; LLVM IR from DionysiosB/CodeForces :: 1500-1599 (1501A-AlexeyAndTrain)

; 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 [4 x i8], align 1
@.str.1 = external hidden unnamed_addr constant [8 x i8], align 1
@.str.2 = 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 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 i64, align 8
  %11 = alloca %"class.std::vector", align 8
  %12 = alloca %"class.std::allocator", align 1
  %13 = alloca i64, align 8
  %14 = alloca i64, align 8
  %15 = alloca i64, align 8
  %16 = alloca i64, align 8
  store i32 0, ptr %1, align 4
  call void @llvm.lifetime.start.p0(i64 8, ptr %2) #5
  %17 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef @.str, ptr noundef %2)
  br label %18

18:                                               ; preds = %136, %0
  %19 = load i64, ptr %2, align 8, !tbaa !5
  %20 = add nsw i64 %19, -1
  store i64 %20, ptr %2, align 8, !tbaa !5
  %21 = icmp ne i64 %19, 0
  br i1 %21, label %22, label %146

22:                                               ; preds = %18
  call void @llvm.lifetime.start.p0(i64 8, ptr %3) #5
  %23 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef @.str, ptr noundef %3)
  call void @llvm.lifetime.start.p0(i64 24, ptr %4) #5
  %24 = 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 %24, ptr noundef nonnull align 1 dereferenceable(1) %5)
          to label %25 unwind label %33

25:                                               ; preds = %22
  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
  %26 = 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 %26, ptr noundef nonnull align 1 dereferenceable(1) %9)
          to label %27 unwind label %37

27:                                               ; preds = %25
  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 8, ptr %10) #5
  store i64 0, ptr %10, align 8, !tbaa !5
  br label %28

28:                                               ; preds = %48, %27
  %29 = load i64, ptr %10, align 8, !tbaa !5
  %30 = load i64, ptr %3, align 8, !tbaa !5
  %31 = icmp slt i64 %29, %30
  br i1 %31, label %41, label %32

32:                                               ; preds = %28
  call void @llvm.lifetime.end.p0(i64 8, ptr %10) #5
  br label %55

33:                                               ; preds = %22
  %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 %145

37:                                               ; preds = %25
  %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 %144

41:                                               ; preds = %28
  %42 = load i64, ptr %10, align 8, !tbaa !5
  %43 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIlSaIlEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %4, i64 noundef %42) #5
  %44 = load i64, ptr %10, align 8, !tbaa !5
  %45 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIlSaIlEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %8, i64 noundef %44) #5
  %46 = invoke i32 (ptr, ...) @__isoc99_scanf(ptr noundef @.str.1, ptr noundef %43, ptr noundef %45)
          to label %47 unwind label %51

47:                                               ; preds = %41
  br label %48

48:                                               ; preds = %47
  %49 = load i64, ptr %10, align 8, !tbaa !5
  %50 = add nsw i64 %49, 1
  store i64 %50, ptr %10, align 8, !tbaa !5
  br label %28, !llvm.loop !9

51:                                               ; preds = %41
  %52 = landingpad { ptr, i32 }
          cleanup
  %53 = extractvalue { ptr, i32 } %52, 0
  store ptr %53, ptr %6, align 8
  %54 = extractvalue { ptr, i32 } %52, 1
  store i32 %54, ptr %7, align 4
  call void @llvm.lifetime.end.p0(i64 8, ptr %10) #5
  br label %143

55:                                               ; preds = %32
  call void @llvm.lifetime.start.p0(i64 24, ptr %11) #5
  %56 = load i64, ptr %3, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 1, ptr %12) #5
  call void @_ZNSaIlEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %12) #5
  invoke void @_ZNSt6vectorIlSaIlEEC2EmRKS0_(ptr noundef nonnull align 8 dereferenceable(24) %11, i64 noundef %56, ptr noundef nonnull align 1 dereferenceable(1) %12)
          to label %57 unwind label %63

57:                                               ; preds = %55
  call void @_ZNSt15__new_allocatorIlED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %12) #5
  call void @llvm.lifetime.end.p0(i64 1, ptr %12) #5
  call void @llvm.lifetime.start.p0(i64 8, ptr %13) #5
  store i64 0, ptr %13, align 8, !tbaa !5
  br label %58

58:                                               ; preds = %72, %57
  %59 = load i64, ptr %13, align 8, !tbaa !5
  %60 = load i64, ptr %3, align 8, !tbaa !5
  %61 = icmp slt i64 %59, %60
  br i1 %61, label %67, label %62

