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

; 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::AudioThumbnailCache" = type <{ ptr, %"class.juce::TimeSliceThread", %"class.juce::OwnedArray.132", %"class.juce::CriticalSection", i32, [4 x i8] }>
%"class.juce::TimeSliceThread" = type { %"class.juce::Thread.base", %"class.juce::CriticalSection", %"class.juce::CriticalSection", %"class.juce::Array.127", ptr }
%"class.juce::Thread.base" = type <{ ptr, %"class.juce::String", ptr, ptr, %"class.juce::CriticalSection", %"class.juce::WaitableEvent", %"class.juce::WaitableEvent", i32, [4 x i8], i64, i32, i8 }>
%"class.juce::String" = type { %"class.juce::CharPointer_UTF8" }
%"class.juce::CharPointer_UTF8" = type { ptr }
%"class.juce::WaitableEvent" = type <{ %union.pthread_cond_t, %union.pthread_mutex_t, i8, i8, [6 x i8] }>
%union.pthread_cond_t = type { %struct.__pthread_cond_s }
%struct.__pthread_cond_s = type { %union.__atomic_wide_counter, %union.__atomic_wide_counter, [2 x i32], [2 x i32], i32, i32, [2 x i32] }
%union.__atomic_wide_counter = type { i64 }
%union.pthread_mutex_t = type { %struct.__pthread_mutex_s }
%struct.__pthread_mutex_s = type { i32, i32, i32, i32, i32, i16, i16, %struct.__pthread_internal_list }
%struct.__pthread_internal_list = type { ptr, ptr }
%"class.juce::Array.127" = type { %"class.juce::ArrayAllocationBase.128", i32, [4 x i8] }
%"class.juce::ArrayAllocationBase.128" = type <{ %"class.juce::HeapBlock.129", i32, [4 x i8] }>
%"class.juce::HeapBlock.129" = type { ptr }
%"class.juce::OwnedArray.132" = type { %"class.juce::ArrayAllocationBase.133", i32, [4 x i8] }
%"class.juce::ArrayAllocationBase.133" = type <{ %"class.juce::HeapBlock.134", i32, [4 x i8] }>
%"class.juce::HeapBlock.134" = type { ptr }
%"class.juce::CriticalSection" = type { %union.pthread_mutex_t }
%"class.juce::AudioThumbnailCache::ThumbnailCacheEntry" = type { i64, i32, %"class.juce::MemoryBlock" }
%"class.juce::MemoryBlock" = type { %"class.juce::HeapBlock.143", i64 }
%"class.juce::HeapBlock.143" = 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: inlinehint mustprogress nounwind uwtable
declare dso_local noundef i32 @_ZNK4juce10OwnedArrayINS_19AudioThumbnailCache19ThumbnailCacheEntryENS_20DummyCriticalSectionEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(20)) #1 align 2

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local noundef ptr @_ZNK4juce10OwnedArrayINS_19AudioThumbnailCache19ThumbnailCacheEntryENS_20DummyCriticalSectionEE12getUncheckedEi(ptr noundef nonnull align 8 dereferenceable(20), i32 noundef) #1 align 2

; Function Attrs: mustprogress nounwind uwtable
define dso_local noundef i32 @_ZNK4juce19AudioThumbnailCache15findOldestThumbEv(ptr noundef nonnull align 8 dereferenceable(476) %0) #2 align 2 {
  %2 = alloca ptr, align 8
  %3 = alloca i32, align 4
  %4 = alloca i32, align 4
  %5 = alloca i32, align 4
  %6 = alloca ptr, align 8
  store ptr %0, ptr %2, align 8, !tbaa !5
  %7 = load ptr, ptr %2, align 8
  call void @llvm.lifetime.start.p0(i64 4, ptr %3) #4
  store i32 0, ptr %3, align 4, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 4, ptr %4) #4
  %8 = call noundef i32 @_ZN4juce4Time21getMillisecondCounterEv() #4
  %9 = add i32 %8, 1
  store i32 %9, ptr %4, align 4, !tbaa !9
  call void @llvm.lifetime.start.p0(i64 4, ptr %5) #4
  %10 = getelementptr inbounds %"class.juce::AudioThumbnailCache", ptr %7, i32 0, i32 2
  %11 = call noundef i32 @_ZNK4juce10OwnedArrayINS_19AudioThumbnailCache19ThumbnailCacheEntryENS_20DummyCriticalSectionEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(20) %10) #4
  store i32 %11, ptr %5, align 4, !tbaa !9
  br label %12

