; LLVM IR from tommasocerruti/algolab-2024 :: src/week03/buddy_selection/solution.ll (Z5solvev)

; 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::vector" = type { %"struct.std::_Vector_base" }
%"struct.std::_Vector_base" = type { %"struct.std::_Vector_base<std::unordered_set<std::__cxx11::basic_string<char>>, std::allocator<std::unordered_set<std::__cxx11::basic_string<char>>>>::_Vector_impl" }
%"struct.std::_Vector_base<std::unordered_set<std::__cxx11::basic_string<char>>, std::allocator<std::unordered_set<std::__cxx11::basic_string<char>>>>::_Vector_impl" = type { %"struct.std::_Vector_base<std::unordered_set<std::__cxx11::basic_string<char>>, std::allocator<std::unordered_set<std::__cxx11::basic_string<char>>>>::_Vector_impl_data" }
%"struct.std::_Vector_base<std::unordered_set<std::__cxx11::basic_string<char>>, std::allocator<std::unordered_set<std::__cxx11::basic_string<char>>>>::_Vector_impl_data" = type { ptr, ptr, ptr }
%"class.std::unordered_set" = type { %"class.std::_Hashtable" }
%"class.std::_Hashtable" = type { ptr, i64, %"struct.std::__detail::_Hash_node_base", i64, %"struct.std::__detail::_Prime_rehash_policy", ptr }
%"struct.std::__detail::_Hash_node_base" = type { ptr }
%"struct.std::__detail::_Prime_rehash_policy" = type { float, i64 }
%"struct.std::hash" = type { i8 }
%"struct.std::equal_to" = type { i8 }
%"class.std::allocator.5" = type { i8 }
%"class.std::allocator" = type { i8 }
%"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] }
%"struct.std::pair" = type <{ %"struct.std::__detail::_Node_iterator", i8, [7 x i8] }>
%"struct.std::__detail::_Node_iterator" = type { %"struct.std::__detail::_Node_iterator_base" }
%"struct.std::__detail::_Node_iterator_base" = type { ptr }
%"class.boost::adjacency_list" = type { %"class.boost::vec_adj_list_impl", %"class.boost::scoped_ptr" }
%"class.boost::vec_adj_list_impl" = type { %"class.std::__cxx11::list", %"class.std::vector.14" }
%"class.std::__cxx11::list" = type { %"class.std::__cxx11::_List_base" }
%"class.std::__cxx11::_List_base" = type { %"struct.std::__cxx11::_List_base<boost::list_edge<unsigned long, boost::no_property>, std::allocator<boost::list_edge<unsigned long, boost::no_property>>>::_List_impl" }
%"struct.std::__cxx11::_List_base<boost::list_edge<unsigned long, boost::no_property>, std::allocator<boost::list_edge<unsigned long, boost::no_property>>>::_List_impl" = type { %"struct.std::__detail::_List_node_header" }
%"struct.std::__detail::_List_node_header" = type { %"struct.std::__detail::_List_node_base", i64 }
%"struct.std::__detail::_List_node_base" = type { ptr, ptr }
%"class.std::vector.14" = type { %"struct.std::_Vector_base.15" }
%"struct.std::_Vector_base.15" = type { %"struct.std::_Vector_base<boost::detail::adj_list_gen<boost::adjacency_list<boost::vecS, boost::vecS, boost::undirectedS>, boost::vecS, boost::vecS, boost::undirectedS, boost::no_property, boost::no_property, boost::no_property, boost::listS>::config::stored_vertex, std::allocator<boost::detail::adj_list_gen<boost::adjacency_list<boost::vecS, boost::vecS, boost::undirectedS>, boost::vecS, boost::vecS, boost::undirectedS, boost::no_property, boost::no_property, boost::no_property, boost::listS>::config::stored_vertex>>::_Vector_impl" }
%"struct.std::_Vector_base<boost::detail::adj_list_gen<boost::adjacency_list<boost::vecS, boost::vecS, boost::undirectedS>, boost::vecS, boost::vecS, boost::undirectedS, boost::no_property, boost::no_property, boost::no_property, boost::listS>::config::stored_vertex, std::allocator<boost::detail::adj_list_gen<boost::adjacency_list<boost::vecS, boost::vecS, boost::undirectedS>, boost::vecS, boost::vecS, boost::undirectedS, boost::no_property, boost::no_property, boost::no_property, boost::listS>::config::stored_vertex>>::_Vector_impl" = type { %"struct.std::_Vector_base<boost::detail::adj_list_gen<boost::adjacency_list<boost::vecS, boost::vecS, boost::undirectedS>, boost::vecS, boost::vecS, boost::undirectedS, boost::no_property, boost::no_property, boost::no_property, boost::listS>::config::stored_vertex, std::allocator<boost::detail::adj_list_gen<boost::adjacency_list<boost::vecS, boost::vecS, boost::undirectedS>, boost::vecS, boost::vecS, boost::undirectedS, boost::no_property, boost::no_property, boost::no_property, boost::listS>::config::stored_vertex>>::_Vector_impl_data" }
%"struct.std::_Vector_base<boost::detail::adj_list_gen<boost::adjacency_list<boost::vecS, boost::vecS, boost::undirectedS>, boost::vecS, boost::vecS, boost::undirectedS, boost::no_property, boost::no_property, boost::no_property, boost::listS>::config::stored_vertex, std::allocator<boost::detail::adj_list_gen<boost::adjacency_list<boost::vecS, boost::vecS, boost::undirectedS>, boost::vecS, boost::vecS, boost::undirectedS, boost::no_property, boost::no_property, boost::no_property, boost::listS>::config::stored_vertex>>::_Vector_impl_data" = type { ptr, ptr, ptr }
%"class.boost::scoped_ptr" = type { ptr }
%"struct.boost::no_property" = type { i8 }
%"struct.std::pair.19" = type <{ %"class.boost::detail::edge_desc_impl", i8, [7 x i8] }>
%"class.boost::detail::edge_desc_impl" = type { %"struct.boost::detail::edge_base", ptr }
%"struct.boost::detail::edge_base" = type { i64, i64 }
%"class.std::vector.22" = type { %"struct.std::_Vector_base.23" }
%"struct.std::_Vector_base.23" = type { %"struct.std::_Vector_base<unsigned long, std::allocator<unsigned long>>::_Vector_impl" }
%"struct.std::_Vector_base<unsigned long, std::allocator<unsigned long>>::_Vector_impl" = type { %"struct.std::_Vector_base<unsigned long, std::allocator<unsigned long>>::_Vector_impl_data" }
%"struct.std::_Vector_base<unsigned long, std::allocator<unsigned long>>::_Vector_impl_data" = type { ptr, ptr, ptr }
%"class.std::allocator.24" = type { i8 }
%"class.boost::iterator_property_map" = type <{ %"class.__gnu_cxx::__normal_iterator", [8 x i8] }>
%"class.__gnu_cxx::__normal_iterator" = type { ptr }
%"struct.boost::vec_adj_list_vertex_id_map" = type { i8 }

@_ZSt3cin = external global %"class.std::basic_istream", align 8
@_ZSt4cout = external global %"class.std::basic_ostream", align 8
@.str = external hidden unnamed_addr constant [13 x i8], align 1
@.str.5 = external hidden unnamed_addr constant [9 x i8], align 1

declare i32 @__gxx_personality_v0(...)

; Function Attrs: mustprogress uwtable
define dso_local void @_Z5solvev() #0 personality ptr @__gxx_personality_v0 {
  %1 = alloca i32, align 4
  %2 = alloca i32, align 4
  %3 = alloca i32, align 4
  %4 = alloca %"class.std::vector", align 8
  %5 = alloca %"class.std::unordered_set", align 8
  %6 = alloca %"struct.std::hash", align 1
  %7 = alloca %"struct.std::equal_to", align 1
  %8 = alloca %"class.std::allocator.5", align 1
  %9 = alloca ptr, align 8
  %10 = alloca i32, align 4
  %11 = alloca %"class.std::allocator", align 1
  %12 = alloca i32, align 4
  %13 = alloca i32, align 4
  %14 = alloca i32, align 4
  %15 = alloca %"class.std::__cxx11::basic_string", align 8
  %16 = alloca %"struct.std::pair", align 8
  %17 = alloca %"class.boost::adjacency_list", align 8
  %18 = alloca %"struct.boost::no_property", align 1
  %19 = alloca i32, align 4
  %20 = alloca i32, align 4
  %21 = alloca i32, align 4
  %22 = alloca ptr, align 8
  %23 = alloca %"struct.std::__detail::_Node_iterator", align 8
  %24 = alloca %"struct.std::__detail::_Node_iterator", align 8
  %25 = alloca ptr, align 8
  %26 = alloca %"struct.std::pair.19", align 8
  %27 = alloca %"class.std::vector.22", align 8
  %28 = alloca %"class.std::allocator.24", align 1
  %29 = alloca %"class.boost::iterator_property_map", align 8
  %30 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %31 = alloca %"struct.boost::vec_adj_list_vertex_id_map", align 1
  %32 = alloca %"struct.boost::vec_adj_list_vertex_id_map", align 1
  %33 = alloca i32, align 4
  %34 = alloca %"class.boost::iterator_property_map", align 8
  %35 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %36 = alloca %"struct.boost::vec_adj_list_vertex_id_map", align 1
  %37 = alloca %"struct.boost::vec_adj_list_vertex_id_map", align 1
  call void @llvm.lifetime.start.p0(i64 4, ptr %1) #6
  call void @llvm.lifetime.start.p0(i64 4, ptr %2) #6
  call void @llvm.lifetime.start.p0(i64 4, ptr %3) #6
  %38 = 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)
  %39 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) %38, ptr noundef nonnull align 4 dereferenceable(4) %2)
  %40 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) %39, ptr noundef nonnull align 4 dereferenceable(4) %3)
  call void @llvm.lifetime.start.p0(i64 24, ptr %4) #6
  %41 = load i32, ptr %1, align 4, !tbaa !5
  %42 = sext i32 %41 to i64
  call void @llvm.lifetime.start.p0(i64 56, ptr %5) #6
  %43 = load i32, ptr %2, align 4, !tbaa !5
  %44 = sext i32 %43 to i64
  call void @llvm.lifetime.start.p0(i64 1, ptr %6) #6
  call void @llvm.lifetime.start.p0(i64 1, ptr %7) #6
  call void @llvm.lifetime.start.p0(i64 1, ptr %8) #6
  call void @_ZNSaINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %8) #6
  invoke void @_ZNSt13unordered_setINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESt4hashIS5_ESt8equal_toIS5_ESaIS5_EEC2EmRKS7_RKS9_RKSA_(ptr noundef nonnull align 8 dereferenceable(56) %5, i64 noundef %44, ptr noundef nonnull align 1 dereferenceable(1) %6, ptr noundef nonnull align 1 dereferenceable(1) %7, ptr noundef nonnull align 1 dereferenceable(1) %8)
          to label %45 unwind label %52

