; LLVM IR from DionysiosB/CodeForces :: 0800-0899 (863B-Kayaking)

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

%"class.std::vector" = type { %"struct.std::_Vector_base" }
%"struct.std::_Vector_base" = type { %"struct.std::_Vector_base<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" = type { i8 }
%"class.__gnu_cxx::__normal_iterator" = type { ptr }

@.str = external hidden unnamed_addr constant [4 x i8], align 1
@.str.1 = external hidden unnamed_addr constant [5 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 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.__gnu_cxx::__normal_iterator", align 8
  %9 = alloca %"class.__gnu_cxx::__normal_iterator", align 8
  %10 = alloca %"class.std::vector", align 8
  %11 = alloca %"class.std::allocator", 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 8, ptr %2) #6
  %18 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef @.str, ptr noundef %2)
  call void @llvm.lifetime.start.p0(i64 24, ptr %3) #6
  %19 = load i64, ptr %2, align 8, !tbaa !5
  %20 = mul nsw i64 2, %19
  call void @llvm.lifetime.start.p0(i64 1, ptr %4) #6
  call void @_ZNSaIlEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %4) #6
  invoke void @_ZNSt6vectorIlSaIlEEC2EmRKS0_(ptr noundef nonnull align 8 dereferenceable(24) %3, i64 noundef %20, ptr noundef nonnull align 1 dereferenceable(1) %4)
          to label %21 unwind label %28

21:                                               ; preds = %0
  call void @_ZNSt15__new_allocatorIlED2Ev(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 %22

22:                                               ; preds = %37, %21
  %23 = load i64, ptr %7, align 8, !tbaa !5
  %24 = load i64, ptr %2, align 8, !tbaa !5
  %25 = mul nsw i64 2, %24
  %26 = icmp slt i64 %23, %25
  br i1 %26, label %32, label %27

27:                                               ; preds = %22
  call void @llvm.lifetime.end.p0(i64 8, ptr %7) #6
  br label %44

28:                                               ; preds = %0
  %29 = landingpad { ptr, i32 }
          cleanup
  %30 = extractvalue { ptr, i32 } %29, 0
  store ptr %30, ptr %5, align 8
  %31 = extractvalue { ptr, i32 } %29, 1
  store i32 %31, ptr %6, align 4
  call void @_ZNSt15__new_allocatorIlED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %4) #6
  call void @llvm.lifetime.end.p0(i64 1, ptr %4) #6
  br label %166

32:                                               ; preds = %22
  %33 = load i64, ptr %7, align 8, !tbaa !5
  %34 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIlSaIlEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %3, i64 noundef %33) #6
  %35 = invoke i32 (ptr, ...) @__isoc99_scanf(ptr noundef @.str, ptr noundef %34)
          to label %36 unwind label %40

36:                                               ; preds = %32
  br label %37

37:                                               ; preds = %36
  %38 = load i64, ptr %7, align 8, !tbaa !5
  %39 = add nsw i64 %38, 1
  store i64 %39, ptr %7, align 8, !tbaa !5
  br label %22, !llvm.loop !9

40:                                               ; preds = %32
  %41 = landingpad { ptr, i32 }
          cleanup
  %42 = extractvalue { ptr, i32 } %41, 0
  store ptr %42, ptr %5, align 8
  %43 = extractvalue { ptr, i32 } %41, 1
  store i32 %43, ptr %6, align 4
  call void @llvm.lifetime.end.p0(i64 8, ptr %7) #6
  br label %165

44:                                               ; preds = %27
  %45 = call ptr @_ZNSt6vectorIlSaIlEE5beginEv(ptr noundef nonnull align 8 dereferenceable(24) %3) #6
  %46 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %8, i32 0, i32 0
  store ptr %45, ptr %46, align 8
  %47 = call ptr @_ZNSt6vectorIlSaIlEE3endEv(ptr noundef nonnull align 8 dereferenceable(24) %3) #6
  %48 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %9, i32 0, i32 0
  store ptr %47, ptr %48, align 8
  %49 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %8, i32 0, i32 0
  %50 = load ptr, ptr %49, align 8
  %51 = getelementptr inbounds %"class.__gnu_cxx::__normal_iterator", ptr %9, i32 0, i32 0
  %52 = load ptr, ptr %51, align 8
  invoke void @_ZSt4sortIN9__gnu_cxx17__normal_iteratorIPlSt6vectorIlSaIlEEEEEvT_S7_(ptr %50, ptr %52)
          to label %53 unwind label %63

