; LLVM IR from jingweizhanghuai/Morn :: src/util (morn_tree)

; 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.HandleTreeCreate = type { ptr, i32, i32, ptr }
%struct.TreeNode = type { ptr, ptr, ptr, i32, i16, i16, ptr }

; Function Attrs: nounwind uwtable
define dso_local void @endTreeCreate(ptr noundef %0) #0 {
  %2 = alloca ptr, align 8
  %3 = alloca i32, align 4
  store ptr %0, ptr %2, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 4, ptr %3) #3
  store i32 0, ptr %3, align 4, !tbaa !9
  br label %4

4:                                                ; preds = %20, %1
  %5 = load i32, ptr %3, align 4, !tbaa !9
  %6 = load ptr, ptr %2, align 8, !tbaa !5
  %7 = getelementptr inbounds %struct.HandleTreeCreate, ptr %6, i32 0, i32 1
  %8 = load i32, ptr %7, align 8, !tbaa !11
  %9 = icmp slt i32 %5, %8
  br i1 %9, label %11, label %10

10:                                               ; preds = %4
  call void @llvm.lifetime.end.p0(i64 4, ptr %3) #3
  br label %23

11:                                               ; preds = %4
  %12 = load ptr, ptr %2, align 8, !tbaa !5
  %13 = getelementptr inbounds %struct.HandleTreeCreate, ptr %12, i32 0, i32 0
  %14 = load ptr, ptr %13, align 8, !tbaa !13
  %15 = load i32, ptr %3, align 4, !tbaa !9
  %16 = sext i32 %15 to i64
  %17 = getelementptr inbounds %struct.TreeNode, ptr %14, i64 %16
  %18 = getelementptr inbounds %struct.TreeNode, ptr %17, i32 0, i32 1
  %19 = load ptr, ptr %18, align 8, !tbaa !14
  call void @m_Free(ptr noundef %19)
  br label %20

20:                                               ; preds = %11
  %21 = load i32, ptr %3, align 4, !tbaa !9
  %22 = add nsw i32 %21, 1
  store i32 %22, ptr %3, align 4, !tbaa !9
  br label %4, !llvm.loop !17

23:                                               ; preds = %10
  %24 = load ptr, ptr %2, align 8, !tbaa !5
  %25 = getelementptr inbounds %struct.HandleTreeCreate, ptr %24, i32 0, i32 3
  %26 = load ptr, ptr %25, align 8, !tbaa !19
  %27 = icmp ne ptr %26, null
  br i1 %27, label %28, label %32

28:                                               ; preds = %23
  %29 = load ptr, ptr %2, align 8, !tbaa !5
  %30 = getelementptr inbounds %struct.HandleTreeCreate, ptr %29, i32 0, i32 3
  %31 = load ptr, ptr %30, align 8, !tbaa !19
  call void @mMemoryRelease(ptr noundef %31)
  br label %32

32:                                               ; preds = %28, %23
  %33 = load ptr, ptr %2, align 8, !tbaa !5
  %34 = getelementptr inbounds %struct.HandleTreeCreate, ptr %33, i32 0, i32 0
  %35 = load ptr, ptr %34, align 8, !tbaa !13
  %36 = icmp ne ptr %35, null
  br i1 %36, label %37, label %41

37:                                               ; preds = %32
  %38 = load ptr, ptr %2, align 8, !tbaa !5
  %39 = getelementptr inbounds %struct.HandleTreeCreate, ptr %38, i32 0, i32 0
  %40 = load ptr, ptr %39, align 8, !tbaa !13
  call void @m_Free(ptr noundef %40)
  br label %41

41:                                               ; preds = %37, %32
  ret void
}