45:                                               ; preds = %0
  call void @llvm.lifetime.start.p0(i64 1, ptr %11) #6
  call void @_ZNSaISt13unordered_setINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESt4hashIS5_ESt8equal_toIS5_ESaIS5_EEEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %11) #6
  invoke void @_ZNSt6vectorISt13unordered_setINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESt4hashIS6_ESt8equal_toIS6_ESaIS6_EESaISC_EEC2EmRKSC_RKSD_(ptr noundef nonnull align 8 dereferenceable(24) %4, i64 noundef %42, ptr noundef nonnull align 8 dereferenceable(56) %5, ptr noundef nonnull align 1 dereferenceable(1) %11)
          to label %46 unwind label %56

46:                                               ; preds = %45
  call void @_ZNSt15__new_allocatorISt13unordered_setINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESt4hashIS6_ESt8equal_toIS6_ESaIS6_EEED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %11) #6
  call void @llvm.lifetime.end.p0(i64 1, ptr %11) #6
  call void @_ZNSt13unordered_setINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESt4hashIS5_ESt8equal_toIS5_ESaIS5_EED2Ev(ptr noundef nonnull align 8 dereferenceable(56) %5) #6
  call void @_ZNSt15__new_allocatorINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %8) #6
  call void @llvm.lifetime.end.p0(i64 1, ptr %8) #6
  call void @llvm.lifetime.end.p0(i64 1, ptr %7) #6
  call void @llvm.lifetime.end.p0(i64 1, ptr %6) #6
  call void @llvm.lifetime.end.p0(i64 56, ptr %5) #6
  call void @llvm.lifetime.start.p0(i64 4, ptr %12) #6
  store i32 0, ptr %12, align 4, !tbaa !5
  br label %47

47:                                               ; preds = %87, %46
  %48 = load i32, ptr %12, align 4, !tbaa !5
  %49 = load i32, ptr %1, align 4, !tbaa !5
  %50 = icmp slt i32 %48, %49
  br i1 %50, label %61, label %51

51:                                               ; preds = %47
  store i32 2, ptr %13, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %12) #6
  br label %90

52:                                               ; preds = %0
  %53 = landingpad { ptr, i32 }
          cleanup
  %54 = extractvalue { ptr, i32 } %53, 0
  store ptr %54, ptr %9, align 8
  %55 = extractvalue { ptr, i32 } %53, 1
  store i32 %55, ptr %10, align 4
  br label %60

56:                                               ; preds = %45
  %57 = landingpad { ptr, i32 }
          cleanup
  %58 = extractvalue { ptr, i32 } %57, 0
  store ptr %58, ptr %9, align 8
  %59 = extractvalue { ptr, i32 } %57, 1
  store i32 %59, ptr %10, align 4
  call void @_ZNSt15__new_allocatorISt13unordered_setINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESt4hashIS6_ESt8equal_toIS6_ESaIS6_EEED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %11) #6
  call void @llvm.lifetime.end.p0(i64 1, ptr %11) #6
  call void @_ZNSt13unordered_setINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESt4hashIS5_ESt8equal_toIS5_ESaIS5_EED2Ev(ptr noundef nonnull align 8 dereferenceable(56) %5) #6
  br label %60

60:                                               ; preds = %56, %52
  call void @_ZNSt15__new_allocatorINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %8) #6
  call void @llvm.lifetime.end.p0(i64 1, ptr %8) #6
  call void @llvm.lifetime.end.p0(i64 1, ptr %7) #6
  call void @llvm.lifetime.end.p0(i64 1, ptr %6) #6
  call void @llvm.lifetime.end.p0(i64 56, ptr %5) #6
  br label %228

61:                                               ; preds = %47
  call void @llvm.lifetime.start.p0(i64 4, ptr %14) #6
  store i32 0, ptr %14, align 4, !tbaa !5
  br label %62

62:                                               ; preds = %79, %61
  %63 = load i32, ptr %14, align 4, !tbaa !5
  %64 = load i32, ptr %2, align 4, !tbaa !5
  %65 = icmp slt i32 %63, %64
  br i1 %65, label %67, label %66

66:                                               ; preds = %62
  store i32 5, ptr %13, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %14) #6
  br label %86

67:                                               ; preds = %62
  call void @llvm.lifetime.start.p0(i64 32, ptr %15) #6
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2Ev(ptr noundef nonnull align 8 dereferenceable(32) %15) #6
  %68 = 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) @_ZSt3cin, ptr noundef nonnull align 8 dereferenceable(32) %15)
          to label %69 unwind label %82

69:                                               ; preds = %67
  %70 = load i32, ptr %12, align 4, !tbaa !5
  %71 = sext i32 %70 to i64
  %72 = call noundef nonnull align 8 dereferenceable(56) ptr @_ZNSt6vectorISt13unordered_setINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESt4hashIS6_ESt8equal_toIS6_ESaIS6_EESaISC_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %4, i64 noundef %71) #6
  %73 = invoke { ptr, i8 } @_ZNSt13unordered_setINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESt4hashIS5_ESt8equal_toIS5_ESaIS5_EE6insertERKS5_(ptr noundef nonnull align 8 dereferenceable(56) %72, ptr noundef nonnull align 8 dereferenceable(32) %15)
          to label %74 unwind label %82

74:                                               ; preds = %69
  %75 = getelementptr inbounds { ptr, i8 }, ptr %16, i32 0, i32 0
  %76 = extractvalue { ptr, i8 } %73, 0
  store ptr %76, ptr %75, align 8
  %77 = getelementptr inbounds { ptr, i8 }, ptr %16, i32 0, i32 1
  %78 = extractvalue { ptr, i8 } %73, 1
  store i8 %78, ptr %77, align 8
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %15) #6
  call void @llvm.lifetime.end.p0(i64 32, ptr %15) #6
  br label %79

79:                                               ; preds = %74
  %80 = load i32, ptr %14, align 4, !tbaa !5
  %81 = add nsw i32 %80, 1
  store i32 %81, ptr %14, align 4, !tbaa !5
  br label %62, !llvm.loop !9

82:                                               ; preds = %69, %67
  %83 = landingpad { ptr, i32 }
          cleanup
  %84 = extractvalue { ptr, i32 } %83, 0
  store ptr %84, ptr %9, align 8
  %85 = extractvalue { ptr, i32 } %83, 1
  store i32 %85, ptr %10, align 4
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %15) #6
  call void @llvm.lifetime.end.p0(i64 32, ptr %15) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr %14) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr %12) #6
  br label %227

86:                                               ; preds = %66
  br label %87

87:                                               ; preds = %86
  %88 = load i32, ptr %12, align 4, !tbaa !5
  %89 = add nsw i32 %88, 1
  store i32 %89, ptr %12, align 4, !tbaa !5
  br label %47, !llvm.loop !11

90:                                               ; preds = %51
  call void @llvm.lifetime.start.p0(i64 56, ptr %17) #6
  %91 = load i32, ptr %1, align 4, !tbaa !5
  %92 = sext i32 %91 to i64
  call void @llvm.lifetime.start.p0(i64 1, ptr %18) #6
  invoke void @_ZN5boost14adjacency_listINS_4vecSES1_NS_11undirectedSENS_11no_propertyES3_S3_NS_5listSEEC2EmRKS3_(ptr noundef nonnull align 8 dereferenceable(56) %17, i64 noundef %92, ptr noundef nonnull align 1 dereferenceable(1) %18)
          to label %93 unwind label %99

93:                                               ; preds = %90
  call void @llvm.lifetime.end.p0(i64 1, ptr %18) #6
  call void @llvm.lifetime.start.p0(i64 4, ptr %19) #6
  store i32 0, ptr %19, align 4, !tbaa !5
  br label %94

94:                                               ; preds = %165, %93
  %95 = load i32, ptr %19, align 4, !tbaa !5
  %96 = load i32, ptr %1, align 4, !tbaa !5
  %97 = icmp slt i32 %95, %96
  br i1 %97, label %103, label %98

98:                                               ; preds = %94
  store i32 8, ptr %13, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %19) #6
  br label %168

99:                                               ; preds = %90
  %100 = landingpad { ptr, i32 }
          cleanup
  %101 = extractvalue { ptr, i32 } %100, 0
  store ptr %101, ptr %9, align 8
  %102 = extractvalue { ptr, i32 } %100, 1
  store i32 %102, ptr %10, align 4
  call void @llvm.lifetime.end.p0(i64 1, ptr %18) #6
  br label %226

103:                                              ; preds = %94
  call void @llvm.lifetime.start.p0(i64 4, ptr %20) #6
  %104 = load i32, ptr %19, align 4, !tbaa !5
  %105 = add nsw i32 %104, 1
  store i32 %105, ptr %20, align 4, !tbaa !5
  br label %106

106:                                              ; preds = %160, %103
  %107 = load i32, ptr %20, align 4, !tbaa !5
  %108 = load i32, ptr %1, align 4, !tbaa !5
  %109 = icmp slt i32 %107, %108
  br i1 %109, label %111, label %110

110:                                              ; preds = %106
  store i32 11, ptr %13, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %20) #6
  br label %164

