; LLVM IR from eyangch/competitive-programming :: USACOtraining/2.3 (prefix)

; 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_ifstream" = type { %"class.std::basic_istream.base", %"class.std::basic_filebuf", %"class.std::basic_ios" }
%"class.std::basic_istream.base" = type { ptr, i64 }
%"class.std::basic_filebuf" = type { %"class.std::basic_streambuf", %union.pthread_mutex_t, %"class.std::__basic_file", i32, %struct.__mbstate_t, %struct.__mbstate_t, %struct.__mbstate_t, ptr, i64, i8, i8, i8, i8, ptr, ptr, i8, ptr, ptr, i64, ptr, ptr }
%"class.std::basic_streambuf" = type { ptr, ptr, ptr, ptr, ptr, ptr, ptr, %"class.std::locale" }
%"class.std::locale" = type { ptr }
%union.pthread_mutex_t = type { %struct.__pthread_mutex_s }
%struct.__pthread_mutex_s = type { i32, i32, i32, i32, i32, i16, i16, %struct.__pthread_internal_list }
%struct.__pthread_internal_list = type { ptr, ptr }
%"class.std::__basic_file" = type <{ ptr, i8, [7 x i8] }>
%struct.__mbstate_t = type { i32, %union.anon }
%union.anon = type { i32 }
%"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::basic_ofstream" = type { %"class.std::basic_ostream.base", %"class.std::basic_filebuf", %"class.std::basic_ios" }
%"class.std::basic_ostream.base" = type { ptr }
%"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::__cxx11::basic_string" = type { %"struct.std::__cxx11::basic_string<char>::_Alloc_hider", i64, %union.anon.3 }
%"struct.std::__cxx11::basic_string<char>::_Alloc_hider" = type { ptr }
%union.anon.3 = type { i64, [8 x i8] }
%"class.std::set" = type { %"class.std::_Rb_tree" }
%"class.std::_Rb_tree" = type { %"struct.std::_Rb_tree<int, int, std::_Identity<int>, std::less<int>>::_Rb_tree_impl" }
%"struct.std::_Rb_tree<int, int, std::_Identity<int>, std::less<int>>::_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 }
%"struct.std::pair" = type <{ %"struct.std::_Rb_tree_const_iterator", i8, [7 x i8] }>
%"struct.std::_Rb_tree_const_iterator" = type { ptr }

@.str = external hidden unnamed_addr constant [10 x i8], align 1
@.str.1 = external hidden unnamed_addr constant [11 x i8], align 1
@.str.2 = external hidden unnamed_addr constant [2 x i8], align 1

; Function Attrs: mustprogress norecurse uwtable
define dso_local noundef i32 @main() #0 personality ptr @__gxx_personality_v0 {
  %1 = alloca i32, align 4
  %2 = alloca %"class.std::basic_ifstream", align 8
  %3 = alloca %"class.std::basic_ofstream", align 8
  %4 = alloca ptr, align 8
  %5 = alloca i32, align 4
  %6 = alloca %"class.std::vector", align 8
  %7 = alloca %"class.std::__cxx11::basic_string", align 8
  %8 = alloca i32, align 4
  %9 = alloca %"class.std::__cxx11::basic_string", align 8
  %10 = alloca i32, align 4
  %11 = alloca %"class.std::__cxx11::basic_string", align 8
  %12 = alloca %"class.std::set", align 8
  %13 = alloca i32, align 4
  %14 = alloca %"struct.std::pair", align 8
  %15 = alloca i32, align 4
  %16 = alloca %"struct.std::_Rb_tree_const_iterator", align 8
  %17 = alloca %"struct.std::_Rb_tree_const_iterator", align 8
  %18 = alloca %"struct.std::_Rb_tree_const_iterator", align 8
  %19 = alloca i32, align 4
  %20 = alloca %"class.std::__cxx11::basic_string", align 8
  %21 = alloca i32, align 4
  %22 = alloca %"struct.std::pair", align 8
  store i32 0, ptr %1, align 4
  call void @llvm.lifetime.start.p0(i64 520, ptr %2) #8
  call void @_ZNSt14basic_ifstreamIcSt11char_traitsIcEEC1EPKcSt13_Ios_Openmode(ptr noundef nonnull align 8 dereferenceable(256) %2, ptr noundef @.str, i32 noundef 8)
  call void @llvm.lifetime.start.p0(i64 512, ptr %3) #8
  invoke void @_ZNSt14basic_ofstreamIcSt11char_traitsIcEEC1EPKcSt13_Ios_Openmode(ptr noundef nonnull align 8 dereferenceable(248) %3, ptr noundef @.str.1, i32 noundef 16)
          to label %23 unwind label %33

23:                                               ; preds = %0
  call void @llvm.lifetime.start.p0(i64 24, ptr %6) #8
  call void @_ZNSt6vectorINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESaIS5_EEC2Ev(ptr noundef nonnull align 8 dereferenceable(24) %6) #8
  call void @llvm.lifetime.start.p0(i64 32, ptr %7) #8
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2Ev(ptr noundef nonnull align 8 dereferenceable(32) %7) #8
  call void @llvm.lifetime.start.p0(i64 4, ptr %8) #8
  store i32 0, ptr %8, align 4, !tbaa !5
  %24 = invoke noundef zeroext i1 @_ZNSt8ios_base15sync_with_stdioEb(i1 noundef zeroext false)
          to label %25 unwind label %37

25:                                               ; preds = %23
  br label %26

26:                                               ; preds = %49, %25
  br label %27

27:                                               ; preds = %26
  call void @llvm.lifetime.start.p0(i64 32, ptr %9) #8
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2Ev(ptr noundef nonnull align 8 dereferenceable(32) %9) #8
  %28 = 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) %2, ptr noundef nonnull align 8 dereferenceable(32) %9)
          to label %29 unwind label %41

29:                                               ; preds = %27
  %30 = call noundef i32 @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE7compareEPKc(ptr noundef nonnull align 8 dereferenceable(32) %9, ptr noundef @.str.2) #8
  %31 = icmp eq i32 %30, 0
  br i1 %31, label %32, label %45

32:                                               ; preds = %29
  store i32 3, ptr %10, align 4
  br label %47

33:                                               ; preds = %0
  %34 = landingpad { ptr, i32 }
          cleanup
  %35 = extractvalue { ptr, i32 } %34, 0
  store ptr %35, ptr %4, align 8
  %36 = extractvalue { ptr, i32 } %34, 1
  store i32 %36, ptr %5, align 4
  br label %173

