; LLVM IR from kazunetakahashi/atcoder :: 2020/0304_ABC157 (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::basic_istream" = type { ptr, i64, %"class.std::basic_ios" }
%"class.std::__cxx11::basic_string" = type { %"struct.std::__cxx11::basic_string<char>::_Alloc_hider", i64, %union.anon }
%"struct.std::__cxx11::basic_string<char>::_Alloc_hider" = type { ptr }
%union.anon = type { i64, [8 x i8] }
%"class.std::vector" = type { %"struct.std::_Vector_base" }
%"struct.std::_Vector_base" = type { %"struct.std::_Vector_base<std::set<int>, std::allocator<std::set<int>>>::_Vector_impl" }
%"struct.std::_Vector_base<std::set<int>, std::allocator<std::set<int>>>::_Vector_impl" = type { %"struct.std::_Vector_base<std::set<int>, std::allocator<std::set<int>>>::_Vector_impl_data" }
%"struct.std::_Vector_base<std::set<int>, std::allocator<std::set<int>>>::_Vector_impl_data" = type { ptr, ptr, ptr }
%"class.std::allocator.0" = type { i8 }
%"struct.std::pair" = type <{ %"struct.std::_Rb_tree_const_iterator", i8, [7 x i8] }>
%"struct.std::_Rb_tree_const_iterator" = type { ptr }

@_ZSt4cout = external global %"class.std::basic_ostream", align 8
@_ZSt3cin = external global %"class.std::basic_istream", align 8

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #0

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

; 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 %"class.std::__cxx11::basic_string", align 8
  %5 = alloca ptr, align 8
  %6 = alloca i32, align 4
  %7 = alloca %"class.std::vector", align 8
  %8 = alloca %"class.std::allocator.0", align 1
  %9 = alloca i32, align 4
  %10 = alloca %"struct.std::pair", align 8
  %11 = alloca i32, align 4
  %12 = alloca i32, align 4
  %13 = alloca i32, align 4
  %14 = alloca i32, align 4
  %15 = alloca i8, align 1
  %16 = alloca %"struct.std::pair", align 8
  %17 = alloca i32, align 4
  %18 = alloca i32, align 4
  %19 = alloca i32, align 4
  %20 = alloca i32, align 4
  %21 = alloca %"struct.std::_Rb_tree_const_iterator", align 8
  %22 = alloca %"struct.std::_Rb_tree_const_iterator", align 8
  store i32 0, ptr %1, align 4
  call void @llvm.lifetime.start.p0(i64 4, ptr %2) #6
  call void @llvm.lifetime.start.p0(i64 4, ptr %3) #6
  call void @llvm.lifetime.start.p0(i64 32, ptr %4) #6
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2Ev(ptr noundef nonnull align 8 dereferenceable(32) %4) #6
  %23 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 4 dereferenceable(4) %2)
          to label %24 unwind label %35

24:                                               ; preds = %0
  %25 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZStrsIcSt11char_traitsIcESaIcEERSt13basic_istreamIT_T0_ES7_RNSt7__cxx1112basic_stringIS4_S5_T1_EE(ptr noundef nonnull align 8 dereferenceable(16) %23, ptr noundef nonnull align 8 dereferenceable(32) %4)
          to label %26 unwind label %35

26:                                               ; preds = %24
  %27 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) %25, ptr noundef nonnull align 4 dereferenceable(4) %3)
          to label %28 unwind label %35

28:                                               ; preds = %26
  call void @llvm.lifetime.start.p0(i64 24, ptr %7) #6
  call void @llvm.lifetime.start.p0(i64 1, ptr %8) #6
  call void @_ZNSaISt3setIiSt4lessIiESaIiEEEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %8) #6
  invoke void @_ZNSt6vectorISt3setIiSt4lessIiESaIiEESaIS4_EEC2EmRKS5_(ptr noundef nonnull align 8 dereferenceable(24) %7, i64 noundef 26, ptr noundef nonnull align 1 dereferenceable(1) %8)
          to label %29 unwind label %39

29:                                               ; preds = %28
  call void @_ZNSt15__new_allocatorISt3setIiSt4lessIiESaIiEEED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %8) #6
  call void @llvm.lifetime.end.p0(i64 1, ptr %8) #6
  call void @llvm.lifetime.start.p0(i64 4, ptr %9) #6
  store i32 0, ptr %9, align 4, !tbaa !5
  br label %30

30:                                               ; preds = %59, %29
  %31 = load i32, ptr %9, align 4, !tbaa !5
  %32 = load i32, ptr %2, align 4, !tbaa !5
  %33 = icmp slt i32 %31, %32
  br i1 %33, label %43, label %34

34:                                               ; preds = %30
  call void @llvm.lifetime.end.p0(i64 4, ptr %9) #6
  br label %66

35:                                               ; preds = %26, %24, %0
  %36 = landingpad { ptr, i32 }
          cleanup
  %37 = extractvalue { ptr, i32 } %36, 0
  store ptr %37, ptr %5, align 8
  %38 = extractvalue { ptr, i32 } %36, 1
  store i32 %38, ptr %6, align 4
  br label %192

39:                                               ; preds = %28
  %40 = landingpad { ptr, i32 }
          cleanup
  %41 = extractvalue { ptr, i32 } %40, 0
  store ptr %41, ptr %5, align 8
  %42 = extractvalue { ptr, i32 } %40, 1
  store i32 %42, ptr %6, align 4
  call void @_ZNSt15__new_allocatorISt3setIiSt4lessIiESaIiEEED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %8) #6
  call void @llvm.lifetime.end.p0(i64 1, ptr %8) #6
  br label %191

