; LLVM IR from MostafaTwfiq/C-DataStructures-And-Algorithms :: DataStructure/Trees/Sources (SplayTree)

; 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"

%struct.SplayTree = type { ptr, i32, ptr, ptr }
%struct.SplayNode = type { ptr, ptr, ptr }

@stderr = external global ptr, align 8
@.str.2 = external hidden unnamed_addr constant [26 x i8], align 1
@.str.3 = external hidden unnamed_addr constant [42 x i8], align 1
@.str.6 = external hidden unnamed_addr constant [5 x i8], align 1
@.str.7 = external hidden unnamed_addr constant [31 x i8], align 1
@.str.8 = external hidden unnamed_addr constant [13 x i8], align 1

; Function Attrs: nounwind
declare i32 @fprintf(ptr noundef, ptr noundef, ...) #0

; Function Attrs: noreturn nounwind
declare void @exit(i32 noundef) #1

; Function Attrs: nounwind uwtable
declare dso_local ptr @splayNode(ptr noundef, ptr noundef, ptr noundef, ptr noundef) #2

; Function Attrs: nounwind uwtable
define dso_local i32 @splayTreeContains(ptr noundef %0, ptr noundef %1) #2 {
  %3 = alloca i32, align 4
  %4 = alloca ptr, align 8
  %5 = alloca ptr, align 8
  store ptr %0, ptr %4, align 8, !tbaa !5
  store ptr %1, ptr %5, align 8, !tbaa !5
  %6 = load ptr, ptr %4, align 8, !tbaa !5
  %7 = icmp eq ptr %6, null
  br i1 %7, label %8, label %11

8:                                                ; preds = %2
  %9 = load ptr, ptr @stderr, align 8, !tbaa !5
  %10 = call i32 (ptr, ptr, ...) @fprintf(ptr noundef %9, ptr noundef @.str.7, ptr noundef @.str.6, ptr noundef @.str.2) #3
  call void @exit(i32 noundef -83386157) #4
  unreachable

11:                                               ; preds = %2
  %12 = load ptr, ptr %5, align 8, !tbaa !5
  %13 = icmp eq ptr %12, null
  br i1 %13, label %14, label %17

14:                                               ; preds = %11
  %15 = load ptr, ptr @stderr, align 8, !tbaa !5
  %16 = call i32 (ptr, ptr, ...) @fprintf(ptr noundef %15, ptr noundef @.str.3, ptr noundef @.str.8, ptr noundef @.str.2) #3
  call void @exit(i32 noundef -83384987) #4
  unreachable

17:                                               ; preds = %11
  br label %18

18:                                               ; preds = %17
  %19 = load ptr, ptr %4, align 8, !tbaa !5
  %20 = load ptr, ptr %4, align 8, !tbaa !5
  %21 = getelementptr inbounds %struct.SplayTree, ptr %20, i32 0, i32 0
  %22 = load ptr, ptr %21, align 8, !tbaa !9
  %23 = load ptr, ptr %5, align 8, !tbaa !5
  %24 = call ptr @splayNode(ptr noundef %19, ptr noundef null, ptr noundef %22, ptr noundef %23)
  %25 = load ptr, ptr %4, align 8, !tbaa !5
  %26 = getelementptr inbounds %struct.SplayTree, ptr %25, i32 0, i32 0
  store ptr %24, ptr %26, align 8, !tbaa !9
  %27 = load ptr, ptr %4, align 8, !tbaa !5
  %28 = getelementptr inbounds %struct.SplayTree, ptr %27, i32 0, i32 0
  %29 = load ptr, ptr %28, align 8, !tbaa !9
  %30 = icmp eq ptr %29, null
  br i1 %30, label %31, label %32

31:                                               ; preds = %18
  store i32 0, ptr %3, align 4
  br label %46

32:                                               ; preds = %18
  %33 = load ptr, ptr %4, align 8, !tbaa !5
  %34 = getelementptr inbounds %struct.SplayTree, ptr %33, i32 0, i32 3
  %35 = load ptr, ptr %34, align 8, !tbaa !12
  %36 = load ptr, ptr %5, align 8, !tbaa !5
  %37 = load ptr, ptr %4, align 8, !tbaa !5
  %38 = getelementptr inbounds %struct.SplayTree, ptr %37, i32 0, i32 0
  %39 = load ptr, ptr %38, align 8, !tbaa !9
  %40 = getelementptr inbounds %struct.SplayNode, ptr %39, i32 0, i32 0
  %41 = load ptr, ptr %40, align 8, !tbaa !13
  %42 = call i32 %35(ptr noundef %36, ptr noundef %41)
  %43 = icmp eq i32 %42, 0
  %44 = zext i1 %43 to i64
  %45 = select i1 %43, i32 1, i32 0
  store i32 %45, ptr %3, align 4
  br label %46

