5tupleIJiiEEC2IiRiTnNSt9enable_ifIXclsr4_TCCIXntcl14__is_alloc_argIT_EEEEE29__is_implicitly_constructibleIS4_T0_EEEbE4typeELb1EEEOS4_OS5_(ptr noundef nonnull align 4 dereferenceable(8), ptr noundef nonnull align 4 dereferenceable(4), ptr noundef nonnull align 4 dereferenceable(4)) unnamed_addr #5 align 2

declare i32 @__gxx_personality_v0(...)

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_ZNKSt14priority_queueISt5tupleIJiiEESt6vectorIS1_SaIS1_EESt7greaterIS1_EE5emptyEv(ptr noundef nonnull align 8 dereferenceable(25)) #5 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 4 dereferenceable(8) ptr @_ZNKSt14priority_queueISt5tupleIJiiEESt6vectorIS1_SaIS1_EESt7greaterIS1_EE3topEv(ptr noundef nonnull align 8 dereferenceable(25)) #5 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZSt3tieIJiiEESt5tupleIJDpRT_EES3_(ptr dead_on_unwind noalias writable sret(%"class.std::tuple.7") align 8, ptr noundef nonnull align 4 dereferenceable(4), ptr noundef nonnull align 4 dereferenceable(4)) #5

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(16) ptr @_ZNSt5tupleIJRiS0_EEaSIiiEENSt9enable_ifIXcl12__assignableIRKT_RKT0_EEERS1_E4typeERKS_IJS4_S7_EE(ptr noundef nonnull align 8 dereferenceable(16), ptr noundef nonnull align 4 dereferenceable(8)) #5 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt14priority_queueISt5tupleIJiiEESt6vectorIS1_SaIS1_EESt7greaterIS1_EE3popEv(ptr noundef nonnull align 8 dereferenceable(25)) #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt6vectorIiSaIiEE5beginEv(ptr noundef nonnull align 8 dereferenceable(24)) #5 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt6vectorIiSaIiEE3endEv(ptr noundef nonnull align 8 dereferenceable(24)) #5 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)) #6

; 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)) #5 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)) #5 align 2

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

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local void @_ZNSt14priority_queueISt5tupleIJiiEESt6vectorIS1_SaIS1_EESt7greaterIS1_EED2Ev(ptr noundef nonnull align 8 dereferenceable(25)) unnamed_addr #6 align 2

attributes #0 = { 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 #1 = { 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 #2 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
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 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 = { 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 #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 = !{!12, !12, i64 0}
!12 = !{!"any pointer", !7, i64 0}
!13 = distinct !{!13, !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::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::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::priority_queue" = type <{ %"class.std::vector.0", [8 x i8] }>
%"class.std::vector.0" = type { %"struct.std::_Vector_base.1" }
%"struct.std::_Vector_base.1" = type { %"struct.std::_Vector_base<std::tuple<int, int>, std::allocator<std::tuple<int, int>>>::_Vector_impl" }
%"struct.std::_Vector_base<std::tuple<int, int>, std::allocator<std::tuple<int, int>>>::_Vector_impl" = type { %"struct.std::_Vector_base<std::tuple<int, int>, std::allocator<std::tuple<int, int>>>::_Vector_impl_data" }
%"struct.std::_Vector_base<std::tuple<int, int>, std::allocator<std::tuple<int, int>>>::_Vector_impl_data" = type { ptr, ptr, ptr }
%"class.std::tuple" = type { %"struct.std::_Tuple_impl" }
%"struct.std::_Tuple_impl" = type { %"struct.std::_Tuple_impl.5", %"struct.std::_Head_base.6" }
%"struct.std::_Tuple_impl.5" = type { %"struct.std::_Head_base" }
%"struct.std::_Head_base" = type { i32 }
%"struct.std::_Head_base.6" = type { i32 }
%"class.std::tuple.7" = type { %"struct.std::_Tuple_impl.8" }
%"struct.std::_Tuple_impl.8" = type { %"struct.std::_Tuple_impl.9", %"struct.std::_Head_base.11" }
%"struct.std::_Tuple_impl.9" = type { %"struct.std::_Head_base.10" }
%"struct.std::_Head_base.10" = type { ptr }
%"struct.std::_Head_base.11" = type { ptr }
%"class.__gnu_cxx::__normal_iterator" = type { ptr }

