; LLVM IR from DionysiosB/CodeForces :: 2004C-SplittingItems (main)

; 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 long, std::allocator<long long>>::_Vector_impl" }
%"struct.std::_Vector_base<long long, std::allocator<long long>>::_Vector_impl" = type { %"struct.std::_Vector_base<long long, std::allocator<long long>>::_Vector_impl_data" }
%"struct.std::_Vector_base<long long, std::allocator<long long>>::_Vector_impl_data" = type { ptr, ptr, ptr }
%"class.std::allocator" = type { i8 }
%"class.std::reverse_iterator" = type { %"class.__gnu_cxx::__normal_iterator" }
%"class.__gnu_cxx::__normal_iterator" = type { ptr }

@.str = external hidden unnamed_addr constant [5 x i8], align 1
@.str.1 = external hidden unnamed_addr constant [10 x i8], align 1
@.str.2 = external hidden unnamed_addr constant [6 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 i64, align 8
  %5 = alloca %"class.std::vector", align 8
  %6 = alloca %"class.std::allocator", align 1
  %7 = alloca ptr, align 8
  %8 = alloca i32, align 4
  %9 = alloca i64, align 8
  %10 = alloca %"class.std::reverse_iterator", align 8
  %11 = alloca %"class.std::reverse_iterator", align 8
  %12 = alloca i64, align 8
  %13 = alloca i64, align 8
  %14 = alloca i64, align 8
  %15 = alloca i64, align 8
  store i32 0, ptr %1, align 4
  call void @llvm.lifetime.start.p0(i64 8, ptr %2) #6
  %16 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef @.str, ptr noundef %2)
  br label %17

17:                                               ; preds = %104, %0
  %18 = load i64, ptr %2, align 8, !tbaa !5
  %19 = add nsw i64 %18, -1
  store i64 %19, ptr %2, align 8, !tbaa !5
  %20 = icmp ne i64 %18, 0
  br i1 %20, label %21, label %111

21:                                               ; preds = %17
  call void @llvm.lifetime.start.p0(i64 8, ptr %3) #6
  call void @llvm.lifetime.start.p0(i64 8, ptr %4) #6
  %22 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef @.str.1, ptr noundef %3, ptr noundef %4)
  call void @llvm.lifetime.start.p0(i64 24, ptr %5) #6
  %23 = load i64, ptr %3, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 1, ptr %6) #6
  call void @_ZNSaIxEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %6) #6
  invoke void @_ZNSt6vectorIxSaIxEEC2EmRKS0_(ptr noundef nonnull align 8 dereferenceable(24) %5, i64 noundef %23, ptr noundef nonnull align 1 dereferenceable(1) %6)
          to label %24 unwind label %30

24:                                               ; preds = %21
  call void @_ZNSt15__new_allocatorIxED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %6) #6
  call void @llvm.lifetime.end.p0(i64 1, ptr %6) #6
  call void @llvm.lifetime.start.p0(i64 8, ptr %9) #6
  store i64 0, ptr %9, align 8, !tbaa !5
  br label %25

25:                                               ; preds = %39, %24
  %26 = load i64, ptr %9, align 8, !tbaa !5
  %27 = load i64, ptr %3, align 8, !tbaa !5
  %28 = icmp slt i64 %26, %27
  br i1 %28, label %34, label %29

29:                                               ; preds = %25
  call void @llvm.lifetime.end.p0(i64 8, ptr %9) #6
  br label %46

30:                                               ; preds = %21
  %31 = landingpad { ptr, i32 }
          cleanup
  %32 = extractvalue { ptr, i32 } %31, 0
  store ptr %32, ptr %7, align 8
  %33 = extractvalue { ptr, i32 } %31, 1
  store i32 %33, ptr %8, align 4
  call void @_ZNSt15__new_allocatorIxED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %6) #6
  call void @llvm.lifetime.end.p0(i64 1, ptr %6) #6
  br label %110

34:                                               ; preds = %25
  %35 = load i64, ptr %9, align 8, !tbaa !5
  %36 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIxSaIxEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %5, i64 noundef %35) #6
  %37 = invoke i32 (ptr, ...) @__isoc99_scanf(ptr noundef @.str, ptr noundef %36)
          to label %38 unwind label %42

