; LLVM IR from DionysiosB/CodeForces :: 0700-0799 (777D-CloudOfHashtags)

; Unoptimized IR (clang -disable-llvm-passes):
target datalayout = "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-i128:128-f80:128-n8:16:32:64-S128"
target triple = "x86_64-unknown-linux-gnu"

%"class.std::basic_istream" = type { ptr, i64, %"class.std::basic_ios" }
%"class.std::basic_ios" = type { %"class.std::ios_base", ptr, i8, i8, ptr, ptr, ptr, ptr }
%"class.std::ios_base" = type { ptr, i64, i64, i32, i32, i32, ptr, %"struct.std::ios_base::_Words", [8 x %"struct.std::ios_base::_Words"], i32, ptr, %"class.std::locale" }
%"struct.std::ios_base::_Words" = type { ptr, i64 }
%"class.std::locale" = type { ptr }
%"class.std::basic_ostream" = type { ptr, %"class.std::basic_ios" }
%"class.std::vector" = type { %"struct.std::_Vector_base" }
%"struct.std::_Vector_base" = type { %"struct.std::_Vector_base<std::__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::allocator" = type { i8 }
%"class.std::__cxx11::basic_string" = type { %"struct.std::__cxx11::basic_string<char>::_Alloc_hider", i64, %union.anon }
%"struct.std::__cxx11::basic_string<char>::_Alloc_hider" = type { ptr }
%union.anon = type { i64, [8 x i8] }

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

; Function Attrs: mustprogress norecurse uwtable
define dso_local noundef i32 @main() #0 personality ptr @__gxx_personality_v0 {
  %1 = alloca i32, align 4
  %2 = alloca i64, align 8
  %3 = alloca %"class.std::vector", align 8
  %4 = alloca %"class.std::allocator", align 1
  %5 = alloca ptr, align 8
  %6 = alloca i32, align 4
  %7 = alloca i64, align 8
  %8 = alloca %"class.std::__cxx11::basic_string", align 8
  %9 = alloca i64, align 8
  %10 = alloca i64, align 8
  %11 = alloca %"class.std::__cxx11::basic_string", align 8
  %12 = alloca i64, align 8
  store i32 0, ptr %1, align 4
  %13 = call noundef zeroext i1 @_ZNSt8ios_base15sync_with_stdioEb(i1 noundef zeroext false)
  call void @llvm.lifetime.start.p0(i64 8, ptr %2) #6
  %14 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERl(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 8 dereferenceable(8) %2)
  call void @llvm.lifetime.start.p0(i64 24, ptr %3) #6
  %15 = load i64, ptr %2, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 1, ptr %4) #6
  call void @_ZNSaINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %4) #6
  invoke void @_ZNSt6vectorINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESaIS5_EEC2EmRKS6_(ptr noundef nonnull align 8 dereferenceable(24) %3, i64 noundef %15, ptr noundef nonnull align 1 dereferenceable(1) %4)
          to label %16 unwind label %22

16:                                               ; preds = %0
  call void @_ZNSt15__new_allocatorINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %4) #6
  call void @llvm.lifetime.end.p0(i64 1, ptr %4) #6
  call void @llvm.lifetime.start.p0(i64 8, ptr %7) #6
  store i64 0, ptr %7, align 8, !tbaa !5
  br label %17

17:                                               ; preds = %31, %16
  %18 = load i64, ptr %7, align 8, !tbaa !5
  %19 = load i64, ptr %2, align 8, !tbaa !5
  %20 = icmp slt i64 %18, %19
  br i1 %20, label %26, label %21

21:                                               ; preds = %17
  call void @llvm.lifetime.end.p0(i64 8, ptr %7) #6
  br label %38

22:                                               ; preds = %0
  %23 = landingpad { ptr, i32 }
          cleanup
  %24 = extractvalue { ptr, i32 } %23, 0
  store ptr %24, ptr %5, align 8
  %25 = extractvalue { ptr, i32 } %23, 1
  store i32 %25, ptr %6, align 4
  call void @_ZNSt15__new_allocatorINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %4) #6
  call void @llvm.lifetime.end.p0(i64 1, ptr %4) #6
  br label %150

