; 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: mustprogress nounwind uwtable
define dso_local noundef ptr @_ZNK4juce19AudioThumbnailCache12findThumbForEx(ptr noundef nonnull align 8 dereferenceable(476) %0, i64 noundef %1) #1 align 2 {
  %3 = alloca ptr, align 8
  %4 = alloca ptr, align 8
  %5 = alloca i64, align 8
  %6 = alloca i32, align 4
  %7 = alloca i32, align 4
  store ptr %0, ptr %4, align 8, !tbaa !5
  store i64 %1, ptr %5, align 8, !tbaa !9
  %8 = load ptr, ptr %4, align 8
  call void @llvm.lifetime.start.p0(i64 4, ptr %6) #3
  %9 = getelementptr inbounds %"class.juce::AudioThumbnailCache", ptr %8, i32 0, i32 2
  %10 = call noundef i32 @_ZNK4juce10OwnedArrayINS_19AudioThumbnailCache19ThumbnailCacheEntryENS_20DummyCriticalSectionEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(20) %9) #3
  store i32 %10, ptr %6, align 4, !tbaa !11
  br label %11

11:                                               ; preds = %28, %2
  %12 = load i32, ptr %6, align 4, !tbaa !11
  %13 = add nsw i32 %12, -1
  store i32 %13, ptr %6, align 4, !tbaa !11
  %14 = icmp sge i32 %13, 0
  br i1 %14, label %16, label %15

15:                                               ; preds = %11
  store i32 2, ptr %7, align 4
  br label %29

16:                                               ; preds = %11
  %17 = getelementptr inbounds %"class.juce::AudioThumbnailCache", ptr %8, i32 0, i32 2
  %18 = load i32, ptr %6, align 4, !tbaa !11
  %19 = call noundef ptr @_ZNK4juce10OwnedArrayINS_19AudioThumbnailCache19ThumbnailCacheEntryENS_20DummyCriticalSectionEE12getUncheckedEi(ptr noundef nonnull align 8 dereferenceable(20) %17, i32 noundef %18) #3
  %20 = getelementptr inbounds %"class.juce::AudioThumbnailCache::ThumbnailCacheEntry", ptr %19, i32 0, i32 0
  %21 = load i64, ptr %20, align 8, !tbaa !13
  %22 = load i64, ptr %5, align 8, !tbaa !9
  %23 = icmp eq i64 %21, %22
  br i1 %23, label %24, label %28

24:                                               ; preds = %16
  %25 = getelementptr inbounds %"class.juce::AudioThumbnailCache", ptr %8, i32 0, i32 2
  %26 = load i32, ptr %6, align 4, !tbaa !11
  %27 = call noundef ptr @_ZNK4juce10OwnedArrayINS_19AudioThumbnailCache19ThumbnailCacheEntryENS_20DummyCriticalSectionEE12getUncheckedEi(ptr noundef nonnull align 8 dereferenceable(20) %25, i32 noundef %26) #3
  store ptr %27, ptr %3, align 8
  store i32 1, ptr %7, align 4
  br label %29

28:                                               ; preds = %16
  br label %11, !llvm.loop !18

29:                                               ; preds = %24, %15
  call void @llvm.lifetime.end.p0(i64 4, ptr %6) #3
  %30 = load i32, ptr %7, align 4
  switch i32 %30, label %34 [
    i32 2, label %31
    i32 1, label %32
  ]

31:                                               ; preds = %29
  store ptr null, ptr %3, align 8
  br label %32

32:                                               ; preds = %31, %29
  %33 = load ptr, ptr %3, align 8
  ret ptr %33

34:                                               ; preds = %29
  unreachable
}

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local noundef i32 @_ZNK4juce10OwnedArrayINS_19AudioThumbnailCache19ThumbnailCacheEntryENS_20DummyCriticalSectionEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(20)) #2 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) #2 align 2

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 = !{!"long long", !7, i64 0}
!11 = !{!12, !12, i64 0}
!12 = !{!"int", !7, i64 0}
!13 = !{!14, !10, i64 0}
!14 = !{!"_ZTSN4juce19AudioThumbnailCache19ThumbnailCacheEntryE", !10, i64 0, !12, i64 8, !15, i64 16}
!15 = !{!"_ZTSN4juce11MemoryBlockE", !16, i64 0, !17, i64 8}
!16 = !{!"_ZTSN4juce9HeapBlockIcLb0EEE", !6, i64 0}
!17 = !{!"long", !7, i64 0}
!18 = distinct !{!18, !19}
!19 = !{!"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
define dso_local noundef ptr @_ZNK4juce19AudioThumbnailCache12findThumbForEx(ptr noundef nonnull align 8 dereferenceable(476) %0, i64 noundef %1) local_unnamed_addr #0 align 2 {
  %3 = getelementptr inbounds i8, ptr %0, i64 408
  %4 = tail call noundef i32 @_ZNK4juce10OwnedArrayINS_19AudioThumbnailCache19ThumbnailCacheEntryENS_20DummyCriticalSectionEE4sizeEv(ptr noundef nonnull align 8 dereferenceable(20) %3) #2
  br label %5

5:                                                ; preds = %7, %2
  %.06 = phi i32 [ %4, %2 ], [ %8, %7 ]
  %6 = icmp slt i32 %.06, 1
  br i1 %6, label %.loopexit, label %7

7:                                                ; preds = %5
  %8 = add nsw i32 %.06, -1
  %9 = tail call noundef ptr @_ZNK4juce10OwnedArrayINS_19AudioThumbnailCache19ThumbnailCacheEntryENS_20DummyCriticalSectionEE12getUncheckedEi(ptr noundef nonnull align 8 dereferenceable(20) %3, i32 noundef %8) #2
  %10 = load i64, ptr %9, align 8, !tbaa !5
  %11 = icmp eq i64 %10, %1
  br i1 %11, label %12, label %5, !llvm.loop !15

12:                                               ; preds = %7
  %13 = tail call noundef ptr @_ZNK4juce10OwnedArrayINS_19AudioThumbnailCache19ThumbnailCacheEntryENS_20DummyCriticalSectionEE12getUncheckedEi(ptr noundef nonnull align 8 dereferenceable(20) %3, i32 noundef %8) #2
  br label %.loopexit

.loopexit:                                        ; preds = %5, %12
  %spec.select = phi ptr [ %13, %12 ], [ null, %5 ]
  ret ptr %spec.select
}

; Function Attrs: inlinehint mustprogress nounwind uwtable
declare dso_local noundef i32 @_ZNK4juce10OwnedArrayINS_19AudioThumbnailCache19ThumbnailCacheEntryENS_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_19AudioThumbnailCache19ThumbnailCacheEntryENS_20DummyCriticalSectionEE12getUncheckedEi(ptr noundef nonnull align 8 dereferenceable(20), i32 noundef) local_unnamed_addr #1 align 2

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)"}
!5 = !{!6, !7, i64 0}
!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,LoopSimplifyPass,LoopUnrollPass,SROAPass,SimplifyCFGPass,TailCallElimPass