; LLVM IR from DionysiosB/CodeForces :: 1864A-IncreasingAndDecreasing (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, 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 [12 x i8], align 1
@.str.2 = external hidden unnamed_addr constant [3 x i8], align 1
@.str.3 = external hidden unnamed_addr constant [5 x i8], align 1
@.str.4 = external hidden unnamed_addr constant [1 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 i64, align 8
  %6 = alloca %"class.std::vector", align 8
  %7 = alloca %"class.std::allocator", align 1
  %8 = alloca ptr, align 8
  %9 = alloca i32, align 4
  %10 = alloca i64, align 8
  %11 = alloca i32, align 4
  %12 = alloca i64, align 8
  store i32 0, ptr %1, align 4
  call void @llvm.lifetime.start.p0(i64 8, ptr %2) #5
  %13 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef @.str, ptr noundef %2)
  br label %14

14:                                               ; preds = %94, %92, %0
  %15 = load i64, ptr %2, align 8, !tbaa !5
  %16 = add nsw i64 %15, -1
  store i64 %16, ptr %2, align 8, !tbaa !5
  %17 = icmp ne i64 %15, 0
  br i1 %17, label %18, label %97

18:                                               ; preds = %14
  call void @llvm.lifetime.start.p0(i64 8, ptr %3) #5
  call void @llvm.lifetime.start.p0(i64 8, ptr %4) #5
  call void @llvm.lifetime.start.p0(i64 8, ptr %5) #5
  %19 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef @.str.1, ptr noundef %3, ptr noundef %4, ptr noundef %5)
  call void @llvm.lifetime.start.p0(i64 24, ptr %6) #5
  %20 = load i64, ptr %5, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 1, ptr %7) #5
  call void @_ZNSaIlEC2Ev(ptr noundef nonnull align 1 dereferenceable(1) %7) #5
  invoke void @_ZNSt6vectorIlSaIlEEC2EmRKS0_(ptr noundef nonnull align 8 dereferenceable(24) %6, i64 noundef %20, ptr noundef nonnull align 1 dereferenceable(1) %7)
          to label %21 unwind label %34

21:                                               ; preds = %18
  call void @_ZNSt15__new_allocatorIlED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %7) #5
  call void @llvm.lifetime.end.p0(i64 1, ptr %7) #5
  %22 = load i64, ptr %3, align 8, !tbaa !5
  %23 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIlSaIlEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %6, i64 noundef 0) #5
  store i64 %22, ptr %23, align 8, !tbaa !5
  %24 = load i64, ptr %4, align 8, !tbaa !5
  %25 = load i64, ptr %5, align 8, !tbaa !5
  %26 = sub nsw i64 %25, 1
  %27 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIlSaIlEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %6, i64 noundef %26) #5
  store i64 %24, ptr %27, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %10) #5
  %28 = load i64, ptr %5, align 8, !tbaa !5
  %29 = sub nsw i64 %28, 2
  store i64 %29, ptr %10, align 8, !tbaa !5
  br label %30

30:                                               ; preds = %50, %21
  %31 = load i64, ptr %10, align 8, !tbaa !5
  %32 = icmp sgt i64 %31, 0
  br i1 %32, label %38, label %33

33:                                               ; preds = %30
  call void @llvm.lifetime.end.p0(i64 8, ptr %10) #5
  br label %53

34:                                               ; preds = %18
  %35 = landingpad { ptr, i32 }
          cleanup
  %36 = extractvalue { ptr, i32 } %35, 0
  store ptr %36, ptr %8, align 8
  %37 = extractvalue { ptr, i32 } %35, 1
  store i32 %37, ptr %9, align 4
  call void @_ZNSt15__new_allocatorIlED2Ev(ptr noundef nonnull align 1 dereferenceable(1) %7) #5
  call void @llvm.lifetime.end.p0(i64 1, ptr %7) #5
  br label %96

38:                                               ; preds = %30
  %39 = load i64, ptr %10, align 8, !tbaa !5
  %40 = add nsw i64 %39, 1
  %41 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIlSaIlEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %6, i64 noundef %40) #5
  %42 = load i64, ptr %41, align 8, !tbaa !5
  %43 = load i64, ptr %5, align 8, !tbaa !5
  %44 = sub nsw i64 %43, 1
  %45 = load i64, ptr %10, align 8, !tbaa !5
  %46 = sub nsw i64 %44, %45
  %47 = sub nsw i64 %42, %46
  %48 = load i64, ptr %10, align 8, !tbaa !5
  %49 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIlSaIlEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %6, i64 noundef %48) #5
  store i64 %47, ptr %49, align 8, !tbaa !5
  br label %50

50:                                               ; preds = %38
  %51 = load i64, ptr %10, align 8, !tbaa !5
  %52 = add nsw i64 %51, -1
  store i64 %52, ptr %10, align 8, !tbaa !5
  br label %30, !llvm.loop !9

