; LLVM IR from DionysiosB/CodeForces :: 1300-1399 (1360D-BuyingShovels)

; 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 [8 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 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
  store i32 0, ptr %1, align 4
  call void @llvm.lifetime.start.p0(i64 8, ptr %2) #3
  %8 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef @.str, ptr noundef %2)
  br label %9

9:                                                ; preds = %61, %0
  %10 = load i64, ptr %2, align 8, !tbaa !5
  %11 = add nsw i64 %10, -1
  store i64 %11, ptr %2, align 8, !tbaa !5
  %12 = icmp ne i64 %10, 0
  br i1 %12, label %13, label %64

13:                                               ; preds = %9
  call void @llvm.lifetime.start.p0(i64 8, ptr %3) #3
  call void @llvm.lifetime.start.p0(i64 8, ptr %4) #3
  %14 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef @.str.1, ptr noundef %3, ptr noundef %4)
  call void @llvm.lifetime.start.p0(i64 8, ptr %5) #3
  %15 = load i64, ptr %3, align 8, !tbaa !5
  store i64 %15, ptr %5, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %6) #3
  store i64 1, ptr %6, align 8, !tbaa !5
  br label %16

16:                                               ; preds = %58, %13
  %17 = load i64, ptr %6, align 8, !tbaa !5
  %18 = load i64, ptr %6, align 8, !tbaa !5
  %19 = mul nsw i64 %17, %18
  %20 = load i64, ptr %3, align 8, !tbaa !5
  %21 = icmp sle i64 %19, %20
  br i1 %21, label %22, label %26

22:                                               ; preds = %16
  %23 = load i64, ptr %6, align 8, !tbaa !5
  %24 = load i64, ptr %4, align 8, !tbaa !5
  %25 = icmp sle i64 %23, %24
  br label %26

26:                                               ; preds = %22, %16
  %27 = phi i1 [ false, %16 ], [ %25, %22 ]
  br i1 %27, label %29, label %28

28:                                               ; preds = %26
  call void @llvm.lifetime.end.p0(i64 8, ptr %6) #3
  br label %61

29:                                               ; preds = %26
  %30 = load i64, ptr %3, align 8, !tbaa !5
  %31 = load i64, ptr %6, align 8, !tbaa !5
  %32 = srem i64 %30, %31
  %33 = icmp ne i64 %32, 0
  br i1 %33, label %34, label %35

34:                                               ; preds = %29
  br label %58

35:                                               ; preds = %29
  call void @llvm.lifetime.start.p0(i64 8, ptr %7) #3
  %36 = load i64, ptr %3, align 8, !tbaa !5
  %37 = load i64, ptr %6, align 8, !tbaa !5
  %38 = sdiv i64 %36, %37
  %39 = load i64, ptr %4, align 8, !tbaa !5
  %40 = icmp sle i64 %38, %39
  br i1 %40, label %41, label %43

41:                                               ; preds = %35
  %42 = load i64, ptr %6, align 8, !tbaa !5
  br label %47

43:                                               ; preds = %35
  %44 = load i64, ptr %3, align 8, !tbaa !5
  %45 = load i64, ptr %6, align 8, !tbaa !5
  %46 = sdiv i64 %44, %45
  br label %47

47:                                               ; preds = %43, %41
  %48 = phi i64 [ %42, %41 ], [ %46, %43 ]
  store i64 %48, ptr %7, align 8, !tbaa !5
  %49 = load i64, ptr %5, align 8, !tbaa !5
  %50 = load i64, ptr %7, align 8, !tbaa !5
  %51 = icmp slt i64 %49, %50
  br i1 %51, label %52, label %54

52:                                               ; preds = %47
  %53 = load i64, ptr %5, align 8, !tbaa !5
  br label %56

54:                                               ; preds = %47
  %55 = load i64, ptr %7, align 8, !tbaa !5
  br label %56

56:                                               ; preds = %54, %52
  %57 = phi i64 [ %53, %52 ], [ %55, %54 ]
  store i64 %57, ptr %5, align 8, !tbaa !5
  call void @llvm.lifetime.end.p0(i64 8, ptr %7) #3
  br label %58

58:                                               ; preds = %56, %34
  %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 %16, !llvm.loop !9

61:                                               ; preds = %28
  %62 = load i64, ptr %5, align 8, !tbaa !5
  %63 = call i32 (ptr, ...) @printf(ptr noundef @.str.2, i64 noundef %62)
  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
  br label %9, !llvm.loop !11

64:                                               ; preds = %9
  call void @llvm.lifetime.end.p0(i64 8, ptr %2) #3
  ret i32 0
}

; 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"}
!11 = distinct !{!11, !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"

@.str = external hidden unnamed_addr constant [4 x i8], align 1
@.str.1 = external hidden unnamed_addr constant [8 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
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %1) #4
  %4 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef nonnull @.str, ptr noundef nonnull %1)
  %5 = load i64, ptr %1, align 8, !tbaa !5
  %6 = add nsw i64 %5, -1
  store i64 %6, ptr %1, align 8, !tbaa !5
  %.not21 = icmp eq i64 %5, 0
  br i1 %.not21, label %._crit_edge24, label %.lr.ph23

.lr.ph23:                                         ; 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
  %7 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef nonnull @.str.1, ptr noundef nonnull %2, ptr noundef nonnull %3)
  %8 = load i64, ptr %2, align 8, !tbaa !5
  %9 = load i64, ptr %3, align 8
  %10 = icmp sgt i64 %8, 0
  %11 = icmp sgt i64 %9, 0
  %12 = select i1 %10, i1 %11, i1 false
  br i1 %12, label %.lr.ph, label %._crit_edge

._crit_edge:                                      ; preds = %20, %.lr.ph23
  %.0.lcssa = phi i64 [ %8, %.lr.ph23 ], [ %.1, %20 ]
  %13 = call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(1) @.str.2, i64 noundef %.0.lcssa)
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %3) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %2) #4
  %14 = load i64, ptr %1, align 8, !tbaa !5
  %15 = add nsw i64 %14, -1
  store i64 %15, ptr %1, align 8, !tbaa !5
  %.not = icmp eq i64 %14, 0
  br i1 %.not, label %._crit_edge24, label %.lr.ph23, !llvm.loop !9

.lr.ph:                                           ; preds = %.lr.ph23, %20
  %.020 = phi i64 [ %.1, %20 ], [ %8, %.lr.ph23 ]
  %.01319 = phi i64 [ %21, %20 ], [ 1, %.lr.ph23 ]
  %16 = urem i64 %8, %.01319
  %17 = udiv i64 %8, %.01319
  %.not17 = icmp eq i64 %16, 0
  br i1 %.not17, label %18, label %20

18:                                               ; preds = %.lr.ph
  %.not18 = icmp sgt i64 %17, %9
  %..013 = select i1 %.not18, i64 %17, i64 %.01319
  %19 = call i64 @llvm.smin.i64(i64 %.020, i64 %..013)
  br label %20

20:                                               ; preds = %.lr.ph, %18
  %.1 = phi i64 [ %.020, %.lr.ph ], [ %19, %18 ]
  %21 = add nuw nsw i64 %.01319, 1
  %22 = mul nuw nsw i64 %21, %21
  %23 = icmp sle i64 %22, %8
  %24 = icmp slt i64 %.01319, %9
  %25 = select i1 %23, i1 %24, i1 false
  br i1 %25, label %.lr.ph, label %._crit_edge, !llvm.loop !11

._crit_edge24:                                    ; 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: 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"}
!11 = distinct !{!11, !10}


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