; LLVM IR from DionysiosB/CodeForces :: 0300-0399 (373B-MakingSequencesIsFun)

; 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 [16 x i8], align 1
@.str.1 = external hidden unnamed_addr constant [6 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 i64, align 8
  %10 = alloca i32, align 4
  store i32 0, ptr %1, align 4
  call void @llvm.lifetime.start.p0(i64 8, ptr %2) #3
  call void @llvm.lifetime.start.p0(i64 8, ptr %3) #3
  call void @llvm.lifetime.start.p0(i64 8, ptr %4) #3
  %11 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef @.str, ptr noundef %2, ptr noundef %3, ptr noundef %4)
  call void @llvm.lifetime.start.p0(i64 8, ptr %5) #3
  store i64 1, ptr %5, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %6) #3
  store i64 0, ptr %6, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %7) #3
  store i64 0, ptr %7, align 8, !tbaa !5
  br label %12

12:                                               ; preds = %56, %0
  %13 = load i64, ptr %2, align 8, !tbaa !5
  %14 = icmp sgt i64 %13, 0
  br i1 %14, label %15, label %61

15:                                               ; preds = %12
  %16 = load i64, ptr %5, align 8, !tbaa !5
  %17 = load i64, ptr %3, align 8, !tbaa !5
  %18 = icmp sgt i64 %16, %17
  br i1 %18, label %19, label %56

19:                                               ; preds = %15
  call void @llvm.lifetime.start.p0(i64 8, ptr %8) #3
  %20 = load i64, ptr %2, align 8, !tbaa !5
  %21 = load i64, ptr %4, align 8, !tbaa !5
  %22 = load i64, ptr %6, align 8, !tbaa !5
  %23 = mul nsw i64 %21, %22
  %24 = sdiv i64 %20, %23
  store i64 %24, ptr %8, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %9) #3
  %25 = load i64, ptr %8, align 8, !tbaa !5
  %26 = load i64, ptr %5, align 8, !tbaa !5
  %27 = load i64, ptr %3, align 8, !tbaa !5
  %28 = sub nsw i64 %26, %27
  %29 = icmp slt i64 %25, %28
  br i1 %29, label %30, label %32

30:                                               ; preds = %19
  %31 = load i64, ptr %8, align 8, !tbaa !5
  br label %36

32:                                               ; preds = %19
  %33 = load i64, ptr %5, align 8, !tbaa !5
  %34 = load i64, ptr %3, align 8, !tbaa !5
  %35 = sub nsw i64 %33, %34
  br label %36

36:                                               ; preds = %32, %30
  %37 = phi i64 [ %31, %30 ], [ %35, %32 ]
  store i64 %37, ptr %9, align 8, !tbaa !5
  %38 = load i64, ptr %9, align 8, !tbaa !5
  %39 = load i64, ptr %7, align 8, !tbaa !5
  %40 = add nsw i64 %39, %38
  store i64 %40, ptr %7, align 8, !tbaa !5
  %41 = load i64, ptr %9, align 8, !tbaa !5
  %42 = load i64, ptr %4, align 8, !tbaa !5
  %43 = mul nsw i64 %41, %42
  %44 = load i64, ptr %6, align 8, !tbaa !5
  %45 = mul nsw i64 %43, %44
  %46 = load i64, ptr %2, align 8, !tbaa !5
  %47 = sub nsw i64 %46, %45
  store i64 %47, ptr %2, align 8, !tbaa !5
  %48 = load i64, ptr %9, align 8, !tbaa !5
  %49 = icmp sle i64 %48, 0
  br i1 %49, label %50, label %51

50:                                               ; preds = %36
  store i32 3, ptr %10, align 4
  br label %53

51:                                               ; preds = %36
  %52 = load i64, ptr %5, align 8, !tbaa !5
  store i64 %52, ptr %3, align 8, !tbaa !5
  store i32 0, ptr %10, align 4
  br label %53

53:                                               ; preds = %51, %50
  call void @llvm.lifetime.end.p0(i64 8, ptr %9) #3
  call void @llvm.lifetime.end.p0(i64 8, ptr %8) #3
  %54 = load i32, ptr %10, align 4
  switch i32 %54, label %65 [
    i32 0, label %55
    i32 3, label %61
  ]

