; LLVM IR from DionysiosB/CodeForces :: 0800-0899 (877B-NikitaAndString)

; 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::__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 }
%"class.std::allocator.0" = type { 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 %"class.std::__cxx11::basic_string", align 8
  %3 = alloca ptr, align 8
  %4 = alloca i32, align 4
  %5 = alloca i64, align 8
  %6 = alloca %"class.std::vector", align 8
  %7 = alloca i64, align 8
  %8 = alloca %"class.std::allocator.0", align 1
  %9 = alloca %"class.std::vector", align 8
  %10 = alloca i64, align 8
  %11 = alloca %"class.std::allocator.0", align 1
  %12 = alloca i64, align 8
  %13 = alloca i64, align 8
  %14 = alloca i64, align 8
  %15 = alloca i32, align 4
  %16 = alloca i64, align 8
  %17 = alloca i64, align 8
  store i32 0, ptr %1, align 4
  call void @llvm.lifetime.start.p0(i64 32, ptr %2) #6
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2Ev(ptr noundef nonnull align 8 dereferenceable(32) %2) #6
  %18 = 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 %19 unwind label %32

19:                                               ; preds = %0
  call void @llvm.lifetime.start.p0(i64 8, ptr %5) #6
  %20 = call noundef i64 @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(32) %2) #6
  store i64 %20, ptr %5, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 24, ptr %6) #6
  %21 = load i64, ptr %5, align 8, !tbaa !5
  %22 = add nsw i64 %21, 1
  call void @llvm.lifetime.start.p0(i64 8, ptr %7) #6
  store i64 0, ptr %7, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 1, ptr %8) #6
  call void @_ZNSaIlEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %8) #6
  invoke void @_ZNSt6vectorIlSaIlEEC2EmRKlRKS0_(ptr noundef nonnull align 8 dereferenceable(24) %6, i64 noundef %22, ptr noundef nonnull align 8 dereferenceable(8) %7, ptr noundef nonnull align 1 dereferenceable(1) %8)
          to label %23 unwind label %36

23:                                               ; preds = %19
  call void @_ZNSt15__new_allocatorIlED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %8) #6
  call void @llvm.lifetime.end.p0(i64 1, ptr %8) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr %7) #6
  call void @llvm.lifetime.start.p0(i64 24, ptr %9) #6
  %24 = load i64, ptr %5, align 8, !tbaa !5
  %25 = add nsw i64 %24, 1
  call void @llvm.lifetime.start.p0(i64 8, ptr %10) #6
  store i64 0, ptr %10, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 1, ptr %11) #6
  call void @_ZNSaIlEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %11) #6
  invoke void @_ZNSt6vectorIlSaIlEEC2EmRKlRKS0_(ptr noundef nonnull align 8 dereferenceable(24) %9, i64 noundef %25, ptr noundef nonnull align 8 dereferenceable(8) %10, ptr noundef nonnull align 1 dereferenceable(1) %11)
          to label %26 unwind label %40

26:                                               ; preds = %23
  call void @_ZNSt15__new_allocatorIlED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %11) #6
  call void @llvm.lifetime.end.p0(i64 1, ptr %11) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr %10) #6
  call void @llvm.lifetime.start.p0(i64 8, ptr %12) #6
  store i64 1, ptr %12, align 8, !tbaa !5
  br label %27

27:                                               ; preds = %75, %26
  %28 = load i64, ptr %12, align 8, !tbaa !5
  %29 = load i64, ptr %5, align 8, !tbaa !5
  %30 = icmp sle i64 %28, %29
  br i1 %30, label %44, label %31

31:                                               ; preds = %27
  call void @llvm.lifetime.end.p0(i64 8, ptr %12) #6
  br label %82

32:                                               ; preds = %0
  %33 = landingpad { ptr, i32 }
          cleanup
  %34 = extractvalue { ptr, i32 } %33, 0
  store ptr %34, ptr %3, align 8
  %35 = extractvalue { ptr, i32 } %33, 1
  store i32 %35, ptr %4, align 4
  br label %145

