; LLVM IR from DionysiosB/CodeForces :: 0500-0599 (538C-TouristsNotes)

; 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 }

@.str = external hidden unnamed_addr constant [9 x i8], align 1
@.str.1 = external hidden unnamed_addr constant [5 x i8], align 1
@.str.2 = external hidden unnamed_addr constant [11 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 i64, align 8
  %4 = alloca %"class.std::vector", align 8
  %5 = alloca %"class.std::allocator", align 1
  %6 = alloca ptr, align 8
  %7 = alloca i32, align 4
  %8 = alloca %"class.std::vector", align 8
  %9 = alloca %"class.std::allocator", align 1
  %10 = alloca i32, align 4
  %11 = alloca i64, align 8
  %12 = alloca i64, align 8
  %13 = alloca i8, align 1
  %14 = alloca i64, align 8
  %15 = alloca i64, align 8
  %16 = alloca i32, align 4
  %17 = alloca i32, align 4
  %18 = alloca i64, align 8
  %19 = alloca i64, align 8
  %20 = alloca i64, align 8
  %21 = alloca i64, align 8
  store i32 0, ptr %1, align 4
  call void @llvm.lifetime.start.p0(i64 8, ptr %2) #5
  call void @llvm.lifetime.start.p0(i64 8, ptr %3) #5
  %22 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef @.str, ptr noundef %2, ptr noundef %3)
  call void @llvm.lifetime.start.p0(i64 24, ptr %4) #5
  %23 = load i64, ptr %3, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 1, ptr %5) #5
  call void @_ZNSaIlEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %5) #5
  invoke void @_ZNSt6vectorIlSaIlEEC2EmRKS0_(ptr noundef nonnull align 8 dereferenceable(24) %4, i64 noundef %23, ptr noundef nonnull align 1 dereferenceable(1) %5)
          to label %24 unwind label %33

24:                                               ; preds = %0
  call void @_ZNSt15__new_allocatorIlED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %5) #5
  call void @llvm.lifetime.end.p0(i64 1, ptr %5) #5
  call void @llvm.lifetime.start.p0(i64 24, ptr %8) #5
  %25 = load i64, ptr %3, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 1, ptr %9) #5
  call void @_ZNSaIlEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %9) #5
  invoke void @_ZNSt6vectorIlSaIlEEC2EmRKS0_(ptr noundef nonnull align 8 dereferenceable(24) %8, i64 noundef %25, ptr noundef nonnull align 1 dereferenceable(1) %9)
          to label %26 unwind label %37

26:                                               ; preds = %24
  call void @_ZNSt15__new_allocatorIlED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %9) #5
  call void @llvm.lifetime.end.p0(i64 1, ptr %9) #5
  call void @llvm.lifetime.start.p0(i64 4, ptr %10) #5
  store i32 0, ptr %10, align 4, !tbaa !9
  br label %27

27:                                               ; preds = %52, %26
  %28 = load i32, ptr %10, align 4, !tbaa !9
  %29 = sext i32 %28 to i64
  %30 = load i64, ptr %3, align 8, !tbaa !5
  %31 = icmp slt i64 %29, %30
  br i1 %31, label %41, label %32

32:                                               ; preds = %27
  call void @llvm.lifetime.end.p0(i64 4, ptr %10) #5
  br label %59

33:                                               ; preds = %0
  %34 = landingpad { ptr, i32 }
          cleanup
  %35 = extractvalue { ptr, i32 } %34, 0
  store ptr %35, ptr %6, align 8
  %36 = extractvalue { ptr, i32 } %34, 1
  store i32 %36, ptr %7, align 4
  call void @_ZNSt15__new_allocatorIlED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %5) #5
  call void @llvm.lifetime.end.p0(i64 1, ptr %5) #5
  br label %168

37:                                               ; preds = %24
  %38 = landingpad { ptr, i32 }
          cleanup
  %39 = extractvalue { ptr, i32 } %38, 0
  store ptr %39, ptr %6, align 8
  %40 = extractvalue { ptr, i32 } %38, 1
  store i32 %40, ptr %7, align 4
  call void @_ZNSt15__new_allocatorIlED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %9) #5
  call void @llvm.lifetime.end.p0(i64 1, ptr %9) #5
  br label %167