46:                                               ; preds = %32, %31
  %47 = load i32, ptr %3, align 4
  ret i32 %47
}

attributes #0 = { 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 #1 = { 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 #2 = { 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 #3 = { nounwind }
attributes #4 = { 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, !6, i64 0}
!10 = !{!"SplayTree", !6, i64 0, !11, i64 8, !6, i64 16, !6, i64 24}
!11 = !{!"int", !7, i64 0}
!12 = !{!10, !6, i64 24}
!13 = !{!14, !6, i64 0}
!14 = !{!"SplayNode", !6, i64 0, !6, i64 8, !6, i64 16}


; 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"

@stderr = external local_unnamed_addr global ptr, align 8
@.str.2 = external hidden unnamed_addr constant [26 x i8], align 1
@.str.3 = external hidden unnamed_addr constant [42 x i8], align 1
@.str.6 = external hidden unnamed_addr constant [5 x i8], align 1
@.str.7 = external hidden unnamed_addr constant [31 x i8], align 1
@.str.8 = external hidden unnamed_addr constant [13 x i8], align 1

; Function Attrs: nofree nounwind
declare noundef i32 @fprintf(ptr nocapture noundef, ptr nocapture noundef readonly, ...) local_unnamed_addr #0

; Function Attrs: noreturn nounwind
declare void @exit(i32 noundef) local_unnamed_addr #1

; Function Attrs: nounwind uwtable
declare dso_local ptr @splayNode(ptr noundef, ptr noundef, ptr noundef, ptr noundef) local_unnamed_addr #2

; Function Attrs: nounwind uwtable
define dso_local range(i32 0, 2) i32 @splayTreeContains(ptr noundef %0, ptr noundef %1) local_unnamed_addr #2 {
  %3 = icmp eq ptr %0, null
  br i1 %3, label %4, label %7

4:                                                ; preds = %2
  %5 = load ptr, ptr @stderr, align 8, !tbaa !5
  %6 = tail call i32 (ptr, ptr, ...) @fprintf(ptr noundef %5, ptr noundef nonnull @.str.7, ptr noundef nonnull @.str.6, ptr noundef nonnull @.str.2) #3
  tail call void @exit(i32 noundef -83386157) #4
  unreachable

7:                                                ; preds = %2
  %8 = icmp eq ptr %1, null
  br i1 %8, label %9, label %12

9:                                                ; preds = %7
  %10 = load ptr, ptr @stderr, align 8, !tbaa !5
  %11 = tail call i32 (ptr, ptr, ...) @fprintf(ptr noundef %10, ptr noundef nonnull @.str.3, ptr noundef nonnull @.str.8, ptr noundef nonnull @.str.2) #3
  tail call void @exit(i32 noundef -83384987) #4
  unreachable

12:                                               ; preds = %7
  %13 = load ptr, ptr %0, align 8, !tbaa !9
  %14 = tail call ptr @splayNode(ptr noundef nonnull %0, ptr noundef null, ptr noundef %13, ptr noundef nonnull %1)
  store ptr %14, ptr %0, align 8, !tbaa !9
  %15 = icmp eq ptr %14, null
  br i1 %15, label %23, label %16

16:                                               ; preds = %12
  %17 = getelementptr inbounds i8, ptr %0, i64 24
  %18 = load ptr, ptr %17, align 8, !tbaa !12
  %19 = load ptr, ptr %14, align 8, !tbaa !13
  %20 = tail call i32 %18(ptr noundef nonnull %1, ptr noundef %19) #5
  %21 = icmp eq i32 %20, 0
  %22 = zext i1 %21 to i32
  br label %23

23:                                               ; preds = %12, %16
  %.0 = phi i32 [ %22, %16 ], [ 0, %12 ]
  ret i32 %.0
}

attributes #0 = { 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 #1 = { 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 #2 = { 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 #3 = { cold nounwind }
attributes #4 = { noreturn nounwind }
attributes #5 = { 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, !6, i64 0}
!10 = !{!"SplayTree", !6, i64 0, !11, i64 8, !6, i64 16, !6, i64 24}
!11 = !{!"int", !7, i64 0}
!12 = !{!10, !6, i64 24}
!13 = !{!14, !6, i64 0}
!14 = !{!"SplayNode", !6, i64 0, !6, i64 8, !6, i64 16}


; Effective O3 passes: EarlyCSEPass,GlobalOptPass,IPSCCPPass,InferFunctionAttrsPass,InstCombinePass,SROAPass,SimplifyCFGPass,TailCallElimPass