; LLVM IR from DionysiosB/CodeForces :: 0001-0099 (39J-SpellingCheck)

; 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::__cxx11::basic_string" = type { %"struct.std::__cxx11::basic_string<char>::_Alloc_hider", i64, %union.anon }
%"struct.std::__cxx11::basic_string<char>::_Alloc_hider" = type { ptr }
%union.anon = type { i64, [8 x i8] }
%"class.std::vector" = type { %"struct.std::_Vector_base" }
%"struct.std::_Vector_base" = type { %"struct.std::_Vector_base<long, std::allocator<long>>::_Vector_impl" }
%"struct.std::_Vector_base<long, std::allocator<long>>::_Vector_impl" = type { %"struct.std::_Vector_base<long, std::allocator<long>>::_Vector_impl_data" }
%"struct.std::_Vector_base<long, std::allocator<long>>::_Vector_impl_data" = type { ptr, ptr, ptr }

@_ZSt3cin = external global %"class.std::basic_istream", align 8
@.str = external hidden unnamed_addr constant [5 x i8], align 1
@.str.1 = external hidden unnamed_addr constant [5 x i8], align 1
@.str.2 = external hidden unnamed_addr constant [1 x i8], align 1
@.str.3 = 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::__cxx11::basic_string", align 8
  %3 = alloca %"class.std::__cxx11::basic_string", align 8
  %4 = alloca ptr, align 8
  %5 = alloca i32, align 4
  %6 = alloca i64, align 8
  %7 = alloca i64, align 8
  %8 = alloca i8, align 1
  %9 = alloca i8, align 1
  %10 = alloca i64, align 8
  %11 = alloca i32, align 4
  %12 = alloca %"class.std::vector", align 8
  %13 = alloca i64, align 8
  %14 = alloca i64, align 8
  %15 = alloca i64, align 8
  store i32 0, ptr %1, align 4
  %16 = call noundef zeroext i1 @_ZNSt8ios_base15sync_with_stdioEb(i1 noundef zeroext false)
  call void @llvm.lifetime.start.p0(i64 32, ptr %2) #5
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2Ev(ptr noundef nonnull align 8 dereferenceable(32) %2) #5
  call void @llvm.lifetime.start.p0(i64 32, ptr %3) #5
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2Ev(ptr noundef nonnull align 8 dereferenceable(32) %3) #5
  %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) %2)
          to label %18 unwind label %28

18:                                               ; preds = %0
  %19 = 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) %17, ptr noundef nonnull align 8 dereferenceable(32) %3)
          to label %20 unwind label %28

20:                                               ; preds = %18
  call void @llvm.lifetime.start.p0(i64 8, ptr %6) #5
  store i64 0, ptr %6, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %7) #5
  %21 = call noundef i64 @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(32) %2) #5
  %22 = sub i64 %21, 1
  store i64 %22, ptr %7, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 1, ptr %8) #5
  store i8 0, ptr %8, align 1, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 1, ptr %9) #5
  store i8 1, ptr %9, align 1, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 8, ptr %10) #5
  store i64 0, ptr %10, align 8, !tbaa !5
  br label %23

23:                                               ; preds = %74, %20
  %24 = load i64, ptr %10, align 8, !tbaa !5
  %25 = call noundef i64 @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(32) %3) #5
  %26 = icmp ult i64 %24, %25
  br i1 %26, label %32, label %27

27:                                               ; preds = %23
  store i32 2, ptr %11, align 4
  br label %77

28:                                               ; preds = %18, %0
  %29 = landingpad { ptr, i32 }
          cleanup
  %30 = extractvalue { ptr, i32 } %29, 0
  store ptr %30, ptr %4, align 8
  %31 = extractvalue { ptr, i32 } %29, 1
  store i32 %31, ptr %5, align 4
  br label %159