26:                                               ; preds = %17
  %27 = load i64, ptr %7, align 8, !tbaa !5
  %28 = call noundef nonnull align 8 dereferenceable(32) ptr @_ZNSt6vectorINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESaIS5_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %3, i64 noundef %27) #6
  %29 = 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) %28)
          to label %30 unwind label %34

30:                                               ; preds = %26
  br label %31

31:                                               ; preds = %30
  %32 = load i64, ptr %7, align 8, !tbaa !5
  %33 = add nsw i64 %32, 1
  store i64 %33, ptr %7, align 8, !tbaa !5
  br label %17, !llvm.loop !9

34:                                               ; preds = %26
  %35 = landingpad { ptr, i32 }
          cleanup
  %36 = extractvalue { ptr, i32 } %35, 0
  store ptr %36, ptr %5, align 8
  %37 = extractvalue { ptr, i32 } %35, 1
  store i32 %37, ptr %6, align 4
  call void @llvm.lifetime.end.p0(i64 8, ptr %7) #6
  br label %149

38:                                               ; preds = %21
  call void @llvm.lifetime.start.p0(i64 32, ptr %8) #6
  %39 = load i64, ptr %2, align 8, !tbaa !5
  %40 = sub nsw i64 %39, 1
  %41 = call noundef nonnull align 8 dereferenceable(32) ptr @_ZNSt6vectorINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESaIS5_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %3, i64 noundef %40) #6
  invoke void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2ERKS4_(ptr noundef nonnull align 8 dereferenceable(32) %8, ptr noundef nonnull align 8 dereferenceable(32) %41)
          to label %42 unwind label %49

42:                                               ; preds = %38
  call void @llvm.lifetime.start.p0(i64 8, ptr %9) #6
  %43 = load i64, ptr %2, align 8, !tbaa !5
  %44 = sub nsw i64 %43, 2
  store i64 %44, ptr %9, align 8, !tbaa !5
  br label %45

45:                                               ; preds = %117, %42
  %46 = load i64, ptr %9, align 8, !tbaa !5
  %47 = icmp sge i64 %46, 0
  br i1 %47, label %53, label %48

48:                                               ; preds = %45
  call void @llvm.lifetime.end.p0(i64 8, ptr %9) #6
  br label %125

49:                                               ; preds = %38
  %50 = landingpad { ptr, i32 }
          cleanup
  %51 = extractvalue { ptr, i32 } %50, 0
  store ptr %51, ptr %5, align 8
  %52 = extractvalue { ptr, i32 } %50, 1
  store i32 %52, ptr %6, align 4
  br label %148

53:                                               ; preds = %45
  call void @llvm.lifetime.start.p0(i64 8, ptr %10) #6
  store i64 0, ptr %10, align 8, !tbaa !5
  br label %54

54:                                               ; preds = %102, %53
  %55 = load i64, ptr %10, align 8, !tbaa !5
  %56 = load i64, ptr %9, align 8, !tbaa !5
  %57 = call noundef nonnull align 8 dereferenceable(32) ptr @_ZNSt6vectorINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESaIS5_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %3, i64 noundef %56) #6
  %58 = call noundef i64 @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(32) %57) #6
  %59 = icmp ult i64 %55, %58
  br i1 %59, label %60, label %105

60:                                               ; preds = %54
  %61 = load i64, ptr %10, align 8, !tbaa !5
  %62 = call noundef i64 @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(32) %8) #6
  %63 = icmp uge i64 %61, %62
  br i1 %63, label %64, label %65

64:                                               ; preds = %60
  br label %105

65:                                               ; preds = %60
  %66 = load i64, ptr %9, align 8, !tbaa !5
  %67 = call noundef nonnull align 8 dereferenceable(32) ptr @_ZNSt6vectorINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESaIS5_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %3, i64 noundef %66) #6
  %68 = load i64, ptr %10, align 8, !tbaa !5
  %69 = invoke noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %67, i64 noundef %68)
          to label %70 unwind label %83