111:                                              ; preds = %106
  call void @llvm.lifetime.start.p0(i64 4, ptr %21) #6
  store i32 0, ptr %21, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %22) #6
  %112 = load i32, ptr %20, align 4, !tbaa !5
  %113 = sext i32 %112 to i64
  %114 = call noundef nonnull align 8 dereferenceable(56) ptr @_ZNSt6vectorISt13unordered_setINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESt4hashIS6_ESt8equal_toIS6_ESaIS6_EESaISC_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %4, i64 noundef %113) #6
  store ptr %114, ptr %22, align 8, !tbaa !12
  call void @llvm.lifetime.start.p0(i64 8, ptr %23) #6
  %115 = load ptr, ptr %22, align 8, !tbaa !12
  %116 = call ptr @_ZNSt13unordered_setINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESt4hashIS5_ESt8equal_toIS5_ESaIS5_EE5beginEv(ptr noundef nonnull align 8 dereferenceable(56) %115) #6
  %117 = getelementptr inbounds %"struct.std::__detail::_Node_iterator", ptr %23, i32 0, i32 0
  %118 = getelementptr inbounds %"struct.std::__detail::_Node_iterator_base", ptr %117, i32 0, i32 0
  store ptr %116, ptr %118, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr %24) #6
  %119 = load ptr, ptr %22, align 8, !tbaa !12
  %120 = call ptr @_ZNSt13unordered_setINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESt4hashIS5_ESt8equal_toIS5_ESaIS5_EE3endEv(ptr noundef nonnull align 8 dereferenceable(56) %119) #6
  %121 = getelementptr inbounds %"struct.std::__detail::_Node_iterator", ptr %24, i32 0, i32 0
  %122 = getelementptr inbounds %"struct.std::__detail::_Node_iterator_base", ptr %121, i32 0, i32 0
  store ptr %120, ptr %122, align 8
  br label %123

123:                                              ; preds = %143, %111
  %124 = call noundef zeroext i1 @_ZNSt8__detailneERKNS_19_Node_iterator_baseINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEELb1EEES9_(ptr noundef nonnull align 8 dereferenceable(8) %23, ptr noundef nonnull align 8 dereferenceable(8) %24) #6
  br i1 %124, label %126, label %125

125:                                              ; preds = %123
  store i32 14, ptr %13, align 4
  call void @llvm.lifetime.end.p0(i64 8, ptr %24) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr %23) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr %22) #6
  br label %145

126:                                              ; preds = %123
  call void @llvm.lifetime.start.p0(i64 8, ptr %25) #6
  %127 = call noundef nonnull align 8 dereferenceable(32) ptr @_ZNKSt8__detail14_Node_iteratorINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEELb1ELb1EEdeEv(ptr noundef nonnull align 8 dereferenceable(8) %23) #6
  store ptr %127, ptr %25, align 8, !tbaa !12
  %128 = load i32, ptr %19, align 4, !tbaa !5
  %129 = sext i32 %128 to i64
  %130 = call noundef nonnull align 8 dereferenceable(56) ptr @_ZNSt6vectorISt13unordered_setINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESt4hashIS6_ESt8equal_toIS6_ESaIS6_EESaISC_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %4, i64 noundef %129) #6
  %131 = load ptr, ptr %25, align 8, !tbaa !12
  %132 = invoke noundef i64 @_ZNKSt13unordered_setINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESt4hashIS5_ESt8equal_toIS5_ESaIS5_EE5countERKS5_(ptr noundef nonnull align 8 dereferenceable(56) %130, ptr noundef nonnull align 8 dereferenceable(32) %131)
          to label %133 unwind label %138

133:                                              ; preds = %126
  %134 = icmp ugt i64 %132, 0
  br i1 %134, label %135, label %142

135:                                              ; preds = %133
  %136 = load i32, ptr %21, align 4, !tbaa !5
  %137 = add nsw i32 %136, 1
  store i32 %137, ptr %21, align 4, !tbaa !5
  br label %142

138:                                              ; preds = %126
  %139 = landingpad { ptr, i32 }
          cleanup
  %140 = extractvalue { ptr, i32 } %139, 0
  store ptr %140, ptr %9, align 8
  %141 = extractvalue { ptr, i32 } %139, 1
  store i32 %141, ptr %10, align 4
  call void @llvm.lifetime.end.p0(i64 8, ptr %25) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr %24) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr %23) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr %22) #6
  br label %163

142:                                              ; preds = %135, %133
  call void @llvm.lifetime.end.p0(i64 8, ptr %25) #6
  br label %143

143:                                              ; preds = %142
  %144 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt8__detail14_Node_iteratorINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEELb1ELb1EEppEv(ptr noundef nonnull align 8 dereferenceable(8) %23) #6
  br label %123

145:                                              ; preds = %125
  %146 = load i32, ptr %21, align 4, !tbaa !5
  %147 = load i32, ptr %3, align 4, !tbaa !5
  %148 = icmp sgt i32 %146, %147
  br i1 %148, label %149, label %159

149:                                              ; preds = %145
  %150 = load i32, ptr %19, align 4, !tbaa !5
  %151 = sext i32 %150 to i64
  %152 = load i32, ptr %20, align 4, !tbaa !5
  %153 = sext i32 %152 to i64
  call void @llvm.lifetime.start.p0(i64 32, ptr %26) #6
  invoke void @_ZN5boost8add_edgeINS_14adjacency_listINS_4vecSES2_NS_11undirectedSENS_11no_propertyES4_S4_NS_5listSEEENS_6detail12adj_list_genIS6_S2_S2_S3_S4_S4_S4_S5_E6configENS_23undirected_graph_helperISA_EEEESt4pairINT0_15edge_descriptorEbENSE_17vertex_descriptorESH_RNS_17vec_adj_list_implIT_SE_T1_EE(ptr dead_on_unwind writable sret(%"struct.std::pair.19") align 8 %26, i64 noundef %151, i64 noundef %153, ptr noundef nonnull align 8 dereferenceable(48) %17)
          to label %154 unwind label %155

154:                                              ; preds = %149
  call void @llvm.lifetime.end.p0(i64 32, ptr %26) #6
  br label %159

155:                                              ; preds = %149
  %156 = landingpad { ptr, i32 }
          cleanup
  %157 = extractvalue { ptr, i32 } %156, 0
  store ptr %157, ptr %9, align 8
  %158 = extractvalue { ptr, i32 } %156, 1
  store i32 %158, ptr %10, align 4
  call void @llvm.lifetime.end.p0(i64 32, ptr %26) #6
  br label %163

159:                                              ; preds = %154, %145
  call void @llvm.lifetime.end.p0(i64 4, ptr %21) #6
  br label %160

160:                                              ; preds = %159
  %161 = load i32, ptr %20, align 4, !tbaa !5
  %162 = add nsw i32 %161, 1
  store i32 %162, ptr %20, align 4, !tbaa !5
  br label %106, !llvm.loop !14

163:                                              ; preds = %155, %138
  call void @llvm.lifetime.end.p0(i64 4, ptr %21) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr %20) #6
  call void @llvm.lifetime.end.p0(i64 4, ptr %19) #6
  br label %225

164:                                              ; preds = %110
  br label %165

165:                                              ; preds = %164
  %166 = load i32, ptr %19, align 4, !tbaa !5
  %167 = add nsw i32 %166, 1
  store i32 %167, ptr %19, align 4, !tbaa !5
  br label %94, !llvm.loop !15

168:                                              ; preds = %98
  call void @llvm.lifetime.start.p0(i64 24, ptr %27) #6
  %169 = load i32, ptr %1, align 4, !tbaa !5
  %170 = sext i32 %169 to i64
  call void @llvm.lifetime.start.p0(i64 1, ptr %28) #6
  call void @_ZNSaImEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %28) #6
  invoke void @_ZNSt6vectorImSaImEEC2EmRKS0_(ptr noundef nonnull align 8 dereferenceable(24) %27, i64 noundef %170, ptr noundef nonnull align 1 dereferenceable(1) %28)
          to label %171 unwind label %207

171:                                              ; preds = %168
  call void @_ZNSt15__new_allocatorImED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %28) #6
  call void @llvm.lifetime.end.p0(i64 1, ptr %28) #6
  %172 = call ptr @_ZNSt6vectorImSaImEE5beginEv(ptr noundef nonnull align 8 dereferenceable(24) %27) #6
  %173 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %30, i32 0, i32 0
  store ptr %172, ptr %173, align 8
  invoke void @_ZN5boost3getINS_6detail12adj_list_genINS_14adjacency_listINS_4vecSES4_NS_11undirectedSENS_11no_propertyES6_S6_NS_5listSEEES4_S4_S5_S6_S6_S6_S7_E6configENS_23undirected_graph_helperISA_EENS_14vertex_index_tEEENS_12property_mapINT_10graph_typeET1_vE4typeESH_RNS_15adj_list_helperISF_T0_EE(i32 noundef 0, ptr noundef nonnull align 1 dereferenceable(1) %17)
          to label %174 unwind label %211

174:                                              ; preds = %171
  %175 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %30, i32 0, i32 0
  %176 = load ptr, ptr %175, align 8
  %177 = invoke ptr @_ZN5boost26make_iterator_property_mapIN9__gnu_cxx17__normal_iteratorIPmSt6vectorImSaImEEEENS_26vec_adj_list_vertex_id_mapINS_11no_propertyEmEEEENS_21iterator_property_mapIT_T0_NSt15iterator_traitsISC_E10value_typeENSF_9referenceEEESC_SD_(ptr %176)
          to label %178 unwind label %211

178:                                              ; preds = %174
  %179 = getelementptr inbounds %"class.boost::iterator_property_map", ptr %29, i32 0, i32 0
  %180 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %179, i32 0, i32 0
  store ptr %177, ptr %180, align 8
  %181 = getelementptr inbounds %"class.boost::iterator_property_map", ptr %29, i32 0, i32 0
  %182 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %181, i32 0, i32 0
  %183 = load ptr, ptr %182, align 8
  invoke void @_ZN5boost36edmonds_maximum_cardinality_matchingINS_14adjacency_listINS_4vecSES2_NS_11undirectedSENS_11no_propertyES4_S4_NS_5listSEEENS_21iterator_property_mapIN9__gnu_cxx17__normal_iteratorIPmSt6vectorImSaImEEEENS_26vec_adj_list_vertex_id_mapIS4_mEEmRmEEEEvRKT_T0_(ptr noundef nonnull align 8 dereferenceable(56) %17, ptr %183)
          to label %184 unwind label %211

