; LLVM IR from Hunterdii/GeeksforGeeks-POTD :: July 2024 GFG SOLUTION (July-04)

; 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_istream" = type { ptr, i64, %"class.std::basic_ios" }
%"class.std::basic_ios" = type { %"class.std::ios_base", ptr, i8, i8, ptr, ptr, ptr, ptr }
%"class.std::ios_base" = type { ptr, i64, i64, i32, i32, i32, ptr, %"struct.std::ios_base::_Words", [8 x %"struct.std::ios_base::_Words"], i32, ptr, %"class.std::locale" }
%"struct.std::ios_base::_Words" = type { ptr, i64 }
%"class.std::locale" = type { ptr }
%"class.std::basic_ostream" = type { ptr, %"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.Solution = type { i8 }
%"class.std::vector.11" = type { %"struct.std::_Vector_base.12" }
%"struct.std::_Vector_base.12" = type { %"struct.std::_Vector_base<Node *, std::allocator<Node *>>::_Vector_impl" }
%"struct.std::_Vector_base<Node *, std::allocator<Node *>>::_Vector_impl" = type { %"struct.std::_Vector_base<Node *, std::allocator<Node *>>::_Vector_impl_data" }
%"struct.std::_Vector_base<Node *, std::allocator<Node *>>::_Vector_impl_data" = type { ptr, ptr, ptr }
%"class.std::vector.13" = type { %"struct.std::_Vector_base.14" }
%"struct.std::_Vector_base.14" = 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::vector.6" = type { %"struct.std::_Vector_base.7" }
%"struct.std::_Vector_base.7" = 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 }

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

; Function Attrs: mustprogress uwtable
declare dso_local noundef ptr @_Z9buildTreeNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEE(ptr noundef) #0

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

declare i32 @__gxx_personality_v0(...)

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

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

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

; Function Attrs: mustprogress uwtable
declare dso_local void @_Z8preorderP4NodeRSt6vectorIiSaIiEE(ptr noundef, ptr noundef nonnull align 8 dereferenceable(24)) #0

; Function Attrs: mustprogress norecurse uwtable
define dso_local noundef i32 @main() #3 personality ptr @__gxx_personality_v0 {
  %1 = alloca i32, align 4
  %2 = alloca i32, align 4
  %3 = alloca %"class.std::__cxx11::basic_string", align 8
  %4 = alloca ptr, align 8
  %5 = alloca i32, align 4
  %6 = alloca ptr, align 8
  %7 = alloca %"class.std::__cxx11::basic_string", align 8
  %8 = alloca %class.Solution, align 1
  %9 = alloca %"class.std::vector.11", align 8
  %10 = alloca %"class.std::vector.13", align 8
  %11 = alloca i32, align 4
  %12 = alloca %"class.std::vector.6", align 8
  %13 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %14 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %15 = alloca i32, align 4
  %16 = alloca i32, align 4
  %17 = alloca i32, align 4
  store i32 0, ptr %1, align 4
  call void @llvm.lifetime.start.p0(i64 4, ptr %2) #6
  %18 = 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)
  br label %19

19:                                               ; preds = %129, %0
  %20 = load i32, ptr %2, align 4, !tbaa !5
  %21 = add nsw i32 %20, -1
  store i32 %21, ptr %2, align 4, !tbaa !5
  %22 = icmp ne i32 %20, 0
  br i1 %22, label %23, label %134

23:                                               ; preds = %19
  call void @llvm.lifetime.start.p0(i64 32, ptr %3) #6
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2Ev(ptr noundef nonnull align 8 dereferenceable(32) %3) #6
  %24 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsEPFRSiS_E(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef @_ZSt2wsIcSt11char_traitsIcEERSt13basic_istreamIT_T0_ES6_)
          to label %25 unwind label %39

25:                                               ; preds = %23
  %26 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZSt7getlineIcSt11char_traitsIcESaIcEERSt13basic_istreamIT_T0_ES7_RNSt7__cxx1112basic_stringIS4_S5_T1_EE(ptr noundef nonnull align 8 dereferenceable(16) %24, ptr noundef nonnull align 8 dereferenceable(32) %3)
          to label %27 unwind label %39

27:                                               ; preds = %25
  call void @llvm.lifetime.start.p0(i64 8, ptr %6) #6
  invoke void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2ERKS4_(ptr noundef nonnull align 8 dereferenceable(32) %7, ptr noundef nonnull align 8 dereferenceable(32) %3)
          to label %28 unwind label %43