62:                                               ; preds = %58
  call void @llvm.lifetime.end.p0(i64 8, ptr %13) #5
  br label %79

63:                                               ; preds = %55
  %64 = landingpad { ptr, i32 }
          cleanup
  %65 = extractvalue { ptr, i32 } %64, 0
  store ptr %65, ptr %6, align 8
  %66 = extractvalue { ptr, i32 } %64, 1
  store i32 %66, ptr %7, align 4
  call void @_ZNSt15__new_allocatorIlED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %12) #5
  call void @llvm.lifetime.end.p0(i64 1, ptr %12) #5
  br label %142

67:                                               ; preds = %58
  %68 = load i64, ptr %13, align 8, !tbaa !5
  %69 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIlSaIlEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %11, i64 noundef %68) #5
  %70 = invoke i32 (ptr, ...) @__isoc99_scanf(ptr noundef @.str, ptr noundef %69)
          to label %71 unwind label %75

71:                                               ; preds = %67
  br label %72

72:                                               ; preds = %71
  %73 = load i64, ptr %13, align 8, !tbaa !5
  %74 = add nsw i64 %73, 1
  store i64 %74, ptr %13, align 8, !tbaa !5
  br label %58, !llvm.loop !11

75:                                               ; preds = %67
  %76 = landingpad { ptr, i32 }
          cleanup
  %77 = extractvalue { ptr, i32 } %76, 0
  store ptr %77, ptr %6, align 8
  %78 = extractvalue { ptr, i32 } %76, 1
  store i32 %78, ptr %7, align 4
  call void @llvm.lifetime.end.p0(i64 8, ptr %13) #5
  br label %141

79:                                               ; preds = %62
  call void @llvm.lifetime.start.p0(i64 8, ptr %14) #5
  store i64 0, ptr %14, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %15) #5
  store i64 0, ptr %15, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %16) #5
  store i64 0, ptr %16, align 8, !tbaa !5
  br label %80

80:                                               ; preds = %130, %79
  %81 = load i64, ptr %16, align 8, !tbaa !5
  %82 = load i64, ptr %3, align 8, !tbaa !5
  %83 = icmp slt i64 %81, %82
  br i1 %83, label %85, label %84

84:                                               ; preds = %80
  call void @llvm.lifetime.end.p0(i64 8, ptr %16) #5
  br label %133

85:                                               ; preds = %80
  %86 = load i64, ptr %15, align 8, !tbaa !5
  %87 = load i64, ptr %16, align 8, !tbaa !5
  %88 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIlSaIlEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %4, i64 noundef %87) #5
  %89 = load i64, ptr %88, align 8, !tbaa !5
  %90 = load i64, ptr %16, align 8, !tbaa !5
  %91 = icmp ne i64 %90, 0
  br i1 %91, label %92, label %97

92:                                               ; preds = %85
  %93 = load i64, ptr %16, align 8, !tbaa !5
  %94 = sub nsw i64 %93, 1
  %95 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIlSaIlEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %8, i64 noundef %94) #5
  %96 = load i64, ptr %95, align 8, !tbaa !5
  br label %98

97:                                               ; preds = %85
  br label %98

98:                                               ; preds = %97, %92
  %99 = phi i64 [ %96, %92 ], [ 0, %97 ]
  %100 = sub nsw i64 %89, %99
  %101 = load i64, ptr %16, align 8, !tbaa !5
  %102 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIlSaIlEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %11, i64 noundef %101) #5
  %103 = load i64, ptr %102, align 8, !tbaa !5
  %104 = add nsw i64 %100, %103
  %105 = add nsw i64 %86, %104
  store i64 %105, ptr %14, align 8, !tbaa !5
  %106 = load i64, ptr %14, align 8, !tbaa !5
  %107 = load i64, ptr %16, align 8, !tbaa !5
  %108 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIlSaIlEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %8, i64 noundef %107) #5
  %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) %4, i64 noundef %110) #5
  %112 = load i64, ptr %111, align 8, !tbaa !5
  %113 = sub nsw i64 %109, %112
  %114 = add nsw i64 %113, 1
  %115 = sdiv i64 %114, 2
  %116 = add nsw i64 %106, %115
  store i64 %116, ptr %15, align 8, !tbaa !5
  %117 = load i64, ptr %15, align 8, !tbaa !5
  %118 = load i64, ptr %16, align 8, !tbaa !5
  %119 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIlSaIlEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %8, i64 noundef %118) #5
  %120 = load i64, ptr %119, align 8, !tbaa !5
  %121 = icmp sgt i64 %117, %120
  br i1 %121, label %122, label %124