@_ZSt4cout = external global %"class.std::basic_ostream", align 8
@N = external dso_local global i32, align 4
@M = external dso_local global i32, align 4
@S = external dso_local global i32, align 4
@T = external dso_local global i32, align 4
@V = external dso_local global [300010 x %"class.std::vector"], align 16
@visited = external dso_local global [300010 x i32], align 16
@_ZSt3cin = external global %"class.std::basic_istream", align 8

; 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 #0 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)) #1

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

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

; Function Attrs: mustprogress uwtable
declare dso_local void @_Z8add_edgeii(i32 noundef, i32 noundef) local_unnamed_addr #0

; 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 %"class.std::priority_queue", align 8
  %5 = alloca %"class.std::tuple", align 4
  %6 = alloca i32, align 4
  %7 = alloca i32, align 4
  %8 = alloca i32, align 4
  %9 = alloca %"class.std::tuple.7", align 8
  %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 %"class.std::tuple", align 4
  %14 = alloca i32, align 4
  %15 = 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)
  %16 = tail call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) %15, ptr noundef nonnull align 4 dereferenceable(4) @M)
  %17 = load i32, ptr @M, align 4, !tbaa !5
  %18 = icmp sgt i32 %17, 0
  br i1 %18, label %.lr.ph, label %._crit_edge

._crit_edge:                                      ; preds = %.lr.ph, %0
  %19 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 4 dereferenceable(4) @S)
  %20 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) %19, ptr noundef nonnull align 4 dereferenceable(4) @T)
  %21 = load i32, ptr @S, align 4, !tbaa !5
  %22 = add nsw i32 %21, -1
  store i32 %22, ptr @S, align 4, !tbaa !5
  %23 = load i32, ptr @T, align 4, !tbaa !5
  %24 = add nsw i32 %23, -1
  store i32 %24, ptr @T, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %3) #7
  store i32 -1, ptr %3, align 4, !tbaa !5
  call void @_ZSt4fillIPiiEvT_S1_RKT0_(ptr noundef nonnull @visited, ptr noundef nonnull getelementptr inbounds (i8, ptr @visited, i64 1200040), ptr noundef nonnull align 4 dereferenceable(4) %3)
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %3) #7
  call void @llvm.lifetime.start.p0(i64 32, ptr nonnull %4) #7
  call void @_ZNSt14priority_queueISt5tupleIJiiEESt6vectorIS1_SaIS1_EESt7greaterIS1_EEC2IS4_vEEv(ptr noundef nonnull align 8 dereferenceable(25) %4)
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %5) #7
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %6) #7
  store i32 0, ptr %6, align 4, !tbaa !5
  call void @_ZNSt5tupleIJiiEEC2IiRiTnNSt9enable_ifIXclsr4_TCCIXntcl14__is_alloc_argIT_EEEEE29__is_implicitly_constructibleIS4_T0_EEEbE4typeELb1EEEOS4_OS5_(ptr noundef nonnull align 4 dereferenceable(8) %5, ptr noundef nonnull align 4 dereferenceable(4) %6, ptr noundef nonnull align 4 dereferenceable(4) @S) #7
  invoke void @_ZNSt14priority_queueISt5tupleIJiiEESt6vectorIS1_SaIS1_EESt7greaterIS1_EE4pushEOS1_(ptr noundef nonnull align 8 dereferenceable(25) %4, ptr noundef nonnull align 4 dereferenceable(8) %5)
          to label %34 unwind label %48