70:                                               ; preds = %65
  %71 = load i8, ptr %69, align 1, !tbaa !11
  %72 = sext i8 %71 to i32
  %73 = load i64, ptr %10, align 8, !tbaa !5
  %74 = invoke noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %8, i64 noundef %73)
          to label %75 unwind label %83

75:                                               ; preds = %70
  %76 = load i8, ptr %74, align 1, !tbaa !11
  %77 = sext i8 %76 to i32
  %78 = icmp slt i32 %72, %77
  br i1 %78, label %79, label %87

79:                                               ; preds = %75
  %80 = load i64, ptr %9, align 8, !tbaa !5
  %81 = call noundef nonnull align 8 dereferenceable(32) ptr @_ZNSt6vectorINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESaIS5_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %3, i64 noundef %80) #6
  %82 = call noundef i64 @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(32) %81) #6
  store i64 %82, ptr %10, align 8, !tbaa !5
  br label %105

83:                                               ; preds = %109, %92, %87, %70, %65
  %84 = landingpad { ptr, i32 }
          cleanup
  %85 = extractvalue { ptr, i32 } %84, 0
  store ptr %85, ptr %5, align 8
  %86 = extractvalue { ptr, i32 } %84, 1
  store i32 %86, ptr %6, align 4
  br label %124

87:                                               ; preds = %75
  %88 = load i64, ptr %9, align 8, !tbaa !5
  %89 = call noundef nonnull align 8 dereferenceable(32) ptr @_ZNSt6vectorINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESaIS5_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %3, i64 noundef %88) #6
  %90 = load i64, ptr %10, align 8, !tbaa !5
  %91 = invoke noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %89, i64 noundef %90)
          to label %92 unwind label %83

92:                                               ; preds = %87
  %93 = load i8, ptr %91, align 1, !tbaa !11
  %94 = sext i8 %93 to i32
  %95 = load i64, ptr %10, align 8, !tbaa !5
  %96 = invoke noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %8, i64 noundef %95)
          to label %97 unwind label %83

97:                                               ; preds = %92
  %98 = load i8, ptr %96, align 1, !tbaa !11
  %99 = sext i8 %98 to i32
  %100 = icmp sgt i32 %94, %99
  br i1 %100, label %101, label %102

101:                                              ; preds = %97
  br label %105

102:                                              ; preds = %97
  %103 = load i64, ptr %10, align 8, !tbaa !5
  %104 = add nsw i64 %103, 1
  store i64 %104, ptr %10, align 8, !tbaa !5
  br label %54, !llvm.loop !12

105:                                              ; preds = %101, %79, %64, %54
  call void @llvm.lifetime.start.p0(i64 32, ptr %11) #6
  %106 = load i64, ptr %9, align 8, !tbaa !5
  %107 = call noundef nonnull align 8 dereferenceable(32) ptr @_ZNSt6vectorINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESaIS5_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %3, i64 noundef %106) #6
  %108 = load i64, ptr %10, align 8, !tbaa !5
  invoke void @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE6substrEmm(ptr dead_on_unwind writable sret(%"class.std::__cxx11::basic_string") align 8 %11, ptr noundef nonnull align 8 dereferenceable(32) %107, i64 noundef 0, i64 noundef %108)
          to label %109 unwind label %120

109:                                              ; preds = %105
  %110 = load i64, ptr %9, align 8, !tbaa !5
  %111 = call noundef nonnull align 8 dereferenceable(32) ptr @_ZNSt6vectorINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESaIS5_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %3, i64 noundef %110) #6
  %112 = call noundef nonnull align 8 dereferenceable(32) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEaSEOS4_(ptr noundef nonnull align 8 dereferenceable(32) %111, ptr noundef nonnull align 8 dereferenceable(32) %11) #6
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %11) #6
  call void @llvm.lifetime.end.p0(i64 32, ptr %11) #6
  %113 = load i64, ptr %9, align 8, !tbaa !5
  %114 = call noundef nonnull align 8 dereferenceable(32) ptr @_ZNSt6vectorINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESaIS5_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %3, i64 noundef %113) #6
  %115 = invoke noundef nonnull align 8 dereferenceable(32) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEaSERKS4_(ptr noundef nonnull align 8 dereferenceable(32) %8, ptr noundef nonnull align 8 dereferenceable(32) %114)
          to label %116 unwind label %83