28:                                               ; preds = %27
  %29 = invoke noundef ptr @_Z9buildTreeNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEE(ptr noundef %7)
          to label %30 unwind label %47

30:                                               ; preds = %28
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %7) #6
  store ptr %29, ptr %6, align 8, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 1, ptr %8) #6
  call void @llvm.lifetime.start.p0(i64 24, ptr %9) #6
  %31 = load ptr, ptr %6, align 8, !tbaa !9
  invoke void @_ZN8Solution12printAllDupsEP4Node(ptr dead_on_unwind writable sret(%"class.std::vector.11") align 8 %9, ptr noundef nonnull align 1 dereferenceable(1) %8, ptr noundef %31)
          to label %32 unwind label %51

32:                                               ; preds = %30
  call void @llvm.lifetime.start.p0(i64 24, ptr %10) #6
  call void @_ZNSt6vectorIS_IiSaIiEESaIS1_EEC2Ev(ptr noundef nonnull align 8 dereferenceable(24) %10) #6
  call void @llvm.lifetime.start.p0(i64 4, ptr %11) #6
  store i32 0, ptr %11, align 4, !tbaa !5
  br label %33

33:                                               ; preds = %62, %32
  %34 = load i32, ptr %11, align 4, !tbaa !5
  %35 = sext i32 %34 to i64
  %36 = call noundef i64 @_ZNKSt6vectorIP4NodeSaIS1_EE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24) %9) #6
  %37 = icmp ult i64 %35, %36
  br i1 %37, label %55, label %38

38:                                               ; preds = %33
  call void @llvm.lifetime.end.p0(i64 4, ptr %11) #6
  br label %69

39:                                               ; preds = %25, %23
  %40 = landingpad { ptr, i32 }
          cleanup
  %41 = extractvalue { ptr, i32 } %40, 0
  store ptr %41, ptr %4, align 8
  %42 = extractvalue { ptr, i32 } %40, 1
  store i32 %42, ptr %5, align 4
  br label %133

43:                                               ; preds = %27
  %44 = landingpad { ptr, i32 }
          cleanup
  %45 = extractvalue { ptr, i32 } %44, 0
  store ptr %45, ptr %4, align 8
  %46 = extractvalue { ptr, i32 } %44, 1
  store i32 %46, ptr %5, align 4
  br label %132

47:                                               ; preds = %28
  %48 = landingpad { ptr, i32 }
          cleanup
  %49 = extractvalue { ptr, i32 } %48, 0
  store ptr %49, ptr %4, align 8
  %50 = extractvalue { ptr, i32 } %48, 1
  store i32 %50, ptr %5, align 4
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %7) #6
  br label %132

51:                                               ; preds = %30
  %52 = landingpad { ptr, i32 }
          cleanup
  %53 = extractvalue { ptr, i32 } %52, 0
  store ptr %53, ptr %4, align 8
  %54 = extractvalue { ptr, i32 } %52, 1
  store i32 %54, ptr %5, align 4
  br label %131

55:                                               ; preds = %33
  call void @llvm.lifetime.start.p0(i64 24, ptr %12) #6
  call void @_ZNSt6vectorIiSaIiEEC2Ev(ptr noundef nonnull align 8 dereferenceable(24) %12) #6
  %56 = load i32, ptr %11, align 4, !tbaa !5
  %57 = sext i32 %56 to i64
  %58 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIP4NodeSaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %9, i64 noundef %57) #6
  %59 = load ptr, ptr %58, align 8, !tbaa !9
  invoke void @_Z8preorderP4NodeRSt6vectorIiSaIiEE(ptr noundef %59, ptr noundef nonnull align 8 dereferenceable(24) %12)
          to label %60 unwind label %65

60:                                               ; preds = %55
  invoke void @_ZNSt6vectorIS_IiSaIiEESaIS1_EE9push_backERKS1_(ptr noundef nonnull align 8 dereferenceable(24) %10, ptr noundef nonnull align 8 dereferenceable(24) %12)
          to label %61 unwind label %65

61:                                               ; preds = %60
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %12) #6
  call void @llvm.lifetime.end.p0(i64 24, ptr %12) #6
  br label %62

62:                                               ; preds = %61
  %63 = load i32, ptr %11, align 4, !tbaa !5
  %64 = add nsw i32 %63, 1
  store i32 %64, ptr %11, align 4, !tbaa !5
  br label %33, !llvm.loop !11

