; LLVM IR from tangjz/acm-icpc :: codeforces/complete (498A)

; 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"

@n = external dso_local global i32, align 4
@ans = external dso_local global i32, align 4
@x1 = external dso_local global i64, align 8
@y1 = external dso_local global i64, align 8
@x2 = external dso_local global i64, align 8
@y2 = external dso_local global i64, align 8
@.str = external hidden unnamed_addr constant [21 x i8], align 1
@.str.1 = external hidden unnamed_addr constant [3 x i8], align 1
@.str.2 = external hidden unnamed_addr constant [16 x i8], align 1
@.str.3 = external hidden unnamed_addr constant [4 x i8], align 1

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef i64 @_Z3valxxxxx(i64 noundef, i64 noundef, i64 noundef, i64 noundef, i64 noundef) #0

; Function Attrs: mustprogress norecurse uwtable
define dso_local noundef i32 @main() #1 {
  %1 = alloca i32, align 4
  %2 = alloca i32, align 4
  %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
  store i32 0, ptr %1, align 4
  %8 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef @.str, ptr noundef @x1, ptr noundef @y1, ptr noundef @x2, ptr noundef @y2)
  %9 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef @.str.1, ptr noundef @n)
  call void @llvm.lifetime.start.p0(i64 4, ptr %2) #4
  store i32 0, ptr %2, align 4, !tbaa !5
  br label %10

10:                                               ; preds = %44, %0
  %11 = load i32, ptr %2, align 4, !tbaa !5
  %12 = load i32, ptr @n, align 4, !tbaa !5
  %13 = icmp slt i32 %11, %12
  br i1 %13, label %15, label %14

14:                                               ; preds = %10
  call void @llvm.lifetime.end.p0(i64 4, ptr %2) #4
  br label %47

15:                                               ; preds = %10
  call void @llvm.lifetime.start.p0(i64 8, ptr %3) #4
  call void @llvm.lifetime.start.p0(i64 8, ptr %4) #4
  call void @llvm.lifetime.start.p0(i64 8, ptr %5) #4
  %16 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef @.str.2, ptr noundef %3, ptr noundef %4, ptr noundef %5)
  call void @llvm.lifetime.start.p0(i64 8, ptr %6) #4
  %17 = load i64, ptr %3, align 8, !tbaa !9
  %18 = load i64, ptr %4, align 8, !tbaa !9
  %19 = load i64, ptr %5, align 8, !tbaa !9
  %20 = load i64, ptr @x1, align 8, !tbaa !9
  %21 = load i64, ptr @y1, align 8, !tbaa !9
  %22 = call noundef i64 @_Z3valxxxxx(i64 noundef %17, i64 noundef %18, i64 noundef %19, i64 noundef %20, i64 noundef %21)
  store i64 %22, ptr %6, align 8, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 8, ptr %7) #4
  %23 = load i64, ptr %3, align 8, !tbaa !9
  %24 = load i64, ptr %4, align 8, !tbaa !9
  %25 = load i64, ptr %5, align 8, !tbaa !9
  %26 = load i64, ptr @x2, align 8, !tbaa !9
  %27 = load i64, ptr @y2, align 8, !tbaa !9
  %28 = call noundef i64 @_Z3valxxxxx(i64 noundef %23, i64 noundef %24, i64 noundef %25, i64 noundef %26, i64 noundef %27)
  store i64 %28, ptr %7, align 8, !tbaa !9
  %29 = load i64, ptr %6, align 8, !tbaa !9
  %30 = icmp slt i64 %29, 0
  br i1 %30, label %31, label %34

31:                                               ; preds = %15
  %32 = load i64, ptr %7, align 8, !tbaa !9
  %33 = icmp sgt i64 %32, 0
  br i1 %33, label %40, label %34

34:                                               ; preds = %31, %15
  %35 = load i64, ptr %6, align 8, !tbaa !9
  %36 = icmp sgt i64 %35, 0
  br i1 %36, label %37, label %43

37:                                               ; preds = %34
  %38 = load i64, ptr %7, align 8, !tbaa !9
  %39 = icmp slt i64 %38, 0
  br i1 %39, label %40, label %43

40:                                               ; preds = %37, %31
  %41 = load i32, ptr @ans, align 4, !tbaa !5
  %42 = add nsw i32 %41, 1
  store i32 %42, ptr @ans, align 4, !tbaa !5
  br label %43

43:                                               ; preds = %40, %37, %34
  call void @llvm.lifetime.end.p0(i64 8, ptr %7) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr %6) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr %5) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr %4) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr %3) #4
  br label %44

44:                                               ; preds = %43
  %45 = load i32, ptr %2, align 4, !tbaa !5
  %46 = add nsw i32 %45, 1
  store i32 %46, ptr %2, align 4, !tbaa !5
  br label %10, !llvm.loop !11