184:                                              ; preds = %178
  call void @llvm.lifetime.start.p0(i64 4, ptr %33) #6
  %185 = call ptr @_ZNSt6vectorImSaImEE5beginEv(ptr noundef nonnull align 8 dereferenceable(24) %27) #6
  %186 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %35, i32 0, i32 0
  store ptr %185, ptr %186, align 8
  invoke void @_ZN5boost3getINS_6detail12adj_list_genINS_14adjacency_listINS_4vecSES4_NS_11undirectedSENS_11no_propertyES6_S6_NS_5listSEEES4_S4_S5_S6_S6_S6_S7_E6configENS_23undirected_graph_helperISA_EENS_14vertex_index_tEEENS_12property_mapINT_10graph_typeET1_vE4typeESH_RNS_15adj_list_helperISF_T0_EE(i32 noundef 0, ptr noundef nonnull align 1 dereferenceable(1) %17)
          to label %187 unwind label %215

187:                                              ; preds = %184
  %188 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %35, i32 0, i32 0
  %189 = load ptr, ptr %188, align 8
  %190 = invoke ptr @_ZN5boost26make_iterator_property_mapIN9__gnu_cxx17__normal_iteratorIPmSt6vectorImSaImEEEENS_26vec_adj_list_vertex_id_mapINS_11no_propertyEmEEEENS_21iterator_property_mapIT_T0_NSt15iterator_traitsISC_E10value_typeENSF_9referenceEEESC_SD_(ptr %189)
          to label %191 unwind label %215

191:                                              ; preds = %187
  %192 = getelementptr inbounds %"class.boost::iterator_property_map", ptr %34, i32 0, i32 0
  %193 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %192, i32 0, i32 0
  store ptr %190, ptr %193, align 8
  %194 = getelementptr inbounds %"class.boost::iterator_property_map", ptr %34, i32 0, i32 0
  %195 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %194, i32 0, i32 0
  %196 = load ptr, ptr %195, align 8
  %197 = invoke noundef i64 @_ZN5boost13matching_sizeINS_14adjacency_listINS_4vecSES2_NS_11undirectedSENS_11no_propertyES4_S4_NS_5listSEEENS_21iterator_property_mapIN9__gnu_cxx17__normal_iteratorIPmSt6vectorImSaImEEEENS_26vec_adj_list_vertex_id_mapIS4_mEEmRmEEEENS_12graph_traitsIT_E18vertices_size_typeERKSK_T0_(ptr noundef nonnull align 8 dereferenceable(56) %17, ptr %196)
          to label %198 unwind label %215

198:                                              ; preds = %191
  %199 = trunc i64 %197 to i32
  store i32 %199, ptr %33, align 4, !tbaa !5
  %200 = load i32, ptr %33, align 4, !tbaa !5
  %201 = load i32, ptr %1, align 4, !tbaa !5
  %202 = sdiv i32 %201, 2
  %203 = icmp eq i32 %200, %202
  br i1 %203, label %204, label %219

204:                                              ; preds = %198
  %205 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, ptr noundef @.str)
          to label %206 unwind label %215

206:                                              ; preds = %204
  br label %222

207:                                              ; preds = %168
  %208 = landingpad { ptr, i32 }
          cleanup
  %209 = extractvalue { ptr, i32 } %208, 0
  store ptr %209, ptr %9, align 8
  %210 = extractvalue { ptr, i32 } %208, 1
  store i32 %210, ptr %10, align 4
  call void @_ZNSt15__new_allocatorImED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %28) #6
  call void @llvm.lifetime.end.p0(i64 1, ptr %28) #6
  br label %224

211:                                              ; preds = %178, %174, %171
  %212 = landingpad { ptr, i32 }
          cleanup
  %213 = extractvalue { ptr, i32 } %212, 0
  store ptr %213, ptr %9, align 8
  %214 = extractvalue { ptr, i32 } %212, 1
  store i32 %214, ptr %10, align 4
  br label %223

215:                                              ; preds = %219, %204, %191, %187, %184
  %216 = landingpad { ptr, i32 }
          cleanup
  %217 = extractvalue { ptr, i32 } %216, 0
  store ptr %217, ptr %9, align 8
  %218 = extractvalue { ptr, i32 } %216, 1
  store i32 %218, ptr %10, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %33) #6
  br label %223

219:                                              ; preds = %198
  %220 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, ptr noundef @.str.5)
          to label %221 unwind label %215

221:                                              ; preds = %219
  br label %222

222:                                              ; preds = %221, %206
  call void @llvm.lifetime.end.p0(i64 4, ptr %33) #6
  call void @_ZNSt6vectorImSaImEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %27) #6
  call void @llvm.lifetime.end.p0(i64 24, ptr %27) #6
  call void @_ZN5boost14adjacency_listINS_4vecSES1_NS_11undirectedSENS_11no_propertyES3_S3_NS_5listSEED2Ev(ptr noundef nonnull align 8 dereferenceable(56) %17) #6
  call void @llvm.lifetime.end.p0(i64 56, ptr %17) #6
  call void @_ZNSt6vectorISt13unordered_setINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESt4hashIS6_ESt8equal_toIS6_ESaIS6_EESaISC_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %4) #6
  call void @llvm.lifetime.end.p0(i64 24, 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
  call void @llvm.lifetime.end.p0(i64 4, ptr %1) #6
  ret void

223:                                              ; preds = %215, %211
  call void @_ZNSt6vectorImSaImEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %27) #6
  br label %224

224:                                              ; preds = %223, %207
  call void @llvm.lifetime.end.p0(i64 24, ptr %27) #6
  br label %225

225:                                              ; preds = %224, %163
  call void @_ZN5boost14adjacency_listINS_4vecSES1_NS_11undirectedSENS_11no_propertyES3_S3_NS_5listSEED2Ev(ptr noundef nonnull align 8 dereferenceable(56) %17) #6
  br label %226

226:                                              ; preds = %225, %99
  call void @llvm.lifetime.end.p0(i64 56, ptr %17) #6
  br label %227

227:                                              ; preds = %226, %82
  call void @_ZNSt6vectorISt13unordered_setINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESt4hashIS6_ESt8equal_toIS6_ESaIS6_EESaISC_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %4) #6
  br label %228

228:                                              ; preds = %227, %60
  call void @llvm.lifetime.end.p0(i64 24, 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
  call void @llvm.lifetime.end.p0(i64 4, ptr %1) #6
  br label %229

229:                                              ; preds = %228
  %230 = load ptr, ptr %9, align 8
  %231 = load i32, ptr %10, align 4
  %232 = insertvalue { ptr, i32 } poison, ptr %230, 0
  %233 = insertvalue { ptr, i32 } %232, i32 %231, 1
  resume { ptr, i32 } %233
}

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

declare noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16), ptr noundef nonnull align 4 dereferenceable(4)) #2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSaINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEEC2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #3 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt13unordered_setINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESt4hashIS5_ESt8equal_toIS5_ESaIS5_EEC2EmRKS7_RKS9_RKSA_(ptr noundef nonnull align 8 dereferenceable(56), i64 noundef, ptr noundef nonnull align 1 dereferenceable(1), ptr noundef nonnull align 1 dereferenceable(1), ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSaISt13unordered_setINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESt4hashIS5_ESt8equal_toIS5_ESaIS5_EEEC2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #3 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorISt13unordered_setINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESt4hashIS6_ESt8equal_toIS6_ESaIS6_EESaISC_EEC2EmRKSC_RKSD_(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef, ptr noundef nonnull align 8 dereferenceable(56), ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #0 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: inlinehint mustprogress nounwind uwtable
declare dso_local void @_ZNSt13unordered_setINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESt4hashIS5_ESt8equal_toIS5_ESaIS5_EED2Ev(ptr noundef nonnull align 8 dereferenceable(56)) unnamed_addr #4 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt15__new_allocatorINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEED2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #3 align 2

; Function Attrs: mustprogress nounwind uwtable
declare void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2Ev(ptr noundef nonnull align 8 dereferenceable(32)) unnamed_addr #3 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)) #2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(56) ptr @_ZNSt6vectorISt13unordered_setINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESt4hashIS6_ESt8equal_toIS6_ESaIS6_EESaISC_EEixEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) #3 align 2

; Function Attrs: mustprogress uwtable
declare dso_local { ptr, i8 } @_ZNSt13unordered_setINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESt4hashIS5_ESt8equal_toIS5_ESaIS5_EE6insertERKS5_(ptr noundef nonnull align 8 dereferenceable(56), ptr noundef nonnull align 8 dereferenceable(32)) #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32)) unnamed_addr #3 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZN5boost14adjacency_listINS_4vecSES1_NS_11undirectedSENS_11no_propertyES3_S3_NS_5listSEEC2EmRKS3_(ptr noundef nonnull align 8 dereferenceable(56), i64 noundef, ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt13unordered_setINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESt4hashIS5_ESt8equal_toIS5_ESaIS5_EE5beginEv(ptr noundef nonnull align 8 dereferenceable(56)) #3 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt13unordered_setINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESt4hashIS5_ESt8equal_toIS5_ESaIS5_EE3endEv(ptr noundef nonnull align 8 dereferenceable(56)) #3 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_ZNSt8__detailneERKNS_19_Node_iterator_baseINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEELb1EEES9_(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef nonnull align 8 dereferenceable(8)) #3

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(32) ptr @_ZNKSt8__detail14_Node_iteratorINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEELb1ELb1EEdeEv(ptr noundef nonnull align 8 dereferenceable(8)) #3 align 2

; Function Attrs: mustprogress uwtable
declare dso_local noundef i64 @_ZNKSt13unordered_setINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESt4hashIS5_ESt8equal_toIS5_ESaIS5_EE5countERKS5_(ptr noundef nonnull align 8 dereferenceable(56), ptr noundef nonnull align 8 dereferenceable(32)) #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt8__detail14_Node_iteratorINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEELb1ELb1EEppEv(ptr noundef nonnull align 8 dereferenceable(8)) #3 align 2

; Function Attrs: inlinehint mustprogress uwtable
declare dso_local void @_ZN5boost8add_edgeINS_14adjacency_listINS_4vecSES2_NS_11undirectedSENS_11no_propertyES4_S4_NS_5listSEEENS_6detail12adj_list_genIS6_S2_S2_S3_S4_S4_S4_S5_E6configENS_23undirected_graph_helperISA_EEEESt4pairINT0_15edge_descriptorEbENSE_17vertex_descriptorESH_RNS_17vec_adj_list_implIT_SE_T1_EE(ptr dead_on_unwind noalias writable sret(%"struct.std::pair.19") align 8, i64 noundef, i64 noundef, ptr noundef nonnull align 8 dereferenceable(48)) #5