12:                                               ; preds = %31, %1
  %13 = load i32, ptr %5, align 4, !tbaa !9
  %14 = add nsw i32 %13, -1
  store i32 %14, ptr %5, align 4, !tbaa !9
  %15 = icmp sge i32 %14, 0
  br i1 %15, label %17, label %16

16:                                               ; preds = %12
  call void @llvm.lifetime.end.p0(i64 4, ptr %5) #4
  br label %32

17:                                               ; preds = %12
  call void @llvm.lifetime.start.p0(i64 8, ptr %6) #4
  %18 = getelementptr inbounds %"class.juce::AudioThumbnailCache", ptr %7, i32 0, i32 2
  %19 = load i32, ptr %5, align 4, !tbaa !9
  %20 = call noundef ptr @_ZNK4juce10OwnedArrayINS_19AudioThumbnailCache19ThumbnailCacheEntryENS_20DummyCriticalSectionEE12getUncheckedEi(ptr noundef nonnull align 8 dereferenceable(20) %18, i32 noundef %19) #4
  store ptr %20, ptr %6, align 8, !tbaa !5
  %21 = load ptr, ptr %6, align 8, !tbaa !5
  %22 = getelementptr inbounds %"class.juce::AudioThumbnailCache::ThumbnailCacheEntry", ptr %21, i32 0, i32 1
  %23 = load i32, ptr %22, align 8, !tbaa !11
  %24 = load i32, ptr %4, align 4, !tbaa !9
  %25 = icmp ult i32 %23, %24
  br i1 %25, label %26, label %31

26:                                               ; preds = %17
  %27 = load i32, ptr %5, align 4, !tbaa !9
  store i32 %27, ptr %3, align 4, !tbaa !9
  %28 = load ptr, ptr %6, align 8, !tbaa !5
  %29 = getelementptr inbounds %"class.juce::AudioThumbnailCache::ThumbnailCacheEntry", ptr %28, i32 0, i32 1
  %30 = load i32, ptr %29, align 8, !tbaa !11
  store i32 %30, ptr %4, align 4, !tbaa !9
  br label %31

31:                                               ; preds = %26, %17
  call void @llvm.lifetime.end.p0(i64 8, ptr %6) #4
  br label %12, !llvm.loop !17

32:                                               ; preds = %16
  %33 = load i32, ptr %3, align 4, !tbaa !9
  call void @llvm.lifetime.end.p0(i64 4, ptr %4) #4
  call void @llvm.lifetime.end.p0(i64 4, ptr %3) #4
  ret i32 %33
}

; Function Attrs: nounwind
declare noundef i32 @_ZN4juce4Time21getMillisecondCounterEv() #3

attributes #0 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
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 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 "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, !10, i64 8}
!12 = !{!"_ZTSN4juce19AudioThumbnailCache19ThumbnailCacheEntryE", !13, i64 0, !10, i64 8, !14, i64 16}
!13 = !{!"long long", !7, i64 0}
!14 = !{!"_ZTSN4juce11MemoryBlockE", !15, i64 0, !16, i64 8}
!15 = !{!"_ZTSN4juce9HeapBlockIcLb0EEE", !6, i64 0}
!16 = !{!"long", !7, i64 0}
!17 = distinct !{!17, !18}
!18 = !{!"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 @_ZNK4juce10OwnedArrayINS_19AudioThumbnailCache19ThumbnailCacheEntryENS_20DummyCriticalSectionEE4sizeEv(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_19AudioThumbnailCache19ThumbnailCacheEntryENS_20DummyCriticalSectionEE12getUncheckedEi(ptr noundef nonnull align 8 dereferenceable(20), i32 noundef) local_unnamed_addr #0 align 2

