; LLVM IR from glaretechnologies/substrata :: resonance-audio/resonance_audio/utils (planar_interleaved_conversion)

; 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.NullLogger = type { i8 }

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #0

; Function Attrs: mustprogress uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZN10NullLogger9GetStreamEv(ptr noundef nonnull align 1 dereferenceable(1)) #1 align 2

; 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 i64 @_ZNK7vraudio11AudioBuffer12num_channelsEv(ptr noundef nonnull align 8 dereferenceable(68)) #2 align 2

; Function Attrs: mustprogress uwtable
define dso_local void @_ZN7vraudio40GetRawChannelDataPointersFromAudioBufferEPNS_11AudioBufferEPSt6vectorIPfSaIS3_EE(ptr noundef %0, ptr noundef %1) #1 {
  %3 = alloca ptr, align 8
  %4 = alloca ptr, align 8
  %5 = alloca %class.NullLogger, align 1
  %6 = alloca %class.NullLogger, align 1
  %7 = alloca %class.NullLogger, align 1
  %8 = alloca i64, align 8
  store ptr %0, ptr %3, align 8, !tbaa !5
  store ptr %1, ptr %4, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 1, ptr %5) #3
  %9 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZN10NullLogger9GetStreamEv(ptr noundef nonnull align 1 dereferenceable(1) %5)
  call void @llvm.lifetime.end.p0(i64 1, ptr %5) #3
  call void @llvm.lifetime.start.p0(i64 1, ptr %6) #3
  %10 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZN10NullLogger9GetStreamEv(ptr noundef nonnull align 1 dereferenceable(1) %6)
  call void @llvm.lifetime.end.p0(i64 1, ptr %6) #3
  call void @llvm.lifetime.start.p0(i64 1, ptr %7) #3
  %11 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZN10NullLogger9GetStreamEv(ptr noundef nonnull align 1 dereferenceable(1) %7)
  call void @llvm.lifetime.end.p0(i64 1, ptr %7) #3
  call void @llvm.lifetime.start.p0(i64 8, ptr %8) #3
  store i64 0, ptr %8, align 8, !tbaa !9
  br label %12

12:                                               ; preds = %26, %2
  %13 = load i64, ptr %8, align 8, !tbaa !9
  %14 = load ptr, ptr %3, align 8, !tbaa !5
  %15 = call noundef i64 @_ZNK7vraudio11AudioBuffer12num_channelsEv(ptr noundef nonnull align 8 dereferenceable(68) %14)
  %16 = icmp ult i64 %13, %15
  br i1 %16, label %18, label %17

17:                                               ; preds = %12
  call void @llvm.lifetime.end.p0(i64 8, ptr %8) #3
  br label %29

18:                                               ; preds = %12
  %19 = load ptr, ptr %3, align 8, !tbaa !5
  %20 = load i64, ptr %8, align 8, !tbaa !9
  %21 = call noundef nonnull align 8 dereferenceable(17) ptr @_ZN7vraudio11AudioBufferixEm(ptr noundef nonnull align 8 dereferenceable(68) %19, i64 noundef %20)
  %22 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZN7vraudio11ChannelViewixEm(ptr noundef nonnull align 8 dereferenceable(17) %21, i64 noundef 0)
  %23 = load ptr, ptr %4, align 8, !tbaa !5
  %24 = load i64, ptr %8, align 8, !tbaa !9
  %25 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIPfSaIS0_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %23, i64 noundef %24) #3
  store ptr %22, ptr %25, align 8, !tbaa !5
  br label %26

26:                                               ; preds = %18
  %27 = load i64, ptr %8, align 8, !tbaa !9
  %28 = add i64 %27, 1
  store i64 %28, ptr %8, align 8, !tbaa !9
  br label %12, !llvm.loop !11

29:                                               ; preds = %17
  ret void
}

; Function Attrs: mustprogress uwtable
declare dso_local noundef nonnull align 8 dereferenceable(17) ptr @_ZN7vraudio11AudioBufferixEm(ptr noundef nonnull align 8 dereferenceable(68), i64 noundef) #1 align 2