.lr.ph:                                           ; preds = %0, %.lr.ph
  %.018 = phi i32 [ %31, %.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
  %25 = 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)
  %26 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) %25, ptr noundef nonnull align 4 dereferenceable(4) %2)
  %27 = load i32, ptr %1, align 4, !tbaa !5
  %28 = add nsw i32 %27, -1
  store i32 %28, ptr %1, align 4, !tbaa !5
  %29 = load i32, ptr %2, align 4, !tbaa !5
  %30 = add nsw i32 %29, -1
  store i32 %30, ptr %2, align 4, !tbaa !5
  call void @_Z8add_edgeii(i32 noundef %28, i32 noundef %30)
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %2) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %1) #7
  %31 = add nuw nsw i32 %.018, 1
  %32 = load i32, ptr @M, align 4, !tbaa !5
  %33 = icmp slt i32 %31, %32
  br i1 %33, label %.lr.ph, label %._crit_edge, !llvm.loop !9

34:                                               ; preds = %._crit_edge
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %6) #7
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %5) #7
  %35 = call noundef zeroext i1 @_ZNKSt14priority_queueISt5tupleIJiiEESt6vectorIS1_SaIS1_EESt7greaterIS1_EE5emptyEv(ptr noundef nonnull align 8 dereferenceable(25) %4)
  br i1 %35, label %.loopexit, label %.lr.ph23

.lr.ph23:                                         ; preds = %34, %74
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %7) #7
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %8) #7
  %36 = call noundef nonnull align 4 dereferenceable(8) ptr @_ZNKSt14priority_queueISt5tupleIJiiEESt6vectorIS1_SaIS1_EESt7greaterIS1_EE3topEv(ptr noundef nonnull align 8 dereferenceable(25) %4)
  call void @llvm.lifetime.start.p0(i64 16, ptr nonnull %9) #7
  call void @_ZSt3tieIJiiEESt5tupleIJDpRT_EES3_(ptr dead_on_unwind nonnull writable sret(%"class.std::tuple.7") align 8 %9, ptr noundef nonnull align 4 dereferenceable(4) %7, ptr noundef nonnull align 4 dereferenceable(4) %8) #7
  %37 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSt5tupleIJRiS0_EEaSIiiEENSt9enable_ifIXcl12__assignableIRKT_RKT0_EEERS1_E4typeERKS_IJS4_S7_EE(ptr noundef nonnull align 8 dereferenceable(16) %9, ptr noundef nonnull align 4 dereferenceable(8) %36) #7
  call void @llvm.lifetime.end.p0(i64 16, ptr nonnull %9) #7
  invoke void @_ZNSt14priority_queueISt5tupleIJiiEESt6vectorIS1_SaIS1_EESt7greaterIS1_EE3popEv(ptr noundef nonnull align 8 dereferenceable(25) %4)
          to label %38 unwind label %52

38:                                               ; preds = %.lr.ph23
  %39 = load i32, ptr %8, align 4, !tbaa !5
  %40 = sext i32 %39 to i64
  %41 = getelementptr inbounds [300010 x i32], ptr @visited, i64 0, i64 %40
  %42 = load i32, ptr %41, align 4, !tbaa !5
  %43 = icmp eq i32 %42, -1
  br i1 %43, label %44, label %74

44:                                               ; preds = %38
  %45 = load i32, ptr %7, align 4, !tbaa !5
  store i32 %45, ptr %41, align 4, !tbaa !5
  %46 = load i32, ptr @T, align 4, !tbaa !5
  %47 = icmp eq i32 %39, %46
  br i1 %47, label %.thread, label %54

.thread:                                          ; preds = %44
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %8) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %7) #7
  br label %.loopexit

48:                                               ; preds = %._crit_edge
  %49 = landingpad { ptr, i32 }
          cleanup
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %6) #7
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %5) #7
  br label %90

50:                                               ; preds = %87, %84
  %51 = landingpad { ptr, i32 }
          cleanup
  br label %90

52:                                               ; preds = %.lr.ph23
  %53 = landingpad { ptr, i32 }
          cleanup
  br label %76

54:                                               ; preds = %44
  %55 = getelementptr inbounds [300010 x %"class.std::vector"], ptr @V, i64 0, i64 %40
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %10) #7
  %56 = call ptr @_ZNSt6vectorIiSaIiEE5beginEv(ptr noundef nonnull align 8 dereferenceable(24) %55) #7
  store ptr %56, ptr %10, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %11) #7
  %57 = call ptr @_ZNSt6vectorIiSaIiEE3endEv(ptr noundef nonnull align 8 dereferenceable(24) %55) #7
  store ptr %57, ptr %11, align 8
  %58 = 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 %58, label %.lr.ph20, label %._crit_edge21