122:                                              ; preds = %98
  %123 = load i64, ptr %15, align 8, !tbaa !5
  br label %128

124:                                              ; preds = %98
  %125 = load i64, ptr %16, align 8, !tbaa !5
  %126 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIlSaIlEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %8, i64 noundef %125) #5
  %127 = load i64, ptr %126, align 8, !tbaa !5
  br label %128

128:                                              ; preds = %124, %122
  %129 = phi i64 [ %123, %122 ], [ %127, %124 ]
  store i64 %129, ptr %15, align 8, !tbaa !5
  br label %130

130:                                              ; preds = %128
  %131 = load i64, ptr %16, align 8, !tbaa !5
  %132 = add nsw i64 %131, 1
  store i64 %132, ptr %16, align 8, !tbaa !5
  br label %80, !llvm.loop !12

133:                                              ; preds = %84
  %134 = load i64, ptr %14, align 8, !tbaa !5
  %135 = invoke i32 (ptr, ...) @printf(ptr noundef @.str.2, i64 noundef %134)
          to label %136 unwind label %137

136:                                              ; preds = %133
  call void @llvm.lifetime.end.p0(i64 8, ptr %15) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr %14) #5
  call void @_ZNSt6vectorIlSaIlEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %11) #5
  call void @llvm.lifetime.end.p0(i64 24, ptr %11) #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
  br label %18, !llvm.loop !13

137:                                              ; preds = %133
  %138 = landingpad { ptr, i32 }
          cleanup
  %139 = extractvalue { ptr, i32 } %138, 0
  store ptr %139, ptr %6, align 8
  %140 = extractvalue { ptr, i32 } %138, 1
  store i32 %140, 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
  br label %141

141:                                              ; preds = %137, %75
  call void @_ZNSt6vectorIlSaIlEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %11) #5
  br label %142

142:                                              ; preds = %141, %63
  call void @llvm.lifetime.end.p0(i64 24, ptr %11) #5
  br label %143

143:                                              ; preds = %142, %51
  call void @_ZNSt6vectorIlSaIlEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %8) #5
  br label %144

144:                                              ; preds = %143, %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 %145

145:                                              ; preds = %144, %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 %148

146:                                              ; preds = %18
  call void @llvm.lifetime.end.p0(i64 8, ptr %2) #5
  %147 = load i32, ptr %1, align 4
  ret i32 %147

148:                                              ; preds = %145
  %149 = load ptr, ptr %6, align 8
  %150 = load i32, ptr %7, align 4
  %151 = insertvalue { ptr, i32 } poison, ptr %149, 0
  %152 = insertvalue { ptr, i32 } %151, i32 %150, 1
  resume { ptr, i32 } %152
}

; 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

; 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 = 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 [8 x i8], align 1
@.str.2 = 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 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 %"class.std::vector", align 8
  %8 = alloca %"class.std::allocator", align 1
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %1) #5
  %9 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef nonnull @.str, ptr noundef nonnull %1)
  %10 = load i64, ptr %1, align 8, !tbaa !5
  %11 = add nsw i64 %10, -1
  store i64 %11, ptr %1, align 8, !tbaa !5
  %.not45 = icmp eq i64 %10, 0
  br i1 %.not45, label %._crit_edge48, label %.lr.ph47

.lr.ph47:                                         ; preds = %0, %._crit_edge43
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %2) #5
  %12 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef nonnull @.str, ptr noundef nonnull %2)
  call void @llvm.lifetime.start.p0(i64 24, ptr nonnull %3) #5
  %13 = load i64, ptr %2, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 1, ptr nonnull %4) #5
  call void @_ZNSaIlEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %4) #5
  invoke void @_ZNSt6vectorIlSaIlEEC2EmRKS0_(ptr noundef nonnull align 8 dereferenceable(24) %3, i64 noundef %13, ptr noundef nonnull align 1 dereferenceable(1) %4)
          to label %14 unwind label %19

14:                                               ; preds = %.lr.ph47
  call void @_ZNSt15__new_allocatorIlED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %4) #5
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %4) #5
  call void @llvm.lifetime.start.p0(i64 24, ptr nonnull %5) #5
  %15 = load i64, ptr %2, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 1, ptr nonnull %6) #5
  call void @_ZNSaIlEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %6) #5
  invoke void @_ZNSt6vectorIlSaIlEEC2EmRKS0_(ptr noundef nonnull align 8 dereferenceable(24) %5, i64 noundef %15, ptr noundef nonnull align 1 dereferenceable(1) %6)
          to label %16 unwind label %21

