; LLVM IR from VastoLorde95/Competitive-Programming :: Codeforces/250 Division 1/Problem D (D)

; 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
@m = external dso_local global i32, align 4
@a = external dso_local global [262144 x i32], align 16
@.str = external hidden unnamed_addr constant [5 x i8], align 1
@.str.1 = external hidden unnamed_addr constant [3 x i8], align 1
@.str.2 = external hidden unnamed_addr constant [7 x i8], align 1
@.str.3 = external hidden unnamed_addr constant [7 x i8], align 1

; Function Attrs: mustprogress uwtable
declare dso_local void @_Z5buildiii(i32 noundef, i32 noundef, i32 noundef) #0

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #1

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #1

; Function Attrs: mustprogress uwtable
declare dso_local noundef i64 @_Z5queryiiiii(i32 noundef, i32 noundef, i32 noundef, i32 noundef, i32 noundef) #0

; Function Attrs: mustprogress uwtable
declare dso_local noundef i32 @_Z6query2iiiii(i32 noundef, i32 noundef, i32 noundef, i32 noundef, i32 noundef) #0

; Function Attrs: mustprogress uwtable
declare dso_local void @_Z6updateiiiii(i32 noundef, i32 noundef, i32 noundef, i32 noundef, i32 noundef) #0

; Function Attrs: mustprogress uwtable
declare dso_local void @_Z7update2iiiii(i32 noundef, i32 noundef, i32 noundef, i32 noundef, i32 noundef) #0

; Function Attrs: mustprogress norecurse uwtable
define dso_local noundef i32 @main() #2 {
  %1 = alloca i32, align 4
  %2 = alloca i32, align 4
  %3 = alloca i32, align 4
  %4 = alloca i32, align 4
  %5 = alloca i32, align 4
  %6 = alloca i32, align 4
  %7 = alloca i32, align 4
  %8 = alloca i32, align 4
  %9 = alloca i32, align 4
  %10 = alloca i32, align 4
  %11 = alloca i32, align 4
  %12 = alloca i32, align 4
  store i32 0, ptr %1, align 4
  %13 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef @.str, ptr noundef @n, ptr noundef @m)
  call void @llvm.lifetime.start.p0(i64 4, ptr %2) #4
  store i32 0, ptr %2, align 4, !tbaa !5
  br label %14

14:                                               ; preds = %24, %0
  %15 = load i32, ptr %2, align 4, !tbaa !5
  %16 = load i32, ptr @n, align 4, !tbaa !5
  %17 = icmp slt i32 %15, %16
  br i1 %17, label %19, label %18

18:                                               ; preds = %14
  call void @llvm.lifetime.end.p0(i64 4, ptr %2) #4
  br label %27

19:                                               ; preds = %14
  %20 = load i32, ptr %2, align 4, !tbaa !5
  %21 = sext i32 %20 to i64
  %22 = getelementptr inbounds [262144 x i32], ptr @a, i64 0, i64 %21
  %23 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef @.str.1, ptr noundef %22)
  br label %24

24:                                               ; preds = %19
  %25 = load i32, ptr %2, align 4, !tbaa !5
  %26 = add nsw i32 %25, 1
  store i32 %26, ptr %2, align 4, !tbaa !5
  br label %14, !llvm.loop !9

27:                                               ; preds = %18
  %28 = load i32, ptr @n, align 4, !tbaa !5
  call void @_Z5buildiii(i32 noundef 1, i32 noundef 0, i32 noundef %28)
  br label %29

29:                                               ; preds = %79, %27
  %30 = load i32, ptr @m, align 4, !tbaa !5
  %31 = add nsw i32 %30, -1
  store i32 %31, ptr @m, align 4, !tbaa !5
  %32 = icmp ne i32 %30, 0
  br i1 %32, label %33, label %80

33:                                               ; preds = %29
  call void @llvm.lifetime.start.p0(i64 4, ptr %3) #4
  %34 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef @.str.1, ptr noundef %3)
  %35 = load i32, ptr %3, align 4, !tbaa !5
  %36 = icmp eq i32 %35, 1
  br i1 %36, label %37, label %45

