; LLVM IR from kazunetakahashi/atcoder :: 2020/0304_ABC157/past (D)

; 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::basic_istream" = type { ptr, i64, %"class.std::basic_ios" }
%"class.std::vector" = type { %"struct.std::_Vector_base" }
%"struct.std::_Vector_base" = type { %"struct.std::_Vector_base<std::vector<int>, std::allocator<std::vector<int>>>::_Vector_impl" }
%"struct.std::_Vector_base<std::vector<int>, std::allocator<std::vector<int>>>::_Vector_impl" = type { %"struct.std::_Vector_base<std::vector<int>, std::allocator<std::vector<int>>>::_Vector_impl_data" }
%"struct.std::_Vector_base<std::vector<int>, std::allocator<std::vector<int>>>::_Vector_impl_data" = type { ptr, ptr, ptr }
%"class.std::allocator" = type { i8 }
%class.UnionFind = type { i32, %"class.std::vector.0" }
%"class.std::vector.0" = type { %"struct.std::_Vector_base.1" }
%"struct.std::_Vector_base.1" = 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.__gnu_cxx::__normal_iterator" = type { ptr }

@_ZSt4cout = external global %"class.std::basic_ostream", align 8
@_ZSt3cin = external global %"class.std::basic_istream", align 8
@_ZSt4cerr = external global %"class.std::basic_ostream", align 8
@.str.2 = external hidden unnamed_addr constant [9 x i8], align 1
@.str.3 = external hidden unnamed_addr constant [5 x i8], align 1
@.str.4 = external hidden unnamed_addr constant [3 x i8], align 1
@.str.5 = external hidden unnamed_addr constant [12 x i8], align 1
@.str.6 = external hidden unnamed_addr constant [3 x i8], align 1
@.str.7 = external hidden unnamed_addr constant [2 x i8], align 1

; Function Attrs: inlinehint mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef) #0

; Function Attrs: mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef) #1 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)) #0

; Function Attrs: mustprogress norecurse uwtable
define dso_local noundef i32 @main() #2 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::vector", align 8
  %6 = alloca %"class.std::allocator", align 1
  %7 = alloca ptr, align 8
  %8 = alloca i32, align 4
  %9 = alloca %"class.std::vector", align 8
  %10 = alloca %"class.std::allocator", align 1
  %11 = alloca i32, align 4
  %12 = alloca i32, align 4
  %13 = alloca i32, align 4
  %14 = alloca i32, align 4
  %15 = alloca i32, align 4
  %16 = alloca i32, align 4
  %17 = alloca %class.UnionFind, align 8
  %18 = alloca i32, align 4
  %19 = alloca i32, align 4
  %20 = alloca ptr, align 8
  %21 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %22 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %23 = alloca i32, align 4
  %24 = alloca i32, align 4
  %25 = alloca i32, align 4
  %26 = alloca i32, align 4
  %27 = alloca ptr, align 8
  %28 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %29 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %30 = alloca i32, align 4
  store i32 0, ptr %1, align 4
  call void @llvm.lifetime.start.p0(i64 4, ptr %2) #7
  call void @llvm.lifetime.start.p0(i64 4, ptr %3) #7
  call void @llvm.lifetime.start.p0(i64 4, ptr %4) #7
  %31 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 4 dereferenceable(4) %2)
  %32 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) %31, ptr noundef nonnull align 4 dereferenceable(4) %3)
  %33 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) %32, ptr noundef nonnull align 4 dereferenceable(4) %4)
  call void @llvm.lifetime.start.p0(i64 24, ptr %5) #7
  %34 = load i32, ptr %2, align 4, !tbaa !5
  %35 = sext i32 %34 to i64
  call void @llvm.lifetime.start.p0(i64 1, ptr %6) #7
  call void @_ZNSaISt6vectorIiSaIiEEEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %6) #7
  invoke void @_ZNSt6vectorIS_IiSaIiEESaIS1_EEC2EmRKS2_(ptr noundef nonnull align 8 dereferenceable(24) %5, i64 noundef %35, ptr noundef nonnull align 1 dereferenceable(1) %6)
          to label %36 unwind label %45

36:                                               ; preds = %0
  call void @_ZNSt15__new_allocatorISt6vectorIiSaIiEEED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %6) #7
  call void @llvm.lifetime.end.p0(i64 1, ptr %6) #7
  call void @llvm.lifetime.start.p0(i64 24, ptr %9) #7
  %37 = load i32, ptr %2, align 4, !tbaa !5
  %38 = sext i32 %37 to i64
  call void @llvm.lifetime.start.p0(i64 1, ptr %10) #7
  call void @_ZNSaISt6vectorIiSaIiEEEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %10) #7
  invoke void @_ZNSt6vectorIS_IiSaIiEESaIS1_EEC2EmRKS2_(ptr noundef nonnull align 8 dereferenceable(24) %9, i64 noundef %38, ptr noundef nonnull align 1 dereferenceable(1) %10)
          to label %39 unwind label %49

39:                                               ; preds = %36
  call void @_ZNSt15__new_allocatorISt6vectorIiSaIiEEED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %10) #7
  call void @llvm.lifetime.end.p0(i64 1, ptr %10) #7
  call void @llvm.lifetime.start.p0(i64 4, ptr %11) #7
  store i32 0, ptr %11, align 4, !tbaa !5
  br label %40

40:                                               ; preds = %70, %39
  %41 = load i32, ptr %11, align 4, !tbaa !5
  %42 = load i32, ptr %3, align 4, !tbaa !5
  %43 = icmp slt i32 %41, %42
  br i1 %43, label %53, label %44

44:                                               ; preds = %40
  call void @llvm.lifetime.end.p0(i64 4, ptr %11) #7
  br label %77

45:                                               ; preds = %0
  %46 = landingpad { ptr, i32 }
          cleanup
  %47 = extractvalue { ptr, i32 } %46, 0
  store ptr %47, ptr %7, align 8
  %48 = extractvalue { ptr, i32 } %46, 1
  store i32 %48, ptr %8, align 4
  call void @_ZNSt15__new_allocatorISt6vectorIiSaIiEEED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %6) #7
  call void @llvm.lifetime.end.p0(i64 1, ptr %6) #7
  br label %282

49:                                               ; preds = %36
  %50 = landingpad { ptr, i32 }
          cleanup
  %51 = extractvalue { ptr, i32 } %50, 0
  store ptr %51, ptr %7, align 8
  %52 = extractvalue { ptr, i32 } %50, 1
  store i32 %52, ptr %8, align 4
  call void @_ZNSt15__new_allocatorISt6vectorIiSaIiEEED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %10) #7
  call void @llvm.lifetime.end.p0(i64 1, ptr %10) #7
  br label %281

53:                                               ; preds = %40
  call void @llvm.lifetime.start.p0(i64 4, ptr %12) #7
  call void @llvm.lifetime.start.p0(i64 4, ptr %13) #7
  %54 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 4 dereferenceable(4) %12)
          to label %55 unwind label %73

55:                                               ; preds = %53
  %56 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) %54, ptr noundef nonnull align 4 dereferenceable(4) %13)
          to label %57 unwind label %73

