; LLVM IR from DionysiosB/CodeForces :: 1200-1299 (1248A-IntegerPoints)

; 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 [6 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 [2 x i64], align 16
  %5 = alloca i64, align 8
  %6 = alloca i64, align 8
  %7 = alloca [2 x i64], align 16
  %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) #4
  %10 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef @.str, ptr noundef %2)
  br label %11

11:                                               ; preds = %41, %0
  %12 = load i64, ptr %2, align 8, !tbaa !5
  %13 = add nsw i64 %12, -1
  store i64 %13, ptr %2, align 8, !tbaa !5
  %14 = icmp ne i64 %12, 0
  br i1 %14, label %15, label %55

15:                                               ; preds = %11
  call void @llvm.lifetime.start.p0(i64 8, ptr %3) #4
  %16 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef @.str, ptr noundef %3)
  call void @llvm.lifetime.start.p0(i64 16, ptr %4) #4
  call void @llvm.memset.p0.i64(ptr align 16 %4, i8 0, i64 16, i1 false)
  br label %17

17:                                               ; preds = %21, %15
  %18 = load i64, ptr %3, align 8, !tbaa !5
  %19 = add nsw i64 %18, -1
  store i64 %19, ptr %3, align 8, !tbaa !5
  %20 = icmp ne i64 %18, 0
  br i1 %20, label %21, label %28

21:                                               ; preds = %17
  call void @llvm.lifetime.start.p0(i64 8, ptr %5) #4
  %22 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef @.str, ptr noundef %5)
  %23 = load i64, ptr %5, align 8, !tbaa !5
  %24 = and i64 %23, 1
  %25 = getelementptr inbounds [2 x i64], ptr %4, i64 0, i64 %24
  %26 = load i64, ptr %25, align 8, !tbaa !5
  %27 = add nsw i64 %26, 1
  store i64 %27, ptr %25, align 8, !tbaa !5
  call void @llvm.lifetime.end.p0(i64 8, ptr %5) #4
  br label %17, !llvm.loop !9

28:                                               ; preds = %17
  call void @llvm.lifetime.start.p0(i64 8, ptr %6) #4
  %29 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef @.str, ptr noundef %6)
  call void @llvm.lifetime.start.p0(i64 16, ptr %7) #4
  call void @llvm.memset.p0.i64(ptr align 16 %7, i8 0, i64 16, i1 false)
  br label %30

30:                                               ; preds = %34, %28
  %31 = load i64, ptr %6, align 8, !tbaa !5
  %32 = add nsw i64 %31, -1
  store i64 %32, ptr %6, align 8, !tbaa !5
  %33 = icmp ne i64 %31, 0
  br i1 %33, label %34, label %41

34:                                               ; preds = %30
  call void @llvm.lifetime.start.p0(i64 8, ptr %8) #4
  %35 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef @.str, ptr noundef %8)
  %36 = load i64, ptr %8, align 8, !tbaa !5
  %37 = and i64 %36, 1
  %38 = getelementptr inbounds [2 x i64], ptr %7, i64 0, i64 %37
  %39 = load i64, ptr %38, align 8, !tbaa !5
  %40 = add nsw i64 %39, 1
  store i64 %40, ptr %38, align 8, !tbaa !5
  call void @llvm.lifetime.end.p0(i64 8, ptr %8) #4
  br label %30, !llvm.loop !11

41:                                               ; preds = %30
  call void @llvm.lifetime.start.p0(i64 8, ptr %9) #4
  %42 = getelementptr inbounds [2 x i64], ptr %4, i64 0, i64 0
  %43 = load i64, ptr %42, align 16, !tbaa !5
  %44 = getelementptr inbounds [2 x i64], ptr %7, i64 0, i64 0
  %45 = load i64, ptr %44, align 16, !tbaa !5
  %46 = mul nsw i64 %43, %45
  %47 = getelementptr inbounds [2 x i64], ptr %4, i64 0, i64 1
  %48 = load i64, ptr %47, align 8, !tbaa !5
  %49 = getelementptr inbounds [2 x i64], ptr %7, i64 0, i64 1
  %50 = load i64, ptr %49, align 8, !tbaa !5
  %51 = mul nsw i64 %48, %50
  %52 = add nsw i64 %46, %51
  store i64 %52, ptr %9, align 8, !tbaa !5
  %53 = load i64, ptr %9, align 8, !tbaa !5
  %54 = call i32 (ptr, ...) @printf(ptr noundef @.str.1, i64 noundef %53)
  call void @llvm.lifetime.end.p0(i64 8, ptr %9) #4
  call void @llvm.lifetime.end.p0(i64 16, ptr %7) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr %6) #4
  call void @llvm.lifetime.end.p0(i64 16, ptr %4) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr %3) #4
  br label %11, !llvm.loop !12

55:                                               ; preds = %11
  call void @llvm.lifetime.end.p0(i64 8, ptr %2) #4
  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 nounwind willreturn memory(argmem: write)
declare void @llvm.memset.p0.i64(ptr nocapture writeonly, i8, i64, i1 immarg) #3

; 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 = { nocallback nofree nounwind willreturn memory(argmem: write) }
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 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}
!12 = distinct !{!12, !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 [6 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 [2 x i64], align 16
  %4 = alloca i64, align 8
  %5 = alloca i64, align 8
  %6 = alloca [2 x i64], align 16
  %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
  %.not8 = icmp eq i64 %9, 0
  br i1 %.not8, label %._crit_edge11, label %.lr.ph10