37:                                               ; preds = %33
  call void @llvm.lifetime.start.p0(i64 4, ptr %4) #4
  call void @llvm.lifetime.start.p0(i64 4, ptr %5) #4
  %38 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef @.str, ptr noundef %4, ptr noundef %5)
  %39 = load i32, ptr %4, align 4, !tbaa !5
  %40 = sub nsw i32 %39, 1
  %41 = load i32, ptr %5, align 4, !tbaa !5
  %42 = load i32, ptr @n, align 4, !tbaa !5
  %43 = call noundef i64 @_Z5queryiiiii(i32 noundef %40, i32 noundef %41, i32 noundef 1, i32 noundef 0, i32 noundef %42)
  %44 = call i32 (ptr, ...) @printf(ptr noundef @.str.2, i64 noundef %43)
  call void @llvm.lifetime.end.p0(i64 4, ptr %5) #4
  call void @llvm.lifetime.end.p0(i64 4, ptr %4) #4
  br label %79

45:                                               ; preds = %33
  %46 = load i32, ptr %3, align 4, !tbaa !5
  %47 = icmp eq i32 %46, 2
  br i1 %47, label %48, label %72

48:                                               ; preds = %45
  call void @llvm.lifetime.start.p0(i64 4, ptr %6) #4
  call void @llvm.lifetime.start.p0(i64 4, ptr %7) #4
  call void @llvm.lifetime.start.p0(i64 4, ptr %8) #4
  %49 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef @.str.3, ptr noundef %6, ptr noundef %7, ptr noundef %8)
  br label %50

50:                                               ; preds = %70, %48
  br label %51

51:                                               ; preds = %50
  call void @llvm.lifetime.start.p0(i64 4, ptr %9) #4
  %52 = load i32, ptr %6, align 4, !tbaa !5
  %53 = sub nsw i32 %52, 1
  %54 = load i32, ptr %7, align 4, !tbaa !5
  %55 = load i32, ptr @n, align 4, !tbaa !5
  %56 = call noundef i32 @_Z6query2iiiii(i32 noundef %53, i32 noundef %54, i32 noundef 1, i32 noundef 0, i32 noundef %55)
  store i32 %56, ptr %9, align 4, !tbaa !5
  %57 = load i32, ptr %9, align 4, !tbaa !5
  %58 = sext i32 %57 to i64
  %59 = getelementptr inbounds [262144 x i32], ptr @a, i64 0, i64 %58
  %60 = load i32, ptr %59, align 4, !tbaa !5
  %61 = load i32, ptr %8, align 4, !tbaa !5
  %62 = icmp slt i32 %60, %61
  br i1 %62, label %63, label %64

63:                                               ; preds = %51
  store i32 8, ptr %10, align 4
  br label %68

64:                                               ; preds = %51
  %65 = load i32, ptr %9, align 4, !tbaa !5
  %66 = load i32, ptr %8, align 4, !tbaa !5
  %67 = load i32, ptr @n, align 4, !tbaa !5
  call void @_Z6updateiiiii(i32 noundef %65, i32 noundef %66, i32 noundef 1, i32 noundef 0, i32 noundef %67)
  store i32 0, ptr %10, align 4
  br label %68

68:                                               ; preds = %64, %63
  call void @llvm.lifetime.end.p0(i64 4, ptr %9) #4
  %69 = load i32, ptr %10, align 4
  switch i32 %69, label %81 [
    i32 0, label %70
    i32 8, label %71
  ]

70:                                               ; preds = %68
  br label %50, !llvm.loop !11

71:                                               ; preds = %68
  call void @llvm.lifetime.end.p0(i64 4, ptr %8) #4
  call void @llvm.lifetime.end.p0(i64 4, ptr %7) #4
  call void @llvm.lifetime.end.p0(i64 4, ptr %6) #4
  br label %78

72:                                               ; preds = %45
  call void @llvm.lifetime.start.p0(i64 4, ptr %11) #4
  call void @llvm.lifetime.start.p0(i64 4, ptr %12) #4
  %73 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef @.str, ptr noundef %11, ptr noundef %12)
  %74 = load i32, ptr %11, align 4, !tbaa !5
  %75 = sub nsw i32 %74, 1
  %76 = load i32, ptr %12, align 4, !tbaa !5
  %77 = load i32, ptr @n, align 4, !tbaa !5
  call void @_Z7update2iiiii(i32 noundef %75, i32 noundef %76, i32 noundef 1, i32 noundef 0, i32 noundef %77)
  call void @llvm.lifetime.end.p0(i64 4, ptr %12) #4
  call void @llvm.lifetime.end.p0(i64 4, ptr %11) #4
  br label %78

78:                                               ; preds = %72, %71
  br label %79

79:                                               ; preds = %78, %37
  call void @llvm.lifetime.end.p0(i64 4, ptr %3) #4
  br label %29, !llvm.loop !12