116:                                              ; preds = %109
  call void @llvm.lifetime.end.p0(i64 8, ptr %10) #6
  br label %117

117:                                              ; preds = %116
  %118 = load i64, ptr %9, align 8, !tbaa !5
  %119 = add nsw i64 %118, -1
  store i64 %119, ptr %9, align 8, !tbaa !5
  br label %45, !llvm.loop !13

120:                                              ; preds = %105
  %121 = landingpad { ptr, i32 }
          cleanup
  %122 = extractvalue { ptr, i32 } %121, 0
  store ptr %122, ptr %5, align 8
  %123 = extractvalue { ptr, i32 } %121, 1
  store i32 %123, ptr %6, align 4
  call void @llvm.lifetime.end.p0(i64 32, ptr %11) #6
  br label %124

124:                                              ; preds = %120, %83
  call void @llvm.lifetime.end.p0(i64 8, ptr %10) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr %9) #6
  br label %147

125:                                              ; preds = %48
  call void @llvm.lifetime.start.p0(i64 8, ptr %12) #6
  store i64 0, ptr %12, align 8, !tbaa !5
  br label %126

126:                                              ; preds = %138, %125
  %127 = load i64, ptr %12, align 8, !tbaa !5
  %128 = load i64, ptr %2, align 8, !tbaa !5
  %129 = icmp slt i64 %127, %128
  br i1 %129, label %131, label %130

130:                                              ; preds = %126
  call void @llvm.lifetime.end.p0(i64 8, ptr %12) #6
  br label %145

131:                                              ; preds = %126
  %132 = load i64, ptr %12, align 8, !tbaa !5
  %133 = call noundef nonnull align 8 dereferenceable(32) ptr @_ZNSt6vectorINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESaIS5_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %3, i64 noundef %132) #6
  %134 = 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) %133)
          to label %135 unwind label %141

135:                                              ; preds = %131
  %136 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) %134, ptr noundef @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
          to label %137 unwind label %141

137:                                              ; preds = %135
  br label %138

138:                                              ; preds = %137
  %139 = load i64, ptr %12, align 8, !tbaa !5
  %140 = add nsw i64 %139, 1
  store i64 %140, ptr %12, align 8, !tbaa !5
  br label %126, !llvm.loop !14

141:                                              ; preds = %135, %131
  %142 = landingpad { ptr, i32 }
          cleanup
  %143 = extractvalue { ptr, i32 } %142, 0
  store ptr %143, ptr %5, align 8
  %144 = extractvalue { ptr, i32 } %142, 1
  store i32 %144, ptr %6, align 4
  call void @llvm.lifetime.end.p0(i64 8, ptr %12) #6
  br label %147

145:                                              ; preds = %130
  store i32 0, ptr %1, align 4
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %8) #6
  call void @llvm.lifetime.end.p0(i64 32, ptr %8) #6
  call void @_ZNSt6vectorINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESaIS5_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %3) #6
  call void @llvm.lifetime.end.p0(i64 24, ptr %3) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr %2) #6
  %146 = load i32, ptr %1, align 4
  ret i32 %146

147:                                              ; preds = %141, %124
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %8) #6
  br label %148

148:                                              ; preds = %147, %49
  call void @llvm.lifetime.end.p0(i64 32, ptr %8) #6
  br label %149

149:                                              ; preds = %148, %34
  call void @_ZNSt6vectorINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESaIS5_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %3) #6
  br label %150