36:                                               ; preds = %19
  %37 = landingpad { ptr, i32 }
          cleanup
  %38 = extractvalue { ptr, i32 } %37, 0
  store ptr %38, ptr %3, align 8
  %39 = extractvalue { ptr, i32 } %37, 1
  store i32 %39, ptr %4, align 4
  call void @_ZNSt15__new_allocatorIlED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %8) #6
  call void @llvm.lifetime.end.p0(i64 1, ptr %8) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr %7) #6
  br label %144

40:                                               ; preds = %23
  %41 = landingpad { ptr, i32 }
          cleanup
  %42 = extractvalue { ptr, i32 } %41, 0
  store ptr %42, ptr %3, align 8
  %43 = extractvalue { ptr, i32 } %41, 1
  store i32 %43, ptr %4, align 4
  call void @_ZNSt15__new_allocatorIlED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %11) #6
  call void @llvm.lifetime.end.p0(i64 1, ptr %11) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr %10) #6
  br label %143

44:                                               ; preds = %27
  %45 = load i64, ptr %12, align 8, !tbaa !5
  %46 = sub nsw i64 %45, 1
  %47 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIlSaIlEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %6, i64 noundef %46) #6
  %48 = load i64, ptr %47, align 8, !tbaa !5
  %49 = load i64, ptr %12, align 8, !tbaa !5
  %50 = sub nsw i64 %49, 1
  %51 = invoke noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %2, i64 noundef %50)
          to label %52 unwind label %78

52:                                               ; preds = %44
  %53 = load i8, ptr %51, align 1, !tbaa !9
  %54 = sext i8 %53 to i32
  %55 = icmp eq i32 %54, 97
  %56 = zext i1 %55 to i64
  %57 = add nsw i64 %48, %56
  %58 = load i64, ptr %12, align 8, !tbaa !5
  %59 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIlSaIlEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %6, i64 noundef %58) #6
  store i64 %57, ptr %59, align 8, !tbaa !5
  %60 = load i64, ptr %12, align 8, !tbaa !5
  %61 = sub nsw i64 %60, 1
  %62 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIlSaIlEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %9, i64 noundef %61) #6
  %63 = load i64, ptr %62, align 8, !tbaa !5
  %64 = load i64, ptr %12, align 8, !tbaa !5
  %65 = sub nsw i64 %64, 1
  %66 = invoke noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %2, i64 noundef %65)
          to label %67 unwind label %78

67:                                               ; preds = %52
  %68 = load i8, ptr %66, align 1, !tbaa !9
  %69 = sext i8 %68 to i32
  %70 = icmp eq i32 %69, 98
  %71 = zext i1 %70 to i64
  %72 = add nsw i64 %63, %71
  %73 = load i64, ptr %12, align 8, !tbaa !5
  %74 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIlSaIlEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %9, i64 noundef %73) #6
  store i64 %72, ptr %74, align 8, !tbaa !5
  br label %75

75:                                               ; preds = %67
  %76 = load i64, ptr %12, align 8, !tbaa !5
  %77 = add nsw i64 %76, 1
  store i64 %77, ptr %12, align 8, !tbaa !5
  br label %27, !llvm.loop !10

78:                                               ; preds = %52, %44
  %79 = landingpad { ptr, i32 }
          cleanup
  %80 = extractvalue { ptr, i32 } %79, 0
  store ptr %80, ptr %3, align 8
  %81 = extractvalue { ptr, i32 } %79, 1
  store i32 %81, ptr %4, align 4
  call void @llvm.lifetime.end.p0(i64 8, ptr %12) #6
  br label %142

82:                                               ; preds = %31
  call void @llvm.lifetime.start.p0(i64 8, ptr %13) #6
  store i64 0, ptr %13, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %14) #6
  store i64 0, ptr %14, align 8, !tbaa !5
  br label %83

83:                                               ; preds = %128, %82
  %84 = load i64, ptr %14, align 8, !tbaa !5
  %85 = load i64, ptr %5, align 8, !tbaa !5
  %86 = icmp sle i64 %84, %85
  br i1 %86, label %88, label %87

87:                                               ; preds = %83
  store i32 5, ptr %15, align 4
  call void @llvm.lifetime.end.p0(i64 8, ptr %14) #6
  br label %131