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSaImEC2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #3 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorImSaImEEC2EmRKS0_(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef, ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #0 align 2

; Function Attrs: inlinehint mustprogress uwtable
declare dso_local void @_ZN5boost36edmonds_maximum_cardinality_matchingINS_14adjacency_listINS_4vecSES2_NS_11undirectedSENS_11no_propertyES4_S4_NS_5listSEEENS_21iterator_property_mapIN9__gnu_cxx17__normal_iteratorIPmSt6vectorImSaImEEEENS_26vec_adj_list_vertex_id_mapIS4_mEEmRmEEEEvRKT_T0_(ptr noundef nonnull align 8 dereferenceable(56), ptr) #5

; Function Attrs: inlinehint mustprogress uwtable
declare dso_local ptr @_ZN5boost26make_iterator_property_mapIN9__gnu_cxx17__normal_iteratorIPmSt6vectorImSaImEEEENS_26vec_adj_list_vertex_id_mapINS_11no_propertyEmEEEENS_21iterator_property_mapIT_T0_NSt15iterator_traitsISC_E10value_typeENSF_9referenceEEESC_SD_(ptr) #5

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt6vectorImSaImEE5beginEv(ptr noundef nonnull align 8 dereferenceable(24)) #3 align 2

; Function Attrs: inlinehint mustprogress uwtable
declare dso_local void @_ZN5boost3getINS_6detail12adj_list_genINS_14adjacency_listINS_4vecSES4_NS_11undirectedSENS_11no_propertyES6_S6_NS_5listSEEES4_S4_S5_S6_S6_S6_S7_E6configENS_23undirected_graph_helperISA_EENS_14vertex_index_tEEENS_12property_mapINT_10graph_typeET1_vE4typeESH_RNS_15adj_list_helperISF_T0_EE(i32 noundef, ptr noundef nonnull align 1 dereferenceable(1)) #5

; Function Attrs: inlinehint mustprogress uwtable
declare dso_local noundef i64 @_ZN5boost13matching_sizeINS_14adjacency_listINS_4vecSES2_NS_11undirectedSENS_11no_propertyES4_S4_NS_5listSEEENS_21iterator_property_mapIN9__gnu_cxx17__normal_iteratorIPmSt6vectorImSaImEEEENS_26vec_adj_list_vertex_id_mapIS4_mEEmRmEEEENS_12graph_traitsIT_E18vertices_size_typeERKSK_T0_(ptr noundef nonnull align 8 dereferenceable(56), ptr) #5

; 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

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorImSaImEED2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #3 align 2

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local void @_ZN5boost14adjacency_listINS_4vecSES1_NS_11undirectedSENS_11no_propertyES3_S3_NS_5listSEED2Ev(ptr noundef nonnull align 8 dereferenceable(56)) unnamed_addr #4 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorISt13unordered_setINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESt4hashIS6_ESt8equal_toIS6_ESaIS6_EESaISC_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #3 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt15__new_allocatorISt13unordered_setINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESt4hashIS6_ESt8equal_toIS6_ESaIS6_EEED2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #3 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt15__new_allocatorImED2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #3 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 = { "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 nounwind uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #4 = { inlinehint mustprogress nounwind uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #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 = distinct !{!9, !10}
!10 = !{!"llvm.loop.mustprogress"}
!11 = distinct !{!11, !10}
!12 = !{!13, !13, i64 0}
!13 = !{!"any pointer", !7, i64 0}
!14 = distinct !{!14, !10}
!15 = distinct !{!15, !10}


; 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::vector" = type { %"struct.std::_Vector_base" }
%"struct.std::_Vector_base" = type { %"struct.std::_Vector_base<std::unordered_set<std::__cxx11::basic_string<char>>, std::allocator<std::unordered_set<std::__cxx11::basic_string<char>>>>::_Vector_impl" }
%"struct.std::_Vector_base<std::unordered_set<std::__cxx11::basic_string<char>>, std::allocator<std::unordered_set<std::__cxx11::basic_string<char>>>>::_Vector_impl" = type { %"struct.std::_Vector_base<std::unordered_set<std::__cxx11::basic_string<char>>, std::allocator<std::unordered_set<std::__cxx11::basic_string<char>>>>::_Vector_impl_data" }
%"struct.std::_Vector_base<std::unordered_set<std::__cxx11::basic_string<char>>, std::allocator<std::unordered_set<std::__cxx11::basic_string<char>>>>::_Vector_impl_data" = type { ptr, ptr, ptr }
%"class.std::unordered_set" = type { %"class.std::_Hashtable" }
%"class.std::_Hashtable" = type { ptr, i64, %"struct.std::__detail::_Hash_node_base", i64, %"struct.std::__detail::_Prime_rehash_policy", ptr }
%"struct.std::__detail::_Hash_node_base" = type { ptr }
%"struct.std::__detail::_Prime_rehash_policy" = type { float, i64 }
%"struct.std::hash" = type { i8 }
%"struct.std::equal_to" = type { i8 }
%"class.std::allocator.5" = type { i8 }
%"class.std::allocator" = type { i8 }
%"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.boost::adjacency_list" = type { %"class.boost::vec_adj_list_impl", %"class.boost::scoped_ptr" }
%"class.boost::vec_adj_list_impl" = type { %"class.std::__cxx11::list", %"class.std::vector.14" }
%"class.std::__cxx11::list" = type { %"class.std::__cxx11::_List_base" }
%"class.std::__cxx11::_List_base" = type { %"struct.std::__cxx11::_List_base<boost::list_edge<unsigned long, boost::no_property>, std::allocator<boost::list_edge<unsigned long, boost::no_property>>>::_List_impl" }
%"struct.std::__cxx11::_List_base<boost::list_edge<unsigned long, boost::no_property>, std::allocator<boost::list_edge<unsigned long, boost::no_property>>>::_List_impl" = type { %"struct.std::__detail::_List_node_header" }
%"struct.std::__detail::_List_node_header" = type { %"struct.std::__detail::_List_node_base", i64 }
%"struct.std::__detail::_List_node_base" = type { ptr, ptr }
%"class.std::vector.14" = type { %"struct.std::_Vector_base.15" }
%"struct.std::_Vector_base.15" = type { %"struct.std::_Vector_base<boost::detail::adj_list_gen<boost::adjacency_list<boost::vecS, boost::vecS, boost::undirectedS>, boost::vecS, boost::vecS, boost::undirectedS, boost::no_property, boost::no_property, boost::no_property, boost::listS>::config::stored_vertex, std::allocator<boost::detail::adj_list_gen<boost::adjacency_list<boost::vecS, boost::vecS, boost::undirectedS>, boost::vecS, boost::vecS, boost::undirectedS, boost::no_property, boost::no_property, boost::no_property, boost::listS>::config::stored_vertex>>::_Vector_impl" }
%"struct.std::_Vector_base<boost::detail::adj_list_gen<boost::adjacency_list<boost::vecS, boost::vecS, boost::undirectedS>, boost::vecS, boost::vecS, boost::undirectedS, boost::no_property, boost::no_property, boost::no_property, boost::listS>::config::stored_vertex, std::allocator<boost::detail::adj_list_gen<boost::adjacency_list<boost::vecS, boost::vecS, boost::undirectedS>, boost::vecS, boost::vecS, boost::undirectedS, boost::no_property, boost::no_property, boost::no_property, boost::listS>::config::stored_vertex>>::_Vector_impl" = type { %"struct.std::_Vector_base<boost::detail::adj_list_gen<boost::adjacency_list<boost::vecS, boost::vecS, boost::undirectedS>, boost::vecS, boost::vecS, boost::undirectedS, boost::no_property, boost::no_property, boost::no_property, boost::listS>::config::stored_vertex, std::allocator<boost::detail::adj_list_gen<boost::adjacency_list<boost::vecS, boost::vecS, boost::undirectedS>, boost::vecS, boost::vecS, boost::undirectedS, boost::no_property, boost::no_property, boost::no_property, boost::listS>::config::stored_vertex>>::_Vector_impl_data" }
%"struct.std::_Vector_base<boost::detail::adj_list_gen<boost::adjacency_list<boost::vecS, boost::vecS, boost::undirectedS>, boost::vecS, boost::vecS, boost::undirectedS, boost::no_property, boost::no_property, boost::no_property, boost::listS>::config::stored_vertex, std::allocator<boost::detail::adj_list_gen<boost::adjacency_list<boost::vecS, boost::vecS, boost::undirectedS>, boost::vecS, boost::vecS, boost::undirectedS, boost::no_property, boost::no_property, boost::no_property, boost::listS>::config::stored_vertex>>::_Vector_impl_data" = type { ptr, ptr, ptr }
%"class.boost::scoped_ptr" = type { ptr }
%"struct.boost::no_property" = type { i8 }
%"struct.std::__detail::_Node_iterator" = type { %"struct.std::__detail::_Node_iterator_base" }
%"struct.std::__detail::_Node_iterator_base" = type { ptr }
%"struct.std::pair.19" = type <{ %"class.boost::detail::edge_desc_impl", i8, [7 x i8] }>
%"class.boost::detail::edge_desc_impl" = type { %"struct.boost::detail::edge_base", ptr }
%"struct.boost::detail::edge_base" = type { i64, i64 }
%"class.std::vector.22" = type { %"struct.std::_Vector_base.23" }
%"struct.std::_Vector_base.23" = type { %"struct.std::_Vector_base<unsigned long, std::allocator<unsigned long>>::_Vector_impl" }
%"struct.std::_Vector_base<unsigned long, std::allocator<unsigned long>>::_Vector_impl" = type { %"struct.std::_Vector_base<unsigned long, std::allocator<unsigned long>>::_Vector_impl_data" }
%"struct.std::_Vector_base<unsigned long, std::allocator<unsigned long>>::_Vector_impl_data" = type { ptr, ptr, ptr }
%"class.std::allocator.24" = type { i8 }

@_ZSt3cin = external global %"class.std::basic_istream", align 8
@_ZSt4cout = external global %"class.std::basic_ostream", align 8
@.str = external hidden unnamed_addr constant [13 x i8], align 1
@.str.5 = external hidden unnamed_addr constant [9 x i8], align 1

declare i32 @__gxx_personality_v0(...)