43:                                               ; preds = %30
  %44 = load i32, ptr %9, align 4, !tbaa !5
  %45 = sext i32 %44 to i64
  %46 = invoke noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %4, i64 noundef %45)
          to label %47 unwind label %62

47:                                               ; preds = %43
  %48 = load i8, ptr %46, align 1, !tbaa !9
  %49 = sext i8 %48 to i32
  %50 = sub nsw i32 %49, 97
  %51 = sext i32 %50 to i64
  %52 = call noundef nonnull align 8 dereferenceable(48) ptr @_ZNSt6vectorISt3setIiSt4lessIiESaIiEESaIS4_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %7, i64 noundef %51) #6
  %53 = invoke { ptr, i8 } @_ZNSt3setIiSt4lessIiESaIiEE6insertERKi(ptr noundef nonnull align 8 dereferenceable(48) %52, ptr noundef nonnull align 4 dereferenceable(4) %9)
          to label %54 unwind label %62

54:                                               ; preds = %47
  %55 = getelementptr inbounds { ptr, i8 }, ptr %10, i32 0, i32 0
  %56 = extractvalue { ptr, i8 } %53, 0
  store ptr %56, ptr %55, align 8
  %57 = getelementptr inbounds { ptr, i8 }, ptr %10, i32 0, i32 1
  %58 = extractvalue { ptr, i8 } %53, 1
  store i8 %58, ptr %57, align 8
  br label %59

59:                                               ; preds = %54
  %60 = load i32, ptr %9, align 4, !tbaa !5
  %61 = add nsw i32 %60, 1
  store i32 %61, ptr %9, align 4, !tbaa !5
  br label %30, !llvm.loop !10

62:                                               ; preds = %47, %43
  %63 = landingpad { ptr, i32 }
          cleanup
  %64 = extractvalue { ptr, i32 } %63, 0
  store ptr %64, ptr %5, align 8
  %65 = extractvalue { ptr, i32 } %63, 1
  store i32 %65, ptr %6, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %9) #6
  br label %190

66:                                               ; preds = %34
  call void @llvm.lifetime.start.p0(i64 4, ptr %11) #6
  store i32 0, ptr %11, align 4, !tbaa !5
  br label %67

67:                                               ; preds = %184, %66
  %68 = load i32, ptr %11, align 4, !tbaa !5
  %69 = load i32, ptr %3, align 4, !tbaa !5
  %70 = icmp slt i32 %68, %69
  br i1 %70, label %72, label %71

71:                                               ; preds = %67
  store i32 5, ptr %12, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %11) #6
  br label %188

72:                                               ; preds = %67
  call void @llvm.lifetime.start.p0(i64 4, ptr %13) #6
  %73 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 4 dereferenceable(4) %13)
          to label %74 unwind label %115

74:                                               ; preds = %72
  %75 = load i32, ptr %13, align 4, !tbaa !5
  %76 = icmp eq i32 %75, 1
  br i1 %76, label %77, label %123

77:                                               ; preds = %74
  call void @llvm.lifetime.start.p0(i64 4, ptr %14) #6
  call void @llvm.lifetime.start.p0(i64 1, ptr %15) #6
  %78 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 4 dereferenceable(4) %14)
          to label %79 unwind label %119

79:                                               ; preds = %77
  %80 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZStrsIcSt11char_traitsIcEERSt13basic_istreamIT_T0_ES6_RS3_(ptr noundef nonnull align 8 dereferenceable(16) %78, ptr noundef nonnull align 1 dereferenceable(1) %15)
          to label %81 unwind label %119

81:                                               ; preds = %79
  %82 = load i32, ptr %14, align 4, !tbaa !5
  %83 = add nsw i32 %82, -1
  store i32 %83, ptr %14, align 4, !tbaa !5
  %84 = load i32, ptr %14, align 4, !tbaa !5
  %85 = sext i32 %84 to i64
  %86 = invoke noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %4, i64 noundef %85)
          to label %87 unwind label %119

87:                                               ; preds = %81
  %88 = load i8, ptr %86, align 1, !tbaa !9
  %89 = sext i8 %88 to i32
  %90 = sub nsw i32 %89, 97
  %91 = sext i32 %90 to i64
  %92 = call noundef nonnull align 8 dereferenceable(48) ptr @_ZNSt6vectorISt3setIiSt4lessIiESaIiEESaIS4_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %7, i64 noundef %91) #6
  %93 = invoke noundef i64 @_ZNSt3setIiSt4lessIiESaIiEE5eraseERKi(ptr noundef nonnull align 8 dereferenceable(48) %92, ptr noundef nonnull align 4 dereferenceable(4) %14)
          to label %94 unwind label %119

94:                                               ; preds = %87
  %95 = load i8, ptr %15, align 1, !tbaa !9
  %96 = load i32, ptr %14, align 4, !tbaa !5
  %97 = sext i32 %96 to i64
  %98 = invoke noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %4, i64 noundef %97)
          to label %99 unwind label %119

99:                                               ; preds = %94
  store i8 %95, ptr %98, align 1, !tbaa !9
  %100 = load i32, ptr %14, align 4, !tbaa !5
  %101 = sext i32 %100 to i64
  %102 = invoke noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %4, i64 noundef %101)
          to label %103 unwind label %119

