; 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 uwtable
declare dso_local noundef ptr @_ZN4juce19MidiMessageSequence8addEventERKNS_11MidiMessageEd(ptr noundef nonnull align 8 dereferenceable(24), ptr noundef nonnull align 8 dereferenceable(20), double noundef) #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_ZNK4juce11MidiMessage11isMetaEventEv(ptr noundef nonnull align 8 dereferenceable(20)) #2 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_ZNK4juce11MidiMessage12isForChannelEi(ptr noundef nonnull align 8 dereferenceable(20), i32 noundef) #2 align 2

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local noundef i32 @_ZNK4juce10OwnedArrayINS_19MidiMessageSequence15MidiEventHolderENS_20DummyCriticalSectionEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(20)) #3 align 2

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local noundef ptr @_ZNK4juce10OwnedArrayINS_19MidiMessageSequence15MidiEventHolderENS_20DummyCriticalSectionEE12getUncheckedEi(ptr noundef nonnull align 8 dereferenceable(20), i32 noundef) #3 align 2

; Function Attrs: mustprogress uwtable
define dso_local void @_ZNK4juce19MidiMessageSequence26extractMidiChannelMessagesEiRS0_b(ptr noundef nonnull align 8 dereferenceable(24) %0, i32 noundef %1, ptr noundef nonnull align 8 dereferenceable(24) %2, i1 noundef zeroext %3) #1 align 2 {
  %5 = alloca ptr, align 8
  %6 = alloca i32, align 4
  %7 = alloca ptr, align 8
  %8 = alloca i8, align 1
  %9 = alloca i32, align 4
  %10 = alloca ptr, align 8
  store ptr %0, ptr %5, align 8, !tbaa !5
  store i32 %1, ptr %6, align 4, !tbaa !9
  store ptr %2, ptr %7, align 8, !tbaa !5
  %11 = zext i1 %3 to i8
  store i8 %11, ptr %8, align 1, !tbaa !11
  %12 = load ptr, ptr %5, align 8
  call void @llvm.lifetime.start.p0(i64 4, ptr %9) #4
  store i32 0, ptr %9, align 4, !tbaa !9
  br label %13

13:                                               ; preds = %38, %4
  %14 = load i32, ptr %9, align 4, !tbaa !9
  %15 = getelementptr inbounds %"class.juce::MidiMessageSequence", ptr %12, i32 0, i32 0
  %16 = call noundef i32 @_ZNK4juce10OwnedArrayINS_19MidiMessageSequence15MidiEventHolderENS_20DummyCriticalSectionEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(20) %15) #4
  %17 = icmp slt i32 %14, %16
  br i1 %17, label %19, label %18

18:                                               ; preds = %13
  call void @llvm.lifetime.end.p0(i64 4, ptr %9) #4
  br label %41

19:                                               ; preds = %13
  call void @llvm.lifetime.start.p0(i64 8, ptr %10) #4
  %20 = getelementptr inbounds %"class.juce::MidiMessageSequence", ptr %12, i32 0, i32 0
  %21 = load i32, ptr %9, align 4, !tbaa !9
  %22 = call noundef ptr @_ZNK4juce10OwnedArrayINS_19MidiMessageSequence15MidiEventHolderENS_20DummyCriticalSectionEE12getUncheckedEi(ptr noundef nonnull align 8 dereferenceable(20) %20, i32 noundef %21) #4
  %23 = getelementptr inbounds %"class.juce::MidiMessageSequence::MidiEventHolder", ptr %22, i32 0, i32 0
  store ptr %23, ptr %10, align 8, !tbaa !5
  %24 = load ptr, ptr %10, align 8, !tbaa !5
  %25 = load i32, ptr %6, align 4, !tbaa !9
  %26 = call noundef zeroext i1 @_ZNK4juce11MidiMessage12isForChannelEi(ptr noundef nonnull align 8 dereferenceable(20) %24, i32 noundef %25) #4
  br i1 %26, label %33, label %27

27:                                               ; preds = %19
  %28 = load i8, ptr %8, align 1, !tbaa !11, !range !13, !noundef !14
  %29 = trunc i8 %28 to i1
  br i1 %29, label %30, label %37

30:                                               ; preds = %27
  %31 = load ptr, ptr %10, align 8, !tbaa !5
  %32 = call noundef zeroext i1 @_ZNK4juce11MidiMessage11isMetaEventEv(ptr noundef nonnull align 8 dereferenceable(20) %31) #4
  br i1 %32, label %33, label %37

33:                                               ; preds = %30, %19
  %34 = load ptr, ptr %7, align 8, !tbaa !5
  %35 = load ptr, ptr %10, align 8, !tbaa !5
  %36 = call noundef ptr @_ZN4juce19MidiMessageSequence8addEventERKNS_11MidiMessageEd(ptr noundef nonnull align 8 dereferenceable(24) %34, ptr noundef nonnull align 8 dereferenceable(20) %35, double noundef 0.000000e+00)
  br label %37

37:                                               ; preds = %33, %30, %27
  call void @llvm.lifetime.end.p0(i64 8, ptr %10) #4
  br label %38

38:                                               ; preds = %37
  %39 = load i32, ptr %9, align 4, !tbaa !9
  %40 = add nsw i32 %39, 1
  store i32 %40, ptr %9, align 4, !tbaa !9
  br label %13, !llvm.loop !15

