; LLVM IR from xirc/cp-algorithm :: uva/10199 (main)

; 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::vector" = type { %"struct.std::_Vector_base" }
%"struct.std::_Vector_base" = type { %"struct.std::_Vector_base<std::__cxx11::basic_string<char>, std::allocator<std::__cxx11::basic_string<char>>>::_Vector_impl" }
%"struct.std::_Vector_base<std::__cxx11::basic_string<char>, std::allocator<std::__cxx11::basic_string<char>>>::_Vector_impl" = type { %"struct.std::_Vector_base<std::__cxx11::basic_string<char>, std::allocator<std::__cxx11::basic_string<char>>>::_Vector_impl_data" }
%"struct.std::_Vector_base<std::__cxx11::basic_string<char>, std::allocator<std::__cxx11::basic_string<char>>>::_Vector_impl_data" = type { ptr, ptr, ptr }
%"class.std::map" = type { %"class.std::_Rb_tree" }
%"class.std::_Rb_tree" = type { %"struct.std::_Rb_tree<std::__cxx11::basic_string<char>, std::pair<const std::__cxx11::basic_string<char>, int>, std::_Select1st<std::pair<const std::__cxx11::basic_string<char>, int>>, std::less<std::__cxx11::basic_string<char>>>::_Rb_tree_impl" }
%"struct.std::_Rb_tree<std::__cxx11::basic_string<char>, std::pair<const std::__cxx11::basic_string<char>, int>, std::_Select1st<std::pair<const std::__cxx11::basic_string<char>, int>>, std::less<std::__cxx11::basic_string<char>>>::_Rb_tree_impl" = type { [8 x i8], %"struct.std::_Rb_tree_header" }
%"struct.std::_Rb_tree_header" = type { %"struct.std::_Rb_tree_node_base", i64 }
%"struct.std::_Rb_tree_node_base" = type { i32, ptr, ptr, ptr }
%"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.std::allocator.3" = type { i8 }
%class.ArticulationPoints = type { i32, i32, %"class.std::vector.6", i32, %"class.std::vector.11", %"class.std::vector.11", %"class.std::vector.11" }
%"class.std::vector.6" = type { %"struct.std::_Vector_base.7" }
%"struct.std::_Vector_base.7" = type { %"struct.std::_Vector_base<std::vector<ArticulationPoints::edge>, std::allocator<std::vector<ArticulationPoints::edge>>>::_Vector_impl" }
%"struct.std::_Vector_base<std::vector<ArticulationPoints::edge>, std::allocator<std::vector<ArticulationPoints::edge>>>::_Vector_impl" = type { %"struct.std::_Vector_base<std::vector<ArticulationPoints::edge>, std::allocator<std::vector<ArticulationPoints::edge>>>::_Vector_impl_data" }
%"struct.std::_Vector_base<std::vector<ArticulationPoints::edge>, std::allocator<std::vector<ArticulationPoints::edge>>>::_Vector_impl_data" = type { ptr, ptr, ptr }
%"class.std::vector.11" = type { %"struct.std::_Vector_base.12" }
%"struct.std::_Vector_base.12" = 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 }
%"class.__gnu_cxx::__normal_iterator.16" = type { ptr }

@_Z6citiesB5cxx11 = external dso_local global %"class.std::vector", align 8
@_Z10id_by_nameB5cxx11 = external dso_local global %"class.std::map", align 8
@_ZSt3cin = external global %"class.std::basic_istream", align 8
@_ZSt4cout = external global %"class.std::basic_ostream", align 8
@.str = external hidden unnamed_addr constant [1 x i8], align 1
@.str.3 = external hidden unnamed_addr constant [11 x i8], align 1
@.str.4 = external hidden unnamed_addr constant [3 x i8], align 1
@.str.5 = external hidden unnamed_addr constant [17 x i8], align 1

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESaIS5_EEC2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESaIS5_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #0 align 2

; Function Attrs: mustprogress norecurse uwtable
define dso_local noundef i32 @main() #1 personality ptr @__gxx_personality_v0 {
  %1 = alloca i32, align 4
  %2 = alloca i32, align 4
  %3 = alloca i32, align 4
  %4 = alloca i32, align 4
  %5 = alloca i32, align 4
  %6 = alloca %"class.std::__cxx11::basic_string", align 8
  %7 = alloca %"class.std::allocator.3", align 1
  %8 = alloca ptr, align 8
  %9 = alloca i32, align 4
  %10 = alloca i32, align 4
  %11 = alloca %"class.std::__cxx11::basic_string", align 8
  %12 = alloca %class.ArticulationPoints, align 8
  %13 = alloca i32, align 4
  %14 = alloca %"class.std::__cxx11::basic_string", align 8
  %15 = alloca %"class.std::__cxx11::basic_string", align 8
  %16 = alloca i32, align 4
  %17 = alloca i32, align 4
  %18 = alloca %"class.std::vector.11", align 8
  %19 = alloca %"class.std::vector", align 8
  %20 = alloca ptr, align 8
  %21 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %22 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %23 = alloca i32, align 4
  %24 = alloca %"class.__gnu_cxx::__normal_iterator.16", align 8
  %25 = alloca %"class.__gnu_cxx::__normal_iterator.16", align 8
  %26 = alloca i32, align 4
  store i32 0, ptr %1, align 4
  %27 = call noundef zeroext i1 @_ZNSt8ios_base15sync_with_stdioEb(i1 noundef zeroext false)
  %28 = load ptr, ptr @_ZSt3cin, align 8, !tbaa !5
  %29 = getelementptr i8, ptr %28, i64 -24
  %30 = load i64, ptr %29, align 8
  %31 = getelementptr inbounds i8, ptr @_ZSt3cin, i64 %30
  %32 = call noundef ptr @_ZNSt9basic_iosIcSt11char_traitsIcEE3tieEPSo(ptr noundef nonnull align 8 dereferenceable(264) %31, ptr noundef null)
  %33 = load ptr, ptr @_ZSt4cout, align 8, !tbaa !5
  %34 = getelementptr i8, ptr %33, i64 -24
  %35 = load i64, ptr %34, align 8
  %36 = getelementptr inbounds i8, ptr @_ZSt4cout, i64 %35
  %37 = call noundef ptr @_ZNSt9basic_iosIcSt11char_traitsIcEE3tieEPSo(ptr noundef nonnull align 8 dereferenceable(264) %36, ptr noundef null)
  call void @llvm.lifetime.start.p0(i64 4, ptr %2) #8
  store i32 1, ptr %2, align 4, !tbaa !8
  br label %38

38:                                               ; preds = %213, %0
  br i1 true, label %40, label %39

39:                                               ; preds = %38
  store i32 2, ptr %3, align 4
  br label %220

40:                                               ; preds = %38
  call void @llvm.lifetime.start.p0(i64 4, ptr %4) #8
  call void @llvm.lifetime.start.p0(i64 4, ptr %5) #8
  %41 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 4 dereferenceable(4) %4)
  %42 = load i32, ptr %4, align 4, !tbaa !8
  %43 = icmp eq i32 %42, 0
  br i1 %43, label %44, label %45

44:                                               ; preds = %40
  store i32 2, ptr %3, align 4
  br label %210

45:                                               ; preds = %40
  %46 = load i32, ptr %4, align 4, !tbaa !8
  %47 = sext i32 %46 to i64
  call void @llvm.lifetime.start.p0(i64 32, ptr %6) #8
  call void @llvm.lifetime.start.p0(i64 1, ptr %7) #8
  call void @_ZNSaIcEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %7) #8
  invoke void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2IS3_EEPKcRKS3_(ptr noundef nonnull align 8 dereferenceable(32) %6, ptr noundef @.str, ptr noundef nonnull align 1 dereferenceable(1) %7)
          to label %48 unwind label %55