57:                                               ; preds = %55
  %58 = load i32, ptr %12, align 4, !tbaa !5
  %59 = add nsw i32 %58, -1
  store i32 %59, ptr %12, align 4, !tbaa !5
  %60 = load i32, ptr %13, align 4, !tbaa !5
  %61 = add nsw i32 %60, -1
  store i32 %61, ptr %13, align 4, !tbaa !5
  %62 = load i32, ptr %12, align 4, !tbaa !5
  %63 = sext i32 %62 to i64
  %64 = call noundef nonnull align 8 dereferenceable(24) ptr @_ZNSt6vectorIS_IiSaIiEESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %5, i64 noundef %63) #7
  invoke void @_ZNSt6vectorIiSaIiEE9push_backERKi(ptr noundef nonnull align 8 dereferenceable(24) %64, ptr noundef nonnull align 4 dereferenceable(4) %13)
          to label %65 unwind label %73

65:                                               ; preds = %57
  %66 = load i32, ptr %13, align 4, !tbaa !5
  %67 = sext i32 %66 to i64
  %68 = call noundef nonnull align 8 dereferenceable(24) ptr @_ZNSt6vectorIS_IiSaIiEESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %5, i64 noundef %67) #7
  invoke void @_ZNSt6vectorIiSaIiEE9push_backERKi(ptr noundef nonnull align 8 dereferenceable(24) %68, ptr noundef nonnull align 4 dereferenceable(4) %12)
          to label %69 unwind label %73

69:                                               ; preds = %65
  call void @llvm.lifetime.end.p0(i64 4, ptr %13) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr %12) #7
  br label %70

70:                                               ; preds = %69
  %71 = load i32, ptr %11, align 4, !tbaa !5
  %72 = add nsw i32 %71, 1
  store i32 %72, ptr %11, align 4, !tbaa !5
  br label %40, !llvm.loop !9

73:                                               ; preds = %65, %57, %55, %53
  %74 = landingpad { ptr, i32 }
          cleanup
  %75 = extractvalue { ptr, i32 } %74, 0
  store ptr %75, ptr %7, align 8
  %76 = extractvalue { ptr, i32 } %74, 1
  store i32 %76, ptr %8, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %13) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr %12) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr %11) #7
  br label %280

77:                                               ; preds = %44
  call void @llvm.lifetime.start.p0(i64 4, ptr %14) #7
  store i32 0, ptr %14, align 4, !tbaa !5
  br label %78

78:                                               ; preds = %100, %77
  %79 = load i32, ptr %14, align 4, !tbaa !5
  %80 = load i32, ptr %4, align 4, !tbaa !5
  %81 = icmp slt i32 %79, %80
  br i1 %81, label %83, label %82

82:                                               ; preds = %78
  call void @llvm.lifetime.end.p0(i64 4, ptr %14) #7
  br label %107

83:                                               ; preds = %78
  call void @llvm.lifetime.start.p0(i64 4, ptr %15) #7
  call void @llvm.lifetime.start.p0(i64 4, ptr %16) #7
  %84 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 4 dereferenceable(4) %15)
          to label %85 unwind label %103

85:                                               ; preds = %83
  %86 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) %84, ptr noundef nonnull align 4 dereferenceable(4) %16)
          to label %87 unwind label %103

87:                                               ; preds = %85
  %88 = load i32, ptr %15, align 4, !tbaa !5
  %89 = add nsw i32 %88, -1
  store i32 %89, ptr %15, align 4, !tbaa !5
  %90 = load i32, ptr %16, align 4, !tbaa !5
  %91 = add nsw i32 %90, -1
  store i32 %91, ptr %16, align 4, !tbaa !5
  %92 = load i32, ptr %15, align 4, !tbaa !5
  %93 = sext i32 %92 to i64
  %94 = call noundef nonnull align 8 dereferenceable(24) ptr @_ZNSt6vectorIS_IiSaIiEESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %9, i64 noundef %93) #7
  invoke void @_ZNSt6vectorIiSaIiEE9push_backERKi(ptr noundef nonnull align 8 dereferenceable(24) %94, ptr noundef nonnull align 4 dereferenceable(4) %16)
          to label %95 unwind label %103

95:                                               ; preds = %87
  %96 = load i32, ptr %16, align 4, !tbaa !5
  %97 = sext i32 %96 to i64
  %98 = call noundef nonnull align 8 dereferenceable(24) ptr @_ZNSt6vectorIS_IiSaIiEESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %9, i64 noundef %97) #7
  invoke void @_ZNSt6vectorIiSaIiEE9push_backERKi(ptr noundef nonnull align 8 dereferenceable(24) %98, ptr noundef nonnull align 4 dereferenceable(4) %15)
          to label %99 unwind label %103

99:                                               ; preds = %95
  call void @llvm.lifetime.end.p0(i64 4, ptr %16) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr %15) #7
  br label %100

100:                                              ; preds = %99
  %101 = load i32, ptr %14, align 4, !tbaa !5
  %102 = add nsw i32 %101, 1
  store i32 %102, ptr %14, align 4, !tbaa !5
  br label %78, !llvm.loop !11

103:                                              ; preds = %95, %87, %85, %83
  %104 = landingpad { ptr, i32 }
          cleanup
  %105 = extractvalue { ptr, i32 } %104, 0
  store ptr %105, ptr %7, align 8
  %106 = extractvalue { ptr, i32 } %104, 1
  store i32 %106, ptr %8, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %16) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr %15) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr %14) #7
  br label %280

107:                                              ; preds = %82
  call void @llvm.lifetime.start.p0(i64 32, ptr %17) #7
  %108 = load i32, ptr %2, align 4, !tbaa !5
  invoke void @_ZN9UnionFindC2Ei(ptr noundef nonnull align 8 dereferenceable(32) %17, i32 noundef %108)
          to label %109 unwind label %115

109:                                              ; preds = %107
  call void @llvm.lifetime.start.p0(i64 4, ptr %18) #7
  store i32 0, ptr %18, align 4, !tbaa !5
  br label %110

110:                                              ; preds = %146, %109
  %111 = load i32, ptr %18, align 4, !tbaa !5
  %112 = load i32, ptr %2, align 4, !tbaa !5
  %113 = icmp slt i32 %111, %112
  br i1 %113, label %119, label %114

114:                                              ; preds = %110
  store i32 8, ptr %19, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %18) #7
  br label %149

115:                                              ; preds = %107
  %116 = landingpad { ptr, i32 }
          cleanup
  %117 = extractvalue { ptr, i32 } %116, 0
  store ptr %117, ptr %7, align 8
  %118 = extractvalue { ptr, i32 } %116, 1
  store i32 %118, ptr %8, align 4
  br label %279

119:                                              ; preds = %110
  call void @llvm.lifetime.start.p0(i64 8, ptr %20) #7
  %120 = load i32, ptr %18, align 4, !tbaa !5
  %121 = sext i32 %120 to i64
  %122 = call noundef nonnull align 8 dereferenceable(24) ptr @_ZNSt6vectorIS_IiSaIiEESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %5, i64 noundef %121) #7
  store ptr %122, ptr %20, align 8, !tbaa !12
  call void @llvm.lifetime.start.p0(i64 8, ptr %21) #7
  %123 = load ptr, ptr %20, align 8, !tbaa !12
  %124 = call ptr @_ZNSt6vectorIiSaIiEE5beginEv(ptr noundef nonnull align 8 dereferenceable(24) %123) #7
  %125 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %21, i32 0, i32 0
  store ptr %124, ptr %125, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr %22) #7
  %126 = load ptr, ptr %20, align 8, !tbaa !12
  %127 = call ptr @_ZNSt6vectorIiSaIiEE3endEv(ptr noundef nonnull align 8 dereferenceable(24) %126) #7
  %128 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %22, i32 0, i32 0
  store ptr %127, ptr %128, align 8
  br label %129

