; LLVM IR from DionysiosB/CodeForces :: 0400-0499 (439A-DevuTheSingerAndChuruTheJoker)

; 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 [9 x i8], align 1
@.str.1 = external hidden unnamed_addr constant [4 x i8], align 1
@.str.2 = external hidden unnamed_addr constant [3 x i8], align 1
@.str.3 = 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 i32, align 4
  %3 = alloca i32, align 4
  %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 4, ptr %2) #3
  store i32 10, ptr %2, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 4, ptr %3) #3
  store i32 2, ptr %3, align 4, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %4) #3
  call void @llvm.lifetime.start.p0(i64 8, ptr %5) #3
  %9 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef @.str, ptr noundef %4, ptr noundef %5)
  call void @llvm.lifetime.start.p0(i64 8, ptr %6) #3
  store i64 0, ptr %6, align 8, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 8, ptr %7) #3
  store i64 0, ptr %7, align 8, !tbaa !9
  br label %10

10:                                               ; preds = %14, %0
  %11 = load i64, ptr %4, align 8, !tbaa !9
  %12 = add nsw i64 %11, -1
  store i64 %12, ptr %4, align 8, !tbaa !9
  %13 = icmp ne i64 %11, 0
  br i1 %13, label %14, label %22

14:                                               ; preds = %10
  call void @llvm.lifetime.start.p0(i64 8, ptr %8) #3
  %15 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef @.str.1, ptr noundef %8)
  %16 = load i64, ptr %8, align 8, !tbaa !9
  %17 = add nsw i64 %16, 10
  %18 = load i64, ptr %6, align 8, !tbaa !9
  %19 = add nsw i64 %18, %17
  store i64 %19, ptr %6, align 8, !tbaa !9
  %20 = load i64, ptr %7, align 8, !tbaa !9
  %21 = add nsw i64 %20, 2
  store i64 %21, ptr %7, align 8, !tbaa !9
  call void @llvm.lifetime.end.p0(i64 8, ptr %8) #3
  br label %10, !llvm.loop !11

22:                                               ; preds = %10
  %23 = load i64, ptr %6, align 8, !tbaa !9
  %24 = sub nsw i64 %23, 10
  store i64 %24, ptr %6, align 8, !tbaa !9
  %25 = load i64, ptr %7, align 8, !tbaa !9
  %26 = sub nsw i64 %25, 2
  store i64 %26, ptr %7, align 8, !tbaa !9
  %27 = load i64, ptr %5, align 8, !tbaa !9
  %28 = load i64, ptr %6, align 8, !tbaa !9
  %29 = sub nsw i64 %27, %28
  %30 = sdiv i64 %29, 5
  %31 = load i64, ptr %7, align 8, !tbaa !9
  %32 = add nsw i64 %31, %30
  store i64 %32, ptr %7, align 8, !tbaa !9
  %33 = load i64, ptr %6, align 8, !tbaa !9
  %34 = load i64, ptr %5, align 8, !tbaa !9
  %35 = icmp sgt i64 %33, %34
  br i1 %35, label %36, label %38

36:                                               ; preds = %22
  %37 = call i32 @puts(ptr noundef @.str.2)
  br label %41

38:                                               ; preds = %22
  %39 = load i64, ptr %7, align 8, !tbaa !9
  %40 = call i32 (ptr, ...) @printf(ptr noundef @.str.3, i64 noundef %39)
  br label %41

41:                                               ; preds = %38, %36
  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 4, ptr %3) #3
  call void @llvm.lifetime.end.p0(i64 4, 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 @puts(ptr noundef) #2

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 = !{!"int", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}
!9 = !{!10, !10, i64 0}
!10 = !{!"long", !7, i64 0}
!11 = distinct !{!11, !12}
!12 = !{!"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 [9 x i8], align 1
@.str.1 = external hidden unnamed_addr constant [4 x i8], align 1
@.str.2 = external hidden unnamed_addr constant [3 x i8], align 1
@.str.3 = 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
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %1) #3
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %2) #3
  %4 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef nonnull @.str, ptr noundef nonnull %1, ptr noundef nonnull %2)
  %5 = load i64, ptr %1, align 8, !tbaa !5
  %6 = add nsw i64 %5, -1
  store i64 %6, ptr %1, align 8, !tbaa !5
  %.not9 = icmp eq i64 %5, 0
  br i1 %.not9, label %._crit_edge, label %.lr.ph

.lr.ph:                                           ; preds = %0, %.lr.ph
  %.011 = phi i64 [ %11, %.lr.ph ], [ 0, %0 ]
  %.0810 = phi i64 [ %10, %.lr.ph ], [ 0, %0 ]
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %3) #3
  %7 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef nonnull @.str.1, ptr noundef nonnull %3)
  %8 = load i64, ptr %3, align 8, !tbaa !5
  %9 = add i64 %.0810, 10
  %10 = add i64 %9, %8
  %11 = add nuw nsw i64 %.011, 2
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %3) #3
  %12 = load i64, ptr %1, align 8, !tbaa !5
  %13 = add nsw i64 %12, -1
  store i64 %13, ptr %1, align 8, !tbaa !5
  %.not = icmp eq i64 %12, 0
  br i1 %.not, label %._crit_edge.loopexit, label %.lr.ph, !llvm.loop !9

._crit_edge.loopexit:                             ; preds = %.lr.ph
  %14 = add i64 %.0810, %8
  br label %._crit_edge

._crit_edge:                                      ; preds = %._crit_edge.loopexit, %0
  %.08.lcssa = phi i64 [ -10, %0 ], [ %14, %._crit_edge.loopexit ]
  %.0.lcssa = phi i64 [ -2, %0 ], [ %.011, %._crit_edge.loopexit ]
  %15 = load i64, ptr %2, align 8, !tbaa !5
  %16 = icmp sgt i64 %.08.lcssa, %15
  br i1 %16, label %17, label %19

17:                                               ; preds = %._crit_edge
  %18 = call i32 @puts(ptr noundef nonnull dereferenceable(1) @.str.2)
  br label %24

19:                                               ; preds = %._crit_edge
  %20 = sub nsw i64 %15, %.08.lcssa
  %21 = sdiv i64 %20, 5
  %22 = add nsw i64 %.0.lcssa, %21
  %23 = call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(1) @.str.3, i64 noundef %22)
  br label %24

24:                                               ; preds = %19, %17
  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 @puts(ptr nocapture noundef readonly) local_unnamed_addr #2

; 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,GVNPass,GlobalOptPass,InferFunctionAttrsPass,InstCombinePass,InstSimplifyPass,LCSSAPass,LoopRotatePass,LoopSimplifyPass,LoopUnrollPass,PostOrderFunctionAttrsPass,ReassociatePass,SROAPass,SimplifyCFGPass