37:                                               ; preds = %23
  %38 = landingpad { ptr, i32 }
          cleanup
  %39 = extractvalue { ptr, i32 } %38, 0
  store ptr %39, ptr %4, align 8
  %40 = extractvalue { ptr, i32 } %38, 1
  store i32 %40, ptr %5, align 4
  br label %172

41:                                               ; preds = %45, %27
  %42 = landingpad { ptr, i32 }
          cleanup
  %43 = extractvalue { ptr, i32 } %42, 0
  store ptr %43, ptr %4, align 8
  %44 = extractvalue { ptr, i32 } %42, 1
  store i32 %44, ptr %5, align 4
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %9) #8
  call void @llvm.lifetime.end.p0(i64 32, ptr %9) #8
  br label %172

45:                                               ; preds = %29
  invoke void @_ZNSt6vectorINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESaIS5_EE9push_backERKS5_(ptr noundef nonnull align 8 dereferenceable(24) %6, ptr noundef nonnull align 8 dereferenceable(32) %9)
          to label %46 unwind label %41

46:                                               ; preds = %45
  store i32 0, ptr %10, align 4
  br label %47

47:                                               ; preds = %46, %32
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %9) #8
  call void @llvm.lifetime.end.p0(i64 32, ptr %9) #8
  %48 = load i32, ptr %10, align 4
  switch i32 %48, label %179 [
    i32 0, label %49
    i32 3, label %50
  ]

49:                                               ; preds = %47
  br label %26, !llvm.loop !9

50:                                               ; preds = %47
  br label %51

51:                                               ; preds = %71, %50
  br label %52

52:                                               ; preds = %51
  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
  %53 = 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) %2, ptr noundef nonnull align 8 dereferenceable(32) %11)
          to label %54 unwind label %62

54:                                               ; preds = %52
  %55 = load ptr, ptr %2, align 8, !tbaa !11
  %56 = getelementptr i8, ptr %55, i64 -24
  %57 = load i64, ptr %56, align 8
  %58 = getelementptr inbounds i8, ptr %2, i64 %57
  %59 = invoke noundef zeroext i1 @_ZNKSt9basic_iosIcSt11char_traitsIcEE3eofEv(ptr noundef nonnull align 8 dereferenceable(264) %58)
          to label %60 unwind label %62

60:                                               ; preds = %54
  br i1 %59, label %61, label %66

61:                                               ; preds = %60
  store i32 5, ptr %10, align 4
  br label %69

62:                                               ; preds = %66, %54, %52
  %63 = landingpad { ptr, i32 }
          cleanup
  %64 = extractvalue { ptr, i32 } %63, 0
  store ptr %64, ptr %4, align 8
  %65 = extractvalue { ptr, i32 } %63, 1
  store i32 %65, ptr %5, 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
  br label %172

66:                                               ; preds = %60
  %67 = invoke noundef nonnull align 8 dereferenceable(32) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE6appendERKS4_(ptr noundef nonnull align 8 dereferenceable(32) %7, ptr noundef nonnull align 8 dereferenceable(32) %11)
          to label %68 unwind label %62

68:                                               ; preds = %66
  store i32 0, ptr %10, align 4
  br label %69

69:                                               ; preds = %68, %61
  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
  %70 = load i32, ptr %10, align 4
  switch i32 %70, label %179 [
    i32 0, label %71
    i32 5, label %72
  ]

71:                                               ; preds = %69
  br label %51, !llvm.loop !13

72:                                               ; preds = %69
  call void @llvm.lifetime.start.p0(i64 48, ptr %12) #8
  call void @_ZNSt3setIiSt4lessIiESaIiEEC2Ev(ptr noundef nonnull align 8 dereferenceable(48) %12) #8
  call void @llvm.lifetime.start.p0(i64 4, ptr %13) #8
  store i32 0, ptr %13, align 4, !tbaa !5
  %73 = invoke { ptr, i8 } @_ZNSt3setIiSt4lessIiESaIiEE6insertEOi(ptr noundef nonnull align 8 dereferenceable(48) %12, ptr noundef nonnull align 4 dereferenceable(4) %13)
          to label %74 unwind label %103

74:                                               ; preds = %72
  %75 = getelementptr inbounds { ptr, i8 }, ptr %14, i32 0, i32 0
  %76 = extractvalue { ptr, i8 } %73, 0
  store ptr %76, ptr %75, align 8
  %77 = getelementptr inbounds { ptr, i8 }, ptr %14, i32 0, i32 1
  %78 = extractvalue { ptr, i8 } %73, 1
  store i8 %78, ptr %77, align 8
  call void @llvm.lifetime.end.p0(i64 4, ptr %13) #8
  br label %79

79:                                               ; preds = %158, %74
  %80 = call noundef zeroext i1 @_ZNKSt3setIiSt4lessIiESaIiEE5emptyEv(ptr noundef nonnull align 8 dereferenceable(48) %12) #8
  %81 = xor i1 %80, true
  br i1 %81, label %82, label %160

82:                                               ; preds = %79
  call void @llvm.lifetime.start.p0(i64 4, ptr %15) #8
  call void @llvm.lifetime.start.p0(i64 8, ptr %16) #8
  %83 = call ptr @_ZNKSt3setIiSt4lessIiESaIiEE5beginEv(ptr noundef nonnull align 8 dereferenceable(48) %12) #8
  %84 = getelementptr inbounds %"struct.std::_Rb_tree_const_iterator", ptr %16, i32 0, i32 0
  store ptr %83, ptr %84, align 8
  %85 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNKSt23_Rb_tree_const_iteratorIiEdeEv(ptr noundef nonnull align 8 dereferenceable(8) %16) #8
  %86 = load i32, ptr %85, align 4, !tbaa !5
  call void @llvm.lifetime.end.p0(i64 8, ptr %16) #8
  store i32 %86, ptr %15, align 4, !tbaa !5
  %87 = call ptr @_ZNKSt3setIiSt4lessIiESaIiEE5beginEv(ptr noundef nonnull align 8 dereferenceable(48) %12) #8
  %88 = getelementptr inbounds %"struct.std::_Rb_tree_const_iterator", ptr %17, i32 0, i32 0
  store ptr %87, ptr %88, align 8
  %89 = getelementptr inbounds %"struct.std::_Rb_tree_const_iterator", ptr %17, i32 0, i32 0
  %90 = load ptr, ptr %89, align 8
  %91 = invoke ptr @_ZNSt3setIiSt4lessIiESaIiEE5eraseB5cxx11ESt23_Rb_tree_const_iteratorIiE(ptr noundef nonnull align 8 dereferenceable(48) %12, ptr %90)
          to label %92 unwind label %107

