; LLVM IR from DionysiosB/CodeForces :: 1400-1499 (1471A-StrangePartition)

; 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 [5 x i8], align 1
@.str.1 = external hidden unnamed_addr constant [10 x i8], align 1
@.str.2 = external hidden unnamed_addr constant [11 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
  %9 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef @.str, ptr noundef %2)
  br label %10

10:                                               ; preds = %33, %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 %43

14:                                               ; preds = %10
  call void @llvm.lifetime.start.p0(i64 8, ptr %3) #3
  call void @llvm.lifetime.start.p0(i64 8, ptr %4) #3
  %15 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef @.str.1, ptr noundef %3, ptr noundef %4)
  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
  br label %16

16:                                               ; preds = %20, %14
  %17 = load i64, ptr %3, align 8, !tbaa !5
  %18 = add nsw i64 %17, -1
  store i64 %18, ptr %3, align 8, !tbaa !5
  %19 = icmp ne i64 %17, 0
  br i1 %19, label %20, label %33

20:                                               ; preds = %16
  call void @llvm.lifetime.start.p0(i64 8, ptr %7) #3
  %21 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef @.str, ptr noundef %7)
  %22 = load i64, ptr %7, align 8, !tbaa !5
  %23 = load i64, ptr %5, align 8, !tbaa !5
  %24 = add nsw i64 %23, %22
  store i64 %24, ptr %5, align 8, !tbaa !5
  %25 = load i64, ptr %7, align 8, !tbaa !5
  %26 = load i64, ptr %4, align 8, !tbaa !5
  %27 = add nsw i64 %25, %26
  %28 = sub nsw i64 %27, 1
  %29 = load i64, ptr %4, align 8, !tbaa !5
  %30 = sdiv i64 %28, %29
  %31 = load i64, ptr %6, align 8, !tbaa !5
  %32 = add nsw i64 %31, %30
  store i64 %32, ptr %6, align 8, !tbaa !5
  call void @llvm.lifetime.end.p0(i64 8, ptr %7) #3
  br label %16, !llvm.loop !9

33:                                               ; preds = %16
  call void @llvm.lifetime.start.p0(i64 8, ptr %8) #3
  %34 = load i64, ptr %5, align 8, !tbaa !5
  %35 = load i64, ptr %4, align 8, !tbaa !5
  %36 = add nsw i64 %34, %35
  %37 = sub nsw i64 %36, 1
  %38 = load i64, ptr %4, align 8, !tbaa !5
  %39 = sdiv i64 %37, %38
  store i64 %39, ptr %8, align 8, !tbaa !5
  %40 = load i64, ptr %8, align 8, !tbaa !5
  %41 = load i64, ptr %6, align 8, !tbaa !5
  %42 = call i32 (ptr, ...) @printf(ptr noundef @.str.2, i64 noundef %40, i64 noundef %41)
  call void @llvm.lifetime.end.p0(i64 8, ptr %8) #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 %10, !llvm.loop !11

43:                                               ; preds = %10
  call void @llvm.lifetime.end.p0(i64 8, ptr %2) #3
  %44 = load i32, ptr %1, align 4
  ret i32 %44
}

; 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 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}


; 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 [5 x i8], align 1
@.str.1 = external hidden unnamed_addr constant [10 x i8], align 1
@.str.2 = external hidden unnamed_addr constant [11 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) #3
  %5 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef nonnull @.str, ptr noundef nonnull %1)
  %6 = load i64, ptr %1, align 8, !tbaa !5
  %7 = add nsw i64 %6, -1
  store i64 %7, ptr %1, align 8, !tbaa !5
  %.not12 = icmp eq i64 %6, 0
  br i1 %.not12, label %._crit_edge15, label %.lr.ph14

.lr.ph14:                                         ; preds = %0, %._crit_edge
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %2) #3
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %3) #3
  %8 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef nonnull @.str.1, ptr noundef nonnull %2, ptr noundef nonnull %3)
  %9 = load i64, ptr %2, align 8, !tbaa !5
  %10 = add nsw i64 %9, -1
  store i64 %10, ptr %2, align 8, !tbaa !5
  %.not78 = icmp eq i64 %9, 0
  br i1 %.not78, label %.lr.ph14.._crit_edge_crit_edge, label %.lr.ph

.lr.ph14.._crit_edge_crit_edge:                   ; preds = %.lr.ph14
  %.pre = load i64, ptr %3, align 8, !tbaa !5
  br label %._crit_edge

.lr.ph:                                           ; preds = %.lr.ph14, %.lr.ph
  %.010 = phi i64 [ %13, %.lr.ph ], [ 0, %.lr.ph14 ]
  %.069 = phi i64 [ %18, %.lr.ph ], [ 0, %.lr.ph14 ]
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %4) #3
  %11 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef nonnull @.str, ptr noundef nonnull %4)
  %12 = load i64, ptr %4, align 8, !tbaa !5
  %13 = add nsw i64 %12, %.010
  %14 = load i64, ptr %3, align 8, !tbaa !5
  %15 = add i64 %12, -1
  %16 = add i64 %15, %14
  %17 = sdiv i64 %16, %14
  %18 = add nsw i64 %17, %.069
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %4) #3
  %19 = load i64, ptr %2, align 8, !tbaa !5
  %20 = add nsw i64 %19, -1
  store i64 %20, ptr %2, align 8, !tbaa !5
  %.not7 = icmp eq i64 %19, 0
  br i1 %.not7, label %._crit_edge, label %.lr.ph, !llvm.loop !9

._crit_edge:                                      ; preds = %.lr.ph, %.lr.ph14.._crit_edge_crit_edge
  %21 = phi i64 [ %.pre, %.lr.ph14.._crit_edge_crit_edge ], [ %14, %.lr.ph ]
  %.06.lcssa = phi i64 [ 0, %.lr.ph14.._crit_edge_crit_edge ], [ %18, %.lr.ph ]
  %.0.lcssa = phi i64 [ 0, %.lr.ph14.._crit_edge_crit_edge ], [ %13, %.lr.ph ]
  %22 = add i64 %.0.lcssa, -1
  %23 = add i64 %22, %21
  %24 = sdiv i64 %23, %21
  %25 = call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(1) @.str.2, i64 noundef %24, i64 noundef %.06.lcssa)
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %3) #3
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %2) #3
  %26 = load i64, ptr %1, align 8, !tbaa !5
  %27 = add nsw i64 %26, -1
  store i64 %27, ptr %1, align 8, !tbaa !5
  %.not = icmp eq i64 %26, 0
  br i1 %.not, label %._crit_edge15, label %.lr.ph14, !llvm.loop !11

._crit_edge15:                                    ; preds = %._crit_edge, %0
  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 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}


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