32:                                               ; preds = %23
  %33 = load i64, ptr %10, align 8, !tbaa !5
  %34 = invoke noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %3, i64 noundef %33)
          to label %35 unwind label %47

35:                                               ; preds = %32
  %36 = load i8, ptr %34, align 1, !tbaa !11
  %37 = sext i8 %36 to i32
  %38 = load i64, ptr %6, align 8, !tbaa !5
  %39 = invoke noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %2, i64 noundef %38)
          to label %40 unwind label %47

40:                                               ; preds = %35
  %41 = load i8, ptr %39, align 1, !tbaa !11
  %42 = sext i8 %41 to i32
  %43 = icmp eq i32 %37, %42
  br i1 %43, label %44, label %51

44:                                               ; preds = %40
  %45 = load i64, ptr %6, align 8, !tbaa !5
  %46 = add nsw i64 %45, 1
  store i64 %46, ptr %6, align 8, !tbaa !5
  br label %73

47:                                               ; preds = %57, %54, %35, %32
  %48 = landingpad { ptr, i32 }
          cleanup
  %49 = extractvalue { ptr, i32 } %48, 0
  store ptr %49, ptr %4, align 8
  %50 = extractvalue { ptr, i32 } %48, 1
  store i32 %50, ptr %5, align 4
  call void @llvm.lifetime.end.p0(i64 8, ptr %10) #5
  br label %158

51:                                               ; preds = %40
  %52 = load i8, ptr %8, align 1, !tbaa !9, !range !12, !noundef !13
  %53 = trunc i8 %52 to i1
  br i1 %53, label %71, label %54

54:                                               ; preds = %51
  %55 = load i64, ptr %10, align 8, !tbaa !5
  %56 = invoke noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %3, i64 noundef %55)
          to label %57 unwind label %47

57:                                               ; preds = %54
  %58 = load i8, ptr %56, align 1, !tbaa !11
  %59 = sext i8 %58 to i32
  %60 = load i64, ptr %6, align 8, !tbaa !5
  %61 = add nsw i64 %60, 1
  %62 = invoke noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %2, i64 noundef %61)
          to label %63 unwind label %47

63:                                               ; preds = %57
  %64 = load i8, ptr %62, align 1, !tbaa !11
  %65 = sext i8 %64 to i32
  %66 = icmp eq i32 %59, %65
  br i1 %66, label %67, label %71

67:                                               ; preds = %63
  %68 = load i64, ptr %6, align 8, !tbaa !5
  store i64 %68, ptr %7, align 8, !tbaa !5
  %69 = load i64, ptr %6, align 8, !tbaa !5
  %70 = add nsw i64 %69, 2
  store i64 %70, ptr %6, align 8, !tbaa !5
  store i8 1, ptr %8, align 1, !tbaa !9
  br label %72

71:                                               ; preds = %63, %51
  store i8 0, ptr %9, align 1, !tbaa !9
  store i32 2, ptr %11, align 4
  br label %77

72:                                               ; preds = %67
  br label %73

73:                                               ; preds = %72, %44
  br label %74

74:                                               ; preds = %73
  %75 = load i64, ptr %10, align 8, !tbaa !5
  %76 = add nsw i64 %75, 1
  store i64 %76, ptr %10, align 8, !tbaa !5
  br label %23, !llvm.loop !14

77:                                               ; preds = %71, %27
  call void @llvm.lifetime.end.p0(i64 8, ptr %10) #5
  br label %78

78:                                               ; preds = %77
  %79 = load i8, ptr %9, align 1, !tbaa !9, !range !12, !noundef !13
  %80 = trunc i8 %79 to i1
  br i1 %80, label %81, label %149

81:                                               ; preds = %78
  call void @llvm.lifetime.start.p0(i64 24, ptr %12) #5
  call void @_ZNSt6vectorIlSaIlEEC2Ev(ptr noundef nonnull align 8 dereferenceable(24) %12) #5
  call void @llvm.lifetime.start.p0(i64 8, ptr %13) #5
  %82 = load i64, ptr %7, align 8, !tbaa !5
  store i64 %82, ptr %13, align 8, !tbaa !5
  br label %83

