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

; 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::MidiMessageSequence" = type { %"class.juce::OwnedArray.35" }
%"class.juce::OwnedArray.35" = type { %"class.juce::ArrayAllocationBase.36", i32, [4 x i8] }
%"class.juce::ArrayAllocationBase.36" = type <{ %"class.juce::HeapBlock.37", i32, [4 x i8] }>
%"class.juce::HeapBlock.37" = type { ptr }
%"class.juce::MidiMessageSequence::MidiEventHolder" = type { %"class.juce::MidiMessage", ptr }
%"class.juce::MidiMessage" = type <{ %"union.juce::MidiMessage::PackedData", double, i32, [4 x i8] }>
%"union.juce::MidiMessage::PackedData" = type { ptr }

; 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: mustprogress nounwind uwtable
declare dso_local noundef double @_ZNK4juce11MidiMessage12getTimeStampEv(ptr noundef nonnull align 8 dereferenceable(20)) #1 align 2

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local noundef ptr @_ZNK4juce10OwnedArrayINS_19MidiMessageSequence15MidiEventHolderENS_20DummyCriticalSectionEEixEi(ptr noundef nonnull align 8 dereferenceable(20), i32 noundef) #2 align 2

; Function Attrs: mustprogress nounwind uwtable
define dso_local noundef double @_ZNK4juce19MidiMessageSequence12getEventTimeEi(ptr noundef nonnull align 8 dereferenceable(24) %0, i32 noundef %1) #1 align 2 {
  %3 = alloca double, align 8
  %4 = alloca ptr, align 8
  %5 = alloca i32, align 4
  %6 = alloca ptr, align 8
  %7 = alloca i32, align 4
  store ptr %0, ptr %4, align 8, !tbaa !5
  store i32 %1, ptr %5, align 4, !tbaa !9
  %8 = load ptr, ptr %4, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr %6) #3
  %9 = getelementptr inbounds %"class.juce::MidiMessageSequence", ptr %8, i32 0, i32 0
  %10 = load i32, ptr %5, align 4, !tbaa !9
  %11 = call noundef ptr @_ZNK4juce10OwnedArrayINS_19MidiMessageSequence15MidiEventHolderENS_20DummyCriticalSectionEEixEi(ptr noundef nonnull align 8 dereferenceable(20) %9, i32 noundef %10) #3
  store ptr %11, ptr %6, align 8, !tbaa !5
  %12 = load ptr, ptr %6, align 8, !tbaa !5
  %13 = icmp ne ptr %12, null
  br i1 %13, label %14, label %18

14:                                               ; preds = %2
  %15 = load ptr, ptr %6, align 8, !tbaa !5
  %16 = getelementptr inbounds %"class.juce::MidiMessageSequence::MidiEventHolder", ptr %15, i32 0, i32 0
  %17 = call noundef double @_ZNK4juce11MidiMessage12getTimeStampEv(ptr noundef nonnull align 8 dereferenceable(20) %16) #3
  store double %17, ptr %3, align 8
  store i32 1, ptr %7, align 4
  br label %19

18:                                               ; preds = %2
  store i32 0, ptr %7, align 4
  br label %19

19:                                               ; preds = %18, %14
  call void @llvm.lifetime.end.p0(i64 8, ptr %6) #3
  %20 = load i32, ptr %7, align 4
  switch i32 %20, label %24 [
    i32 0, label %21
    i32 1, label %22
  ]

21:                                               ; preds = %19
  store double 0.000000e+00, ptr %3, align 8
  br label %22

22:                                               ; preds = %21, %19
  %23 = load double, ptr %3, align 8
  ret double %23

24:                                               ; preds = %19
  unreachable
}

attributes #0 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
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 = { 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 #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"}
!9 = !{!10, !10, i64 0}
!10 = !{!"int", !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 nounwind uwtable
declare dso_local noundef double @_ZNK4juce11MidiMessage12getTimeStampEv(ptr noundef nonnull align 8 dereferenceable(20)) local_unnamed_addr #0 align 2

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local noundef ptr @_ZNK4juce10OwnedArrayINS_19MidiMessageSequence15MidiEventHolderENS_20DummyCriticalSectionEEixEi(ptr noundef nonnull align 8 dereferenceable(20), i32 noundef) local_unnamed_addr #1 align 2

; Function Attrs: mustprogress nounwind uwtable
define dso_local noundef double @_ZNK4juce19MidiMessageSequence12getEventTimeEi(ptr noundef nonnull align 8 dereferenceable(24) %0, i32 noundef %1) local_unnamed_addr #0 align 2 {
  %3 = tail call noundef ptr @_ZNK4juce10OwnedArrayINS_19MidiMessageSequence15MidiEventHolderENS_20DummyCriticalSectionEEixEi(ptr noundef nonnull align 8 dereferenceable(20) %0, i32 noundef %1) #2
  %.not.not = icmp eq ptr %3, null
  br i1 %.not.not, label %6, label %4

4:                                                ; preds = %2
  %5 = tail call noundef double @_ZNK4juce11MidiMessage12getTimeStampEv(ptr noundef nonnull align 8 dereferenceable(20) %3) #2
  br label %6

6:                                                ; preds = %2, %4
  %.1 = phi double [ %5, %4 ], [ 0.000000e+00, %2 ]
  ret double %.1
}

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 = { 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 #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: EarlyCSEPass,GlobalOptPass,IPSCCPPass,InferFunctionAttrsPass,InstCombinePass,SROAPass,SimplifyCFGPass,TailCallElimPass