; LLVM IR from modlfo/AudioEngine :: AudioEngine/JuceLibraryCode/juce_gui_basics.ll (ZN4juce9Component17deleteAllChildrenEv)

; 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::Component" = type <{ %"class.juce::MouseListener", %"class.juce::String", %"class.juce::String", ptr, %"class.juce::Rectangle", %"class.juce::ScopedPointer", %"class.juce::ScopedPointer.0", %"class.juce::Array", ptr, %"class.juce::MouseCursor", ptr, %"class.juce::ScopedPointer.1", %"class.juce::ScopedPointer.2", %"class.juce::ScopedPointer.3", %"class.juce::ListenerList", %"class.juce::NamedValueSet", %"class.juce::WeakReference<juce::Component>::Master", %union.anon, i8, [3 x i8] }>
%"class.juce::MouseListener" = type { ptr }
%"class.juce::String" = type { %"class.juce::CharPointer_UTF8" }
%"class.juce::CharPointer_UTF8" = type { ptr }
%"class.juce::Rectangle" = type { %"class.juce::Point", i32, i32 }
%"class.juce::Point" = type { i32, i32 }
%"class.juce::ScopedPointer" = type { ptr }
%"class.juce::ScopedPointer.0" = type { ptr }
%"class.juce::Array" = type { %"class.juce::ArrayAllocationBase", i32, [4 x i8] }
%"class.juce::ArrayAllocationBase" = type <{ %"class.juce::HeapBlock", i32, [4 x i8] }>
%"class.juce::HeapBlock" = type { ptr }
%"class.juce::MouseCursor" = type { ptr }
%"class.juce::ScopedPointer.1" = type { ptr }
%"class.juce::ScopedPointer.2" = type { ptr }
%"class.juce::ScopedPointer.3" = type { ptr }
%"class.juce::ListenerList" = type { %"class.juce::Array.4" }
%"class.juce::Array.4" = type { %"class.juce::ArrayAllocationBase.5", i32, [4 x i8] }
%"class.juce::ArrayAllocationBase.5" = type <{ %"class.juce::HeapBlock.6", i32, [4 x i8] }>
%"class.juce::HeapBlock.6" = type { ptr }
%"class.juce::NamedValueSet" = type { %"class.juce::Array.9" }
%"class.juce::Array.9" = type { %"class.juce::ArrayAllocationBase.10", i32, [4 x i8] }
%"class.juce::ArrayAllocationBase.10" = type <{ %"class.juce::HeapBlock.11", i32, [4 x i8] }>
%"class.juce::HeapBlock.11" = type { ptr }
%"class.juce::WeakReference<juce::Component>::Master" = type { %"class.juce::ReferenceCountedObjectPtr" }
%"class.juce::ReferenceCountedObjectPtr" = type { ptr }
%union.anon = type { i32 }

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local noundef i32 @_ZNK4juce5ArrayIPNS_9ComponentENS_20DummyCriticalSectionELi0EE4sizeEv(ptr noundef nonnull align 8 dereferenceable(20)) #0 align 2

; Function Attrs: mustprogress uwtable
declare dso_local noundef ptr @_ZN4juce9Component20removeChildComponentEi(ptr noundef nonnull align 8 dereferenceable(197), i32 noundef) #1 align 2

; Function Attrs: mustprogress uwtable
define dso_local void @_ZN4juce9Component17deleteAllChildrenEv(ptr noundef nonnull align 8 dereferenceable(197) %0) #1 align 2 {
  %2 = alloca ptr, align 8
  store ptr %0, ptr %2, align 8, !tbaa !5
  %3 = load ptr, ptr %2, align 8
  br label %4

4:                                                ; preds = %18, %1
  %5 = getelementptr inbounds %"class.juce::Component", ptr %3, i32 0, i32 7
  %6 = call noundef i32 @_ZNK4juce5ArrayIPNS_9ComponentENS_20DummyCriticalSectionELi0EE4sizeEv(ptr noundef nonnull align 8 dereferenceable(20) %5) #2
  %7 = icmp sgt i32 %6, 0
  br i1 %7, label %8, label %19

