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

; 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, ptr, i32, i32 }

; Function Attrs: nounwind uwtable
define dso_local void @createTree(ptr noundef %0, ptr noundef %1, ptr noundef %2, ptr noundef %3) #0 {
  %5 = alloca ptr, align 8
  %6 = alloca ptr, align 8
  %7 = alloca ptr, align 8
  %8 = alloca ptr, align 8
  %9 = alloca i8, align 1
  store ptr %0, ptr %5, align 8, !tbaa !5
  store ptr %1, ptr %6, align 8, !tbaa !5
  store ptr %2, ptr %7, align 8, !tbaa !5
  store ptr %3, ptr %8, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 1, ptr %9) #3
  %10 = load ptr, ptr %6, align 8, !tbaa !5
  %11 = load ptr, ptr %7, align 8, !tbaa !5
  %12 = load i32, ptr %11, align 4, !tbaa !9
  %13 = sext i32 %12 to i64
  %14 = getelementptr inbounds i8, ptr %10, i64 %13
  %15 = load i8, ptr %14, align 1, !tbaa !11
  store i8 %15, ptr %9, align 1, !tbaa !11
  %16 = load ptr, ptr %7, align 8, !tbaa !5
  %17 = load i32, ptr %16, align 4, !tbaa !9
  %18 = add nsw i32 %17, 1
  store i32 %18, ptr %16, align 4, !tbaa !9
  %19 = load i8, ptr %9, align 1, !tbaa !11
  %20 = sext i8 %19 to i32
  %21 = icmp eq i32 %20, 35
  br i1 %21, label %22, label %24

22:                                               ; preds = %4
  %23 = load ptr, ptr %5, align 8, !tbaa !5
  store ptr null, ptr %23, align 8, !tbaa !5
  br label %55

24:                                               ; preds = %4
  %25 = call noalias ptr @malloc(i64 noundef 40) #4
  %26 = load ptr, ptr %5, align 8, !tbaa !5
  store ptr %25, ptr %26, align 8, !tbaa !5
  %27 = load i8, ptr %9, align 1, !tbaa !11
  %28 = load ptr, ptr %5, align 8, !tbaa !5
  %29 = load ptr, ptr %28, align 8, !tbaa !5
  %30 = getelementptr inbounds %struct.TreeNode, ptr %29, i32 0, i32 0
  store i8 %27, ptr %30, align 8, !tbaa !12
  %31 = load ptr, ptr %5, align 8, !tbaa !5
  %32 = load ptr, ptr %31, align 8, !tbaa !5
  %33 = getelementptr inbounds %struct.TreeNode, ptr %32, i32 0, i32 4
  store i32 0, ptr %33, align 8, !tbaa !14
  %34 = load ptr, ptr %5, align 8, !tbaa !5
  %35 = load ptr, ptr %34, align 8, !tbaa !5
  %36 = getelementptr inbounds %struct.TreeNode, ptr %35, i32 0, i32 5
  store i32 0, ptr %36, align 4, !tbaa !15
  %37 = load ptr, ptr %8, align 8, !tbaa !5
  %38 = load ptr, ptr %5, align 8, !tbaa !5
  %39 = load ptr, ptr %38, align 8, !tbaa !5
  %40 = getelementptr inbounds %struct.TreeNode, ptr %39, i32 0, i32 3
  store ptr %37, ptr %40, align 8, !tbaa !16
  %41 = load ptr, ptr %5, align 8, !tbaa !5
  %42 = load ptr, ptr %41, align 8, !tbaa !5
  %43 = getelementptr inbounds %struct.TreeNode, ptr %42, i32 0, i32 1
  %44 = load ptr, ptr %6, align 8, !tbaa !5
  %45 = load ptr, ptr %7, align 8, !tbaa !5
  %46 = load ptr, ptr %5, align 8, !tbaa !5
  %47 = load ptr, ptr %46, align 8, !tbaa !5
  call void @createTree(ptr noundef %43, ptr noundef %44, ptr noundef %45, ptr noundef %47)
  %48 = load ptr, ptr %5, align 8, !tbaa !5
  %49 = load ptr, ptr %48, align 8, !tbaa !5
  %50 = getelementptr inbounds %struct.TreeNode, ptr %49, i32 0, i32 2
  %51 = load ptr, ptr %6, align 8, !tbaa !5
  %52 = load ptr, ptr %7, align 8, !tbaa !5
  %53 = load ptr, ptr %5, align 8, !tbaa !5
  %54 = load ptr, ptr %53, align 8, !tbaa !5
  call void @createTree(ptr noundef %50, ptr noundef %51, ptr noundef %52, ptr noundef %54)
  br label %55