53:                                               ; preds = %44
  call void @llvm.lifetime.start.p0(i64 24, ptr %10) #6
  %54 = load i64, ptr %2, align 8, !tbaa !5
  %55 = mul nsw i64 2, %54
  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 @_ZNSt6vectorIlSaIlEEC2EmRKS0_(ptr noundef nonnull align 8 dereferenceable(24) %10, i64 noundef %55, ptr noundef nonnull align 1 dereferenceable(1) %11)
          to label %56 unwind label %67

56:                                               ; preds = %53
  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.start.p0(i64 8, ptr %12) #6
  store i64 1, ptr %12, align 8, !tbaa !5
  br label %57

57:                                               ; preds = %93, %56
  %58 = load i64, ptr %12, align 8, !tbaa !5
  %59 = load i64, ptr %2, align 8, !tbaa !5
  %60 = mul nsw i64 2, %59
  %61 = icmp slt i64 %58, %60
  br i1 %61, label %71, label %62

62:                                               ; preds = %57
  call void @llvm.lifetime.end.p0(i64 8, ptr %12) #6
  br label %96

63:                                               ; preds = %44
  %64 = landingpad { ptr, i32 }
          cleanup
  %65 = extractvalue { ptr, i32 } %64, 0
  store ptr %65, ptr %5, align 8
  %66 = extractvalue { ptr, i32 } %64, 1
  store i32 %66, ptr %6, align 4
  br label %165

67:                                               ; preds = %53
  %68 = landingpad { ptr, i32 }
          cleanup
  %69 = extractvalue { ptr, i32 } %68, 0
  store ptr %69, ptr %5, align 8
  %70 = extractvalue { ptr, i32 } %68, 1
  store i32 %70, ptr %6, 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
  br label %164

71:                                               ; preds = %57
  %72 = load i64, ptr %12, align 8, !tbaa !5
  %73 = icmp sge i64 %72, 2
  br i1 %73, label %74, label %79

74:                                               ; preds = %71
  %75 = load i64, ptr %12, align 8, !tbaa !5
  %76 = sub nsw i64 %75, 2
  %77 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIlSaIlEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %10, i64 noundef %76) #6
  %78 = load i64, ptr %77, align 8, !tbaa !5
  br label %80

79:                                               ; preds = %71
  br label %80

80:                                               ; preds = %79, %74
  %81 = phi i64 [ %78, %74 ], [ 0, %79 ]
  %82 = load i64, ptr %12, align 8, !tbaa !5
  %83 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIlSaIlEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %3, i64 noundef %82) #6
  %84 = load i64, ptr %83, align 8, !tbaa !5
  %85 = load i64, ptr %12, align 8, !tbaa !5
  %86 = sub nsw i64 %85, 1
  %87 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIlSaIlEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %3, i64 noundef %86) #6
  %88 = load i64, ptr %87, align 8, !tbaa !5
  %89 = sub nsw i64 %84, %88
  %90 = add nsw i64 %81, %89
  %91 = load i64, ptr %12, align 8, !tbaa !5
  %92 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIlSaIlEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %10, i64 noundef %91) #6
  store i64 %90, ptr %92, align 8, !tbaa !5
  br label %93

93:                                               ; preds = %80
  %94 = load i64, ptr %12, align 8, !tbaa !5
  %95 = add nsw i64 %94, 1
  store i64 %95, ptr %12, align 8, !tbaa !5
  br label %57, !llvm.loop !11

96:                                               ; preds = %62
  call void @llvm.lifetime.start.p0(i64 8, ptr %13) #6
  store i64 500000, 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 %97

97:                                               ; preds = %152, %96
  %98 = load i64, ptr %14, align 8, !tbaa !5
  %99 = load i64, ptr %2, align 8, !tbaa !5
  %100 = mul nsw i64 2, %99
  %101 = icmp slt i64 %98, %100
  br i1 %101, label %103, label %102

