; LLVM IR from aryanmid123/c-sorting-algorithms :: test (tree_sort_test)

; 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: nounwind uwtable
declare dso_local ptr @create_node(i32 noundef) #0

; Function Attrs: nounwind uwtable
define dso_local ptr @insert_node(ptr noundef %0, i32 noundef %1) #0 {
  %3 = alloca ptr, align 8
  %4 = alloca i32, align 4
  store ptr %0, ptr %3, align 8, !tbaa !5
  store i32 %1, ptr %4, align 4, !tbaa !9
  %5 = load ptr, ptr %3, align 8, !tbaa !5
  %6 = icmp eq ptr %5, null
  br i1 %6, label %7, label %10

7:                                                ; preds = %2
  %8 = load i32, ptr %4, align 4, !tbaa !9
  %9 = call ptr @create_node(i32 noundef %8)
  store ptr %9, ptr %3, align 8, !tbaa !5
  br label %10

10:                                               ; preds = %7, %2
  %11 = load i32, ptr %4, align 4, !tbaa !9
  %12 = load ptr, ptr %3, align 8, !tbaa !5
  %13 = getelementptr inbounds %struct.node, ptr %12, i32 0, i32 0
  %14 = load i32, ptr %13, align 8, !tbaa !11
  %15 = icmp slt i32 %11, %14
  br i1 %15, label %16, label %24

16:                                               ; preds = %10
  %17 = load ptr, ptr %3, align 8, !tbaa !5
  %18 = getelementptr inbounds %struct.node, ptr %17, i32 0, i32 1
  %19 = load ptr, ptr %18, align 8, !tbaa !13
  %20 = load i32, ptr %4, align 4, !tbaa !9
  %21 = call ptr @insert_node(ptr noundef %19, i32 noundef %20)
  %22 = load ptr, ptr %3, align 8, !tbaa !5
  %23 = getelementptr inbounds %struct.node, ptr %22, i32 0, i32 1
  store ptr %21, ptr %23, align 8, !tbaa !13
  br label %24

24:                                               ; preds = %16, %10
  %25 = load i32, ptr %4, align 4, !tbaa !9
  %26 = load ptr, ptr %3, align 8, !tbaa !5
  %27 = getelementptr inbounds %struct.node, ptr %26, i32 0, i32 0
  %28 = load i32, ptr %27, align 8, !tbaa !11
  %29 = icmp sgt i32 %25, %28
  br i1 %29, label %30, label %38

30:                                               ; preds = %24
  %31 = load ptr, ptr %3, align 8, !tbaa !5
  %32 = getelementptr inbounds %struct.node, ptr %31, i32 0, i32 2
  %33 = load ptr, ptr %32, align 8, !tbaa !14
  %34 = load i32, ptr %4, align 4, !tbaa !9
  %35 = call ptr @insert_node(ptr noundef %33, i32 noundef %34)
  %36 = load ptr, ptr %3, align 8, !tbaa !5
  %37 = getelementptr inbounds %struct.node, ptr %36, i32 0, i32 2
  store ptr %35, ptr %37, align 8, !tbaa !14
  br label %38

38:                                               ; preds = %30, %24
  %39 = load ptr, ptr %3, align 8, !tbaa !5
  ret ptr %39
}

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" }

!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 @create_node(i32 noundef) local_unnamed_addr #0

; Function Attrs: nounwind uwtable
define dso_local noundef ptr @insert_node(ptr noundef %0, i32 noundef %1) local_unnamed_addr #0 {
  %3 = icmp eq ptr %0, null
  br i1 %3, label %4, label %6

4:                                                ; preds = %2
  %5 = tail call ptr @create_node(i32 noundef %1)
  br label %6

6:                                                ; preds = %4, %2
  %.0 = phi ptr [ %5, %4 ], [ %0, %2 ]
  %7 = load i32, ptr %.0, align 8, !tbaa !5
  %8 = icmp sgt i32 %7, %1
  br i1 %8, label %9, label %13

9:                                                ; preds = %6
  %10 = getelementptr inbounds i8, ptr %.0, i64 8
  %11 = load ptr, ptr %10, align 8, !tbaa !11
  %12 = tail call ptr @insert_node(ptr noundef %11, i32 noundef %1)
  store ptr %12, ptr %10, align 8, !tbaa !11
  %.pre = load i32, ptr %.0, align 8, !tbaa !5
  br label %13

13:                                               ; preds = %9, %6
  %14 = phi i32 [ %.pre, %9 ], [ %7, %6 ]
  %15 = icmp slt i32 %14, %1
  br i1 %15, label %16, label %common.ret14

common.ret14:                                     ; preds = %13, %16
  ret ptr %.0

16:                                               ; preds = %13
  %17 = getelementptr inbounds i8, ptr %.0, i64 16
  %18 = load ptr, ptr %17, align 8, !tbaa !12
  %19 = tail call ptr @insert_node(ptr noundef %18, i32 noundef %1)
  store ptr %19, ptr %17, align 8, !tbaa !12
  br label %common.ret14
}

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" }

!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: EarlyCSEPass,GVNPass,GlobalOptPass,InstCombinePass,PostOrderFunctionAttrsPass,SROAPass,SimplifyCFGPass,TailCallElimPass