48:                                               ; preds = %45
  invoke void @_ZNSt6vectorINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESaIS5_EE6assignEmRKS5_(ptr noundef nonnull align 8 dereferenceable(24) @_Z6citiesB5cxx11, i64 noundef %47, ptr noundef nonnull align 8 dereferenceable(32) %6)
          to label %49 unwind label %59

49:                                               ; preds = %48
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %6) #8
  call void @_ZNSt15__new_allocatorIcED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %7) #8
  call void @llvm.lifetime.end.p0(i64 1, ptr %7) #8
  call void @llvm.lifetime.end.p0(i64 32, ptr %6) #8
  call void @_ZNSt3mapINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEiSt4lessIS5_ESaISt4pairIKS5_iEEE5clearEv(ptr noundef nonnull align 8 dereferenceable(48) @_Z10id_by_nameB5cxx11) #8
  call void @llvm.lifetime.start.p0(i64 4, ptr %10) #8
  store i32 0, ptr %10, align 4, !tbaa !8
  br label %50

50:                                               ; preds = %75, %49
  %51 = load i32, ptr %10, align 4, !tbaa !8
  %52 = load i32, ptr %4, align 4, !tbaa !8
  %53 = icmp slt i32 %51, %52
  br i1 %53, label %64, label %54

54:                                               ; preds = %50
  store i32 5, ptr %3, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %10) #8
  br label %82

55:                                               ; preds = %45
  %56 = landingpad { ptr, i32 }
          cleanup
  %57 = extractvalue { ptr, i32 } %56, 0
  store ptr %57, ptr %8, align 8
  %58 = extractvalue { ptr, i32 } %56, 1
  store i32 %58, ptr %9, align 4
  br label %63

59:                                               ; preds = %48
  %60 = landingpad { ptr, i32 }
          cleanup
  %61 = extractvalue { ptr, i32 } %60, 0
  store ptr %61, ptr %8, align 8
  %62 = extractvalue { ptr, i32 } %60, 1
  store i32 %62, ptr %9, align 4
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %6) #8
  br label %63

63:                                               ; preds = %59, %55
  call void @_ZNSt15__new_allocatorIcED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %7) #8
  call void @llvm.lifetime.end.p0(i64 1, ptr %7) #8
  call void @llvm.lifetime.end.p0(i64 32, ptr %6) #8
  br label %219

64:                                               ; preds = %50
  call void @llvm.lifetime.start.p0(i64 32, ptr %11) #8
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2Ev(ptr noundef nonnull align 8 dereferenceable(32) %11) #8
  %65 = 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) %11)
          to label %66 unwind label %78

66:                                               ; preds = %64
  %67 = load i32, ptr %10, align 4, !tbaa !8
  %68 = sext i32 %67 to i64
  %69 = call noundef nonnull align 8 dereferenceable(32) ptr @_ZNSt6vectorINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESaIS5_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) @_Z6citiesB5cxx11, i64 noundef %68) #8
  %70 = invoke noundef nonnull align 8 dereferenceable(32) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEaSERKS4_(ptr noundef nonnull align 8 dereferenceable(32) %69, ptr noundef nonnull align 8 dereferenceable(32) %11)
          to label %71 unwind label %78

71:                                               ; preds = %66
  %72 = load i32, ptr %10, align 4, !tbaa !8
  %73 = invoke noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt3mapINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEiSt4lessIS5_ESaISt4pairIKS5_iEEEixERS9_(ptr noundef nonnull align 8 dereferenceable(48) @_Z10id_by_nameB5cxx11, ptr noundef nonnull align 8 dereferenceable(32) %11)
          to label %74 unwind label %78

74:                                               ; preds = %71
  store i32 %72, ptr %73, align 4, !tbaa !8
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %11) #8
  call void @llvm.lifetime.end.p0(i64 32, ptr %11) #8
  br label %75

75:                                               ; preds = %74
  %76 = load i32, ptr %10, align 4, !tbaa !8
  %77 = add nsw i32 %76, 1
  store i32 %77, ptr %10, align 4, !tbaa !8
  br label %50, !llvm.loop !11

78:                                               ; preds = %71, %66, %64
  %79 = landingpad { ptr, i32 }
          cleanup
  %80 = extractvalue { ptr, i32 } %79, 0
  store ptr %80, ptr %8, align 8
  %81 = extractvalue { ptr, i32 } %79, 1
  store i32 %81, ptr %9, align 4
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %11) #8
  call void @llvm.lifetime.end.p0(i64 32, ptr %11) #8
  call void @llvm.lifetime.end.p0(i64 4, ptr %10) #8
  br label %219

82:                                               ; preds = %54
  call void @llvm.lifetime.start.p0(i64 112, ptr %12) #8
  %83 = load i32, ptr %4, align 4, !tbaa !8
  call void @_ZN18ArticulationPointsC2Ei(ptr noundef nonnull align 8 dereferenceable(112) %12, i32 noundef %83)
  %84 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 4 dereferenceable(4) %5)
          to label %85 unwind label %91

85:                                               ; preds = %82
  call void @llvm.lifetime.start.p0(i64 4, ptr %13) #8
  store i32 0, ptr %13, align 4, !tbaa !8
  br label %86

86:                                               ; preds = %109, %85
  %87 = load i32, ptr %13, align 4, !tbaa !8
  %88 = load i32, ptr %5, align 4, !tbaa !8
  %89 = icmp slt i32 %87, %88
  br i1 %89, label %95, label %90

90:                                               ; preds = %86
  store i32 8, ptr %3, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %13) #8
  br label %126

91:                                               ; preds = %82
  %92 = landingpad { ptr, i32 }
          cleanup
  %93 = extractvalue { ptr, i32 } %92, 0
  store ptr %93, ptr %8, align 8
  %94 = extractvalue { ptr, i32 } %92, 1
  store i32 %94, ptr %9, align 4
  br label %218

95:                                               ; preds = %86
  call void @llvm.lifetime.start.p0(i64 32, ptr %14) #8
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2Ev(ptr noundef nonnull align 8 dereferenceable(32) %14) #8
  call void @llvm.lifetime.start.p0(i64 32, ptr %15) #8
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2Ev(ptr noundef nonnull align 8 dereferenceable(32) %15) #8
  %96 = 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) %14)
          to label %97 unwind label %112

97:                                               ; preds = %95
  %98 = 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) %96, ptr noundef nonnull align 8 dereferenceable(32) %15)
          to label %99 unwind label %112

99:                                               ; preds = %97
  call void @llvm.lifetime.start.p0(i64 4, ptr %16) #8
  %100 = invoke noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt3mapINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEiSt4lessIS5_ESaISt4pairIKS5_iEEEixERS9_(ptr noundef nonnull align 8 dereferenceable(48) @_Z10id_by_nameB5cxx11, ptr noundef nonnull align 8 dereferenceable(32) %14)
          to label %101 unwind label %116

101:                                              ; preds = %99
  %102 = load i32, ptr %100, align 4, !tbaa !8
  store i32 %102, ptr %16, align 4, !tbaa !8
  call void @llvm.lifetime.start.p0(i64 4, ptr %17) #8
  %103 = invoke noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt3mapINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEiSt4lessIS5_ESaISt4pairIKS5_iEEEixERS9_(ptr noundef nonnull align 8 dereferenceable(48) @_Z10id_by_nameB5cxx11, ptr noundef nonnull align 8 dereferenceable(32) %15)
          to label %104 unwind label %120

104:                                              ; preds = %101
  %105 = load i32, ptr %103, align 4, !tbaa !8
  store i32 %105, ptr %17, align 4, !tbaa !8
  %106 = load i32, ptr %16, align 4, !tbaa !8
  %107 = load i32, ptr %17, align 4, !tbaa !8
  invoke void @_ZN18ArticulationPoints8add_edgeEii(ptr noundef nonnull align 8 dereferenceable(112) %12, i32 noundef %106, i32 noundef %107)
          to label %108 unwind label %120