102:                                              ; preds = %97
  store i32 8, ptr %15, align 4
  call void @llvm.lifetime.end.p0(i64 8, ptr %14) #6
  br label %155

103:                                              ; preds = %97
  call void @llvm.lifetime.start.p0(i64 8, ptr %16) #6
  %104 = load i64, ptr %2, align 8, !tbaa !5
  %105 = mul nsw i64 2, %104
  %106 = sub nsw i64 %105, 1
  store i64 %106, ptr %16, align 8, !tbaa !5
  br label %107

107:                                              ; preds = %148, %103
  %108 = load i64, ptr %16, align 8, !tbaa !5
  %109 = load i64, ptr %14, align 8, !tbaa !5
  %110 = icmp sgt i64 %108, %109
  br i1 %110, label %112, label %111

111:                                              ; preds = %107
  store i32 11, ptr %15, align 4
  call void @llvm.lifetime.end.p0(i64 8, ptr %16) #6
  br label %151

112:                                              ; preds = %107
  call void @llvm.lifetime.start.p0(i64 8, ptr %17) #6
  %113 = load i64, ptr %14, align 8, !tbaa !5
  %114 = icmp sgt i64 %113, 0
  br i1 %114, label %115, label %120

115:                                              ; preds = %112
  %116 = load i64, ptr %14, align 8, !tbaa !5
  %117 = sub nsw i64 %116, 1
  %118 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIlSaIlEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %10, i64 noundef %117) #6
  %119 = load i64, ptr %118, align 8, !tbaa !5
  br label %121

120:                                              ; preds = %112
  br label %121

121:                                              ; preds = %120, %115
  %122 = phi i64 [ %119, %115 ], [ 0, %120 ]
  %123 = load i64, ptr %16, align 8, !tbaa !5
  %124 = sub nsw i64 %123, 1
  %125 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIlSaIlEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %10, i64 noundef %124) #6
  %126 = load i64, ptr %125, align 8, !tbaa !5
  %127 = load i64, ptr %14, align 8, !tbaa !5
  %128 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIlSaIlEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %10, i64 noundef %127) #6
  %129 = load i64, ptr %128, align 8, !tbaa !5
  %130 = sub nsw i64 %126, %129
  %131 = add nsw i64 %122, %130
  %132 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIlSaIlEE4backEv(ptr noundef nonnull align 8 dereferenceable(24) %10) #6
  %133 = load i64, ptr %132, align 8, !tbaa !5
  %134 = load i64, ptr %16, align 8, !tbaa !5
  %135 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIlSaIlEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %10, i64 noundef %134) #6
  %136 = load i64, ptr %135, align 8, !tbaa !5
  %137 = sub nsw i64 %133, %136
  %138 = add nsw i64 %131, %137
  store i64 %138, ptr %17, align 8, !tbaa !5
  %139 = load i64, ptr %13, align 8, !tbaa !5
  %140 = load i64, ptr %17, align 8, !tbaa !5
  %141 = icmp slt i64 %139, %140
  br i1 %141, label %142, label %144

142:                                              ; preds = %121
  %143 = load i64, ptr %13, align 8, !tbaa !5
  br label %146

144:                                              ; preds = %121
  %145 = load i64, ptr %17, align 8, !tbaa !5
  br label %146

146:                                              ; preds = %144, %142
  %147 = phi i64 [ %143, %142 ], [ %145, %144 ]
  store i64 %147, ptr %13, align 8, !tbaa !5
  call void @llvm.lifetime.end.p0(i64 8, ptr %17) #6
  br label %148

148:                                              ; preds = %146
  %149 = load i64, ptr %16, align 8, !tbaa !5
  %150 = sub nsw i64 %149, 2
  store i64 %150, ptr %16, align 8, !tbaa !5
  br label %107, !llvm.loop !12

151:                                              ; preds = %111
  br label %152

152:                                              ; preds = %151
  %153 = load i64, ptr %14, align 8, !tbaa !5
  %154 = add nsw i64 %153, 2
  store i64 %154, ptr %14, align 8, !tbaa !5
  br label %97, !llvm.loop !13