65:                                               ; preds = %60, %55
  %66 = landingpad { ptr, i32 }
          cleanup
  %67 = extractvalue { ptr, i32 } %66, 0
  store ptr %67, ptr %4, align 8
  %68 = extractvalue { ptr, i32 } %66, 1
  store i32 %68, ptr %5, align 4
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %12) #6
  call void @llvm.lifetime.end.p0(i64 24, ptr %12) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr %11) #6
  br label %130

69:                                               ; preds = %38
  %70 = call ptr @_ZNSt6vectorIS_IiSaIiEESaIS1_EE5beginEv(ptr noundef nonnull align 8 dereferenceable(24) %10) #6
  %71 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %13, i32 0, i32 0
  store ptr %70, ptr %71, align 8
  %72 = call ptr @_ZNSt6vectorIS_IiSaIiEESaIS1_EE3endEv(ptr noundef nonnull align 8 dereferenceable(24) %10) #6
  %73 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %14, i32 0, i32 0
  store ptr %72, ptr %73, align 8
  %74 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %13, i32 0, i32 0
  %75 = load ptr, ptr %74, align 8
  %76 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %14, i32 0, i32 0
  %77 = load ptr, ptr %76, align 8
  invoke void @_ZSt4sortIN9__gnu_cxx17__normal_iteratorIPSt6vectorIiSaIiEES2_IS4_SaIS4_EEEEEvT_S9_(ptr %75, ptr %77)
          to label %78 unwind label %85

78:                                               ; preds = %69
  call void @llvm.lifetime.start.p0(i64 4, ptr %15) #6
  store i32 0, ptr %15, align 4, !tbaa !5
  br label %79

79:                                               ; preds = %121, %78
  %80 = load i32, ptr %15, align 4, !tbaa !5
  %81 = sext i32 %80 to i64
  %82 = call noundef i64 @_ZNKSt6vectorIS_IiSaIiEESaIS1_EE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24) %10) #6
  %83 = icmp ult i64 %81, %82
  br i1 %83, label %89, label %84

84:                                               ; preds = %79
  store i32 7, ptr %16, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %15) #6
  br label %129

85:                                               ; preds = %69
  %86 = landingpad { ptr, i32 }
          cleanup
  %87 = extractvalue { ptr, i32 } %86, 0
  store ptr %87, ptr %4, align 8
  %88 = extractvalue { ptr, i32 } %86, 1
  store i32 %88, ptr %5, align 4
  br label %130

89:                                               ; preds = %79
  call void @llvm.lifetime.start.p0(i64 4, ptr %17) #6
  store i32 0, ptr %17, align 4, !tbaa !5
  br label %90

90:                                               ; preds = %111, %89
  %91 = load i32, ptr %17, align 4, !tbaa !5
  %92 = sext i32 %91 to i64
  %93 = load i32, ptr %15, align 4, !tbaa !5
  %94 = sext i32 %93 to i64
  %95 = call noundef nonnull align 8 dereferenceable(24) ptr @_ZNSt6vectorIS_IiSaIiEESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %10, i64 noundef %94) #6
  %96 = call noundef i64 @_ZNKSt6vectorIiSaIiEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24) %95) #6
  %97 = icmp ult i64 %92, %96
  br i1 %97, label %99, label %98

98:                                               ; preds = %90
  store i32 10, ptr %16, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %17) #6
  br label %118

99:                                               ; preds = %90
  %100 = load i32, ptr %15, align 4, !tbaa !5
  %101 = sext i32 %100 to i64
  %102 = call noundef nonnull align 8 dereferenceable(24) ptr @_ZNSt6vectorIS_IiSaIiEESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %10, i64 noundef %101) #6
  %103 = load i32, ptr %17, align 4, !tbaa !5
  %104 = sext i32 %103 to i64
  %105 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %102, i64 noundef %104) #6
  %106 = load i32, ptr %105, align 4, !tbaa !5
  %107 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, i32 noundef %106)
          to label %108 unwind label %114

108:                                              ; preds = %99
  %109 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) %107, ptr noundef @.str.2)
          to label %110 unwind label %114

110:                                              ; preds = %108
  br label %111

111:                                              ; preds = %110
  %112 = load i32, ptr %17, align 4, !tbaa !5
  %113 = add nsw i32 %112, 1
  store i32 %113, ptr %17, align 4, !tbaa !5
  br label %90, !llvm.loop !13