108:                                              ; preds = %104
  call void @llvm.lifetime.end.p0(i64 4, ptr %17) #8
  call void @llvm.lifetime.end.p0(i64 4, ptr %16) #8
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %15) #8
  call void @llvm.lifetime.end.p0(i64 32, ptr %15) #8
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %14) #8
  call void @llvm.lifetime.end.p0(i64 32, ptr %14) #8
  br label %109

109:                                              ; preds = %108
  %110 = load i32, ptr %13, align 4, !tbaa !8
  %111 = add nsw i32 %110, 1
  store i32 %111, ptr %13, align 4, !tbaa !8
  br label %86, !llvm.loop !13

112:                                              ; preds = %97, %95
  %113 = landingpad { ptr, i32 }
          cleanup
  %114 = extractvalue { ptr, i32 } %113, 0
  store ptr %114, ptr %8, align 8
  %115 = extractvalue { ptr, i32 } %113, 1
  store i32 %115, ptr %9, align 4
  br label %125

116:                                              ; preds = %99
  %117 = landingpad { ptr, i32 }
          cleanup
  %118 = extractvalue { ptr, i32 } %117, 0
  store ptr %118, ptr %8, align 8
  %119 = extractvalue { ptr, i32 } %117, 1
  store i32 %119, ptr %9, align 4
  br label %124

120:                                              ; preds = %104, %101
  %121 = landingpad { ptr, i32 }
          cleanup
  %122 = extractvalue { ptr, i32 } %121, 0
  store ptr %122, ptr %8, align 8
  %123 = extractvalue { ptr, i32 } %121, 1
  store i32 %123, ptr %9, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %17) #8
  br label %124

124:                                              ; preds = %120, %116
  call void @llvm.lifetime.end.p0(i64 4, ptr %16) #8
  br label %125

125:                                              ; preds = %124, %112
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %15) #8
  call void @llvm.lifetime.end.p0(i64 32, ptr %15) #8
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %14) #8
  call void @llvm.lifetime.end.p0(i64 32, ptr %14) #8
  call void @llvm.lifetime.end.p0(i64 4, ptr %13) #8
  br label %218

126:                                              ; preds = %90
  call void @llvm.lifetime.start.p0(i64 24, ptr %18) #8
  invoke void @_ZN18ArticulationPoints5solveEv(ptr dead_on_unwind writable sret(%"class.std::vector.11") align 8 %18, ptr noundef nonnull align 8 dereferenceable(112) %12)
          to label %127 unwind label %137

127:                                              ; preds = %126
  call void @llvm.lifetime.start.p0(i64 24, ptr %19) #8
  call void @llvm.memset.p0.i64(ptr align 8 %19, i8 0, i64 24, i1 false)
  call void @_ZNSt6vectorINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESaIS5_EEC2Ev(ptr noundef nonnull align 8 dereferenceable(24) %19) #8
  call void @llvm.lifetime.start.p0(i64 8, ptr %20) #8
  store ptr %18, ptr %20, align 8, !tbaa !14
  call void @llvm.lifetime.start.p0(i64 8, ptr %21) #8
  %128 = load ptr, ptr %20, align 8, !tbaa !14
  %129 = call ptr @_ZNSt6vectorIiSaIiEE5beginEv(ptr noundef nonnull align 8 dereferenceable(24) %128) #8
  %130 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %21, i32 0, i32 0
  store ptr %129, ptr %130, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr %22) #8
  %131 = load ptr, ptr %20, align 8, !tbaa !14
  %132 = call ptr @_ZNSt6vectorIiSaIiEE3endEv(ptr noundef nonnull align 8 dereferenceable(24) %131) #8
  %133 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %22, i32 0, i32 0
  store ptr %132, ptr %133, align 8
  br label %134

134:                                              ; preds = %148, %127
  %135 = call noundef zeroext i1 @_ZN9__gnu_cxxneIPiSt6vectorIiSaIiEEEEbRKNS_17__normal_iteratorIT_T0_EESA_(ptr noundef nonnull align 8 dereferenceable(8) %21, ptr noundef nonnull align 8 dereferenceable(8) %22) #8
  br i1 %135, label %141, label %136

136:                                              ; preds = %134
  store i32 11, ptr %3, align 4
  call void @llvm.lifetime.end.p0(i64 8, ptr %22) #8
  call void @llvm.lifetime.end.p0(i64 8, ptr %21) #8
  call void @llvm.lifetime.end.p0(i64 8, ptr %20) #8
  br label %154

137:                                              ; preds = %126
  %138 = landingpad { ptr, i32 }
          cleanup
  %139 = extractvalue { ptr, i32 } %138, 0
  store ptr %139, ptr %8, align 8
  %140 = extractvalue { ptr, i32 } %138, 1
  store i32 %140, ptr %9, align 4
  br label %217

141:                                              ; preds = %134
  call void @llvm.lifetime.start.p0(i64 4, ptr %23) #8
  %142 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNK9__gnu_cxx17__normal_iteratorIPiSt6vectorIiSaIiEEEdeEv(ptr noundef nonnull align 8 dereferenceable(8) %21) #8
  %143 = load i32, ptr %142, align 4, !tbaa !8
  store i32 %143, ptr %23, align 4, !tbaa !8
  %144 = load i32, ptr %23, align 4, !tbaa !8
  %145 = sext i32 %144 to i64
  %146 = call noundef nonnull align 8 dereferenceable(32) ptr @_ZNSt6vectorINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESaIS5_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) @_Z6citiesB5cxx11, i64 noundef %145) #8
  invoke void @_ZNSt6vectorINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESaIS5_EE9push_backERKS5_(ptr noundef nonnull align 8 dereferenceable(24) %19, ptr noundef nonnull align 8 dereferenceable(32) %146)
          to label %147 unwind label %150

147:                                              ; preds = %141
  call void @llvm.lifetime.end.p0(i64 4, ptr %23) #8
  br label %148

148:                                              ; preds = %147
  %149 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZN9__gnu_cxx17__normal_iteratorIPiSt6vectorIiSaIiEEEppEv(ptr noundef nonnull align 8 dereferenceable(8) %21) #8
  br label %134

150:                                              ; preds = %141
  %151 = landingpad { ptr, i32 }
          cleanup
  %152 = extractvalue { ptr, i32 } %151, 0
  store ptr %152, ptr %8, align 8
  %153 = extractvalue { ptr, i32 } %151, 1
  store i32 %153, ptr %9, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %23) #8
  call void @llvm.lifetime.end.p0(i64 8, ptr %22) #8
  call void @llvm.lifetime.end.p0(i64 8, ptr %21) #8
  call void @llvm.lifetime.end.p0(i64 8, ptr %20) #8
  br label %216

154:                                              ; preds = %136
  %155 = call ptr @_ZNSt6vectorINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESaIS5_EE5beginEv(ptr noundef nonnull align 8 dereferenceable(24) %19) #8
  %156 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator.16", ptr %24, i32 0, i32 0
  store ptr %155, ptr %156, align 8
  %157 = call ptr @_ZNSt6vectorINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESaIS5_EE3endEv(ptr noundef nonnull align 8 dereferenceable(24) %19) #8
  %158 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator.16", ptr %25, i32 0, i32 0
  store ptr %157, ptr %158, align 8
  %159 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator.16", ptr %24, i32 0, i32 0
  %160 = load ptr, ptr %159, align 8
  %161 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator.16", ptr %25, i32 0, i32 0
  %162 = load ptr, ptr %161, align 8
  invoke void @_ZSt4sortIN9__gnu_cxx17__normal_iteratorIPNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESt6vectorIS7_SaIS7_EEEEEvT_SD_(ptr %160, ptr %162)
          to label %163 unwind label %169

163:                                              ; preds = %154
  %164 = load i32, ptr %2, align 4, !tbaa !8
  %165 = icmp sgt i32 %164, 1
  br i1 %165, label %166, label %173

166:                                              ; preds = %163
  %167 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, ptr noundef @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
          to label %168 unwind label %169