53:                                               ; preds = %33
  %54 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIlSaIlEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %6, i64 noundef 1) #5
  %55 = load i64, ptr %54, align 8, !tbaa !5
  %56 = load i64, ptr %5, align 8, !tbaa !5
  %57 = sub nsw i64 %56, 1
  %58 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIlSaIlEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %6, i64 noundef 0) #5
  %59 = load i64, ptr %58, align 8, !tbaa !5
  %60 = add nsw i64 %57, %59
  %61 = icmp slt i64 %55, %60
  br i1 %61, label %62, label %69

62:                                               ; preds = %53
  %63 = invoke i32 @puts(ptr noundef @.str.2)
          to label %64 unwind label %65

64:                                               ; preds = %62
  store i32 2, ptr %11, align 4
  br label %92, !llvm.loop !11

65:                                               ; preds = %88, %62
  %66 = landingpad { ptr, i32 }
          cleanup
  %67 = extractvalue { ptr, i32 } %66, 0
  store ptr %67, ptr %8, align 8
  %68 = extractvalue { ptr, i32 } %66, 1
  store i32 %68, ptr %9, align 4
  br label %95

69:                                               ; preds = %53
  call void @llvm.lifetime.start.p0(i64 8, ptr %12) #5
  store i64 0, ptr %12, align 8, !tbaa !5
  br label %70

70:                                               ; preds = %81, %69
  %71 = load i64, ptr %12, align 8, !tbaa !5
  %72 = load i64, ptr %5, align 8, !tbaa !5
  %73 = icmp slt i64 %71, %72
  br i1 %73, label %75, label %74

74:                                               ; preds = %70
  store i32 7, ptr %11, align 4
  call void @llvm.lifetime.end.p0(i64 8, ptr %12) #5
  br label %88

75:                                               ; preds = %70
  %76 = load i64, ptr %12, align 8, !tbaa !5
  %77 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIlSaIlEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %6, i64 noundef %76) #5
  %78 = load i64, ptr %77, align 8, !tbaa !5
  %79 = invoke i32 (ptr, ...) @printf(ptr noundef @.str.3, i64 noundef %78)
          to label %80 unwind label %84

80:                                               ; preds = %75
  br label %81

81:                                               ; preds = %80
  %82 = load i64, ptr %12, align 8, !tbaa !5
  %83 = add nsw i64 %82, 1
  store i64 %83, ptr %12, align 8, !tbaa !5
  br label %70, !llvm.loop !12

84:                                               ; preds = %75
  %85 = landingpad { ptr, i32 }
          cleanup
  %86 = extractvalue { ptr, i32 } %85, 0
  store ptr %86, ptr %8, align 8
  %87 = extractvalue { ptr, i32 } %85, 1
  store i32 %87, ptr %9, align 4
  call void @llvm.lifetime.end.p0(i64 8, ptr %12) #5
  br label %95

88:                                               ; preds = %74
  %89 = invoke i32 @puts(ptr noundef @.str.4)
          to label %90 unwind label %65

90:                                               ; preds = %88
  br label %91

91:                                               ; preds = %90
  store i32 0, ptr %11, align 4
  br label %92

92:                                               ; preds = %91, %64
  call void @_ZNSt6vectorIlSaIlEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %6) #5
  call void @llvm.lifetime.end.p0(i64 24, ptr %6) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr %5) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr %4) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr %3) #5
  %93 = load i32, ptr %11, align 4
  switch i32 %93, label %104 [
    i32 0, label %94
    i32 2, label %14
  ]

94:                                               ; preds = %92
  br label %14, !llvm.loop !11

95:                                               ; preds = %84, %65
  call void @_ZNSt6vectorIlSaIlEED2Ev(ptr noundef nonnull align 8 dereferenceable(24) %6) #5
  br label %96

96:                                               ; preds = %95, %34
  call void @llvm.lifetime.end.p0(i64 24, ptr %6) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr %5) #5
  call void @llvm.lifetime.end.p0(i64 8, 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 %99

97:                                               ; preds = %14
  call void @llvm.lifetime.end.p0(i64 8, ptr %2) #5
  %98 = load i32, ptr %1, align 4
  ret i32 %98

99:                                               ; preds = %96
  %100 = load ptr, ptr %8, align 8
  %101 = load i32, ptr %9, align 4
  %102 = insertvalue { ptr, i32 } poison, ptr %100, 0
  %103 = insertvalue { ptr, i32 } %102, i32 %101, 1
  resume { ptr, i32 } %103

104:                                              ; preds = %92
  unreachable
}

; 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 @puts(ptr noundef) #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}


; 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 [12 x i8], align 1
@.str.2 = external hidden unnamed_addr constant [3 x i8], align 1
@.str.3 = external hidden unnamed_addr constant [5 x i8], align 1
@.str.4 = external hidden unnamed_addr constant [1 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 i64, align 8
  %5 = alloca %"class.std::vector", align 8
  %6 = alloca %"class.std::allocator", align 1
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %1) #5
  %7 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef nonnull @.str, ptr noundef nonnull %1)
  %8 = load i64, ptr %1, align 8, !tbaa !5
  %9 = add nsw i64 %8, -1
  store i64 %9, ptr %1, align 8, !tbaa !5
  %.not17 = icmp eq i64 %8, 0
  br i1 %.not17, label %._crit_edge20, label %.lr.ph19

