; LLVM IR from HarshCasper/NeoAlgo :: C/ds (AVL_tree)

; 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.1 = external hidden unnamed_addr constant [14 x i8], align 1
@.str.2 = external hidden unnamed_addr constant [13 x i8], align 1
@.str.3 = external hidden unnamed_addr constant [14 x i8], align 1
@.str.4 = external hidden unnamed_addr constant [18 x i8], align 1
@.str.5 = external hidden unnamed_addr constant [9 x i8], align 1
@.str.6 = external hidden unnamed_addr constant [17 x i8], align 1
@.str.7 = external hidden unnamed_addr constant [3 x i8], align 1
@.str.8 = external hidden unnamed_addr constant [30 x i8], align 1
@.str.9 = external hidden unnamed_addr constant [32 x i8], align 1
@.str.10 = external hidden unnamed_addr constant [46 x i8], align 1
@.str.11 = external hidden unnamed_addr constant [45 x i8], align 1
@.str.12 = external hidden unnamed_addr constant [47 x i8], align 1
@.str.13 = external hidden unnamed_addr constant [13 x i8], align 1
@.str.14 = external hidden unnamed_addr constant [17 x i8], align 1
@.str.15 = external hidden unnamed_addr constant [17 x i8], align 1

; Function Attrs: nounwind uwtable
declare dso_local void @inorder(ptr noundef) #0

declare i32 @printf(ptr noundef, ...) #1

; Function Attrs: nounwind uwtable
declare dso_local void @preorder(ptr noundef) #0

; Function Attrs: nounwind uwtable
declare dso_local void @postorder(ptr noundef) #0

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #2

; Function Attrs: nounwind uwtable
declare dso_local ptr @AVLinsertion(ptr noundef, i32 noundef) #0

; Function Attrs: nounwind uwtable
declare dso_local ptr @deleteelement(ptr noundef, i32 noundef) #0

; Function Attrs: nounwind uwtable
declare dso_local i32 @checkAVL(ptr noundef) #0

; Function Attrs: nounwind uwtable
define dso_local i32 @main() #0 {
  %1 = alloca i32, align 4
  %2 = alloca ptr, align 8
  %3 = alloca i32, align 4
  %4 = alloca i32, align 4
  store i32 0, ptr %1, align 4
  call void @llvm.lifetime.start.p0(i64 8, ptr %2) #4
  store ptr null, ptr %2, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 4, ptr %3) #4
  call void @llvm.lifetime.start.p0(i64 4, ptr %4) #4
  br label %5

5:                                                ; preds = %54, %0
  br label %6

6:                                                ; preds = %5
  %7 = call i32 (ptr, ...) @printf(ptr noundef @.str.1)
  %8 = call i32 (ptr, ...) @printf(ptr noundef @.str.2)
  %9 = call i32 (ptr, ...) @printf(ptr noundef @.str.3)
  %10 = call i32 (ptr, ...) @printf(ptr noundef @.str.4)
  %11 = call i32 (ptr, ...) @printf(ptr noundef @.str.5)
  %12 = call i32 (ptr, ...) @printf(ptr noundef @.str.6)
  %13 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef @.str.7, ptr noundef %4)
  %14 = load i32, ptr %4, align 4, !tbaa !9
  switch i32 %14, label %52 [
    i32 1, label %15
    i32 2, label %29
    i32 3, label %35
    i32 4, label %42
    i32 5, label %51
  ]

15:                                               ; preds = %6
  br label %16

16:                                               ; preds = %27, %15
  br label %17

17:                                               ; preds = %16
  %18 = call i32 (ptr, ...) @printf(ptr noundef @.str.8)
  %19 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef @.str.7, ptr noundef %3)
  %20 = load i32, ptr %3, align 4, !tbaa !9
  %21 = icmp eq i32 %20, -1
  br i1 %21, label %22, label %23

22:                                               ; preds = %17
  br label %28

23:                                               ; preds = %17
  %24 = load ptr, ptr %2, align 8, !tbaa !5
  %25 = load i32, ptr %3, align 4, !tbaa !9
  %26 = call ptr @AVLinsertion(ptr noundef %24, i32 noundef %25)
  store ptr %26, ptr %2, align 8, !tbaa !5
  br label %27