8:                                                ; preds = %4
  %9 = getelementptr inbounds %"class.juce::Component", ptr %3, i32 0, i32 7
  %10 = call noundef i32 @_ZNK4juce5ArrayIPNS_9ComponentENS_20DummyCriticalSectionELi0EE4sizeEv(ptr noundef nonnull align 8 dereferenceable(20) %9) #2
  %11 = sub nsw i32 %10, 1
  %12 = call noundef ptr @_ZN4juce9Component20removeChildComponentEi(ptr noundef nonnull align 8 dereferenceable(197) %3, i32 noundef %11)
  %13 = icmp eq ptr %12, null
  br i1 %13, label %18, label %14

14:                                               ; preds = %8
  %15 = load ptr, ptr %12, align 8, !tbaa !9
  %16 = getelementptr inbounds ptr, ptr %15, i64 1
  %17 = load ptr, ptr %16, align 8
  call void %17(ptr noundef nonnull align 8 dereferenceable(197) %12) #2
  br label %18

18:                                               ; preds = %14, %8
  br label %4, !llvm.loop !11

19:                                               ; preds = %4
  ret void
}

attributes #0 = { inlinehint 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 = { 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 = { 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, !10, i64 0}
!10 = !{!"vtable pointer", !8, i64 0}
!11 = distinct !{!11, !12}
!12 = !{!"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: inlinehint mustprogress nounwind uwtable
declare dso_local noundef i32 @_ZNK4juce5ArrayIPNS_9ComponentENS_20DummyCriticalSectionELi0EE4sizeEv(ptr noundef nonnull align 8 dereferenceable(20)) local_unnamed_addr #0 align 2

; Function Attrs: mustprogress uwtable
declare dso_local noundef ptr @_ZN4juce9Component20removeChildComponentEi(ptr noundef nonnull align 8 dereferenceable(197), i32 noundef) local_unnamed_addr #1 align 2

; Function Attrs: mustprogress uwtable
define dso_local void @_ZN4juce9Component17deleteAllChildrenEv(ptr noundef nonnull align 8 dereferenceable(197) %0) local_unnamed_addr #1 align 2 {
  %2 = getelementptr inbounds i8, ptr %0, i64 64
  %3 = tail call noundef i32 @_ZNK4juce5ArrayIPNS_9ComponentENS_20DummyCriticalSectionELi0EE4sizeEv(ptr noundef nonnull align 8 dereferenceable(20) %2) #2
  %4 = icmp sgt i32 %3, 0
  br i1 %4, label %.lr.ph, label %._crit_edge

.lr.ph:                                           ; preds = %1, %13
  %5 = tail call noundef i32 @_ZNK4juce5ArrayIPNS_9ComponentENS_20DummyCriticalSectionELi0EE4sizeEv(ptr noundef nonnull align 8 dereferenceable(20) %2) #2
  %6 = add nsw i32 %5, -1
  %7 = tail call noundef ptr @_ZN4juce9Component20removeChildComponentEi(ptr noundef nonnull align 8 dereferenceable(197) %0, i32 noundef %6)
  %8 = icmp eq ptr %7, null
  br i1 %8, label %13, label %9

9:                                                ; preds = %.lr.ph
  %10 = load ptr, ptr %7, align 8, !tbaa !5
  %11 = getelementptr inbounds i8, ptr %10, i64 8
  %12 = load ptr, ptr %11, align 8
  tail call void %12(ptr noundef nonnull align 8 dereferenceable(197) %7) #2
  br label %13

13:                                               ; preds = %9, %.lr.ph
  %14 = tail call noundef i32 @_ZNK4juce5ArrayIPNS_9ComponentENS_20DummyCriticalSectionELi0EE4sizeEv(ptr noundef nonnull align 8 dereferenceable(20) %2) #2
  %15 = icmp sgt i32 %14, 0
  br i1 %15, label %.lr.ph, label %._crit_edge, !llvm.loop !8

._crit_edge:                                      ; preds = %13, %1
  ret void
}

attributes #0 = { inlinehint 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 = { 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 = { 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 = !{!"vtable pointer", !7, i64 0}
!7 = !{!"Simple C++ TBAA"}
!8 = distinct !{!8, !9}
!9 = !{!"llvm.loop.mustprogress"}


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