129:                                              ; preds = %139, %119
  %130 = call noundef zeroext i1 @_ZN9__gnu_cxxneIPiSt6vectorIiSaIiEEEEbRKNS_17__normal_iteratorIT_T0_EESA_(ptr noundef nonnull align 8 dereferenceable(8) %21, ptr noundef nonnull align 8 dereferenceable(8) %22) #7
  br i1 %130, label %132, label %131

131:                                              ; preds = %129
  store i32 11, ptr %19, align 4
  call void @llvm.lifetime.end.p0(i64 8, ptr %22) #7
  call void @llvm.lifetime.end.p0(i64 8, ptr %21) #7
  call void @llvm.lifetime.end.p0(i64 8, ptr %20) #7
  br label %145

132:                                              ; preds = %129
  call void @llvm.lifetime.start.p0(i64 4, ptr %23) #7
  %133 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNK9__gnu_cxx17__normal_iteratorIPiSt6vectorIiSaIiEEEdeEv(ptr noundef nonnull align 8 dereferenceable(8) %21) #7
  %134 = load i32, ptr %133, align 4, !tbaa !5
  store i32 %134, ptr %23, align 4, !tbaa !5
  %135 = load i32, ptr %18, align 4, !tbaa !5
  %136 = load i32, ptr %23, align 4, !tbaa !5
  %137 = invoke noundef zeroext i1 @_ZN9UnionFind5mergeEii(ptr noundef nonnull align 8 dereferenceable(32) %17, i32 noundef %135, i32 noundef %136)
          to label %138 unwind label %141

138:                                              ; preds = %132
  call void @llvm.lifetime.end.p0(i64 4, ptr %23) #7
  br label %139

139:                                              ; preds = %138
  %140 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZN9__gnu_cxx17__normal_iteratorIPiSt6vectorIiSaIiEEEppEv(ptr noundef nonnull align 8 dereferenceable(8) %21) #7
  br label %129

141:                                              ; preds = %132
  %142 = landingpad { ptr, i32 }
          cleanup
  %143 = extractvalue { ptr, i32 } %142, 0
  store ptr %143, ptr %7, align 8
  %144 = extractvalue { ptr, i32 } %142, 1
  store i32 %144, ptr %8, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %23) #7
  call void @llvm.lifetime.end.p0(i64 8, ptr %22) #7
  call void @llvm.lifetime.end.p0(i64 8, ptr %21) #7
  call void @llvm.lifetime.end.p0(i64 8, ptr %20) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr %18) #7
  br label %278

145:                                              ; preds = %131
  br label %146

146:                                              ; preds = %145
  %147 = load i32, ptr %18, align 4, !tbaa !5
  %148 = add nsw i32 %147, 1
  store i32 %148, ptr %18, align 4, !tbaa !5
  br label %110, !llvm.loop !14

149:                                              ; preds = %114
  call void @llvm.lifetime.start.p0(i64 4, ptr %24) #7
  store i32 0, ptr %24, align 4, !tbaa !5
  br label %150

150:                                              ; preds = %200, %149
  %151 = load i32, ptr %24, align 4, !tbaa !5
  %152 = load i32, ptr %2, align 4, !tbaa !5
  %153 = icmp slt i32 %151, %152
  br i1 %153, label %155, label %154

154:                                              ; preds = %150
  store i32 13, ptr %19, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %24) #7
  br label %207

155:                                              ; preds = %150
  %156 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cerr, ptr noundef @.str.2)
          to label %157 unwind label %203

157:                                              ; preds = %155
  %158 = load i32, ptr %24, align 4, !tbaa !5
  %159 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8) %156, i32 noundef %158)
          to label %160 unwind label %203

160:                                              ; preds = %157
  %161 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) %159, ptr noundef @.str.3)
          to label %162 unwind label %203

162:                                              ; preds = %160
  %163 = load i32, ptr %24, align 4, !tbaa !5
  %164 = invoke noundef i32 @_ZN9UnionFind4sizeEi(ptr noundef nonnull align 8 dereferenceable(32) %17, i32 noundef %163)
          to label %165 unwind label %203

165:                                              ; preds = %162
  %166 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8) %161, i32 noundef %164)
          to label %167 unwind label %203

167:                                              ; preds = %165
  %168 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) %166, ptr noundef @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
          to label %169 unwind label %203

169:                                              ; preds = %167
  %170 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cerr, ptr noundef @.str.4)
          to label %171 unwind label %203

171:                                              ; preds = %169
  %172 = load i32, ptr %24, align 4, !tbaa !5
  %173 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8) %170, i32 noundef %172)
          to label %174 unwind label %203

174:                                              ; preds = %171
  %175 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) %173, ptr noundef @.str.5)
          to label %176 unwind label %203

176:                                              ; preds = %174
  %177 = load i32, ptr %24, align 4, !tbaa !5
  %178 = sext i32 %177 to i64
  %179 = call noundef nonnull align 8 dereferenceable(24) ptr @_ZNSt6vectorIS_IiSaIiEESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %5, i64 noundef %178) #7
  %180 = call noundef i64 @_ZNKSt6vectorIiSaIiEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24) %179) #7
  %181 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEm(ptr noundef nonnull align 8 dereferenceable(8) %175, i64 noundef %180)
          to label %182 unwind label %203

182:                                              ; preds = %176
  %183 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) %181, ptr noundef @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
          to label %184 unwind label %203

184:                                              ; preds = %182
  %185 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cerr, ptr noundef @.str.6)
          to label %186 unwind label %203

186:                                              ; preds = %184
  %187 = load i32, ptr %24, align 4, !tbaa !5
  %188 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8) %185, i32 noundef %187)
          to label %189 unwind label %203

189:                                              ; preds = %186
  %190 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) %188, ptr noundef @.str.5)
          to label %191 unwind label %203

191:                                              ; preds = %189
  %192 = load i32, ptr %24, align 4, !tbaa !5
  %193 = sext i32 %192 to i64
  %194 = call noundef nonnull align 8 dereferenceable(24) ptr @_ZNSt6vectorIS_IiSaIiEESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %9, i64 noundef %193) #7
  %195 = call noundef i64 @_ZNKSt6vectorIiSaIiEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24) %194) #7
  %196 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEm(ptr noundef nonnull align 8 dereferenceable(8) %190, i64 noundef %195)
          to label %197 unwind label %203

197:                                              ; preds = %191
  %198 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) %196, ptr noundef @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
          to label %199 unwind label %203

199:                                              ; preds = %197
  br label %200

200:                                              ; preds = %199
  %201 = load i32, ptr %24, align 4, !tbaa !5
  %202 = add nsw i32 %201, 1
  store i32 %202, ptr %24, align 4, !tbaa !5
  br label %150, !llvm.loop !15

203:                                              ; preds = %197, %191, %189, %186, %184, %182, %176, %174, %171, %169, %167, %165, %162, %160, %157, %155
  %204 = landingpad { ptr, i32 }
          cleanup
  %205 = extractvalue { ptr, i32 } %204, 0
  store ptr %205, ptr %7, align 8
  %206 = extractvalue { ptr, i32 } %204, 1
  store i32 %206, ptr %8, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %24) #7
  br label %278

207:                                              ; preds = %154
  call void @llvm.lifetime.start.p0(i64 4, ptr %25) #7
  store i32 0, ptr %25, align 4, !tbaa !5
  br label %208

208:                                              ; preds = %272, %207
  %209 = load i32, ptr %25, align 4, !tbaa !5
  %210 = load i32, ptr %2, align 4, !tbaa !5
  %211 = icmp slt i32 %209, %210
  br i1 %211, label %213, label %212