83:                                               ; preds = %113, %81
  %84 = load i64, ptr %13, align 8, !tbaa !5
  %85 = icmp sge i64 %84, 0
  br i1 %85, label %87, label %86

86:                                               ; preds = %83
  store i32 5, ptr %11, align 4
  br label %116

87:                                               ; preds = %83
  %88 = load i64, ptr %13, align 8, !tbaa !5
  %89 = invoke noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %2, i64 noundef %88)
          to label %90 unwind label %103

90:                                               ; preds = %87
  %91 = load i8, ptr %89, align 1, !tbaa !11
  %92 = sext i8 %91 to i32
  %93 = load i64, ptr %7, align 8, !tbaa !5
  %94 = invoke noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %2, i64 noundef %93)
          to label %95 unwind label %103

95:                                               ; preds = %90
  %96 = load i8, ptr %94, align 1, !tbaa !11
  %97 = sext i8 %96 to i32
  %98 = icmp eq i32 %92, %97
  br i1 %98, label %99, label %111

99:                                               ; preds = %95
  call void @llvm.lifetime.start.p0(i64 8, ptr %14) #5
  %100 = load i64, ptr %13, align 8, !tbaa !5
  %101 = add nsw i64 %100, 1
  store i64 %101, ptr %14, align 8, !tbaa !5
  invoke void @_ZNSt6vectorIlSaIlEE9push_backEOl(ptr noundef nonnull align 8 dereferenceable(24) %12, ptr noundef nonnull align 8 dereferenceable(8) %14)
          to label %102 unwind label %107

102:                                              ; preds = %99
  call void @llvm.lifetime.end.p0(i64 8, ptr %14) #5
  br label %112

103:                                              ; preds = %90, %87
  %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
  br label %117

107:                                              ; preds = %99
  %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
  call void @llvm.lifetime.end.p0(i64 8, ptr %14) #5
  br label %117

111:                                              ; preds = %95
  store i32 5, ptr %11, align 4
  br label %116

112:                                              ; preds = %102
  br label %113

113:                                              ; preds = %112
  %114 = load i64, ptr %13, align 8, !tbaa !5
  %115 = add nsw i64 %114, -1
  store i64 %115, ptr %13, align 8, !tbaa !5
  br label %83, !llvm.loop !16

116:                                              ; preds = %111, %86
  call void @llvm.lifetime.end.p0(i64 8, ptr %13) #5
  br label %118

117:                                              ; preds = %107, %103
  call void @llvm.lifetime.end.p0(i64 8, ptr %13) #5
  br label %148

118:                                              ; preds = %116
  %119 = call noundef i64 @_ZNKSt6vectorIlSaIlEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24) %12) #5
  %120 = invoke i32 (ptr, ...) @printf(ptr noundef @.str, i64 noundef %119)
          to label %121 unwind label %128

121:                                              ; preds = %118
  call void @llvm.lifetime.start.p0(i64 8, ptr %15) #5
  %122 = call noundef i64 @_ZNKSt6vectorIlSaIlEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24) %12) #5
  %123 = sub i64 %122, 1
  store i64 %123, ptr %15, align 8, !tbaa !5
  br label %124

124:                                              ; preds = %138, %121
  %125 = load i64, ptr %15, align 8, !tbaa !5
  %126 = icmp sge i64 %125, 0
  br i1 %126, label %132, label %127

127:                                              ; preds = %124
  store i32 8, ptr %11, align 4
  call void @llvm.lifetime.end.p0(i64 8, ptr %15) #5
  br label %145

128:                                              ; preds = %145, %118
  %129 = landingpad { ptr, i32 }
          cleanup
  %130 = extractvalue { ptr, i32 } %129, 0
  store ptr %130, ptr %4, align 8
  %131 = extractvalue { ptr, i32 } %129, 1
  store i32 %131, ptr %5, align 4
  br label %148