47:                                               ; preds = %14
  %48 = load i32, ptr @ans, align 4, !tbaa !5
  %49 = call i32 (ptr, ...) @printf(ptr noundef @.str.3, i32 noundef %48)
  ret i32 0
}

declare i32 @__isoc99_scanf(ptr noundef, ...) #2

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #3

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #3

declare i32 @printf(ptr noundef, ...) #2

attributes #0 = { mustprogress 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 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 #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 nosync nounwind willreturn memory(argmem: readwrite) }
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 = !{!"int", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}
!9 = !{!10, !10, i64 0}
!10 = !{!"long 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"

@n = external dso_local global i32, align 4
@ans = external dso_local local_unnamed_addr global i32, align 4
@x1 = external dso_local global i64, align 8
@y1 = external dso_local global i64, align 8
@x2 = external dso_local global i64, align 8
@y2 = external dso_local global i64, align 8
@.str = external hidden unnamed_addr constant [21 x i8], align 1
@.str.1 = external hidden unnamed_addr constant [3 x i8], align 1
@.str.2 = external hidden unnamed_addr constant [16 x i8], align 1
@.str.3 = external hidden unnamed_addr constant [4 x i8], align 1

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef i64 @_Z3valxxxxx(i64 noundef, i64 noundef, i64 noundef, i64 noundef, i64 noundef) local_unnamed_addr #0

; Function Attrs: mustprogress norecurse nounwind uwtable
define dso_local noundef i32 @main() local_unnamed_addr #1 {
  %1 = alloca i64, align 8
  %2 = alloca i64, align 8
  %3 = alloca i64, align 8
  %4 = tail call i32 (ptr, ...) @__isoc99_scanf(ptr noundef nonnull @.str, ptr noundef nonnull @x1, ptr noundef nonnull @y1, ptr noundef nonnull @x2, ptr noundef nonnull @y2)
  %5 = tail call i32 (ptr, ...) @__isoc99_scanf(ptr noundef nonnull @.str.1, ptr noundef nonnull @n)
  %6 = load i32, ptr @n, align 4, !tbaa !5
  %7 = icmp sgt i32 %6, 0
  br i1 %7, label %.lr.ph, label %._crit_edge

._crit_edge:                                      ; preds = %31, %0
  %8 = load i32, ptr @ans, align 4, !tbaa !5
  %9 = call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(1) @.str.3, i32 noundef %8)
  ret i32 0

.lr.ph:                                           ; preds = %0, %31
  %.09 = phi i32 [ %32, %31 ], [ 0, %0 ]
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %1) #4
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %2) #4
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %3) #4
  %10 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef nonnull @.str.2, ptr noundef nonnull %1, ptr noundef nonnull %2, ptr noundef nonnull %3)
  %11 = load i64, ptr %1, align 8, !tbaa !9
  %12 = load i64, ptr %2, align 8, !tbaa !9
  %13 = load i64, ptr %3, align 8, !tbaa !9
  %14 = load i64, ptr @x1, align 8, !tbaa !9
  %15 = load i64, ptr @y1, align 8, !tbaa !9
  %16 = call noundef i64 @_Z3valxxxxx(i64 noundef %11, i64 noundef %12, i64 noundef %13, i64 noundef %14, i64 noundef %15)
  %17 = load i64, ptr %1, align 8, !tbaa !9
  %18 = load i64, ptr %2, align 8, !tbaa !9
  %19 = load i64, ptr %3, align 8, !tbaa !9
  %20 = load i64, ptr @x2, align 8, !tbaa !9
  %21 = load i64, ptr @y2, align 8, !tbaa !9
  %22 = call noundef i64 @_Z3valxxxxx(i64 noundef %17, i64 noundef %18, i64 noundef %19, i64 noundef %20, i64 noundef %21)
  %23 = icmp slt i64 %16, 0
  %24 = icmp sgt i64 %22, 0
  %or.cond = and i1 %23, %24
  br i1 %or.cond, label %28, label %25

25:                                               ; preds = %.lr.ph
  %26 = icmp sgt i64 %16, 0
  %27 = icmp slt i64 %22, 0
  %or.cond3 = and i1 %26, %27
  br i1 %or.cond3, label %28, label %31

28:                                               ; preds = %25, %.lr.ph
  %29 = load i32, ptr @ans, align 4, !tbaa !5
  %30 = add nsw i32 %29, 1
  store i32 %30, ptr @ans, align 4, !tbaa !5
  br label %31

31:                                               ; preds = %28, %25
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %3) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %2) #4
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %1) #4
  %32 = add nuw nsw i32 %.09, 1
  %33 = load i32, ptr @n, align 4, !tbaa !5
  %34 = icmp slt i32 %32, %33
  br i1 %34, label %.lr.ph, label %._crit_edge, !llvm.loop !11
}

; 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.start.p0(i64 immarg, ptr nocapture) #3

; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #3

; Function Attrs: nofree nounwind
declare noundef i32 @printf(ptr nocapture noundef readonly, ...) local_unnamed_addr #2

attributes #0 = { mustprogress 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 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 #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 nosync nounwind willreturn memory(argmem: readwrite) }
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 = !{!"int", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}
!9 = !{!10, !10, i64 0}
!10 = !{!"long long", !7, i64 0}
!11 = distinct !{!11, !12}
!12 = !{!"llvm.loop.mustprogress"}


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