41:                                               ; preds = %27
  call void @llvm.lifetime.start.p0(i64 8, ptr %11) #5
  call void @llvm.lifetime.start.p0(i64 8, ptr %12) #5
  %42 = invoke i32 (ptr, ...) @__isoc99_scanf(ptr noundef @.str, ptr noundef %11, ptr noundef %12)
          to label %43 unwind label %55

43:                                               ; preds = %41
  %44 = load i64, ptr %11, align 8, !tbaa !5
  %45 = load i32, ptr %10, align 4, !tbaa !9
  %46 = sext i32 %45 to i64
  %47 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIlSaIlEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %4, i64 noundef %46) #5
  store i64 %44, ptr %47, align 8, !tbaa !5
  %48 = load i64, ptr %12, align 8, !tbaa !5
  %49 = load i32, ptr %10, align 4, !tbaa !9
  %50 = sext i32 %49 to i64
  %51 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIlSaIlEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %8, i64 noundef %50) #5
  store i64 %48, ptr %51, align 8, !tbaa !5
  call void @llvm.lifetime.end.p0(i64 8, ptr %12) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr %11) #5
  br label %52

52:                                               ; preds = %43
  %53 = load i32, ptr %10, align 4, !tbaa !9
  %54 = add nsw i32 %53, 1
  store i32 %54, ptr %10, align 4, !tbaa !9
  br label %27, !llvm.loop !11

55:                                               ; preds = %41
  %56 = landingpad { ptr, i32 }
          cleanup
  %57 = extractvalue { ptr, i32 } %56, 0
  store ptr %57, ptr %6, align 8
  %58 = extractvalue { ptr, i32 } %56, 1
  store i32 %58, ptr %7, align 4
  call void @llvm.lifetime.end.p0(i64 8, ptr %12) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr %11) #5
  call void @llvm.lifetime.end.p0(i64 4, ptr %10) #5
  br label %166

59:                                               ; preds = %32
  call void @llvm.lifetime.start.p0(i64 1, ptr %13) #5
  store i8 1, ptr %13, align 1, !tbaa !13
  call void @llvm.lifetime.start.p0(i64 8, ptr %14) #5
  %60 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIlSaIlEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %8, i64 noundef 0) #5
  %61 = load i64, ptr %60, align 8, !tbaa !5
  %62 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIlSaIlEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %4, i64 noundef 0) #5
  %63 = load i64, ptr %62, align 8, !tbaa !5
  %64 = sub nsw i64 %63, 1
  %65 = add nsw i64 %61, %64
  store i64 %65, ptr %14, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %15) #5
  %66 = load i64, ptr %3, align 8, !tbaa !5
  %67 = sub nsw i64 %66, 1
  %68 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIlSaIlEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %8, i64 noundef %67) #5
  %69 = load i64, ptr %68, align 8, !tbaa !5
  %70 = load i64, ptr %2, align 8, !tbaa !5
  %71 = load i64, ptr %3, align 8, !tbaa !5
  %72 = sub nsw i64 %71, 1
  %73 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIlSaIlEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %4, i64 noundef %72) #5
  %74 = load i64, ptr %73, align 8, !tbaa !5
  %75 = sub nsw i64 %70, %74
  %76 = add nsw i64 %69, %75
  store i64 %76, ptr %15, align 8, !tbaa !5
  %77 = load i64, ptr %15, align 8, !tbaa !5
  %78 = load i64, ptr %14, align 8, !tbaa !5
  %79 = icmp sgt i64 %77, %78
  br i1 %79, label %80, label %82

80:                                               ; preds = %59
  %81 = load i64, ptr %15, align 8, !tbaa !5
  store i64 %81, ptr %14, align 8, !tbaa !5
  br label %82

82:                                               ; preds = %80, %59
  call void @llvm.lifetime.start.p0(i64 4, ptr %16) #5
  store i32 1, ptr %16, align 4, !tbaa !9
  br label %83