55:                                               ; preds = %24, %22
  call void @llvm.lifetime.end.p0(i64 1, ptr %9) #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, !6, i64 24, !10, i64 32, !10, i64 36}
!14 = !{!13, !10, i64 32}
!15 = !{!13, !10, i64 36}
!16 = !{!13, !6, i64 24}


; 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, ptr noundef %3) local_unnamed_addr #0 {
  %5 = load i32, ptr %2, align 4, !tbaa !5
  %6 = sext i32 %5 to i64
  %7 = getelementptr inbounds i8, ptr %1, i64 %6
  %8 = load i8, ptr %7, align 1, !tbaa !9
  %9 = add nsw i32 %5, 1
  store i32 %9, ptr %2, align 4, !tbaa !5
  %10 = icmp eq i8 %8, 35
  br i1 %10, label %tailrecurse._crit_edge, label %tailrecurse

tailrecurse._crit_edge:                           ; preds = %tailrecurse, %4
  %.tr.lcssa = phi ptr [ %0, %4 ], [ %18, %tailrecurse ]
  store ptr null, ptr %.tr.lcssa, align 8, !tbaa !10
  ret void

tailrecurse:                                      ; preds = %4, %tailrecurse
  %11 = phi i8 [ %22, %tailrecurse ], [ %8, %4 ]
  %.tr2123 = phi ptr [ %17, %tailrecurse ], [ %3, %4 ]
  %.tr22 = phi ptr [ %18, %tailrecurse ], [ %0, %4 ]
  %12 = tail call noalias dereferenceable_or_null(40) ptr @malloc(i64 noundef 40) #2
  store ptr %12, ptr %.tr22, align 8, !tbaa !10
  store i8 %11, ptr %12, align 8, !tbaa !12
  %13 = getelementptr inbounds i8, ptr %12, i64 32
  store i32 0, ptr %13, align 8, !tbaa !14
  %14 = getelementptr inbounds i8, ptr %12, i64 36
  store i32 0, ptr %14, align 4, !tbaa !15
  %15 = getelementptr inbounds i8, ptr %12, i64 24
  store ptr %.tr2123, ptr %15, align 8, !tbaa !16
  %16 = getelementptr inbounds i8, ptr %12, i64 8
  tail call void @createTree(ptr noundef nonnull %16, ptr noundef nonnull %1, ptr noundef nonnull %2, ptr noundef nonnull %12)
  %17 = load ptr, ptr %.tr22, align 8, !tbaa !10
  %18 = getelementptr inbounds i8, ptr %17, i64 16
  %19 = load i32, ptr %2, align 4, !tbaa !5
  %20 = sext i32 %19 to i64
  %21 = getelementptr inbounds i8, ptr %1, i64 %20
  %22 = load i8, ptr %21, align 1, !tbaa !9
  %23 = add nsw i32 %19, 1
  store i32 %23, ptr %2, align 4, !tbaa !5
  %24 = icmp eq i8 %22, 35
  br i1 %24, 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, !11, i64 24, !6, i64 32, !6, i64 36}
!14 = !{!13, !6, i64 32}
!15 = !{!13, !6, i64 36}
!16 = !{!13, !11, i64 24}


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