; LLVM IR from DionysiosB/CodeForces :: 1925B-ABalancedProblemset (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 [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 = %63, %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 %66

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
  store i64 1, 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 %15

15:                                               ; preds = %60, %13
  %16 = load i64, ptr %6, align 8, !tbaa !5
  %17 = load i64, ptr %6, align 8, !tbaa !5
  %18 = mul nsw i64 %16, %17
  %19 = load i64, ptr %3, align 8, !tbaa !5
  %20 = icmp sle i64 %18, %19
  br i1 %20, label %22, label %21

21:                                               ; preds = %15
  call void @llvm.lifetime.end.p0(i64 8, ptr %6) #3
  br label %63

22:                                               ; preds = %15
  %23 = load i64, ptr %3, align 8, !tbaa !5
  %24 = load i64, ptr %6, align 8, !tbaa !5
  %25 = srem i64 %23, %24
  %26 = icmp ne i64 %25, 0
  br i1 %26, label %27, label %28

27:                                               ; preds = %22
  br label %60

28:                                               ; preds = %22
  call void @llvm.lifetime.start.p0(i64 8, ptr %7) #3
  %29 = load i64, ptr %3, align 8, !tbaa !5
  %30 = load i64, ptr %6, align 8, !tbaa !5
  %31 = sdiv i64 %29, %30
  store i64 %31, ptr %7, align 8, !tbaa !5
  %32 = load i64, ptr %7, align 8, !tbaa !5
  %33 = load i64, ptr %4, align 8, !tbaa !5
  %34 = icmp sge i64 %32, %33
  br i1 %34, label %35, label %45

35:                                               ; preds = %28
  %36 = load i64, ptr %5, align 8, !tbaa !5
  %37 = load i64, ptr %6, align 8, !tbaa !5
  %38 = icmp sgt i64 %36, %37
  br i1 %38, label %39, label %41

39:                                               ; preds = %35
  %40 = load i64, ptr %5, align 8, !tbaa !5
  br label %43

41:                                               ; preds = %35
  %42 = load i64, ptr %6, align 8, !tbaa !5
  br label %43

43:                                               ; preds = %41, %39
  %44 = phi i64 [ %40, %39 ], [ %42, %41 ]
  store i64 %44, ptr %5, align 8, !tbaa !5
  br label %45

45:                                               ; preds = %43, %28
  %46 = load i64, ptr %6, align 8, !tbaa !5
  %47 = load i64, ptr %4, align 8, !tbaa !5
  %48 = icmp sge i64 %46, %47
  br i1 %48, label %49, label %59

49:                                               ; preds = %45
  %50 = load i64, ptr %5, align 8, !tbaa !5
  %51 = load i64, ptr %7, align 8, !tbaa !5
  %52 = icmp sgt i64 %50, %51
  br i1 %52, label %53, label %55

53:                                               ; preds = %49
  %54 = load i64, ptr %5, align 8, !tbaa !5
  br label %57

55:                                               ; preds = %49
  %56 = load i64, ptr %7, align 8, !tbaa !5
  br label %57

57:                                               ; preds = %55, %53
  %58 = phi i64 [ %54, %53 ], [ %56, %55 ]
  store i64 %58, ptr %5, align 8, !tbaa !5
  br label %59

59:                                               ; preds = %57, %45
  call void @llvm.lifetime.end.p0(i64 8, ptr %7) #3
  br label %60

60:                                               ; preds = %59, %27
  %61 = load i64, ptr %6, align 8, !tbaa !5
  %62 = add nsw i64 %61, 1
  store i64 %62, ptr %6, align 8, !tbaa !5
  br label %15, !llvm.loop !9

63:                                               ; preds = %21
  %64 = load i64, ptr %5, align 8, !tbaa !5
  %65 = call i32 (ptr, ...) @printf(ptr noundef @.str.2, i64 noundef %64)
  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

66:                                               ; preds = %9
  call void @llvm.lifetime.end.p0(i64 8, ptr %2) #3
  %67 = load i32, ptr %1, align 4
  ret i32 %67
}

; 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
  %.not26 = icmp eq i64 %5, 0
  br i1 %.not26, label %._crit_edge29, label %.lr.ph28

.lr.ph28:                                         ; 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
  %.not1923 = icmp slt i64 %8, 1
  br i1 %.not1923, label %._crit_edge, label %.lr.ph

.lr.ph:                                           ; preds = %.lr.ph28
  %9 = load i64, ptr %3, align 8
  br label %13

._crit_edge:                                      ; preds = %19, %.lr.ph28
  %.0.lcssa = phi i64 [ 1, %.lr.ph28 ], [ %.3, %19 ]
  %10 = 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
  %11 = load i64, ptr %1, align 8, !tbaa !5
  %12 = add nsw i64 %11, -1
  store i64 %12, ptr %1, align 8, !tbaa !5
  %.not = icmp eq i64 %11, 0
  br i1 %.not, label %._crit_edge29, label %.lr.ph28, !llvm.loop !9

13:                                               ; preds = %.lr.ph, %19
  %.025 = phi i64 [ 1, %.lr.ph ], [ %.3, %19 ]
  %.01724 = phi i64 [ 1, %.lr.ph ], [ %20, %19 ]
  %14 = urem i64 %8, %.01724
  %15 = udiv i64 %8, %.01724
  %.not20 = icmp eq i64 %14, 0
  br i1 %.not20, label %16, label %19

16:                                               ; preds = %13
  %.not21 = icmp slt i64 %15, %9
  %17 = call i64 @llvm.smax.i64(i64 %.025, i64 %.01724)
  %.1 = select i1 %.not21, i64 %.025, i64 %17
  %.not22 = icmp slt i64 %.01724, %9
  %18 = call i64 @llvm.smax.i64(i64 %.1, i64 %15)
  %.2 = select i1 %.not22, i64 %.1, i64 %18
  br label %19

19:                                               ; preds = %13, %16
  %.3 = phi i64 [ %.025, %13 ], [ %.2, %16 ]
  %20 = add nuw nsw i64 %.01724, 1
  %21 = mul nuw nsw i64 %20, %20
  %.not19 = icmp sgt i64 %21, %8
  br i1 %.not19, label %._crit_edge, label %13, !llvm.loop !11

._crit_edge29:                                    ; 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.smax.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