132:                                              ; preds = %124
  %133 = load i64, ptr %15, align 8, !tbaa !5
  %134 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIlSaIlEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %12, i64 noundef %133) #5
  %135 = load i64, ptr %134, align 8, !tbaa !5
  %136 = invoke i32 (ptr, ...) @printf(ptr noundef @.str.1, i64 noundef %135)
          to label %137 unwind label %141

137:                                              ; preds = %132
  br label %138

138:                                              ; preds = %137
  %139 = load i64, ptr %15, align 8, !tbaa !5
  %140 = add nsw i64 %139, -1
  store i64 %140, ptr %15, align 8, !tbaa !5
  br label %124, !llvm.loop !17

141:                                              ; preds = %132
  %142 = landingpad { ptr, i32 }
          cleanup
  %143 = extractvalue { ptr, i32 } %142, 0
  store ptr %143, ptr %4, align 8
  %144 = extractvalue { ptr, i32 } %142, 1
  store i32 %144, ptr %5, align 4
  call void @llvm.lifetime.end.p0(i64 8, ptr %15) #5
  br label %148

145:                                              ; preds = %127
  %146 = invoke i32 @puts(ptr noundef @.str.2)
          to label %147 unwind label %128

147:                                              ; preds = %145
  call void @_ZNSt6vectorIlSaIlEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %12) #5
  call void @llvm.lifetime.end.p0(i64 24, ptr %12) #5
  br label %156

148:                                              ; preds = %141, %128, %117
  call void @_ZNSt6vectorIlSaIlEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %12) #5
  call void @llvm.lifetime.end.p0(i64 24, ptr %12) #5
  br label %158

149:                                              ; preds = %78
  %150 = invoke i32 @puts(ptr noundef @.str.3)
          to label %151 unwind label %152

151:                                              ; preds = %149
  br label %156

152:                                              ; preds = %149
  %153 = landingpad { ptr, i32 }
          cleanup
  %154 = extractvalue { ptr, i32 } %153, 0
  store ptr %154, ptr %4, align 8
  %155 = extractvalue { ptr, i32 } %153, 1
  store i32 %155, ptr %5, align 4
  br label %158

156:                                              ; preds = %151, %147
  store i32 0, ptr %1, align 4
  store i32 1, ptr %11, align 4
  call void @llvm.lifetime.end.p0(i64 1, ptr %9) #5
  call void @llvm.lifetime.end.p0(i64 1, ptr %8) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr %7) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr %6) #5
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %3) #5
  call void @llvm.lifetime.end.p0(i64 32, ptr %3) #5
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %2) #5
  call void @llvm.lifetime.end.p0(i64 32, ptr %2) #5
  %157 = load i32, ptr %1, align 4
  ret i32 %157

158:                                              ; preds = %152, %148, %47
  call void @llvm.lifetime.end.p0(i64 1, ptr %9) #5
  call void @llvm.lifetime.end.p0(i64 1, ptr %8) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr %7) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr %6) #5
  br label %159

159:                                              ; preds = %158, %28
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %3) #5
  call void @llvm.lifetime.end.p0(i64 32, ptr %3) #5
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %2) #5
  call void @llvm.lifetime.end.p0(i64 32, ptr %2) #5
  br label %160

160:                                              ; preds = %159
  %161 = load ptr, ptr %4, align 8
  %162 = load i32, ptr %5, align 4
  %163 = insertvalue { ptr, i32 } poison, ptr %161, 0
  %164 = insertvalue { ptr, i32 } %163, i32 %162, 1
  resume { ptr, i32 } %164
}

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 nounwind uwtable
declare void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2Ev(ptr noundef nonnull align 8 dereferenceable(32)) unnamed_addr #3 align 2

declare noundef nonnull align 8 dereferenceable(16) ptr @_ZStrsIcSt11char_traitsIcESaIcEERSt13basic_istreamIT_T0_ES7_RNSt7__cxx1112basic_stringIS4_S5_T1_EE(ptr noundef nonnull align 8 dereferenceable(16), ptr noundef nonnull align 8 dereferenceable(32)) #1

declare i32 @__gxx_personality_v0(...)

