; LLVM IR from DionysiosB/CodeForces :: 1715B-BeautifulArray (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"

@.str = external hidden unnamed_addr constant [4 x i8], align 1
@.str.1 = external hidden unnamed_addr constant [20 x i8], align 1
@.str.2 = external hidden unnamed_addr constant [3 x i8], align 1
@.str.3 = external hidden unnamed_addr constant [6 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 {
  %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 i64, align 8
  %7 = alloca i64, align 8
  %8 = alloca i64, align 8
  %9 = alloca i32, align 4
  %10 = alloca i64, align 8
  %11 = alloca i64, align 8
  %12 = alloca i64, align 8
  store i32 0, ptr %1, align 4
  call void @llvm.lifetime.start.p0(i64 8, ptr %2) #3
  %13 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef @.str, ptr noundef %2)
  br label %14

14:                                               ; preds = %91, %89, %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 %92

18:                                               ; preds = %14
  call void @llvm.lifetime.start.p0(i64 8, ptr %3) #3
  call void @llvm.lifetime.start.p0(i64 8, ptr %4) #3
  call void @llvm.lifetime.start.p0(i64 8, ptr %5) #3
  call void @llvm.lifetime.start.p0(i64 8, ptr %6) #3
  %19 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef @.str.1, ptr noundef %3, ptr noundef %4, ptr noundef %5, ptr noundef %6)
  call void @llvm.lifetime.start.p0(i64 8, ptr %7) #3
  %20 = load i64, ptr %6, align 8, !tbaa !9
  %21 = load i64, ptr %3, align 8, !tbaa !9
  %22 = sub nsw i64 %21, 1
  %23 = load i64, ptr %4, align 8, !tbaa !9
  %24 = sub nsw i64 %23, 1
  %25 = mul nsw i64 %22, %24
  %26 = sub nsw i64 %20, %25
  %27 = load i64, ptr %4, align 8, !tbaa !9
  %28 = sdiv i64 %26, %27
  store i64 %28, ptr %7, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %8) #3
  %29 = load i64, ptr %6, align 8, !tbaa !9
  %30 = load i64, ptr %4, align 8, !tbaa !9
  %31 = sdiv i64 %29, %30
  store i64 %31, ptr %8, align 8, !tbaa !5
  %32 = load i64, ptr %5, align 8, !tbaa !9
  %33 = load i64, ptr %7, align 8, !tbaa !5
  %34 = icmp slt i64 %32, %33
  br i1 %34, label %39, label %35

35:                                               ; preds = %18
  %36 = load i64, ptr %8, align 8, !tbaa !5
  %37 = load i64, ptr %5, align 8, !tbaa !9
  %38 = icmp slt i64 %36, %37
  br i1 %38, label %39, label %41

39:                                               ; preds = %35, %18
  %40 = call i32 @puts(ptr noundef @.str.2)
  store i32 2, ptr %9, align 4
  br label %89, !llvm.loop !11

41:                                               ; preds = %35
  call void @llvm.lifetime.start.p0(i64 8, ptr %10) #3
  %42 = load i64, ptr %5, align 8, !tbaa !9
  %43 = load i64, ptr %4, align 8, !tbaa !9
  %44 = mul nsw i64 %42, %43
  %45 = load i64, ptr %4, align 8, !tbaa !9
  %46 = add nsw i64 %44, %45
  %47 = sub nsw i64 %46, 1
  store i64 %47, ptr %10, align 8, !tbaa !9
  %48 = load i64, ptr %6, align 8, !tbaa !9
  %49 = load i64, ptr %10, align 8, !tbaa !9
  %50 = icmp slt i64 %48, %49
  br i1 %50, label %51, label %53

51:                                               ; preds = %41
  %52 = load i64, ptr %6, align 8, !tbaa !9
  br label %55

53:                                               ; preds = %41
  %54 = load i64, ptr %10, align 8, !tbaa !9
  br label %55

55:                                               ; preds = %53, %51
  %56 = phi i64 [ %52, %51 ], [ %54, %53 ]
  store i64 %56, ptr %10, align 8, !tbaa !9
  %57 = load i64, ptr %10, align 8, !tbaa !9
  %58 = call i32 (ptr, ...) @printf(ptr noundef @.str.3, i64 noundef %57)
  call void @llvm.lifetime.start.p0(i64 8, ptr %11) #3
  %59 = load i64, ptr %6, align 8, !tbaa !9
  %60 = load i64, ptr %10, align 8, !tbaa !9
  %61 = sub nsw i64 %59, %60
  store i64 %61, ptr %11, align 8, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 8, ptr %12) #3
  store i64 1, ptr %12, align 8, !tbaa !5
  br label %62

