; LLVM IR from DionysiosB/CodeForces :: 1100-1199 (1153A-ServalAndBus)

; 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 [8 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
  %6 = alloca i64, align 8
  %7 = alloca i64, align 8
  %8 = alloca i64, align 8
  %9 = alloca i64, align 8
  store i32 0, ptr %1, align 4
  call void @llvm.lifetime.start.p0(i64 8, ptr %2) #3
  call void @llvm.lifetime.start.p0(i64 8, ptr %3) #3
  %10 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef @.str, ptr noundef %2, ptr noundef %3)
  call void @llvm.lifetime.start.p0(i64 8, ptr %4) #3
  %11 = load i64, ptr %2, align 8, !tbaa !5
  %12 = add nsw i64 %11, 1
  store i64 %12, ptr %4, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %5) #3
  store i64 1000000, 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 %13

13:                                               ; preds = %50, %0
  %14 = load i64, ptr %6, align 8, !tbaa !5
  %15 = load i64, ptr %2, align 8, !tbaa !5
  %16 = icmp sle i64 %14, %15
  br i1 %16, label %18, label %17

17:                                               ; preds = %13
  call void @llvm.lifetime.end.p0(i64 8, ptr %6) #3
  br label %53

18:                                               ; preds = %13
  call void @llvm.lifetime.start.p0(i64 8, ptr %7) #3
  call void @llvm.lifetime.start.p0(i64 8, ptr %8) #3
  %19 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef @.str, ptr noundef %7, ptr noundef %8)
  call void @llvm.lifetime.start.p0(i64 8, ptr %9) #3
  %20 = load i64, ptr %7, align 8, !tbaa !5
  %21 = load i64, ptr %3, align 8, !tbaa !5
  %22 = icmp sgt i64 %20, %21
  br i1 %22, label %23, label %27

23:                                               ; preds = %18
  %24 = load i64, ptr %7, align 8, !tbaa !5
  %25 = load i64, ptr %3, align 8, !tbaa !5
  %26 = sub nsw i64 %24, %25
  store i64 %26, ptr %9, align 8, !tbaa !5
  br label %42

27:                                               ; preds = %18
  %28 = load i64, ptr %7, align 8, !tbaa !5
  %29 = load i64, ptr %8, align 8, !tbaa !5
  %30 = load i64, ptr %3, align 8, !tbaa !5
  %31 = load i64, ptr %7, align 8, !tbaa !5
  %32 = sub nsw i64 %30, %31
  %33 = load i64, ptr %8, align 8, !tbaa !5
  %34 = add nsw i64 %32, %33
  %35 = sub nsw i64 %34, 1
  %36 = load i64, ptr %8, align 8, !tbaa !5
  %37 = sdiv i64 %35, %36
  %38 = mul nsw i64 %29, %37
  %39 = add nsw i64 %28, %38
  %40 = load i64, ptr %3, align 8, !tbaa !5
  %41 = sub nsw i64 %39, %40
  store i64 %41, ptr %9, align 8, !tbaa !5
  br label %42

42:                                               ; preds = %27, %23
  %43 = load i64, ptr %9, align 8, !tbaa !5
  %44 = load i64, ptr %5, align 8, !tbaa !5
  %45 = icmp slt i64 %43, %44
  br i1 %45, label %46, label %49

46:                                               ; preds = %42
  %47 = load i64, ptr %6, align 8, !tbaa !5
  store i64 %47, ptr %4, align 8, !tbaa !5
  %48 = load i64, ptr %9, align 8, !tbaa !5
  store i64 %48, ptr %5, align 8, !tbaa !5
  br label %49

49:                                               ; preds = %46, %42
  call void @llvm.lifetime.end.p0(i64 8, ptr %9) #3
  call void @llvm.lifetime.end.p0(i64 8, ptr %8) #3
  call void @llvm.lifetime.end.p0(i64 8, ptr %7) #3
  br label %50

50:                                               ; preds = %49
  %51 = load i64, ptr %6, align 8, !tbaa !5
  %52 = add nsw i64 %51, 1
  store i64 %52, ptr %6, align 8, !tbaa !5
  br label %13, !llvm.loop !9

53:                                               ; preds = %17
  %54 = load i64, ptr %4, align 8, !tbaa !5
  %55 = call i32 (ptr, ...) @printf(ptr noundef @.str.1, i64 noundef %54)
  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
  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"}


; 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 [8 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
  %2 = alloca i64, align 8
  %3 = alloca i64, align 8
  %4 = alloca i64, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %1) #4
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %2) #4
  %5 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef nonnull @.str, ptr noundef nonnull %1, ptr noundef nonnull %2)
  %6 = load i64, ptr %1, align 8, !tbaa !5
  %7 = add nsw i64 %6, 1
  %.not20 = icmp slt i64 %6, 1
  br i1 %.not20, label %._crit_edge, label %.lr.ph

._crit_edge:                                      ; preds = %24, %0
  %.09.lcssa = phi i64 [ %7, %0 ], [ %spec.select, %24 ]
  %8 = call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(1) @.str.1, i64 noundef %.09.lcssa)
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %2) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %1) #4
  ret i32 0

.lr.ph:                                           ; preds = %0, %24
  %.0723 = phi i64 [ %26, %24 ], [ 1, %0 ]
  %.0822 = phi i64 [ %spec.select16, %24 ], [ 1000000, %0 ]
  %.0921 = phi i64 [ %spec.select, %24 ], [ %7, %0 ]
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %3) #4
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %4) #4
  %9 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef nonnull @.str, ptr noundef nonnull %3, ptr noundef nonnull %4)
  %10 = load i64, ptr %3, align 8, !tbaa !5
  %11 = load i64, ptr %2, align 8, !tbaa !5
  %12 = icmp sgt i64 %10, %11
  br i1 %12, label %13, label %15

13:                                               ; preds = %.lr.ph
  %14 = sub nsw i64 %10, %11
  br label %24

15:                                               ; preds = %.lr.ph
  %16 = load i64, ptr %4, align 8, !tbaa !5
  %17 = sub i64 %11, %10
  %18 = add nsw i64 %17, %16
  %.fr15 = freeze i64 %18
  %19 = add i64 %.fr15, -1
  %20 = srem i64 %19, %16
  %21 = add i64 %11, %20
  %22 = sub i64 %10, %21
  %23 = add i64 %22, %19
  br label %24

24:                                               ; preds = %15, %13
  %.0 = phi i64 [ %14, %13 ], [ %23, %15 ]
  %25 = icmp slt i64 %.0, %.0822
  %spec.select = select i1 %25, i64 %.0723, i64 %.0921
  %spec.select16 = call i64 @llvm.smin.i64(i64 %.0, i64 %.0822)
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %4) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %3) #4
  %26 = add nuw nsw i64 %.0723, 1
  %27 = load i64, ptr %1, align 8, !tbaa !5
  %.not.not = icmp slt i64 %.0723, %27
  br i1 %.not.not, label %.lr.ph, label %._crit_edge, !llvm.loop !9
}

; 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"}


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