155:                                              ; preds = %102
  %156 = load i64, ptr %13, align 8, !tbaa !5
  %157 = invoke i32 (ptr, ...) @printf(ptr noundef @.str.1, i64 noundef %156)
          to label %158 unwind label %160

158:                                              ; preds = %155
  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) %10) #6
  call void @llvm.lifetime.end.p0(i64 24, ptr %10) #6
  call void @_ZNSt6vectorIlSaIlEED2Ev(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
  %159 = load i32, ptr %1, align 4
  ret i32 %159

160:                                              ; preds = %155
  %161 = landingpad { ptr, i32 }
          cleanup
  %162 = extractvalue { ptr, i32 } %161, 0
  store ptr %162, ptr %5, align 8
  %163 = extractvalue { ptr, i32 } %161, 1
  store i32 %163, ptr %6, align 4
  call void @llvm.lifetime.end.p0(i64 8, ptr %13) #6
  call void @_ZNSt6vectorIlSaIlEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %10) #6
  br label %164

164:                                              ; preds = %160, %67
  call void @llvm.lifetime.end.p0(i64 24, ptr %10) #6
  br label %165

165:                                              ; preds = %164, %63, %40
  call void @_ZNSt6vectorIlSaIlEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %3) #6
  br label %166

166:                                              ; preds = %165, %28
  call void @llvm.lifetime.end.p0(i64 24, ptr %3) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr %2) #6
  br label %167

167:                                              ; preds = %166
  %168 = load ptr, ptr %5, align 8
  %169 = load i32, ptr %6, align 4
  %170 = insertvalue { ptr, i32 } poison, ptr %168, 0
  %171 = insertvalue { ptr, i32 } %170, i32 %169, 1
  resume { ptr, i32 } %171
}

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

declare i32 @__isoc99_scanf(ptr noundef, ...) #2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSaIlEC2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #3 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorIlSaIlEEC2EmRKS0_(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef, ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #4 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) #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) #3 align 2

; Function Attrs: inlinehint mustprogress uwtable
declare dso_local void @_ZSt4sortIN9__gnu_cxx17__normal_iteratorIPlSt6vectorIlSaIlEEEEEvT_S7_(ptr, ptr) #5

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt6vectorIlSaIlEE5beginEv(ptr noundef nonnull align 8 dereferenceable(24)) #3 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt6vectorIlSaIlEE3endEv(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 @_ZNSt6vectorIlSaIlEE4backEv(ptr noundef nonnull align 8 dereferenceable(24)) #3 align 2

declare i32 @printf(ptr noundef, ...) #2

; 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 dso_local void @_ZNSt15__new_allocatorIlED2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #3 align 2

attributes #0 = { mustprogress norecurse uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #1 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #2 = { "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #3 = { mustprogress nounwind uwtable "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-cpu"="x86-64" "target-features"="+cmov,+cx8,+fxsr,+mmx,+sse,+sse2,+x87" "tune-cpu"="generic" }
attributes #4 = { 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 = distinct !{!9, !10}
!10 = !{!"llvm.loop.mustprogress"}
!11 = distinct !{!11, !10}
!12 = distinct !{!12, !10}
!13 = distinct !{!13, !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::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" = type { i8 }

@.str = external hidden unnamed_addr constant [4 x i8], align 1
@.str.1 = external hidden unnamed_addr constant [5 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 i64, align 8
  %2 = alloca %"class.std::vector", align 8
  %3 = alloca %"class.std::allocator", align 1
  %4 = alloca %"class.std::vector", align 8
  %5 = alloca %"class.std::allocator", align 1
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %1) #7
  %6 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef nonnull @.str, ptr noundef nonnull %1)
  call void @llvm.lifetime.start.p0(i64 24, ptr nonnull %2) #7
  %7 = load i64, ptr %1, align 8, !tbaa !5
  %8 = shl nsw i64 %7, 1
  call void @llvm.lifetime.start.p0(i64 1, ptr nonnull %3) #7
  call void @_ZNSaIlEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %3) #7
  invoke void @_ZNSt6vectorIlSaIlEEC2EmRKS0_(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_allocatorIlED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %3) #7
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %3) #7
  %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 = %.lr.ph, %9
  %12 = call ptr @_ZNSt6vectorIlSaIlEE5beginEv(ptr noundef nonnull align 8 dereferenceable(24) %2) #7
  %13 = call ptr @_ZNSt6vectorIlSaIlEE3endEv(ptr noundef nonnull align 8 dereferenceable(24) %2) #7
  invoke void @_ZSt4sortIN9__gnu_cxx17__normal_iteratorIPlSt6vectorIlSaIlEEEEEvT_S7_(ptr %12, ptr %13)
          to label %22 unwind label %39