38:                                               ; preds = %34
  br label %39

39:                                               ; preds = %38
  %40 = load i64, ptr %9, align 8, !tbaa !5
  %41 = add nsw i64 %40, 1
  store i64 %41, ptr %9, align 8, !tbaa !5
  br label %25, !llvm.loop !9

42:                                               ; preds = %34
  %43 = landingpad { ptr, i32 }
          cleanup
  %44 = extractvalue { ptr, i32 } %43, 0
  store ptr %44, ptr %7, align 8
  %45 = extractvalue { ptr, i32 } %43, 1
  store i32 %45, ptr %8, align 4
  call void @llvm.lifetime.end.p0(i64 8, ptr %9) #6
  br label %109

46:                                               ; preds = %29
  call void @_ZNSt6vectorIxSaIxEE6rbeginEv(ptr dead_on_unwind writable sret(%"class.std::reverse_iterator") align 8 %10, ptr noundef nonnull align 8 dereferenceable(24) %5) #6
  call void @_ZNSt6vectorIxSaIxEE4rendEv(ptr dead_on_unwind writable sret(%"class.std::reverse_iterator") align 8 %11, ptr noundef nonnull align 8 dereferenceable(24) %5) #6
  invoke void @_ZSt4sortISt16reverse_iteratorIN9__gnu_cxx17__normal_iteratorIPxSt6vectorIxSaIxEEEEEEvT_S9_(ptr noundef %10, ptr noundef %11)
          to label %47 unwind label %53

47:                                               ; preds = %46
  call void @llvm.lifetime.start.p0(i64 8, ptr %12) #6
  store i64 0, ptr %12, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %13) #6
  store i64 0, ptr %13, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %14) #6
  store i64 0, ptr %14, align 8, !tbaa !5
  br label %48

48:                                               ; preds = %96, %47
  %49 = load i64, ptr %14, align 8, !tbaa !5
  %50 = load i64, ptr %3, align 8, !tbaa !5
  %51 = icmp slt i64 %49, %50
  br i1 %51, label %57, label %52

52:                                               ; preds = %48
  call void @llvm.lifetime.end.p0(i64 8, ptr %14) #6
  br label %99

53:                                               ; preds = %46
  %54 = landingpad { ptr, i32 }
          cleanup
  %55 = extractvalue { ptr, i32 } %54, 0
  store ptr %55, ptr %7, align 8
  %56 = extractvalue { ptr, i32 } %54, 1
  store i32 %56, ptr %8, align 4
  br label %109

57:                                               ; preds = %48
  %58 = load i64, ptr %14, align 8, !tbaa !5
  %59 = srem i64 %58, 2
  %60 = icmp ne i64 %59, 0
  br i1 %60, label %61, label %89

61:                                               ; preds = %57
  call void @llvm.lifetime.start.p0(i64 8, ptr %15) #6
  %62 = load i64, ptr %14, align 8, !tbaa !5
  %63 = sub nsw i64 %62, 1
  %64 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIxSaIxEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %5, i64 noundef %63) #6
  %65 = load i64, ptr %64, align 8, !tbaa !5
  %66 = load i64, ptr %14, align 8, !tbaa !5
  %67 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIxSaIxEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %5, i64 noundef %66) #6
  %68 = load i64, ptr %67, align 8, !tbaa !5
  %69 = sub nsw i64 %65, %68
  store i64 %69, ptr %15, align 8, !tbaa !5
  %70 = load i64, ptr %15, align 8, !tbaa !5
  %71 = load i64, ptr %4, align 8, !tbaa !5
  %72 = icmp slt i64 %70, %71
  br i1 %72, label %73, label %75

73:                                               ; preds = %61
  %74 = load i64, ptr %15, align 8, !tbaa !5
  br label %77

75:                                               ; preds = %61
  %76 = load i64, ptr %4, align 8, !tbaa !5
  br label %77

77:                                               ; preds = %75, %73
  %78 = phi i64 [ %74, %73 ], [ %76, %75 ]
  store i64 %78, ptr %15, align 8, !tbaa !5
  %79 = load i64, ptr %15, align 8, !tbaa !5
  %80 = load i64, ptr %4, align 8, !tbaa !5
  %81 = sub nsw i64 %80, %79
  store i64 %81, ptr %4, align 8, !tbaa !5
  %82 = load i64, ptr %14, align 8, !tbaa !5
  %83 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIxSaIxEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %5, i64 noundef %82) #6
  %84 = load i64, ptr %83, align 8, !tbaa !5
  %85 = load i64, ptr %15, align 8, !tbaa !5
  %86 = add nsw i64 %84, %85
  %87 = load i64, ptr %13, align 8, !tbaa !5
  %88 = add nsw i64 %87, %86
  store i64 %88, ptr %13, align 8, !tbaa !5
  call void @llvm.lifetime.end.p0(i64 8, ptr %15) #6
  br label %95