92:                                               ; preds = %82
  %93 = getelementptr inbounds %"struct.std::_Rb_tree_const_iterator", ptr %18, i32 0, i32 0
  store ptr %91, ptr %93, align 8
  %94 = invoke noundef nonnull align 4 dereferenceable(4) ptr @_ZSt3maxIiERKT_S2_S2_(ptr noundef nonnull align 4 dereferenceable(4) %8, ptr noundef nonnull align 4 dereferenceable(4) %15)
          to label %95 unwind label %107

95:                                               ; preds = %92
  %96 = load i32, ptr %94, align 4, !tbaa !5
  store i32 %96, ptr %8, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 4, ptr %19) #8
  store i32 0, ptr %19, align 4, !tbaa !5
  br label %97

97:                                               ; preds = %154, %95
  %98 = load i32, ptr %19, align 4, !tbaa !5
  %99 = sext i32 %98 to i64
  %100 = call noundef i64 @_ZNKSt6vectorINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESaIS5_EE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24) %6) #8
  %101 = icmp ult i64 %99, %100
  br i1 %101, label %111, label %102

102:                                              ; preds = %97
  store i32 8, ptr %10, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %19) #8
  br label %158

103:                                              ; preds = %72
  %104 = landingpad { ptr, i32 }
          cleanup
  %105 = extractvalue { ptr, i32 } %104, 0
  store ptr %105, ptr %4, align 8
  %106 = extractvalue { ptr, i32 } %104, 1
  store i32 %106, ptr %5, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %13) #8
  br label %171

107:                                              ; preds = %92, %82
  %108 = landingpad { ptr, i32 }
          cleanup
  %109 = extractvalue { ptr, i32 } %108, 0
  store ptr %109, ptr %4, align 8
  %110 = extractvalue { ptr, i32 } %108, 1
  store i32 %110, ptr %5, align 4
  br label %159

111:                                              ; preds = %97
  %112 = load i32, ptr %19, align 4, !tbaa !5
  %113 = sext i32 %112 to i64
  %114 = call noundef nonnull align 8 dereferenceable(32) ptr @_ZNSt6vectorINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESaIS5_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %6, i64 noundef %113) #8
  call void @llvm.lifetime.start.p0(i64 32, ptr %20) #8
  %115 = load i32, ptr %15, align 4, !tbaa !5
  %116 = sext i32 %115 to i64
  %117 = load i32, ptr %19, align 4, !tbaa !5
  %118 = sext i32 %117 to i64
  %119 = call noundef nonnull align 8 dereferenceable(32) ptr @_ZNSt6vectorINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESaIS5_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %6, i64 noundef %118) #8
  %120 = call noundef i64 @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE6lengthEv(ptr noundef nonnull align 8 dereferenceable(32) %119) #8
  invoke void @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE6substrEmm(ptr dead_on_unwind writable sret(%"class.std::__cxx11::basic_string") align 8 %20, ptr noundef nonnull align 8 dereferenceable(32) %7, i64 noundef %116, i64 noundef %120)
          to label %121 unwind label %140

121:                                              ; preds = %111
  %122 = invoke noundef i32 @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE7compareERKS4_(ptr noundef nonnull align 8 dereferenceable(32) %114, ptr noundef nonnull align 8 dereferenceable(32) %20)
          to label %123 unwind label %144

123:                                              ; preds = %121
  %124 = icmp eq i32 %122, 0
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %20) #8
  call void @llvm.lifetime.end.p0(i64 32, ptr %20) #8
  br i1 %124, label %125, label %153

125:                                              ; preds = %123
  call void @llvm.lifetime.start.p0(i64 4, ptr %21) #8
  %126 = load i32, ptr %15, align 4, !tbaa !5
  %127 = sext i32 %126 to i64
  %128 = load i32, ptr %19, align 4, !tbaa !5
  %129 = sext i32 %128 to i64
  %130 = call noundef nonnull align 8 dereferenceable(32) ptr @_ZNSt6vectorINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESaIS5_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %6, i64 noundef %129) #8
  %131 = call noundef i64 @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE6lengthEv(ptr noundef nonnull align 8 dereferenceable(32) %130) #8
  %132 = add i64 %127, %131
  %133 = trunc i64 %132 to i32
  store i32 %133, ptr %21, align 4, !tbaa !5
  %134 = invoke { ptr, i8 } @_ZNSt3setIiSt4lessIiESaIiEE6insertEOi(ptr noundef nonnull align 8 dereferenceable(48) %12, ptr noundef nonnull align 4 dereferenceable(4) %21)
          to label %135 unwind label %149

135:                                              ; preds = %125
  %136 = getelementptr inbounds { ptr, i8 }, ptr %22, i32 0, i32 0
  %137 = extractvalue { ptr, i8 } %134, 0
  store ptr %137, ptr %136, align 8
  %138 = getelementptr inbounds { ptr, i8 }, ptr %22, i32 0, i32 1
  %139 = extractvalue { ptr, i8 } %134, 1
  store i8 %139, ptr %138, align 8
  call void @llvm.lifetime.end.p0(i64 4, ptr %21) #8
  br label %153

140:                                              ; preds = %111
  %141 = landingpad { ptr, i32 }
          cleanup
  %142 = extractvalue { ptr, i32 } %141, 0
  store ptr %142, ptr %4, align 8
  %143 = extractvalue { ptr, i32 } %141, 1
  store i32 %143, ptr %5, align 4
  br label %148

144:                                              ; preds = %121
  %145 = landingpad { ptr, i32 }
          cleanup
  %146 = extractvalue { ptr, i32 } %145, 0
  store ptr %146, ptr %4, align 8
  %147 = extractvalue { ptr, i32 } %145, 1
  store i32 %147, ptr %5, align 4
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %20) #8
  br label %148

148:                                              ; preds = %144, %140
  call void @llvm.lifetime.end.p0(i64 32, ptr %20) #8
  br label %157

149:                                              ; preds = %125
  %150 = landingpad { ptr, i32 }
          cleanup
  %151 = extractvalue { ptr, i32 } %150, 0
  store ptr %151, ptr %4, align 8
  %152 = extractvalue { ptr, i32 } %150, 1
  store i32 %152, ptr %5, align 4
  call void @llvm.lifetime.end.p0(i64 4, ptr %21) #8
  br label %157

