; LLVM IR from gstonge/spreading_CR :: src/BinaryTree.ll (ZN3net10BinaryTree12destroy_treeEPNS_14BinaryTreeNodeE)

; 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.net::BinaryTreeNode" = type { double, ptr, ptr, ptr }

; Function Attrs: nobuiltin nounwind
declare void @_ZdlPvm(ptr noundef, i64 noundef) #0

; Function Attrs: mustprogress uwtable
define dso_local void @_ZN3net10BinaryTree12destroy_treeEPNS_14BinaryTreeNodeE(ptr noundef nonnull align 8 dereferenceable(96) %0, ptr noundef %1) #1 align 2 {
  %3 = alloca ptr, align 8
  %4 = alloca ptr, align 8
  store ptr %0, ptr %3, align 8, !tbaa !5
  store ptr %1, ptr %4, align 8, !tbaa !5
  %5 = load ptr, ptr %3, align 8
  %6 = load ptr, ptr %4, align 8, !tbaa !5
  %7 = icmp ne ptr %6, null
  br i1 %7, label %8, label %19

8:                                                ; preds = %2
  %9 = load ptr, ptr %4, align 8, !tbaa !5
  %10 = getelementptr inbounds %"struct.net::BinaryTreeNode", ptr %9, i32 0, i32 2
  %11 = load ptr, ptr %10, align 8, !tbaa !9
  call void @_ZN3net10BinaryTree12destroy_treeEPNS_14BinaryTreeNodeE(ptr noundef nonnull align 8 dereferenceable(96) %5, ptr noundef %11)
  %12 = load ptr, ptr %4, align 8, !tbaa !5
  %13 = getelementptr inbounds %"struct.net::BinaryTreeNode", ptr %12, i32 0, i32 3
  %14 = load ptr, ptr %13, align 8, !tbaa !12
  call void @_ZN3net10BinaryTree12destroy_treeEPNS_14BinaryTreeNodeE(ptr noundef nonnull align 8 dereferenceable(96) %5, ptr noundef %14)
  %15 = load ptr, ptr %4, align 8, !tbaa !5
  %16 = icmp eq ptr %15, null
  br i1 %16, label %18, label %17

17:                                               ; preds = %8
  call void @_ZdlPvm(ptr noundef %15, i64 noundef 32) #2
  br label %18

18:                                               ; preds = %17, %8
  br label %19

19:                                               ; preds = %18, %2
  ret void
}

attributes #0 = { nobuiltin nounwind "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 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 = { builtin 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++ TBAA"}
!9 = !{!10, !6, i64 16}
!10 = !{!"_ZTSN3net14BinaryTreeNodeE", !11, i64 0, !6, i64 8, !6, i64 16, !6, i64 24}
!11 = !{!"double", !7, i64 0}
!12 = !{!10, !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: nobuiltin nounwind
declare void @_ZdlPvm(ptr noundef, i64 noundef) local_unnamed_addr #0

; Function Attrs: mustprogress nounwind uwtable
define dso_local void @_ZN3net10BinaryTree12destroy_treeEPNS_14BinaryTreeNodeE(ptr noundef nonnull align 8 dereferenceable(96) %0, ptr noundef %1) local_unnamed_addr #1 align 2 {
  %.not = icmp eq ptr %1, null
  br i1 %.not, label %common.ret5, label %3

common.ret5:                                      ; preds = %2, %3
  ret void

3:                                                ; preds = %2
  %4 = getelementptr inbounds i8, ptr %1, i64 16
  %5 = load ptr, ptr %4, align 8, !tbaa !5
  tail call void @_ZN3net10BinaryTree12destroy_treeEPNS_14BinaryTreeNodeE(ptr noundef nonnull align 8 dereferenceable(96) %0, ptr noundef %5)
  %6 = getelementptr inbounds i8, ptr %1, i64 24
  %7 = load ptr, ptr %6, align 8, !tbaa !11
  tail call void @_ZN3net10BinaryTree12destroy_treeEPNS_14BinaryTreeNodeE(ptr noundef nonnull align 8 dereferenceable(96) %0, ptr noundef %7)
  tail call void @_ZdlPvm(ptr noundef nonnull %1, i64 noundef 32) #2
  br label %common.ret5
}

attributes #0 = { nobuiltin nounwind "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 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 = { builtin 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 16}
!6 = !{!"_ZTSN3net14BinaryTreeNodeE", !7, i64 0, !10, i64 8, !10, i64 16, !10, i64 24}
!7 = !{!"double", !8, i64 0}
!8 = !{!"omnipotent char", !9, i64 0}
!9 = !{!"Simple C++ TBAA"}
!10 = !{!"any pointer", !8, i64 0}
!11 = !{!6, !10, i64 24}


; Effective O3 passes: CorrelatedValuePropagationPass,EarlyCSEPass,GlobalOptPass,IPSCCPPass,InstCombinePass,PostOrderFunctionAttrsPass,SROAPass,SimplifyCFGPass,TailCallElimPass