212:                                              ; preds = %208
  store i32 16, ptr %19, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %25) #7
  br label %276

213:                                              ; preds = %208
  call void @llvm.lifetime.start.p0(i64 4, ptr %26) #7
  %214 = load i32, ptr %25, align 4, !tbaa !5
  %215 = invoke noundef i32 @_ZN9UnionFind4sizeEi(ptr noundef nonnull align 8 dereferenceable(32) %17, i32 noundef %214)
          to label %216 unwind label %236

216:                                              ; preds = %213
  %217 = sub nsw i32 %215, 1
  %218 = load i32, ptr %25, align 4, !tbaa !5
  %219 = sext i32 %218 to i64
  %220 = call noundef nonnull align 8 dereferenceable(24) ptr @_ZNSt6vectorIS_IiSaIiEESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %5, i64 noundef %219) #7
  %221 = call noundef i64 @_ZNKSt6vectorIiSaIiEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24) %220) #7
  %222 = trunc i64 %221 to i32
  %223 = sub nsw i32 %217, %222
  store i32 %223, ptr %26, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %27) #7
  %224 = load i32, ptr %25, align 4, !tbaa !5
  %225 = sext i32 %224 to i64
  %226 = call noundef nonnull align 8 dereferenceable(24) ptr @_ZNSt6vectorIS_IiSaIiEESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %9, i64 noundef %225) #7
  store ptr %226, ptr %27, align 8, !tbaa !12
  call void @llvm.lifetime.start.p0(i64 8, ptr %28) #7
  %227 = load ptr, ptr %27, align 8, !tbaa !12
  %228 = call ptr @_ZNSt6vectorIiSaIiEE5beginEv(ptr noundef nonnull align 8 dereferenceable(24) %227) #7
  %229 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %28, i32 0, i32 0
  store ptr %228, ptr %229, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr %29) #7
  %230 = load ptr, ptr %27, align 8, !tbaa !12
  %231 = call ptr @_ZNSt6vectorIiSaIiEE3endEv(ptr noundef nonnull align 8 dereferenceable(24) %230) #7
  %232 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %29, i32 0, i32 0
  store ptr %231, ptr %232, align 8
  br label %233

233:                                              ; preds = %255, %216
  %234 = call noundef zeroext i1 @_ZN9__gnu_cxxneIPiSt6vectorIiSaIiEEEEbRKNS_17__normal_iteratorIT_T0_EESA_(ptr noundef nonnull align 8 dereferenceable(8) %28, ptr noundef nonnull align 8 dereferenceable(8) %29) #7
  br i1 %234, label %240, label %235

235:                                              ; preds = %233
  store i32 19, ptr %19, align 4
  call void @llvm.lifetime.end.p0(i64 8, ptr %29) #7
  call void @llvm.lifetime.end.p0(i64 8, ptr %28) #7
  call void @llvm.lifetime.end.p0(i64 8, ptr %27) #7
  br label %257

236:                                              ; preds = %268, %265, %257, %213
  %237 = landingpad { ptr, i32 }
          cleanup
  %238 = extractvalue { ptr, i32 } %237, 0
  store ptr %238, ptr %7, align 8
  %239 = extractvalue { ptr, i32 } %237, 1
  store i32 %239, ptr %8, align 4
  br label %275

240:                                              ; preds = %233
  call void @llvm.lifetime.start.p0(i64 4, ptr %30) #7
  %241 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNK9__gnu_cxx17__normal_iteratorIPiSt6vectorIiSaIiEEEdeEv(ptr noundef nonnull align 8 dereferenceable(8) %28) #7
  %242 = load i32, ptr %241, align 4, !tbaa !5
  store i32 %242, ptr %30, align 4, !tbaa !5
  %243 = load i32, ptr %25, align 4, !tbaa !5
  %244 = load i32, ptr %30, align 4, !tbaa !5
  %245 = invoke noundef zeroext i1 @_ZN9UnionFind7is_sameEii(ptr noundef nonnull align 8 dereferenceable(32) %17, i32 noundef %243, i32 noundef %244)
          to label %246 unwind label %250

246:                                              ; preds = %240
  br i1 %245, label %247, label %254

247:                                              ; preds = %246
  %248 = load i32, ptr %26, align 4, !tbaa !5
  %249 = add nsw i32 %248, -1
  store i32 %249, ptr %26, align 4, !tbaa !5
  br label %254

250:                                              ; preds = %240
  %251 = landingpad { ptr, i32 }
          cleanup
  %252 = extractvalue { ptr, i32 } %251, 0
  store ptr %252, ptr %7, align 8
  %253 = extractvalue { ptr, i32 } %251, 1
  store i32 %253, ptr %8, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %30) #7
  call void @llvm.lifetime.end.p0(i64 8, ptr %29) #7
  call void @llvm.lifetime.end.p0(i64 8, ptr %28) #7
  call void @llvm.lifetime.end.p0(i64 8, ptr %27) #7
  br label %275

254:                                              ; preds = %247, %246
  call void @llvm.lifetime.end.p0(i64 4, ptr %30) #7
  br label %255

255:                                              ; preds = %254
  %256 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZN9__gnu_cxx17__normal_iteratorIPiSt6vectorIiSaIiEEEppEv(ptr noundef nonnull align 8 dereferenceable(8) %28) #7
  br label %233

257:                                              ; preds = %235
  %258 = load i32, ptr %26, align 4, !tbaa !5
  %259 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, i32 noundef %258)
          to label %260 unwind label %236

260:                                              ; preds = %257
  %261 = load i32, ptr %25, align 4, !tbaa !5
  %262 = load i32, ptr %2, align 4, !tbaa !5
  %263 = sub nsw i32 %262, 1
  %264 = icmp slt i32 %261, %263
  br i1 %264, label %265, label %268

265:                                              ; preds = %260
  %266 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, ptr noundef @.str.7)
          to label %267 unwind label %236

267:                                              ; preds = %265
  br label %271

268:                                              ; preds = %260
  %269 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, ptr noundef @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
          to label %270 unwind label %236

270:                                              ; preds = %268
  br label %271

271:                                              ; preds = %270, %267
  call void @llvm.lifetime.end.p0(i64 4, ptr %26) #7
  br label %272

272:                                              ; preds = %271
  %273 = load i32, ptr %25, align 4, !tbaa !5
  %274 = add nsw i32 %273, 1
  store i32 %274, ptr %25, align 4, !tbaa !5
  br label %208, !llvm.loop !16

275:                                              ; preds = %250, %236
  call void @llvm.lifetime.end.p0(i64 4, ptr %26) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr %25) #7
  br label %278

276:                                              ; preds = %212
  call void @_ZN9UnionFindD2Ev(ptr noundef nonnull align 8 dereferenceable(32) %17) #7
  call void @llvm.lifetime.end.p0(i64 32, ptr %17) #7
  call void @_ZNSt6vectorIS_IiSaIiEESaIS1_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %9) #7
  call void @llvm.lifetime.end.p0(i64 24, ptr %9) #7
  call void @_ZNSt6vectorIS_IiSaIiEESaIS1_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %5) #7
  call void @llvm.lifetime.end.p0(i64 24, ptr %5) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr %4) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr %3) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr %2) #7
  %277 = load i32, ptr %1, align 4
  ret i32 %277

278:                                              ; preds = %275, %203, %141
  call void @_ZN9UnionFindD2Ev(ptr noundef nonnull align 8 dereferenceable(32) %17) #7
  br label %279