153:                                              ; preds = %135, %123
  br label %154

154:                                              ; preds = %153
  %155 = load i32, ptr %19, align 4, !tbaa !5
  %156 = add nsw i32 %155, 1
  store i32 %156, ptr %19, align 4, !tbaa !5
  br label %97, !llvm.loop !14

157:                                              ; preds = %149, %148
  call void @llvm.lifetime.end.p0(i64 4, ptr %19) #8
  br label %159

158:                                              ; preds = %102
  call void @llvm.lifetime.end.p0(i64 4, ptr %15) #8
  br label %79, !llvm.loop !15

159:                                              ; preds = %157, %107
  call void @llvm.lifetime.end.p0(i64 4, ptr %15) #8
  br label %171

160:                                              ; preds = %79
  %161 = load i32, ptr %8, align 4, !tbaa !5
  %162 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8) %3, i32 noundef %161)
          to label %163 unwind label %167

163:                                              ; preds = %160
  %164 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) %162, ptr noundef @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
          to label %165 unwind label %167

165:                                              ; preds = %163
  store i32 0, ptr %1, align 4
  store i32 1, ptr %10, align 4
  call void @_ZNSt3setIiSt4lessIiESaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(48) %12) #8
  call void @llvm.lifetime.end.p0(i64 48, ptr %12) #8
  call void @llvm.lifetime.end.p0(i64 4, ptr %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 %7) #8
  call void @_ZNSt6vectorINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESaIS5_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %6) #8
  call void @llvm.lifetime.end.p0(i64 24, ptr %6) #8
  call void @_ZNSt14basic_ofstreamIcSt11char_traitsIcEED1Ev(ptr noundef nonnull align 8 dereferenceable(248) %3) #8
  call void @llvm.lifetime.end.p0(i64 512, ptr %3) #8
  call void @_ZNSt14basic_ifstreamIcSt11char_traitsIcEED1Ev(ptr noundef nonnull align 8 dereferenceable(256) %2) #8
  call void @llvm.lifetime.end.p0(i64 520, ptr %2) #8
  %166 = load i32, ptr %1, align 4
  ret i32 %166

167:                                              ; preds = %163, %160
  %168 = landingpad { ptr, i32 }
          cleanup
  %169 = extractvalue { ptr, i32 } %168, 0
  store ptr %169, ptr %4, align 8
  %170 = extractvalue { ptr, i32 } %168, 1
  store i32 %170, ptr %5, align 4
  br label %171

171:                                              ; preds = %167, %159, %103
  call void @_ZNSt3setIiSt4lessIiESaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(48) %12) #8
  call void @llvm.lifetime.end.p0(i64 48, ptr %12) #8
  br label %172

172:                                              ; preds = %171, %62, %41, %37
  call void @llvm.lifetime.end.p0(i64 4, ptr %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 %7) #8
  call void @_ZNSt6vectorINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESaIS5_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %6) #8
  call void @llvm.lifetime.end.p0(i64 24, ptr %6) #8
  call void @_ZNSt14basic_ofstreamIcSt11char_traitsIcEED1Ev(ptr noundef nonnull align 8 dereferenceable(248) %3) #8
  br label %173

173:                                              ; preds = %172, %33
  call void @llvm.lifetime.end.p0(i64 512, ptr %3) #8
  call void @_ZNSt14basic_ifstreamIcSt11char_traitsIcEED1Ev(ptr noundef nonnull align 8 dereferenceable(256) %2) #8
  call void @llvm.lifetime.end.p0(i64 520, ptr %2) #8
  br label %174

174:                                              ; preds = %173
  %175 = load ptr, ptr %4, align 8
  %176 = load i32, ptr %5, align 4
  %177 = insertvalue { ptr, i32 } poison, ptr %175, 0
  %178 = insertvalue { ptr, i32 } %177, i32 %176, 1
  resume { ptr, i32 } %178

179:                                              ; preds = %69, %47
  unreachable
}

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

; Function Attrs: mustprogress uwtable
declare void @_ZNSt14basic_ifstreamIcSt11char_traitsIcEEC1EPKcSt13_Ios_Openmode(ptr noundef nonnull align 8 dereferenceable(256), ptr noundef, i32 noundef) unnamed_addr #2 align 2

; Function Attrs: mustprogress uwtable
declare void @_ZNSt14basic_ofstreamIcSt11char_traitsIcEEC1EPKcSt13_Ios_Openmode(ptr noundef nonnull align 8 dereferenceable(248), ptr noundef, i32 noundef) unnamed_addr #2 align 2

declare i32 @__gxx_personality_v0(...)

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESaIS5_EEC2Ev(ptr noundef nonnull align 8 dereferenceable(24)) 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 zeroext i1 @_ZNSt8ios_base15sync_with_stdioEb(i1 noundef zeroext) #4

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)) #4

; Function Attrs: nounwind
declare noundef i32 @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE7compareEPKc(ptr noundef nonnull align 8 dereferenceable(32), ptr noundef) #5

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

; Function Attrs: mustprogress uwtable
declare noundef zeroext i1 @_ZNKSt9basic_iosIcSt11char_traitsIcEE3eofEv(ptr noundef nonnull align 8 dereferenceable(264)) #2 align 2

; Function Attrs: mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(32) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE6appendERKS4_(ptr noundef nonnull align 8 dereferenceable(32), ptr noundef nonnull align 8 dereferenceable(32)) #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt3setIiSt4lessIiESaIiEEC2Ev(ptr noundef nonnull align 8 dereferenceable(48)) unnamed_addr #3 align 2

; Function Attrs: mustprogress uwtable
declare dso_local { ptr, i8 } @_ZNSt3setIiSt4lessIiESaIiEE6insertEOi(ptr noundef nonnull align 8 dereferenceable(48), ptr noundef nonnull align 4 dereferenceable(4)) #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_ZNKSt3setIiSt4lessIiESaIiEE5emptyEv(ptr noundef nonnull align 8 dereferenceable(48)) #3 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNKSt3setIiSt4lessIiESaIiEE5beginEv(ptr noundef nonnull align 8 dereferenceable(48)) #3 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 4 dereferenceable(4) ptr @_ZNKSt23_Rb_tree_const_iteratorIiEdeEv(ptr noundef nonnull align 8 dereferenceable(8)) #3 align 2