80:                                               ; preds = %29
  ret i32 0

81:                                               ; preds = %68
  unreachable
}

declare i32 @__isoc99_scanf(ptr noundef, ...) #3

declare i32 @printf(ptr noundef, ...) #3

attributes #0 = { mustprogress 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 = { 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 #3 = { "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 #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 = 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"

@n = external dso_local global i32, align 4
@m = external dso_local global i32, align 4
@a = external dso_local global [262144 x i32], align 16
@.str = external hidden unnamed_addr constant [5 x i8], align 1
@.str.1 = external hidden unnamed_addr constant [3 x i8], align 1
@.str.2 = external hidden unnamed_addr constant [7 x i8], align 1
@.str.3 = external hidden unnamed_addr constant [7 x i8], align 1

; Function Attrs: mustprogress uwtable
declare dso_local void @_Z5buildiii(i32 noundef, i32 noundef, i32 noundef) local_unnamed_addr #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: mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #1

; Function Attrs: mustprogress uwtable
declare dso_local noundef i64 @_Z5queryiiiii(i32 noundef, i32 noundef, i32 noundef, i32 noundef, i32 noundef) local_unnamed_addr #0

; Function Attrs: mustprogress uwtable
declare dso_local noundef i32 @_Z6query2iiiii(i32 noundef, i32 noundef, i32 noundef, i32 noundef, i32 noundef) local_unnamed_addr #0

; Function Attrs: mustprogress uwtable
declare dso_local void @_Z6updateiiiii(i32 noundef, i32 noundef, i32 noundef, i32 noundef, i32 noundef) local_unnamed_addr #0

; Function Attrs: mustprogress uwtable
declare dso_local void @_Z7update2iiiii(i32 noundef, i32 noundef, i32 noundef, i32 noundef, i32 noundef) local_unnamed_addr #0

; Function Attrs: mustprogress norecurse uwtable
define dso_local noundef i32 @main() local_unnamed_addr #2 {
  %1 = alloca i32, align 4
  %2 = alloca i32, align 4
  %3 = alloca i32, align 4
  %4 = alloca i32, align 4
  %5 = alloca i32, align 4
  %6 = alloca i32, align 4
  %7 = alloca i32, align 4
  %8 = alloca i32, align 4
  %9 = tail call i32 (ptr, ...) @__isoc99_scanf(ptr noundef nonnull @.str, ptr noundef nonnull @n, ptr noundef nonnull @m)
  %10 = load i32, ptr @n, align 4, !tbaa !5
  %11 = icmp sgt i32 %10, 0
  br i1 %11, label %.lr.ph, label %._crit_edge

._crit_edge:                                      ; preds = %.lr.ph, %0
  %.lcssa = phi i32 [ %10, %0 ], [ %16, %.lr.ph ]
  tail call void @_Z5buildiii(i32 noundef 1, i32 noundef 0, i32 noundef %.lcssa)
  %12 = load i32, ptr @m, align 4, !tbaa !5
  %13 = add nsw i32 %12, -1
  store i32 %13, ptr @m, align 4, !tbaa !5
  %.not16 = icmp eq i32 %12, 0
  br i1 %.not16, label %._crit_edge19, label %.lr.ph18

.lr.ph:                                           ; preds = %0, %.lr.ph
  %indvars.iv = phi i64 [ %indvars.iv.next, %.lr.ph ], [ 0, %0 ]
  %14 = getelementptr inbounds [262144 x i32], ptr @a, i64 0, i64 %indvars.iv
  %15 = tail call i32 (ptr, ...) @__isoc99_scanf(ptr noundef nonnull @.str.1, ptr noundef nonnull %14)
  %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
  %16 = load i32, ptr @n, align 4, !tbaa !5
  %17 = sext i32 %16 to i64
  %18 = icmp slt i64 %indvars.iv.next, %17
  br i1 %18, label %.lr.ph, label %._crit_edge, !llvm.loop !9

.lr.ph18:                                         ; preds = %._crit_edge, %60
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %1) #4
  %19 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef nonnull @.str.1, ptr noundef nonnull %1)
  %20 = load i32, ptr %1, align 4, !tbaa !5
  switch i32 %20, label %54 [
    i32 1, label %21
    i32 2, label %29
  ]