279:                                              ; preds = %278, %115
  call void @llvm.lifetime.end.p0(i64 32, ptr %17) #7
  br label %280

280:                                              ; preds = %279, %103, %73
  call void @_ZNSt6vectorIS_IiSaIiEESaIS1_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %9) #7
  br label %281

281:                                              ; preds = %280, %49
  call void @llvm.lifetime.end.p0(i64 24, ptr %9) #7
  call void @_ZNSt6vectorIS_IiSaIiEESaIS1_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %5) #7
  br label %282

282:                                              ; preds = %281, %45
  call void @llvm.lifetime.end.p0(i64 24, ptr %5) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr %4) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr %3) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr %2) #7
  br label %283

283:                                              ; preds = %282
  %284 = load ptr, ptr %7, align 8
  %285 = load i32, ptr %8, align 4
  %286 = insertvalue { ptr, i32 } poison, ptr %284, 0
  %287 = insertvalue { ptr, i32 } %286, i32 %285, 1
  resume { ptr, i32 } %287
}

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #3

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

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSaISt6vectorIiSaIiEEEC2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #5 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorIS_IiSaIiEESaIS1_EEC2EmRKS2_(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef, ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #1 align 2

declare i32 @__gxx_personality_v0(...)

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #3

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(24) ptr @_ZNSt6vectorIS_IiSaIiEESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) #5 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorIiSaIiEE9push_backERKi(ptr noundef nonnull align 8 dereferenceable(24), ptr noundef nonnull align 4 dereferenceable(4)) #1 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZN9UnionFindC2Ei(ptr noundef nonnull align 8 dereferenceable(32), i32 noundef) unnamed_addr #1 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 uwtable
declare dso_local noundef zeroext i1 @_ZN9UnionFind5mergeEii(ptr noundef nonnull align 8 dereferenceable(32), i32 noundef, i32 noundef) #1 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: mustprogress uwtable
declare dso_local noundef i32 @_ZN9UnionFind4sizeEi(ptr noundef nonnull align 8 dereferenceable(32), i32 noundef) #1 align 2

; Function Attrs: mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEm(ptr noundef nonnull align 8 dereferenceable(8), i64 noundef) #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef i64 @_ZNKSt6vectorIiSaIiEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24)) #5 align 2

; Function Attrs: mustprogress uwtable
declare dso_local noundef zeroext i1 @_ZN9UnionFind7is_sameEii(ptr noundef nonnull align 8 dereferenceable(32), i32 noundef, i32 noundef) #1 align 2

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local void @_ZN9UnionFindD2Ev(ptr noundef nonnull align 8 dereferenceable(32)) unnamed_addr #6 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorIS_IiSaIiEESaIS1_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #5 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt15__new_allocatorISt6vectorIiSaIiEEED2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #5 align 2

attributes #0 = { 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 #1 = { 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 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 #3 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
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 = distinct !{!11, !10}
!12 = !{!13, !13, i64 0}
!13 = !{!"any pointer", !7, i64 0}
!14 = distinct !{!14, !10}
!15 = distinct !{!15, !10}
!16 = distinct !{!16, !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::basic_istream" = type { ptr, i64, %"class.std::basic_ios" }
%"class.std::vector" = type { %"struct.std::_Vector_base" }
%"struct.std::_Vector_base" = type { %"struct.std::_Vector_base<std::vector<int>, std::allocator<std::vector<int>>>::_Vector_impl" }
%"struct.std::_Vector_base<std::vector<int>, std::allocator<std::vector<int>>>::_Vector_impl" = type { %"struct.std::_Vector_base<std::vector<int>, std::allocator<std::vector<int>>>::_Vector_impl_data" }
%"struct.std::_Vector_base<std::vector<int>, std::allocator<std::vector<int>>>::_Vector_impl_data" = type { ptr, ptr, ptr }
%"class.std::allocator" = type { i8 }
%class.UnionFind = type { i32, %"class.std::vector.0" }
%"class.std::vector.0" = type { %"struct.std::_Vector_base.1" }
%"struct.std::_Vector_base.1" = 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.__gnu_cxx::__normal_iterator" = type { ptr }

@_ZSt4cout = external global %"class.std::basic_ostream", align 8
@_ZSt3cin = external global %"class.std::basic_istream", align 8
@_ZSt4cerr = external global %"class.std::basic_ostream", align 8
@.str.2 = external hidden unnamed_addr constant [9 x i8], align 1
@.str.3 = external hidden unnamed_addr constant [5 x i8], align 1
@.str.4 = external hidden unnamed_addr constant [3 x i8], align 1
@.str.5 = external hidden unnamed_addr constant [12 x i8], align 1
@.str.6 = external hidden unnamed_addr constant [3 x i8], align 1
@.str.7 = external hidden unnamed_addr constant [2 x i8], align 1

; Function Attrs: inlinehint mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef) local_unnamed_addr #0

; 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 #1 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)) #0

; Function Attrs: mustprogress norecurse uwtable
define dso_local noundef i32 @main() local_unnamed_addr #2 personality ptr @__gxx_personality_v0 {
  %1 = alloca i32, align 4
  %2 = alloca i32, align 4
  %3 = alloca i32, align 4
  %4 = alloca %"class.std::vector", align 8
  %5 = alloca %"class.std::allocator", align 1
  %6 = alloca %"class.std::vector", align 8
  %7 = alloca %"class.std::allocator", align 1
  %8 = alloca i32, align 4
  %9 = alloca i32, align 4
  %10 = alloca i32, align 4
  %11 = alloca i32, align 4
  %12 = alloca %class.UnionFind, align 8
  %13 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %14 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %15 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %16 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %1) #7
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %2) #7
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %3) #7
  %17 = 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)
  %18 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) %17, ptr noundef nonnull align 4 dereferenceable(4) %2)
  %19 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) %18, ptr noundef nonnull align 4 dereferenceable(4) %3)
  call void @llvm.lifetime.start.p0(i64 24, ptr nonnull %4) #7
  %20 = load i32, ptr %1, align 4, !tbaa !5
  %21 = sext i32 %20 to i64
  call void @llvm.lifetime.start.p0(i64 1, ptr nonnull %5) #7
  call void @_ZNSaISt6vectorIiSaIiEEEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %5) #7
  invoke void @_ZNSt6vectorIS_IiSaIiEESaIS1_EEC2EmRKS2_(ptr noundef nonnull align 8 dereferenceable(24) %4, i64 noundef %21, ptr noundef nonnull align 1 dereferenceable(1) %5)
          to label %22 unwind label %30

22:                                               ; preds = %0
  call void @_ZNSt15__new_allocatorISt6vectorIiSaIiEEED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %5) #7
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %5) #7
  call void @llvm.lifetime.start.p0(i64 24, ptr nonnull %6) #7
  %23 = load i32, ptr %1, align 4, !tbaa !5
  %24 = sext i32 %23 to i64
  call void @llvm.lifetime.start.p0(i64 1, ptr nonnull %7) #7
  call void @_ZNSaISt6vectorIiSaIiEEEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %7) #7
  invoke void @_ZNSt6vectorIS_IiSaIiEESaIS1_EEC2EmRKS2_(ptr noundef nonnull align 8 dereferenceable(24) %6, i64 noundef %24, ptr noundef nonnull align 1 dereferenceable(1) %7)
          to label %25 unwind label %32

