; LLVM IR from DionysiosB/CodeForces :: 1600-1699 (1684A-DigitMinimization)

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

7:                                                ; preds = %48, %0
  %8 = load i64, ptr %2, align 8, !tbaa !5
  %9 = add nsw i64 %8, -1
  store i64 %9, ptr %2, align 8, !tbaa !5
  %10 = icmp ne i64 %8, 0
  br i1 %10, label %11, label %49

11:                                               ; preds = %7
  call void @llvm.lifetime.start.p0(i64 8, ptr %3) #3
  %12 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef @.str, ptr noundef %3)
  %13 = load i64, ptr %3, align 8, !tbaa !5
  %14 = icmp slt i64 %13, 10
  br i1 %14, label %15, label %18

15:                                               ; preds = %11
  %16 = load i64, ptr %3, align 8, !tbaa !5
  %17 = call i32 (ptr, ...) @printf(ptr noundef @.str.1, i64 noundef %16)
  br label %48

18:                                               ; preds = %11
  %19 = load i64, ptr %3, align 8, !tbaa !5
  %20 = icmp slt i64 %19, 100
  br i1 %20, label %21, label %25

21:                                               ; preds = %18
  %22 = load i64, ptr %3, align 8, !tbaa !5
  %23 = srem i64 %22, 10
  %24 = call i32 (ptr, ...) @printf(ptr noundef @.str.1, i64 noundef %23)
  br label %47

25:                                               ; preds = %18
  call void @llvm.lifetime.start.p0(i64 4, ptr %4) #3
  store i32 10, ptr %4, align 4, !tbaa !9
  br label %26

26:                                               ; preds = %40, %25
  %27 = load i64, ptr %3, align 8, !tbaa !5
  %28 = icmp ne i64 %27, 0
  br i1 %28, label %29, label %44

29:                                               ; preds = %26
  call void @llvm.lifetime.start.p0(i64 4, ptr %5) #3
  %30 = load i64, ptr %3, align 8, !tbaa !5
  %31 = srem i64 %30, 10
  %32 = trunc i64 %31 to i32
  store i32 %32, ptr %5, align 4, !tbaa !9
  %33 = load i32, ptr %4, align 4, !tbaa !9
  %34 = load i32, ptr %5, align 4, !tbaa !9
  %35 = icmp slt i32 %33, %34
  br i1 %35, label %36, label %38

36:                                               ; preds = %29
  %37 = load i32, ptr %4, align 4, !tbaa !9
  br label %40

38:                                               ; preds = %29
  %39 = load i32, ptr %5, align 4, !tbaa !9
  br label %40

40:                                               ; preds = %38, %36
  %41 = phi i32 [ %37, %36 ], [ %39, %38 ]
  store i32 %41, ptr %4, align 4, !tbaa !9
  %42 = load i64, ptr %3, align 8, !tbaa !5
  %43 = sdiv i64 %42, 10
  store i64 %43, ptr %3, align 8, !tbaa !5
  call void @llvm.lifetime.end.p0(i64 4, ptr %5) #3
  br label %26, !llvm.loop !11

44:                                               ; preds = %26
  %45 = load i32, ptr %4, align 4, !tbaa !9
  %46 = call i32 (ptr, ...) @printf(ptr noundef @.str.2, i32 noundef %45)
  call void @llvm.lifetime.end.p0(i64 4, ptr %4) #3
  br label %47

47:                                               ; preds = %44, %21
  br label %48

48:                                               ; preds = %47, %15
  call void @llvm.lifetime.end.p0(i64 8, ptr %3) #3
  br label %7, !llvm.loop !13

49:                                               ; preds = %7
  call void @llvm.lifetime.end.p0(i64 8, ptr %2) #3
  %50 = load i32, ptr %1, align 4
  ret i32 %50
}

; 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 @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 = !{!"int", !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 [5 x i8], align 1
@.str.2 = external hidden unnamed_addr constant [4 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
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %1) #4
  %3 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef nonnull @.str, ptr noundef nonnull %1)
  %4 = load i64, ptr %1, align 8, !tbaa !5
  %5 = add nsw i64 %4, -1
  store i64 %5, ptr %1, align 8, !tbaa !5
  %.not10 = icmp eq i64 %4, 0
  br i1 %.not10, label %._crit_edge, label %.lr.ph

.lr.ph:                                           ; preds = %0, %23
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %2) #4
  %6 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef nonnull @.str, ptr noundef nonnull %2)
  %7 = load i64, ptr %2, align 8, !tbaa !5
  %8 = icmp slt i64 %7, 10
  br i1 %8, label %9, label %11

9:                                                ; preds = %.lr.ph
  %10 = call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(1) @.str.1, i64 noundef %7)
  br label %23

11:                                               ; preds = %.lr.ph
  %12 = icmp ult i64 %7, 100
  br i1 %12, label %13, label %.preheader

13:                                               ; preds = %11
  %.lhs.trunc = trunc nuw i64 %7 to i8
  %14 = urem i8 %.lhs.trunc, 10
  %.zext = zext nneg i8 %14 to i64
  %15 = call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(1) @.str.1, i64 noundef %.zext)
  br label %23

.preheader:                                       ; preds = %11, %.preheader
  %.09 = phi i32 [ %19, %.preheader ], [ 10, %11 ]
  %16 = phi i64 [ %20, %.preheader ], [ %7, %11 ]
  %17 = srem i64 %16, 10
  %18 = trunc nsw i64 %17 to i32
  %19 = call i32 @llvm.smin.i32(i32 %.09, i32 %18)
  %20 = sdiv i64 %16, 10
  %.off = add i64 %16, 9
  %.not8 = icmp ult i64 %.off, 19
  br i1 %.not8, label %21, label %.preheader, !llvm.loop !9

21:                                               ; preds = %.preheader
  store i64 %20, ptr %2, align 8, !tbaa !5
  %22 = call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(1) @.str.2, i32 noundef %19)
  br label %23

23:                                               ; preds = %13, %21, %9
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %2) #4
  %24 = load i64, ptr %1, align 8, !tbaa !5
  %25 = add nsw i64 %24, -1
  store i64 %25, ptr %1, align 8, !tbaa !5
  %.not = icmp eq i64 %24, 0
  br i1 %.not, label %._crit_edge, label %.lr.ph, !llvm.loop !11

._crit_edge:                                      ; preds = %23, %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 @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 i32 @llvm.smin.i32(i32, i32) #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"}
!11 = distinct !{!11, !10}


; Effective O3 passes: CorrelatedValuePropagationPass,EarlyCSEPass,GVNPass,GlobalOptPass,IPSCCPPass,InferFunctionAttrsPass,InstCombinePass,InstSimplifyPass,JumpThreadingPass,LCSSAPass,LICMPass,LoopRotatePass,LoopSimplifyPass,LoopUnrollPass,PostOrderFunctionAttrsPass,SROAPass,SimplifyCFGPass