._crit_edge21:                                    ; preds = %71, %54
  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 %74

.lr.ph20:                                         ; preds = %54, %71
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %12) #7
  %59 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNK9__gnu_cxx17__normal_iteratorIPiSt6vectorIiSaIiEEEdeEv(ptr noundef nonnull align 8 dereferenceable(8) %10) #7
  %60 = load i32, ptr %59, align 4, !tbaa !5
  store i32 %60, ptr %12, align 4, !tbaa !5
  %61 = sext i32 %60 to i64
  %62 = getelementptr inbounds [300010 x i32], ptr @visited, i64 0, i64 %61
  %63 = load i32, ptr %62, align 4, !tbaa !5
  %64 = icmp eq i32 %63, -1
  br i1 %64, label %65, label %71

65:                                               ; preds = %.lr.ph20
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %13) #7
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %14) #7
  %66 = load i32, ptr %7, align 4, !tbaa !5
  %67 = add nsw i32 %66, 1
  store i32 %67, ptr %14, align 4, !tbaa !5
  call void @_ZNSt5tupleIJiiEEC2IiRiTnNSt9enable_ifIXclsr4_TCCIXntcl14__is_alloc_argIT_EEEEE29__is_implicitly_constructibleIS4_T0_EEEbE4typeELb1EEEOS4_OS5_(ptr noundef nonnull align 4 dereferenceable(8) %13, ptr noundef nonnull align 4 dereferenceable(4) %14, ptr noundef nonnull align 4 dereferenceable(4) %12) #7
  invoke void @_ZNSt14priority_queueISt5tupleIJiiEESt6vectorIS1_SaIS1_EESt7greaterIS1_EE4pushEOS1_(ptr noundef nonnull align 8 dereferenceable(25) %4, ptr noundef nonnull align 4 dereferenceable(8) %13)
          to label %68 unwind label %69

68:                                               ; preds = %65
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %14) #7
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %13) #7
  br label %71

69:                                               ; preds = %65
  %70 = landingpad { ptr, i32 }
          cleanup
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %14) #7
  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 %76

71:                                               ; preds = %68, %.lr.ph20
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %12) #7
  %72 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZN9__gnu_cxx17__normal_iteratorIPiSt6vectorIiSaIiEEEppEv(ptr noundef nonnull align 8 dereferenceable(8) %10) #7
  %73 = 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 %73, label %.lr.ph20, label %._crit_edge21

74:                                               ; preds = %38, %._crit_edge21
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %8) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %7) #7
  %75 = call noundef zeroext i1 @_ZNKSt14priority_queueISt5tupleIJiiEESt6vectorIS1_SaIS1_EESt7greaterIS1_EE5emptyEv(ptr noundef nonnull align 8 dereferenceable(25) %4)
  br i1 %75, label %.loopexit, label %.lr.ph23

76:                                               ; preds = %69, %52
  %.pn = phi { ptr, i32 } [ %70, %69 ], [ %53, %52 ]
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %8) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %7) #7
  br label %90

.loopexit:                                        ; preds = %74, %34, %.thread
  %77 = load i32, ptr @T, align 4, !tbaa !5
  %78 = sext i32 %77 to i64
  %79 = getelementptr inbounds [300010 x i32], ptr @visited, i64 0, i64 %78
  %80 = load i32, ptr %79, align 4, !tbaa !5
  %81 = icmp sgt i32 %80, 0
  br i1 %81, label %82, label %84

82:                                               ; preds = %.loopexit
  %83 = udiv i32 %80, 3
  store i32 %83, ptr %79, align 4, !tbaa !5
  br label %84

84:                                               ; preds = %82, %.loopexit
  %85 = phi i32 [ %83, %82 ], [ %80, %.loopexit ]
  %86 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, i32 noundef %85)
          to label %87 unwind label %50

