; LLVM IR from uecker/noplate :: src (rb3ptr)

; 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"

; 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 @rb3_find_parent_in_subtree(ptr noundef, i32 noundef, ptr noundef, ptr noundef, ptr noundef, ptr noundef) #1

; Function Attrs: nounwind uwtable
define dso_local ptr @rb3_insert(ptr noundef %0, ptr noundef %1, ptr noundef %2, ptr noundef %3) #1 {
  %5 = alloca ptr, align 8
  %6 = alloca ptr, align 8
  %7 = alloca ptr, align 8
  %8 = alloca ptr, align 8
  %9 = alloca ptr, align 8
  %10 = alloca ptr, align 8
  %11 = alloca ptr, align 8
  %12 = alloca i32, align 4
  %13 = alloca i32, align 4
  store ptr %0, ptr %6, align 8, !tbaa !5
  store ptr %1, ptr %7, align 8, !tbaa !5
  store ptr %2, ptr %8, align 8, !tbaa !5
  store ptr %3, ptr %9, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %10) #3
  call void @llvm.lifetime.start.p0(i64 8, ptr %11) #3
  call void @llvm.lifetime.start.p0(i64 4, ptr %12) #3
  %14 = load ptr, ptr %6, align 8, !tbaa !5
  %15 = call ptr @rb3_get_base(ptr noundef %14)
  store ptr %15, ptr %11, align 8, !tbaa !5
  store i32 0, ptr %12, align 4, !tbaa !9
  %16 = load ptr, ptr %11, align 8, !tbaa !5
  %17 = load i32, ptr %12, align 4, !tbaa !9
  %18 = load ptr, ptr %8, align 8, !tbaa !5
  %19 = load ptr, ptr %9, align 8, !tbaa !5
  %20 = call ptr @rb3_find_parent_in_subtree(ptr noundef %16, i32 noundef %17, ptr noundef %18, ptr noundef %19, ptr noundef %11, ptr noundef %12)
  store ptr %20, ptr %10, align 8, !tbaa !5
  %21 = load ptr, ptr %10, align 8, !tbaa !5
  %22 = icmp ne ptr %21, null
  br i1 %22, label %23, label %25

23:                                               ; preds = %4
  %24 = load ptr, ptr %10, align 8, !tbaa !5
  store ptr %24, ptr %5, align 8
  store i32 1, ptr %13, align 4
  br label %29

25:                                               ; preds = %4
  %26 = load ptr, ptr %7, align 8, !tbaa !5
  %27 = load ptr, ptr %11, align 8, !tbaa !5
  %28 = load i32, ptr %12, align 4, !tbaa !9
  call void @rb3_link_and_rebalance(ptr noundef %26, ptr noundef %27, i32 noundef %28)
  store ptr null, ptr %5, align 8
  store i32 1, ptr %13, align 4
  br label %29

29:                                               ; preds = %25, %23
  call void @llvm.lifetime.end.p0(i64 4, ptr %12) #3
  call void @llvm.lifetime.end.p0(i64 8, ptr %11) #3
  call void @llvm.lifetime.end.p0(i64 8, ptr %10) #3
  %30 = load ptr, ptr %5, align 8
  ret ptr %30
}

; Function Attrs: inlinehint nounwind uwtable
declare dso_local ptr @rb3_get_base(ptr noundef) #2

; Function Attrs: nounwind uwtable
declare dso_local void @rb3_link_and_rebalance(ptr noundef, ptr noundef, i32 noundef) #1

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 = { inlinehint 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 }

!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"

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

; Function Attrs: mustprogress 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 @rb3_find_parent_in_subtree(ptr noundef, i32 noundef, ptr noundef, ptr noundef, ptr noundef, ptr noundef) local_unnamed_addr #1

; Function Attrs: nounwind uwtable
define dso_local ptr @rb3_insert(ptr noundef %0, ptr noundef %1, ptr noundef %2, ptr noundef %3) local_unnamed_addr #1 {
  %5 = alloca ptr, align 8
  %6 = alloca i32, align 4
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %5) #3
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %6) #3
  %7 = tail call ptr @rb3_get_base(ptr noundef %0)
  store ptr %7, ptr %5, align 8, !tbaa !5
  store i32 0, ptr %6, align 4, !tbaa !9
  %8 = call ptr @rb3_find_parent_in_subtree(ptr noundef %7, i32 noundef 0, ptr noundef %2, ptr noundef %3, ptr noundef nonnull %5, ptr noundef nonnull %6)
  %.not = icmp eq ptr %8, null
  br i1 %.not, label %9, label %12

9:                                                ; preds = %4
  %10 = load ptr, ptr %5, align 8, !tbaa !5
  %11 = load i32, ptr %6, align 4, !tbaa !9
  call void @rb3_link_and_rebalance(ptr noundef %1, ptr noundef %10, i32 noundef %11)
  br label %12

12:                                               ; preds = %4, %9
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %6) #3
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %5) #3
  ret ptr %8
}

; Function Attrs: inlinehint nounwind uwtable
declare dso_local ptr @rb3_get_base(ptr noundef) local_unnamed_addr #2

; Function Attrs: nounwind uwtable
declare dso_local void @rb3_link_and_rebalance(ptr noundef, ptr noundef, i32 noundef) local_unnamed_addr #1

attributes #0 = { mustprogress 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 = { inlinehint 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 }

!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}


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