; LLVM IR from DionysiosB/CodeForces :: 0100-0199 (117A-Elevator)

; 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 [12 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
  store i32 0, ptr %1, align 4
  call void @llvm.lifetime.start.p0(i64 8, ptr %2) #3
  store i64 0, ptr %2, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %3) #3
  store i64 0, ptr %3, align 8, !tbaa !5
  %9 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef @.str, ptr noundef %2, ptr noundef %3)
  br label %10

10:                                               ; preds = %78, %0
  %11 = load i64, ptr %2, align 8, !tbaa !5
  %12 = add nsw i64 %11, -1
  store i64 %12, ptr %2, align 8, !tbaa !5
  %13 = icmp ne i64 %11, 0
  br i1 %13, label %14, label %81

14:                                               ; preds = %10
  call void @llvm.lifetime.start.p0(i64 8, ptr %4) #3
  store i64 0, ptr %4, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %5) #3
  store i64 0, ptr %5, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %6) #3
  store i64 0, ptr %6, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %7) #3
  store i64 0, ptr %7, align 8, !tbaa !5
  %15 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef @.str.1, ptr noundef %4, ptr noundef %5, ptr noundef %6)
  %16 = load i64, ptr %4, align 8, !tbaa !5
  %17 = load i64, ptr %5, align 8, !tbaa !5
  %18 = icmp eq i64 %16, %17
  br i1 %18, label %19, label %21

19:                                               ; preds = %14
  %20 = load i64, ptr %6, align 8, !tbaa !5
  store i64 %20, ptr %7, align 8, !tbaa !5
  br label %78

21:                                               ; preds = %14
  call void @llvm.lifetime.start.p0(i64 8, ptr %8) #3
  %22 = load i64, ptr %3, align 8, !tbaa !5
  %23 = sub nsw i64 %22, 1
  %24 = mul nsw i64 2, %23
  store i64 %24, ptr %8, align 8, !tbaa !5
  %25 = load i64, ptr %4, align 8, !tbaa !5
  %26 = add nsw i64 %25, -1
  store i64 %26, ptr %4, align 8, !tbaa !5
  %27 = load i64, ptr %5, align 8, !tbaa !5
  %28 = add nsw i64 %27, -1
  store i64 %28, ptr %5, align 8, !tbaa !5
  %29 = load i64, ptr %6, align 8, !tbaa !5
  %30 = load i64, ptr %8, align 8, !tbaa !5
  %31 = sdiv i64 %29, %30
  %32 = load i64, ptr %8, align 8, !tbaa !5
  %33 = mul nsw i64 %31, %32
  store i64 %33, ptr %7, align 8, !tbaa !5
  %34 = load i64, ptr %4, align 8, !tbaa !5
  %35 = load i64, ptr %5, align 8, !tbaa !5
  %36 = icmp slt i64 %34, %35
  br i1 %36, label %37, label %47

37:                                               ; preds = %21
  %38 = load i64, ptr %7, align 8, !tbaa !5
  %39 = load i64, ptr %4, align 8, !tbaa !5
  %40 = add nsw i64 %38, %39
  %41 = load i64, ptr %6, align 8, !tbaa !5
  %42 = icmp slt i64 %40, %41
  br i1 %42, label %43, label %47

43:                                               ; preds = %37
  %44 = load i64, ptr %8, align 8, !tbaa !5
  %45 = load i64, ptr %7, align 8, !tbaa !5
  %46 = add nsw i64 %45, %44
  store i64 %46, ptr %7, align 8, !tbaa !5
  br label %64

47:                                               ; preds = %37, %21
  %48 = load i64, ptr %4, align 8, !tbaa !5
  %49 = load i64, ptr %5, align 8, !tbaa !5
  %50 = icmp sgt i64 %48, %49
  br i1 %50, label %51, label %63

51:                                               ; preds = %47
  %52 = load i64, ptr %7, align 8, !tbaa !5
  %53 = load i64, ptr %8, align 8, !tbaa !5
  %54 = add nsw i64 %52, %53
  %55 = load i64, ptr %4, align 8, !tbaa !5
  %56 = sub nsw i64 %54, %55
  %57 = load i64, ptr %6, align 8, !tbaa !5
  %58 = icmp slt i64 %56, %57
  br i1 %58, label %59, label %63

59:                                               ; preds = %51
  %60 = load i64, ptr %8, align 8, !tbaa !5
  %61 = load i64, ptr %7, align 8, !tbaa !5
  %62 = add nsw i64 %61, %60
  store i64 %62, ptr %7, align 8, !tbaa !5
  br label %63

63:                                               ; preds = %59, %51, %47
  br label %64

64:                                               ; preds = %63, %43
  %65 = load i64, ptr %4, align 8, !tbaa !5
  %66 = load i64, ptr %5, align 8, !tbaa !5
  %67 = icmp slt i64 %65, %66
  br i1 %67, label %68, label %70