; Function Attrs: mustprogress uwtable
declare dso_local ptr @_ZNSt3setIiSt4lessIiESaIiEE5eraseB5cxx11ESt23_Rb_tree_const_iteratorIiE(ptr noundef nonnull align 8 dereferenceable(48), ptr) #2 align 2

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local noundef nonnull align 4 dereferenceable(4) ptr @_ZSt3maxIiERKT_S2_S2_(ptr noundef nonnull align 4 dereferenceable(4), ptr noundef nonnull align 4 dereferenceable(4)) #6

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef i64 @_ZNKSt6vectorINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESaIS5_EE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24)) #3 align 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) #3 align 2

; Function Attrs: mustprogress uwtable
declare noundef i32 @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE7compareERKS4_(ptr noundef nonnull align 8 dereferenceable(32), ptr noundef nonnull align 8 dereferenceable(32)) #2 align 2

; Function Attrs: mustprogress uwtable
declare void @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE6substrEmm(ptr dead_on_unwind noalias writable sret(%"class.std::__cxx11::basic_string") align 8, ptr noundef nonnull align 8 dereferenceable(32), i64 noundef, i64 noundef) #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare noundef i64 @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE6lengthEv(ptr noundef nonnull align 8 dereferenceable(32)) #3 align 2

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

; Function Attrs: mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef) #2 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: mustprogress nounwind uwtable
declare dso_local void @_ZNSt3setIiSt4lessIiESaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(48)) unnamed_addr #3 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 #3 align 2

; Function Attrs: mustprogress nounwind uwtable
declare void @_ZNSt14basic_ofstreamIcSt11char_traitsIcEED1Ev(ptr noundef nonnull align 8 dereferenceable(248)) unnamed_addr #3 align 2

; Function Attrs: mustprogress nounwind uwtable
declare void @_ZNSt14basic_ifstreamIcSt11char_traitsIcEED1Ev(ptr noundef nonnull align 8 dereferenceable(256)) unnamed_addr #3 align 2

attributes #0 = { 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 #1 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #2 = { mustprogress uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #3 = { mustprogress 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 = { "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 = { nounwind "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #6 = { inlinehint mustprogress nounwind uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #7 = { 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 = !{!"int", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}
!9 = distinct !{!9, !10}
!10 = !{!"llvm.loop.mustprogress"}
!11 = !{!12, !12, i64 0}
!12 = !{!"vtable pointer", !8, i64 0}
!13 = distinct !{!13, !10}
!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_ifstream" = type { %"class.std::basic_istream.base", %"class.std::basic_filebuf", %"class.std::basic_ios" }
%"class.std::basic_istream.base" = type { ptr, i64 }
%"class.std::basic_filebuf" = type { %"class.std::basic_streambuf", %union.pthread_mutex_t, %"class.std::__basic_file", i32, %struct.__mbstate_t, %struct.__mbstate_t, %struct.__mbstate_t, ptr, i64, i8, i8, i8, i8, ptr, ptr, i8, ptr, ptr, i64, ptr, ptr }
%"class.std::basic_streambuf" = type { ptr, ptr, ptr, ptr, ptr, ptr, ptr, %"class.std::locale" }
%"class.std::locale" = type { ptr }
%union.pthread_mutex_t = type { %struct.__pthread_mutex_s }
%struct.__pthread_mutex_s = type { i32, i32, i32, i32, i32, i16, i16, %struct.__pthread_internal_list }
%struct.__pthread_internal_list = type { ptr, ptr }
%"class.std::__basic_file" = type <{ ptr, i8, [7 x i8] }>
%struct.__mbstate_t = type { i32, %union.anon }
%union.anon = type { i32 }
%"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::basic_ofstream" = type { %"class.std::basic_ostream.base", %"class.std::basic_filebuf", %"class.std::basic_ios" }
%"class.std::basic_ostream.base" = type { ptr }
%"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::__cxx11::basic_string" = type { %"struct.std::__cxx11::basic_string<char>::_Alloc_hider", i64, %union.anon.3 }
%"struct.std::__cxx11::basic_string<char>::_Alloc_hider" = type { ptr }
%union.anon.3 = type { i64, [8 x i8] }
%"class.std::set" = type { %"class.std::_Rb_tree" }
%"class.std::_Rb_tree" = type { %"struct.std::_Rb_tree<int, int, std::_Identity<int>, std::less<int>>::_Rb_tree_impl" }
%"struct.std::_Rb_tree<int, int, std::_Identity<int>, std::less<int>>::_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 }
%"struct.std::_Rb_tree_const_iterator" = type { ptr }

@.str = external hidden unnamed_addr constant [10 x i8], align 1
@.str.1 = external hidden unnamed_addr constant [11 x i8], align 1
@.str.2 = external hidden unnamed_addr constant [2 x i8], align 1

; Function Attrs: mustprogress norecurse uwtable
define dso_local noundef i32 @main() local_unnamed_addr #0 personality ptr @__gxx_personality_v0 {
  %1 = alloca %"class.std::basic_ifstream", align 8
  %2 = alloca %"class.std::basic_ofstream", align 8
  %3 = alloca %"class.std::vector", align 8
  %4 = alloca %"class.std::__cxx11::basic_string", align 8
  %5 = alloca i32, align 4
  %6 = alloca %"class.std::__cxx11::basic_string", align 8
  %7 = alloca %"class.std::__cxx11::basic_string", align 8
  %8 = alloca %"class.std::set", align 8
  %9 = alloca i32, align 4
  %10 = alloca i32, align 4
  %11 = alloca %"struct.std::_Rb_tree_const_iterator", align 8
  %12 = alloca %"class.std::__cxx11::basic_string", align 8
  %13 = alloca i32, align 4
  call void @llvm.lifetime.start.p0(i64 520, ptr nonnull %1) #8
  call void @_ZNSt14basic_ifstreamIcSt11char_traitsIcEEC1EPKcSt13_Ios_Openmode(ptr noundef nonnull align 8 dereferenceable(256) %1, ptr noundef nonnull @.str, i32 noundef 8)
  call void @llvm.lifetime.start.p0(i64 512, ptr nonnull %2) #8
  invoke void @_ZNSt14basic_ofstreamIcSt11char_traitsIcEEC1EPKcSt13_Ios_Openmode(ptr noundef nonnull align 8 dereferenceable(248) %2, ptr noundef nonnull @.str.1, i32 noundef 16)
          to label %14 unwind label %19