.lr.ph10:                                         ; preds = %0
  %11 = getelementptr inbounds i8, ptr %3, i64 8
  %12 = getelementptr inbounds i8, ptr %6, i64 8
  br label %13

13:                                               ; preds = %.lr.ph10, %._crit_edge7
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %2) #4
  %14 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef nonnull @.str, ptr noundef nonnull %2)
  call void @llvm.lifetime.start.p0(i64 16, ptr nonnull %3) #4
  call void @llvm.memset.p0.i64(ptr noundef nonnull align 16 dereferenceable(16) %3, i8 0, i64 16, i1 false)
  %15 = load i64, ptr %2, align 8, !tbaa !5
  %16 = add nsw i64 %15, -1
  store i64 %16, ptr %2, align 8, !tbaa !5
  %.not13 = icmp eq i64 %15, 0
  br i1 %.not13, label %._crit_edge, label %.lr.ph

.lr.ph:                                           ; preds = %13, %.lr.ph
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %4) #4
  %17 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef nonnull @.str, ptr noundef nonnull %4)
  %18 = load i64, ptr %4, align 8, !tbaa !5
  %19 = and i64 %18, 1
  %20 = getelementptr inbounds [2 x i64], ptr %3, i64 0, i64 %19
  %21 = load i64, ptr %20, align 8, !tbaa !5
  %22 = add nsw i64 %21, 1
  store i64 %22, ptr %20, align 8, !tbaa !5
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %4) #4
  %23 = load i64, ptr %2, align 8, !tbaa !5
  %24 = add nsw i64 %23, -1
  store i64 %24, ptr %2, align 8, !tbaa !5
  %.not1 = icmp eq i64 %23, 0
  br i1 %.not1, label %._crit_edge, label %.lr.ph, !llvm.loop !9

._crit_edge:                                      ; preds = %.lr.ph, %13
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %5) #4
  %25 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef nonnull @.str, ptr noundef nonnull %5)
  call void @llvm.lifetime.start.p0(i64 16, ptr nonnull %6) #4
  call void @llvm.memset.p0.i64(ptr noundef nonnull align 16 dereferenceable(16) %6, i8 0, i64 16, i1 false)
  %26 = load i64, ptr %5, align 8, !tbaa !5
  %27 = add nsw i64 %26, -1
  store i64 %27, ptr %5, align 8, !tbaa !5
  %.not24 = icmp eq i64 %26, 0
  br i1 %.not24, label %._crit_edge7, label %.lr.ph6

.lr.ph6:                                          ; preds = %._crit_edge, %.lr.ph6
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %7) #4
  %28 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef nonnull @.str, ptr noundef nonnull %7)
  %29 = load i64, ptr %7, align 8, !tbaa !5
  %30 = and i64 %29, 1
  %31 = getelementptr inbounds [2 x i64], ptr %6, i64 0, i64 %30
  %32 = load i64, ptr %31, align 8, !tbaa !5
  %33 = add nsw i64 %32, 1
  store i64 %33, ptr %31, align 8, !tbaa !5
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %7) #4
  %34 = load i64, ptr %5, align 8, !tbaa !5
  %35 = add nsw i64 %34, -1
  store i64 %35, ptr %5, align 8, !tbaa !5
  %.not2 = icmp eq i64 %34, 0
  br i1 %.not2, label %._crit_edge7.loopexit, label %.lr.ph6, !llvm.loop !11

._crit_edge7.loopexit:                            ; preds = %.lr.ph6
  %.pre = load i64, ptr %6, align 16, !tbaa !5
  %.pre12 = load i64, ptr %12, align 8, !tbaa !5
  br label %._crit_edge7

._crit_edge7:                                     ; preds = %._crit_edge7.loopexit, %._crit_edge
  %36 = phi i64 [ %.pre12, %._crit_edge7.loopexit ], [ 0, %._crit_edge ]
  %37 = phi i64 [ %.pre, %._crit_edge7.loopexit ], [ 0, %._crit_edge ]
  %38 = load i64, ptr %3, align 16, !tbaa !5
  %39 = mul nsw i64 %37, %38
  %40 = load i64, ptr %11, align 8, !tbaa !5
  %41 = mul nsw i64 %36, %40
  %42 = add nsw i64 %41, %39
  %43 = call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(1) @.str.1, i64 noundef %42)
  call void @llvm.lifetime.end.p0(i64 16, ptr nonnull %6) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %5) #4
  call void @llvm.lifetime.end.p0(i64 16, ptr nonnull %3) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %2) #4
  %44 = load i64, ptr %1, align 8, !tbaa !5
  %45 = add nsw i64 %44, -1
  store i64 %45, ptr %1, align 8, !tbaa !5
  %.not = icmp eq i64 %44, 0
  br i1 %.not, label %._crit_edge11, label %13, !llvm.loop !12

._crit_edge11:                                    ; preds = %._crit_edge7, %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: mustprogress nocallback nofree nounwind willreturn memory(argmem: write)
declare void @llvm.memset.p0.i64(ptr nocapture writeonly, i8, i64, i1 immarg) #3

; 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 = { mustprogress nocallback nofree nounwind willreturn memory(argmem: write) }
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 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}
!12 = distinct !{!12, !10}


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