; LLVM IR from TyrantLucifer/DataStructure :: Tree (BinaryTree)

; 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.TreeNode = type { i8, ptr, ptr }

; Function Attrs: nounwind uwtable
define dso_local void @createTree(ptr noundef %0, ptr noundef %1, ptr noundef %2) #0 {
  %4 = alloca ptr, align 8
  %5 = alloca ptr, align 8
  %6 = alloca ptr, align 8
  %7 = alloca i8, align 1
  store ptr %0, ptr %4, align 8, !tbaa !5
  store ptr %1, ptr %5, align 8, !tbaa !5
  store ptr %2, ptr %6, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 1, ptr %7) #3
  %8 = load ptr, ptr %5, align 8, !tbaa !5
  %9 = load ptr, ptr %6, align 8, !tbaa !5
  %10 = load i32, ptr %9, align 4, !tbaa !9
  %11 = sext i32 %10 to i64
  %12 = getelementptr inbounds i8, ptr %8, i64 %11
  %13 = load i8, ptr %12, align 1, !tbaa !11
  store i8 %13, ptr %7, align 1, !tbaa !11
  %14 = load ptr, ptr %6, align 8, !tbaa !5
  %15 = load i32, ptr %14, align 4, !tbaa !9
  %16 = add nsw i32 %15, 1
  store i32 %16, ptr %14, align 4, !tbaa !9
  %17 = load i8, ptr %7, align 1, !tbaa !11
  %18 = sext i8 %17 to i32
  %19 = icmp eq i32 %18, 35
  br i1 %19, label %20, label %22

20:                                               ; preds = %3
  %21 = load ptr, ptr %4, align 8, !tbaa !5
  store ptr null, ptr %21, align 8, !tbaa !5
  br label %39

22:                                               ; preds = %3
  %23 = call noalias ptr @malloc(i64 noundef 24) #4
  %24 = load ptr, ptr %4, align 8, !tbaa !5
  store ptr %23, ptr %24, align 8, !tbaa !5
  %25 = load i8, ptr %7, align 1, !tbaa !11
  %26 = load ptr, ptr %4, align 8, !tbaa !5
  %27 = load ptr, ptr %26, align 8, !tbaa !5
  %28 = getelementptr inbounds %struct.TreeNode, ptr %27, i32 0, i32 0
  store i8 %25, ptr %28, align 8, !tbaa !12
  %29 = load ptr, ptr %4, align 8, !tbaa !5
  %30 = load ptr, ptr %29, align 8, !tbaa !5
  %31 = getelementptr inbounds %struct.TreeNode, ptr %30, i32 0, i32 1
  %32 = load ptr, ptr %5, align 8, !tbaa !5
  %33 = load ptr, ptr %6, align 8, !tbaa !5
  call void @createTree(ptr noundef %31, ptr noundef %32, ptr noundef %33)
  %34 = load ptr, ptr %4, align 8, !tbaa !5
  %35 = load ptr, ptr %34, align 8, !tbaa !5
  %36 = getelementptr inbounds %struct.TreeNode, ptr %35, i32 0, i32 2
  %37 = load ptr, ptr %5, align 8, !tbaa !5
  %38 = load ptr, ptr %6, align 8, !tbaa !5
  call void @createTree(ptr noundef %36, ptr noundef %37, ptr noundef %38)
  br label %39

39:                                               ; preds = %22, %20
  call void @llvm.lifetime.end.p0(i64 1, ptr %7) #3
  ret void
}

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #1

; Function Attrs: nounwind allocsize(0)
declare noalias ptr @malloc(i64 noundef) #2

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #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 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #2 = { nounwind allocsize(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 = { nounwind allocsize(0) }

!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 = !{!7, !7, i64 0}
!12 = !{!13, !7, i64 0}
!13 = !{!"TreeNode", !7, 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"

; Function Attrs: nofree nounwind uwtable
define dso_local void @createTree(ptr nocapture noundef %0, ptr nocapture noundef readonly %1, ptr nocapture noundef %2) local_unnamed_addr #0 {
  %4 = load i32, ptr %2, align 4, !tbaa !5
  %5 = sext i32 %4 to i64
  %6 = getelementptr inbounds i8, ptr %1, i64 %5
  %7 = load i8, ptr %6, align 1, !tbaa !9
  %8 = add nsw i32 %4, 1
  store i32 %8, ptr %2, align 4, !tbaa !5
  %9 = icmp eq i8 %7, 35
  br i1 %9, label %tailrecurse._crit_edge, label %tailrecurse

tailrecurse._crit_edge:                           ; preds = %tailrecurse, %3
  %.tr.lcssa = phi ptr [ %0, %3 ], [ %14, %tailrecurse ]
  store ptr null, ptr %.tr.lcssa, align 8, !tbaa !10
  ret void

tailrecurse:                                      ; preds = %3, %tailrecurse
  %10 = phi i8 [ %18, %tailrecurse ], [ %7, %3 ]
  %.tr15 = phi ptr [ %14, %tailrecurse ], [ %0, %3 ]
  %11 = tail call noalias dereferenceable_or_null(24) ptr @malloc(i64 noundef 24) #2
  store ptr %11, ptr %.tr15, align 8, !tbaa !10
  store i8 %10, ptr %11, align 8, !tbaa !12
  %12 = getelementptr inbounds i8, ptr %11, i64 8
  tail call void @createTree(ptr noundef nonnull %12, ptr noundef nonnull %1, ptr noundef nonnull %2)
  %13 = load ptr, ptr %.tr15, align 8, !tbaa !10
  %14 = getelementptr inbounds i8, ptr %13, i64 16
  %15 = load i32, ptr %2, align 4, !tbaa !5
  %16 = sext i32 %15 to i64
  %17 = getelementptr inbounds i8, ptr %1, i64 %16
  %18 = load i8, ptr %17, align 1, !tbaa !9
  %19 = add nsw i32 %15, 1
  store i32 %19, ptr %2, align 4, !tbaa !5
  %20 = icmp eq i8 %18, 35
  br i1 %20, label %tailrecurse._crit_edge, label %tailrecurse
}

; Function Attrs: mustprogress nofree nounwind willreturn allockind("alloc,uninitialized") allocsize(0) memory(inaccessiblemem: readwrite)
declare noalias noundef ptr @malloc(i64 noundef) local_unnamed_addr #1

attributes #0 = { nofree 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 nofree nounwind willreturn allockind("alloc,uninitialized") allocsize(0) memory(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 allocsize(0) }

!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"}
!9 = !{!7, !7, i64 0}
!10 = !{!11, !11, i64 0}
!11 = !{!"any pointer", !7, i64 0}
!12 = !{!13, !7, i64 0}
!13 = !{!"TreeNode", !7, i64 0, !11, i64 8, !11, i64 16}


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