14:                                               ; preds = %0
  call void @llvm.lifetime.start.p0(i64 24, ptr nonnull %3) #8
  call void @_ZNSt6vectorINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESaIS5_EEC2Ev(ptr noundef nonnull align 8 dereferenceable(24) %3) #8
  call void @llvm.lifetime.start.p0(i64 32, ptr nonnull %4) #8
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2Ev(ptr noundef nonnull align 8 dereferenceable(32) %4) #8
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %5) #8
  store i32 0, ptr %5, align 4, !tbaa !5
  %15 = invoke noundef zeroext i1 @_ZNSt8ios_base15sync_with_stdioEb(i1 noundef zeroext false)
          to label %.preheader34.split unwind label %21

.preheader34.split:                               ; preds = %14, %26
  call void @llvm.lifetime.start.p0(i64 32, ptr nonnull %6) #8
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2Ev(ptr noundef nonnull align 8 dereferenceable(32) %6) #8
  %16 = invoke noundef nonnull align 8 dereferenceable(16) ptr @_ZStrsIcSt11char_traitsIcESaIcEERSt13basic_istreamIT_T0_ES7_RNSt7__cxx1112basic_stringIS4_S5_T1_EE(ptr noundef nonnull align 8 dereferenceable(16) %1, ptr noundef nonnull align 8 dereferenceable(32) %6)
          to label %17 unwind label %23

17:                                               ; preds = %.preheader34.split
  %18 = call noundef i32 @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE7compareEPKc(ptr noundef nonnull align 8 dereferenceable(32) %6, ptr noundef nonnull @.str.2) #8
  %.not = icmp eq i32 %18, 0
  br i1 %.not, label %.critedge, label %25

19:                                               ; preds = %0
  %20 = landingpad { ptr, i32 }
          cleanup
  br label %96

21:                                               ; preds = %14
  %22 = landingpad { ptr, i32 }
          cleanup
  br label %95

23:                                               ; preds = %25, %.preheader34.split
  %24 = landingpad { ptr, i32 }
          cleanup
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %6) #8
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %6) #8
  br label %95

25:                                               ; preds = %17
  invoke void @_ZNSt6vectorINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESaIS5_EE9push_backERKS5_(ptr noundef nonnull align 8 dereferenceable(24) %3, ptr noundef nonnull align 8 dereferenceable(32) %6)
          to label %26 unwind label %23

26:                                               ; preds = %25
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %6) #8
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %6) #8
  br label %.preheader34.split

.critedge:                                        ; preds = %17
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %6) #8
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %6) #8
  br label %27

27:                                               ; preds = %.critedge, %40
  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
  %28 = 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) %1, ptr noundef nonnull align 8 dereferenceable(32) %7)
          to label %29 unwind label %36

29:                                               ; preds = %27
  %30 = load ptr, ptr %1, align 8, !tbaa !9
  %31 = getelementptr i8, ptr %30, i64 -24
  %32 = load i64, ptr %31, align 8
  %33 = getelementptr inbounds i8, ptr %1, i64 %32
  %34 = invoke noundef zeroext i1 @_ZNKSt9basic_iosIcSt11char_traitsIcEE3eofEv(ptr noundef nonnull align 8 dereferenceable(264) %33)
          to label %35 unwind label %36

35:                                               ; preds = %29
  br i1 %34, label %41, label %38

36:                                               ; preds = %38, %29, %27
  %37 = landingpad { ptr, i32 }
          cleanup
  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 %95

38:                                               ; preds = %35
  %39 = invoke noundef nonnull align 8 dereferenceable(32) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE6appendERKS4_(ptr noundef nonnull align 8 dereferenceable(32) %4, ptr noundef nonnull align 8 dereferenceable(32) %7)
          to label %40 unwind label %36

40:                                               ; preds = %38
  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 %27

41:                                               ; preds = %35
  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
  call void @llvm.lifetime.start.p0(i64 48, ptr nonnull %8) #8
  call void @_ZNSt3setIiSt4lessIiESaIiEEC2Ev(ptr noundef nonnull align 8 dereferenceable(48) %8) #8
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %9) #8
  store i32 0, ptr %9, align 4, !tbaa !5
  %42 = invoke { ptr, i8 } @_ZNSt3setIiSt4lessIiESaIiEE6insertEOi(ptr noundef nonnull align 8 dereferenceable(48) %8, ptr noundef nonnull align 4 dereferenceable(4) %9)
          to label %43 unwind label %55

43:                                               ; preds = %41
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %9) #8
  %44 = call noundef zeroext i1 @_ZNKSt3setIiSt4lessIiESaIiEE5emptyEv(ptr noundef nonnull align 8 dereferenceable(48) %8) #8
  br i1 %44, label %._crit_edge38, label %.lr.ph37

.lr.ph37:                                         ; preds = %43, %._crit_edge
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %10) #8
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %11) #8
  %45 = call ptr @_ZNKSt3setIiSt4lessIiESaIiEE5beginEv(ptr noundef nonnull align 8 dereferenceable(48) %8) #8
  store ptr %45, ptr %11, align 8
  %46 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZNKSt23_Rb_tree_const_iteratorIiEdeEv(ptr noundef nonnull align 8 dereferenceable(8) %11) #8
  %47 = load i32, ptr %46, align 4, !tbaa !5
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %11) #8
  store i32 %47, ptr %10, align 4, !tbaa !5
  %48 = call ptr @_ZNKSt3setIiSt4lessIiESaIiEE5beginEv(ptr noundef nonnull align 8 dereferenceable(48) %8) #8
  %49 = invoke ptr @_ZNSt3setIiSt4lessIiESaIiEE5eraseB5cxx11ESt23_Rb_tree_const_iteratorIiE(ptr noundef nonnull align 8 dereferenceable(48) %8, ptr %48)
          to label %50 unwind label %57

50:                                               ; preds = %.lr.ph37
  %51 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZSt3maxIiERKT_S2_S2_(ptr noundef nonnull align 4 dereferenceable(4) %5, ptr noundef nonnull align 4 dereferenceable(4) %10)
  %52 = load i32, ptr %51, align 4, !tbaa !5
  store i32 %52, ptr %5, align 4, !tbaa !5
  %53 = call noundef i64 @_ZNKSt6vectorINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESaIS5_EE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24) %3) #8
  %.not39 = icmp eq i64 %53, 0
  br i1 %.not39, label %._crit_edge, label %.lr.ph

