; LLVM IR from modlfo/AudioEngine :: AudioEngine/JuceLibraryCode (juce_data_structures)

; 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::String" = type { %"class.juce::CharPointer_UTF8" }
%"class.juce::CharPointer_UTF8" = type { ptr }
%"struct.juce::UndoManager::ActionSet" = type { %"class.juce::OwnedArray.44", %"class.juce::String", %"class.juce::Time" }
%"class.juce::OwnedArray.44" = type { %"class.juce::ArrayAllocationBase.45", i32, [4 x i8] }
%"class.juce::ArrayAllocationBase.45" = type <{ %"class.juce::HeapBlock.46", i32, [4 x i8] }>
%"class.juce::HeapBlock.46" = type { ptr }
%"class.juce::Time" = type { i64 }

; 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
declare void @_ZN4juce6StringC1Ev(ptr noundef nonnull align 8 dereferenceable(8)) unnamed_addr #1

; Function Attrs: nounwind
declare void @_ZN4juce6StringC1ERKS0_(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef nonnull align 8 dereferenceable(8)) unnamed_addr #1

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef ptr @_ZNK4juce11UndoManager10getNextSetEv(ptr noundef nonnull align 8 dereferenceable(130)) #2 align 2

; Function Attrs: mustprogress nounwind uwtable
define dso_local void @_ZNK4juce11UndoManager18getRedoDescriptionEv(ptr dead_on_unwind noalias writable sret(%"class.juce::String") align 8 %0, ptr noundef nonnull align 8 dereferenceable(130) %1) #2 align 2 {
  %3 = alloca ptr, align 8
  %4 = alloca ptr, align 8
  %5 = alloca ptr, align 8
  %6 = alloca i32, align 4
  store ptr %0, ptr %3, align 8
  store ptr %1, ptr %4, align 8, !tbaa !5
  %7 = load ptr, ptr %4, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr %5) #3
  %8 = call noundef ptr @_ZNK4juce11UndoManager10getNextSetEv(ptr noundef nonnull align 8 dereferenceable(130) %7) #3
  store ptr %8, ptr %5, align 8, !tbaa !5
  %9 = load ptr, ptr %5, align 8, !tbaa !5
  %10 = icmp ne ptr %9, null
  br i1 %10, label %11, label %14

11:                                               ; preds = %2
  %12 = load ptr, ptr %5, align 8, !tbaa !5
  %13 = getelementptr inbounds %"struct.juce::UndoManager::ActionSet", ptr %12, i32 0, i32 1
  call void @_ZN4juce6StringC1ERKS0_(ptr noundef nonnull align 8 dereferenceable(8) %0, ptr noundef nonnull align 8 dereferenceable(8) %13) #3
  store i32 1, ptr %6, align 4
  br label %15

14:                                               ; preds = %2
  store i32 0, ptr %6, align 4
  br label %15

15:                                               ; preds = %14, %11
  call void @llvm.lifetime.end.p0(i64 8, ptr %5) #3
  %16 = load i32, ptr %6, align 4
  switch i32 %16, label %19 [
    i32 0, label %17
    i32 1, label %18
  ]

17:                                               ; preds = %15
  call void @_ZN4juce6StringC1Ev(ptr noundef nonnull align 8 dereferenceable(8) %0) #3
  br label %18

18:                                               ; preds = %17, %15
  ret void

19:                                               ; preds = %15
  unreachable
}

attributes #0 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { 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 #2 = { 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 #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++ TBAA"}


; 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"

%"class.juce::String" = type { %"class.juce::CharPointer_UTF8" }
%"class.juce::CharPointer_UTF8" = type { ptr }

; Function Attrs: nounwind
declare void @_ZN4juce6StringC1Ev(ptr noundef nonnull align 8 dereferenceable(8)) unnamed_addr #0

; Function Attrs: nounwind
declare void @_ZN4juce6StringC1ERKS0_(ptr noundef nonnull align 8 dereferenceable(8), ptr noundef nonnull align 8 dereferenceable(8)) unnamed_addr #0

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef ptr @_ZNK4juce11UndoManager10getNextSetEv(ptr noundef nonnull align 8 dereferenceable(130)) local_unnamed_addr #1 align 2

; Function Attrs: mustprogress nounwind uwtable
define dso_local void @_ZNK4juce11UndoManager18getRedoDescriptionEv(ptr dead_on_unwind noalias writable sret(%"class.juce::String") align 8 %0, ptr noundef nonnull align 8 dereferenceable(130) %1) local_unnamed_addr #1 align 2 {
  %3 = tail call noundef ptr @_ZNK4juce11UndoManager10getNextSetEv(ptr noundef nonnull align 8 dereferenceable(130) %1) #2
  %.not.not = icmp eq ptr %3, null
  br i1 %.not.not, label %6, label %4

4:                                                ; preds = %2
  %5 = getelementptr inbounds i8, ptr %3, i64 24
  tail call void @_ZN4juce6StringC1ERKS0_(ptr noundef nonnull align 8 dereferenceable(8) %0, ptr noundef nonnull align 8 dereferenceable(8) %5) #2
  br label %7

6:                                                ; preds = %2
  tail call void @_ZN4juce6StringC1Ev(ptr noundef nonnull align 8 dereferenceable(8) %0) #2
  br label %7

7:                                                ; preds = %4, %6
  ret void
}

attributes #0 = { 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 = { 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)"}


; Effective O3 passes: GlobalOptPass,IPSCCPPass,InferFunctionAttrsPass,InstCombinePass,JumpThreadingPass,SROAPass,SimplifyCFGPass,TailCallElimPass