; LLVM IR from modlfo/AudioEngine :: AudioEngine/JuceLibraryCode/juce_gui_basics.ll (ZN4juce12TreeViewItem15getTopLevelItemEv)

; 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"

%"class.juce::TreeViewItem" = type <{ ptr, ptr, ptr, %"class.juce::OwnedArray.338", i32, i32, i32, i32, i32, i32, i8, [7 x i8] }>
%"class.juce::OwnedArray.338" = type { %"class.juce::ArrayAllocationBase.339", i32, [4 x i8] }
%"class.juce::ArrayAllocationBase.339" = type <{ %"class.juce::HeapBlock.340", i32, [4 x i8] }>
%"class.juce::HeapBlock.340" = type { ptr }

; Function Attrs: mustprogress nounwind uwtable
define dso_local noundef ptr @_ZN4juce12TreeViewItem15getTopLevelItemEv(ptr noundef nonnull align 8 dereferenceable(73) %0) #0 align 2 {
  %2 = alloca ptr, align 8
  store ptr %0, ptr %2, align 8, !tbaa !5
  %3 = load ptr, ptr %2, align 8
  %4 = getelementptr inbounds %"class.juce::TreeViewItem", ptr %3, i32 0, i32 2
  %5 = load ptr, ptr %4, align 8, !tbaa !9
  %6 = icmp eq ptr %5, null
  br i1 %6, label %7, label %8

7:                                                ; preds = %1
  br label %12

8:                                                ; preds = %1
  %9 = getelementptr inbounds %"class.juce::TreeViewItem", ptr %3, i32 0, i32 2
  %10 = load ptr, ptr %9, align 8, !tbaa !9
  %11 = call noundef ptr @_ZN4juce12TreeViewItem15getTopLevelItemEv(ptr noundef nonnull align 8 dereferenceable(73) %10) #1
  br label %12

12:                                               ; preds = %8, %7
  %13 = phi ptr [ %3, %7 ], [ %11, %8 ]
  ret ptr %13
}

attributes #0 = { 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 #1 = { 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 = !{!"_ZTSN4juce12TreeViewItemE", !6, i64 8, !6, i64 16, !11, i64 24, !14, i64 48, !14, i64 52, !14, i64 56, !14, i64 60, !14, i64 64, !14, i64 68, !15, i64 72, !15, i64 72, !15, i64 72, !15, i64 72, !15, i64 72, !15, i64 72, !14, i64 72}
!11 = !{!"_ZTSN4juce10OwnedArrayINS_12TreeViewItemENS_20DummyCriticalSectionEEE", !12, i64 0, !14, i64 16}
!12 = !{!"_ZTSN4juce19ArrayAllocationBaseIPNS_12TreeViewItemENS_20DummyCriticalSectionEEE", !13, i64 0, !14, i64 8}
!13 = !{!"_ZTSN4juce9HeapBlockIPNS_12TreeViewItemELb0EEE", !6, i64 0}
!14 = !{!"int", !7, i64 0}
!15 = !{!"bool", !7, i64 0}


; 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 nofree norecurse nosync nounwind willreturn memory(read, inaccessiblemem: none) uwtable
define dso_local noundef nonnull ptr @_ZN4juce12TreeViewItem15getTopLevelItemEv(ptr noundef nonnull readonly align 8 dereferenceable(73) %0) local_unnamed_addr #0 align 2 {
  br label %tailrecurse

tailrecurse:                                      ; preds = %tailrecurse, %1
  %.tr = phi ptr [ %0, %1 ], [ %3, %tailrecurse ]
  %2 = getelementptr inbounds i8, ptr %.tr, i64 16
  %3 = load ptr, ptr %2, align 8, !tbaa !5
  %4 = icmp eq ptr %3, null
  br i1 %4, label %5, label %tailrecurse

5:                                                ; preds = %tailrecurse
  ret ptr %.tr
}

attributes #0 = { mustprogress nofree norecurse nosync nounwind willreturn memory(read, inaccessiblemem: none) 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" }

!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, !7, i64 16}
!6 = !{!"_ZTSN4juce12TreeViewItemE", !7, i64 8, !7, i64 16, !10, i64 24, !13, i64 48, !13, i64 52, !13, i64 56, !13, i64 60, !13, i64 64, !13, i64 68, !14, i64 72, !14, i64 72, !14, i64 72, !14, i64 72, !14, i64 72, !14, i64 72, !13, i64 72}
!7 = !{!"any pointer", !8, i64 0}
!8 = !{!"omnipotent char", !9, i64 0}
!9 = !{!"Simple C++ TBAA"}
!10 = !{!"_ZTSN4juce10OwnedArrayINS_12TreeViewItemENS_20DummyCriticalSectionEEE", !11, i64 0, !13, i64 16}
!11 = !{!"_ZTSN4juce19ArrayAllocationBaseIPNS_12TreeViewItemENS_20DummyCriticalSectionEEE", !12, i64 0, !13, i64 8}
!12 = !{!"_ZTSN4juce9HeapBlockIPNS_12TreeViewItemELb0EEE", !7, i64 0}
!13 = !{!"int", !8, i64 0}
!14 = !{!"bool", !8, i64 0}


; Effective O3 passes: EarlyCSEPass,GVNPass,GlobalOptPass,InstCombinePass,InstSimplifyPass,LCSSAPass,LoopUnrollPass,PostOrderFunctionAttrsPass,SROAPass,SimplifyCFGPass,TailCallElimPass