168:                                              ; preds = %166
  br label %173

169:                                              ; preds = %185, %183, %180, %178, %175, %173, %166, %154
  %170 = landingpad { ptr, i32 }
          cleanup
  %171 = extractvalue { ptr, i32 } %170, 0
  store ptr %171, ptr %8, align 8
  %172 = extractvalue { ptr, i32 } %170, 1
  store i32 %172, ptr %9, align 4
  br label %216

173:                                              ; preds = %168, %163
  %174 = 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 %175 unwind label %169

175:                                              ; preds = %173
  %176 = load i32, ptr %2, align 4, !tbaa !8
  %177 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8) %174, i32 noundef %176)
          to label %178 unwind label %169

178:                                              ; preds = %175
  %179 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) %177, ptr noundef @.str.4)
          to label %180 unwind label %169

180:                                              ; preds = %178
  %181 = call noundef i64 @_ZNKSt6vectorINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESaIS5_EE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24) %19) #8
  %182 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEm(ptr noundef nonnull align 8 dereferenceable(8) %179, i64 noundef %181)
          to label %183 unwind label %169

183:                                              ; preds = %180
  %184 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) %182, ptr noundef @.str.5)
          to label %185 unwind label %169

185:                                              ; preds = %183
  %186 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) %184, ptr noundef @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
          to label %187 unwind label %169

187:                                              ; preds = %185
  call void @llvm.lifetime.start.p0(i64 4, ptr %26) #8
  store i32 0, ptr %26, align 4, !tbaa !8
  br label %188

188:                                              ; preds = %202, %187
  %189 = load i32, ptr %26, align 4, !tbaa !8
  %190 = sext i32 %189 to i64
  %191 = call noundef i64 @_ZNKSt6vectorINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESaIS5_EE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24) %19) #8
  %192 = icmp ult i64 %190, %191
  br i1 %192, label %194, label %193

193:                                              ; preds = %188
  store i32 13, ptr %3, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %26) #8
  br label %209

194:                                              ; preds = %188
  %195 = load i32, ptr %26, align 4, !tbaa !8
  %196 = sext i32 %195 to i64
  %197 = call noundef nonnull align 8 dereferenceable(32) ptr @_ZNSt6vectorINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESaIS5_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %19, i64 noundef %196) #8
  %198 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsIcSt11char_traitsIcESaIcEERSt13basic_ostreamIT_T0_ES7_RKNSt7__cxx1112basic_stringIS4_S5_T1_EE(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, ptr noundef nonnull align 8 dereferenceable(32) %197)
          to label %199 unwind label %205

199:                                              ; preds = %194
  %200 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) %198, ptr noundef @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
          to label %201 unwind label %205

201:                                              ; preds = %199
  br label %202

202:                                              ; preds = %201
  %203 = load i32, ptr %26, align 4, !tbaa !8
  %204 = add nsw i32 %203, 1
  store i32 %204, ptr %26, align 4, !tbaa !8
  br label %188, !llvm.loop !16

205:                                              ; preds = %199, %194
  %206 = landingpad { ptr, i32 }
          cleanup
  %207 = extractvalue { ptr, i32 } %206, 0
  store ptr %207, ptr %8, align 8
  %208 = extractvalue { ptr, i32 } %206, 1
  store i32 %208, ptr %9, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %26) #8
  br label %216

209:                                              ; preds = %193
  call void @_ZNSt6vectorINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESaIS5_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %19) #8
  call void @llvm.lifetime.end.p0(i64 24, ptr %19) #8
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %18) #8
  call void @llvm.lifetime.end.p0(i64 24, ptr %18) #8
  call void @_ZN18ArticulationPointsD2Ev(ptr noundef nonnull align 8 dereferenceable(112) %12) #8
  call void @llvm.lifetime.end.p0(i64 112, ptr %12) #8
  store i32 0, ptr %3, align 4
  br label %210

210:                                              ; preds = %209, %44
  call void @llvm.lifetime.end.p0(i64 4, ptr %5) #8
  call void @llvm.lifetime.end.p0(i64 4, ptr %4) #8
  %211 = load i32, ptr %3, align 4
  switch i32 %211, label %220 [
    i32 0, label %212
  ]

212:                                              ; preds = %210
  br label %213

213:                                              ; preds = %212
  %214 = load i32, ptr %2, align 4, !tbaa !8
  %215 = add nsw i32 %214, 1
  store i32 %215, ptr %2, align 4, !tbaa !8
  br label %38, !llvm.loop !17

216:                                              ; preds = %205, %169, %150
  call void @_ZNSt6vectorINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESaIS5_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %19) #8
  call void @llvm.lifetime.end.p0(i64 24, ptr %19) #8
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %18) #8
  br label %217

217:                                              ; preds = %216, %137
  call void @llvm.lifetime.end.p0(i64 24, ptr %18) #8
  br label %218

218:                                              ; preds = %217, %125, %91
  call void @_ZN18ArticulationPointsD2Ev(ptr noundef nonnull align 8 dereferenceable(112) %12) #8
  call void @llvm.lifetime.end.p0(i64 112, ptr %12) #8
  br label %219

219:                                              ; preds = %218, %78, %63
  call void @llvm.lifetime.end.p0(i64 4, ptr %5) #8
  call void @llvm.lifetime.end.p0(i64 4, ptr %4) #8
  call void @llvm.lifetime.end.p0(i64 4, ptr %2) #8
  br label %222

220:                                              ; preds = %210, %39
  call void @llvm.lifetime.end.p0(i64 4, ptr %2) #8
  br label %221

221:                                              ; preds = %220
  ret i32 0

222:                                              ; preds = %219
  %223 = load ptr, ptr %8, align 8
  %224 = load i32, ptr %9, align 4
  %225 = insertvalue { ptr, i32 } poison, ptr %223, 0
  %226 = insertvalue { ptr, i32 } %225, i32 %224, 1
  resume { ptr, i32 } %226
}

declare noundef zeroext i1 @_ZNSt8ios_base15sync_with_stdioEb(i1 noundef zeroext) #2

; Function Attrs: mustprogress nounwind uwtable
declare noundef ptr @_ZNSt9basic_iosIcSt11char_traitsIcEE3tieEPSo(ptr noundef nonnull align 8 dereferenceable(264), ptr noundef) #0 align 2

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

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

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESaIS5_EE6assignEmRKS5_(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef, ptr noundef nonnull align 8 dereferenceable(32)) #4 align 2

; Function Attrs: mustprogress nounwind uwtable
declare void @_ZNSaIcEC2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #0 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2IS3_EEPKcRKS3_(ptr noundef nonnull align 8 dereferenceable(32), ptr noundef, ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #4 align 2

declare i32 @__gxx_personality_v0(...)

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

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt3mapINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEiSt4lessIS5_ESaISt4pairIKS5_iEEE5clearEv(ptr noundef nonnull align 8 dereferenceable(48)) #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2Ev(ptr noundef nonnull align 8 dereferenceable(32)) unnamed_addr #0 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(32) ptr @_ZNSt6vectorINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESaIS5_EEixEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) #0 align 2

; Function Attrs: mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(32) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEaSERKS4_(ptr noundef nonnull align 8 dereferenceable(32), ptr noundef nonnull align 8 dereferenceable(32)) #4 align 2

; Function Attrs: mustprogress uwtable
declare dso_local noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt3mapINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEiSt4lessIS5_ESaISt4pairIKS5_iEEEixERS9_(ptr noundef nonnull align 8 dereferenceable(48), ptr noundef nonnull align 8 dereferenceable(32)) #4 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZN18ArticulationPointsC2Ei(ptr noundef nonnull align 8 dereferenceable(112), i32 noundef) unnamed_addr #4 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZN18ArticulationPoints8add_edgeEii(ptr noundef nonnull align 8 dereferenceable(112), i32 noundef, i32 noundef) #4 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZN18ArticulationPoints5solveEv(ptr dead_on_unwind noalias writable sret(%"class.std::vector.11") align 8, ptr noundef nonnull align 8 dereferenceable(112)) #4 align 2