14:                                               ; preds = %0
  %15 = landingpad { ptr, i32 }
          cleanup
  call void @_ZNSt15__new_allocatorIlED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %3) #7
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %3) #7
  br label %101

.lr.ph:                                           ; preds = %9, %.lr.ph
  %.03541 = phi i64 [ %18, %.lr.ph ], [ 0, %9 ]
  %16 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIlSaIlEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %2, i64 noundef %.03541) #7
  %17 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef nonnull @.str, ptr noundef nonnull %16)
  %18 = add nuw nsw i64 %.03541, 1
  %19 = load i64, ptr %1, align 8, !tbaa !5
  %20 = shl nsw i64 %19, 1
  %21 = icmp slt i64 %18, %20
  br i1 %21, label %.lr.ph, label %._crit_edge, !llvm.loop !9

22:                                               ; preds = %._crit_edge
  call void @llvm.lifetime.start.p0(i64 24, ptr nonnull %4) #7
  %23 = load i64, ptr %1, align 8, !tbaa !5
  %24 = shl nsw i64 %23, 1
  call void @llvm.lifetime.start.p0(i64 1, ptr nonnull %5) #7
  call void @_ZNSaIlEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %5) #7
  invoke void @_ZNSt6vectorIlSaIlEEC2EmRKS0_(ptr noundef nonnull align 8 dereferenceable(24) %4, i64 noundef %24, ptr noundef nonnull align 1 dereferenceable(1) %5)
          to label %25 unwind label %41

25:                                               ; preds = %22
  call void @_ZNSt15__new_allocatorIlED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %5) #7
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %5) #7
  %26 = load i64, ptr %1, align 8, !tbaa !5
  %27 = icmp sgt i64 %26, 0
  br i1 %27, label %.lr.ph44.preheader, label %._crit_edge54

.lr.ph44.preheader:                               ; preds = %25
  %28 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIlSaIlEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %2, i64 noundef 1) #7
  %29 = load i64, ptr %28, align 8, !tbaa !5
  %30 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIlSaIlEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %2, i64 noundef 0) #7
  %31 = load i64, ptr %30, align 8, !tbaa !5
  %32 = sub i64 %29, %31
  %33 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIlSaIlEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %4, i64 noundef 1) #7
  store i64 %32, ptr %33, align 8, !tbaa !5
  %34 = load i64, ptr %1, align 8, !tbaa !5
  %35 = icmp sgt i64 %34, 1
  br i1 %35, label %.lr.ph44.peel.next, label %.preheader

.preheader:                                       ; preds = %.lr.ph44.peel.next, %.lr.ph44.preheader
  %36 = phi i64 [ %34, %.lr.ph44.preheader ], [ %55, %.lr.ph44.peel.next ]
  %37 = icmp sgt i64 %36, 0
  br i1 %37, label %.lr.ph53.preheader, label %._crit_edge54

.lr.ph53.preheader:                               ; preds = %.preheader
  %38 = shl nuw nsw i64 %36, 1
  br label %.lr.ph53

39:                                               ; preds = %._crit_edge
  %40 = landingpad { ptr, i32 }
          cleanup
  br label %100

41:                                               ; preds = %22
  %42 = landingpad { ptr, i32 }
          cleanup
  call void @_ZNSt15__new_allocatorIlED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %5) #7
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %5) #7
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %4) #7
  br label %100