88:                                               ; preds = %83
  call void @llvm.lifetime.start.p0(i64 8, ptr %16) #6
  %89 = load i64, ptr %14, align 8, !tbaa !5
  store i64 %89, ptr %16, align 8, !tbaa !5
  br label %90

90:                                               ; preds = %124, %88
  %91 = load i64, ptr %16, align 8, !tbaa !5
  %92 = load i64, ptr %5, align 8, !tbaa !5
  %93 = icmp sle i64 %91, %92
  br i1 %93, label %95, label %94

94:                                               ; preds = %90
  store i32 8, ptr %15, align 4
  call void @llvm.lifetime.end.p0(i64 8, ptr %16) #6
  br label %127

95:                                               ; preds = %90
  call void @llvm.lifetime.start.p0(i64 8, ptr %17) #6
  %96 = load i64, ptr %14, align 8, !tbaa !5
  %97 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIlSaIlEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %6, i64 noundef %96) #6
  %98 = load i64, ptr %97, align 8, !tbaa !5
  %99 = load i64, ptr %16, align 8, !tbaa !5
  %100 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIlSaIlEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %9, i64 noundef %99) #6
  %101 = load i64, ptr %100, align 8, !tbaa !5
  %102 = load i64, ptr %14, align 8, !tbaa !5
  %103 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIlSaIlEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %9, i64 noundef %102) #6
  %104 = load i64, ptr %103, align 8, !tbaa !5
  %105 = sub nsw i64 %101, %104
  %106 = add nsw i64 %98, %105
  %107 = load i64, ptr %5, align 8, !tbaa !5
  %108 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIlSaIlEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %6, i64 noundef %107) #6
  %109 = load i64, ptr %108, align 8, !tbaa !5
  %110 = load i64, ptr %16, align 8, !tbaa !5
  %111 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIlSaIlEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %6, i64 noundef %110) #6
  %112 = load i64, ptr %111, align 8, !tbaa !5
  %113 = sub nsw i64 %109, %112
  %114 = add nsw i64 %106, %113
  store i64 %114, ptr %17, align 8, !tbaa !5
  %115 = load i64, ptr %13, align 8, !tbaa !5
  %116 = load i64, ptr %17, align 8, !tbaa !5
  %117 = icmp sgt i64 %115, %116
  br i1 %117, label %118, label %120

118:                                              ; preds = %95
  %119 = load i64, ptr %13, align 8, !tbaa !5
  br label %122

120:                                              ; preds = %95
  %121 = load i64, ptr %17, align 8, !tbaa !5
  br label %122

122:                                              ; preds = %120, %118
  %123 = phi i64 [ %119, %118 ], [ %121, %120 ]
  store i64 %123, ptr %13, align 8, !tbaa !5
  call void @llvm.lifetime.end.p0(i64 8, ptr %17) #6
  br label %124

124:                                              ; preds = %122
  %125 = load i64, ptr %16, align 8, !tbaa !5
  %126 = add nsw i64 %125, 1
  store i64 %126, ptr %16, align 8, !tbaa !5
  br label %90, !llvm.loop !12

127:                                              ; preds = %94
  br label %128

128:                                              ; preds = %127
  %129 = load i64, ptr %14, align 8, !tbaa !5
  %130 = add nsw i64 %129, 1
  store i64 %130, ptr %14, align 8, !tbaa !5
  br label %83, !llvm.loop !13

131:                                              ; preds = %87
  %132 = load i64, ptr %13, align 8, !tbaa !5
  %133 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEl(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, i64 noundef %132)
          to label %134 unwind label %138

134:                                              ; preds = %131
  %135 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) %133, ptr noundef @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
          to label %136 unwind label %138

136:                                              ; preds = %134
  store i32 0, ptr %1, align 4
  store i32 1, ptr %15, align 4
  call void @llvm.lifetime.end.p0(i64 8, ptr %13) #6
  call void @_ZNSt6vectorIlSaIlEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %9) #6
  call void @llvm.lifetime.end.p0(i64 24, ptr %9) #6
  call void @_ZNSt6vectorIlSaIlEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %6) #6
  call void @llvm.lifetime.end.p0(i64 24, ptr %6) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr %5) #6
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %2) #6
  call void @llvm.lifetime.end.p0(i64 32, ptr %2) #6
  %137 = load i32, ptr %1, align 4
  ret i32 %137