83:                                               ; preds = %146, %82
  %84 = load i32, ptr %16, align 4, !tbaa !9
  %85 = sext i32 %84 to i64
  %86 = load i64, ptr %3, align 8, !tbaa !5
  %87 = icmp slt i64 %85, %86
  br i1 %87, label %89, label %88

88:                                               ; preds = %83
  store i32 5, ptr %17, align 4
  br label %149

89:                                               ; preds = %83
  call void @llvm.lifetime.start.p0(i64 8, ptr %18) #5
  %90 = load i32, ptr %16, align 4, !tbaa !9
  %91 = sext i32 %90 to i64
  %92 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIlSaIlEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %4, i64 noundef %91) #5
  %93 = load i64, ptr %92, align 8, !tbaa !5
  %94 = load i32, ptr %16, align 4, !tbaa !9
  %95 = sub nsw i32 %94, 1
  %96 = sext i32 %95 to i64
  %97 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIlSaIlEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %4, i64 noundef %96) #5
  %98 = load i64, ptr %97, align 8, !tbaa !5
  %99 = sub nsw i64 %93, %98
  store i64 %99, ptr %18, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %19) #5
  %100 = load i32, ptr %16, align 4, !tbaa !9
  %101 = sext i32 %100 to i64
  %102 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIlSaIlEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %8, i64 noundef %101) #5
  %103 = load i64, ptr %102, align 8, !tbaa !5
  %104 = load i32, ptr %16, align 4, !tbaa !9
  %105 = sub nsw i32 %104, 1
  %106 = sext i32 %105 to i64
  %107 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIlSaIlEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %8, i64 noundef %106) #5
  %108 = load i64, ptr %107, align 8, !tbaa !5
  %109 = sub nsw i64 %103, %108
  store i64 %109, ptr %19, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %20) #5
  %110 = load i64, ptr %19, align 8, !tbaa !5
  %111 = icmp sgt i64 %110, 0
  br i1 %111, label %112, label %114

112:                                              ; preds = %89
  %113 = load i64, ptr %19, align 8, !tbaa !5
  br label %117

114:                                              ; preds = %89
  %115 = load i64, ptr %19, align 8, !tbaa !5
  %116 = sub nsw i64 0, %115
  br label %117

117:                                              ; preds = %114, %112
  %118 = phi i64 [ %113, %112 ], [ %116, %114 ]
  store i64 %118, ptr %20, align 8, !tbaa !5
  %119 = load i64, ptr %18, align 8, !tbaa !5
  %120 = load i64, ptr %20, align 8, !tbaa !5
  %121 = icmp slt i64 %119, %120
  br i1 %121, label %122, label %123

122:                                              ; preds = %117
  store i8 0, ptr %13, align 1, !tbaa !13
  store i32 5, ptr %17, align 4
  br label %143

123:                                              ; preds = %117
  call void @llvm.lifetime.start.p0(i64 8, ptr %21) #5
  %124 = load i64, ptr %18, align 8, !tbaa !5
  %125 = load i32, ptr %16, align 4, !tbaa !9
  %126 = sext i32 %125 to i64
  %127 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIlSaIlEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %8, i64 noundef %126) #5
  %128 = load i64, ptr %127, align 8, !tbaa !5
  %129 = add nsw i64 %124, %128
  %130 = load i32, ptr %16, align 4, !tbaa !9
  %131 = sub nsw i32 %130, 1
  %132 = sext i32 %131 to i64
  %133 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIlSaIlEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %8, i64 noundef %132) #5
  %134 = load i64, ptr %133, align 8, !tbaa !5
  %135 = add nsw i64 %129, %134
  %136 = sdiv i64 %135, 2
  store i64 %136, ptr %21, align 8, !tbaa !5
  %137 = load i64, ptr %21, align 8, !tbaa !5
  %138 = load i64, ptr %14, align 8, !tbaa !5
  %139 = icmp sgt i64 %137, %138
  br i1 %139, label %140, label %142