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

declare void @m_Free(ptr noundef) #2

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

declare void @mMemoryRelease(ptr noundef) #2

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 = { "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 8}
!12 = !{!"HandleTreeCreate", !6, i64 0, !10, i64 8, !10, i64 12, !6, i64 16}
!13 = !{!12, !6, i64 0}
!14 = !{!15, !6, i64 8}
!15 = !{!"TreeNode", !6, i64 0, !6, i64 8, !6, i64 16, !10, i64 24, !16, i64 28, !16, i64 30, !6, i64 32}
!16 = !{!"short", !7, i64 0}
!17 = distinct !{!17, !18}
!18 = !{!"llvm.loop.mustprogress"}
!19 = !{!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"

%struct.TreeNode = type { ptr, ptr, ptr, i32, i16, i16, ptr }

; Function Attrs: nounwind uwtable
define dso_local void @endTreeCreate(ptr nocapture noundef readonly %0) local_unnamed_addr #0 {
  %2 = getelementptr inbounds i8, ptr %0, i64 8
  %3 = load i32, ptr %2, align 8, !tbaa !5
  %4 = icmp sgt i32 %3, 0
  br i1 %4, label %.lr.ph, label %._crit_edge

._crit_edge:                                      ; preds = %.lr.ph, %1
  %5 = getelementptr inbounds i8, ptr %0, i64 16
  %6 = load ptr, ptr %5, align 8, !tbaa !11
  %.not = icmp eq ptr %6, null
  br i1 %.not, label %14, label %13

.lr.ph:                                           ; preds = %1, %.lr.ph
  %indvars.iv = phi i64 [ %indvars.iv.next, %.lr.ph ], [ 0, %1 ]
  %7 = load ptr, ptr %0, align 8, !tbaa !12
  %8 = getelementptr inbounds %struct.TreeNode, ptr %7, i64 %indvars.iv, i32 1
  %9 = load ptr, ptr %8, align 8, !tbaa !13
  tail call void @m_Free(ptr noundef %9) #2
  %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
  %10 = load i32, ptr %2, align 8, !tbaa !5
  %11 = sext i32 %10 to i64
  %12 = icmp slt i64 %indvars.iv.next, %11
  br i1 %12, label %.lr.ph, label %._crit_edge, !llvm.loop !16

13:                                               ; preds = %._crit_edge
  tail call void @mMemoryRelease(ptr noundef nonnull %6) #2
  br label %14

14:                                               ; preds = %13, %._crit_edge
  %15 = load ptr, ptr %0, align 8, !tbaa !12
  %.not10 = icmp eq ptr %15, null
  br i1 %.not10, label %17, label %16

16:                                               ; preds = %14
  tail call void @m_Free(ptr noundef nonnull %15) #2
  br label %17

17:                                               ; preds = %16, %14
  ret void
}

declare void @m_Free(ptr noundef) local_unnamed_addr #1

declare void @mMemoryRelease(ptr 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 = { "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, !10, i64 8}
!6 = !{!"HandleTreeCreate", !7, i64 0, !10, i64 8, !10, i64 12, !7, i64 16}
!7 = !{!"any pointer", !8, i64 0}
!8 = !{!"omnipotent char", !9, i64 0}
!9 = !{!"Simple C/C++ TBAA"}
!10 = !{!"int", !8, i64 0}
!11 = !{!6, !7, i64 16}
!12 = !{!6, !7, i64 0}
!13 = !{!14, !7, i64 8}
!14 = !{!"TreeNode", !7, i64 0, !7, i64 8, !7, i64 16, !10, i64 24, !15, i64 28, !15, i64 30, !7, i64 32}
!15 = !{!"short", !8, i64 0}
!16 = distinct !{!16, !17}
!17 = !{!"llvm.loop.mustprogress"}


; Effective O3 passes: EarlyCSEPass,GlobalOptPass,IndVarSimplifyPass,InferFunctionAttrsPass,InstCombinePass,JumpThreadingPass,LICMPass,LoopRotatePass,LoopSimplifyPass,LoopUnrollPass,PostOrderFunctionAttrsPass,SROAPass,SimplifyCFGPass,TailCallElimPass