89:                                               ; preds = %57
  %90 = load i64, ptr %14, align 8, !tbaa !5
  %91 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIxSaIxEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %5, i64 noundef %90) #6
  %92 = load i64, ptr %91, align 8, !tbaa !5
  %93 = load i64, ptr %12, align 8, !tbaa !5
  %94 = add nsw i64 %93, %92
  store i64 %94, ptr %12, align 8, !tbaa !5
  br label %95

95:                                               ; preds = %89, %77
  br label %96

96:                                               ; preds = %95
  %97 = load i64, ptr %14, align 8, !tbaa !5
  %98 = add nsw i64 %97, 1
  store i64 %98, ptr %14, align 8, !tbaa !5
  br label %48, !llvm.loop !11

99:                                               ; preds = %52
  %100 = load i64, ptr %12, align 8, !tbaa !5
  %101 = load i64, ptr %13, align 8, !tbaa !5
  %102 = sub nsw i64 %100, %101
  %103 = invoke i32 (ptr, ...) @printf(ptr noundef @.str.2, i64 noundef %102)
          to label %104 unwind label %105

104:                                              ; preds = %99
  call void @llvm.lifetime.end.p0(i64 8, ptr %13) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr %12) #6
  call void @_ZNSt6vectorIxSaIxEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %5) #6
  call void @llvm.lifetime.end.p0(i64 24, ptr %5) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr %4) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr %3) #6
  br label %17, !llvm.loop !12

105:                                              ; preds = %99
  %106 = landingpad { ptr, i32 }
          cleanup
  %107 = extractvalue { ptr, i32 } %106, 0
  store ptr %107, ptr %7, align 8
  %108 = extractvalue { ptr, i32 } %106, 1
  store i32 %108, ptr %8, align 4
  call void @llvm.lifetime.end.p0(i64 8, ptr %13) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr %12) #6
  br label %109

109:                                              ; preds = %105, %53, %42
  call void @_ZNSt6vectorIxSaIxEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %5) #6
  br label %110

110:                                              ; preds = %109, %30
  call void @llvm.lifetime.end.p0(i64 24, ptr %5) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr %4) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr %3) #6
  call void @llvm.lifetime.end.p0(i64 8, ptr %2) #6
  br label %113

111:                                              ; preds = %17
  call void @llvm.lifetime.end.p0(i64 8, ptr %2) #6
  %112 = load i32, ptr %1, align 4
  ret i32 %112

113:                                              ; preds = %110
  %114 = load ptr, ptr %7, align 8
  %115 = load i32, ptr %8, align 4
  %116 = insertvalue { ptr, i32 } poison, ptr %114, 0
  %117 = insertvalue { ptr, i32 } %116, i32 %115, 1
  resume { ptr, i32 } %117
}

; 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 @_ZNSaIxEC2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #3 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorIxSaIxEEC2EmRKS0_(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 @_ZNSt6vectorIxSaIxEEixEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) #3 align 2

; Function Attrs: inlinehint mustprogress uwtable
declare dso_local void @_ZSt4sortISt16reverse_iteratorIN9__gnu_cxx17__normal_iteratorIPxSt6vectorIxSaIxEEEEEEvT_S9_(ptr noundef, ptr noundef) #5

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorIxSaIxEE6rbeginEv(ptr dead_on_unwind noalias writable sret(%"class.std::reverse_iterator") align 8, ptr noundef nonnull align 8 dereferenceable(24)) #3 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorIxSaIxEE4rendEv(ptr dead_on_unwind noalias writable sret(%"class.std::reverse_iterator") align 8, 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 @_ZNSt6vectorIxSaIxEED2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #3 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt15__new_allocatorIxED2Ev(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 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}