150:                                              ; preds = %149, %22
  call void @llvm.lifetime.end.p0(i64 24, ptr %3) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr %2) #6
  br label %151

151:                                              ; preds = %150
  %152 = load ptr, ptr %5, align 8
  %153 = load i32, ptr %6, align 4
  %154 = insertvalue { ptr, i32 } poison, ptr %152, 0
  %155 = insertvalue { ptr, i32 } %154, i32 %153, 1
  resume { ptr, i32 } %155
}

declare noundef zeroext i1 @_ZNSt8ios_base15sync_with_stdioEb(i1 noundef zeroext) #1

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

; Function Attrs: mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERl(ptr noundef nonnull align 8 dereferenceable(16), ptr noundef nonnull align 8 dereferenceable(8)) #3 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSaINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEEC2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #4 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESaIS5_EEC2EmRKS6_(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef, ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #3 align 2

declare i32 @__gxx_personality_v0(...)

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

; 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) #4 align 2

; Function Attrs: mustprogress uwtable
declare void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2ERKS4_(ptr noundef nonnull align 8 dereferenceable(32), ptr noundef nonnull align 8 dereferenceable(32)) unnamed_addr #3 align 2

; Function Attrs: mustprogress nounwind uwtable
declare noundef i64 @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(32)) #4 align 2

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

; Function Attrs: mustprogress uwtable
declare 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) #3 align 2

; Function Attrs: mustprogress nounwind uwtable
declare noundef nonnull align 8 dereferenceable(32) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEaSEOS4_(ptr noundef nonnull align 8 dereferenceable(32), ptr noundef nonnull align 8 dereferenceable(32)) #4 align 2

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

; Function Attrs: mustprogress 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)) #3 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)) #5

; Function Attrs: mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef) #3 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)) #5

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESaIS5_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #4 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt15__new_allocatorINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEED2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #4 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 = { "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 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #3 = { 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 #4 = { mustprogress nounwind uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #5 = { inlinehint mustprogress uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #6 = { nounwind }

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

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


; Optimized IR (opt -passes='default<O3>'):
target datalayout = "e-m:e-p270:32:32-p271:32:32-p272:64:64-i64:64-i128:128-f80:128-n8:16:32:64-S128"
target triple = "x86_64-unknown-linux-gnu"

%"class.std::basic_istream" = type { ptr, i64, %"class.std::basic_ios" }
%"class.std::basic_ios" = type { %"class.std::ios_base", ptr, i8, i8, ptr, ptr, ptr, ptr }
%"class.std::ios_base" = type { ptr, i64, i64, i32, i32, i32, ptr, %"struct.std::ios_base::_Words", [8 x %"struct.std::ios_base::_Words"], i32, ptr, %"class.std::locale" }
%"struct.std::ios_base::_Words" = type { ptr, i64 }
%"class.std::locale" = type { ptr }
%"class.std::basic_ostream" = type { ptr, %"class.std::basic_ios" }
%"class.std::vector" = type { %"struct.std::_Vector_base" }
%"struct.std::_Vector_base" = type { %"struct.std::_Vector_base<std::__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::allocator" = type { i8 }
%"class.std::__cxx11::basic_string" = type { %"struct.std::__cxx11::basic_string<char>::_Alloc_hider", i64, %union.anon }
%"struct.std::__cxx11::basic_string<char>::_Alloc_hider" = type { ptr }
%union.anon = type { i64, [8 x i8] }