25:                                               ; preds = %22
  call void @_ZNSt15__new_allocatorISt6vectorIiSaIiEEED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %7) #7
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %7) #7
  %26 = load i32, ptr %2, align 4, !tbaa !5
  %27 = icmp sgt i32 %26, 0
  br i1 %27, label %.lr.ph, label %.preheader56

.preheader56:                                     ; preds = %48, %25
  %28 = load i32, ptr %3, align 4, !tbaa !5
  %29 = icmp sgt i32 %28, 0
  br i1 %29, label %.lr.ph60, label %._crit_edge

30:                                               ; preds = %0
  %31 = landingpad { ptr, i32 }
          cleanup
  call void @_ZNSt15__new_allocatorISt6vectorIiSaIiEEED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %5) #7
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %5) #7
  br label %180

32:                                               ; preds = %22
  %33 = landingpad { ptr, i32 }
          cleanup
  call void @_ZNSt15__new_allocatorISt6vectorIiSaIiEEED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %7) #7
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %7) #7
  br label %179

.lr.ph:                                           ; preds = %25, %48
  %.04358 = phi i32 [ %49, %48 ], [ 0, %25 ]
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %8) #7
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %9) #7
  %34 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 4 dereferenceable(4) %8)
          to label %35 unwind label %52

35:                                               ; preds = %.lr.ph
  %36 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) %34, ptr noundef nonnull align 4 dereferenceable(4) %9)
          to label %37 unwind label %52

37:                                               ; preds = %35
  %38 = load i32, ptr %8, align 4, !tbaa !5
  %39 = add nsw i32 %38, -1
  store i32 %39, ptr %8, align 4, !tbaa !5
  %40 = load i32, ptr %9, align 4, !tbaa !5
  %41 = add nsw i32 %40, -1
  store i32 %41, ptr %9, align 4, !tbaa !5
  %42 = sext i32 %39 to i64
  %43 = call noundef nonnull align 8 dereferenceable(24) ptr @_ZNSt6vectorIS_IiSaIiEESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %4, i64 noundef %42) #7
  invoke void @_ZNSt6vectorIiSaIiEE9push_backERKi(ptr noundef nonnull align 8 dereferenceable(24) %43, ptr noundef nonnull align 4 dereferenceable(4) %9)
          to label %44 unwind label %52

44:                                               ; preds = %37
  %45 = load i32, ptr %9, align 4, !tbaa !5
  %46 = sext i32 %45 to i64
  %47 = call noundef nonnull align 8 dereferenceable(24) ptr @_ZNSt6vectorIS_IiSaIiEESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %4, i64 noundef %46) #7
  invoke void @_ZNSt6vectorIiSaIiEE9push_backERKi(ptr noundef nonnull align 8 dereferenceable(24) %47, ptr noundef nonnull align 4 dereferenceable(4) %8)
          to label %48 unwind label %52

48:                                               ; preds = %44
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %9) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %8) #7
  %49 = add nuw nsw i32 %.04358, 1
  %50 = load i32, ptr %2, align 4, !tbaa !5
  %51 = icmp slt i32 %49, %50
  br i1 %51, label %.lr.ph, label %.preheader56, !llvm.loop !9

52:                                               ; preds = %44, %37, %35, %.lr.ph
  %53 = landingpad { ptr, i32 }
          cleanup
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %9) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %8) #7
  br label %178

._crit_edge:                                      ; preds = %71, %.preheader56
  call void @llvm.lifetime.start.p0(i64 32, ptr nonnull %12) #7
  %54 = load i32, ptr %1, align 4, !tbaa !5
  invoke void @_ZN9UnionFindC2Ei(ptr noundef nonnull align 8 dereferenceable(32) %12, i32 noundef %54)
          to label %.preheader55 unwind label %78

.preheader55:                                     ; preds = %._crit_edge
  %55 = load i32, ptr %1, align 4, !tbaa !5
  %56 = icmp sgt i32 %55, 0
  br i1 %56, label %.lr.ph65, label %._crit_edge74

.lr.ph60:                                         ; preds = %.preheader56, %71
  %.04459 = phi i32 [ %72, %71 ], [ 0, %.preheader56 ]
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %10) #7
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %11) #7
  %57 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 4 dereferenceable(4) %10)
          to label %58 unwind label %75

58:                                               ; preds = %.lr.ph60
  %59 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) %57, ptr noundef nonnull align 4 dereferenceable(4) %11)
          to label %60 unwind label %75

60:                                               ; preds = %58
  %61 = load i32, ptr %10, align 4, !tbaa !5
  %62 = add nsw i32 %61, -1
  store i32 %62, ptr %10, align 4, !tbaa !5
  %63 = load i32, ptr %11, align 4, !tbaa !5
  %64 = add nsw i32 %63, -1
  store i32 %64, ptr %11, align 4, !tbaa !5
  %65 = sext i32 %62 to i64
  %66 = call noundef nonnull align 8 dereferenceable(24) ptr @_ZNSt6vectorIS_IiSaIiEESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %6, i64 noundef %65) #7
  invoke void @_ZNSt6vectorIiSaIiEE9push_backERKi(ptr noundef nonnull align 8 dereferenceable(24) %66, ptr noundef nonnull align 4 dereferenceable(4) %11)
          to label %67 unwind label %75

67:                                               ; preds = %60
  %68 = load i32, ptr %11, align 4, !tbaa !5
  %69 = sext i32 %68 to i64
  %70 = call noundef nonnull align 8 dereferenceable(24) ptr @_ZNSt6vectorIS_IiSaIiEESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %6, i64 noundef %69) #7
  invoke void @_ZNSt6vectorIiSaIiEE9push_backERKi(ptr noundef nonnull align 8 dereferenceable(24) %70, ptr noundef nonnull align 4 dereferenceable(4) %10)
          to label %71 unwind label %75

71:                                               ; preds = %67
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %11) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %10) #7
  %72 = add nuw nsw i32 %.04459, 1
  %73 = load i32, ptr %3, align 4, !tbaa !5
  %74 = icmp slt i32 %72, %73
  br i1 %74, label %.lr.ph60, label %._crit_edge, !llvm.loop !11

75:                                               ; preds = %67, %60, %58, %.lr.ph60
  %76 = landingpad { ptr, i32 }
          cleanup
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %11) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %10) #7
  br label %178

.preheader54:                                     ; preds = %._crit_edge63
  %77 = icmp sgt i32 %85, 0
  br i1 %77, label %.lr.ph67, label %._crit_edge74

78:                                               ; preds = %._crit_edge
  %79 = landingpad { ptr, i32 }
          cleanup
  br label %177

.lr.ph65:                                         ; preds = %.preheader55, %._crit_edge63
  %indvars.iv = phi i64 [ %indvars.iv.next, %._crit_edge63 ], [ 0, %.preheader55 ]
  %80 = call noundef nonnull align 8 dereferenceable(24) ptr @_ZNSt6vectorIS_IiSaIiEESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %4, i64 noundef %indvars.iv) #7
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %13) #7
  %81 = call ptr @_ZNSt6vectorIiSaIiEE5beginEv(ptr noundef nonnull align 8 dereferenceable(24) %80) #7
  store ptr %81, ptr %13, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %14) #7
  %82 = call ptr @_ZNSt6vectorIiSaIiEE3endEv(ptr noundef nonnull align 8 dereferenceable(24) %80) #7
  store ptr %82, ptr %14, align 8
  %83 = call noundef zeroext i1 @_ZN9__gnu_cxxneIPiSt6vectorIiSaIiEEEEbRKNS_17__normal_iteratorIT_T0_EESA_(ptr noundef nonnull align 8 dereferenceable(8) %13, ptr noundef nonnull align 8 dereferenceable(8) %14) #7
  br i1 %83, label %.lr.ph62.preheader, label %._crit_edge63