16:                                               ; preds = %14
  call void @_ZNSt15__new_allocatorIlED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %6) #5
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %6) #5
  %17 = load i64, ptr %2, align 8, !tbaa !5
  %18 = icmp sgt i64 %17, 0
  br i1 %18, label %.lr.ph, label %._crit_edge

._crit_edge:                                      ; preds = %.lr.ph, %16
  %.lcssa = phi i64 [ %17, %16 ], [ %27, %.lr.ph ]
  call void @llvm.lifetime.start.p0(i64 24, ptr nonnull %7) #5
  call void @llvm.lifetime.start.p0(i64 1, ptr nonnull %8) #5
  call void @_ZNSaIlEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %8) #5
  invoke void @_ZNSt6vectorIlSaIlEEC2EmRKS0_(ptr noundef nonnull align 8 dereferenceable(24) %7, i64 noundef %.lcssa, ptr noundef nonnull align 1 dereferenceable(1) %8)
          to label %29 unwind label %57

19:                                               ; preds = %.lr.ph47
  %20 = landingpad { ptr, i32 }
          cleanup
  call void @_ZNSt15__new_allocatorIlED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %4) #5
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %4) #5
  br label %97

21:                                               ; preds = %14
  %22 = landingpad { ptr, i32 }
          cleanup
  call void @_ZNSt15__new_allocatorIlED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %6) #5
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %6) #5
  br label %96

.lr.ph:                                           ; preds = %16, %.lr.ph
  %.02736 = phi i64 [ %26, %.lr.ph ], [ 0, %16 ]
  %23 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIlSaIlEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %3, i64 noundef %.02736) #5
  %24 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIlSaIlEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %5, i64 noundef %.02736) #5
  %25 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef nonnull @.str.1, ptr noundef nonnull %23, ptr noundef nonnull %24)
  %26 = add nuw nsw i64 %.02736, 1
  %27 = load i64, ptr %2, align 8, !tbaa !5
  %28 = icmp slt i64 %26, %27
  br i1 %28, label %.lr.ph, label %._crit_edge, !llvm.loop !9

29:                                               ; preds = %._crit_edge
  call void @_ZNSt15__new_allocatorIlED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %8) #5
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %8) #5
  %30 = load i64, ptr %2, align 8, !tbaa !5
  %31 = icmp sgt i64 %30, 0
  br i1 %31, label %.lr.ph39, label %._crit_edge43

.preheader:                                       ; preds = %.lr.ph39
  %32 = icmp sgt i64 %62, 0
  br i1 %32, label %33, label %._crit_edge43

33:                                               ; preds = %.preheader
  %34 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIlSaIlEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %3, i64 noundef 0) #5
  %35 = load i64, ptr %34, align 8, !tbaa !5
  %36 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIlSaIlEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %7, i64 noundef 0) #5
  %37 = load i64, ptr %36, align 8, !tbaa !5
  %38 = add i64 %35, %37
  %39 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIlSaIlEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %5, i64 noundef 0) #5
  %40 = load i64, ptr %39, align 8, !tbaa !5
  %41 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIlSaIlEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %3, i64 noundef 0) #5
  %42 = load i64, ptr %41, align 8, !tbaa !5
  %43 = add i64 %40, 1
  %44 = sub i64 %43, %42
  %45 = sdiv i64 %44, 2
  %46 = add nsw i64 %45, %38
  %47 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIlSaIlEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %5, i64 noundef 0) #5
  %48 = load i64, ptr %47, align 8, !tbaa !5
  %49 = icmp sgt i64 %46, %48
  br i1 %49, label %53, label %50

50:                                               ; preds = %33
  %51 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIlSaIlEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %5, i64 noundef 0) #5
  %52 = load i64, ptr %51, align 8, !tbaa !5
  br label %53

53:                                               ; preds = %50, %33
  %54 = phi i64 [ %52, %50 ], [ %46, %33 ]
  %55 = load i64, ptr %2, align 8, !tbaa !5
  %56 = icmp sgt i64 %55, 1
  br i1 %56, label %.lr.ph42.peel.next, label %._crit_edge43

57:                                               ; preds = %._crit_edge
  %58 = landingpad { ptr, i32 }
          cleanup
  call void @_ZNSt15__new_allocatorIlED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %8) #5
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %8) #5
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %7) #5
  call void @_ZNSt6vectorIlSaIlEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %5) #5
  br label %96

