; LLVM IR from DionysiosB/CodeForces :: 1600-1699 (1623A-RobotCleaner)

; 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 [24 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
  %8 = alloca i64, align 8
  %9 = alloca i64, align 8
  %10 = alloca i64, align 8
  store i32 0, ptr %1, align 4
  call void @llvm.lifetime.start.p0(i64 8, ptr %2) #3
  %11 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef @.str, ptr noundef %2)
  br label %12

12:                                               ; preds = %57, %0
  %13 = load i64, ptr %2, align 8, !tbaa !5
  %14 = add nsw i64 %13, -1
  store i64 %14, ptr %2, align 8, !tbaa !5
  %15 = icmp ne i64 %13, 0
  br i1 %15, label %16, label %60

16:                                               ; preds = %12
  call void @llvm.lifetime.start.p0(i64 8, ptr %3) #3
  call void @llvm.lifetime.start.p0(i64 8, ptr %4) #3
  call void @llvm.lifetime.start.p0(i64 8, ptr %5) #3
  call void @llvm.lifetime.start.p0(i64 8, ptr %6) #3
  call void @llvm.lifetime.start.p0(i64 8, ptr %7) #3
  call void @llvm.lifetime.start.p0(i64 8, ptr %8) #3
  %17 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef @.str.1, ptr noundef %3, ptr noundef %4, ptr noundef %5, ptr noundef %6, ptr noundef %7, ptr noundef %8)
  call void @llvm.lifetime.start.p0(i64 8, ptr %9) #3
  %18 = load i64, ptr %5, align 8, !tbaa !5
  %19 = load i64, ptr %7, align 8, !tbaa !5
  %20 = icmp sle i64 %18, %19
  br i1 %20, label %21, label %25

21:                                               ; preds = %16
  %22 = load i64, ptr %7, align 8, !tbaa !5
  %23 = load i64, ptr %5, align 8, !tbaa !5
  %24 = sub nsw i64 %22, %23
  br label %32

25:                                               ; preds = %16
  %26 = load i64, ptr %3, align 8, !tbaa !5
  %27 = mul nsw i64 2, %26
  %28 = load i64, ptr %5, align 8, !tbaa !5
  %29 = sub nsw i64 %27, %28
  %30 = load i64, ptr %7, align 8, !tbaa !5
  %31 = sub nsw i64 %29, %30
  br label %32

32:                                               ; preds = %25, %21
  %33 = phi i64 [ %24, %21 ], [ %31, %25 ]
  store i64 %33, ptr %9, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %10) #3
  %34 = load i64, ptr %6, align 8, !tbaa !5
  %35 = load i64, ptr %8, align 8, !tbaa !5
  %36 = icmp sle i64 %34, %35
  br i1 %36, label %37, label %41

37:                                               ; preds = %32
  %38 = load i64, ptr %8, align 8, !tbaa !5
  %39 = load i64, ptr %6, align 8, !tbaa !5
  %40 = sub nsw i64 %38, %39
  br label %48

41:                                               ; preds = %32
  %42 = load i64, ptr %4, align 8, !tbaa !5
  %43 = mul nsw i64 2, %42
  %44 = load i64, ptr %6, align 8, !tbaa !5
  %45 = sub nsw i64 %43, %44
  %46 = load i64, ptr %8, align 8, !tbaa !5
  %47 = sub nsw i64 %45, %46
  br label %48

48:                                               ; preds = %41, %37
  %49 = phi i64 [ %40, %37 ], [ %47, %41 ]
  store i64 %49, ptr %10, align 8, !tbaa !5
  %50 = load i64, ptr %9, align 8, !tbaa !5
  %51 = load i64, ptr %10, align 8, !tbaa !5
  %52 = icmp slt i64 %50, %51
  br i1 %52, label %53, label %55

53:                                               ; preds = %48
  %54 = load i64, ptr %9, align 8, !tbaa !5
  br label %57