114:                                              ; preds = %108, %99
  %115 = landingpad { ptr, i32 }
          cleanup
  %116 = extractvalue { ptr, i32 } %115, 0
  store ptr %116, ptr %4, align 8
  %117 = extractvalue { ptr, i32 } %115, 1
  store i32 %117, ptr %5, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %17) #6
  br label %128

118:                                              ; preds = %98
  %119 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, ptr noundef @.str.3)
          to label %120 unwind label %124

120:                                              ; preds = %118
  br label %121

121:                                              ; preds = %120
  %122 = load i32, ptr %15, align 4, !tbaa !5
  %123 = add nsw i32 %122, 1
  store i32 %123, ptr %15, align 4, !tbaa !5
  br label %79, !llvm.loop !14

124:                                              ; preds = %118
  %125 = landingpad { ptr, i32 }
          cleanup
  %126 = extractvalue { ptr, i32 } %125, 0
  store ptr %126, ptr %4, align 8
  %127 = extractvalue { ptr, i32 } %125, 1
  store i32 %127, ptr %5, align 4
  br label %128

128:                                              ; preds = %124, %114
  call void @llvm.lifetime.end.p0(i64 4, ptr %15) #6
  br label %130

129:                                              ; preds = %84
  call void @_ZNSt6vectorIS_IiSaIiEESaIS1_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %10) #6
  call void @llvm.lifetime.end.p0(i64 24, ptr %10) #6
  call void @_ZNSt6vectorIP4NodeSaIS1_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %9) #6
  call void @llvm.lifetime.end.p0(i64 24, ptr %9) #6
  call void @llvm.lifetime.end.p0(i64 1, ptr %8) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr %6) #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 %3) #6
  br label %19, !llvm.loop !15

130:                                              ; preds = %128, %85, %65
  call void @_ZNSt6vectorIS_IiSaIiEESaIS1_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %10) #6
  call void @llvm.lifetime.end.p0(i64 24, ptr %10) #6
  call void @_ZNSt6vectorIP4NodeSaIS1_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %9) #6
  br label %131

131:                                              ; preds = %130, %51
  call void @llvm.lifetime.end.p0(i64 24, ptr %9) #6
  call void @llvm.lifetime.end.p0(i64 1, ptr %8) #6
  br label %132

132:                                              ; preds = %131, %47, %43
  call void @llvm.lifetime.end.p0(i64 8, ptr %6) #6
  br label %133

133:                                              ; preds = %132, %39
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %3) #6
  call void @llvm.lifetime.end.p0(i64 32, ptr %3) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr %2) #6
  br label %136

134:                                              ; preds = %19
  store i32 0, ptr %1, align 4
  store i32 1, ptr %16, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %2) #6
  %135 = load i32, ptr %1, align 4
  ret i32 %135

136:                                              ; preds = %133
  %137 = load ptr, ptr %4, align 8
  %138 = load i32, ptr %5, align 4
  %139 = insertvalue { ptr, i32 } poison, ptr %137, 0
  %140 = insertvalue { ptr, i32 } %139, i32 %138, 1
  resume { ptr, i32 } %140
}

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

; Function Attrs: inlinehint mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(16) ptr @_ZSt7getlineIcSt11char_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

; Function Attrs: mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsEPFRSiS_E(ptr noundef nonnull align 8 dereferenceable(16), ptr noundef) #0 align 2

declare noundef nonnull align 8 dereferenceable(16) ptr @_ZSt2wsIcSt11char_traitsIcEERSt13basic_istreamIT_T0_ES6_(ptr noundef nonnull align 8 dereferenceable(16)) #4

; Function Attrs: mustprogress uwtable
declare void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2ERKS4_(ptr noundef nonnull align 8 dereferenceable(32), ptr noundef nonnull align 8 dereferenceable(32)) unnamed_addr #0 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZN8Solution12printAllDupsEP4Node(ptr dead_on_unwind noalias writable sret(%"class.std::vector.11") align 8, ptr noundef nonnull align 1 dereferenceable(1), ptr noundef) #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorIS_IiSaIiEESaIS1_EEC2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef i64 @_ZNKSt6vectorIP4NodeSaIS1_EE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24)) #2 align 2

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

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIP4NodeSaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) #2 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorIS_IiSaIiEESaIS1_EE9push_backERKS1_(ptr noundef nonnull align 8 dereferenceable(24), ptr noundef nonnull align 8 dereferenceable(24)) #0 align 2