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

; Function Attrs: mustprogress norecurse uwtable
define dso_local noundef i32 @main() local_unnamed_addr #0 personality ptr @__gxx_personality_v0 {
  %1 = alloca i64, align 8
  %2 = alloca %"class.std::vector", align 8
  %3 = alloca %"class.std::allocator", align 1
  %4 = alloca %"class.std::__cxx11::basic_string", align 8
  %5 = alloca %"class.std::__cxx11::basic_string", align 8
  %6 = tail call noundef zeroext i1 @_ZNSt8ios_base15sync_with_stdioEb(i1 noundef zeroext false)
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %1) #6
  %7 = call noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERl(ptr noundef nonnull align 8 dereferenceable(16) @_ZSt3cin, ptr noundef nonnull align 8 dereferenceable(8) %1)
  call void @llvm.lifetime.start.p0(i64 24, ptr nonnull %2) #6
  %8 = load i64, ptr %1, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 1, ptr nonnull %3) #6
  call void @_ZNSaINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %3) #6
  invoke void @_ZNSt6vectorINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESaIS5_EEC2EmRKS6_(ptr noundef nonnull align 8 dereferenceable(24) %2, i64 noundef %8, ptr noundef nonnull align 1 dereferenceable(1) %3)
          to label %9 unwind label %14

9:                                                ; preds = %0
  call void @_ZNSt15__new_allocatorINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %3) #6
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %3) #6
  %10 = load i64, ptr %1, align 8, !tbaa !5
  %11 = icmp sgt i64 %10, 0
  br i1 %11, label %.lr.ph, label %._crit_edge

._crit_edge:                                      ; preds = %18, %9
  %.lcssa = phi i64 [ %10, %9 ], [ %20, %18 ]
  call void @llvm.lifetime.start.p0(i64 32, ptr nonnull %4) #6
  %12 = add nsw i64 %.lcssa, -1
  %13 = call noundef nonnull align 8 dereferenceable(32) ptr @_ZNSt6vectorINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESaIS5_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %2, i64 noundef %12) #6
  invoke void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2ERKS4_(ptr noundef nonnull align 8 dereferenceable(32) %4, ptr noundef nonnull align 8 dereferenceable(32) %13)
          to label %24 unwind label %32

14:                                               ; preds = %0
  %15 = landingpad { ptr, i32 }
          cleanup
  call void @_ZNSt15__new_allocatorINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %3) #6
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %3) #6
  br label %82

.lr.ph:                                           ; preds = %9, %18
  %.02744 = phi i64 [ %19, %18 ], [ 0, %9 ]
  %16 = call noundef nonnull align 8 dereferenceable(32) ptr @_ZNSt6vectorINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESaIS5_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %2, i64 noundef %.02744) #6
  %17 = 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) %16)
          to label %18 unwind label %22

18:                                               ; preds = %.lr.ph
  %19 = add nuw nsw i64 %.02744, 1
  %20 = load i64, ptr %1, align 8, !tbaa !5
  %21 = icmp slt i64 %19, %20
  br i1 %21, label %.lr.ph, label %._crit_edge, !llvm.loop !9

22:                                               ; preds = %.lr.ph
  %23 = landingpad { ptr, i32 }
          cleanup
  br label %81

24:                                               ; preds = %._crit_edge
  %25 = load i64, ptr %1, align 8, !tbaa !5
  %26 = icmp sgt i64 %25, 1
  br i1 %26, label %.preheader41.preheader, label %.preheader

.preheader41.preheader:                           ; preds = %24
  %27 = add nsw i64 %25, -2
  br label %.preheader41

.preheader41:                                     ; preds = %.preheader41.preheader, %64
  %.02652 = phi i64 [ %65, %64 ], [ %27, %.preheader41.preheader ]
  %28 = call noundef nonnull align 8 dereferenceable(32) ptr @_ZNSt6vectorINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESaIS5_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %2, i64 noundef %.02652) #6
  %29 = call noundef i64 @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(32) %28) #6
  %.not57 = icmp eq i64 %29, 0
  br i1 %.not57, label %.loopexit, label %.lr.ph46

.preheader.loopexit:                              ; preds = %64
  %.pre = load i64, ptr %1, align 8, !tbaa !5
  br label %.preheader

.preheader:                                       ; preds = %.preheader.loopexit, %24
  %30 = phi i64 [ %.pre, %.preheader.loopexit ], [ %25, %24 ]
  %31 = icmp sgt i64 %30, 0
  br i1 %31, label %.lr.ph55, label %._crit_edge56

