; LLVM IR from DionysiosB/CodeForces :: 0800-0899 (859B-LazySecurityGuard)

; 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
  store i32 0, ptr %1, align 4
  call void @llvm.lifetime.start.p0(i64 8, ptr %2) #4
  %5 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef @.str, ptr noundef %2)
  call void @llvm.lifetime.start.p0(i64 8, ptr %3) #4
  %6 = load i64, ptr %2, align 8, !tbaa !5
  %7 = sitofp i64 %6 to double
  %8 = call double @sqrt(double noundef %7) #4
  %9 = fptosi double %8 to i64
  store i64 %9, ptr %3, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %4) #4
  store i64 0, ptr %4, align 8, !tbaa !5
  %10 = load i64, ptr %3, align 8, !tbaa !5
  %11 = load i64, ptr %3, align 8, !tbaa !5
  %12 = mul nsw i64 %10, %11
  %13 = load i64, ptr %2, align 8, !tbaa !5
  %14 = icmp sge i64 %12, %13
  br i1 %14, label %15, label %18

15:                                               ; preds = %0
  %16 = load i64, ptr %3, align 8, !tbaa !5
  %17 = mul nsw i64 4, %16
  store i64 %17, ptr %4, align 8, !tbaa !5
  br label %43

18:                                               ; preds = %0
  %19 = load i64, ptr %3, align 8, !tbaa !5
  %20 = load i64, ptr %3, align 8, !tbaa !5
  %21 = add nsw i64 %20, 1
  %22 = mul nsw i64 %19, %21
  %23 = load i64, ptr %2, align 8, !tbaa !5
  %24 = icmp sge i64 %22, %23
  br i1 %24, label %25, label %29

25:                                               ; preds = %18
  %26 = load i64, ptr %3, align 8, !tbaa !5
  %27 = mul nsw i64 4, %26
  %28 = add nsw i64 %27, 2
  store i64 %28, ptr %4, align 8, !tbaa !5
  br label %42

29:                                               ; preds = %18
  %30 = load i64, ptr %3, align 8, !tbaa !5
  %31 = add nsw i64 %30, 1
  %32 = load i64, ptr %3, align 8, !tbaa !5
  %33 = add nsw i64 %32, 1
  %34 = mul nsw i64 %31, %33
  %35 = load i64, ptr %2, align 8, !tbaa !5
  %36 = icmp sge i64 %34, %35
  br i1 %36, label %37, label %41

37:                                               ; preds = %29
  %38 = load i64, ptr %3, align 8, !tbaa !5
  %39 = mul nsw i64 4, %38
  %40 = add nsw i64 %39, 4
  store i64 %40, ptr %4, align 8, !tbaa !5
  br label %41

41:                                               ; preds = %37, %29
  br label %42

42:                                               ; preds = %41, %25
  br label %43

43:                                               ; preds = %42, %15
  %44 = load i64, ptr %4, align 8, !tbaa !5
  %45 = call i32 (ptr, ...) @printf(ptr noundef @.str.1, i64 noundef %44)
  call void @llvm.lifetime.end.p0(i64 8, ptr %4) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr %3) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr %2) #4
  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: nounwind
declare double @sqrt(double noundef) #3

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 "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 #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"}


; 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) #4
  %2 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef nonnull @.str, ptr noundef nonnull %1)
  %3 = load i64, ptr %1, align 8, !tbaa !5
  %4 = sitofp i64 %3 to double
  %5 = call double @sqrt(double noundef %4) #4
  %6 = fptosi double %5 to i64
  %7 = mul nsw i64 %6, %6
  %8 = load i64, ptr %1, align 8, !tbaa !5
  %.not = icmp slt i64 %7, %8
  br i1 %.not, label %11, label %9

9:                                                ; preds = %0
  %10 = shl nsw i64 %6, 2
  br label %22

11:                                               ; preds = %0
  %12 = add nsw i64 %6, 1
  %13 = mul nsw i64 %12, %6
  %.not11 = icmp slt i64 %13, %8
  br i1 %.not11, label %17, label %14

14:                                               ; preds = %11
  %15 = shl nsw i64 %6, 2
  %16 = or disjoint i64 %15, 2
  br label %22

17:                                               ; preds = %11
  %18 = mul nsw i64 %12, %12
  %.not12 = icmp slt i64 %18, %8
  br i1 %.not12, label %22, label %19

19:                                               ; preds = %17
  %20 = shl nsw i64 %6, 2
  %21 = add nsw i64 %20, 4
  br label %22

22:                                               ; preds = %14, %19, %17, %9
  %.0 = phi i64 [ %10, %9 ], [ %16, %14 ], [ %21, %19 ], [ 0, %17 ]
  %23 = call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(1) @.str.1, i64 noundef %.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 nofree nounwind willreturn memory(write)
declare double @sqrt(double noundef) local_unnamed_addr #3

; 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 = { mustprogress nofree nounwind willreturn memory(write) "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 #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"}


; Effective O3 passes: EarlyCSEPass,GlobalOptPass,InferFunctionAttrsPass,InstCombinePass,PostOrderFunctionAttrsPass,ReassociatePass,SROAPass,SimplifyCFGPass