; Function Attrs: nocallback nofree nounwind willreturn memory(argmem: write)
declare void @llvm.memset.p0.i64(ptr nocapture writeonly, i8, i64, i1 immarg) #5

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt6vectorIiSaIiEE5beginEv(ptr noundef nonnull align 8 dereferenceable(24)) #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt6vectorIiSaIiEE3endEv(ptr noundef nonnull align 8 dereferenceable(24)) #0 align 2

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_ZN9__gnu_cxxneIPiSt6vectorIiSaIiEEEEbRKNS_17__normal_iteratorIT_T0_EESA_(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef nonnull align 8 dereferenceable(8)) #6

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 4 dereferenceable(4) ptr @_ZNK9__gnu_cxx17__normal_iteratorIPiSt6vectorIiSaIiEEEdeEv(ptr noundef nonnull align 8 dereferenceable(8)) #0 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESaIS5_EE9push_backERKS5_(ptr noundef nonnull align 8 dereferenceable(24), ptr noundef nonnull align 8 dereferenceable(32)) #4 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZN9__gnu_cxx17__normal_iteratorIPiSt6vectorIiSaIiEEEppEv(ptr noundef nonnull align 8 dereferenceable(8)) #0 align 2

; Function Attrs: inlinehint mustprogress uwtable
declare dso_local void @_ZSt4sortIN9__gnu_cxx17__normal_iteratorIPNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESt6vectorIS7_SaIS7_EEEEEvT_SD_(ptr, ptr) #7

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt6vectorINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESaIS5_EE5beginEv(ptr noundef nonnull align 8 dereferenceable(24)) #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt6vectorINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESaIS5_EE3endEv(ptr noundef nonnull align 8 dereferenceable(24)) #0 align 2

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

; Function Attrs: inlinehint mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_(ptr noundef nonnull align 8 dereferenceable(8)) #7

; 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) #7

declare noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8), i32 noundef) #2

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

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef i64 @_ZNKSt6vectorINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESaIS5_EE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24)) #0 align 2

; Function Attrs: inlinehint mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsIcSt11char_traitsIcESaIcEERSt13basic_ostreamIT_T0_ES7_RKNSt7__cxx1112basic_stringIS4_S5_T1_EE(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef nonnull align 8 dereferenceable(32)) #7

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #0 align 2

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local void @_ZN18ArticulationPointsD2Ev(ptr noundef nonnull align 8 dereferenceable(112)) unnamed_addr #6 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt15__new_allocatorIcED2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #0 align 2

attributes #0 = { 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 #1 = { 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 #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 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #4 = { 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 #5 = { nocallback nofree nounwind willreturn memory(argmem: write) }
attributes #6 = { inlinehint mustprogress nounwind uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #7 = { 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 #8 = { 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 = !{!"vtable pointer", !7, i64 0}
!7 = !{!"Simple C++ TBAA"}
!8 = !{!9, !9, i64 0}
!9 = !{!"int", !10, i64 0}
!10 = !{!"omnipotent char", !7, i64 0}
!11 = distinct !{!11, !12}
!12 = !{!"llvm.loop.mustprogress"}
!13 = distinct !{!13, !12}
!14 = !{!15, !15, i64 0}
!15 = !{!"any pointer", !10, i64 0}
!16 = distinct !{!16, !12}
!17 = distinct !{!17, !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::vector" = type { %"struct.std::_Vector_base" }
%"struct.std::_Vector_base" = type { %"struct.std::_Vector_base<std::__cxx11::basic_string<char>, std::allocator<std::__cxx11::basic_string<char>>>::_Vector_impl" }
%"struct.std::_Vector_base<std::__cxx11::basic_string<char>, std::allocator<std::__cxx11::basic_string<char>>>::_Vector_impl" = type { %"struct.std::_Vector_base<std::__cxx11::basic_string<char>, std::allocator<std::__cxx11::basic_string<char>>>::_Vector_impl_data" }
%"struct.std::_Vector_base<std::__cxx11::basic_string<char>, std::allocator<std::__cxx11::basic_string<char>>>::_Vector_impl_data" = type { ptr, ptr, ptr }
%"class.std::map" = type { %"class.std::_Rb_tree" }
%"class.std::_Rb_tree" = type { %"struct.std::_Rb_tree<std::__cxx11::basic_string<char>, std::pair<const std::__cxx11::basic_string<char>, int>, std::_Select1st<std::pair<const std::__cxx11::basic_string<char>, int>>, std::less<std::__cxx11::basic_string<char>>>::_Rb_tree_impl" }
%"struct.std::_Rb_tree<std::__cxx11::basic_string<char>, std::pair<const std::__cxx11::basic_string<char>, int>, std::_Select1st<std::pair<const std::__cxx11::basic_string<char>, int>>, std::less<std::__cxx11::basic_string<char>>>::_Rb_tree_impl" = type { [8 x i8], %"struct.std::_Rb_tree_header" }
%"struct.std::_Rb_tree_header" = type { %"struct.std::_Rb_tree_node_base", i64 }
%"struct.std::_Rb_tree_node_base" = type { i32, ptr, ptr, ptr }
%"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.std::allocator.3" = type { i8 }
%class.ArticulationPoints = type { i32, i32, %"class.std::vector.6", i32, %"class.std::vector.11", %"class.std::vector.11", %"class.std::vector.11" }
%"class.std::vector.6" = type { %"struct.std::_Vector_base.7" }
%"struct.std::_Vector_base.7" = type { %"struct.std::_Vector_base<std::vector<ArticulationPoints::edge>, std::allocator<std::vector<ArticulationPoints::edge>>>::_Vector_impl" }
%"struct.std::_Vector_base<std::vector<ArticulationPoints::edge>, std::allocator<std::vector<ArticulationPoints::edge>>>::_Vector_impl" = type { %"struct.std::_Vector_base<std::vector<ArticulationPoints::edge>, std::allocator<std::vector<ArticulationPoints::edge>>>::_Vector_impl_data" }
%"struct.std::_Vector_base<std::vector<ArticulationPoints::edge>, std::allocator<std::vector<ArticulationPoints::edge>>>::_Vector_impl_data" = type { ptr, ptr, ptr }
%"class.std::vector.11" = type { %"struct.std::_Vector_base.12" }
%"struct.std::_Vector_base.12" = 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 }

@_Z6citiesB5cxx11 = external dso_local global %"class.std::vector", align 8
@_Z10id_by_nameB5cxx11 = external dso_local global %"class.std::map", align 8
@_ZSt3cin = external global %"class.std::basic_istream", align 8
@_ZSt4cout = external global %"class.std::basic_ostream", align 8
@.str = external hidden unnamed_addr constant [1 x i8], align 1
@.str.3 = external hidden unnamed_addr constant [11 x i8], align 1
@.str.4 = external hidden unnamed_addr constant [3 x i8], align 1
@.str.5 = external hidden unnamed_addr constant [17 x i8], align 1

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESaIS5_EEC2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESaIS5_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #0 align 2