140:                                              ; preds = %123
  %141 = load i64, ptr %21, align 8, !tbaa !5
  store i64 %141, ptr %14, align 8, !tbaa !5
  br label %142

142:                                              ; preds = %140, %123
  call void @llvm.lifetime.end.p0(i64 8, ptr %21) #5
  store i32 0, ptr %17, align 4
  br label %143

143:                                              ; preds = %142, %122
  call void @llvm.lifetime.end.p0(i64 8, ptr %20) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr %19) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr %18) #5
  %144 = load i32, ptr %17, align 4
  switch i32 %144, label %149 [
    i32 0, label %145
  ]

145:                                              ; preds = %143
  br label %146

146:                                              ; preds = %145
  %147 = load i32, ptr %16, align 4, !tbaa !9
  %148 = add nsw i32 %147, 1
  store i32 %148, ptr %16, align 4, !tbaa !9
  br label %83, !llvm.loop !15

149:                                              ; preds = %143, %88
  call void @llvm.lifetime.end.p0(i64 4, ptr %16) #5
  br label %150

150:                                              ; preds = %149
  %151 = load i8, ptr %13, align 1, !tbaa !13, !range !16, !noundef !17
  %152 = trunc i8 %151 to i1
  br i1 %152, label %153, label %161

153:                                              ; preds = %150
  %154 = load i64, ptr %14, align 8, !tbaa !5
  %155 = invoke i32 (ptr, ...) @printf(ptr noundef @.str.1, i64 noundef %154)
          to label %156 unwind label %157

156:                                              ; preds = %153
  br label %164

157:                                              ; preds = %161, %153
  %158 = landingpad { ptr, i32 }
          cleanup
  %159 = extractvalue { ptr, i32 } %158, 0
  store ptr %159, ptr %6, align 8
  %160 = extractvalue { ptr, i32 } %158, 1
  store i32 %160, ptr %7, align 4
  call void @llvm.lifetime.end.p0(i64 8, ptr %15) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr %14) #5
  call void @llvm.lifetime.end.p0(i64 1, ptr %13) #5
  br label %166

161:                                              ; preds = %150
  %162 = invoke i32 @puts(ptr noundef @.str.2)
          to label %163 unwind label %157

163:                                              ; preds = %161
  br label %164

164:                                              ; preds = %163, %156
  store i32 0, ptr %1, align 4
  store i32 1, ptr %17, align 4
  call void @llvm.lifetime.end.p0(i64 8, ptr %15) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr %14) #5
  call void @llvm.lifetime.end.p0(i64 1, ptr %13) #5
  call void @_ZNSt6vectorIlSaIlEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %8) #5
  call void @llvm.lifetime.end.p0(i64 24, ptr %8) #5
  call void @_ZNSt6vectorIlSaIlEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %4) #5
  call void @llvm.lifetime.end.p0(i64 24, ptr %4) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr %3) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr %2) #5
  %165 = load i32, ptr %1, align 4
  ret i32 %165

166:                                              ; preds = %157, %55
  call void @_ZNSt6vectorIlSaIlEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %8) #5
  br label %167

167:                                              ; preds = %166, %37
  call void @llvm.lifetime.end.p0(i64 24, ptr %8) #5
  call void @_ZNSt6vectorIlSaIlEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %4) #5
  br label %168

168:                                              ; preds = %167, %33
  call void @llvm.lifetime.end.p0(i64 24, ptr %4) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr %3) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr %2) #5
  br label %169

169:                                              ; preds = %168
  %170 = load ptr, ptr %6, align 8
  %171 = load i32, ptr %7, align 4
  %172 = insertvalue { ptr, i32 } poison, ptr %170, 0
  %173 = insertvalue { ptr, i32 } %172, i32 %171, 1
  resume { ptr, i32 } %173
}

; 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

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

declare i32 @puts(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 = { 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 = !{!"int", !7, i64 0}
!11 = distinct !{!11, !12}
!12 = !{!"llvm.loop.mustprogress"}
!13 = !{!14, !14, i64 0}
!14 = !{!"bool", !7, i64 0}
!15 = distinct !{!15, !12}
!16 = !{i8 0, i8 2}
!17 = !{}


