; LLVM IR from AlgoGenesis/C :: splay Tree (program)

; 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.Node = type { i32, ptr, ptr }

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #0

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #0

; Function Attrs: nounwind uwtable
declare dso_local ptr @splay(ptr noundef, i32 noundef) #1

; Function Attrs: nounwind uwtable
define dso_local ptr @deleteNode(ptr noundef %0, i32 noundef %1) #1 {
  %3 = alloca ptr, align 8
  %4 = alloca ptr, align 8
  %5 = alloca i32, align 4
  %6 = alloca ptr, align 8
  %7 = alloca i32, align 4
  store ptr %0, ptr %4, align 8, !tbaa !5
  store i32 %1, ptr %5, align 4, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 8, ptr %6) #3
  %8 = load ptr, ptr %4, align 8, !tbaa !5
  %9 = icmp eq ptr %8, null
  br i1 %9, label %10, label %11

10:                                               ; preds = %2
  store ptr null, ptr %3, align 8
  store i32 1, ptr %7, align 4
  br label %47

11:                                               ; preds = %2
  %12 = load ptr, ptr %4, align 8, !tbaa !5
  %13 = load i32, ptr %5, align 4, !tbaa !9
  %14 = call ptr @splay(ptr noundef %12, i32 noundef %13)
  store ptr %14, ptr %4, align 8, !tbaa !5
  %15 = load i32, ptr %5, align 4, !tbaa !9
  %16 = load ptr, ptr %4, align 8, !tbaa !5
  %17 = getelementptr inbounds %struct.Node, ptr %16, i32 0, i32 0
  %18 = load i32, ptr %17, align 8, !tbaa !11
  %19 = icmp ne i32 %15, %18
  br i1 %19, label %20, label %22

20:                                               ; preds = %11
  %21 = load ptr, ptr %4, align 8, !tbaa !5
  store ptr %21, ptr %3, align 8
  store i32 1, ptr %7, align 4
  br label %47

22:                                               ; preds = %11
  %23 = load ptr, ptr %4, align 8, !tbaa !5
  %24 = getelementptr inbounds %struct.Node, ptr %23, i32 0, i32 1
  %25 = load ptr, ptr %24, align 8, !tbaa !13
  %26 = icmp eq ptr %25, null
  br i1 %26, label %27, label %32

27:                                               ; preds = %22
  %28 = load ptr, ptr %4, align 8, !tbaa !5
  store ptr %28, ptr %6, align 8, !tbaa !5
  %29 = load ptr, ptr %4, align 8, !tbaa !5
  %30 = getelementptr inbounds %struct.Node, ptr %29, i32 0, i32 2
  %31 = load ptr, ptr %30, align 8, !tbaa !14
  store ptr %31, ptr %4, align 8, !tbaa !5
  br label %44

32:                                               ; preds = %22
  %33 = load ptr, ptr %4, align 8, !tbaa !5
  store ptr %33, ptr %6, align 8, !tbaa !5
  %34 = load ptr, ptr %4, align 8, !tbaa !5
  %35 = getelementptr inbounds %struct.Node, ptr %34, i32 0, i32 1
  %36 = load ptr, ptr %35, align 8, !tbaa !13
  %37 = load i32, ptr %5, align 4, !tbaa !9
  %38 = call ptr @splay(ptr noundef %36, i32 noundef %37)
  store ptr %38, ptr %4, align 8, !tbaa !5
  %39 = load ptr, ptr %6, align 8, !tbaa !5
  %40 = getelementptr inbounds %struct.Node, ptr %39, i32 0, i32 2
  %41 = load ptr, ptr %40, align 8, !tbaa !14
  %42 = load ptr, ptr %4, align 8, !tbaa !5
  %43 = getelementptr inbounds %struct.Node, ptr %42, i32 0, i32 2
  store ptr %41, ptr %43, align 8, !tbaa !14
  br label %44

44:                                               ; preds = %32, %27
  %45 = load ptr, ptr %6, align 8, !tbaa !5
  call void @free(ptr noundef %45) #3
  %46 = load ptr, ptr %4, align 8, !tbaa !5
  store ptr %46, ptr %3, align 8
  store i32 1, ptr %7, align 4
  br label %47

47:                                               ; preds = %44, %20, %10
  call void @llvm.lifetime.end.p0(i64 8, ptr %6) #3
  %48 = load ptr, ptr %3, align 8
  ret ptr %48
}

; Function Attrs: nounwind
declare void @free(ptr noundef) #2

attributes #0 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { 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 = { 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 = { 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}
!11 = !{!12, !10, i64 0}
!12 = !{!"Node", !10, i64 0, !6, i64 8, !6, i64 16}
!13 = !{!12, !6, i64 8}
!14 = !{!12, !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"

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

; Function Attrs: nounwind uwtable
define dso_local ptr @deleteNode(ptr noundef %0, i32 noundef %1) local_unnamed_addr #0 {
  %3 = icmp eq ptr %0, null
  br i1 %3, label %20, label %4

4:                                                ; preds = %2
  %5 = tail call ptr @splay(ptr noundef nonnull %0, i32 noundef %1)
  %6 = load i32, ptr %5, align 8, !tbaa !5
  %.not = icmp eq i32 %6, %1
  br i1 %.not, label %7, label %20

7:                                                ; preds = %4
  %8 = getelementptr inbounds i8, ptr %5, i64 8
  %9 = load ptr, ptr %8, align 8, !tbaa !11
  %10 = icmp eq ptr %9, null
  br i1 %10, label %11, label %14

11:                                               ; preds = %7
  %12 = getelementptr inbounds i8, ptr %5, i64 16
  %13 = load ptr, ptr %12, align 8, !tbaa !12
  br label %19

14:                                               ; preds = %7
  %15 = tail call ptr @splay(ptr noundef nonnull %9, i32 noundef %1)
  %16 = getelementptr inbounds i8, ptr %5, i64 16
  %17 = load ptr, ptr %16, align 8, !tbaa !12
  %18 = getelementptr inbounds i8, ptr %15, i64 16
  store ptr %17, ptr %18, align 8, !tbaa !12
  br label %19

19:                                               ; preds = %14, %11
  %.017 = phi ptr [ %13, %11 ], [ %15, %14 ]
  tail call void @free(ptr noundef nonnull %5) #2
  br label %20

20:                                               ; preds = %4, %2, %19
  %.016 = phi ptr [ %.017, %19 ], [ null, %2 ], [ %5, %4 ]
  ret ptr %.016
}

; Function Attrs: mustprogress nounwind willreturn allockind("free") memory(argmem: readwrite, inaccessiblemem: readwrite)
declare void @free(ptr allocptr nocapture noundef) local_unnamed_addr #1

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 = { mustprogress nounwind willreturn allockind("free") memory(argmem: readwrite, inaccessiblemem: readwrite) "alloc-family"="malloc" "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 }

!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, !7, i64 0}
!6 = !{!"Node", !7, i64 0, !10, i64 8, !10, i64 16}
!7 = !{!"int", !8, i64 0}
!8 = !{!"omnipotent char", !9, i64 0}
!9 = !{!"Simple C/C++ TBAA"}
!10 = !{!"any pointer", !8, i64 0}
!11 = !{!6, !10, i64 8}
!12 = !{!6, !10, i64 16}


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