._crit_edge:                                      ; preds = %83, %50
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %10) #8
  %54 = call noundef zeroext i1 @_ZNKSt3setIiSt4lessIiESaIiEE5emptyEv(ptr noundef nonnull align 8 dereferenceable(48) %8) #8
  br i1 %54, label %._crit_edge38.loopexit, label %.lr.ph37, !llvm.loop !11

55:                                               ; preds = %41
  %56 = landingpad { ptr, i32 }
          cleanup
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %9) #8
  br label %94

57:                                               ; preds = %.lr.ph37
  %58 = landingpad { ptr, i32 }
          cleanup
  br label %86

.lr.ph:                                           ; preds = %50, %83
  %indvars.iv = phi i64 [ %indvars.iv.next, %83 ], [ 0, %50 ]
  %59 = call noundef nonnull align 8 dereferenceable(32) ptr @_ZNSt6vectorINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESaIS5_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %3, i64 noundef %indvars.iv) #8
  call void @llvm.lifetime.start.p0(i64 32, ptr nonnull %12) #8
  %60 = load i32, ptr %10, align 4, !tbaa !5
  %61 = sext i32 %60 to i64
  %62 = call noundef nonnull align 8 dereferenceable(32) ptr @_ZNSt6vectorINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESaIS5_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %3, i64 noundef %indvars.iv) #8
  %63 = call noundef i64 @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE6lengthEv(ptr noundef nonnull align 8 dereferenceable(32) %62) #8
  invoke void @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE6substrEmm(ptr dead_on_unwind nonnull writable sret(%"class.std::__cxx11::basic_string") align 8 %12, ptr noundef nonnull align 8 dereferenceable(32) %4, i64 noundef %61, i64 noundef %63)
          to label %64 unwind label %76

64:                                               ; preds = %.lr.ph
  %65 = invoke noundef i32 @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE7compareERKS4_(ptr noundef nonnull align 8 dereferenceable(32) %59, ptr noundef nonnull align 8 dereferenceable(32) %12)
          to label %66 unwind label %78

66:                                               ; preds = %64
  %67 = icmp eq i32 %65, 0
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %12) #8
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %12) #8
  br i1 %67, label %68, label %83

68:                                               ; preds = %66
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %13) #8
  %69 = load i32, ptr %10, align 4, !tbaa !5
  %70 = call noundef nonnull align 8 dereferenceable(32) ptr @_ZNSt6vectorINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESaIS5_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %3, i64 noundef %indvars.iv) #8
  %71 = call noundef i64 @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE6lengthEv(ptr noundef nonnull align 8 dereferenceable(32) %70) #8
  %72 = trunc i64 %71 to i32
  %73 = add i32 %69, %72
  store i32 %73, ptr %13, align 4, !tbaa !5
  %74 = invoke { ptr, i8 } @_ZNSt3setIiSt4lessIiESaIiEE6insertEOi(ptr noundef nonnull align 8 dereferenceable(48) %8, ptr noundef nonnull align 4 dereferenceable(4) %13)
          to label %75 unwind label %81

75:                                               ; preds = %68
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %13) #8
  br label %83

76:                                               ; preds = %.lr.ph
  %77 = landingpad { ptr, i32 }
          cleanup
  br label %80

78:                                               ; preds = %64
  %79 = landingpad { ptr, i32 }
          cleanup
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %12) #8
  br label %80

80:                                               ; preds = %78, %76
  %.pn = phi { ptr, i32 } [ %79, %78 ], [ %77, %76 ]
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %12) #8
  br label %86

81:                                               ; preds = %68
  %82 = landingpad { ptr, i32 }
          cleanup
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %13) #8
  br label %86

83:                                               ; preds = %66, %75
  %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
  %84 = call noundef i64 @_ZNKSt6vectorINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESaIS5_EE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24) %3) #8
  %85 = icmp ugt i64 %84, %indvars.iv.next
  br i1 %85, label %.lr.ph, label %._crit_edge, !llvm.loop !13

86:                                               ; preds = %80, %81, %57
  %.pn24.pn = phi { ptr, i32 } [ %58, %57 ], [ %82, %81 ], [ %.pn, %80 ]
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %10) #8
  br label %94

._crit_edge38.loopexit:                           ; preds = %._crit_edge
  %.pre = load i32, ptr %5, align 4, !tbaa !5
  br label %._crit_edge38

._crit_edge38:                                    ; preds = %._crit_edge38.loopexit, %43
  %87 = phi i32 [ %.pre, %._crit_edge38.loopexit ], [ 0, %43 ]
  %88 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEi(ptr noundef nonnull align 8 dereferenceable(8) %2, i32 noundef %87)
          to label %89 unwind label %92

89:                                               ; preds = %._crit_edge38
  %90 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) %88, ptr noundef nonnull @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
          to label %91 unwind label %92

91:                                               ; preds = %89
  call void @_ZNSt3setIiSt4lessIiESaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(48) %8) #8
  call void @llvm.lifetime.end.p0(i64 48, ptr nonnull %8) #8
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %5) #8
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %4) #8
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %4) #8
  call void @_ZNSt6vectorINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESaIS5_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %3) #8
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %3) #8
  call void @_ZNSt14basic_ofstreamIcSt11char_traitsIcEED1Ev(ptr noundef nonnull align 8 dereferenceable(248) %2) #8
  call void @llvm.lifetime.end.p0(i64 512, ptr nonnull %2) #8
  call void @_ZNSt14basic_ifstreamIcSt11char_traitsIcEED1Ev(ptr noundef nonnull align 8 dereferenceable(256) %1) #8
  call void @llvm.lifetime.end.p0(i64 520, ptr nonnull %1) #8
  ret i32 0

92:                                               ; preds = %89, %._crit_edge38
  %93 = landingpad { ptr, i32 }
          cleanup
  br label %94

94:                                               ; preds = %92, %86, %55
  %.pn24.pn.pn = phi { ptr, i32 } [ %.pn24.pn, %86 ], [ %93, %92 ], [ %56, %55 ]
  call void @_ZNSt3setIiSt4lessIiESaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(48) %8) #8
  call void @llvm.lifetime.end.p0(i64 48, ptr nonnull %8) #8
  br label %95