.lr.ph44.peel.next:                               ; preds = %.lr.ph44.preheader, %.lr.ph44.peel.next
  %.03042 = phi i64 [ %54, %.lr.ph44.peel.next ], [ 2, %.lr.ph44.preheader ]
  %43 = add nsw i64 %.03042, -2
  %44 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIlSaIlEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %4, i64 noundef %43) #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) %2, i64 noundef %.03042) #7
  %47 = load i64, ptr %46, align 8, !tbaa !5
  %48 = add nsw i64 %.03042, -1
  %49 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIlSaIlEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %2, i64 noundef %48) #7
  %50 = load i64, ptr %49, align 8, !tbaa !5
  %51 = add i64 %47, %45
  %52 = sub i64 %51, %50
  %53 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIlSaIlEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %4, i64 noundef %.03042) #7
  store i64 %52, ptr %53, align 8, !tbaa !5
  %54 = add nuw nsw i64 %.03042, 1
  %55 = load i64, ptr %1, align 8, !tbaa !5
  %56 = shl nsw i64 %55, 1
  %57 = icmp slt i64 %54, %56
  br i1 %57, label %.lr.ph44.peel.next, label %.preheader, !llvm.loop !11

._crit_edge54:                                    ; preds = %._crit_edge49, %25, %.preheader
  %.029.lcssa = phi i64 [ 500000, %.preheader ], [ 500000, %25 ], [ %.1.lcssa, %._crit_edge49 ]
  %58 = call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(1) @.str.1, i64 noundef %.029.lcssa)
  call void @_ZNSt6vectorIlSaIlEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %4) #7
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %4) #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 @llvm.lifetime.end.p0(i64 8, ptr nonnull %1) #7
  ret i32 0

.lr.ph53:                                         ; preds = %.lr.ph53.preheader, %._crit_edge49
  %59 = phi i64 [ %80, %._crit_edge49 ], [ %38, %.lr.ph53.preheader ]
  %.02851 = phi i64 [ %78, %._crit_edge49 ], [ 0, %.lr.ph53.preheader ]
  %.02950 = phi i64 [ %.1.lcssa, %._crit_edge49 ], [ 500000, %.lr.ph53.preheader ]
  %60 = add nsw i64 %59, -1
  %61 = icmp sgt i64 %60, %.02851
  br i1 %61, label %.lr.ph48, label %._crit_edge49

.lr.ph48:                                         ; preds = %.lr.ph53
  %.not = icmp eq i64 %.02851, 0
  %62 = add nsw i64 %.02851, -1
  br i1 %.not, label %.lr.ph48.split.us, label %.lr.ph48.split

.lr.ph48.split.us:                                ; preds = %.lr.ph48, %.lr.ph48.split.us
  %.046.us = phi i64 [ %76, %.lr.ph48.split.us ], [ %60, %.lr.ph48 ]
  %.145.us = phi i64 [ %75, %.lr.ph48.split.us ], [ %.02950, %.lr.ph48 ]
  %63 = add nsw i64 %.046.us, -1
  %64 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIlSaIlEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %4, i64 noundef %63) #7
  %65 = load i64, ptr %64, align 8, !tbaa !5
  %66 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIlSaIlEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %4, i64 noundef 0) #7
  %67 = load i64, ptr %66, align 8, !tbaa !5
  %68 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIlSaIlEE4backEv(ptr noundef nonnull align 8 dereferenceable(24) %4) #7
  %69 = load i64, ptr %68, align 8, !tbaa !5
  %70 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIlSaIlEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %4, i64 noundef %.046.us) #7
  %71 = load i64, ptr %70, align 8, !tbaa !5
  %72 = add i64 %65, %69
  %73 = add i64 %67, %71
  %74 = sub i64 %72, %73
  %75 = call i64 @llvm.smin.i64(i64 %.145.us, i64 %74)
  %76 = add nsw i64 %.046.us, -2
  %77 = icmp sgt i64 %.046.us, 2
  br i1 %77, label %.lr.ph48.split.us, label %._crit_edge49, !llvm.loop !13

._crit_edge49:                                    ; preds = %.lr.ph48.split, %.lr.ph48.split.us, %.lr.ph53
  %.1.lcssa = phi i64 [ %.02950, %.lr.ph53 ], [ %75, %.lr.ph48.split.us ], [ %97, %.lr.ph48.split ]
  %78 = add nuw nsw i64 %.02851, 2
  %79 = load i64, ptr %1, align 8, !tbaa !5
  %80 = shl nsw i64 %79, 1
  %81 = icmp slt i64 %78, %80
  br i1 %81, label %.lr.ph53, label %._crit_edge54, !llvm.loop !14