.lr.ph62.preheader:                               ; preds = %.lr.ph65
  %84 = trunc nuw nsw i64 %indvars.iv to i32
  br label %.lr.ph62

._crit_edge63:                                    ; preds = %91, %.lr.ph65
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %14) #7
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %13) #7
  %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
  %85 = load i32, ptr %1, align 4, !tbaa !5
  %86 = sext i32 %85 to i64
  %87 = icmp slt i64 %indvars.iv.next, %86
  br i1 %87, label %.lr.ph65, label %.preheader54, !llvm.loop !12

.lr.ph62:                                         ; preds = %.lr.ph62.preheader, %91
  %88 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNK9__gnu_cxx17__normal_iteratorIPiSt6vectorIiSaIiEEEdeEv(ptr noundef nonnull align 8 dereferenceable(8) %13) #7
  %89 = load i32, ptr %88, align 4, !tbaa !5
  %90 = invoke noundef zeroext i1 @_ZN9UnionFind5mergeEii(ptr noundef nonnull align 8 dereferenceable(32) %12, i32 noundef %84, i32 noundef %89)
          to label %91 unwind label %94

91:                                               ; preds = %.lr.ph62
  %92 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZN9__gnu_cxx17__normal_iteratorIPiSt6vectorIiSaIiEEEppEv(ptr noundef nonnull align 8 dereferenceable(8) %13) #7
  %93 = call noundef zeroext i1 @_ZN9__gnu_cxxneIPiSt6vectorIiSaIiEEEEbRKNS_17__normal_iteratorIT_T0_EESA_(ptr noundef nonnull align 8 dereferenceable(8) %13, ptr noundef nonnull align 8 dereferenceable(8) %14) #7
  br i1 %93, label %.lr.ph62, label %._crit_edge63

94:                                               ; preds = %.lr.ph62
  %95 = landingpad { ptr, i32 }
          cleanup
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %14) #7
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %13) #7
  br label %176

.preheader:                                       ; preds = %133
  %96 = icmp sgt i32 %134, 0
  br i1 %96, label %.lr.ph73, label %._crit_edge74

.lr.ph67:                                         ; preds = %.preheader54, %133
  %indvars.iv76 = phi i64 [ %indvars.iv.next77, %133 ], [ 0, %.preheader54 ]
  %97 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cerr, ptr noundef nonnull @.str.2)
          to label %98 unwind label %137

98:                                               ; preds = %.lr.ph67
  %99 = trunc nuw nsw i64 %indvars.iv76 to i32
  %100 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8) %97, i32 noundef %99)
          to label %101 unwind label %137

101:                                              ; preds = %98
  %102 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) %100, ptr noundef nonnull @.str.3)
          to label %103 unwind label %137

103:                                              ; preds = %101
  %104 = invoke noundef i32 @_ZN9UnionFind4sizeEi(ptr noundef nonnull align 8 dereferenceable(32) %12, i32 noundef %99)
          to label %105 unwind label %137

105:                                              ; preds = %103
  %106 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8) %102, i32 noundef %104)
          to label %107 unwind label %137

107:                                              ; preds = %105
  %108 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) %106, ptr noundef nonnull @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
          to label %109 unwind label %137

109:                                              ; preds = %107
  %110 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cerr, ptr noundef nonnull @.str.4)
          to label %111 unwind label %137

111:                                              ; preds = %109
  %112 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8) %110, i32 noundef %99)
          to label %113 unwind label %137

113:                                              ; preds = %111
  %114 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) %112, ptr noundef nonnull @.str.5)
          to label %115 unwind label %137

115:                                              ; preds = %113
  %116 = call noundef nonnull align 8 dereferenceable(24) ptr @_ZNSt6vectorIS_IiSaIiEESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %4, i64 noundef %indvars.iv76) #7
  %117 = call noundef i64 @_ZNKSt6vectorIiSaIiEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24) %116) #7
  %118 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEm(ptr noundef nonnull align 8 dereferenceable(8) %114, i64 noundef %117)
          to label %119 unwind label %137

119:                                              ; preds = %115
  %120 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) %118, ptr noundef nonnull @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
          to label %121 unwind label %137

121:                                              ; preds = %119
  %122 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cerr, ptr noundef nonnull @.str.6)
          to label %123 unwind label %137

123:                                              ; preds = %121
  %124 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8) %122, i32 noundef %99)
          to label %125 unwind label %137

125:                                              ; preds = %123
  %126 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) %124, ptr noundef nonnull @.str.5)
          to label %127 unwind label %137

127:                                              ; preds = %125
  %128 = call noundef nonnull align 8 dereferenceable(24) ptr @_ZNSt6vectorIS_IiSaIiEESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %6, i64 noundef %indvars.iv76) #7
  %129 = call noundef i64 @_ZNKSt6vectorIiSaIiEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24) %128) #7
  %130 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEm(ptr noundef nonnull align 8 dereferenceable(8) %126, i64 noundef %129)
          to label %131 unwind label %137

131:                                              ; preds = %127
  %132 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) %130, ptr noundef nonnull @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
          to label %133 unwind label %137

133:                                              ; preds = %131
  %indvars.iv.next77 = add nuw nsw i64 %indvars.iv76, 1
  %134 = load i32, ptr %1, align 4, !tbaa !5
  %135 = sext i32 %134 to i64
  %136 = icmp slt i64 %indvars.iv.next77, %135
  br i1 %136, label %.lr.ph67, label %.preheader, !llvm.loop !13

137:                                              ; preds = %131, %127, %125, %123, %121, %119, %115, %113, %111, %109, %107, %105, %103, %101, %98, %.lr.ph67
  %138 = landingpad { ptr, i32 }
          cleanup
  br label %176

._crit_edge74:                                    ; preds = %172, %.preheader55, %.preheader54, %.preheader
  call void @_ZN9UnionFindD2Ev(ptr noundef nonnull align 8 dereferenceable(32) %12) #7
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %12) #7
  call void @_ZNSt6vectorIS_IiSaIiEESaIS1_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %6) #7
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %6) #7
  call void @_ZNSt6vectorIS_IiSaIiEESaIS1_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %4) #7
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %4) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %3) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %2) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %1) #7
  ret i32 0

.lr.ph73:                                         ; preds = %.preheader, %172
  %indvars.iv79 = phi i64 [ %indvars.iv.next80, %172 ], [ 0, %.preheader ]
  %139 = trunc nuw nsw i64 %indvars.iv79 to i32
  %140 = invoke noundef i32 @_ZN9UnionFind4sizeEi(ptr noundef nonnull align 8 dereferenceable(32) %12, i32 noundef %139)
          to label %141 unwind label %152