; Function Attrs: mustprogress nounwind uwtable
define dso_local noundef range(i32 0, 2147483647) i32 @_ZNK4juce19AudioThumbnailCache15findOldestThumbEv(ptr noundef nonnull align 8 dereferenceable(476) %0) local_unnamed_addr #1 align 2 {
  %2 = tail call noundef i32 @_ZN4juce4Time21getMillisecondCounterEv() #4
  %3 = getelementptr inbounds i8, ptr %0, i64 408
  %4 = tail call noundef i32 @_ZNK4juce10OwnedArrayINS_19AudioThumbnailCache19ThumbnailCacheEntryENS_20DummyCriticalSectionEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(20) %3) #4
  %5 = icmp sgt i32 %4, 0
  br i1 %5, label %.lr.ph.preheader, label %._crit_edge

.lr.ph.preheader:                                 ; preds = %1
  %6 = add i32 %2, 1
  br label %.lr.ph

._crit_edge:                                      ; preds = %.lr.ph, %1
  %.0.lcssa = phi i32 [ 0, %1 ], [ %spec.select12, %.lr.ph ]
  ret i32 %.0.lcssa

.lr.ph:                                           ; preds = %.lr.ph.preheader, %.lr.ph
  %.015 = phi i32 [ %spec.select12, %.lr.ph ], [ 0, %.lr.ph.preheader ]
  %.0714 = phi i32 [ %7, %.lr.ph ], [ %4, %.lr.ph.preheader ]
  %.0813 = phi i32 [ %spec.select, %.lr.ph ], [ %6, %.lr.ph.preheader ]
  %7 = add nsw i32 %.0714, -1
  %8 = tail call noundef ptr @_ZNK4juce10OwnedArrayINS_19AudioThumbnailCache19ThumbnailCacheEntryENS_20DummyCriticalSectionEE12getUncheckedEi(ptr noundef nonnull align 8 dereferenceable(20) %3, i32 noundef %7) #4
  %9 = getelementptr inbounds i8, ptr %8, i64 8
  %10 = load i32, ptr %9, align 8, !tbaa !5
  %11 = icmp ult i32 %10, %.0813
  %spec.select = tail call i32 @llvm.umin.i32(i32 %10, i32 %.0813)
  %spec.select12 = select i1 %11, i32 %7, i32 %.015
  %12 = icmp ugt i32 %.0714, 1
  br i1 %12, label %.lr.ph, label %._crit_edge, !llvm.loop !15
}

; Function Attrs: nounwind
declare noundef i32 @_ZN4juce4Time21getMillisecondCounterEv() local_unnamed_addr #2

; Function Attrs: nocallback nofree nosync nounwind speculatable willreturn memory(none)
declare i32 @llvm.umin.i32(i32, i32) #3

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 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 "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 = { nocallback nofree nosync nounwind speculatable willreturn memory(none) }
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, !10, i64 8}
!6 = !{!"_ZTSN4juce19AudioThumbnailCache19ThumbnailCacheEntryE", !7, i64 0, !10, i64 8, !11, i64 16}
!7 = !{!"long long", !8, i64 0}
!8 = !{!"omnipotent char", !9, i64 0}
!9 = !{!"Simple C++ TBAA"}
!10 = !{!"int", !8, i64 0}
!11 = !{!"_ZTSN4juce11MemoryBlockE", !12, i64 0, !14, i64 8}
!12 = !{!"_ZTSN4juce9HeapBlockIcLb0EEE", !13, i64 0}
!13 = !{!"any pointer", !8, i64 0}
!14 = !{!"long", !8, i64 0}
!15 = distinct !{!15, !16}
!16 = !{!"llvm.loop.mustprogress"}


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