; 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 [9 x i8], align 1
@.str.1 = external hidden unnamed_addr constant [5 x i8], align 1
@.str.2 = external hidden unnamed_addr constant [11 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 i64, align 8
  %3 = alloca %"class.std::vector", align 8
  %4 = alloca %"class.std::allocator", align 1
  %5 = alloca %"class.std::vector", align 8
  %6 = alloca %"class.std::allocator", align 1
  %7 = alloca i64, align 8
  %8 = alloca i64, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %1) #6
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %2) #6
  %9 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef nonnull @.str, ptr noundef nonnull %1, ptr noundef nonnull %2)
  call void @llvm.lifetime.start.p0(i64 24, ptr nonnull %3) #6
  %10 = load i64, ptr %2, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 1, ptr nonnull %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 %10, ptr noundef nonnull align 1 dereferenceable(1) %4)
          to label %11 unwind label %35

11:                                               ; 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 nonnull %4) #6
  call void @llvm.lifetime.start.p0(i64 24, ptr nonnull %5) #6
  %12 = load i64, ptr %2, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 1, ptr nonnull %6) #6
  call void @_ZNSaIlEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %6) #6
  invoke void @_ZNSt6vectorIlSaIlEEC2EmRKS0_(ptr noundef nonnull align 8 dereferenceable(24) %5, i64 noundef %12, ptr noundef nonnull align 1 dereferenceable(1) %6)
          to label %13 unwind label %37

13:                                               ; preds = %11
  call void @_ZNSt15__new_allocatorIlED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %6) #6
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %6) #6
  %14 = load i64, ptr %2, align 8, !tbaa !5
  %15 = icmp sgt i64 %14, 0
  br i1 %15, label %.lr.ph, label %._crit_edge

._crit_edge:                                      ; preds = %.lr.ph, %13
  %16 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIlSaIlEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %5, i64 noundef 0) #6
  %17 = load i64, ptr %16, align 8, !tbaa !5
  %18 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIlSaIlEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %3, i64 noundef 0) #6
  %19 = load i64, ptr %18, align 8, !tbaa !5
  %20 = add i64 %17, -1
  %21 = add i64 %20, %19
  %22 = load i64, ptr %2, align 8, !tbaa !5
  %23 = add nsw i64 %22, -1
  %24 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIlSaIlEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %5, i64 noundef %23) #6
  %25 = load i64, ptr %24, align 8, !tbaa !5
  %26 = load i64, ptr %1, align 8, !tbaa !5
  %27 = load i64, ptr %2, align 8, !tbaa !5
  %28 = add nsw i64 %27, -1
  %29 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIlSaIlEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %3, i64 noundef %28) #6
  %30 = load i64, ptr %29, align 8, !tbaa !5
  %31 = add i64 %26, %25
  %32 = sub i64 %31, %30
  %spec.select = call i64 @llvm.smax.i64(i64 %32, i64 %21)
  %33 = load i64, ptr %2, align 8, !tbaa !5
  %34 = icmp sgt i64 %33, 1
  br i1 %34, label %.lr.ph55, label %._crit_edge56

35:                                               ; preds = %0
  %36 = landingpad { ptr, i32 }
          cleanup
  call void @_ZNSt15__new_allocatorIlED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %4) #6
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %4) #6
  br label %71

37:                                               ; preds = %11
  %38 = landingpad { ptr, i32 }
          cleanup
  call void @_ZNSt15__new_allocatorIlED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %6) #6
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %6) #6
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %5) #6
  call void @_ZNSt6vectorIlSaIlEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %3) #6
  br label %71