27:                                               ; preds = %23
  br label %16

28:                                               ; preds = %22
  br label %54

29:                                               ; preds = %6
  %30 = call i32 (ptr, ...) @printf(ptr noundef @.str.9)
  %31 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef @.str.7, ptr noundef %3)
  %32 = load ptr, ptr %2, align 8, !tbaa !5
  %33 = load i32, ptr %3, align 4, !tbaa !9
  %34 = call ptr @deleteelement(ptr noundef %32, i32 noundef %33)
  br label %54

35:                                               ; preds = %6
  %36 = call i32 (ptr, ...) @printf(ptr noundef @.str.10)
  %37 = load ptr, ptr %2, align 8, !tbaa !5
  call void @preorder(ptr noundef %37)
  %38 = call i32 (ptr, ...) @printf(ptr noundef @.str.11)
  %39 = load ptr, ptr %2, align 8, !tbaa !5
  call void @inorder(ptr noundef %39)
  %40 = call i32 (ptr, ...) @printf(ptr noundef @.str.12)
  %41 = load ptr, ptr %2, align 8, !tbaa !5
  call void @postorder(ptr noundef %41)
  br label %54

42:                                               ; preds = %6
  %43 = load ptr, ptr %2, align 8, !tbaa !5
  %44 = call i32 @checkAVL(ptr noundef %43)
  %45 = icmp eq i32 %44, 1
  br i1 %45, label %46, label %48

46:                                               ; preds = %42
  %47 = call i32 (ptr, ...) @printf(ptr noundef @.str.13)
  br label %50

48:                                               ; preds = %42
  %49 = call i32 (ptr, ...) @printf(ptr noundef @.str.14)
  br label %50

50:                                               ; preds = %48, %46
  br label %54

51:                                               ; preds = %6
  call void @exit(i32 noundef 0) #5
  unreachable

52:                                               ; preds = %6
  %53 = call i32 (ptr, ...) @printf(ptr noundef @.str.15)
  br label %54

54:                                               ; preds = %52, %50, %35, %29, %28
  br label %5
}

declare i32 @__isoc99_scanf(ptr noundef, ...) #1

; Function Attrs: noreturn nounwind
declare void @exit(i32 noundef) #3

attributes #0 = { 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 = { "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 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #3 = { noreturn 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 }
attributes #5 = { noreturn 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 = !{!"any pointer", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C/C++ TBAA"}
!9 = !{!10, !10, i64 0}
!10 = !{!"int", !7, i64 0}


; 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.1 = external hidden unnamed_addr constant [14 x i8], align 1
@.str.2 = external hidden unnamed_addr constant [13 x i8], align 1
@.str.3 = external hidden unnamed_addr constant [14 x i8], align 1
@.str.4 = external hidden unnamed_addr constant [18 x i8], align 1
@.str.5 = external hidden unnamed_addr constant [9 x i8], align 1
@.str.6 = external hidden unnamed_addr constant [17 x i8], align 1
@.str.7 = external hidden unnamed_addr constant [3 x i8], align 1
@.str.8 = external hidden unnamed_addr constant [30 x i8], align 1
@.str.9 = external hidden unnamed_addr constant [32 x i8], align 1
@.str.10 = external hidden unnamed_addr constant [46 x i8], align 1
@.str.11 = external hidden unnamed_addr constant [45 x i8], align 1
@.str.12 = external hidden unnamed_addr constant [47 x i8], align 1
@.str.13 = external hidden unnamed_addr constant [13 x i8], align 1
@.str.14 = external hidden unnamed_addr constant [17 x i8], align 1
@.str.15 = external hidden unnamed_addr constant [17 x i8], align 1

; Function Attrs: nounwind uwtable
declare dso_local void @inorder(ptr noundef) local_unnamed_addr #0

; Function Attrs: nofree nounwind
declare noundef i32 @printf(ptr nocapture noundef readonly, ...) local_unnamed_addr #1

; Function Attrs: nounwind uwtable
declare dso_local void @preorder(ptr noundef) local_unnamed_addr #0

; Function Attrs: nounwind uwtable
declare dso_local void @postorder(ptr 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) #2

; Function Attrs: nounwind uwtable
declare dso_local ptr @AVLinsertion(ptr noundef, i32 noundef) local_unnamed_addr #0

; Function Attrs: nounwind uwtable
declare dso_local ptr @deleteelement(ptr noundef, i32 noundef) local_unnamed_addr #0