62:                                               ; preds = %84, %55
  %63 = load i64, ptr %12, align 8, !tbaa !5
  %64 = load i64, ptr %3, align 8, !tbaa !9
  %65 = icmp slt i64 %63, %64
  br i1 %65, label %67, label %66

66:                                               ; preds = %62
  store i32 4, ptr %9, align 4
  call void @llvm.lifetime.end.p0(i64 8, ptr %12) #3
  br label %87

67:                                               ; preds = %62
  %68 = load i64, ptr %11, align 8, !tbaa !9
  %69 = load i64, ptr %4, align 8, !tbaa !9
  %70 = sub nsw i64 %69, 1
  %71 = icmp slt i64 %68, %70
  br i1 %71, label %72, label %74

72:                                               ; preds = %67
  %73 = load i64, ptr %11, align 8, !tbaa !9
  br label %77

74:                                               ; preds = %67
  %75 = load i64, ptr %4, align 8, !tbaa !9
  %76 = sub nsw i64 %75, 1
  br label %77

77:                                               ; preds = %74, %72
  %78 = phi i64 [ %73, %72 ], [ %76, %74 ]
  store i64 %78, ptr %10, align 8, !tbaa !9
  %79 = load i64, ptr %10, align 8, !tbaa !9
  %80 = load i64, ptr %11, align 8, !tbaa !9
  %81 = sub nsw i64 %80, %79
  store i64 %81, ptr %11, align 8, !tbaa !9
  %82 = load i64, ptr %10, align 8, !tbaa !9
  %83 = call i32 (ptr, ...) @printf(ptr noundef @.str.3, i64 noundef %82)
  br label %84

84:                                               ; preds = %77
  %85 = load i64, ptr %12, align 8, !tbaa !5
  %86 = add nsw i64 %85, 1
  store i64 %86, ptr %12, align 8, !tbaa !5
  br label %62, !llvm.loop !13

87:                                               ; preds = %66
  %88 = call i32 @puts(ptr noundef @.str.4)
  call void @llvm.lifetime.end.p0(i64 8, ptr %11) #3
  call void @llvm.lifetime.end.p0(i64 8, ptr %10) #3
  store i32 0, ptr %9, align 4
  br label %89

89:                                               ; preds = %87, %39
  call void @llvm.lifetime.end.p0(i64 8, ptr %8) #3
  call void @llvm.lifetime.end.p0(i64 8, ptr %7) #3
  call void @llvm.lifetime.end.p0(i64 8, ptr %6) #3
  call void @llvm.lifetime.end.p0(i64 8, ptr %5) #3
  call void @llvm.lifetime.end.p0(i64 8, ptr %4) #3
  call void @llvm.lifetime.end.p0(i64 8, ptr %3) #3
  %90 = load i32, ptr %9, align 4
  switch i32 %90, label %94 [
    i32 0, label %91
    i32 2, label %14
  ]

91:                                               ; preds = %89
  br label %14, !llvm.loop !11

92:                                               ; preds = %14
  call void @llvm.lifetime.end.p0(i64 8, ptr %2) #3
  %93 = load i32, ptr %1, align 4
  ret i32 %93

94:                                               ; preds = %89
  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

declare i32 @puts(ptr noundef) #2

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

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

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 = { 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 = !{!"long long", !7, i64 0}
!11 = distinct !{!11, !12}
!12 = !{!"llvm.loop.mustprogress"}
!13 = distinct !{!13, !12}


; 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"

@.str = external hidden unnamed_addr constant [4 x i8], align 1
@.str.1 = external hidden unnamed_addr constant [20 x i8], align 1
@.str.2 = external hidden unnamed_addr constant [3 x i8], align 1
@.str.3 = external hidden unnamed_addr constant [6 x i8], align 1
@.str.4 = external hidden unnamed_addr constant [1 x i8], align 1