.lr.ph:                                           ; preds = %13, %.lr.ph
  %indvars.iv = phi i64 [ %indvars.iv.next, %.lr.ph ], [ 0, %13 ]
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %7) #6
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %8) #6
  %39 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef nonnull @.str, ptr noundef nonnull %7, ptr noundef nonnull %8)
  %40 = load i64, ptr %7, align 8, !tbaa !5
  %41 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIlSaIlEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %3, i64 noundef %indvars.iv) #6
  store i64 %40, ptr %41, align 8, !tbaa !5
  %42 = load i64, ptr %8, align 8, !tbaa !5
  %43 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIlSaIlEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %5, i64 noundef %indvars.iv) #6
  store i64 %42, ptr %43, align 8, !tbaa !5
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %8) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %7) #6
  %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
  %44 = load i64, ptr %2, align 8, !tbaa !5
  %45 = icmp sgt i64 %44, %indvars.iv.next
  br i1 %45, label %.lr.ph, label %._crit_edge, !llvm.loop !9

.lr.ph55:                                         ; preds = %._crit_edge, %58
  %indvars.iv58 = phi i64 [ %indvars.iv.next59, %58 ], [ 1, %._crit_edge ]
  %.13552 = phi i64 [ %spec.select44, %58 ], [ %spec.select, %._crit_edge ]
  %46 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIlSaIlEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %3, i64 noundef %indvars.iv58) #6
  %47 = load i64, ptr %46, align 8, !tbaa !5
  %48 = add nsw i64 %indvars.iv58, -1
  %49 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIlSaIlEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %3, i64 noundef %48) #6
  %50 = load i64, ptr %49, align 8, !tbaa !5
  %51 = sub nsw i64 %47, %50
  %52 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIlSaIlEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %5, i64 noundef %indvars.iv58) #6
  %53 = load i64, ptr %52, align 8, !tbaa !5
  %54 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIlSaIlEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %5, i64 noundef %48) #6
  %55 = load i64, ptr %54, align 8, !tbaa !5
  %56 = sub nsw i64 %53, %55
  %57 = call i64 @llvm.abs.i64(i64 %56, i1 true)
  %.not = icmp slt i64 %51, %57
  br i1 %.not, label %.thread47, label %58

58:                                               ; preds = %.lr.ph55
  %59 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIlSaIlEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %5, i64 noundef %indvars.iv58) #6
  %60 = load i64, ptr %59, align 8, !tbaa !5
  %61 = add nsw i64 %60, %51
  %62 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIlSaIlEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %5, i64 noundef %48) #6
  %63 = load i64, ptr %62, align 8, !tbaa !5
  %64 = add nsw i64 %61, %63
  %65 = sdiv i64 %64, 2
  %spec.select44 = call i64 @llvm.smax.i64(i64 %65, i64 %.13552)
  %indvars.iv.next59 = add nuw nsw i64 %indvars.iv58, 1
  %66 = load i64, ptr %2, align 8, !tbaa !5
  %67 = icmp sgt i64 %66, %indvars.iv.next59
  br i1 %67, label %.lr.ph55, label %._crit_edge56, !llvm.loop !11

._crit_edge56:                                    ; preds = %58, %._crit_edge
  %.135.lcssa = phi i64 [ %spec.select, %._crit_edge ], [ %spec.select44, %58 ]
  %68 = call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(1) @.str.1, i64 noundef %.135.lcssa)
  br label %70

.thread47:                                        ; preds = %.lr.ph55
  %69 = call i32 @puts(ptr noundef nonnull dereferenceable(1) @.str.2)
  br label %70

70:                                               ; preds = %.thread47, %._crit_edge56
  call void @_ZNSt6vectorIlSaIlEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %5) #6
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %5) #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
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %2) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %1) #6
  ret i32 0

71:                                               ; preds = %37, %35
  %.pn = phi { ptr, i32 } [ %38, %37 ], [ %36, %35 ]
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %3) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %2) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %1) #6
  resume { ptr, i32 } %.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: nofree nounwind
declare noundef i32 @printf(ptr nocapture noundef readonly, ...) local_unnamed_addr #2

; Function Attrs: nofree nounwind
declare noundef i32 @puts(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.abs.i64(i64, i1 immarg) #5

; Function Attrs: nocallback nofree nosync nounwind speculatable willreturn memory(none)
declare i64 @llvm.smax.i64(i64, i64) #5

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 = { nocallback nofree nosync nounwind speculatable willreturn memory(none) }
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}


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