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

; Function Attrs: inlinehint mustprogress uwtable
declare dso_local void @_ZSt4sortIN9__gnu_cxx17__normal_iteratorIPSt6vectorIiSaIiEES2_IS4_SaIS4_EEEEEvT_S9_(ptr, ptr) #5

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt6vectorIS_IiSaIiEESaIS1_EE5beginEv(ptr noundef nonnull align 8 dereferenceable(24)) #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt6vectorIS_IiSaIiEESaIS1_EE3endEv(ptr noundef nonnull align 8 dereferenceable(24)) #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef i64 @_ZNKSt6vectorIS_IiSaIiEESaIS1_EE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24)) #2 align 2

; 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) #2 align 2

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

; 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) #5

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

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) #2 align 2

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

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorIP4NodeSaIS1_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #2 align 2

attributes #0 = { mustprogress uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #1 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #2 = { mustprogress nounwind uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #3 = { mustprogress norecurse uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #4 = { "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #5 = { 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 #6 = { nounwind }

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

!0 = !{i32 1, !"wchar_size", i32 4}
!1 = !{i32 8, !"PIC Level", i32 2}
!2 = !{i32 7, !"PIE Level", i32 2}
!3 = !{i32 7, !"uwtable", i32 2}
!4 = !{!"clang version 19.1.0 (git@github.com:llvm/llvm-project.git a4bf6cd7cfb1a1421ba92bca9d017b49936c55e4)"}
!5 = !{!6, !6, i64 0}
!6 = !{!"int", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}
!9 = !{!10, !10, i64 0}
!10 = !{!"any pointer", !7, i64 0}
!11 = distinct !{!11, !12}
!12 = !{!"llvm.loop.mustprogress"}
!13 = distinct !{!13, !12}
!14 = distinct !{!14, !12}
!15 = distinct !{!15, !12}


; 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_istream" = type { ptr, i64, %"class.std::basic_ios" }
%"class.std::basic_ios" = type { %"class.std::ios_base", ptr, i8, i8, ptr, ptr, ptr, ptr }
%"class.std::ios_base" = type { ptr, i64, i64, i32, i32, i32, ptr, %"struct.std::ios_base::_Words", [8 x %"struct.std::ios_base::_Words"], i32, ptr, %"class.std::locale" }
%"struct.std::ios_base::_Words" = type { ptr, i64 }
%"class.std::locale" = type { ptr }
%"class.std::basic_ostream" = type { ptr, %"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.Solution = type { i8 }
%"class.std::vector.11" = type { %"struct.std::_Vector_base.12" }
%"struct.std::_Vector_base.12" = type { %"struct.std::_Vector_base<Node *, std::allocator<Node *>>::_Vector_impl" }
%"struct.std::_Vector_base<Node *, std::allocator<Node *>>::_Vector_impl" = type { %"struct.std::_Vector_base<Node *, std::allocator<Node *>>::_Vector_impl_data" }
%"struct.std::_Vector_base<Node *, std::allocator<Node *>>::_Vector_impl_data" = type { ptr, ptr, ptr }
%"class.std::vector.13" = type { %"struct.std::_Vector_base.14" }
%"struct.std::_Vector_base.14" = 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::vector.6" = type { %"struct.std::_Vector_base.7" }
%"struct.std::_Vector_base.7" = 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 }

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

; Function Attrs: mustprogress uwtable
declare dso_local noundef ptr @_Z9buildTreeNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEE(ptr noundef) local_unnamed_addr #0

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

declare i32 @__gxx_personality_v0(...)

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

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

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

; Function Attrs: mustprogress uwtable
declare dso_local void @_Z8preorderP4NodeRSt6vectorIiSaIiEE(ptr noundef, ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #0

; Function Attrs: mustprogress norecurse uwtable
define dso_local noundef i32 @main() local_unnamed_addr #3 personality ptr @__gxx_personality_v0 {
  %1 = alloca i32, align 4
  %2 = alloca %"class.std::__cxx11::basic_string", align 8
  %3 = alloca %"class.std::__cxx11::basic_string", align 8
  %4 = alloca %class.Solution, align 1
  %5 = alloca %"class.std::vector.11", align 8
  %6 = alloca %"class.std::vector.13", align 8
  %7 = alloca %"class.std::vector.6", align 8
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %1) #6
  %8 = 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)
  %9 = load i32, ptr %1, align 4, !tbaa !5
  %10 = add nsw i32 %9, -1
  store i32 %10, ptr %1, align 4, !tbaa !5
  %.not38 = icmp eq i32 %9, 0
  br i1 %.not38, label %._crit_edge41, label %.lr.ph40