103:                                              ; preds = %99
  %104 = load i8, ptr %102, align 1, !tbaa !9
  %105 = sext i8 %104 to i32
  %106 = sub nsw i32 %105, 97
  %107 = sext i32 %106 to i64
  %108 = call noundef nonnull align 8 dereferenceable(48) ptr @_ZNSt6vectorISt3setIiSt4lessIiESaIiEESaIS4_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %7, i64 noundef %107) #6
  %109 = invoke { ptr, i8 } @_ZNSt3setIiSt4lessIiESaIiEE6insertERKi(ptr noundef nonnull align 8 dereferenceable(48) %108, ptr noundef nonnull align 4 dereferenceable(4) %14)
          to label %110 unwind label %119

110:                                              ; preds = %103
  %111 = getelementptr inbounds { ptr, i8 }, ptr %16, i32 0, i32 0
  %112 = extractvalue { ptr, i8 } %109, 0
  store ptr %112, ptr %111, align 8
  %113 = getelementptr inbounds { ptr, i8 }, ptr %16, i32 0, i32 1
  %114 = extractvalue { ptr, i8 } %109, 1
  store i8 %114, ptr %113, align 8
  call void @llvm.lifetime.end.p0(i64 1, ptr %15) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr %14) #6
  br label %183

115:                                              ; preds = %72
  %116 = landingpad { ptr, i32 }
          cleanup
  %117 = extractvalue { ptr, i32 } %116, 0
  store ptr %117, ptr %5, align 8
  %118 = extractvalue { ptr, i32 } %116, 1
  store i32 %118, ptr %6, align 4
  br label %187

119:                                              ; preds = %103, %99, %94, %87, %81, %79, %77
  %120 = landingpad { ptr, i32 }
          cleanup
  %121 = extractvalue { ptr, i32 } %120, 0
  store ptr %121, ptr %5, align 8
  %122 = extractvalue { ptr, i32 } %120, 1
  store i32 %122, ptr %6, align 4
  call void @llvm.lifetime.end.p0(i64 1, ptr %15) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr %14) #6
  br label %187

123:                                              ; preds = %74
  call void @llvm.lifetime.start.p0(i64 4, ptr %17) #6
  call void @llvm.lifetime.start.p0(i64 4, ptr %18) #6
  %124 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 4 dereferenceable(4) %17)
          to label %125 unwind label %136

125:                                              ; preds = %123
  %126 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) %124, ptr noundef nonnull align 4 dereferenceable(4) %18)
          to label %127 unwind label %136

127:                                              ; preds = %125
  %128 = load i32, ptr %17, align 4, !tbaa !5
  %129 = add nsw i32 %128, -1
  store i32 %129, ptr %17, align 4, !tbaa !5
  %130 = load i32, ptr %18, align 4, !tbaa !5
  %131 = add nsw i32 %130, -1
  store i32 %131, ptr %18, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 4, ptr %19) #6
  store i32 0, ptr %19, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 4, ptr %20) #6
  store i32 0, ptr %20, align 4, !tbaa !5
  br label %132

132:                                              ; preds = %168, %127
  %133 = load i32, ptr %20, align 4, !tbaa !5
  %134 = icmp slt i32 %133, 26
  br i1 %134, label %140, label %135

135:                                              ; preds = %132
  store i32 8, ptr %12, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %20) #6
  br label %171

136:                                              ; preds = %125, %123
  %137 = landingpad { ptr, i32 }
          cleanup
  %138 = extractvalue { ptr, i32 } %137, 0
  store ptr %138, ptr %5, align 8
  %139 = extractvalue { ptr, i32 } %137, 1
  store i32 %139, ptr %6, align 4
  br label %182

140:                                              ; preds = %132
  call void @llvm.lifetime.start.p0(i64 8, ptr %21) #6
  %141 = load i32, ptr %20, align 4, !tbaa !5
  %142 = sext i32 %141 to i64
  %143 = call noundef nonnull align 8 dereferenceable(48) ptr @_ZNSt6vectorISt3setIiSt4lessIiESaIiEESaIS4_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %7, i64 noundef %142) #6
  %144 = invoke ptr @_ZNSt3setIiSt4lessIiESaIiEE11lower_boundERKi(ptr noundef nonnull align 8 dereferenceable(48) %143, ptr noundef nonnull align 4 dereferenceable(4) %17)
          to label %145 unwind label %163

145:                                              ; preds = %140
  %146 = getelementptr inbounds %"struct.std::_Rb_tree_const_iterator", ptr %21, i32 0, i32 0
  store ptr %144, ptr %146, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr %22) #6
  %147 = load i32, ptr %20, align 4, !tbaa !5
  %148 = sext i32 %147 to i64
  %149 = call noundef nonnull align 8 dereferenceable(48) ptr @_ZNSt6vectorISt3setIiSt4lessIiESaIiEESaIS4_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %7, i64 noundef %148) #6
  %150 = call ptr @_ZNKSt3setIiSt4lessIiESaIiEE3endEv(ptr noundef nonnull align 8 dereferenceable(48) %149) #6
  %151 = getelementptr inbounds %"struct.std::_Rb_tree_const_iterator", ptr %22, i32 0, i32 0
  store ptr %150, ptr %151, align 8
  %152 = call noundef zeroext i1 @_ZStneRKSt23_Rb_tree_const_iteratorIiES2_(ptr noundef nonnull align 8 dereferenceable(8) %21, ptr noundef nonnull align 8 dereferenceable(8) %22) #6
  br i1 %152, label %153, label %158