; Function Attrs: mustprogress nounwind uwtable
declare noundef i64 @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(32)) #3 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) #3 align 2

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

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorIlSaIlEEC2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #3 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorIlSaIlEE9push_backEOl(ptr noundef nonnull align 8 dereferenceable(24), ptr noundef nonnull align 8 dereferenceable(8)) #4 align 2

declare i32 @printf(ptr noundef, ...) #1

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef i64 @_ZNKSt6vectorIlSaIlEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24)) #3 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIlSaIlEEixEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) #3 align 2

declare i32 @puts(ptr noundef) #1

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorIlSaIlEED2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #3 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

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 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 = { mustprogress uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #5 = { 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 = !{!10, !10, i64 0}
!10 = !{!"bool", !7, i64 0}
!11 = !{!7, !7, i64 0}
!12 = !{i8 0, i8 2}
!13 = !{}
!14 = distinct !{!14, !15}
!15 = !{!"llvm.loop.mustprogress"}
!16 = distinct !{!16, !15}
!17 = distinct !{!17, !15}


; 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::__cxx11::basic_string" = type { %"struct.std::__cxx11::basic_string<char>::_Alloc_hider", i64, %union.anon }
%"struct.std::__cxx11::basic_string<char>::_Alloc_hider" = type { ptr }
%union.anon = type { i64, [8 x i8] }
%"class.std::vector" = type { %"struct.std::_Vector_base" }
%"struct.std::_Vector_base" = type { %"struct.std::_Vector_base<long, std::allocator<long>>::_Vector_impl" }
%"struct.std::_Vector_base<long, std::allocator<long>>::_Vector_impl" = type { %"struct.std::_Vector_base<long, std::allocator<long>>::_Vector_impl_data" }
%"struct.std::_Vector_base<long, std::allocator<long>>::_Vector_impl_data" = type { ptr, ptr, ptr }

@_ZSt3cin = external global %"class.std::basic_istream", align 8
@.str = external hidden unnamed_addr constant [5 x i8], align 1
@.str.1 = external hidden unnamed_addr constant [5 x i8], align 1
@.str.2 = external hidden unnamed_addr constant [1 x i8], align 1
@.str.3 = 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::__cxx11::basic_string", align 8
  %2 = alloca %"class.std::__cxx11::basic_string", align 8
  %3 = alloca %"class.std::vector", align 8
  %4 = alloca i64, align 8
  %5 = tail call noundef zeroext i1 @_ZNSt8ios_base15sync_with_stdioEb(i1 noundef zeroext false)
  call void @llvm.lifetime.start.p0(i64 32, ptr nonnull %1) #6
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2Ev(ptr noundef nonnull align 8 dereferenceable(32) %1) #6
  call void @llvm.lifetime.start.p0(i64 32, ptr nonnull %2) #6
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2Ev(ptr noundef nonnull align 8 dereferenceable(32) %2) #6
  %6 = 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) %1)
          to label %7 unwind label %13

7:                                                ; preds = %0
  %8 = 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) %6, ptr noundef nonnull align 8 dereferenceable(32) %2)
          to label %9 unwind label %13

9:                                                ; preds = %7
  %10 = call noundef i64 @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(32) %1) #6
  %11 = add i64 %10, -1
  %12 = call noundef i64 @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(32) %2) #6
  %.not34.not = icmp eq i64 %12, 0
  br i1 %.not34.not, label %.critedge, label %.lr.ph

13:                                               ; preds = %7, %0
  %14 = landingpad { ptr, i32 }
          cleanup
  br label %56