; Function Attrs: mustprogress uwtable
define dso_local void @_Z5solvev() local_unnamed_addr #0 personality ptr @__gxx_personality_v0 {
  %1 = alloca i32, align 4
  %2 = alloca i32, align 4
  %3 = alloca i32, align 4
  %4 = alloca %"class.std::vector", align 8
  %5 = alloca %"class.std::unordered_set", align 8
  %6 = alloca %"struct.std::hash", align 1
  %7 = alloca %"struct.std::equal_to", align 1
  %8 = alloca %"class.std::allocator.5", align 1
  %9 = alloca %"class.std::allocator", align 1
  %10 = alloca %"class.std::__cxx11::basic_string", align 8
  %11 = alloca %"class.boost::adjacency_list", align 8
  %12 = alloca %"struct.boost::no_property", align 1
  %13 = alloca %"struct.std::__detail::_Node_iterator", align 8
  %14 = alloca %"struct.std::__detail::_Node_iterator", align 8
  %15 = alloca %"struct.std::pair.19", align 8
  %16 = alloca %"class.std::vector.22", align 8
  %17 = alloca %"class.std::allocator.24", align 1
  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 4, ptr nonnull %3) #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) %1)
  %19 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) %18, ptr noundef nonnull align 4 dereferenceable(4) %2)
  %20 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) %19, ptr noundef nonnull align 4 dereferenceable(4) %3)
  call void @llvm.lifetime.start.p0(i64 24, ptr nonnull %4) #6
  %21 = load i32, ptr %1, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 56, ptr nonnull %5) #6
  %22 = load i32, ptr %2, align 4, !tbaa !5
  %23 = sext i32 %22 to i64
  call void @llvm.lifetime.start.p0(i64 1, ptr nonnull %6) #6
  call void @llvm.lifetime.start.p0(i64 1, ptr nonnull %7) #6
  call void @llvm.lifetime.start.p0(i64 1, ptr nonnull %8) #6
  call void @_ZNSaINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %8) #6
  invoke void @_ZNSt13unordered_setINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESt4hashIS5_ESt8equal_toIS5_ESaIS5_EEC2EmRKS7_RKS9_RKSA_(ptr noundef nonnull align 8 dereferenceable(56) %5, i64 noundef %23, ptr noundef nonnull align 1 dereferenceable(1) %6, ptr noundef nonnull align 1 dereferenceable(1) %7, ptr noundef nonnull align 1 dereferenceable(1) %8)
          to label %24 unwind label %35

24:                                               ; preds = %0
  %25 = sext i32 %21 to i64
  call void @llvm.lifetime.start.p0(i64 1, ptr nonnull %9) #6
  call void @_ZNSaISt13unordered_setINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESt4hashIS5_ESt8equal_toIS5_ESaIS5_EEEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %9) #6
  invoke void @_ZNSt6vectorISt13unordered_setINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESt4hashIS6_ESt8equal_toIS6_ESaIS6_EESaISC_EEC2EmRKSC_RKSD_(ptr noundef nonnull align 8 dereferenceable(24) %4, i64 noundef %25, ptr noundef nonnull align 8 dereferenceable(56) %5, ptr noundef nonnull align 1 dereferenceable(1) %9)
          to label %26 unwind label %37

26:                                               ; preds = %24
  call void @_ZNSt15__new_allocatorISt13unordered_setINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESt4hashIS6_ESt8equal_toIS6_ESaIS6_EEED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %9) #6
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %9) #6
  call void @_ZNSt13unordered_setINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESt4hashIS5_ESt8equal_toIS5_ESaIS5_EED2Ev(ptr noundef nonnull align 8 dereferenceable(56) %5) #6
  call void @_ZNSt15__new_allocatorINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %8) #6
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %8) #6
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %7) #6
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %6) #6
  call void @llvm.lifetime.end.p0(i64 56, ptr nonnull %5) #6
  %27 = load i32, ptr %1, align 4, !tbaa !5
  %28 = icmp sgt i32 %27, 0
  %29 = load i32, ptr %2, align 4
  %30 = icmp sgt i32 %29, 0
  %or.cond = select i1 %28, i1 %30, i1 false
  br i1 %or.cond, label %.preheader, label %._crit_edge57

.preheader:                                       ; preds = %26, %._crit_edge
  %31 = phi i32 [ %40, %._crit_edge ], [ %27, %26 ]
  %32 = phi i32 [ %41, %._crit_edge ], [ %29, %26 ]
  %indvars.iv = phi i64 [ %indvars.iv.next, %._crit_edge ], [ 0, %26 ]
  %33 = icmp sgt i32 %32, 0
  br i1 %33, label %.lr.ph, label %._crit_edge

._crit_edge57:                                    ; preds = %._crit_edge, %26
  %.lcssa53 = phi i32 [ %27, %26 ], [ %40, %._crit_edge ]
  call void @llvm.lifetime.start.p0(i64 56, ptr nonnull %11) #6
  %34 = sext i32 %.lcssa53 to i64
  call void @llvm.lifetime.start.p0(i64 1, ptr nonnull %12) #6
  invoke void @_ZN5boost14adjacency_listINS_4vecSES1_NS_11undirectedSENS_11no_propertyES3_S3_NS_5listSEEC2EmRKS3_(ptr noundef nonnull align 8 dereferenceable(56) %11, i64 noundef %34, ptr noundef nonnull align 1 dereferenceable(1) %12)
          to label %54 unwind label %59

35:                                               ; preds = %0
  %36 = landingpad { ptr, i32 }
          cleanup
  br label %39

37:                                               ; preds = %24
  %38 = landingpad { ptr, i32 }
          cleanup
  call void @_ZNSt15__new_allocatorISt13unordered_setINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESt4hashIS6_ESt8equal_toIS6_ESaIS6_EEED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %9) #6
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %9) #6
  call void @_ZNSt13unordered_setINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESt4hashIS5_ESt8equal_toIS5_ESaIS5_EED2Ev(ptr noundef nonnull align 8 dereferenceable(56) %5) #6
  br label %39

39:                                               ; preds = %37, %35
  %.pn = phi { ptr, i32 } [ %38, %37 ], [ %36, %35 ]
  call void @_ZNSt15__new_allocatorINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %8) #6
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %8) #6
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %7) #6
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %6) #6
  call void @llvm.lifetime.end.p0(i64 56, ptr nonnull %5) #6
  br label %116

._crit_edge.loopexit:                             ; preds = %48
  %.pre = load i32, ptr %1, align 4, !tbaa !5
  br label %._crit_edge

._crit_edge:                                      ; preds = %._crit_edge.loopexit, %.preheader
  %40 = phi i32 [ %.pre, %._crit_edge.loopexit ], [ %31, %.preheader ]
  %41 = phi i32 [ %50, %._crit_edge.loopexit ], [ %32, %.preheader ]
  %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
  %42 = sext i32 %40 to i64
  %43 = icmp slt i64 %indvars.iv.next, %42
  br i1 %43, label %.preheader, label %._crit_edge57, !llvm.loop !9

.lr.ph:                                           ; preds = %.preheader, %48
  %.03455 = phi i32 [ %49, %48 ], [ 0, %.preheader ]
  call void @llvm.lifetime.start.p0(i64 32, ptr nonnull %10) #6
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2Ev(ptr noundef nonnull align 8 dereferenceable(32) %10) #6
  %44 = 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) @_ZSt3cin, ptr noundef nonnull align 8 dereferenceable(32) %10)
          to label %45 unwind label %52

45:                                               ; preds = %.lr.ph
  %46 = call noundef nonnull align 8 dereferenceable(56) ptr @_ZNSt6vectorISt13unordered_setINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESt4hashIS6_ESt8equal_toIS6_ESaIS6_EESaISC_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %4, i64 noundef %indvars.iv) #6
  %47 = invoke { ptr, i8 } @_ZNSt13unordered_setINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESt4hashIS5_ESt8equal_toIS5_ESaIS5_EE6insertERKS5_(ptr noundef nonnull align 8 dereferenceable(56) %46, ptr noundef nonnull align 8 dereferenceable(32) %10)
          to label %48 unwind label %52

48:                                               ; preds = %45
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %10) #6
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %10) #6
  %49 = add nuw nsw i32 %.03455, 1
  %50 = load i32, ptr %2, align 4, !tbaa !5
  %51 = icmp slt i32 %49, %50
  br i1 %51, label %.lr.ph, label %._crit_edge.loopexit, !llvm.loop !12

52:                                               ; preds = %45, %.lr.ph
  %53 = landingpad { ptr, i32 }
          cleanup
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %10) #6
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %10) #6
  br label %115

54:                                               ; preds = %._crit_edge57
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %12) #6
  %55 = load i32, ptr %1, align 4, !tbaa !5
  %56 = icmp sgt i32 %55, 0
  br i1 %56, label %.lr.ph68, label %.._crit_edge69_crit_edge

.._crit_edge69_crit_edge:                         ; preds = %54
  %.pre84 = sext i32 %55 to i64
  br label %._crit_edge69

.loopexit.loopexit:                               ; preds = %83
  %.pre83 = sext i32 %84 to i64
  br label %.loopexit

.loopexit:                                        ; preds = %.loopexit.loopexit, %.lr.ph68
  %.pre-phi = phi i64 [ %.pre83, %.loopexit.loopexit ], [ %62, %.lr.ph68 ]
  %57 = phi i32 [ %84, %.loopexit.loopexit ], [ %61, %.lr.ph68 ]
  %58 = icmp slt i64 %indvars.iv.next81, %.pre-phi
  %indvars.iv.next76 = add nuw nsw i64 %indvars.iv75, 1
  br i1 %58, label %.lr.ph68, label %._crit_edge69, !llvm.loop !13

._crit_edge69:                                    ; preds = %.loopexit, %.._crit_edge69_crit_edge
  %.pre-phi85 = phi i64 [ %.pre84, %.._crit_edge69_crit_edge ], [ %.pre-phi, %.loopexit ]
  call void @llvm.lifetime.start.p0(i64 24, ptr nonnull %16) #6
  call void @llvm.lifetime.start.p0(i64 1, ptr nonnull %17) #6
  call void @_ZNSaImEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %17) #6
  invoke void @_ZNSt6vectorImSaImEEC2EmRKS0_(ptr noundef nonnull align 8 dereferenceable(24) %16, i64 noundef %.pre-phi85, ptr noundef nonnull align 1 dereferenceable(1) %17)
          to label %87 unwind label %104