153:                                              ; preds = %145
  %154 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNKSt23_Rb_tree_const_iteratorIiEdeEv(ptr noundef nonnull align 8 dereferenceable(8) %21) #6
  %155 = load i32, ptr %154, align 4, !tbaa !5
  %156 = load i32, ptr %18, align 4, !tbaa !5
  %157 = icmp sle i32 %155, %156
  br label %158

158:                                              ; preds = %153, %145
  %159 = phi i1 [ false, %145 ], [ %157, %153 ]
  call void @llvm.lifetime.end.p0(i64 8, ptr %22) #6
  br i1 %159, label %160, label %167

160:                                              ; preds = %158
  %161 = load i32, ptr %19, align 4, !tbaa !5
  %162 = add nsw i32 %161, 1
  store i32 %162, ptr %19, align 4, !tbaa !5
  br label %167

163:                                              ; preds = %140
  %164 = landingpad { ptr, i32 }
          cleanup
  %165 = extractvalue { ptr, i32 } %164, 0
  store ptr %165, ptr %5, align 8
  %166 = extractvalue { ptr, i32 } %164, 1
  store i32 %166, ptr %6, align 4
  call void @llvm.lifetime.end.p0(i64 8, ptr %21) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr %20) #6
  br label %181

167:                                              ; preds = %160, %158
  call void @llvm.lifetime.end.p0(i64 8, ptr %21) #6
  br label %168

168:                                              ; preds = %167
  %169 = load i32, ptr %20, align 4, !tbaa !5
  %170 = add nsw i32 %169, 1
  store i32 %170, ptr %20, align 4, !tbaa !5
  br label %132, !llvm.loop !12

171:                                              ; preds = %135
  %172 = load i32, ptr %19, align 4, !tbaa !5
  %173 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, i32 noundef %172)
          to label %174 unwind label %177

174:                                              ; preds = %171
  %175 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) %173, ptr noundef @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
          to label %176 unwind label %177

176:                                              ; preds = %174
  call void @llvm.lifetime.end.p0(i64 4, ptr %19) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr %18) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr %17) #6
  br label %183

177:                                              ; preds = %174, %171
  %178 = landingpad { ptr, i32 }
          cleanup
  %179 = extractvalue { ptr, i32 } %178, 0
  store ptr %179, ptr %5, align 8
  %180 = extractvalue { ptr, i32 } %178, 1
  store i32 %180, ptr %6, align 4
  br label %181

181:                                              ; preds = %177, %163
  call void @llvm.lifetime.end.p0(i64 4, ptr %19) #6
  br label %182

182:                                              ; preds = %181, %136
  call void @llvm.lifetime.end.p0(i64 4, ptr %18) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr %17) #6
  br label %187

183:                                              ; preds = %176, %110
  call void @llvm.lifetime.end.p0(i64 4, ptr %13) #6
  br label %184

184:                                              ; preds = %183
  %185 = load i32, ptr %11, align 4, !tbaa !5
  %186 = add nsw i32 %185, 1
  store i32 %186, ptr %11, align 4, !tbaa !5
  br label %67, !llvm.loop !13

187:                                              ; preds = %182, %119, %115
  call void @llvm.lifetime.end.p0(i64 4, ptr %13) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr %11) #6
  br label %190

188:                                              ; preds = %71
  call void @_ZNSt6vectorISt3setIiSt4lessIiESaIiEESaIS4_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %7) #6
  call void @llvm.lifetime.end.p0(i64 24, ptr %7) #6
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %4) #6
  call void @llvm.lifetime.end.p0(i64 32, ptr %4) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr %3) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr %2) #6
  %189 = load i32, ptr %1, align 4
  ret i32 %189

190:                                              ; preds = %187, %62
  call void @_ZNSt6vectorISt3setIiSt4lessIiESaIiEESaIS4_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %7) #6
  br label %191

191:                                              ; preds = %190, %39
  call void @llvm.lifetime.end.p0(i64 24, ptr %7) #6
  br label %192

192:                                              ; preds = %191, %35
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %4) #6
  call void @llvm.lifetime.end.p0(i64 32, ptr %4) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr %3) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr %2) #6
  br label %193

193:                                              ; preds = %192
  %194 = load ptr, ptr %5, align 8
  %195 = load i32, ptr %6, align 4
  %196 = insertvalue { ptr, i32 } poison, ptr %194, 0
  %197 = insertvalue { ptr, i32 } %196, i32 %195, 1
  resume { ptr, i32 } %197
}

; Function Attrs: mustprogress nounwind uwtable
declare void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2Ev(ptr noundef nonnull align 8 dereferenceable(32)) unnamed_addr #4 align 2

declare noundef nonnull align 8 dereferenceable(16) ptr @_ZStrsIcSt11char_traitsIcESaIcEERSt13basic_istreamIT_T0_ES7_RNSt7__cxx1112basic_stringIS4_S5_T1_EE(ptr noundef nonnull align 8 dereferenceable(16), ptr noundef nonnull align 8 dereferenceable(32)) #5

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

declare i32 @__gxx_personality_v0(...)

