; LLVM IR from DionysiosB/CodeForces :: 0700-0799 (796A-BuyingAHouse)

; 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 [13 x i8], align 1
@.str.1 = external hidden unnamed_addr constant [4 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 {
  %1 = alloca i32, align 4
  %2 = alloca i32, align 4
  %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 i32, align 4
  %9 = alloca i64, align 8
  %10 = alloca i64, align 8
  store i32 0, ptr %1, align 4
  call void @llvm.lifetime.start.p0(i64 4, ptr %2) #3
  store i32 10, ptr %2, align 4, !tbaa !5
  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
  %11 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef @.str, ptr noundef %3, ptr noundef %4, ptr noundef %5)
  call void @llvm.lifetime.start.p0(i64 8, ptr %6) #3
  %12 = load i64, ptr %3, align 8, !tbaa !9
  store i64 %12, ptr %6, align 8, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 8, ptr %7) #3
  store i64 1, ptr %7, align 8, !tbaa !9
  br label %13

13:                                               ; preds = %53, %0
  %14 = load i64, ptr %7, align 8, !tbaa !9
  %15 = load i64, ptr %3, align 8, !tbaa !9
  %16 = icmp sle i64 %14, %15
  br i1 %16, label %18, label %17

17:                                               ; preds = %13
  store i32 2, ptr %8, align 4
  call void @llvm.lifetime.end.p0(i64 8, ptr %7) #3
  br label %56

18:                                               ; preds = %13
  call void @llvm.lifetime.start.p0(i64 8, ptr %9) #3
  %19 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef @.str.1, ptr noundef %9)
  %20 = load i64, ptr %9, align 8, !tbaa !9
  %21 = icmp sle i64 %20, 0
  br i1 %21, label %26, label %22

22:                                               ; preds = %18
  %23 = load i64, ptr %9, align 8, !tbaa !9
  %24 = load i64, ptr %5, align 8, !tbaa !9
  %25 = icmp sgt i64 %23, %24
  br i1 %25, label %26, label %27

26:                                               ; preds = %22, %18
  store i32 4, ptr %8, align 4
  br label %50

27:                                               ; preds = %22
  call void @llvm.lifetime.start.p0(i64 8, ptr %10) #3
  %28 = load i64, ptr %7, align 8, !tbaa !9
  %29 = load i64, ptr %4, align 8, !tbaa !9
  %30 = icmp sgt i64 %28, %29
  br i1 %30, label %31, label %35

31:                                               ; preds = %27
  %32 = load i64, ptr %7, align 8, !tbaa !9
  %33 = load i64, ptr %4, align 8, !tbaa !9
  %34 = sub nsw i64 %32, %33
  br label %39

35:                                               ; preds = %27
  %36 = load i64, ptr %4, align 8, !tbaa !9
  %37 = load i64, ptr %7, align 8, !tbaa !9
  %38 = sub nsw i64 %36, %37
  br label %39

39:                                               ; preds = %35, %31
  %40 = phi i64 [ %34, %31 ], [ %38, %35 ]
  store i64 %40, ptr %10, align 8, !tbaa !9
  %41 = load i64, ptr %6, align 8, !tbaa !9
  %42 = load i64, ptr %10, align 8, !tbaa !9
  %43 = icmp slt i64 %41, %42
  br i1 %43, label %44, label %46

44:                                               ; preds = %39
  %45 = load i64, ptr %6, align 8, !tbaa !9
  br label %48

46:                                               ; preds = %39
  %47 = load i64, ptr %10, align 8, !tbaa !9
  br label %48

48:                                               ; preds = %46, %44
  %49 = phi i64 [ %45, %44 ], [ %47, %46 ]
  store i64 %49, ptr %6, align 8, !tbaa !9
  call void @llvm.lifetime.end.p0(i64 8, ptr %10) #3
  store i32 0, ptr %8, align 4
  br label %50