138:                                              ; preds = %134, %131
  %139 = landingpad { ptr, i32 }
          cleanup
  %140 = extractvalue { ptr, i32 } %139, 0
  store ptr %140, ptr %3, align 8
  %141 = extractvalue { ptr, i32 } %139, 1
  store i32 %141, ptr %4, align 4
  call void @llvm.lifetime.end.p0(i64 8, ptr %13) #6
  br label %142

142:                                              ; preds = %138, %78
  call void @_ZNSt6vectorIlSaIlEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %9) #6
  br label %143

143:                                              ; preds = %142, %40
  call void @llvm.lifetime.end.p0(i64 24, ptr %9) #6
  call void @_ZNSt6vectorIlSaIlEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %6) #6
  br label %144

144:                                              ; preds = %143, %36
  call void @llvm.lifetime.end.p0(i64 24, ptr %6) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr %5) #6
  br label %145

145:                                              ; preds = %144, %32
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %2) #6
  call void @llvm.lifetime.end.p0(i64 32, ptr %2) #6
  br label %146

146:                                              ; preds = %145
  %147 = load ptr, ptr %3, align 8
  %148 = load i32, ptr %4, align 4
  %149 = insertvalue { ptr, i32 } poison, ptr %147, 0
  %150 = insertvalue { ptr, i32 } %149, i32 %148, 1
  resume { ptr, i32 } %150
}

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

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

declare i32 @__gxx_personality_v0(...)

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

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSaIlEC2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #2 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorIlSaIlEEC2EmRKlRKS0_(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef, ptr noundef nonnull align 8 dereferenceable(8), ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #4 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 nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIlSaIlEEixEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) #2 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) #2 align 2

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

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

; Function Attrs: inlinehint mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_(ptr noundef nonnull align 8 dereferenceable(8)) #5

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorIlSaIlEED2Ev(ptr noundef nonnull align 8 dereferenceable(24)) 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 #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt15__new_allocatorIlED2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #2 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 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 #3 = { "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 = { 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 = !{!7, !7, i64 0}
!10 = distinct !{!10, !11}
!11 = !{!"llvm.loop.mustprogress"}
!12 = distinct !{!12, !11}
!13 = distinct !{!13, !11}


; 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::__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 }
%"class.std::allocator.0" = type { 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 %"class.std::__cxx11::basic_string", align 8
  %2 = alloca %"class.std::vector", align 8
  %3 = alloca i64, align 8
  %4 = alloca %"class.std::allocator.0", align 1
  %5 = alloca %"class.std::vector", align 8
  %6 = alloca i64, align 8
  %7 = alloca %"class.std::allocator.0", align 1
  call void @llvm.lifetime.start.p0(i64 32, ptr nonnull %1) #7
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2Ev(ptr noundef nonnull align 8 dereferenceable(32) %1) #7
  %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) @_ZSt3cin, ptr noundef nonnull align 8 dereferenceable(32) %1)
          to label %9 unwind label %14

9:                                                ; preds = %0
  %10 = call noundef i64 @_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(32) %1) #7
  call void @llvm.lifetime.start.p0(i64 24, ptr nonnull %2) #7
  %11 = add i64 %10, 1
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %3) #7
  store i64 0, ptr %3, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 1, ptr nonnull %4) #7
  call void @_ZNSaIlEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %4) #7
  invoke void @_ZNSt6vectorIlSaIlEEC2EmRKlRKS0_(ptr noundef nonnull align 8 dereferenceable(24) %2, i64 noundef %11, ptr noundef nonnull align 8 dereferenceable(8) %3, ptr noundef nonnull align 1 dereferenceable(1) %4)
          to label %12 unwind label %16