41:                                               ; preds = %18
  ret void
}

attributes #0 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
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 = { 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 = { 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 #4 = { 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}
!11 = !{!12, !12, i64 0}
!12 = !{!"bool", !7, i64 0}
!13 = !{i8 0, i8 2}
!14 = !{}
!15 = distinct !{!15, !16}
!16 = !{!"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: mustprogress uwtable
declare dso_local noundef ptr @_ZN4juce19MidiMessageSequence8addEventERKNS_11MidiMessageEd(ptr noundef nonnull align 8 dereferenceable(24), ptr noundef nonnull align 8 dereferenceable(20), double noundef) local_unnamed_addr #0 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_ZNK4juce11MidiMessage11isMetaEventEv(ptr noundef nonnull align 8 dereferenceable(20)) local_unnamed_addr #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef zeroext i1 @_ZNK4juce11MidiMessage12isForChannelEi(ptr noundef nonnull align 8 dereferenceable(20), i32 noundef) local_unnamed_addr #1 align 2

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local noundef i32 @_ZNK4juce10OwnedArrayINS_19MidiMessageSequence15MidiEventHolderENS_20DummyCriticalSectionEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(20)) local_unnamed_addr #2 align 2

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local noundef ptr @_ZNK4juce10OwnedArrayINS_19MidiMessageSequence15MidiEventHolderENS_20DummyCriticalSectionEE12getUncheckedEi(ptr noundef nonnull align 8 dereferenceable(20), i32 noundef) local_unnamed_addr #2 align 2

; Function Attrs: mustprogress uwtable
define dso_local void @_ZNK4juce19MidiMessageSequence26extractMidiChannelMessagesEiRS0_b(ptr noundef nonnull align 8 dereferenceable(24) %0, i32 noundef %1, ptr noundef nonnull align 8 dereferenceable(24) %2, i1 noundef zeroext %3) local_unnamed_addr #0 align 2 {
  %5 = tail call noundef i32 @_ZNK4juce10OwnedArrayINS_19MidiMessageSequence15MidiEventHolderENS_20DummyCriticalSectionEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(20) %0) #3
  %6 = icmp sgt i32 %5, 0
  br i1 %6, label %.lr.ph, label %._crit_edge

.lr.ph:                                           ; preds = %4
  br i1 %3, label %.lr.ph.split.us, label %.lr.ph.split

.lr.ph.split.us:                                  ; preds = %.lr.ph, %13
  %.09.us = phi i32 [ %14, %13 ], [ 0, %.lr.ph ]
  %7 = tail call noundef ptr @_ZNK4juce10OwnedArrayINS_19MidiMessageSequence15MidiEventHolderENS_20DummyCriticalSectionEE12getUncheckedEi(ptr noundef nonnull align 8 dereferenceable(20) %0, i32 noundef %.09.us) #3
  %8 = tail call noundef zeroext i1 @_ZNK4juce11MidiMessage12isForChannelEi(ptr noundef nonnull align 8 dereferenceable(20) %7, i32 noundef %1) #3
  br i1 %8, label %11, label %9

9:                                                ; preds = %.lr.ph.split.us
  %10 = tail call noundef zeroext i1 @_ZNK4juce11MidiMessage11isMetaEventEv(ptr noundef nonnull align 8 dereferenceable(20) %7) #3
  br i1 %10, label %11, label %13

11:                                               ; preds = %9, %.lr.ph.split.us
  %12 = tail call noundef ptr @_ZN4juce19MidiMessageSequence8addEventERKNS_11MidiMessageEd(ptr noundef nonnull align 8 dereferenceable(24) %2, ptr noundef nonnull align 8 dereferenceable(20) %7, double noundef 0.000000e+00)
  br label %13

13:                                               ; preds = %11, %9
  %14 = add nuw nsw i32 %.09.us, 1
  %15 = tail call noundef i32 @_ZNK4juce10OwnedArrayINS_19MidiMessageSequence15MidiEventHolderENS_20DummyCriticalSectionEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(20) %0) #3
  %16 = icmp slt i32 %14, %15
  br i1 %16, label %.lr.ph.split.us, label %._crit_edge, !llvm.loop !5

._crit_edge:                                      ; preds = %21, %13, %4
  ret void

.lr.ph.split:                                     ; preds = %.lr.ph, %21
  %.09 = phi i32 [ %22, %21 ], [ 0, %.lr.ph ]
  %17 = tail call noundef ptr @_ZNK4juce10OwnedArrayINS_19MidiMessageSequence15MidiEventHolderENS_20DummyCriticalSectionEE12getUncheckedEi(ptr noundef nonnull align 8 dereferenceable(20) %0, i32 noundef %.09) #3
  %18 = tail call noundef zeroext i1 @_ZNK4juce11MidiMessage12isForChannelEi(ptr noundef nonnull align 8 dereferenceable(20) %17, i32 noundef %1) #3
  br i1 %18, label %19, label %21

19:                                               ; preds = %.lr.ph.split
  %20 = tail call noundef ptr @_ZN4juce19MidiMessageSequence8addEventERKNS_11MidiMessageEd(ptr noundef nonnull align 8 dereferenceable(24) %2, ptr noundef nonnull align 8 dereferenceable(20) %17, double noundef 0.000000e+00)
  br label %21

21:                                               ; preds = %.lr.ph.split, %19
  %22 = add nuw nsw i32 %.09, 1
  %23 = tail call noundef i32 @_ZNK4juce10OwnedArrayINS_19MidiMessageSequence15MidiEventHolderENS_20DummyCriticalSectionEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(20) %0) #3
  %24 = icmp slt i32 %22, %23
  br i1 %24, label %.lr.ph.split, label %._crit_edge, !llvm.loop !5
}

attributes #0 = { 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 #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 = distinct !{!5, !6}
!6 = !{!"llvm.loop.mustprogress"}


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