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSaISt3setIiSt4lessIiESaIiEEEC2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #4 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorISt3setIiSt4lessIiESaIiEESaIS4_EEC2EmRKS5_(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef, ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(48) ptr @_ZNSt6vectorISt3setIiSt4lessIiESaIiEESaIS4_EEixEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) #4 align 2

; Function Attrs: mustprogress nounwind uwtable
declare noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32), i64 noundef) #4 align 2

; Function Attrs: mustprogress uwtable
declare dso_local { ptr, i8 } @_ZNSt3setIiSt4lessIiESaIiEE6insertERKi(ptr noundef nonnull align 8 dereferenceable(48), ptr noundef nonnull align 4 dereferenceable(4)) #1 align 2

declare noundef nonnull align 8 dereferenceable(16) ptr @_ZStrsIcSt11char_traitsIcEERSt13basic_istreamIT_T0_ES6_RS3_(ptr noundef nonnull align 8 dereferenceable(16), ptr noundef nonnull align 1 dereferenceable(1)) #5

; Function Attrs: mustprogress uwtable
declare dso_local noundef i64 @_ZNSt3setIiSt4lessIiESaIiEE5eraseERKi(ptr noundef nonnull align 8 dereferenceable(48), ptr noundef nonnull align 4 dereferenceable(4)) #1 align 2

; Function Attrs: mustprogress uwtable
declare dso_local ptr @_ZNSt3setIiSt4lessIiESaIiEE11lower_boundERKi(ptr noundef nonnull align 8 dereferenceable(48), ptr noundef nonnull align 4 dereferenceable(4)) #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_ZStneRKSt23_Rb_tree_const_iteratorIiES2_(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef nonnull align 8 dereferenceable(8)) #4

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNKSt3setIiSt4lessIiESaIiEE3endEv(ptr noundef nonnull align 8 dereferenceable(48)) #4 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 4 dereferenceable(4) ptr @_ZNKSt23_Rb_tree_const_iteratorIiEdeEv(ptr noundef nonnull align 8 dereferenceable(8)) #4 align 2

declare noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8), i32 noundef) #5

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorISt3setIiSt4lessIiESaIiEESaIS4_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #4 align 2

; Function Attrs: mustprogress nounwind uwtable
declare void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32)) unnamed_addr #4 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt15__new_allocatorISt3setIiSt4lessIiESaIiEEED2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #4 align 2

attributes #0 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
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 = { inlinehint mustprogress uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #3 = { mustprogress 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 = { mustprogress nounwind uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #5 = { "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #6 = { nounwind }

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

!0 = !{i32 1, !"wchar_size", i32 4}
!1 = !{i32 8, !"PIC Level", i32 2}
!2 = !{i32 7, !"PIE Level", i32 2}
!3 = !{i32 7, !"uwtable", i32 2}
!4 = !{!"clang version 19.1.0 (git@github.com:llvm/llvm-project.git a4bf6cd7cfb1a1421ba92bca9d017b49936c55e4)"}
!5 = !{!6, !6, i64 0}
!6 = !{!"int", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}
!9 = !{!7, !7, i64 0}
!10 = distinct !{!10, !11}
!11 = !{!"llvm.loop.mustprogress"}
!12 = distinct !{!12, !11}
!13 = distinct !{!13, !11}


; 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::__cxx11::basic_string" = type { %"struct.std::__cxx11::basic_string<char>::_Alloc_hider", i64, %union.anon }
%"struct.std::__cxx11::basic_string<char>::_Alloc_hider" = type { ptr }
%union.anon = type { i64, [8 x i8] }
%"class.std::vector" = type { %"struct.std::_Vector_base" }
%"struct.std::_Vector_base" = type { %"struct.std::_Vector_base<std::set<int>, std::allocator<std::set<int>>>::_Vector_impl" }
%"struct.std::_Vector_base<std::set<int>, std::allocator<std::set<int>>>::_Vector_impl" = type { %"struct.std::_Vector_base<std::set<int>, std::allocator<std::set<int>>>::_Vector_impl_data" }
%"struct.std::_Vector_base<std::set<int>, std::allocator<std::set<int>>>::_Vector_impl_data" = type { ptr, ptr, ptr }
%"class.std::allocator.0" = type { i8 }
%"struct.std::_Rb_tree_const_iterator" = type { ptr }

@_ZSt4cout = external global %"class.std::basic_ostream", align 8
@_ZSt3cin = external global %"class.std::basic_istream", align 8

; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #0

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

; Function Attrs: mustprogress norecurse uwtable
define dso_local noundef i32 @main() local_unnamed_addr #3 personality ptr @__gxx_personality_v0 {
  %1 = alloca i32, align 4
  %2 = alloca i32, align 4
  %3 = alloca %"class.std::__cxx11::basic_string", align 8
  %4 = alloca %"class.std::vector", align 8
  %5 = alloca %"class.std::allocator.0", align 1
  %6 = alloca i32, align 4
  %7 = alloca i32, align 4
  %8 = alloca i32, align 4
  %9 = alloca i8, align 1
  %10 = alloca i32, align 4
  %11 = alloca i32, align 4
  %12 = alloca %"struct.std::_Rb_tree_const_iterator", align 8
  %13 = alloca %"struct.std::_Rb_tree_const_iterator", align 8
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %1) #6
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %2) #6
  call void @llvm.lifetime.start.p0(i64 32, ptr nonnull %3) #6
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2Ev(ptr noundef nonnull align 8 dereferenceable(32) %3) #6
  %14 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 4 dereferenceable(4) %1)
          to label %15 unwind label %25

15:                                               ; preds = %0
  %16 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZStrsIcSt11char_traitsIcESaIcEERSt13basic_istreamIT_T0_ES7_RNSt7__cxx1112basic_stringIS4_S5_T1_EE(ptr noundef nonnull align 8 dereferenceable(16) %14, ptr noundef nonnull align 8 dereferenceable(32) %3)
          to label %17 unwind label %25