32:                                               ; preds = %._crit_edge
  %33 = landingpad { ptr, i32 }
          cleanup
  br label %80

.lr.ph46:                                         ; preds = %.preheader41, %53
  %.02545 = phi i64 [ %54, %53 ], [ 0, %.preheader41 ]
  %34 = call noundef i64 @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(32) %4) #6
  %.not = icmp ult i64 %.02545, %34
  br i1 %.not, label %35, label %.loopexit

35:                                               ; preds = %.lr.ph46
  %36 = call noundef nonnull align 8 dereferenceable(32) ptr @_ZNSt6vectorINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESaIS5_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %2, i64 noundef %.02652) #6
  %37 = call noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %36, i64 noundef %.02545)
  %38 = load i8, ptr %37, align 1, !tbaa !11
  %39 = call noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %4, i64 noundef %.02545)
  %40 = load i8, ptr %39, align 1, !tbaa !11
  %41 = icmp slt i8 %38, %40
  %42 = call noundef nonnull align 8 dereferenceable(32) ptr @_ZNSt6vectorINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESaIS5_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %2, i64 noundef %.02652) #6
  br i1 %41, label %43, label %47

43:                                               ; preds = %35
  %44 = call noundef i64 @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(32) %42) #6
  br label %.loopexit

45:                                               ; preds = %59
  %46 = landingpad { ptr, i32 }
          cleanup
  br label %79

47:                                               ; preds = %35
  %48 = call noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %42, i64 noundef %.02545)
  %49 = load i8, ptr %48, align 1, !tbaa !11
  %50 = call noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %4, i64 noundef %.02545)
  %51 = load i8, ptr %50, align 1, !tbaa !11
  %52 = icmp sgt i8 %49, %51
  br i1 %52, label %.loopexit, label %53

53:                                               ; preds = %47
  %54 = add nuw nsw i64 %.02545, 1
  %55 = call noundef nonnull align 8 dereferenceable(32) ptr @_ZNSt6vectorINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESaIS5_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %2, i64 noundef %.02652) #6
  %56 = call noundef i64 @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(32) %55) #6
  %57 = icmp ult i64 %54, %56
  br i1 %57, label %.lr.ph46, label %.loopexit, !llvm.loop !12

.loopexit:                                        ; preds = %53, %.lr.ph46, %47, %.preheader41, %43
  %.1 = phi i64 [ %44, %43 ], [ 0, %.preheader41 ], [ %54, %53 ], [ %.02545, %.lr.ph46 ], [ %.02545, %47 ]
  call void @llvm.lifetime.start.p0(i64 32, ptr nonnull %5) #6
  %58 = call noundef nonnull align 8 dereferenceable(32) ptr @_ZNSt6vectorINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESaIS5_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %2, i64 noundef %.02652) #6
  invoke void @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE6substrEmm(ptr dead_on_unwind nonnull writable sret(%"class.std::__cxx11::basic_string") align 8 %5, ptr noundef nonnull align 8 dereferenceable(32) %58, i64 noundef 0, i64 noundef %.1)
          to label %59 unwind label %67

59:                                               ; preds = %.loopexit
  %60 = call noundef nonnull align 8 dereferenceable(32) ptr @_ZNSt6vectorINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESaIS5_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %2, i64 noundef %.02652) #6
  %61 = call noundef nonnull align 8 dereferenceable(32) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEaSEOS4_(ptr noundef nonnull align 8 dereferenceable(32) %60, ptr noundef nonnull align 8 dereferenceable(32) %5) #6
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %5) #6
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %5) #6
  %62 = call noundef nonnull align 8 dereferenceable(32) ptr @_ZNSt6vectorINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESaIS5_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %2, i64 noundef %.02652) #6
  %63 = invoke noundef nonnull align 8 dereferenceable(32) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEaSERKS4_(ptr noundef nonnull align 8 dereferenceable(32) %4, ptr noundef nonnull align 8 dereferenceable(32) %62)
          to label %64 unwind label %45