; 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 long, std::allocator<long long>>::_Vector_impl" }
%"struct.std::_Vector_base<long long, std::allocator<long long>>::_Vector_impl" = type { %"struct.std::_Vector_base<long long, std::allocator<long long>>::_Vector_impl_data" }
%"struct.std::_Vector_base<long long, std::allocator<long long>>::_Vector_impl_data" = type { ptr, ptr, ptr }
%"class.std::allocator" = type { i8 }
%"class.std::reverse_iterator" = type { %"class.__gnu_cxx::__normal_iterator" }
%"class.__gnu_cxx::__normal_iterator" = type { ptr }

@.str = external hidden unnamed_addr constant [5 x i8], align 1
@.str.1 = external hidden unnamed_addr constant [10 x i8], align 1
@.str.2 = external hidden unnamed_addr constant [6 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 i64, align 8
  %4 = alloca %"class.std::vector", align 8
  %5 = alloca %"class.std::allocator", align 1
  %6 = alloca %"class.std::reverse_iterator", align 8
  %7 = alloca %"class.std::reverse_iterator", align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %1) #7
  %8 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef nonnull @.str, ptr noundef nonnull %1)
  %9 = load i64, ptr %1, align 8, !tbaa !5
  %10 = add nsw i64 %9, -1
  store i64 %10, ptr %1, align 8, !tbaa !5
  %.not35 = icmp eq i64 %9, 0
  br i1 %.not35, label %._crit_edge38, label %.lr.ph37

.lr.ph37:                                         ; preds = %0, %._crit_edge33
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %2) #7
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %3) #7
  %11 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef nonnull @.str.1, ptr noundef nonnull %2, ptr noundef nonnull %3)
  call void @llvm.lifetime.start.p0(i64 24, ptr nonnull %4) #7
  %12 = load i64, ptr %2, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 1, ptr nonnull %5) #7
  call void @_ZNSaIxEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %5) #7
  invoke void @_ZNSt6vectorIxSaIxEEC2EmRKS0_(ptr noundef nonnull align 8 dereferenceable(24) %4, i64 noundef %12, ptr noundef nonnull align 1 dereferenceable(1) %5)
          to label %13 unwind label %18

13:                                               ; preds = %.lr.ph37
  call void @_ZNSt15__new_allocatorIxED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %5) #7
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %5) #7
  %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
  call void @_ZNSt6vectorIxSaIxEE6rbeginEv(ptr dead_on_unwind nonnull writable sret(%"class.std::reverse_iterator") align 8 %6, ptr noundef nonnull align 8 dereferenceable(24) %4) #7
  call void @_ZNSt6vectorIxSaIxEE4rendEv(ptr dead_on_unwind nonnull writable sret(%"class.std::reverse_iterator") align 8 %7, ptr noundef nonnull align 8 dereferenceable(24) %4) #7
  invoke void @_ZSt4sortISt16reverse_iteratorIN9__gnu_cxx17__normal_iteratorIPxSt6vectorIxSaIxEEEEEEvT_S9_(ptr noundef nonnull %6, ptr noundef nonnull %7)
          to label %.preheader unwind label %30

.preheader:                                       ; preds = %._crit_edge
  %16 = load i64, ptr %2, align 8, !tbaa !5
  %17 = icmp sgt i64 %16, 0
  br i1 %17, label %.lr.ph32, label %._crit_edge33

18:                                               ; preds = %.lr.ph37
  %19 = landingpad { ptr, i32 }
          cleanup
  call void @_ZNSt15__new_allocatorIxED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %5) #7
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %5) #7
  br label %55

.lr.ph:                                           ; preds = %13, %.lr.ph
  %.02428 = phi i64 [ %22, %.lr.ph ], [ 0, %13 ]
  %20 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIxSaIxEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %4, i64 noundef %.02428) #7
  %21 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef nonnull @.str, ptr noundef nonnull %20)
  %22 = add nuw nsw i64 %.02428, 1
  %23 = load i64, ptr %2, align 8, !tbaa !5
  %24 = icmp slt i64 %22, %23
  br i1 %24, label %.lr.ph, label %._crit_edge, !llvm.loop !9

._crit_edge33.loopexit:                           ; preds = %51
  %25 = sub nsw i64 %.123, %.1
  br label %._crit_edge33