; Function Attrs: nounwind uwtable
declare dso_local i32 @checkAVL(ptr noundef) local_unnamed_addr #0

; Function Attrs: noreturn nounwind uwtable
define dso_local noundef i32 @main() local_unnamed_addr #3 {
  %1 = alloca i32, align 4
  %2 = alloca i32, align 4
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %1) #5
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %2) #5
  br label %.loopexit.outer

.loopexit.outer:                                  ; preds = %.lr.ph, %0
  %.0.ph = phi ptr [ null, %0 ], [ %16, %.lr.ph ]
  br label %.loopexit

.loopexit:                                        ; preds = %.loopexit.backedge, %.loopexit.outer
  %3 = call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(1) @.str.1)
  %4 = call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(1) @.str.2)
  %5 = call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(1) @.str.3)
  %6 = call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(1) @.str.4)
  %7 = call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(1) @.str.5)
  %8 = call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(1) @.str.6)
  %9 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef nonnull @.str.7, ptr noundef nonnull %2)
  %10 = load i32, ptr %2, align 4, !tbaa !5
  switch i32 %10, label %38 [
    i32 1, label %.preheader
    i32 2, label %21
    i32 3, label %26
    i32 4, label %30
    i32 5, label %37
  ]

.preheader:                                       ; preds = %.loopexit
  %11 = call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(1) @.str.8)
  %12 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef nonnull @.str.7, ptr noundef nonnull %1)
  %13 = load i32, ptr %1, align 4, !tbaa !5
  %14 = icmp eq i32 %13, -1
  br i1 %14, label %.loopexit.backedge, label %.lr.ph

.loopexit.backedge:                               ; preds = %.preheader, %33, %35, %38, %26, %21
  br label %.loopexit

.lr.ph:                                           ; preds = %.preheader, %.lr.ph
  %15 = phi i32 [ %19, %.lr.ph ], [ %13, %.preheader ]
  %.17 = phi ptr [ %16, %.lr.ph ], [ %.0.ph, %.preheader ]
  %16 = call ptr @AVLinsertion(ptr noundef %.17, i32 noundef %15)
  %17 = call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(1) @.str.8)
  %18 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef nonnull @.str.7, ptr noundef nonnull %1)
  %19 = load i32, ptr %1, align 4, !tbaa !5
  %20 = icmp eq i32 %19, -1
  br i1 %20, label %.loopexit.outer, label %.lr.ph

21:                                               ; preds = %.loopexit
  %22 = call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(1) @.str.9)
  %23 = call i32 (ptr, ...) @__isoc99_scanf(ptr noundef nonnull @.str.7, ptr noundef nonnull %1)
  %24 = load i32, ptr %1, align 4, !tbaa !5
  %25 = call ptr @deleteelement(ptr noundef %.0.ph, i32 noundef %24)
  br label %.loopexit.backedge

26:                                               ; preds = %.loopexit
  %27 = call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(1) @.str.10)
  call void @preorder(ptr noundef %.0.ph)
  %28 = call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(1) @.str.11)
  call void @inorder(ptr noundef %.0.ph)
  %29 = call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(1) @.str.12)
  call void @postorder(ptr noundef %.0.ph)
  br label %.loopexit.backedge

30:                                               ; preds = %.loopexit
  %31 = call i32 @checkAVL(ptr noundef %.0.ph)
  %32 = icmp eq i32 %31, 1
  br i1 %32, label %33, label %35

33:                                               ; preds = %30
  %34 = call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(1) @.str.13)
  br label %.loopexit.backedge

35:                                               ; preds = %30
  %36 = call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(1) @.str.14)
  br label %.loopexit.backedge

37:                                               ; preds = %.loopexit
  call void @exit(i32 noundef 0) #6
  unreachable

38:                                               ; preds = %.loopexit
  %39 = call i32 (ptr, ...) @printf(ptr noundef nonnull dereferenceable(1) @.str.15)
  br label %.loopexit.backedge
}

; Function Attrs: nofree nounwind
declare noundef i32 @__isoc99_scanf(ptr nocapture noundef readonly, ...) local_unnamed_addr #1

; Function Attrs: noreturn nounwind
declare void @exit(i32 noundef) local_unnamed_addr #4

attributes #0 = { 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 = { 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 #2 = { mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #3 = { noreturn 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 #4 = { noreturn 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 #5 = { nounwind }
attributes #6 = { noreturn 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/C++ TBAA"}


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