.lr.ph40:                                         ; preds = %0, %._crit_edge37
  call void @llvm.lifetime.start.p0(i64 32, ptr nonnull %2) #6
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2Ev(ptr noundef nonnull align 8 dereferenceable(32) %2) #6
  %11 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsEPFRSiS_E(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull @_ZSt2wsIcSt11char_traitsIcEERSt13basic_istreamIT_T0_ES6_)
          to label %12 unwind label %23

12:                                               ; preds = %.lr.ph40
  %13 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZSt7getlineIcSt11char_traitsIcESaIcEERSt13basic_istreamIT_T0_ES7_RNSt7__cxx1112basic_stringIS4_S5_T1_EE(ptr noundef nonnull align 8 dereferenceable(16) %11, ptr noundef nonnull align 8 dereferenceable(32) %2)
          to label %14 unwind label %23

14:                                               ; preds = %12
  invoke void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2ERKS4_(ptr noundef nonnull align 8 dereferenceable(32) %3, ptr noundef nonnull align 8 dereferenceable(32) %2)
          to label %15 unwind label %25

15:                                               ; preds = %14
  %16 = invoke noundef ptr @_Z9buildTreeNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEE(ptr noundef nonnull %3)
          to label %17 unwind label %27

17:                                               ; preds = %15
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %3) #6
  call void @llvm.lifetime.start.p0(i64 1, ptr nonnull %4) #6
  call void @llvm.lifetime.start.p0(i64 24, ptr nonnull %5) #6
  invoke void @_ZN8Solution12printAllDupsEP4Node(ptr dead_on_unwind nonnull writable sret(%"class.std::vector.11") align 8 %5, ptr noundef nonnull align 1 dereferenceable(1) %4, ptr noundef %16)
          to label %18 unwind label %29

18:                                               ; preds = %17
  call void @llvm.lifetime.start.p0(i64 24, ptr nonnull %6) #6
  call void @_ZNSt6vectorIS_IiSaIiEESaIS1_EEC2Ev(ptr noundef nonnull align 8 dereferenceable(24) %6) #6
  %19 = call noundef i64 @_ZNKSt6vectorIP4NodeSaIS1_EE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24) %5) #6
  %.not42 = icmp eq i64 %19, 0
  br i1 %.not42, label %._crit_edge, label %.lr.ph

._crit_edge:                                      ; preds = %34, %18
  %20 = call ptr @_ZNSt6vectorIS_IiSaIiEESaIS1_EE5beginEv(ptr noundef nonnull align 8 dereferenceable(24) %6) #6
  %21 = call ptr @_ZNSt6vectorIS_IiSaIiEESaIS1_EE3endEv(ptr noundef nonnull align 8 dereferenceable(24) %6) #6
  invoke void @_ZSt4sortIN9__gnu_cxx17__normal_iteratorIPSt6vectorIiSaIiEES2_IS4_SaIS4_EEEEEvT_S9_(ptr %20, ptr %21)
          to label %.preheader31 unwind label %43

.preheader31:                                     ; preds = %._crit_edge
  %22 = call noundef i64 @_ZNKSt6vectorIS_IiSaIiEESaIS1_EE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24) %6) #6
  %.not43 = icmp eq i64 %22, 0
  br i1 %.not43, label %._crit_edge37, label %.preheader

23:                                               ; preds = %12, %.lr.ph40
  %24 = landingpad { ptr, i32 }
          cleanup
  br label %65

25:                                               ; preds = %14
  %26 = landingpad { ptr, i32 }
          cleanup
  br label %65

27:                                               ; preds = %15
  %28 = landingpad { ptr, i32 }
          cleanup
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %3) #6
  br label %65

29:                                               ; preds = %17
  %30 = landingpad { ptr, i32 }
          cleanup
  br label %64

.lr.ph:                                           ; preds = %18, %34
  %indvars.iv = phi i64 [ %indvars.iv.next, %34 ], [ 0, %18 ]
  call void @llvm.lifetime.start.p0(i64 24, ptr nonnull %7) #6
  call void @_ZNSt6vectorIiSaIiEEC2Ev(ptr noundef nonnull align 8 dereferenceable(24) %7) #6
  %31 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIP4NodeSaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %5, i64 noundef %indvars.iv) #6
  %32 = load ptr, ptr %31, align 8, !tbaa !9
  invoke void @_Z8preorderP4NodeRSt6vectorIiSaIiEE(ptr noundef %32, ptr noundef nonnull align 8 dereferenceable(24) %7)
          to label %33 unwind label %37