.lr.ph:                                           ; preds = %9, %28
  %.02338 = phi i64 [ %30, %28 ], [ 0, %9 ]
  %.02537 = phi i1 [ %.1, %28 ], [ false, %9 ]
  %.02636 = phi i64 [ %.127, %28 ], [ %11, %9 ]
  %.02835 = phi i64 [ %29, %28 ], [ 0, %9 ]
  %15 = call noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %2, i64 noundef %.02338)
  %16 = load i8, ptr %15, align 1, !tbaa !5
  %17 = call noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %1, i64 noundef %.02835)
  %18 = load i8, ptr %17, align 1, !tbaa !5
  %19 = icmp eq i8 %16, %18
  br i1 %19, label %28, label %20

20:                                               ; preds = %.lr.ph
  br i1 %.02537, label %53, label %21

21:                                               ; preds = %20
  %22 = call noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %2, i64 noundef %.02338)
  %23 = load i8, ptr %22, align 1, !tbaa !5
  %24 = add nuw nsw i64 %.02835, 1
  %25 = call noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %1, i64 noundef %24)
  %26 = load i8, ptr %25, align 1, !tbaa !5
  %27 = icmp eq i8 %23, %26
  br i1 %27, label %28, label %53

28:                                               ; preds = %21, %.lr.ph
  %.sink = phi i64 [ 1, %.lr.ph ], [ 2, %21 ]
  %.127 = phi i64 [ %.02636, %.lr.ph ], [ %.02835, %21 ]
  %.1 = phi i1 [ %.02537, %.lr.ph ], [ true, %21 ]
  %29 = add nuw nsw i64 %.02835, %.sink
  %30 = add nuw nsw i64 %.02338, 1
  %31 = call noundef i64 @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(32) %2) #6
  %.not = icmp ult i64 %30, %31
  br i1 %.not, label %.lr.ph, label %.critedge, !llvm.loop !8

.critedge:                                        ; preds = %28, %9
  %.026.lcssa = phi i64 [ %11, %9 ], [ %.127, %28 ]
  call void @llvm.lifetime.start.p0(i64 24, ptr nonnull %3) #6
  call void @_ZNSt6vectorIlSaIlEEC2Ev(ptr noundef nonnull align 8 dereferenceable(24) %3) #6
  %32 = icmp sgt i64 %.026.lcssa, -1
  br i1 %32, label %.lr.ph40, label %._crit_edge

.lr.ph40:                                         ; preds = %.critedge, %40
  %.02239 = phi i64 [ %41, %40 ], [ %.026.lcssa, %.critedge ]
  %33 = call noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %1, i64 noundef %.02239)
  %34 = load i8, ptr %33, align 1, !tbaa !5
  %35 = call noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %1, i64 noundef %.026.lcssa)
  %36 = load i8, ptr %35, align 1, !tbaa !5
  %37 = icmp eq i8 %34, %36
  br i1 %37, label %38, label %._crit_edge

38:                                               ; preds = %.lr.ph40
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %4) #6
  %39 = add nuw nsw i64 %.02239, 1
  store i64 %39, ptr %4, align 8, !tbaa !10
  invoke void @_ZNSt6vectorIlSaIlEE9push_backEOl(ptr noundef nonnull align 8 dereferenceable(24) %3, ptr noundef nonnull align 8 dereferenceable(8) %4)
          to label %40 unwind label %43

40:                                               ; preds = %38
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %4) #6
  %41 = add nsw i64 %.02239, -1
  %42 = icmp sgt i64 %.02239, 0
  br i1 %42, label %.lr.ph40, label %._crit_edge, !llvm.loop !12

43:                                               ; preds = %38
  %44 = landingpad { ptr, i32 }
          cleanup
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %4) #6
  call void @_ZNSt6vectorIlSaIlEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %3) #6
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %3) #6
  br label %56

