; LLVM IR from DionysiosB/CodeForces :: 1000-1099 (1017C-ThePhoneNumber)

; 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

; 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
  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)
  call void @llvm.lifetime.start.p0(i64 8, ptr %3) #3
  store i64 0, ptr %3, align 8, !tbaa !5
  br label %7

7:                                                ; preds = %13, %0
  %8 = load i64, ptr %3, align 8, !tbaa !5
  %9 = load i64, ptr %3, align 8, !tbaa !5
  %10 = mul nsw i64 %8, %9
  %11 = load i64, ptr %2, align 8, !tbaa !5
  %12 = icmp slt i64 %10, %11
  br i1 %12, label %13, label %16

13:                                               ; preds = %7
  %14 = load i64, ptr %3, align 8, !tbaa !5
  %15 = add nsw i64 %14, 1
  store i64 %15, ptr %3, align 8, !tbaa !5
  br label %7, !llvm.loop !9

16:                                               ; preds = %7
  br label %17

17:                                               ; preds = %40, %16
  %18 = load i64, ptr %2, align 8, !tbaa !5
  %19 = icmp ne i64 %18, 0
  br i1 %19, label %20, label %42

20:                                               ; preds = %17
  call void @llvm.lifetime.start.p0(i64 8, ptr %4) #3
  %21 = load i64, ptr %2, align 8, !tbaa !5
  %22 = sub nsw i64 %21, 1
  %23 = load i64, ptr %3, align 8, !tbaa !5
  %24 = sdiv i64 %22, %23
  %25 = load i64, ptr %3, align 8, !tbaa !5
  %26 = mul nsw i64 %24, %25
  store i64 %26, ptr %4, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %5) #3
  %27 = load i64, ptr %4, align 8, !tbaa !5
  %28 = add nsw i64 %27, 1
  store i64 %28, ptr %5, align 8, !tbaa !5
  br label %29

29:                                               ; preds = %37, %20
  %30 = load i64, ptr %5, align 8, !tbaa !5
  %31 = load i64, ptr %2, align 8, !tbaa !5
  %32 = icmp sle i64 %30, %31
  br i1 %32, label %34, label %33

33:                                               ; preds = %29
  call void @llvm.lifetime.end.p0(i64 8, ptr %5) #3
  br label %40

34:                                               ; preds = %29
  %35 = load i64, ptr %5, align 8, !tbaa !5
  %36 = call i32 (ptr, ...) @printf(ptr noundef @.str.1, i64 noundef %35)
  br label %37

37:                                               ; preds = %34
  %38 = load i64, ptr %5, align 8, !tbaa !5
  %39 = add nsw i64 %38, 1
  store i64 %39, ptr %5, align 8, !tbaa !5
  br label %29, !llvm.loop !11

40:                                               ; preds = %33
  %41 = load i64, ptr %4, align 8, !tbaa !5
  store i64 %41, ptr %2, align 8, !tbaa !5
  call void @llvm.lifetime.end.p0(i64 8, ptr %4) #3
  br label %17, !llvm.loop !12

42:                                               ; preds = %17
  call void @llvm.lifetime.end.p0(i64 8, ptr %3) #3
  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

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 = distinct !{!9, !10}
!10 = !{!"llvm.loop.mustprogress"}
!11 = distinct !{!11, !10}
!12 = distinct !{!12, !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 [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
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %1) #3
  %2 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef nonnull @.str, ptr noundef nonnull %1)
  %3 = load i64, ptr %1, align 8, !tbaa !5
  %.fr1216 = freeze i64 %3
  br label %4

4:                                                ; preds = %4, %0
  %.010 = phi i64 [ 0, %0 ], [ %7, %4 ]
  %5 = mul nuw nsw i64 %.010, %.010
  %6 = icmp slt i64 %5, %.fr1216
  %7 = add nuw nsw i64 %.010, 1
  br i1 %6, label %4, label %.preheader, !llvm.loop !9

.preheader:                                       ; preds = %4
  %.not17 = icmp eq i64 %.fr1216, 0
  br i1 %.not17, label %._crit_edge20, label %.lr.ph19

.lr.ph19:                                         ; preds = %.preheader, %._crit_edge
  %.fr1218 = phi i64 [ %10, %._crit_edge ], [ %.fr1216, %.preheader ]
  %8 = add i64 %.fr1218, -1
  %9 = srem i64 %8, %.010
  %.fr = freeze i64 %9
  %10 = sub i64 %8, %.fr
  %.not13.not14 = icmp slt i64 %10, %.fr1218
  br i1 %.not13.not14, label %.lr.ph, label %._crit_edge

._crit_edge:                                      ; preds = %.lr.ph, %.lr.ph19
  store i64 %10, ptr %1, align 8, !tbaa !5
  %.not = icmp eq i64 %10, 0
  br i1 %.not, label %._crit_edge20, label %.lr.ph19, !llvm.loop !11

.lr.ph:                                           ; preds = %.lr.ph19, %.lr.ph
  %.0.in15 = phi i64 [ %.0, %.lr.ph ], [ %10, %.lr.ph19 ]
  %.0 = add nsw i64 %.0.in15, 1
  %11 = call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(1) @.str.1, i64 noundef %.0)
  %12 = load i64, ptr %1, align 8, !tbaa !5
  %.not13.not = icmp slt i64 %.0, %12
  br i1 %.not13.not, label %.lr.ph, label %._crit_edge, !llvm.loop !12

._crit_edge20:                                    ; preds = %._crit_edge, %.preheader
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %1) #3
  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

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 = { 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}
!12 = distinct !{!12, !10}


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