50:                                               ; preds = %48, %26
  call void @llvm.lifetime.end.p0(i64 8, ptr %9) #3
  %51 = load i32, ptr %8, align 4
  switch i32 %51, label %61 [
    i32 0, label %52
    i32 4, label %53
  ]

52:                                               ; preds = %50
  br label %53

53:                                               ; preds = %52, %50
  %54 = load i64, ptr %7, align 8, !tbaa !9
  %55 = add nsw i64 %54, 1
  store i64 %55, ptr %7, align 8, !tbaa !9
  br label %13, !llvm.loop !11

56:                                               ; preds = %17
  %57 = load i64, ptr %6, align 8, !tbaa !9
  %58 = mul nsw i64 10, %57
  %59 = call i32 (ptr, ...) @printf(ptr noundef @.str.2, i64 noundef %58)
  store i32 0, ptr %1, align 4
  store i32 1, ptr %8, align 4
  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 4, ptr %2) #3
  %60 = load i32, ptr %1, align 4
  ret i32 %60

61:                                               ; preds = %50
  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 = !{!"int", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}
!9 = !{!10, !10, i64 0}
!10 = !{!"long", !7, i64 0}
!11 = distinct !{!11, !12}
!12 = !{!"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 [13 x i8], align 1
@.str.1 = external hidden unnamed_addr constant [4 x i8], align 1
@.str.2 = external hidden unnamed_addr constant [5 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
  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
  %5 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef nonnull @.str, ptr noundef nonnull %1, ptr noundef nonnull %2, ptr noundef nonnull %3)
  %6 = load i64, ptr %1, align 8, !tbaa !5
  %.not16 = icmp slt i64 %6, 1
  br i1 %.not16, label %._crit_edge, label %.lr.ph

._crit_edge:                                      ; preds = %19, %0
  %.011.lcssa = phi i64 [ %6, %0 ], [ %.1, %19 ]
  %7 = mul nsw i64 %.011.lcssa, 10
  %8 = call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(1) @.str.2, i64 noundef %7)
  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

.lr.ph:                                           ; preds = %0, %19
  %.018 = phi i64 [ %20, %19 ], [ 1, %0 ]
  %.01117 = phi i64 [ %.1, %19 ], [ %6, %0 ]
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %4) #4
  %9 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef nonnull @.str.1, ptr noundef nonnull %4)
  %10 = load i64, ptr %4, align 8, !tbaa !5
  %11 = icmp slt i64 %10, 1
  %12 = load i64, ptr %3, align 8
  %13 = icmp sgt i64 %10, %12
  %or.cond = select i1 %11, i1 true, i1 %13
  br i1 %or.cond, label %19, label %14

14:                                               ; preds = %.lr.ph
  %15 = load i64, ptr %2, align 8, !tbaa !5
  %16 = sub nsw i64 %.018, %15
  %17 = call i64 @llvm.abs.i64(i64 %16, i1 true)
  %18 = call i64 @llvm.smin.i64(i64 %.01117, i64 %17)
  br label %19

19:                                               ; preds = %.lr.ph, %14
  %.1 = phi i64 [ %18, %14 ], [ %.01117, %.lr.ph ]
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %4) #4
  %20 = add nuw nsw i64 %.018, 1
  %21 = load i64, ptr %1, align 8, !tbaa !5
  %.not.not = icmp slt i64 %.018, %21
  br i1 %.not.not, label %.lr.ph, label %._crit_edge, !llvm.loop !9
}

; 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

; Function Attrs: nocallback nofree nosync nounwind speculatable willreturn memory(none)
declare i64 @llvm.abs.i64(i64, i1 immarg) #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,InferFunctionAttrsPass,InstCombinePass,InstSimplifyPass,JumpThreadingPass,LCSSAPass,LoopRotatePass,LoopSimplifyPass,LoopUnrollPass,PostOrderFunctionAttrsPass,SROAPass,SimplifyCFGPass