._crit_edge:                                      ; preds = %40, %.lr.ph40, %.critedge
  %45 = call noundef i64 @_ZNKSt6vectorIlSaIlEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24) %3) #6
  %46 = call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(1) @.str, i64 noundef %45)
  %47 = call noundef i64 @_ZNKSt6vectorIlSaIlEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(24) %3) #6
  %.042 = add i64 %47, -1
  %48 = icmp sgt i64 %.042, -1
  br i1 %48, label %.lr.ph45, label %._crit_edge46

._crit_edge46:                                    ; preds = %.lr.ph45, %._crit_edge
  %49 = call i32 @puts(ptr noundef nonnull dereferenceable(1) @.str.2)
  call void @_ZNSt6vectorIlSaIlEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %3) #6
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %3) #6
  br label %55

.lr.ph45:                                         ; preds = %._crit_edge, %.lr.ph45
  %.043 = phi i64 [ %.0, %.lr.ph45 ], [ %.042, %._crit_edge ]
  %50 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIlSaIlEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %3, i64 noundef %.043) #6
  %51 = load i64, ptr %50, align 8, !tbaa !10
  %52 = call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(1) @.str.1, i64 noundef %51)
  %.0 = add nsw i64 %.043, -1
  %.not47 = icmp eq i64 %.043, 0
  br i1 %.not47, label %._crit_edge46, label %.lr.ph45, !llvm.loop !13

53:                                               ; preds = %21, %20
  %54 = call i32 @puts(ptr noundef nonnull dereferenceable(1) @.str.3)
  br label %55

55:                                               ; preds = %53, %._crit_edge46
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %2) #6
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %2) #6
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %1) #6
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %1) #6
  ret i32 0

56:                                               ; preds = %43, %13
  %.pn = phi { ptr, i32 } [ %44, %43 ], [ %14, %13 ]
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %2) #6
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %2) #6
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %1) #6
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %1) #6
  resume { ptr, i32 } %.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 nounwind uwtable
declare void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2Ev(ptr noundef nonnull align 8 dereferenceable(32)) unnamed_addr #3 align 2

declare noundef nonnull align 8 dereferenceable(16) ptr @_ZStrsIcSt11char_traitsIcESaIcEERSt13basic_istreamIT_T0_ES7_RNSt7__cxx1112basic_stringIS4_S5_T1_EE(ptr noundef nonnull align 8 dereferenceable(16), ptr noundef nonnull align 8 dereferenceable(32)) local_unnamed_addr #1

declare i32 @__gxx_personality_v0(...)

; Function Attrs: mustprogress nounwind uwtable
declare noundef i64 @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(32)) local_unnamed_addr #3 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 #3 align 2

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

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorIlSaIlEEC2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #3 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorIlSaIlEE9push_backEOl(ptr noundef nonnull align 8 dereferenceable(24), ptr noundef nonnull align 8 dereferenceable(8)) local_unnamed_addr #4 align 2

; Function Attrs: nofree nounwind
declare noundef i32 @printf(ptr nocapture noundef readonly, ...) local_unnamed_addr #5

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef i64 @_ZNKSt6vectorIlSaIlEE4sizeEv(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(8) ptr @_ZNSt6vectorIlSaIlEEixEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) local_unnamed_addr #3 align 2

; Function Attrs: nofree nounwind
declare noundef i32 @puts(ptr nocapture noundef readonly) local_unnamed_addr #5

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorIlSaIlEED2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #3 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

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 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 = { mustprogress uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #5 = { nofree 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 = { 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 = !{!"omnipotent char", !7, i64 0}
!7 = !{!"Simple C++ TBAA"}
!8 = distinct !{!8, !9}
!9 = !{!"llvm.loop.mustprogress"}
!10 = !{!11, !11, i64 0}
!11 = !{!"long", !6, i64 0}
!12 = distinct !{!12, !9}
!13 = distinct !{!13, !9}


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