.lr.ph39:                                         ; preds = %29, %.lr.ph39
  %.02637 = phi i64 [ %61, %.lr.ph39 ], [ 0, %29 ]
  %59 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIlSaIlEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %7, i64 noundef %.02637) #5
  %60 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef nonnull @.str, ptr noundef nonnull %59)
  %61 = add nuw nsw i64 %.02637, 1
  %62 = load i64, ptr %2, align 8, !tbaa !5
  %63 = icmp slt i64 %61, %62
  br i1 %63, label %.lr.ph39, label %.preheader, !llvm.loop !11

._crit_edge43:                                    ; preds = %91, %29, %53, %.preheader
  %.025.lcssa = phi i64 [ 0, %.preheader ], [ %38, %53 ], [ 0, %29 ], [ %76, %91 ]
  %64 = call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(1) @.str.2, i64 noundef %.025.lcssa)
  call void @_ZNSt6vectorIlSaIlEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %7) #5
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %7) #5
  call void @_ZNSt6vectorIlSaIlEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %5) #5
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %5) #5
  call void @_ZNSt6vectorIlSaIlEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %3) #5
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %3) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %2) #5
  %65 = load i64, ptr %1, align 8, !tbaa !5
  %66 = add nsw i64 %65, -1
  store i64 %66, ptr %1, align 8, !tbaa !5
  %.not = icmp eq i64 %65, 0
  br i1 %.not, label %._crit_edge48, label %.lr.ph47, !llvm.loop !12

.lr.ph42.peel.next:                               ; preds = %53, %91
  %.041 = phi i64 [ %93, %91 ], [ 1, %53 ]
  %.02440 = phi i64 [ %92, %91 ], [ %54, %53 ]
  %67 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIlSaIlEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %3, i64 noundef %.041) #5
  %68 = load i64, ptr %67, align 8, !tbaa !5
  %69 = add nsw i64 %.041, -1
  %70 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIlSaIlEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %5, i64 noundef %69) #5
  %71 = load i64, ptr %70, align 8, !tbaa !5
  %72 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIlSaIlEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %7, i64 noundef %.041) #5
  %73 = load i64, ptr %72, align 8, !tbaa !5
  %74 = add i64 %68, %.02440
  %75 = sub i64 %74, %71
  %76 = add i64 %75, %73
  %77 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIlSaIlEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %5, i64 noundef %.041) #5
  %78 = load i64, ptr %77, align 8, !tbaa !5
  %79 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIlSaIlEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %3, i64 noundef %.041) #5
  %80 = load i64, ptr %79, align 8, !tbaa !5
  %81 = add i64 %78, 1
  %82 = sub i64 %81, %80
  %83 = sdiv i64 %82, 2
  %84 = add nsw i64 %83, %76
  %85 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIlSaIlEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %5, i64 noundef %.041) #5
  %86 = load i64, ptr %85, align 8, !tbaa !5
  %87 = icmp sgt i64 %84, %86
  br i1 %87, label %91, label %88

88:                                               ; preds = %.lr.ph42.peel.next
  %89 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIlSaIlEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %5, i64 noundef %.041) #5
  %90 = load i64, ptr %89, align 8, !tbaa !5
  br label %91

91:                                               ; preds = %.lr.ph42.peel.next, %88
  %92 = phi i64 [ %90, %88 ], [ %84, %.lr.ph42.peel.next ]
  %93 = add nuw nsw i64 %.041, 1
  %94 = load i64, ptr %2, align 8, !tbaa !5
  %95 = icmp slt i64 %93, %94
  br i1 %95, label %.lr.ph42.peel.next, label %._crit_edge43, !llvm.loop !13

96:                                               ; preds = %57, %21
  %.pn = phi { ptr, i32 } [ %58, %57 ], [ %22, %21 ]
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %5) #5
  call void @_ZNSt6vectorIlSaIlEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %3) #5
  br label %97

97:                                               ; preds = %96, %19
  %.pn.pn = phi { ptr, i32 } [ %.pn, %96 ], [ %20, %19 ]
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %3) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %2) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %1) #5
  resume { ptr, i32 } %.pn.pn

._crit_edge48:                                    ; preds = %._crit_edge43, %0
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %1) #5
  ret i32 0
}

; 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: 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 = { 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 = { 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, !14}
!14 = !{!"llvm.loop.peeled.count", i32 1}


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