; 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::IIRFilterAudioSource" = type { %"class.juce::AudioSource", %"class.juce::OptionalScopedPointer.85", %"class.juce::OwnedArray.94" }
%"class.juce::AudioSource" = type { ptr }
%"class.juce::OptionalScopedPointer.85" = type <{ %"class.juce::ScopedPointer.86", i8, [7 x i8] }>
%"class.juce::ScopedPointer.86" = type { ptr }
%"class.juce::OwnedArray.94" = type { %"class.juce::ArrayAllocationBase.95", i32, [4 x i8] }
%"class.juce::ArrayAllocationBase.95" = type <{ %"class.juce::HeapBlock.96", i32, [4 x i8] }>
%"class.juce::HeapBlock.96" = 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 void @_ZN4juce9IIRFilter5resetEv(ptr noundef nonnull align 8 dereferenceable(37)) #1 align 2

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local noundef ptr @_ZNK4juce21OptionalScopedPointerINS_11AudioSourceEEptEv(ptr noundef nonnull align 8 dereferenceable(9)) #2 align 2

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local noundef i32 @_ZNK4juce10OwnedArrayINS_9IIRFilterENS_20DummyCriticalSectionEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(20)) #2 align 2

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local noundef ptr @_ZNK4juce10OwnedArrayINS_9IIRFilterENS_20DummyCriticalSectionEE12getUncheckedEi(ptr noundef nonnull align 8 dereferenceable(20), i32 noundef) #2 align 2

; Function Attrs: mustprogress uwtable
define dso_local void @_ZN4juce20IIRFilterAudioSource13prepareToPlayEid(ptr noundef nonnull align 8 dereferenceable(48) %0, i32 noundef %1, double noundef %2) unnamed_addr #3 align 2 {
  %4 = alloca ptr, align 8
  %5 = alloca i32, align 4
  %6 = alloca double, 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
  store double %2, ptr %6, align 8, !tbaa !11
  %8 = load ptr, ptr %4, align 8
  %9 = getelementptr inbounds %"class.juce::IIRFilterAudioSource", ptr %8, i32 0, i32 1
  %10 = call noundef ptr @_ZNK4juce21OptionalScopedPointerINS_11AudioSourceEEptEv(ptr noundef nonnull align 8 dereferenceable(9) %9) #4
  %11 = load i32, ptr %5, align 4, !tbaa !9
  %12 = load double, ptr %6, align 8, !tbaa !11
  %13 = load ptr, ptr %10, align 8, !tbaa !13
  %14 = getelementptr inbounds ptr, ptr %13, i64 2
  %15 = load ptr, ptr %14, align 8
  call void %15(ptr noundef nonnull align 8 dereferenceable(8) %10, i32 noundef %11, double noundef %12)
  call void @llvm.lifetime.start.p0(i64 4, ptr %7) #4
  %16 = getelementptr inbounds %"class.juce::IIRFilterAudioSource", ptr %8, i32 0, i32 2
  %17 = call noundef i32 @_ZNK4juce10OwnedArrayINS_9IIRFilterENS_20DummyCriticalSectionEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(20) %16) #4
  store i32 %17, ptr %7, align 4, !tbaa !9
  br label %18

18:                                               ; preds = %23, %3
  %19 = load i32, ptr %7, align 4, !tbaa !9
  %20 = add nsw i32 %19, -1
  store i32 %20, ptr %7, align 4, !tbaa !9
  %21 = icmp sge i32 %20, 0
  br i1 %21, label %23, label %22

22:                                               ; preds = %18
  call void @llvm.lifetime.end.p0(i64 4, ptr %7) #4
  br label %27

23:                                               ; preds = %18
  %24 = getelementptr inbounds %"class.juce::IIRFilterAudioSource", ptr %8, i32 0, i32 2
  %25 = load i32, ptr %7, align 4, !tbaa !9
  %26 = call noundef ptr @_ZNK4juce10OwnedArrayINS_9IIRFilterENS_20DummyCriticalSectionEE12getUncheckedEi(ptr noundef nonnull align 8 dereferenceable(20) %24, i32 noundef %25) #4
  call void @_ZN4juce9IIRFilter5resetEv(ptr noundef nonnull align 8 dereferenceable(37) %26) #4
  br label %18, !llvm.loop !15

27:                                               ; preds = %22
  ret void
}

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 = { 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 #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 = !{!"double", !7, i64 0}
!13 = !{!14, !14, i64 0}
!14 = !{!"vtable pointer", !8, i64 0}
!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 nounwind uwtable
declare dso_local void @_ZN4juce9IIRFilter5resetEv(ptr noundef nonnull align 8 dereferenceable(37)) local_unnamed_addr #0 align 2

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local noundef ptr @_ZNK4juce21OptionalScopedPointerINS_11AudioSourceEEptEv(ptr noundef nonnull align 8 dereferenceable(9)) local_unnamed_addr #1 align 2

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local noundef i32 @_ZNK4juce10OwnedArrayINS_9IIRFilterENS_20DummyCriticalSectionEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(20)) local_unnamed_addr #1 align 2

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local noundef ptr @_ZNK4juce10OwnedArrayINS_9IIRFilterENS_20DummyCriticalSectionEE12getUncheckedEi(ptr noundef nonnull align 8 dereferenceable(20), i32 noundef) local_unnamed_addr #1 align 2

; Function Attrs: mustprogress uwtable
define dso_local void @_ZN4juce20IIRFilterAudioSource13prepareToPlayEid(ptr noundef nonnull align 8 dereferenceable(48) %0, i32 noundef %1, double noundef %2) unnamed_addr #2 align 2 {
  %4 = getelementptr inbounds i8, ptr %0, i64 8
  %5 = tail call noundef ptr @_ZNK4juce21OptionalScopedPointerINS_11AudioSourceEEptEv(ptr noundef nonnull align 8 dereferenceable(9) %4) #3
  %6 = load ptr, ptr %5, align 8, !tbaa !5
  %7 = getelementptr inbounds i8, ptr %6, i64 16
  %8 = load ptr, ptr %7, align 8
  tail call void %8(ptr noundef nonnull align 8 dereferenceable(8) %5, i32 noundef %1, double noundef %2)
  %9 = getelementptr inbounds i8, ptr %0, i64 24
  %10 = tail call noundef i32 @_ZNK4juce10OwnedArrayINS_9IIRFilterENS_20DummyCriticalSectionEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(20) %9) #3
  %11 = icmp sgt i32 %10, 0
  br i1 %11, label %.lr.ph, label %._crit_edge

._crit_edge:                                      ; preds = %.lr.ph, %3
  ret void

.lr.ph:                                           ; preds = %3, %.lr.ph
  %.05 = phi i32 [ %12, %.lr.ph ], [ %10, %3 ]
  %12 = add nsw i32 %.05, -1
  %13 = tail call noundef ptr @_ZNK4juce10OwnedArrayINS_9IIRFilterENS_20DummyCriticalSectionEE12getUncheckedEi(ptr noundef nonnull align 8 dereferenceable(20) %9, i32 noundef %12) #3
  tail call void @_ZN4juce9IIRFilter5resetEv(ptr noundef nonnull align 8 dereferenceable(37) %13) #3
  %14 = icmp ugt i32 %.05, 1
  br i1 %14, label %.lr.ph, label %._crit_edge, !llvm.loop !8
}

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


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