; Function Attrs: mustprogress norecurse uwtable
define dso_local noundef i32 @main() local_unnamed_addr #1 personality ptr @__gxx_personality_v0 {
  %1 = alloca i32, align 4
  %2 = alloca i32, align 4
  %3 = alloca %"class.std::__cxx11::basic_string", align 8
  %4 = alloca %"class.std::allocator.3", align 1
  %5 = alloca %"class.std::__cxx11::basic_string", align 8
  %6 = alloca %class.ArticulationPoints, align 8
  %7 = alloca %"class.std::__cxx11::basic_string", align 8
  %8 = alloca %"class.std::__cxx11::basic_string", align 8
  %9 = alloca %"class.std::vector.11", align 8
  %10 = alloca %"class.std::vector", align 8
  %11 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %12 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %13 = tail call noundef zeroext i1 @_ZNSt8ios_base15sync_with_stdioEb(i1 noundef zeroext false)
  %14 = load ptr, ptr @_ZSt3cin, align 8, !tbaa !5
  %15 = getelementptr i8, ptr %14, i64 -24
  %16 = load i64, ptr %15, align 8
  %17 = getelementptr inbounds i8, ptr @_ZSt3cin, i64 %16
  %18 = tail call noundef ptr @_ZNSt9basic_iosIcSt11char_traitsIcEE3tieEPSo(ptr noundef nonnull align 8 dereferenceable(264) %17, ptr noundef null)
  %19 = load ptr, ptr @_ZSt4cout, align 8, !tbaa !5
  %20 = getelementptr i8, ptr %19, i64 -24
  %21 = load i64, ptr %20, align 8
  %22 = getelementptr inbounds i8, ptr @_ZSt4cout, i64 %21
  %23 = tail call noundef ptr @_ZNSt9basic_iosIcSt11char_traitsIcEE3tieEPSo(ptr noundef nonnull align 8 dereferenceable(264) %22, ptr noundef null)
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %1) #8
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %2) #8
  %24 = 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)
  %25 = load i32, ptr %1, align 4, !tbaa !8
  %.not56 = icmp eq i32 %25, 0
  br i1 %.not56, label %._crit_edge60, label %.lr.ph59

.lr.ph59:                                         ; preds = %0, %._crit_edge55
  %26 = phi i32 [ %124, %._crit_edge55 ], [ %25, %0 ]
  %.02057 = phi i32 [ %122, %._crit_edge55 ], [ 1, %0 ]
  call void @llvm.lifetime.start.p0(i64 32, ptr nonnull %3) #8
  call void @llvm.lifetime.start.p0(i64 1, ptr nonnull %4) #8
  call void @_ZNSaIcEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %4) #8
  invoke void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2IS3_EEPKcRKS3_(ptr noundef nonnull align 8 dereferenceable(32) %3, ptr noundef nonnull @.str, ptr noundef nonnull align 1 dereferenceable(1) %4)
          to label %27 unwind label %35

27:                                               ; preds = %.lr.ph59
  %28 = sext i32 %26 to i64
  invoke void @_ZNSt6vectorINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESaIS5_EE6assignEmRKS5_(ptr noundef nonnull align 8 dereferenceable(24) @_Z6citiesB5cxx11, i64 noundef %28, ptr noundef nonnull align 8 dereferenceable(32) %3)
          to label %29 unwind label %37

29:                                               ; preds = %27
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %3) #8
  call void @_ZNSt15__new_allocatorIcED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %4) #8
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %4) #8
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %3) #8
  call void @_ZNSt3mapINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEiSt4lessIS5_ESaISt4pairIKS5_iEEE5clearEv(ptr noundef nonnull align 8 dereferenceable(48) @_Z10id_by_nameB5cxx11) #8
  %30 = load i32, ptr %1, align 4, !tbaa !8
  %31 = icmp sgt i32 %30, 0
  br i1 %31, label %.lr.ph, label %._crit_edge

._crit_edge:                                      ; preds = %46, %29
  %.lcssa = phi i32 [ %30, %29 ], [ %48, %46 ]
  call void @llvm.lifetime.start.p0(i64 112, ptr nonnull %6) #8
  call void @_ZN18ArticulationPointsC2Ei(ptr noundef nonnull align 8 dereferenceable(112) %6, i32 noundef %.lcssa)
  %32 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERi(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 4 dereferenceable(4) %2)
          to label %.preheader44 unwind label %53

.preheader44:                                     ; preds = %._crit_edge
  %33 = load i32, ptr %2, align 4, !tbaa !8
  %34 = icmp sgt i32 %33, 0
  br i1 %34, label %.lr.ph48, label %._crit_edge49

35:                                               ; preds = %.lr.ph59
  %36 = landingpad { ptr, i32 }
          cleanup
  br label %39

37:                                               ; preds = %27
  %38 = landingpad { ptr, i32 }
          cleanup
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %3) #8
  br label %39

39:                                               ; preds = %37, %35
  %.pn = phi { ptr, i32 } [ %38, %37 ], [ %36, %35 ]
  call void @_ZNSt15__new_allocatorIcED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %4) #8
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %4) #8
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %3) #8
  br label %128

.lr.ph:                                           ; preds = %29, %46
  %indvars.iv = phi i64 [ %indvars.iv.next, %46 ], [ 0, %29 ]
  call void @llvm.lifetime.start.p0(i64 32, ptr nonnull %5) #8
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2Ev(ptr noundef nonnull align 8 dereferenceable(32) %5) #8
  %40 = 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) %5)
          to label %41 unwind label %51

41:                                               ; preds = %.lr.ph
  %42 = call noundef nonnull align 8 dereferenceable(32) ptr @_ZNSt6vectorINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESaIS5_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) @_Z6citiesB5cxx11, i64 noundef %indvars.iv) #8
  %43 = invoke noundef nonnull align 8 dereferenceable(32) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEaSERKS4_(ptr noundef nonnull align 8 dereferenceable(32) %42, ptr noundef nonnull align 8 dereferenceable(32) %5)
          to label %44 unwind label %51

44:                                               ; preds = %41
  %45 = invoke noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt3mapINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEiSt4lessIS5_ESaISt4pairIKS5_iEEEixERS9_(ptr noundef nonnull align 8 dereferenceable(48) @_Z10id_by_nameB5cxx11, ptr noundef nonnull align 8 dereferenceable(32) %5)
          to label %46 unwind label %51

46:                                               ; preds = %44
  %47 = trunc nuw nsw i64 %indvars.iv to i32
  store i32 %47, ptr %45, align 4, !tbaa !8
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %5) #8
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %5) #8
  %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
  %48 = load i32, ptr %1, align 4, !tbaa !8
  %49 = sext i32 %48 to i64
  %50 = icmp slt i64 %indvars.iv.next, %49
  br i1 %50, label %.lr.ph, label %._crit_edge, !llvm.loop !11

51:                                               ; preds = %44, %41, %.lr.ph
  %52 = landingpad { ptr, i32 }
          cleanup
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %5) #8
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %5) #8
  br label %128

._crit_edge49:                                    ; preds = %65, %.preheader44
  call void @llvm.lifetime.start.p0(i64 24, ptr nonnull %9) #8
  invoke void @_ZN18ArticulationPoints5solveEv(ptr dead_on_unwind nonnull writable sret(%"class.std::vector.11") align 8 %9, ptr noundef nonnull align 8 dereferenceable(112) %6)
          to label %76 unwind label %82

53:                                               ; preds = %._crit_edge
  %54 = landingpad { ptr, i32 }
          cleanup
  br label %127

.lr.ph48:                                         ; preds = %.preheader44, %65
  %.03147 = phi i32 [ %66, %65 ], [ 0, %.preheader44 ]
  call void @llvm.lifetime.start.p0(i64 32, ptr nonnull %7) #8
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2Ev(ptr noundef nonnull align 8 dereferenceable(32) %7) #8
  call void @llvm.lifetime.start.p0(i64 32, ptr nonnull %8) #8
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2Ev(ptr noundef nonnull align 8 dereferenceable(32) %8) #8
  %55 = 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) %7)
          to label %56 unwind label %69

56:                                               ; preds = %.lr.ph48
  %57 = 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) %55, ptr noundef nonnull align 8 dereferenceable(32) %8)
          to label %58 unwind label %69

58:                                               ; preds = %56
  %59 = invoke noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt3mapINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEiSt4lessIS5_ESaISt4pairIKS5_iEEEixERS9_(ptr noundef nonnull align 8 dereferenceable(48) @_Z10id_by_nameB5cxx11, ptr noundef nonnull align 8 dereferenceable(32) %7)
          to label %60 unwind label %71