55:                                               ; preds = %53
  br label %56

56:                                               ; preds = %55, %15
  %57 = load i64, ptr %5, align 8, !tbaa !5
  %58 = mul nsw i64 %57, 10
  store i64 %58, ptr %5, align 8, !tbaa !5
  %59 = load i64, ptr %6, align 8, !tbaa !5
  %60 = add nsw i64 %59, 1
  store i64 %60, ptr %6, align 8, !tbaa !5
  br label %12, !llvm.loop !9

61:                                               ; preds = %53, %12
  %62 = load i64, ptr %7, align 8, !tbaa !5
  %63 = call i32 (ptr, ...) @printf(ptr noundef @.str.1, i64 noundef %62)
  store i32 0, ptr %1, align 4
  store i32 1, ptr %10, align 4
  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
  call void @llvm.lifetime.end.p0(i64 8, ptr %2) #3
  %64 = load i32, ptr %1, align 4
  ret i32 %64

65:                                               ; preds = %53
  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: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #1

declare i32 @printf(ptr noundef, ...) #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 = { 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"}


; 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 [16 x i8], align 1
@.str.1 = external hidden unnamed_addr constant [6 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
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %1) #4
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %2) #4
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %3) #4
  %4 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef nonnull @.str, ptr noundef nonnull %1, ptr noundef nonnull %2, ptr noundef nonnull %3)
  %.promoted = load i64, ptr %1, align 8, !tbaa !5
  %5 = icmp sgt i64 %.promoted, 0
  br i1 %5, label %.lr.ph, label %._crit_edge

.lr.ph:                                           ; preds = %0
  %.promoted24 = load i64, ptr %2, align 8
  %6 = load i64, ptr %3, align 8
  br label %7

7:                                                ; preds = %.lr.ph, %19
  %.01730 = phi i64 [ 1, %.lr.ph ], [ %21, %19 ]
  %.01829 = phi i64 [ 0, %.lr.ph ], [ %.1, %19 ]
  %.01928 = phi i64 [ 0, %.lr.ph ], [ %22, %19 ]
  %8 = phi i64 [ %.promoted, %.lr.ph ], [ %20, %19 ]
  %.0172627 = phi i64 [ %.promoted24, %.lr.ph ], [ %.01725, %19 ]
  %9 = icmp sgt i64 %.01730, %.0172627
  br i1 %9, label %10, label %19

10:                                               ; preds = %7
  %11 = mul i64 %6, %.01928
  %12 = sdiv i64 %8, %11
  %13 = sub nsw i64 %.01730, %.0172627
  %14 = call i64 @llvm.smin.i64(i64 %12, i64 %13)
  %15 = add nsw i64 %14, %.01829
  %16 = mul i64 %11, %14
  %17 = sub nsw i64 %8, %16
  store i64 %17, ptr %1, align 8, !tbaa !5
  %18 = icmp slt i64 %14, 1
  br i1 %18, label %._crit_edge, label %.thread

.thread:                                          ; preds = %10
  store i64 %.01730, ptr %2, align 8, !tbaa !5
  br label %19

19:                                               ; preds = %.thread, %7
  %.01725 = phi i64 [ %.0172627, %7 ], [ %.01730, %.thread ]
  %20 = phi i64 [ %8, %7 ], [ %17, %.thread ]
  %.1 = phi i64 [ %.01829, %7 ], [ %15, %.thread ]
  %21 = mul nuw nsw i64 %.01730, 10
  %22 = add nuw nsw i64 %.01928, 1
  %23 = icmp sgt i64 %20, 0
  br i1 %23, label %7, label %._crit_edge, !llvm.loop !9

._crit_edge:                                      ; preds = %19, %10, %0
  %.2 = phi i64 [ 0, %0 ], [ %15, %10 ], [ %.1, %19 ]
  %24 = call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(1) @.str.1, i64 noundef %.2)
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %3) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %2) #4
  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: mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #1

; Function Attrs: nofree nounwind
declare noundef i32 @printf(ptr nocapture noundef readonly, ...) local_unnamed_addr #2

; 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 = distinct !{!9, !10}
!10 = !{!"llvm.loop.mustprogress"}


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