17:                                               ; preds = %15
  %18 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) %16, ptr noundef nonnull align 4 dereferenceable(4) %2)
          to label %19 unwind label %25

19:                                               ; preds = %17
  call void @llvm.lifetime.start.p0(i64 24, ptr nonnull %4) #6
  call void @llvm.lifetime.start.p0(i64 1, ptr nonnull %5) #6
  call void @_ZNSaISt3setIiSt4lessIiESaIiEEEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %5) #6
  invoke void @_ZNSt6vectorISt3setIiSt4lessIiESaIiEESaIS4_EEC2EmRKS5_(ptr noundef nonnull align 8 dereferenceable(24) %4, i64 noundef 26, ptr noundef nonnull align 1 dereferenceable(1) %5)
          to label %20 unwind label %27

20:                                               ; preds = %19
  call void @_ZNSt15__new_allocatorISt3setIiSt4lessIiESaIiEEED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %5) #6
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %5) #6
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %6) #6
  store i32 0, ptr %6, align 4, !tbaa !5
  %21 = load i32, ptr %1, align 4, !tbaa !5
  %22 = icmp sgt i32 %21, 0
  br i1 %22, label %.lr.ph, label %._crit_edge

._crit_edge:                                      ; preds = %36, %20
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %6) #6
  %23 = load i32, ptr %2, align 4, !tbaa !5
  %24 = icmp sgt i32 %23, 0
  br i1 %24, label %.lr.ph37, label %._crit_edge38

25:                                               ; preds = %17, %15, %0
  %26 = landingpad { ptr, i32 }
          cleanup
  br label %120

27:                                               ; preds = %19
  %28 = landingpad { ptr, i32 }
          cleanup
  call void @_ZNSt15__new_allocatorISt3setIiSt4lessIiESaIiEEED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %5) #6
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %5) #6
  br label %119

.lr.ph:                                           ; preds = %20, %36
  %storemerge32 = phi i32 [ %38, %36 ], [ 0, %20 ]
  %29 = sext i32 %storemerge32 to i64
  %30 = call noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %3, i64 noundef %29)
  %31 = load i8, ptr %30, align 1, !tbaa !9
  %32 = sext i8 %31 to i64
  %33 = add nsw i64 %32, -97
  %34 = call noundef nonnull align 8 dereferenceable(48) ptr @_ZNSt6vectorISt3setIiSt4lessIiESaIiEESaIS4_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %4, i64 noundef %33) #6
  %35 = invoke { ptr, i8 } @_ZNSt3setIiSt4lessIiESaIiEE6insertERKi(ptr noundef nonnull align 8 dereferenceable(48) %34, ptr noundef nonnull align 4 dereferenceable(4) %6)
          to label %36 unwind label %41

36:                                               ; preds = %.lr.ph
  %37 = load i32, ptr %6, align 4, !tbaa !5
  %38 = add nsw i32 %37, 1
  store i32 %38, ptr %6, align 4, !tbaa !5
  %39 = load i32, ptr %1, align 4, !tbaa !5
  %40 = icmp slt i32 %38, %39
  br i1 %40, label %.lr.ph, label %._crit_edge, !llvm.loop !10

41:                                               ; preds = %.lr.ph
  %42 = landingpad { ptr, i32 }
          cleanup
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %6) #6
  br label %118

._crit_edge38:                                    ; preds = %113, %._crit_edge
  call void @_ZNSt6vectorISt3setIiSt4lessIiESaIiEESaIS4_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %4) #6
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %4) #6
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %3) #6
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %3) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %2) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %1) #6
  ret i32 0

.lr.ph37:                                         ; preds = %._crit_edge, %113
  %.02135 = phi i32 [ %114, %113 ], [ 0, %._crit_edge ]
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %7) #6
  %43 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 4 dereferenceable(4) %7)
          to label %44 unwind label %75

44:                                               ; preds = %.lr.ph37
  %45 = load i32, ptr %7, align 4, !tbaa !5
  %46 = icmp eq i32 %45, 1
  br i1 %46, label %47, label %79

47:                                               ; preds = %44
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %8) #6
  call void @llvm.lifetime.start.p0(i64 1, ptr nonnull %9) #6
  %48 = 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 %49 unwind label %77

49:                                               ; preds = %47
  %50 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZStrsIcSt11char_traitsIcEERSt13basic_istreamIT_T0_ES6_RS3_(ptr noundef nonnull align 8 dereferenceable(16) %48, ptr noundef nonnull align 1 dereferenceable(1) %9)
          to label %51 unwind label %77

51:                                               ; preds = %49
  %52 = load i32, ptr %8, align 4, !tbaa !5
  %53 = add nsw i32 %52, -1
  store i32 %53, ptr %8, align 4, !tbaa !5
  %54 = sext i32 %53 to i64
  %55 = call noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %3, i64 noundef %54)
  %56 = load i8, ptr %55, align 1, !tbaa !9
  %57 = sext i8 %56 to i64
  %58 = add nsw i64 %57, -97
  %59 = call noundef nonnull align 8 dereferenceable(48) ptr @_ZNSt6vectorISt3setIiSt4lessIiESaIiEESaIS4_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %4, i64 noundef %58) #6
  %60 = invoke noundef i64 @_ZNSt3setIiSt4lessIiESaIiEE5eraseERKi(ptr noundef nonnull align 8 dereferenceable(48) %59, ptr noundef nonnull align 4 dereferenceable(4) %8)
          to label %61 unwind label %77