60:                                               ; preds = %58
  %61 = load i32, ptr %59, align 4, !tbaa !8
  %62 = invoke noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt3mapINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEiSt4lessIS5_ESaISt4pairIKS5_iEEEixERS9_(ptr noundef nonnull align 8 dereferenceable(48) @_Z10id_by_nameB5cxx11, ptr noundef nonnull align 8 dereferenceable(32) %8)
          to label %63 unwind label %73

63:                                               ; preds = %60
  %64 = load i32, ptr %62, align 4, !tbaa !8
  invoke void @_ZN18ArticulationPoints8add_edgeEii(ptr noundef nonnull align 8 dereferenceable(112) %6, i32 noundef %61, i32 noundef %64)
          to label %65 unwind label %73

65:                                               ; preds = %63
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %8) #8
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %8) #8
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %7) #8
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %7) #8
  %66 = add nuw nsw i32 %.03147, 1
  %67 = load i32, ptr %2, align 4, !tbaa !8
  %68 = icmp slt i32 %66, %67
  br i1 %68, label %.lr.ph48, label %._crit_edge49, !llvm.loop !13

69:                                               ; preds = %56, %.lr.ph48
  %70 = landingpad { ptr, i32 }
          cleanup
  br label %75

71:                                               ; preds = %58
  %72 = landingpad { ptr, i32 }
          cleanup
  br label %75

73:                                               ; preds = %63, %60
  %74 = landingpad { ptr, i32 }
          cleanup
  br label %75

75:                                               ; preds = %71, %73, %69
  %.pn38.pn = phi { ptr, i32 } [ %70, %69 ], [ %74, %73 ], [ %72, %71 ]
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %8) #8
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %8) #8
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %7) #8
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %7) #8
  br label %127

76:                                               ; preds = %._crit_edge49
  call void @llvm.lifetime.start.p0(i64 24, ptr nonnull %10) #8
  call void @llvm.memset.p0.i64(ptr noundef nonnull align 8 dereferenceable(24) %10, i8 0, i64 24, i1 false)
  call void @_ZNSt6vectorINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESaIS5_EEC2Ev(ptr noundef nonnull align 8 dereferenceable(24) %10) #8
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %11) #8
  %77 = call ptr @_ZNSt6vectorIiSaIiEE5beginEv(ptr noundef nonnull align 8 dereferenceable(24) %9) #8
  store ptr %77, ptr %11, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %12) #8
  %78 = call ptr @_ZNSt6vectorIiSaIiEE3endEv(ptr noundef nonnull align 8 dereferenceable(24) %9) #8
  store ptr %78, ptr %12, align 8
  %79 = call noundef zeroext i1 @_ZN9__gnu_cxxneIPiSt6vectorIiSaIiEEEEbRKNS_17__normal_iteratorIT_T0_EESA_(ptr noundef nonnull align 8 dereferenceable(8) %11, ptr noundef nonnull align 8 dereferenceable(8) %12) #8
  br i1 %79, label %.lr.ph51, label %._crit_edge52

._crit_edge52:                                    ; preds = %88, %76
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %12) #8
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %11) #8
  %80 = call ptr @_ZNSt6vectorINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESaIS5_EE5beginEv(ptr noundef nonnull align 8 dereferenceable(24) %10) #8
  %81 = call ptr @_ZNSt6vectorINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESaIS5_EE3endEv(ptr noundef nonnull align 8 dereferenceable(24) %10) #8
  invoke void @_ZSt4sortIN9__gnu_cxx17__normal_iteratorIPNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESt6vectorIS7_SaIS7_EEEEEvT_SD_(ptr %80, ptr %81)
          to label %93 unwind label %97

82:                                               ; preds = %._crit_edge49
  %83 = landingpad { ptr, i32 }
          cleanup
  br label %126

.lr.ph51:                                         ; preds = %76, %88
  %84 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNK9__gnu_cxx17__normal_iteratorIPiSt6vectorIiSaIiEEEdeEv(ptr noundef nonnull align 8 dereferenceable(8) %11) #8
  %85 = load i32, ptr %84, align 4, !tbaa !8
  %86 = sext i32 %85 to i64
  %87 = call noundef nonnull align 8 dereferenceable(32) ptr @_ZNSt6vectorINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESaIS5_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) @_Z6citiesB5cxx11, i64 noundef %86) #8
  invoke void @_ZNSt6vectorINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESaIS5_EE9push_backERKS5_(ptr noundef nonnull align 8 dereferenceable(24) %10, ptr noundef nonnull align 8 dereferenceable(32) %87)
          to label %88 unwind label %91

88:                                               ; preds = %.lr.ph51
  %89 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZN9__gnu_cxx17__normal_iteratorIPiSt6vectorIiSaIiEEEppEv(ptr noundef nonnull align 8 dereferenceable(8) %11) #8
  %90 = call noundef zeroext i1 @_ZN9__gnu_cxxneIPiSt6vectorIiSaIiEEEEbRKNS_17__normal_iteratorIT_T0_EESA_(ptr noundef nonnull align 8 dereferenceable(8) %11, ptr noundef nonnull align 8 dereferenceable(8) %12) #8
  br i1 %90, label %.lr.ph51, label %._crit_edge52

91:                                               ; preds = %.lr.ph51
  %92 = landingpad { ptr, i32 }
          cleanup
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %12) #8
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %11) #8
  br label %125

93:                                               ; preds = %._crit_edge52
  %94 = icmp ugt i32 %.02057, 1
  br i1 %94, label %95, label %99

95:                                               ; preds = %93
  %96 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, ptr noundef nonnull @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
          to label %99 unwind label %97

97:                                               ; preds = %110, %108, %105, %103, %101, %99, %95, %._crit_edge52
  %98 = landingpad { ptr, i32 }
          cleanup
  br label %125

99:                                               ; preds = %95, %93
  %100 = 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 %101 unwind label %97

101:                                              ; preds = %99
  %102 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8) %100, i32 noundef %.02057)
          to label %103 unwind label %97

103:                                              ; preds = %101
  %104 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) %102, ptr noundef nonnull @.str.4)
          to label %105 unwind label %97

105:                                              ; preds = %103
  %106 = call noundef i64 @_ZNKSt6vectorINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESaIS5_EE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24) %10) #8
  %107 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEm(ptr noundef nonnull align 8 dereferenceable(8) %104, i64 noundef %106)
          to label %108 unwind label %97

108:                                              ; preds = %105
  %109 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc(ptr noundef nonnull align 8 dereferenceable(8) %107, ptr noundef nonnull @.str.5)
          to label %110 unwind label %97

110:                                              ; preds = %108
  %111 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) %109, ptr noundef nonnull @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
          to label %.preheader unwind label %97

.preheader:                                       ; preds = %110
  %112 = call noundef i64 @_ZNKSt6vectorINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESaIS5_EE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24) %10) #8
  %.not61 = icmp eq i64 %112, 0
  br i1 %.not61, label %._crit_edge55, label %.lr.ph54

.lr.ph54:                                         ; preds = %.preheader, %117
  %indvars.iv64 = phi i64 [ %indvars.iv.next65, %117 ], [ 0, %.preheader ]
  %113 = call noundef nonnull align 8 dereferenceable(32) ptr @_ZNSt6vectorINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESaIS5_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %10, i64 noundef %indvars.iv64) #8
  %114 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsIcSt11char_traitsIcESaIcEERSt13basic_ostreamIT_T0_ES7_RKNSt7__cxx1112basic_stringIS4_S5_T1_EE(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, ptr noundef nonnull align 8 dereferenceable(32) %113)
          to label %115 unwind label %120

115:                                              ; preds = %.lr.ph54
  %116 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) %114, ptr noundef nonnull @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
          to label %117 unwind label %120

117:                                              ; preds = %115
  %indvars.iv.next65 = add nuw nsw i64 %indvars.iv64, 1
  %118 = call noundef i64 @_ZNKSt6vectorINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESaIS5_EE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24) %10) #8
  %119 = icmp ugt i64 %118, %indvars.iv.next65
  br i1 %119, label %.lr.ph54, label %._crit_edge55, !llvm.loop !14