12:                                               ; preds = %9
  call void @_ZNSt15__new_allocatorIlED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %4) #7
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %4) #7
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %3) #7
  call void @llvm.lifetime.start.p0(i64 24, ptr nonnull %5) #7
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %6) #7
  store i64 0, ptr %6, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 1, ptr nonnull %7) #7
  call void @_ZNSaIlEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %7) #7
  invoke void @_ZNSt6vectorIlSaIlEEC2EmRKlRKS0_(ptr noundef nonnull align 8 dereferenceable(24) %5, i64 noundef %11, ptr noundef nonnull align 8 dereferenceable(8) %6, ptr noundef nonnull align 1 dereferenceable(1) %7)
          to label %13 unwind label %18

13:                                               ; preds = %12
  call void @_ZNSt15__new_allocatorIlED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %7) #7
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %7) #7
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %6) #7
  %.not46 = icmp slt i64 %10, 1
  br i1 %.not46, label %.preheader45, label %.lr.ph

.preheader45:                                     ; preds = %.lr.ph, %13
  %.not3950 = icmp slt i64 %10, 0
  br i1 %.not3950, label %._crit_edge, label %.preheader

14:                                               ; preds = %0
  %15 = landingpad { ptr, i32 }
          cleanup
  br label %65

16:                                               ; preds = %9
  %17 = landingpad { ptr, i32 }
          cleanup
  call void @_ZNSt15__new_allocatorIlED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %4) #7
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %4) #7
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %3) #7
  br label %64

18:                                               ; preds = %12
  %19 = landingpad { ptr, i32 }
          cleanup
  call void @_ZNSt15__new_allocatorIlED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %7) #7
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %7) #7
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %6) #7
  br label %63

.lr.ph:                                           ; preds = %13, %.lr.ph
  %.03247 = phi i64 [ %37, %.lr.ph ], [ 1, %13 ]
  %20 = add nsw i64 %.03247, -1
  %21 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIlSaIlEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %2, i64 noundef %20) #7
  %22 = load i64, ptr %21, align 8, !tbaa !5
  %23 = call noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %1, i64 noundef %20)
  %24 = load i8, ptr %23, align 1, !tbaa !9
  %25 = icmp eq i8 %24, 97
  %26 = zext i1 %25 to i64
  %27 = add nsw i64 %22, %26
  %28 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIlSaIlEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %2, i64 noundef %.03247) #7
  store i64 %27, ptr %28, align 8, !tbaa !5
  %29 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIlSaIlEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %5, i64 noundef %20) #7
  %30 = load i64, ptr %29, align 8, !tbaa !5
  %31 = call noundef nonnull align 1 dereferenceable(1) ptr @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEixEm(ptr noundef nonnull align 8 dereferenceable(32) %1, i64 noundef %20)
  %32 = load i8, ptr %31, align 1, !tbaa !9
  %33 = icmp eq i8 %32, 98
  %34 = zext i1 %33 to i64
  %35 = add nsw i64 %30, %34
  %36 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIlSaIlEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %5, i64 noundef %.03247) #7
  store i64 %35, ptr %36, align 8, !tbaa !5
  %37 = add nuw i64 %.03247, 1
  %exitcond.not = icmp eq i64 %.03247, %10
  br i1 %exitcond.not, label %.preheader45, label %.lr.ph, !llvm.loop !10

.preheader:                                       ; preds = %.preheader45, %39
  %.03052 = phi i64 [ %40, %39 ], [ 0, %.preheader45 ]
  %.03151 = phi i64 [ %56, %39 ], [ 0, %.preheader45 ]
  br label %41

._crit_edge:                                      ; preds = %39, %.preheader45
  %.031.lcssa = phi i64 [ 0, %.preheader45 ], [ %56, %39 ]
  %38 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEl(ptr noundef nonnull align 8 dereferenceable(8) @_ZSt4cout, i64 noundef %.031.lcssa)
          to label %58 unwind label %61

39:                                               ; preds = %41
  %40 = add nuw i64 %.03052, 1
  %exitcond53.not = icmp eq i64 %.03052, %10
  br i1 %exitcond53.not, label %._crit_edge, label %.preheader, !llvm.loop !12