59:                                               ; preds = %._crit_edge57
  %60 = landingpad { ptr, i32 }
          cleanup
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %12) #6
  br label %114

.lr.ph68:                                         ; preds = %54, %.loopexit
  %61 = phi i32 [ %57, %.loopexit ], [ %55, %54 ]
  %indvars.iv80 = phi i64 [ %indvars.iv.next81, %.loopexit ], [ 0, %54 ]
  %indvars.iv75 = phi i64 [ %indvars.iv.next76, %.loopexit ], [ 1, %54 ]
  %indvars.iv.next81 = add nuw nsw i64 %indvars.iv80, 1
  %62 = sext i32 %61 to i64
  %63 = icmp slt i64 %indvars.iv.next81, %62
  br i1 %63, label %.lr.ph65, label %.loopexit

.lr.ph65:                                         ; preds = %.lr.ph68, %83
  %indvars.iv77 = phi i64 [ %indvars.iv.next78, %83 ], [ %indvars.iv75, %.lr.ph68 ]
  %64 = call noundef nonnull align 8 dereferenceable(56) ptr @_ZNSt6vectorISt13unordered_setINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESt4hashIS6_ESt8equal_toIS6_ESaIS6_EESaISC_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %4, i64 noundef %indvars.iv77) #6
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %13) #6
  %65 = call ptr @_ZNSt13unordered_setINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESt4hashIS5_ESt8equal_toIS5_ESaIS5_EE5beginEv(ptr noundef nonnull align 8 dereferenceable(56) %64) #6
  store ptr %65, ptr %13, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %14) #6
  %66 = call ptr @_ZNSt13unordered_setINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESt4hashIS5_ESt8equal_toIS5_ESaIS5_EE3endEv(ptr noundef nonnull align 8 dereferenceable(56) %64) #6
  store ptr %66, ptr %14, align 8
  %67 = call noundef zeroext i1 @_ZNSt8__detailneERKNS_19_Node_iterator_baseINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEELb1EEES9_(ptr noundef nonnull align 8 dereferenceable(8) %13, ptr noundef nonnull align 8 dereferenceable(8) %14) #6
  br i1 %67, label %.lr.ph60, label %._crit_edge61

._crit_edge61:                                    ; preds = %73, %.lr.ph65
  %.037.lcssa = phi i32 [ 0, %.lr.ph65 ], [ %spec.select, %73 ]
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %14) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %13) #6
  %68 = load i32, ptr %3, align 4, !tbaa !5
  %69 = icmp sgt i32 %.037.lcssa, %68
  br i1 %69, label %79, label %83

.lr.ph60:                                         ; preds = %.lr.ph65, %73
  %.03758 = phi i32 [ %spec.select, %73 ], [ 0, %.lr.ph65 ]
  %70 = call noundef nonnull align 8 dereferenceable(32) ptr @_ZNKSt8__detail14_Node_iteratorINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEELb1ELb1EEdeEv(ptr noundef nonnull align 8 dereferenceable(8) %13) #6
  %71 = call noundef nonnull align 8 dereferenceable(56) ptr @_ZNSt6vectorISt13unordered_setINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESt4hashIS6_ESt8equal_toIS6_ESaIS6_EESaISC_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %4, i64 noundef %indvars.iv80) #6
  %72 = invoke noundef i64 @_ZNKSt13unordered_setINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESt4hashIS5_ESt8equal_toIS5_ESaIS5_EE5countERKS5_(ptr noundef nonnull align 8 dereferenceable(56) %71, ptr noundef nonnull align 8 dereferenceable(32) %70)
          to label %73 unwind label %77

73:                                               ; preds = %.lr.ph60
  %.not = icmp ne i64 %72, 0
  %74 = zext i1 %.not to i32
  %spec.select = add nuw nsw i32 %.03758, %74
  %75 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt8__detail14_Node_iteratorINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEELb1ELb1EEppEv(ptr noundef nonnull align 8 dereferenceable(8) %13) #6
  %76 = call noundef zeroext i1 @_ZNSt8__detailneERKNS_19_Node_iterator_baseINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEELb1EEES9_(ptr noundef nonnull align 8 dereferenceable(8) %13, ptr noundef nonnull align 8 dereferenceable(8) %14) #6
  br i1 %76, label %.lr.ph60, label %._crit_edge61

77:                                               ; preds = %.lr.ph60
  %78 = landingpad { ptr, i32 }
          cleanup
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %14) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %13) #6
  br label %113

79:                                               ; preds = %._crit_edge61
  call void @llvm.lifetime.start.p0(i64 32, ptr nonnull %15) #6
  invoke void @_ZN5boost8add_edgeINS_14adjacency_listINS_4vecSES2_NS_11undirectedSENS_11no_propertyES4_S4_NS_5listSEEENS_6detail12adj_list_genIS6_S2_S2_S3_S4_S4_S4_S5_E6configENS_23undirected_graph_helperISA_EEEESt4pairINT0_15edge_descriptorEbENSE_17vertex_descriptorESH_RNS_17vec_adj_list_implIT_SE_T1_EE(ptr dead_on_unwind nonnull writable sret(%"struct.std::pair.19") align 8 %15, i64 noundef %indvars.iv80, i64 noundef %indvars.iv77, ptr noundef nonnull align 8 dereferenceable(48) %11)
          to label %80 unwind label %81

80:                                               ; preds = %79
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %15) #6
  br label %83

81:                                               ; preds = %79
  %82 = landingpad { ptr, i32 }
          cleanup
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %15) #6
  br label %113

83:                                               ; preds = %80, %._crit_edge61
  %indvars.iv.next78 = add nuw nsw i64 %indvars.iv77, 1
  %84 = load i32, ptr %1, align 4, !tbaa !5
  %85 = trunc nuw i64 %indvars.iv.next78 to i32
  %86 = icmp sgt i32 %84, %85
  br i1 %86, label %.lr.ph65, label %.loopexit.loopexit, !llvm.loop !14

87:                                               ; preds = %._crit_edge69
  call void @_ZNSt15__new_allocatorImED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %17) #6
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %17) #6
  %88 = call ptr @_ZNSt6vectorImSaImEE5beginEv(ptr noundef nonnull align 8 dereferenceable(24) %16) #6
  invoke void @_ZN5boost3getINS_6detail12adj_list_genINS_14adjacency_listINS_4vecSES4_NS_11undirectedSENS_11no_propertyES6_S6_NS_5listSEEES4_S4_S5_S6_S6_S6_S7_E6configENS_23undirected_graph_helperISA_EENS_14vertex_index_tEEENS_12property_mapINT_10graph_typeET1_vE4typeESH_RNS_15adj_list_helperISF_T0_EE(i32 noundef 0, ptr noundef nonnull align 1 dereferenceable(1) %11)
          to label %89 unwind label %106

89:                                               ; preds = %87
  %90 = invoke ptr @_ZN5boost26make_iterator_property_mapIN9__gnu_cxx17__normal_iteratorIPmSt6vectorImSaImEEEENS_26vec_adj_list_vertex_id_mapINS_11no_propertyEmEEEENS_21iterator_property_mapIT_T0_NSt15iterator_traitsISC_E10value_typeENSF_9referenceEEESC_SD_(ptr %88)
          to label %91 unwind label %106

91:                                               ; preds = %89
  invoke void @_ZN5boost36edmonds_maximum_cardinality_matchingINS_14adjacency_listINS_4vecSES2_NS_11undirectedSENS_11no_propertyES4_S4_NS_5listSEEENS_21iterator_property_mapIN9__gnu_cxx17__normal_iteratorIPmSt6vectorImSaImEEEENS_26vec_adj_list_vertex_id_mapIS4_mEEmRmEEEEvRKT_T0_(ptr noundef nonnull align 8 dereferenceable(56) %11, ptr %90)
          to label %92 unwind label %106

92:                                               ; preds = %91
  %93 = call ptr @_ZNSt6vectorImSaImEE5beginEv(ptr noundef nonnull align 8 dereferenceable(24) %16) #6
  invoke void @_ZN5boost3getINS_6detail12adj_list_genINS_14adjacency_listINS_4vecSES4_NS_11undirectedSENS_11no_propertyES6_S6_NS_5listSEEES4_S4_S5_S6_S6_S6_S7_E6configENS_23undirected_graph_helperISA_EENS_14vertex_index_tEEENS_12property_mapINT_10graph_typeET1_vE4typeESH_RNS_15adj_list_helperISF_T0_EE(i32 noundef 0, ptr noundef nonnull align 1 dereferenceable(1) %11)
          to label %94 unwind label %108

94:                                               ; preds = %92
  %95 = invoke ptr @_ZN5boost26make_iterator_property_mapIN9__gnu_cxx17__normal_iteratorIPmSt6vectorImSaImEEEENS_26vec_adj_list_vertex_id_mapINS_11no_propertyEmEEEENS_21iterator_property_mapIT_T0_NSt15iterator_traitsISC_E10value_typeENSF_9referenceEEESC_SD_(ptr %93)
          to label %96 unwind label %108

96:                                               ; preds = %94
  %97 = invoke noundef i64 @_ZN5boost13matching_sizeINS_14adjacency_listINS_4vecSES2_NS_11undirectedSENS_11no_propertyES4_S4_NS_5listSEEENS_21iterator_property_mapIN9__gnu_cxx17__normal_iteratorIPmSt6vectorImSaImEEEENS_26vec_adj_list_vertex_id_mapIS4_mEEmRmEEEENS_12graph_traitsIT_E18vertices_size_typeERKSK_T0_(ptr noundef nonnull align 8 dereferenceable(56) %11, ptr %95)
          to label %.invoke unwind label %108

.invoke:                                          ; preds = %96
  %98 = trunc i64 %97 to i32
  %99 = load i32, ptr %1, align 4, !tbaa !5
  %100 = sdiv i32 %99, 2
  %101 = icmp eq i32 %100, %98
  %102 = select i1 %101, ptr @.str, ptr @.str.5
  %103 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, ptr noundef nonnull %102)
          to label %110 unwind label %108