120:                                              ; preds = %115, %.lr.ph54
  %121 = landingpad { ptr, i32 }
          cleanup
  br label %125

._crit_edge55:                                    ; preds = %117, %.preheader
  call void @_ZNSt6vectorINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESaIS5_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %10) #8
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %10) #8
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %9) #8
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %9) #8
  call void @_ZN18ArticulationPointsD2Ev(ptr noundef nonnull align 8 dereferenceable(112) %6) #8
  call void @llvm.lifetime.end.p0(i64 112, ptr nonnull %6) #8
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %2) #8
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %1) #8
  %122 = add nuw nsw i32 %.02057, 1
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %1) #8
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %2) #8
  %123 = 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)
  %124 = load i32, ptr %1, align 4, !tbaa !8
  %.not = icmp eq i32 %124, 0
  br i1 %.not, label %._crit_edge60, label %.lr.ph59, !llvm.loop !15

125:                                              ; preds = %120, %97, %91
  %.pn35 = phi { ptr, i32 } [ %92, %91 ], [ %121, %120 ], [ %98, %97 ]
  call void @_ZNSt6vectorINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESaIS5_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %10) #8
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %10) #8
  call void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %9) #8
  br label %126

126:                                              ; preds = %125, %82
  %.pn35.pn = phi { ptr, i32 } [ %.pn35, %125 ], [ %83, %82 ]
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %9) #8
  br label %127

127:                                              ; preds = %126, %75, %53
  %.pn38.pn.pn = phi { ptr, i32 } [ %.pn38.pn, %75 ], [ %.pn35.pn, %126 ], [ %54, %53 ]
  call void @_ZN18ArticulationPointsD2Ev(ptr noundef nonnull align 8 dereferenceable(112) %6) #8
  call void @llvm.lifetime.end.p0(i64 112, ptr nonnull %6) #8
  br label %128

128:                                              ; preds = %127, %51, %39
  %.pn42 = phi { ptr, i32 } [ %52, %51 ], [ %.pn38.pn.pn, %127 ], [ %.pn, %39 ]
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %2) #8
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %1) #8
  resume { ptr, i32 } %.pn42

._crit_edge60:                                    ; preds = %._crit_edge55, %0
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %2) #8
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %1) #8
  ret i32 0
}

declare noundef zeroext i1 @_ZNSt8ios_base15sync_with_stdioEb(i1 noundef zeroext) local_unnamed_addr #2

; Function Attrs: mustprogress nounwind uwtable
declare noundef ptr @_ZNSt9basic_iosIcSt11char_traitsIcEE3tieEPSo(ptr noundef nonnull align 8 dereferenceable(264), ptr noundef) local_unnamed_addr #0 align 2

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

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

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESaIS5_EE6assignEmRKS5_(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef, ptr noundef nonnull align 8 dereferenceable(32)) local_unnamed_addr #4 align 2

; Function Attrs: mustprogress nounwind uwtable
declare void @_ZNSaIcEC2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #0 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2IS3_EEPKcRKS3_(ptr noundef nonnull align 8 dereferenceable(32), ptr noundef, ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #4 align 2

declare i32 @__gxx_personality_v0(...)

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

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt3mapINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEiSt4lessIS5_ESaISt4pairIKS5_iEEE5clearEv(ptr noundef nonnull align 8 dereferenceable(48)) local_unnamed_addr #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2Ev(ptr noundef nonnull align 8 dereferenceable(32)) unnamed_addr #0 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(32) ptr @_ZNSt6vectorINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESaIS5_EEixEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) local_unnamed_addr #0 align 2

; Function Attrs: mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(32) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEaSERKS4_(ptr noundef nonnull align 8 dereferenceable(32), ptr noundef nonnull align 8 dereferenceable(32)) local_unnamed_addr #4 align 2

; Function Attrs: mustprogress uwtable
declare dso_local noundef nonnull align 4 dereferenceable(4) ptr @_ZNSt3mapINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEiSt4lessIS5_ESaISt4pairIKS5_iEEEixERS9_(ptr noundef nonnull align 8 dereferenceable(48), ptr noundef nonnull align 8 dereferenceable(32)) local_unnamed_addr #4 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZN18ArticulationPointsC2Ei(ptr noundef nonnull align 8 dereferenceable(112), i32 noundef) unnamed_addr #4 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZN18ArticulationPoints8add_edgeEii(ptr noundef nonnull align 8 dereferenceable(112), i32 noundef, i32 noundef) local_unnamed_addr #4 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZN18ArticulationPoints5solveEv(ptr dead_on_unwind noalias writable sret(%"class.std::vector.11") align 8, ptr noundef nonnull align 8 dereferenceable(112)) local_unnamed_addr #4 align 2

; Function Attrs: mustprogress nocallback nofree nounwind willreturn memory(argmem: write)
declare void @llvm.memset.p0.i64(ptr nocapture writeonly, i8, i64, i1 immarg) #5

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt6vectorIiSaIiEE5beginEv(ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt6vectorIiSaIiEE3endEv(ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #0 align 2

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_ZN9__gnu_cxxneIPiSt6vectorIiSaIiEEEEbRKNS_17__normal_iteratorIT_T0_EESA_(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #6

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 4 dereferenceable(4) ptr @_ZNK9__gnu_cxx17__normal_iteratorIPiSt6vectorIiSaIiEEEdeEv(ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #0 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESaIS5_EE9push_backERKS5_(ptr noundef nonnull align 8 dereferenceable(24), ptr noundef nonnull align 8 dereferenceable(32)) local_unnamed_addr #4 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZN9__gnu_cxx17__normal_iteratorIPiSt6vectorIiSaIiEEEppEv(ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #0 align 2

; Function Attrs: inlinehint mustprogress uwtable
declare dso_local void @_ZSt4sortIN9__gnu_cxx17__normal_iteratorIPNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESt6vectorIS7_SaIS7_EEEEEvT_SD_(ptr, ptr) local_unnamed_addr #7

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt6vectorINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESaIS5_EE5beginEv(ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt6vectorINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESaIS5_EE3endEv(ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #0 align 2

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

; Function Attrs: inlinehint mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_(ptr noundef nonnull align 8 dereferenceable(8)) #7

; 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 #7

declare noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8), i32 noundef) local_unnamed_addr #2

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

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef i64 @_ZNKSt6vectorINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESaIS5_EE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #0 align 2

; Function Attrs: inlinehint mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZStlsIcSt11char_traitsIcESaIcEERSt13basic_ostreamIT_T0_ES7_RKNSt7__cxx1112basic_stringIS4_S5_T1_EE(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef nonnull align 8 dereferenceable(32)) local_unnamed_addr #7

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorIiSaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #0 align 2

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local void @_ZN18ArticulationPointsD2Ev(ptr noundef nonnull align 8 dereferenceable(112)) unnamed_addr #6 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt15__new_allocatorIcED2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #0 align 2

attributes #0 = { 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 #1 = { 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 #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 nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #4 = { 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 #5 = { mustprogress nocallback nofree nounwind willreturn memory(argmem: write) }
attributes #6 = { inlinehint mustprogress nounwind uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #7 = { 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 #8 = { 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 = !{!"vtable pointer", !7, i64 0}
!7 = !{!"Simple C++ TBAA"}
!8 = !{!9, !9, i64 0}
!9 = !{!"int", !10, i64 0}
!10 = !{!"omnipotent char", !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,GVNPass,GlobalOptPass,IndVarSimplifyPass,InferFunctionAttrsPass,InstCombinePass,InstSimplifyPass,JumpThreadingPass,LCSSAPass,LoopRotatePass,LoopSimplifyPass,LoopUnrollPass,SROAPass,SimplifyCFGPass,TailCallElimPass