.lr.ph19:                                         ; preds = %0, %._crit_edge16
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %2) #5
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %3) #5
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %4) #5
  %10 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef nonnull @.str.1, ptr noundef nonnull %2, ptr noundef nonnull %3, ptr noundef nonnull %4)
  call void @llvm.lifetime.start.p0(i64 24, ptr nonnull %5) #5
  %11 = load i64, ptr %4, 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 %11, ptr noundef nonnull align 1 dereferenceable(1) %6)
          to label %12 unwind label %32

12:                                               ; preds = %.lr.ph19
  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
  %13 = load i64, ptr %2, align 8, !tbaa !5
  %14 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIlSaIlEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %5, i64 noundef 0) #5
  store i64 %13, ptr %14, align 8, !tbaa !5
  %15 = load i64, ptr %3, align 8, !tbaa !5
  %16 = load i64, ptr %4, align 8, !tbaa !5
  %17 = add nsw i64 %16, -1
  %18 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIlSaIlEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %5, i64 noundef %17) #5
  store i64 %15, ptr %18, align 8, !tbaa !5
  %19 = load i64, ptr %4, align 8, !tbaa !5
  %20 = icmp sgt i64 %19, 2
  br i1 %20, label %.lr.ph.preheader, label %._crit_edge

.lr.ph.preheader:                                 ; preds = %12
  %21 = add nsw i64 %19, -2
  br label %.lr.ph

._crit_edge:                                      ; preds = %.lr.ph, %12
  %22 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIlSaIlEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %5, i64 noundef 1) #5
  %23 = load i64, ptr %22, align 8, !tbaa !5
  %24 = load i64, ptr %4, align 8, !tbaa !5
  %25 = add nsw i64 %24, -1
  %26 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIlSaIlEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %5, i64 noundef 0) #5
  %27 = load i64, ptr %26, align 8, !tbaa !5
  %28 = add nsw i64 %25, %27
  %29 = icmp slt i64 %23, %28
  br i1 %29, label %._crit_edge16, label %.preheader, !llvm.loop !9

.preheader:                                       ; preds = %._crit_edge
  %30 = load i64, ptr %4, align 8, !tbaa !5
  %31 = icmp sgt i64 %30, 0
  br i1 %31, label %.lr.ph15, label %._crit_edge16

32:                                               ; preds = %.lr.ph19
  %33 = 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
  call void @llvm.lifetime.end.p0(i64 24, ptr nonnull %5) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %4) #5
  call void @llvm.lifetime.end.p0(i64 8, 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 } %33

.lr.ph:                                           ; preds = %.lr.ph.preheader, %.lr.ph
  %.01013 = phi i64 [ %40, %.lr.ph ], [ %21, %.lr.ph.preheader ]
  %34 = add nuw nsw i64 %.01013, 1
  %35 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIlSaIlEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %5, i64 noundef %34) #5
  %36 = load i64, ptr %35, align 8, !tbaa !5
  %37 = load i64, ptr %4, align 8, !tbaa !5
  %.neg12 = add i64 %36, %34
  %38 = sub i64 %.neg12, %37
  %39 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIlSaIlEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %5, i64 noundef %.01013) #5
  store i64 %38, ptr %39, align 8, !tbaa !5
  %40 = add nsw i64 %.01013, -1
  %41 = icmp ugt i64 %.01013, 1
  br i1 %41, label %.lr.ph, label %._crit_edge, !llvm.loop !11

.lr.ph15:                                         ; preds = %.preheader, %.lr.ph15
  %.014 = phi i64 [ %45, %.lr.ph15 ], [ 0, %.preheader ]
  %42 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIlSaIlEEixEm(ptr noundef nonnull align 8 dereferenceable(24) %5, i64 noundef %.014) #5
  %43 = load i64, ptr %42, align 8, !tbaa !5
  %44 = call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(1) @.str.3, i64 noundef %43)
  %45 = add nuw nsw i64 %.014, 1
  %46 = load i64, ptr %4, align 8, !tbaa !5
  %47 = icmp slt i64 %45, %46
  br i1 %47, label %.lr.ph15, label %._crit_edge16, !llvm.loop !12

._crit_edge16:                                    ; preds = %.lr.ph15, %.preheader, %._crit_edge
  %.str.4.sink = phi ptr [ @.str.2, %._crit_edge ], [ @.str.4, %.preheader ], [ @.str.4, %.lr.ph15 ]
  %48 = call i32 @puts(ptr noundef nonnull dereferenceable(1) %.str.4.sink)
  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 @llvm.lifetime.end.p0(i64 8, ptr nonnull %4) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %3) #5
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %2) #5
  %49 = load i64, ptr %1, align 8, !tbaa !5
  %50 = add nsw i64 %49, -1
  store i64 %50, ptr %1, align 8, !tbaa !5
  %.not = icmp eq i64 %49, 0
  br i1 %.not, label %._crit_edge20, label %.lr.ph19

._crit_edge20:                                    ; preds = %._crit_edge16, %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 @puts(ptr nocapture noundef readonly) local_unnamed_addr #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}


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