95:                                               ; preds = %94, %36, %23, %21
  %.pn24.pn.pn.pn = phi { ptr, i32 } [ %.pn24.pn.pn, %94 ], [ %37, %36 ], [ %24, %23 ], [ %22, %21 ]
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %5) #8
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %4) #8
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %4) #8
  call void @_ZNSt6vectorINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESaIS5_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %3) #8
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %3) #8
  call void @_ZNSt14basic_ofstreamIcSt11char_traitsIcEED1Ev(ptr noundef nonnull align 8 dereferenceable(248) %2) #8
  br label %96

96:                                               ; preds = %95, %19
  %.pn24.pn.pn.pn.pn = phi { ptr, i32 } [ %.pn24.pn.pn.pn, %95 ], [ %20, %19 ]
  call void @llvm.lifetime.end.p0(i64 512, ptr nonnull %2) #8
  call void @_ZNSt14basic_ifstreamIcSt11char_traitsIcEED1Ev(ptr noundef nonnull align 8 dereferenceable(256) %1) #8
  call void @llvm.lifetime.end.p0(i64 520, ptr nonnull %1) #8
  resume { ptr, i32 } %.pn24.pn.pn.pn.pn
}

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

; Function Attrs: mustprogress uwtable
declare void @_ZNSt14basic_ifstreamIcSt11char_traitsIcEEC1EPKcSt13_Ios_Openmode(ptr noundef nonnull align 8 dereferenceable(256), ptr noundef, i32 noundef) unnamed_addr #2 align 2

; Function Attrs: mustprogress uwtable
declare void @_ZNSt14basic_ofstreamIcSt11char_traitsIcEEC1EPKcSt13_Ios_Openmode(ptr noundef nonnull align 8 dereferenceable(248), ptr noundef, i32 noundef) unnamed_addr #2 align 2

declare i32 @__gxx_personality_v0(...)

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESaIS5_EEC2Ev(ptr noundef nonnull align 8 dereferenceable(24)) 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 zeroext i1 @_ZNSt8ios_base15sync_with_stdioEb(i1 noundef zeroext) local_unnamed_addr #4

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 #4

; Function Attrs: nounwind
declare noundef i32 @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE7compareEPKc(ptr noundef nonnull align 8 dereferenceable(32), ptr noundef) local_unnamed_addr #5

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

; Function Attrs: mustprogress uwtable
declare noundef zeroext i1 @_ZNKSt9basic_iosIcSt11char_traitsIcEE3eofEv(ptr noundef nonnull align 8 dereferenceable(264)) local_unnamed_addr #2 align 2

; Function Attrs: mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(32) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE6appendERKS4_(ptr noundef nonnull align 8 dereferenceable(32), ptr noundef nonnull align 8 dereferenceable(32)) local_unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt3setIiSt4lessIiESaIiEEC2Ev(ptr noundef nonnull align 8 dereferenceable(48)) unnamed_addr #3 align 2

; Function Attrs: mustprogress uwtable
declare dso_local { ptr, i8 } @_ZNSt3setIiSt4lessIiESaIiEE6insertEOi(ptr noundef nonnull align 8 dereferenceable(48), ptr noundef nonnull align 4 dereferenceable(4)) local_unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_ZNKSt3setIiSt4lessIiESaIiEE5emptyEv(ptr noundef nonnull align 8 dereferenceable(48)) local_unnamed_addr #3 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNKSt3setIiSt4lessIiESaIiEE5beginEv(ptr noundef nonnull align 8 dereferenceable(48)) local_unnamed_addr #3 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 4 dereferenceable(4) ptr @_ZNKSt23_Rb_tree_const_iteratorIiEdeEv(ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #3 align 2

; Function Attrs: mustprogress uwtable
declare dso_local ptr @_ZNSt3setIiSt4lessIiESaIiEE5eraseB5cxx11ESt23_Rb_tree_const_iteratorIiE(ptr noundef nonnull align 8 dereferenceable(48), ptr) local_unnamed_addr #2 align 2

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local noundef nonnull align 4 dereferenceable(4) ptr @_ZSt3maxIiERKT_S2_S2_(ptr noundef nonnull align 4 dereferenceable(4), ptr noundef nonnull align 4 dereferenceable(4)) local_unnamed_addr #6

; 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 #3 align 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 #3 align 2

; Function Attrs: mustprogress uwtable
declare noundef i32 @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE7compareERKS4_(ptr noundef nonnull align 8 dereferenceable(32), ptr noundef nonnull align 8 dereferenceable(32)) local_unnamed_addr #2 align 2

; Function Attrs: mustprogress uwtable
declare void @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE6substrEmm(ptr dead_on_unwind noalias writable sret(%"class.std::__cxx11::basic_string") align 8, ptr noundef nonnull align 8 dereferenceable(32), i64 noundef, i64 noundef) local_unnamed_addr #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare noundef i64 @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE6lengthEv(ptr noundef nonnull align 8 dereferenceable(32)) local_unnamed_addr #3 align 2

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

; Function Attrs: mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef) local_unnamed_addr #2 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: mustprogress nounwind uwtable
declare dso_local void @_ZNSt3setIiSt4lessIiESaIiEED2Ev(ptr noundef nonnull align 8 dereferenceable(48)) unnamed_addr #3 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 #3 align 2

; Function Attrs: mustprogress nounwind uwtable
declare void @_ZNSt14basic_ofstreamIcSt11char_traitsIcEED1Ev(ptr noundef nonnull align 8 dereferenceable(248)) unnamed_addr #3 align 2

; Function Attrs: mustprogress nounwind uwtable
declare void @_ZNSt14basic_ifstreamIcSt11char_traitsIcEED1Ev(ptr noundef nonnull align 8 dereferenceable(256)) unnamed_addr #3 align 2

attributes #0 = { 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 #1 = { mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #2 = { mustprogress uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #3 = { mustprogress 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 = { "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 = { nounwind "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #6 = { inlinehint mustprogress nounwind uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #7 = { 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 = !{!"int", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}
!9 = !{!10, !10, i64 0}
!10 = !{!"vtable pointer", !8, i64 0}
!11 = distinct !{!11, !12}
!12 = !{!"llvm.loop.mustprogress"}
!13 = distinct !{!13, !12}


; Effective O3 passes: ConstraintEliminationPass,CorrelatedValuePropagationPass,EarlyCSEPass,GVNPass,GlobalOptPass,IndVarSimplifyPass,InferFunctionAttrsPass,InstCombinePass,JumpThreadingPass,LoopRotatePass,LoopSimplifyCFGPass,LoopSimplifyPass,LoopUnrollPass,ReassociatePass,SROAPass,SimplifyCFGPass