104:                                              ; preds = %._crit_edge69
  %105 = landingpad { ptr, i32 }
          cleanup
  call void @_ZNSt15__new_allocatorImED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %17) #6
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %17) #6
  br label %112

106:                                              ; preds = %91, %89, %87
  %107 = landingpad { ptr, i32 }
          cleanup
  br label %111

108:                                              ; preds = %.invoke, %96, %94, %92
  %109 = landingpad { ptr, i32 }
          cleanup
  br label %111

110:                                              ; preds = %.invoke
  call void @_ZNSt6vectorImSaImEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %16) #6
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %16) #6
  call void @_ZN5boost14adjacency_listINS_4vecSES1_NS_11undirectedSENS_11no_propertyES3_S3_NS_5listSEED2Ev(ptr noundef nonnull align 8 dereferenceable(56) %11) #6
  call void @llvm.lifetime.end.p0(i64 56, ptr nonnull %11) #6
  call void @_ZNSt6vectorISt13unordered_setINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESt4hashIS6_ESt8equal_toIS6_ESaIS6_EESaISC_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %4) #6
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %4) #6
  call void @llvm.lifetime.end.p0(i64 4, 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 void

111:                                              ; preds = %108, %106
  %.pn40 = phi { ptr, i32 } [ %109, %108 ], [ %107, %106 ]
  call void @_ZNSt6vectorImSaImEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %16) #6
  br label %112

112:                                              ; preds = %111, %104
  %.pn40.pn = phi { ptr, i32 } [ %.pn40, %111 ], [ %105, %104 ]
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %16) #6
  br label %113

113:                                              ; preds = %77, %81, %112
  %.pn43.pn = phi { ptr, i32 } [ %.pn40.pn, %112 ], [ %78, %77 ], [ %82, %81 ]
  call void @_ZN5boost14adjacency_listINS_4vecSES1_NS_11undirectedSENS_11no_propertyES3_S3_NS_5listSEED2Ev(ptr noundef nonnull align 8 dereferenceable(56) %11) #6
  br label %114

114:                                              ; preds = %113, %59
  %.pn43.pn.pn = phi { ptr, i32 } [ %.pn43.pn, %113 ], [ %60, %59 ]
  call void @llvm.lifetime.end.p0(i64 56, ptr nonnull %11) #6
  br label %115

115:                                              ; preds = %114, %52
  %.pn47 = phi { ptr, i32 } [ %53, %52 ], [ %.pn43.pn.pn, %114 ]
  call void @_ZNSt6vectorISt13unordered_setINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESt4hashIS6_ESt8equal_toIS6_ESaIS6_EESaISC_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %4) #6
  br label %116

116:                                              ; preds = %115, %39
  %.pn47.pn = phi { ptr, i32 } [ %.pn47, %115 ], [ %.pn, %39 ]
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %4) #6
  call void @llvm.lifetime.end.p0(i64 4, 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 } %.pn47.pn
}

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

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 #2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSaINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEEC2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #3 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt13unordered_setINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESt4hashIS5_ESt8equal_toIS5_ESaIS5_EEC2EmRKS7_RKS9_RKSA_(ptr noundef nonnull align 8 dereferenceable(56), i64 noundef, ptr noundef nonnull align 1 dereferenceable(1), ptr noundef nonnull align 1 dereferenceable(1), ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSaISt13unordered_setINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESt4hashIS5_ESt8equal_toIS5_ESaIS5_EEEC2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #3 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorISt13unordered_setINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESt4hashIS6_ESt8equal_toIS6_ESaIS6_EESaISC_EEC2EmRKSC_RKSD_(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef, ptr noundef nonnull align 8 dereferenceable(56), ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #0 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: inlinehint mustprogress nounwind uwtable
declare dso_local void @_ZNSt13unordered_setINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESt4hashIS5_ESt8equal_toIS5_ESaIS5_EED2Ev(ptr noundef nonnull align 8 dereferenceable(56)) unnamed_addr #4 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt15__new_allocatorINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEED2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #3 align 2

; Function Attrs: mustprogress nounwind uwtable
declare void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2Ev(ptr noundef nonnull align 8 dereferenceable(32)) unnamed_addr #3 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 #2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(56) ptr @_ZNSt6vectorISt13unordered_setINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESt4hashIS6_ESt8equal_toIS6_ESaIS6_EESaISC_EEixEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) local_unnamed_addr #3 align 2

; Function Attrs: mustprogress uwtable
declare dso_local { ptr, i8 } @_ZNSt13unordered_setINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESt4hashIS5_ESt8equal_toIS5_ESaIS5_EE6insertERKS5_(ptr noundef nonnull align 8 dereferenceable(56), ptr noundef nonnull align 8 dereferenceable(32)) local_unnamed_addr #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32)) unnamed_addr #3 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZN5boost14adjacency_listINS_4vecSES1_NS_11undirectedSENS_11no_propertyES3_S3_NS_5listSEEC2EmRKS3_(ptr noundef nonnull align 8 dereferenceable(56), i64 noundef, ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt13unordered_setINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESt4hashIS5_ESt8equal_toIS5_ESaIS5_EE5beginEv(ptr noundef nonnull align 8 dereferenceable(56)) local_unnamed_addr #3 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt13unordered_setINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESt4hashIS5_ESt8equal_toIS5_ESaIS5_EE3endEv(ptr noundef nonnull align 8 dereferenceable(56)) local_unnamed_addr #3 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_ZNSt8__detailneERKNS_19_Node_iterator_baseINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEELb1EEES9_(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #3

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(32) ptr @_ZNKSt8__detail14_Node_iteratorINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEELb1ELb1EEdeEv(ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #3 align 2

; Function Attrs: mustprogress uwtable
declare dso_local noundef i64 @_ZNKSt13unordered_setINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESt4hashIS5_ESt8equal_toIS5_ESaIS5_EE5countERKS5_(ptr noundef nonnull align 8 dereferenceable(56), ptr noundef nonnull align 8 dereferenceable(32)) local_unnamed_addr #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt8__detail14_Node_iteratorINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEELb1ELb1EEppEv(ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #3 align 2

; Function Attrs: inlinehint mustprogress uwtable
declare dso_local void @_ZN5boost8add_edgeINS_14adjacency_listINS_4vecSES2_NS_11undirectedSENS_11no_propertyES4_S4_NS_5listSEEENS_6detail12adj_list_genIS6_S2_S2_S3_S4_S4_S4_S5_E6configENS_23undirected_graph_helperISA_EEEESt4pairINT0_15edge_descriptorEbENSE_17vertex_descriptorESH_RNS_17vec_adj_list_implIT_SE_T1_EE(ptr dead_on_unwind noalias writable sret(%"struct.std::pair.19") align 8, i64 noundef, i64 noundef, ptr noundef nonnull align 8 dereferenceable(48)) local_unnamed_addr #5

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSaImEC2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #3 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorImSaImEEC2EmRKS0_(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef, ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #0 align 2

; Function Attrs: inlinehint mustprogress uwtable
declare dso_local void @_ZN5boost36edmonds_maximum_cardinality_matchingINS_14adjacency_listINS_4vecSES2_NS_11undirectedSENS_11no_propertyES4_S4_NS_5listSEEENS_21iterator_property_mapIN9__gnu_cxx17__normal_iteratorIPmSt6vectorImSaImEEEENS_26vec_adj_list_vertex_id_mapIS4_mEEmRmEEEEvRKT_T0_(ptr noundef nonnull align 8 dereferenceable(56), ptr) local_unnamed_addr #5

; Function Attrs: inlinehint mustprogress uwtable
declare dso_local ptr @_ZN5boost26make_iterator_property_mapIN9__gnu_cxx17__normal_iteratorIPmSt6vectorImSaImEEEENS_26vec_adj_list_vertex_id_mapINS_11no_propertyEmEEEENS_21iterator_property_mapIT_T0_NSt15iterator_traitsISC_E10value_typeENSF_9referenceEEESC_SD_(ptr) local_unnamed_addr #5

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt6vectorImSaImEE5beginEv(ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #3 align 2

; Function Attrs: inlinehint mustprogress uwtable
declare dso_local void @_ZN5boost3getINS_6detail12adj_list_genINS_14adjacency_listINS_4vecSES4_NS_11undirectedSENS_11no_propertyES6_S6_NS_5listSEEES4_S4_S5_S6_S6_S6_S7_E6configENS_23undirected_graph_helperISA_EENS_14vertex_index_tEEENS_12property_mapINT_10graph_typeET1_vE4typeESH_RNS_15adj_list_helperISF_T0_EE(i32 noundef, ptr noundef nonnull align 1 dereferenceable(1)) local_unnamed_addr #5

; Function Attrs: inlinehint mustprogress uwtable
declare dso_local noundef i64 @_ZN5boost13matching_sizeINS_14adjacency_listINS_4vecSES2_NS_11undirectedSENS_11no_propertyES4_S4_NS_5listSEEENS_21iterator_property_mapIN9__gnu_cxx17__normal_iteratorIPmSt6vectorImSaImEEEENS_26vec_adj_list_vertex_id_mapIS4_mEEmRmEEEENS_12graph_traitsIT_E18vertices_size_typeERKSK_T0_(ptr noundef nonnull align 8 dereferenceable(56), ptr) local_unnamed_addr #5

; 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

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorImSaImEED2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #3 align 2

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local void @_ZN5boost14adjacency_listINS_4vecSES1_NS_11undirectedSENS_11no_propertyES3_S3_NS_5listSEED2Ev(ptr noundef nonnull align 8 dereferenceable(56)) unnamed_addr #4 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorISt13unordered_setINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESt4hashIS6_ESt8equal_toIS6_ESaIS6_EESaISC_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #3 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt15__new_allocatorISt13unordered_setINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESt4hashIS6_ESt8equal_toIS6_ESaIS6_EEED2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #3 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt15__new_allocatorImED2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #3 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 = { "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 nounwind uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #4 = { inlinehint mustprogress nounwind uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #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 = distinct !{!9, !10, !11}
!10 = !{!"llvm.loop.mustprogress"}
!11 = !{!"llvm.loop.unswitch.partial.disable"}
!12 = distinct !{!12, !10}
!13 = distinct !{!13, !10}
!14 = distinct !{!14, !10}


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