; Function Attrs: mustprogress nofree norecurse nounwind uwtable
define dso_local noundef i32 @main() local_unnamed_addr #0 {
  %1 = alloca i64, align 8
  %2 = alloca i64, align 8
  %3 = alloca i64, align 8
  %4 = alloca i64, align 8
  %5 = alloca i64, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %1) #4
  %6 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef nonnull @.str, ptr noundef nonnull %1)
  %7 = load i64, ptr %1, align 8, !tbaa !5
  %8 = add nsw i64 %7, -1
  store i64 %8, ptr %1, align 8, !tbaa !5
  %.not18 = icmp eq i64 %7, 0
  br i1 %.not18, label %._crit_edge21, label %.lr.ph20

.lr.ph20:                                         ; preds = %0, %._crit_edge
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %2) #4
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %3) #4
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %4) #4
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %5) #4
  %9 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef nonnull @.str.1, ptr noundef nonnull %2, ptr noundef nonnull %3, ptr noundef nonnull %4, ptr noundef nonnull %5)
  %10 = load i64, ptr %5, align 8
  %11 = load i64, ptr %2, align 8, !tbaa !9
  %12 = add nsw i64 %11, -1
  %13 = load i64, ptr %3, align 8, !tbaa !9
  %14 = add nsw i64 %13, -1
  %15 = mul nsw i64 %14, %12
  %16 = sub nsw i64 %10, %15
  %17 = sdiv i64 %16, %13
  %18 = load i64, ptr %4, align 8, !tbaa !9
  %19 = icmp slt i64 %18, %17
  br i1 %19, label %._crit_edge, label %20, !llvm.loop !11

20:                                               ; preds = %.lr.ph20
  %21 = sdiv i64 %10, %13
  %22 = icmp slt i64 %21, %18
  br i1 %22, label %._crit_edge, label %23, !llvm.loop !11

23:                                               ; preds = %20
  %24 = add i64 %18, 1
  %25 = mul i64 %24, %13
  %26 = add nsw i64 %25, -1
  %27 = call i64 @llvm.smin.i64(i64 %10, i64 %26)
  %28 = call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(1) @.str.3, i64 noundef %27)
  %29 = load i64, ptr %2, align 8, !tbaa !9
  %30 = icmp sgt i64 %29, 1
  br i1 %30, label %.lr.ph.preheader, label %._crit_edge

.lr.ph.preheader:                                 ; preds = %23
  %31 = load i64, ptr %5, align 8, !tbaa !9
  %32 = sub nsw i64 %31, %27
  br label %.lr.ph

.lr.ph:                                           ; preds = %.lr.ph.preheader, %.lr.ph
  %.017 = phi i64 [ %38, %.lr.ph ], [ 1, %.lr.ph.preheader ]
  %.01416 = phi i64 [ %36, %.lr.ph ], [ %32, %.lr.ph.preheader ]
  %33 = load i64, ptr %3, align 8
  %34 = add nsw i64 %33, -1
  %35 = call i64 @llvm.smin.i64(i64 %.01416, i64 %34)
  %36 = sub nsw i64 %.01416, %35
  %37 = call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(1) @.str.3, i64 noundef %35)
  %38 = add nuw nsw i64 %.017, 1
  %39 = load i64, ptr %2, align 8, !tbaa !9
  %40 = icmp slt i64 %38, %39
  br i1 %40, label %.lr.ph, label %._crit_edge, !llvm.loop !13

._crit_edge:                                      ; preds = %.lr.ph, %23, %.lr.ph20, %20
  %.str.4.sink = phi ptr [ @.str.2, %20 ], [ @.str.2, %.lr.ph20 ], [ @.str.4, %23 ], [ @.str.4, %.lr.ph ]
  %41 = call i32 @puts(ptr noundef nonnull dereferenceable(1) %.str.4.sink)
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %5) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %4) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %3) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %2) #4
  %42 = load i64, ptr %1, align 8, !tbaa !5
  %43 = add nsw i64 %42, -1
  store i64 %43, ptr %1, align 8, !tbaa !5
  %.not = icmp eq i64 %42, 0
  br i1 %.not, label %._crit_edge21, label %.lr.ph20

._crit_edge21:                                    ; preds = %._crit_edge, %0
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %1) #4
  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: 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 nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #1

; Function Attrs: nocallback nofree nosync nounwind speculatable willreturn memory(none)
declare i64 @llvm.smin.i64(i64, i64) #3

attributes #0 = { mustprogress nofree norecurse 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 #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 = { nocallback nofree nosync nounwind speculatable willreturn memory(none) }
attributes #4 = { 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 = !{!"long long", !7, i64 0}
!11 = distinct !{!11, !12}
!12 = !{!"llvm.loop.mustprogress"}
!13 = distinct !{!13, !12}


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