61:                                               ; preds = %51
  %62 = load i8, ptr %9, align 1, !tbaa !9
  %63 = load i32, ptr %8, align 4, !tbaa !5
  %64 = sext i32 %63 to i64
  %65 = call noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %3, i64 noundef %64)
  store i8 %62, ptr %65, align 1, !tbaa !9
  %66 = load i32, ptr %8, align 4, !tbaa !5
  %67 = sext i32 %66 to i64
  %68 = call noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %3, i64 noundef %67)
  %69 = load i8, ptr %68, align 1, !tbaa !9
  %70 = sext i8 %69 to i64
  %71 = add nsw i64 %70, -97
  %72 = call noundef nonnull align 8 dereferenceable(48) ptr @_ZNSt6vectorISt3setIiSt4lessIiESaIiEESaIS4_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %4, i64 noundef %71) #6
  %73 = invoke { ptr, i8 } @_ZNSt3setIiSt4lessIiESaIiEE6insertERKi(ptr noundef nonnull align 8 dereferenceable(48) %72, ptr noundef nonnull align 4 dereferenceable(4) %8)
          to label %74 unwind label %77

74:                                               ; preds = %61
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %9) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %8) #6
  br label %113

75:                                               ; preds = %.lr.ph37
  %76 = landingpad { ptr, i32 }
          cleanup
  br label %117

77:                                               ; preds = %61, %51, %49, %47
  %78 = landingpad { ptr, i32 }
          cleanup
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %9) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %8) #6
  br label %117

79:                                               ; preds = %44
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %10) #6
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %11) #6
  %80 = 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 %81 unwind label %90

81:                                               ; preds = %79
  %82 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) %80, ptr noundef nonnull align 4 dereferenceable(4) %11)
          to label %83 unwind label %90

83:                                               ; preds = %81
  %84 = load i32, ptr %10, align 4, !tbaa !5
  %85 = add nsw i32 %84, -1
  store i32 %85, ptr %10, align 4, !tbaa !5
  %86 = load i32, ptr %11, align 4, !tbaa !5
  %87 = add nsw i32 %86, -1
  store i32 %87, ptr %11, align 4, !tbaa !5
  br label %92

88:                                               ; preds = %106
  %89 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, i32 noundef %.1)
          to label %107 unwind label %110

90:                                               ; preds = %81, %79
  %91 = landingpad { ptr, i32 }
          cleanup
  br label %112

92:                                               ; preds = %83, %106
  %indvars.iv = phi i64 [ 0, %83 ], [ %indvars.iv.next, %106 ]
  %.01233 = phi i32 [ 0, %83 ], [ %.1, %106 ]
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %12) #6
  %93 = call noundef nonnull align 8 dereferenceable(48) ptr @_ZNSt6vectorISt3setIiSt4lessIiESaIiEESaIS4_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %4, i64 noundef %indvars.iv) #6
  %94 = invoke ptr @_ZNSt3setIiSt4lessIiESaIiEE11lower_boundERKi(ptr noundef nonnull align 8 dereferenceable(48) %93, ptr noundef nonnull align 4 dereferenceable(4) %10)
          to label %95 unwind label %104

95:                                               ; preds = %92
  store ptr %94, ptr %12, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %13) #6
  %96 = call noundef nonnull align 8 dereferenceable(48) ptr @_ZNSt6vectorISt3setIiSt4lessIiESaIiEESaIS4_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %4, i64 noundef %indvars.iv) #6
  %97 = call ptr @_ZNKSt3setIiSt4lessIiESaIiEE3endEv(ptr noundef nonnull align 8 dereferenceable(48) %96) #6
  store ptr %97, ptr %13, align 8
  %98 = call noundef zeroext i1 @_ZStneRKSt23_Rb_tree_const_iteratorIiES2_(ptr noundef nonnull align 8 dereferenceable(8) %12, ptr noundef nonnull align 8 dereferenceable(8) %13) #6
  br i1 %98, label %99, label %.critedge

99:                                               ; preds = %95
  %100 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNKSt23_Rb_tree_const_iteratorIiEdeEv(ptr noundef nonnull align 8 dereferenceable(8) %12) #6
  %101 = load i32, ptr %100, align 4, !tbaa !5
  %102 = load i32, ptr %11, align 4, !tbaa !5
  %.not = icmp sle i32 %101, %102
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %13) #6
  %103 = zext i1 %.not to i32
  %spec.select = add nsw i32 %.01233, %103
  br label %106

104:                                              ; preds = %92
  %105 = landingpad { ptr, i32 }
          cleanup
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %12) #6
  br label %112

.critedge:                                        ; preds = %95
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %13) #6
  br label %106

106:                                              ; preds = %99, %.critedge
  %.1 = phi i32 [ %.01233, %.critedge ], [ %spec.select, %99 ]
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %12) #6
  %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
  %exitcond.not = icmp eq i64 %indvars.iv.next, 26
  br i1 %exitcond.not, label %88, label %92, !llvm.loop !12

107:                                              ; preds = %88
  %108 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) %89, ptr noundef nonnull @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
          to label %109 unwind label %110

109:                                              ; preds = %107
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %11) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %10) #6
  br label %113

110:                                              ; preds = %107, %88
  %111 = landingpad { ptr, i32 }
          cleanup
  br label %112