55:                                               ; preds = %48
  %56 = load i64, ptr %10, align 8, !tbaa !5
  br label %57

57:                                               ; preds = %55, %53
  %58 = phi i64 [ %54, %53 ], [ %56, %55 ]
  %59 = call i32 (ptr, ...) @printf(ptr noundef @.str.2, i64 noundef %58)
  call void @llvm.lifetime.end.p0(i64 8, ptr %10) #3
  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
  call void @llvm.lifetime.end.p0(i64 8, ptr %6) #3
  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 %12, !llvm.loop !9

60:                                               ; preds = %12
  call void @llvm.lifetime.end.p0(i64 8, ptr %2) #3
  %61 = load i32, ptr %1, align 4
  ret i32 %61
}

; 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"}


; 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 [24 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
  %4 = alloca i64, align 8
  %5 = alloca i64, align 8
  %6 = alloca i64, align 8
  %7 = alloca i64, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %1) #4
  %8 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef nonnull @.str, ptr noundef nonnull %1)
  %9 = load i64, ptr %1, align 8, !tbaa !5
  %10 = add nsw i64 %9, -1
  store i64 %10, ptr %1, align 8, !tbaa !5
  %.not18 = icmp eq i64 %9, 0
  br i1 %.not18, label %._crit_edge, label %.lr.ph

.lr.ph:                                           ; preds = %0, %32
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %2) #4
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %3) #4
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %4) #4
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %5) #4
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %6) #4
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %7) #4
  %11 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef nonnull @.str.1, ptr noundef nonnull %2, ptr noundef nonnull %3, ptr noundef nonnull %4, ptr noundef nonnull %5, ptr noundef nonnull %6, ptr noundef nonnull %7)
  %12 = load i64, ptr %4, align 8, !tbaa !5
  %13 = load i64, ptr %6, align 8, !tbaa !5
  %.not11 = icmp sgt i64 %12, %13
  br i1 %.not11, label %16, label %14

14:                                               ; preds = %.lr.ph
  %15 = sub nsw i64 %13, %12
  br label %21

16:                                               ; preds = %.lr.ph
  %17 = load i64, ptr %2, align 8, !tbaa !5
  %18 = shl nsw i64 %17, 1
  %19 = add i64 %13, %12
  %20 = sub i64 %18, %19
  br label %21

21:                                               ; preds = %16, %14
  %22 = phi i64 [ %15, %14 ], [ %20, %16 ]
  %23 = load i64, ptr %5, align 8, !tbaa !5
  %24 = load i64, ptr %7, align 8, !tbaa !5
  %.not12 = icmp sgt i64 %23, %24
  br i1 %.not12, label %27, label %25

25:                                               ; preds = %21
  %26 = sub nsw i64 %24, %23
  br label %32

27:                                               ; preds = %21
  %28 = load i64, ptr %3, align 8, !tbaa !5
  %29 = shl nsw i64 %28, 1
  %30 = add i64 %24, %23
  %31 = sub i64 %29, %30
  br label %32

32:                                               ; preds = %27, %25
  %33 = phi i64 [ %26, %25 ], [ %31, %27 ]
  %34 = call i64 @llvm.smin.i64(i64 %22, i64 %33)
  %35 = call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(1) @.str.2, i64 noundef %34)
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %7) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %6) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %5) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %4) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %3) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %2) #4
  %36 = load i64, ptr %1, align 8, !tbaa !5
  %37 = add nsw i64 %36, -1
  store i64 %37, ptr %1, align 8, !tbaa !5
  %.not = icmp eq i64 %36, 0
  br i1 %.not, label %._crit_edge, label %.lr.ph, !llvm.loop !9

._crit_edge:                                      ; preds = %32, %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: 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

; 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,GlobalOptPass,InferFunctionAttrsPass,InstCombinePass,JumpThreadingPass,LoopRotatePass,LoopSimplifyPass,LoopUnrollPass,PostOrderFunctionAttrsPass,ReassociatePass,SROAPass,SimplifyCFGPass