68:                                               ; preds = %64
  %69 = load i64, ptr %5, align 8, !tbaa !5
  br label %74

70:                                               ; preds = %64
  %71 = load i64, ptr %8, align 8, !tbaa !5
  %72 = load i64, ptr %5, align 8, !tbaa !5
  %73 = sub nsw i64 %71, %72
  br label %74

74:                                               ; preds = %70, %68
  %75 = phi i64 [ %69, %68 ], [ %73, %70 ]
  %76 = load i64, ptr %7, align 8, !tbaa !5
  %77 = add nsw i64 %76, %75
  store i64 %77, ptr %7, align 8, !tbaa !5
  call void @llvm.lifetime.end.p0(i64 8, ptr %8) #3
  br label %78

78:                                               ; preds = %74, %19
  %79 = load i64, ptr %7, align 8, !tbaa !5
  %80 = call i32 (ptr, ...) @printf(ptr noundef @.str.2, i64 noundef %79)
  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
  br label %10, !llvm.loop !9

81:                                               ; preds = %10
  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 [12 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
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %1) #3
  store i64 0, ptr %1, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %2) #3
  store i64 0, ptr %2, align 8, !tbaa !5
  %6 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef nonnull @.str, ptr noundef nonnull %1, ptr noundef nonnull %2)
  %7 = load i64, ptr %1, align 8, !tbaa !5
  %8 = add nsw i64 %7, -1
  store i64 %8, ptr %1, align 8, !tbaa !5
  %.not16 = icmp eq i64 %7, 0
  br i1 %.not16, label %._crit_edge, label %.lr.ph

.lr.ph:                                           ; preds = %0, %39
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %3) #3
  store i64 0, ptr %3, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %4) #3
  store i64 0, ptr %4, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %5) #3
  store i64 0, ptr %5, align 8, !tbaa !5
  %9 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef nonnull @.str.1, ptr noundef nonnull %3, ptr noundef nonnull %4, ptr noundef nonnull %5)
  %10 = load i64, ptr %3, align 8, !tbaa !5
  %11 = load i64, ptr %4, align 8, !tbaa !5
  %12 = icmp eq i64 %10, %11
  br i1 %12, label %13, label %15

13:                                               ; preds = %.lr.ph
  %14 = load i64, ptr %5, align 8, !tbaa !5
  br label %39

15:                                               ; preds = %.lr.ph
  %16 = load i64, ptr %2, align 8, !tbaa !5
  %17 = shl i64 %16, 1
  %18 = add i64 %17, -2
  %19 = add nsw i64 %10, -1
  store i64 %19, ptr %3, align 8, !tbaa !5
  %20 = add nsw i64 %11, -1
  store i64 %20, ptr %4, align 8, !tbaa !5
  %21 = load i64, ptr %5, align 8, !tbaa !5
  %.fr = freeze i64 %21
  %22 = srem i64 %.fr, %18
  %23 = sub nsw i64 %.fr, %22
  %24 = icmp slt i64 %10, %11
  %25 = add nsw i64 %23, %19
  %26 = icmp slt i64 %25, %.fr
  %or.cond = select i1 %24, i1 %26, i1 false
  br i1 %or.cond, label %27, label %29

27:                                               ; preds = %15
  %28 = add nsw i64 %23, %18
  br label %35

29:                                               ; preds = %15
  %30 = icmp sgt i64 %10, %11
  br i1 %30, label %31, label %35

31:                                               ; preds = %29
  %32 = add nsw i64 %23, %18
  %33 = sub nsw i64 %32, %19
  %34 = icmp slt i64 %33, %.fr
  %spec.select = select i1 %34, i64 %32, i64 %23
  br label %35

35:                                               ; preds = %31, %29, %27
  %.0 = phi i64 [ %28, %27 ], [ %23, %29 ], [ %spec.select, %31 ]
  %36 = sub nsw i64 %18, %20
  %37 = select i1 %24, i64 %20, i64 %36
  %38 = add nsw i64 %.0, %37
  br label %39

39:                                               ; preds = %35, %13
  %.1 = phi i64 [ %14, %13 ], [ %38, %35 ]
  %40 = call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(1) @.str.2, i64 noundef %.1)
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %5) #3
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %4) #3
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %3) #3
  %41 = load i64, ptr %1, align 8, !tbaa !5
  %42 = add nsw i64 %41, -1
  store i64 %42, ptr %1, align 8, !tbaa !5
  %.not = icmp eq i64 %41, 0
  br i1 %.not, label %._crit_edge, label %.lr.ph, !llvm.loop !9

._crit_edge:                                      ; preds = %39, %0
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %2) #3
  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: 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

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"}


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