33:                                               ; preds = %.lr.ph
  invoke void @_ZNSt6vectorIS_IiSaIiEESaIS1_EE9push_backERKS1_(ptr noundef nonnull align 8 dereferenceable(24) %6, ptr noundef nonnull align 8 dereferenceable(24) %7)
          to label %34 unwind label %37

34:                                               ; preds = %33
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %7) #6
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %7) #6
  %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
  %35 = call noundef i64 @_ZNKSt6vectorIP4NodeSaIS1_EE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24) %5) #6
  %36 = icmp ugt i64 %35, %indvars.iv.next
  br i1 %36, label %.lr.ph, label %._crit_edge, !llvm.loop !11

37:                                               ; preds = %33, %.lr.ph
  %38 = landingpad { ptr, i32 }
          cleanup
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %7) #6
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %7) #6
  br label %63

.preheader:                                       ; preds = %.preheader31, %58
  %indvars.iv49 = phi i64 [ %indvars.iv.next50, %58 ], [ 0, %.preheader31 ]
  %39 = call noundef nonnull align 8 dereferenceable(24) ptr @_ZNSt6vectorIS_IiSaIiEESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %6, i64 noundef %indvars.iv49) #6
  %40 = call noundef i64 @_ZNKSt6vectorIiSaIiEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24) %39) #6
  %.not44 = icmp eq i64 %40, 0
  br i1 %.not44, label %._crit_edge35, label %.lr.ph34

._crit_edge37:                                    ; preds = %58, %.preheader31
  call void @_ZNSt6vectorIS_IiSaIiEESaIS1_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %6) #6
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %6) #6
  call void @_ZNSt6vectorIP4NodeSaIS1_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %5) #6
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %5) #6
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %4) #6
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %2) #6
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %2) #6
  %41 = load i32, ptr %1, align 4, !tbaa !5
  %42 = add nsw i32 %41, -1
  store i32 %42, ptr %1, align 4, !tbaa !5
  %.not = icmp eq i32 %41, 0
  br i1 %.not, label %._crit_edge41, label %.lr.ph40, !llvm.loop !13

43:                                               ; preds = %._crit_edge
  %44 = landingpad { ptr, i32 }
          cleanup
  br label %63

._crit_edge35:                                    ; preds = %52, %.preheader
  %45 = 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.3)
          to label %58 unwind label %61

.lr.ph34:                                         ; preds = %.preheader, %52
  %indvars.iv46 = phi i64 [ %indvars.iv.next47, %52 ], [ 0, %.preheader ]
  %46 = call noundef nonnull align 8 dereferenceable(24) ptr @_ZNSt6vectorIS_IiSaIiEESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %6, i64 noundef %indvars.iv49) #6
  %47 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %46, i64 noundef %indvars.iv46) #6
  %48 = load i32, ptr %47, align 4, !tbaa !5
  %49 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, i32 noundef %48)
          to label %50 unwind label %56

50:                                               ; preds = %.lr.ph34
  %51 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) %49, ptr noundef nonnull @.str.2)
          to label %52 unwind label %56

52:                                               ; preds = %50
  %indvars.iv.next47 = add nuw nsw i64 %indvars.iv46, 1
  %53 = call noundef nonnull align 8 dereferenceable(24) ptr @_ZNSt6vectorIS_IiSaIiEESaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %6, i64 noundef %indvars.iv49) #6
  %54 = call noundef i64 @_ZNKSt6vectorIiSaIiEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24) %53) #6
  %55 = icmp ugt i64 %54, %indvars.iv.next47
  br i1 %55, label %.lr.ph34, label %._crit_edge35, !llvm.loop !14

56:                                               ; preds = %50, %.lr.ph34
  %57 = landingpad { ptr, i32 }
          cleanup
  br label %63

58:                                               ; preds = %._crit_edge35
  %indvars.iv.next50 = add nuw nsw i64 %indvars.iv49, 1
  %59 = call noundef i64 @_ZNKSt6vectorIS_IiSaIiEESaIS1_EE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24) %6) #6
  %60 = icmp ugt i64 %59, %indvars.iv.next50
  br i1 %60, label %.preheader, label %._crit_edge37, !llvm.loop !15