41:                                               ; preds = %.preheader, %41
  %.049 = phi i64 [ %.03052, %.preheader ], [ %57, %41 ]
  %.148 = phi i64 [ %.03151, %.preheader ], [ %56, %41 ]
  %42 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIlSaIlEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %2, i64 noundef %.03052) #7
  %43 = load i64, ptr %42, align 8, !tbaa !5
  %44 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIlSaIlEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %5, i64 noundef %.049) #7
  %45 = load i64, ptr %44, align 8, !tbaa !5
  %46 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIlSaIlEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %5, i64 noundef %.03052) #7
  %47 = load i64, ptr %46, align 8, !tbaa !5
  %48 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIlSaIlEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %2, i64 noundef %10) #7
  %49 = load i64, ptr %48, align 8, !tbaa !5
  %50 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIlSaIlEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %2, i64 noundef %.049) #7
  %51 = load i64, ptr %50, align 8, !tbaa !5
  %52 = add i64 %45, %43
  %53 = add i64 %52, %49
  %54 = add i64 %47, %51
  %55 = sub i64 %53, %54
  %56 = call i64 @llvm.smax.i64(i64 %.148, i64 %55)
  %57 = add nuw nsw i64 %.049, 1
  %.not43.not = icmp slt i64 %.049, %10
  br i1 %.not43.not, label %41, label %39, !llvm.loop !13

58:                                               ; preds = %._crit_edge
  %59 = invoke noundef nonnull align 8 dereferenceable(8) ptr @_ZNSolsEPFRSoS_E(ptr noundef nonnull align 8 dereferenceable(8) %38, ptr noundef nonnull @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_)
          to label %60 unwind label %61

60:                                               ; preds = %58
  call void @_ZNSt6vectorIlSaIlEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %5) #7
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %5) #7
  call void @_ZNSt6vectorIlSaIlEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %2) #7
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %2) #7
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %1) #7
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %1) #7
  ret i32 0

61:                                               ; preds = %58, %._crit_edge
  %62 = landingpad { ptr, i32 }
          cleanup
  call void @_ZNSt6vectorIlSaIlEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %5) #7
  br label %63

63:                                               ; preds = %61, %18
  %.pn = phi { ptr, i32 } [ %62, %61 ], [ %19, %18 ]
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %5) #7
  call void @_ZNSt6vectorIlSaIlEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %2) #7
  br label %64

64:                                               ; preds = %63, %16
  %.pn.pn = phi { ptr, i32 } [ %.pn, %63 ], [ %17, %16 ]
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %2) #7
  br label %65

65:                                               ; preds = %64, %14
  %.pn.pn.pn = phi { ptr, i32 } [ %.pn.pn, %64 ], [ %15, %14 ]
  call void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED2Ev(ptr noundef nonnull align 8 dereferenceable(32) %1) #7
  call void @llvm.lifetime.end.p0(i64 32, ptr nonnull %1) #7
  resume { ptr, i32 } %.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 nounwind uwtable
declare void @_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC2Ev(ptr noundef nonnull align 8 dereferenceable(32)) unnamed_addr #2 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 #3

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 #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSaIlEC2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #2 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorIlSaIlEEC2EmRKlRKS0_(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef, ptr noundef nonnull align 8 dereferenceable(8), ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #4 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 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 #2 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 #2 align 2

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

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

; Function Attrs: inlinehint mustprogress uwtable
declare noundef nonnull align 8 dereferenceable(8) ptr @_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_(ptr noundef nonnull align 8 dereferenceable(8)) #5

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorIlSaIlEED2Ev(ptr noundef nonnull align 8 dereferenceable(24)) 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 #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt15__new_allocatorIlED2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #2 align 2

; Function Attrs: nocallback nofree nosync nounwind speculatable willreturn memory(none)
declare i64 @llvm.smax.i64(i64, i64) #6

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 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 #3 = { "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 = { 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 = { nocallback nofree nosync nounwind speculatable willreturn memory(none) }
attributes #7 = { 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 = !{!7, !7, i64 0}
!10 = distinct !{!10, !11}
!11 = !{!"llvm.loop.mustprogress"}
!12 = distinct !{!12, !11}
!13 = distinct !{!13, !11}


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