._crit_edge33:                                    ; preds = %._crit_edge33.loopexit, %.preheader
  %26 = phi i64 [ 0, %.preheader ], [ %25, %._crit_edge33.loopexit ]
  %27 = call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(1) @.str.2, i64 noundef %26)
  call void @_ZNSt6vectorIxSaIxEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %4) #7
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %4) #7
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %3) #7
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %2) #7
  %28 = load i64, ptr %1, align 8, !tbaa !5
  %29 = add nsw i64 %28, -1
  store i64 %29, ptr %1, align 8, !tbaa !5
  %.not = icmp eq i64 %28, 0
  br i1 %.not, label %._crit_edge38, label %.lr.ph37, !llvm.loop !11

30:                                               ; preds = %._crit_edge
  %31 = landingpad { ptr, i32 }
          cleanup
  call void @_ZNSt6vectorIxSaIxEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %4) #7
  br label %55

.lr.ph32:                                         ; preds = %.preheader, %51
  %.02031 = phi i64 [ %52, %51 ], [ 0, %.preheader ]
  %.02130 = phi i64 [ %.1, %51 ], [ 0, %.preheader ]
  %.02229 = phi i64 [ %.123, %51 ], [ 0, %.preheader ]
  %32 = and i64 %.02031, 1
  %.not27 = icmp eq i64 %32, 0
  br i1 %.not27, label %47, label %33

33:                                               ; preds = %.lr.ph32
  %34 = add nsw i64 %.02031, -1
  %35 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIxSaIxEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %4, i64 noundef %34) #7
  %36 = load i64, ptr %35, align 8, !tbaa !5
  %37 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIxSaIxEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %4, i64 noundef %.02031) #7
  %38 = load i64, ptr %37, align 8, !tbaa !5
  %39 = sub nsw i64 %36, %38
  %40 = load i64, ptr %3, align 8
  %41 = call i64 @llvm.smin.i64(i64 %39, i64 %40)
  %42 = sub nsw i64 %40, %41
  store i64 %42, ptr %3, align 8, !tbaa !5
  %43 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIxSaIxEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %4, i64 noundef %.02031) #7
  %44 = load i64, ptr %43, align 8, !tbaa !5
  %45 = add i64 %41, %.02130
  %46 = add i64 %45, %44
  br label %51

47:                                               ; preds = %.lr.ph32
  %48 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIxSaIxEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %4, i64 noundef %.02031) #7
  %49 = load i64, ptr %48, align 8, !tbaa !5
  %50 = add nsw i64 %49, %.02229
  br label %51

51:                                               ; preds = %33, %47
  %.123 = phi i64 [ %.02229, %33 ], [ %50, %47 ]
  %.1 = phi i64 [ %46, %33 ], [ %.02130, %47 ]
  %52 = add nuw nsw i64 %.02031, 1
  %53 = load i64, ptr %2, align 8, !tbaa !5
  %54 = icmp slt i64 %52, %53
  br i1 %54, label %.lr.ph32, label %._crit_edge33.loopexit, !llvm.loop !12

55:                                               ; preds = %30, %18
  %.pn = phi { ptr, i32 } [ %31, %30 ], [ %19, %18 ]
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %4) #7
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %3) #7
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %2) #7
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %1) #7
  resume { ptr, i32 } %.pn

._crit_edge38:                                    ; preds = %._crit_edge33, %0
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %1) #7
  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 @_ZNSaIxEC2Ev(ptr noundef nonnull align 1 dereferenceable(1)) unnamed_addr #3 align 2

; Function Attrs: mustprogress uwtable
declare dso_local void @_ZNSt6vectorIxSaIxEEC2EmRKS0_(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 @_ZNSt6vectorIxSaIxEEixEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) local_unnamed_addr #3 align 2

; Function Attrs: inlinehint mustprogress uwtable
declare dso_local void @_ZSt4sortISt16reverse_iteratorIN9__gnu_cxx17__normal_iteratorIPxSt6vectorIxSaIxEEEEEEvT_S9_(ptr noundef, ptr noundef) local_unnamed_addr #5

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorIxSaIxEE6rbeginEv(ptr dead_on_unwind noalias writable sret(%"class.std::reverse_iterator") align 8, ptr noundef nonnull align 8 dereferenceable(24)) local_unnamed_addr #3 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt6vectorIxSaIxEE4rendEv(ptr dead_on_unwind noalias writable sret(%"class.std::reverse_iterator") align 8, 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 @_ZNSt6vectorIxSaIxEED2Ev(ptr noundef nonnull align 8 dereferenceable(24)) unnamed_addr #3 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local void @_ZNSt15__new_allocatorIxED2Ev(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 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}


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