61:                                               ; preds = %._crit_edge35
  %62 = landingpad { ptr, i32 }
          cleanup
  br label %63

63:                                               ; preds = %56, %61, %43, %37
  %.pn26 = phi { ptr, i32 } [ %38, %37 ], [ %44, %43 ], [ %57, %56 ], [ %62, %61 ]
  call void @_ZNSt6vectorIS_IiSaIiEESaIS1_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %6) #6
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %6) #6
  call void @_ZNSt6vectorIP4NodeSaIS1_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %5) #6
  br label %64

64:                                               ; preds = %63, %29
  %.pn26.pn = phi { ptr, i32 } [ %.pn26, %63 ], [ %30, %29 ]
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %5) #6
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %4) #6
  br label %65

65:                                               ; preds = %25, %27, %64, %23
  %.pn26.pn.pn.pn = phi { ptr, i32 } [ %24, %23 ], [ %.pn26.pn, %64 ], [ %28, %27 ], [ %26, %25 ]
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %2) #6
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %2) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %1) #6
  resume { ptr, i32 } %.pn26.pn.pn.pn

._crit_edge41:                                    ; preds = %._crit_edge37, %0
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %1) #6
  ret i32 0
}

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

; Function Attrs: inlinehint mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(16) ptr @_ZSt7getlineIcSt11char_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

; Function Attrs: mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsEPFRSiS_E(ptr noundef nonnull align 8 dereferenceable(16), ptr noundef) local_unnamed_addr #0 align 2

declare noundef nonnull align 8 dereferenceable(16) ptr @_ZSt2wsIcSt11char_traitsIcEERSt13basic_istreamIT_T0_ES6_(ptr noundef nonnull align 8 dereferenceable(16)) #4

; Function Attrs: mustprogress uwtable
declare void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2ERKS4_(ptr noundef nonnull align 8 dereferenceable(32), ptr noundef nonnull align 8 dereferenceable(32)) unnamed_addr #0 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZN8Solution12printAllDupsEP4Node(ptr dead_on_unwind noalias writable sret(%"class.std::vector.11") align 8, ptr noundef nonnull align 1 dereferenceable(1), ptr noundef) local_unnamed_addr #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorIS_IiSaIiEESaIS1_EEC2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef i64 @_ZNKSt6vectorIP4NodeSaIS1_EE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #2 align 2

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

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIP4NodeSaIS1_EEixEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) local_unnamed_addr #2 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorIS_IiSaIiEESaIS1_EE9push_backERKS1_(ptr noundef nonnull align 8 dereferenceable(24), ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #0 align 2

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

; Function Attrs: inlinehint mustprogress uwtable
declare dso_local void @_ZSt4sortIN9__gnu_cxx17__normal_iteratorIPSt6vectorIiSaIiEES2_IS4_SaIS4_EEEEEvT_S9_(ptr, ptr) local_unnamed_addr #5

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt6vectorIS_IiSaIiEESaIS1_EE5beginEv(ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt6vectorIS_IiSaIiEESaIS1_EE3endEv(ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef i64 @_ZNKSt6vectorIS_IiSaIiEESaIS1_EE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #2 align 2

; 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 #2 align 2

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

; 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 #5

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

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt6vectorIiSaIiEEixEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) local_unnamed_addr #2 align 2

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

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorIP4NodeSaIS1_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #2 align 2

attributes #0 = { mustprogress uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #1 = { mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #2 = { mustprogress nounwind uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #3 = { mustprogress norecurse uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #4 = { "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #5 = { 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 #6 = { nounwind }

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

!0 = !{i32 1, !"wchar_size", i32 4}
!1 = !{i32 8, !"PIC Level", i32 2}
!2 = !{i32 7, !"PIE Level", i32 2}
!3 = !{i32 7, !"uwtable", i32 2}
!4 = !{!"clang version 19.1.0 (git@github.com:llvm/llvm-project.git a4bf6cd7cfb1a1421ba92bca9d017b49936c55e4)"}
!5 = !{!6, !6, i64 0}
!6 = !{!"int", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}
!9 = !{!10, !10, i64 0}
!10 = !{!"any pointer", !7, i64 0}
!11 = distinct !{!11, !12}
!12 = !{!"llvm.loop.mustprogress"}
!13 = distinct !{!13, !12}
!14 = distinct !{!14, !12}
!15 = distinct !{!15, !12}


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