.lr.ph48.split:                                   ; preds = %.lr.ph48, %.lr.ph48.split
  %.046 = phi i64 [ %98, %.lr.ph48.split ], [ %60, %.lr.ph48 ]
  %.145 = phi i64 [ %97, %.lr.ph48.split ], [ %.02950, %.lr.ph48 ]
  %82 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIlSaIlEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %4, i64 noundef %62) #7
  %83 = load i64, ptr %82, align 8, !tbaa !5
  %84 = add nsw i64 %.046, -1
  %85 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIlSaIlEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %4, i64 noundef %84) #7
  %86 = load i64, ptr %85, align 8, !tbaa !5
  %87 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIlSaIlEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %4, i64 noundef %.02851) #7
  %88 = load i64, ptr %87, align 8, !tbaa !5
  %89 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIlSaIlEE4backEv(ptr noundef nonnull align 8 dereferenceable(24) %4) #7
  %90 = load i64, ptr %89, align 8, !tbaa !5
  %91 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIlSaIlEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %4, i64 noundef %.046) #7
  %92 = load i64, ptr %91, align 8, !tbaa !5
  %93 = add i64 %86, %83
  %94 = add i64 %93, %90
  %95 = add i64 %88, %92
  %96 = sub i64 %94, %95
  %97 = call i64 @llvm.smin.i64(i64 %.145, i64 %96)
  %98 = add nsw i64 %.046, -2
  %99 = icmp sgt i64 %98, %.02851
  br i1 %99, label %.lr.ph48.split, label %._crit_edge49, !llvm.loop !13

100:                                              ; preds = %41, %39
  %.pn = phi { ptr, i32 } [ %42, %41 ], [ %40, %39 ]
  call void @_ZNSt6vectorIlSaIlEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %2) #7
  br label %101

101:                                              ; preds = %100, %14
  %.pn.pn = phi { ptr, i32 } [ %.pn, %100 ], [ %15, %14 ]
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %2) #7
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %1) #7
  resume { ptr, i32 } %.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: nofree nounwind
declare noundef i32 @__isoc99_scanf(ptr nocapture noundef readonly, ...) local_unnamed_addr #2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSaIlEC2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #3 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorIlSaIlEEC2EmRKS0_(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef, ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #4 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) #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 #3 align 2

; Function Attrs: inlinehint mustprogress uwtable
declare dso_local void @_ZSt4sortIN9__gnu_cxx17__normal_iteratorIPlSt6vectorIlSaIlEEEEEvT_S7_(ptr, ptr) local_unnamed_addr #5

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt6vectorIlSaIlEE5beginEv(ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #3 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local ptr @_ZNSt6vectorIlSaIlEE3endEv(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 @_ZNSt6vectorIlSaIlEE4backEv(ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #3 align 2

; Function Attrs: nofree nounwind
declare noundef i32 @printf(ptr nocapture noundef readonly, ...) local_unnamed_addr #2

; 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 dso_local void @_ZNSt15__new_allocatorIlED2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #3 align 2

; Function Attrs: nocallback nofree nosync nounwind speculatable willreturn memory(none)
declare i64 @llvm.smin.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 = { 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 #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 = { 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 = distinct !{!9, !10}
!10 = !{!"llvm.loop.mustprogress"}
!11 = distinct !{!11, !10, !12}
!12 = !{!"llvm.loop.peeled.count", i32 1}
!13 = distinct !{!13, !10}
!14 = distinct !{!14, !10}


; Effective O3 passes: CorrelatedValuePropagationPass,EarlyCSEPass,GVNPass,GlobalOptPass,IPSCCPPass,InferFunctionAttrsPass,InstCombinePass,InstSimplifyPass,JumpThreadingPass,LCSSAPass,LICMPass,LoopFullUnrollPass,LoopInstSimplifyPass,LoopRotatePass,LoopSimplifyCFGPass,LoopSimplifyPass,LoopUnrollPass,ReassociatePass,SCCPPass,SROAPass,SimplifyCFGPass