21:                                               ; preds = %.lr.ph18
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %2) #4
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %3) #4
  %22 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef nonnull @.str, ptr noundef nonnull %2, ptr noundef nonnull %3)
  %23 = load i32, ptr %2, align 4, !tbaa !5
  %24 = add nsw i32 %23, -1
  %25 = load i32, ptr %3, align 4, !tbaa !5
  %26 = load i32, ptr @n, align 4, !tbaa !5
  %27 = call noundef i64 @_Z5queryiiiii(i32 noundef %24, i32 noundef %25, i32 noundef 1, i32 noundef 0, i32 noundef %26)
  %28 = call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(1) @.str.2, i64 noundef %27)
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %3) #4
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %2) #4
  br label %60

29:                                               ; preds = %.lr.ph18
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %4) #4
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %5) #4
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %6) #4
  %30 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef nonnull @.str.3, ptr noundef nonnull %4, ptr noundef nonnull %5, ptr noundef nonnull %6)
  %31 = load i32, ptr %4, align 4, !tbaa !5
  %32 = add nsw i32 %31, -1
  %33 = load i32, ptr %5, align 4, !tbaa !5
  %34 = load i32, ptr @n, align 4, !tbaa !5
  %35 = call noundef i32 @_Z6query2iiiii(i32 noundef %32, i32 noundef %33, i32 noundef 1, i32 noundef 0, i32 noundef %34)
  %36 = sext i32 %35 to i64
  %37 = getelementptr inbounds [262144 x i32], ptr @a, i64 0, i64 %36
  %38 = load i32, ptr %37, align 4, !tbaa !5
  %39 = load i32, ptr %6, align 4, !tbaa !5
  %40 = icmp slt i32 %38, %39
  br i1 %40, label %._crit_edge15, label %.lr.ph14

.lr.ph14:                                         ; preds = %29, %.lr.ph14
  %41 = phi i32 [ %52, %.lr.ph14 ], [ %39, %29 ]
  %42 = phi i32 [ %48, %.lr.ph14 ], [ %35, %29 ]
  %43 = load i32, ptr @n, align 4, !tbaa !5
  call void @_Z6updateiiiii(i32 noundef %42, i32 noundef %41, i32 noundef 1, i32 noundef 0, i32 noundef %43)
  %44 = load i32, ptr %4, align 4, !tbaa !5
  %45 = add nsw i32 %44, -1
  %46 = load i32, ptr %5, align 4, !tbaa !5
  %47 = load i32, ptr @n, align 4, !tbaa !5
  %48 = call noundef i32 @_Z6query2iiiii(i32 noundef %45, i32 noundef %46, i32 noundef 1, i32 noundef 0, i32 noundef %47)
  %49 = sext i32 %48 to i64
  %50 = getelementptr inbounds [262144 x i32], ptr @a, i64 0, i64 %49
  %51 = load i32, ptr %50, align 4, !tbaa !5
  %52 = load i32, ptr %6, align 4, !tbaa !5
  %53 = icmp slt i32 %51, %52
  br i1 %53, label %._crit_edge15, label %.lr.ph14

._crit_edge15:                                    ; preds = %.lr.ph14, %29
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %6) #4
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %5) #4
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %4) #4
  br label %60

54:                                               ; preds = %.lr.ph18
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %7) #4
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %8) #4
  %55 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef nonnull @.str, ptr noundef nonnull %7, ptr noundef nonnull %8)
  %56 = load i32, ptr %7, align 4, !tbaa !5
  %57 = add nsw i32 %56, -1
  %58 = load i32, ptr %8, align 4, !tbaa !5
  %59 = load i32, ptr @n, align 4, !tbaa !5
  call void @_Z7update2iiiii(i32 noundef %57, i32 noundef %58, i32 noundef 1, i32 noundef 0, i32 noundef %59)
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %8) #4
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %7) #4
  br label %60

60:                                               ; preds = %._crit_edge15, %54, %21
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %1) #4
  %61 = load i32, ptr @m, align 4, !tbaa !5
  %62 = add nsw i32 %61, -1
  store i32 %62, ptr @m, align 4, !tbaa !5
  %.not = icmp eq i32 %61, 0
  br i1 %.not, label %._crit_edge19, label %.lr.ph18, !llvm.loop !11

._crit_edge19:                                    ; preds = %60, %._crit_edge
  ret i32 0
}

; Function Attrs: nofree nounwind
declare noundef i32 @__isoc99_scanf(ptr nocapture noundef readonly, ...) local_unnamed_addr #3

; Function Attrs: nofree nounwind
declare noundef i32 @printf(ptr nocapture noundef readonly, ...) local_unnamed_addr #3

attributes #0 = { mustprogress 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 = { 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 #3 = { 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 #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 = distinct !{!9, !10}
!10 = !{!"llvm.loop.mustprogress"}
!11 = distinct !{!11, !10}


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