87:                                               ; preds = %84
  %88 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) %86, ptr noundef nonnull @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
          to label %89 unwind label %50

89:                                               ; preds = %87
  call void @_ZNSt14priority_queueISt5tupleIJiiEESt6vectorIS1_SaIS1_EESt7greaterIS1_EED2Ev(ptr noundef nonnull align 8 dereferenceable(25) %4) #7
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %4) #7
  ret i32 0

90:                                               ; preds = %76, %50, %48
  %.pn14 = phi { ptr, i32 } [ %51, %50 ], [ %.pn, %76 ], [ %49, %48 ]
  call void @_ZNSt14priority_queueISt5tupleIJiiEESt6vectorIS1_SaIS1_EESt7greaterIS1_EED2Ev(ptr noundef nonnull align 8 dereferenceable(25) %4) #7
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %4) #7
  resume { ptr, i32 } %.pn14
}

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: inlinehint mustprogress uwtable
declare dso_local void @_ZSt4fillIPiiEvT_S1_RKT0_(ptr noundef, ptr noundef, ptr noundef nonnull align 4 dereferenceable(4)) local_unnamed_addr #1

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt14priority_queueISt5tupleIJiiEESt6vectorIS1_SaIS1_EESt7greaterIS1_EEC2IS4_vEEv(ptr noundef nonnull align 8 dereferenceable(25)) unnamed_addr #5 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt14priority_queueISt5tupleIJiiEESt6vectorIS1_SaIS1_EESt7greaterIS1_EE4pushEOS1_(ptr noundef nonnull align 8 dereferenceable(25), ptr noundef nonnull align 4 dereferenceable(8)) local_unnamed_addr #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt5tupleIJiiEEC2IiRiTnNSt9enable_ifIXclsr4_TCCIXntcl14__is_alloc_argIT_EEEEE29__is_implicitly_constructibleIS4_T0_EEEbE4typeELb1EEEOS4_OS5_(ptr noundef nonnull align 4 dereferenceable(8), ptr noundef nonnull align 4 dereferenceable(4), ptr noundef nonnull align 4 dereferenceable(4)) unnamed_addr #5 align 2

declare i32 @__gxx_personality_v0(...)

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_ZNKSt14priority_queueISt5tupleIJiiEESt6vectorIS1_SaIS1_EESt7greaterIS1_EE5emptyEv(ptr noundef nonnull align 8 dereferenceable(25)) local_unnamed_addr #5 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 4 dereferenceable(8) ptr @_ZNKSt14priority_queueISt5tupleIJiiEESt6vectorIS1_SaIS1_EESt7greaterIS1_EE3topEv(ptr noundef nonnull align 8 dereferenceable(25)) local_unnamed_addr #5 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZSt3tieIJiiEESt5tupleIJDpRT_EES3_(ptr dead_on_unwind noalias writable sret(%"class.std::tuple.7") align 8, 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 nonnull align 8 dereferenceable(16) ptr @_ZNSt5tupleIJRiS0_EEaSIiiEENSt9enable_ifIXcl12__assignableIRKT_RKT0_EEERS1_E4typeERKS_IJS4_S7_EE(ptr noundef nonnull align 8 dereferenceable(16), ptr noundef nonnull align 4 dereferenceable(8)) local_unnamed_addr #5 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt14priority_queueISt5tupleIJiiEESt6vectorIS1_SaIS1_EESt7greaterIS1_EE3popEv(ptr noundef nonnull align 8 dereferenceable(25)) local_unnamed_addr #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt6vectorIiSaIiEE5beginEv(ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #5 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt6vectorIiSaIiEE3endEv(ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #5 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 #6

; 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 #5 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 #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: inlinehint mustprogress nounwind uwtable
declare dso_local void @_ZNSt14priority_queueISt5tupleIJiiEESt6vectorIS1_SaIS1_EESt7greaterIS1_EED2Ev(ptr noundef nonnull align 8 dereferenceable(25)) unnamed_addr #6 align 2

attributes #0 = { 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 #1 = { 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 #2 = { mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
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 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 = { 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 #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"}


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