; LLVM IR from h-ssiqueira/Sort_Algorithms :: src/insertion (AVLTreeSort)

; 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 void @insertNodeAVLTree(ptr noundef, i64 noundef) #1

; Function Attrs: nounwind uwtable
declare dso_local ptr @freeMemory(ptr noundef) #1

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

; Function Attrs: nounwind uwtable
define dso_local void @AVLTreeSort(ptr noundef %0, i32 noundef %1) #1 {
  %3 = alloca ptr, align 8
  %4 = alloca i32, align 4
  %5 = alloca ptr, align 8
  %6 = alloca ptr, align 8
  %7 = alloca i32, align 4
  store ptr %0, ptr %3, align 8, !tbaa !5
  store i32 %1, ptr %4, align 4, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 8, ptr %5) #2
  store ptr null, ptr %5, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %6) #2
  call void @llvm.lifetime.start.p0(i64 4, ptr %7) #2
  %8 = load i32, ptr %7, align 4, !tbaa !9
  %9 = load i32, ptr %7, align 4, !tbaa !9
  %10 = xor i32 %9, %8
  store i32 %10, ptr %7, align 4, !tbaa !9
  br label %11

11:                                               ; preds = %21, %2
  %12 = load i32, ptr %7, align 4, !tbaa !9
  %13 = load i32, ptr %4, align 4, !tbaa !9
  %14 = icmp slt i32 %12, %13
  br i1 %14, label %15, label %24

15:                                               ; preds = %11
  %16 = load i32, ptr %7, align 4, !tbaa !9
  %17 = load ptr, ptr %3, align 8, !tbaa !5
  %18 = sext i32 %16 to i64
  %19 = getelementptr inbounds i64, ptr %17, i64 %18
  %20 = load i64, ptr %19, align 8, !tbaa !11
  call void @insertNodeAVLTree(ptr noundef %5, i64 noundef %20)
  br label %21

21:                                               ; preds = %15
  %22 = load i32, ptr %7, align 4, !tbaa !9
  %23 = add nsw i32 %22, 1
  store i32 %23, ptr %7, align 4, !tbaa !9
  br label %11, !llvm.loop !13

24:                                               ; preds = %11
  %25 = load i32, ptr %7, align 4, !tbaa !9
  %26 = load i32, ptr %7, align 4, !tbaa !9
  %27 = xor i32 %26, %25
  store i32 %27, ptr %7, align 4, !tbaa !9
  store ptr %7, ptr %6, align 8, !tbaa !5
  %28 = load ptr, ptr %3, align 8, !tbaa !5
  %29 = load ptr, ptr %5, align 8, !tbaa !5
  call void @storeValueAVLTree(ptr noundef %28, ptr noundef %29, ptr noundef %6)
  %30 = load ptr, ptr %5, align 8, !tbaa !5
  %31 = call ptr @freeMemory(ptr noundef %30)
  store ptr %31, ptr %5, align 8, !tbaa !5
  call void @llvm.lifetime.end.p0(i64 4, ptr %7) #2
  call void @llvm.lifetime.end.p0(i64 8, ptr %6) #2
  call void @llvm.lifetime.end.p0(i64 8, ptr %5) #2
  ret void
}

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 = { 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, !12, i64 0}
!12 = !{!"long", !7, i64 0}
!13 = distinct !{!13, !14}
!14 = !{!"llvm.loop.mustprogress"}


; 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 void @insertNodeAVLTree(ptr noundef, i64 noundef) local_unnamed_addr #1

; Function Attrs: nounwind uwtable
declare dso_local ptr @freeMemory(ptr noundef) local_unnamed_addr #1

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

; Function Attrs: nounwind uwtable
define dso_local void @AVLTreeSort(ptr noundef %0, i32 noundef %1) local_unnamed_addr #1 {
  %3 = alloca ptr, align 8
  %4 = alloca ptr, align 8
  %5 = alloca i32, align 4
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %3) #2
  store ptr null, ptr %3, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %4) #2
  call void @llvm.lifetime.start.p0(i64 4, ptr nonnull %5) #2
  %6 = icmp sgt i32 %1, 0
  br i1 %6, label %.lr.ph, label %._crit_edge

.lr.ph:                                           ; preds = %2, %.lr.ph
  %7 = phi i32 [ %11, %.lr.ph ], [ 0, %2 ]
  %8 = zext nneg i32 %7 to i64
  %9 = getelementptr inbounds i64, ptr %0, i64 %8
  %10 = load i64, ptr %9, align 8, !tbaa !9
  call void @insertNodeAVLTree(ptr noundef nonnull %3, i64 noundef %10)
  %11 = add nuw nsw i32 %7, 1
  %12 = icmp slt i32 %11, %1
  br i1 %12, label %.lr.ph, label %._crit_edge.loopexit, !llvm.loop !11

._crit_edge.loopexit:                             ; preds = %.lr.ph
  %.pre = load ptr, ptr %3, align 8, !tbaa !5
  br label %._crit_edge

._crit_edge:                                      ; preds = %._crit_edge.loopexit, %2
  %13 = phi ptr [ %.pre, %._crit_edge.loopexit ], [ null, %2 ]
  store i32 0, ptr %5, align 4, !tbaa !13
  store ptr %5, ptr %4, align 8, !tbaa !5
  call void @storeValueAVLTree(ptr noundef %0, ptr noundef %13, ptr noundef nonnull %4)
  %14 = load ptr, ptr %3, align 8, !tbaa !5
  %15 = call ptr @freeMemory(ptr noundef %14)
  call void @llvm.lifetime.end.p0(i64 4, ptr nonnull %5) #2
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %4) #2
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %3) #2
  ret void
}

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 = { 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 = !{!"long", !7, i64 0}
!11 = distinct !{!11, !12}
!12 = !{!"llvm.loop.mustprogress"}
!13 = !{!14, !14, i64 0}
!14 = !{!"int", !7, i64 0}


; Effective O3 passes: DSEPass,EarlyCSEPass,GVNPass,GlobalOptPass,InferFunctionAttrsPass,InstCombinePass,LoopRotatePass,LoopSimplifyPass,LoopUnrollPass,SROAPass,SimplifyCFGPass