64:                                               ; preds = %59
  %65 = add nsw i64 %.02652, -1
  %66 = icmp sgt i64 %.02652, 0
  br i1 %66, label %.preheader41, label %.preheader.loopexit, !llvm.loop !13

67:                                               ; preds = %.loopexit
  %68 = landingpad { ptr, i32 }
          cleanup
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %5) #6
  br label %79

._crit_edge56:                                    ; preds = %73, %.preheader
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %4) #6
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %4) #6
  call void @_ZNSt6vectorINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESaIS5_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %2) #6
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %2) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %1) #6
  ret i32 0

.lr.ph55:                                         ; preds = %.preheader, %73
  %.054 = phi i64 [ %74, %73 ], [ 0, %.preheader ]
  %69 = call noundef nonnull align 8 dereferenceable(32) ptr @_ZNSt6vectorINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESaIS5_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %2, i64 noundef %.054) #6
  %70 = 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) %69)
          to label %71 unwind label %77

71:                                               ; preds = %.lr.ph55
  %72 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) %70, ptr noundef nonnull @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
          to label %73 unwind label %77

73:                                               ; preds = %71
  %74 = add nuw nsw i64 %.054, 1
  %75 = load i64, ptr %1, align 8, !tbaa !5
  %76 = icmp slt i64 %74, %75
  br i1 %76, label %.lr.ph55, label %._crit_edge56, !llvm.loop !14

77:                                               ; preds = %71, %.lr.ph55
  %78 = landingpad { ptr, i32 }
          cleanup
  br label %79

79:                                               ; preds = %45, %67, %77
  %.pn.pn = phi { ptr, i32 } [ %78, %77 ], [ %46, %45 ], [ %68, %67 ]
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %4) #6
  br label %80

80:                                               ; preds = %79, %32
  %.pn.pn.pn = phi { ptr, i32 } [ %.pn.pn, %79 ], [ %33, %32 ]
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %4) #6
  br label %81

81:                                               ; preds = %80, %22
  %.pn38 = phi { ptr, i32 } [ %23, %22 ], [ %.pn.pn.pn, %80 ]
  call void @_ZNSt6vectorINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESaIS5_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %2) #6
  br label %82

82:                                               ; preds = %81, %14
  %.pn38.pn = phi { ptr, i32 } [ %.pn38, %81 ], [ %15, %14 ]
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %2) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %1) #6
  resume { ptr, i32 } %.pn38.pn
}

declare noundef zeroext i1 @_ZNSt8ios_base15sync_with_stdioEb(i1 noundef zeroext) local_unnamed_addr #1

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

; Function Attrs: mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(16) ptr @_ZNSirsERl(ptr noundef nonnull align 8 dereferenceable(16), ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #3 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSaINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEEC2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #4 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESaIS5_EEC2EmRKS6_(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef, ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #3 align 2

declare i32 @__gxx_personality_v0(...)

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

; 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 #4 align 2

; Function Attrs: mustprogress uwtable
declare void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2ERKS4_(ptr noundef nonnull align 8 dereferenceable(32), ptr noundef nonnull align 8 dereferenceable(32)) unnamed_addr #3 align 2

; Function Attrs: mustprogress nounwind uwtable
declare noundef i64 @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(32)) local_unnamed_addr #4 align 2

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

; Function Attrs: mustprogress uwtable
declare 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 #3 align 2

; Function Attrs: mustprogress nounwind uwtable
declare noundef nonnull align 8 dereferenceable(32) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEaSEOS4_(ptr noundef nonnull align 8 dereferenceable(32), ptr noundef nonnull align 8 dereferenceable(32)) local_unnamed_addr #4 align 2

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

; Function Attrs: mustprogress 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 #3 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 #5

; 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 #3 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)) #5

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEESaIS5_EED2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #4 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt15__new_allocatorINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEED2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #4 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 = { "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 = { mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #3 = { 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 #4 = { mustprogress nounwind uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #5 = { inlinehint mustprogress uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #6 = { nounwind }

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

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


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