141:                                              ; preds = %.lr.ph73
  %142 = call noundef nonnull align 8 dereferenceable(24) ptr @_ZNSt6vectorIS_IiSaIiEESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %4, i64 noundef %indvars.iv79) #7
  %143 = call noundef i64 @_ZNKSt6vectorIiSaIiEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24) %142) #7
  %144 = trunc i64 %143 to i32
  %145 = xor i32 %144, -1
  %146 = add i32 %140, %145
  %147 = call noundef nonnull align 8 dereferenceable(24) ptr @_ZNSt6vectorIS_IiSaIiEESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %6, i64 noundef %indvars.iv79) #7
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %15) #7
  %148 = call ptr @_ZNSt6vectorIiSaIiEE5beginEv(ptr noundef nonnull align 8 dereferenceable(24) %147) #7
  store ptr %148, ptr %15, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %16) #7
  %149 = call ptr @_ZNSt6vectorIiSaIiEE3endEv(ptr noundef nonnull align 8 dereferenceable(24) %147) #7
  store ptr %149, ptr %16, align 8
  %150 = call noundef zeroext i1 @_ZN9__gnu_cxxneIPiSt6vectorIiSaIiEEEEbRKNS_17__normal_iteratorIT_T0_EESA_(ptr noundef nonnull align 8 dereferenceable(8) %15, ptr noundef nonnull align 8 dereferenceable(8) %16) #7
  br i1 %150, label %.lr.ph70, label %._crit_edge71

._crit_edge71:                                    ; preds = %157, %141
  %.039.lcssa = phi i32 [ %146, %141 ], [ %spec.select, %157 ]
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %16) #7
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %15) #7
  %151 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, i32 noundef %.039.lcssa)
          to label %163 unwind label %152

152:                                              ; preds = %170, %168, %._crit_edge71, %.lr.ph73
  %153 = landingpad { ptr, i32 }
          cleanup
  br label %176

.lr.ph70:                                         ; preds = %141, %157
  %.03968 = phi i32 [ %spec.select, %157 ], [ %146, %141 ]
  %154 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNK9__gnu_cxx17__normal_iteratorIPiSt6vectorIiSaIiEEEdeEv(ptr noundef nonnull align 8 dereferenceable(8) %15) #7
  %155 = load i32, ptr %154, align 4, !tbaa !5
  %156 = invoke noundef zeroext i1 @_ZN9UnionFind7is_sameEii(ptr noundef nonnull align 8 dereferenceable(32) %12, i32 noundef %139, i32 noundef %155)
          to label %157 unwind label %161

157:                                              ; preds = %.lr.ph70
  %158 = sext i1 %156 to i32
  %spec.select = add nsw i32 %.03968, %158
  %159 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZN9__gnu_cxx17__normal_iteratorIPiSt6vectorIiSaIiEEEppEv(ptr noundef nonnull align 8 dereferenceable(8) %15) #7
  %160 = call noundef zeroext i1 @_ZN9__gnu_cxxneIPiSt6vectorIiSaIiEEEEbRKNS_17__normal_iteratorIT_T0_EESA_(ptr noundef nonnull align 8 dereferenceable(8) %15, ptr noundef nonnull align 8 dereferenceable(8) %16) #7
  br i1 %160, label %.lr.ph70, label %._crit_edge71

161:                                              ; preds = %.lr.ph70
  %162 = landingpad { ptr, i32 }
          cleanup
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %16) #7
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %15) #7
  br label %176

163:                                              ; preds = %._crit_edge71
  %164 = load i32, ptr %1, align 4, !tbaa !5
  %165 = add nsw i32 %164, -1
  %166 = sext i32 %165 to i64
  %167 = icmp slt i64 %indvars.iv79, %166
  br i1 %167, label %168, label %170

168:                                              ; preds = %163
  %169 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, ptr noundef nonnull @.str.7)
          to label %172 unwind label %152

170:                                              ; preds = %163
  %171 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, ptr noundef nonnull @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
          to label %172 unwind label %152

172:                                              ; preds = %170, %168
  %indvars.iv.next80 = add nuw nsw i64 %indvars.iv79, 1
  %173 = load i32, ptr %1, align 4, !tbaa !5
  %174 = sext i32 %173 to i64
  %175 = icmp slt i64 %indvars.iv.next80, %174
  br i1 %175, label %.lr.ph73, label %._crit_edge74, !llvm.loop !14

176:                                              ; preds = %152, %161, %137, %94
  %.pn47 = phi { ptr, i32 } [ %95, %94 ], [ %138, %137 ], [ %162, %161 ], [ %153, %152 ]
  call void @_ZN9UnionFindD2Ev(ptr noundef nonnull align 8 dereferenceable(32) %12) #7
  br label %177

177:                                              ; preds = %176, %78
  %.pn47.pn = phi { ptr, i32 } [ %.pn47, %176 ], [ %79, %78 ]
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %12) #7
  br label %178

178:                                              ; preds = %177, %75, %52
  %.pn50 = phi { ptr, i32 } [ %53, %52 ], [ %76, %75 ], [ %.pn47.pn, %177 ]
  call void @_ZNSt6vectorIS_IiSaIiEESaIS1_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %6) #7
  br label %179

179:                                              ; preds = %178, %32
  %.pn50.pn = phi { ptr, i32 } [ %.pn50, %178 ], [ %33, %32 ]
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %6) #7
  call void @_ZNSt6vectorIS_IiSaIiEESaIS1_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %4) #7
  br label %180

180:                                              ; preds = %179, %30
  %.pn50.pn.pn = phi { ptr, i32 } [ %.pn50.pn, %179 ], [ %31, %30 ]
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %4) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %3) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %2) #7
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %1) #7
  resume { ptr, i32 } %.pn50.pn.pn
}

; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #3

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 nounwind uwtable
declare dso_local void @_ZNSaISt6vectorIiSaIiEEEC2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #5 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorIS_IiSaIiEESaIS1_EEC2EmRKS2_(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef, ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #1 align 2

declare i32 @__gxx_personality_v0(...)

; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #3

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(24) ptr @_ZNSt6vectorIS_IiSaIiEESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) local_unnamed_addr #5 align 2

; 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 #1 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZN9UnionFindC2Ei(ptr noundef nonnull align 8 dereferenceable(32), i32 noundef) unnamed_addr #1 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 uwtable
declare dso_local noundef zeroext i1 @_ZN9UnionFind5mergeEii(ptr noundef nonnull align 8 dereferenceable(32), i32 noundef, i32 noundef) local_unnamed_addr #1 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: mustprogress uwtable
declare dso_local noundef i32 @_ZN9UnionFind4sizeEi(ptr noundef nonnull align 8 dereferenceable(32), i32 noundef) local_unnamed_addr #1 align 2

; Function Attrs: mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEm(ptr noundef nonnull align 8 dereferenceable(8), i64 noundef) local_unnamed_addr #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef i64 @_ZNKSt6vectorIiSaIiEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #5 align 2

; Function Attrs: mustprogress uwtable
declare dso_local noundef zeroext i1 @_ZN9UnionFind7is_sameEii(ptr noundef nonnull align 8 dereferenceable(32), i32 noundef, i32 noundef) local_unnamed_addr #1 align 2

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local void @_ZN9UnionFindD2Ev(ptr noundef nonnull align 8 dereferenceable(32)) unnamed_addr #6 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorIS_IiSaIiEESaIS1_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #5 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt15__new_allocatorISt6vectorIiSaIiEEED2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #5 align 2

attributes #0 = { 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 #1 = { 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 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 #3 = { mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
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 = distinct !{!11, !10}
!12 = distinct !{!12, !10}
!13 = distinct !{!13, !10}
!14 = distinct !{!14, !10}


; Effective O3 passes: EarlyCSEPass,GVNPass,GlobalOptPass,IndVarSimplifyPass,InferFunctionAttrsPass,InstCombinePass,InstSimplifyPass,JumpThreadingPass,LCSSAPass,LICMPass,LoopRotatePass,LoopSimplifyPass,LoopUnrollPass,ReassociatePass,SROAPass,SimplifyCFGPass