112:                                              ; preds = %104, %110, %90
  %.pn.pn = phi { ptr, i32 } [ %91, %90 ], [ %105, %104 ], [ %111, %110 ]
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %11) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %10) #6
  br label %117

113:                                              ; preds = %109, %74
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %7) #6
  %114 = add nuw nsw i32 %.02135, 1
  %115 = load i32, ptr %2, align 4, !tbaa !5
  %116 = icmp slt i32 %114, %115
  br i1 %116, label %.lr.ph37, label %._crit_edge38, !llvm.loop !13

117:                                              ; preds = %112, %77, %75
  %.pn25 = phi { ptr, i32 } [ %78, %77 ], [ %.pn.pn, %112 ], [ %76, %75 ]
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %7) #6
  br label %118

118:                                              ; preds = %117, %41
  %.pn27 = phi { ptr, i32 } [ %42, %41 ], [ %.pn25, %117 ]
  call void @_ZNSt6vectorISt3setIiSt4lessIiESaIiEESaIS4_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %4) #6
  br label %119

119:                                              ; preds = %118, %27
  %.pn27.pn = phi { ptr, i32 } [ %.pn27, %118 ], [ %28, %27 ]
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %4) #6
  br label %120

120:                                              ; preds = %119, %25
  %.pn27.pn.pn = phi { ptr, i32 } [ %.pn27.pn, %119 ], [ %26, %25 ]
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %3) #6
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %3) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %2) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %1) #6
  resume { ptr, i32 } %.pn27.pn.pn
}

; Function Attrs: mustprogress nounwind uwtable
declare void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2Ev(ptr noundef nonnull align 8 dereferenceable(32)) unnamed_addr #4 align 2

declare noundef nonnull align 8 dereferenceable(16) ptr @_ZStrsIcSt11char_traitsIcESaIcEERSt13basic_istreamIT_T0_ES7_RNSt7__cxx1112basic_stringIS4_S5_T1_EE(ptr noundef nonnull align 8 dereferenceable(16), ptr noundef nonnull align 8 dereferenceable(32)) local_unnamed_addr #5

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 #5

declare i32 @__gxx_personality_v0(...)

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSaISt3setIiSt4lessIiESaIiEEEC2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #4 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorISt3setIiSt4lessIiESaIiEESaIS4_EEC2EmRKS5_(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef, ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(48) ptr @_ZNSt6vectorISt3setIiSt4lessIiESaIiEESaIS4_EEixEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) local_unnamed_addr #4 align 2

; Function Attrs: mustprogress nounwind uwtable
declare noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32), i64 noundef) local_unnamed_addr #4 align 2

; Function Attrs: mustprogress uwtable
declare dso_local { ptr, i8 } @_ZNSt3setIiSt4lessIiESaIiEE6insertERKi(ptr noundef nonnull align 8 dereferenceable(48), ptr noundef nonnull align 4 dereferenceable(4)) local_unnamed_addr #1 align 2

declare noundef nonnull align 8 dereferenceable(16) ptr @_ZStrsIcSt11char_traitsIcEERSt13basic_istreamIT_T0_ES6_RS3_(ptr noundef nonnull align 8 dereferenceable(16), ptr noundef nonnull align 1 dereferenceable(1)) local_unnamed_addr #5

; Function Attrs: mustprogress uwtable
declare dso_local noundef i64 @_ZNSt3setIiSt4lessIiESaIiEE5eraseERKi(ptr noundef nonnull align 8 dereferenceable(48), ptr noundef nonnull align 4 dereferenceable(4)) local_unnamed_addr #1 align 2

; Function Attrs: mustprogress uwtable
declare dso_local ptr @_ZNSt3setIiSt4lessIiESaIiEE11lower_boundERKi(ptr noundef nonnull align 8 dereferenceable(48), ptr noundef nonnull align 4 dereferenceable(4)) local_unnamed_addr #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_ZStneRKSt23_Rb_tree_const_iteratorIiES2_(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #4

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNKSt3setIiSt4lessIiESaIiEE3endEv(ptr noundef nonnull align 8 dereferenceable(48)) local_unnamed_addr #4 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 4 dereferenceable(4) ptr @_ZNKSt23_Rb_tree_const_iteratorIiEdeEv(ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #4 align 2

declare noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8), i32 noundef) local_unnamed_addr #5

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorISt3setIiSt4lessIiESaIiEESaIS4_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #4 align 2

; Function Attrs: mustprogress nounwind uwtable
declare void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32)) unnamed_addr #4 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt15__new_allocatorISt3setIiSt4lessIiESaIiEEED2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #4 align 2

attributes #0 = { mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
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 = { inlinehint mustprogress uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #3 = { mustprogress 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 = { mustprogress nounwind uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #5 = { "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #6 = { nounwind }

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

!0 = !{i32 1, !"wchar_size", i32 4}
!1 = !{i32 8, !"PIC Level", i32 2}
!2 = !{i32 7, !"PIE Level", i32 2}
!3 = !{i32 7, !"uwtable", i32 2}
!4 = !{!"clang version 19.1.0 (git@github.com:llvm/llvm-project.git a4bf6cd7cfb1a1421ba92bca9d017b49936c55e4)"}
!5 = !{!6, !6, i64 0}
!6 = !{!"int", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}
!9 = !{!7, !7, i64 0}
!10 = distinct !{!10, !11}
!11 = !{!"llvm.loop.mustprogress"}
!12 = distinct !{!12, !11}
!13 = distinct !{!13, !11}


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