; Function Attrs: mustprogress uwtable
declare dso_local noundef nonnull align 4 dereferenceable(4) ptr @_ZN7vraudio11ChannelViewixEm(ptr noundef nonnull align 8 dereferenceable(17), i64 noundef) #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIPfSaIS0_EEixEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) #2 align 2

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 = { 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", !7, i64 0}
!11 = distinct !{!11, !12}
!12 = !{!"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"

%class.NullLogger = type { i8 }

; Function Attrs: mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #0

; Function Attrs: mustprogress uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZN10NullLogger9GetStreamEv(ptr noundef nonnull align 1 dereferenceable(1)) local_unnamed_addr #1 align 2

; Function Attrs: mustprogress 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 i64 @_ZNK7vraudio11AudioBuffer12num_channelsEv(ptr noundef nonnull align 8 dereferenceable(68)) local_unnamed_addr #2 align 2

; Function Attrs: mustprogress uwtable
define dso_local void @_ZN7vraudio40GetRawChannelDataPointersFromAudioBufferEPNS_11AudioBufferEPSt6vectorIPfSaIS3_EE(ptr noundef %0, ptr noundef %1) local_unnamed_addr #1 {
  %3 = alloca %class.NullLogger, align 1
  %4 = alloca %class.NullLogger, align 1
  %5 = alloca %class.NullLogger, align 1
  call void @llvm.lifetime.start.p0(i64 1, ptr nonnull %3) #3
  %6 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZN10NullLogger9GetStreamEv(ptr noundef nonnull align 1 dereferenceable(1) %3)
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %3) #3
  call void @llvm.lifetime.start.p0(i64 1, ptr nonnull %4) #3
  %7 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZN10NullLogger9GetStreamEv(ptr noundef nonnull align 1 dereferenceable(1) %4)
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %4) #3
  call void @llvm.lifetime.start.p0(i64 1, ptr nonnull %5) #3
  %8 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZN10NullLogger9GetStreamEv(ptr noundef nonnull align 1 dereferenceable(1) %5)
  call void @llvm.lifetime.end.p0(i64 1, ptr nonnull %5) #3
  %9 = call noundef i64 @_ZNK7vraudio11AudioBuffer12num_channelsEv(ptr noundef nonnull align 8 dereferenceable(68) %0)
  %.not = icmp eq i64 %9, 0
  br i1 %.not, label %._crit_edge, label %.lr.ph

._crit_edge:                                      ; preds = %.lr.ph, %2
  ret void

.lr.ph:                                           ; preds = %2, %.lr.ph
  %.06 = phi i64 [ %13, %.lr.ph ], [ 0, %2 ]
  %10 = call noundef nonnull align 8 dereferenceable(17) ptr @_ZN7vraudio11AudioBufferixEm(ptr noundef nonnull align 8 dereferenceable(68) %0, i64 noundef %.06)
  %11 = call noundef nonnull align 4 dereferenceable(4) ptr @_ZN7vraudio11ChannelViewixEm(ptr noundef nonnull align 8 dereferenceable(17) %10, i64 noundef 0)
  %12 = call noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIPfSaIS0_EEixEm(ptr noundef nonnull align 8 dereferenceable(24) %1, i64 noundef %.06) #3
  store ptr %11, ptr %12, align 8, !tbaa !5
  %13 = add nuw i64 %.06, 1
  %14 = call noundef i64 @_ZNK7vraudio11AudioBuffer12num_channelsEv(ptr noundef nonnull align 8 dereferenceable(68) %0)
  %15 = icmp ult i64 %13, %14
  br i1 %15, label %.lr.ph, label %._crit_edge, !llvm.loop !9
}

; Function Attrs: mustprogress uwtable
declare dso_local noundef nonnull align 8 dereferenceable(17) ptr @_ZN7vraudio11AudioBufferixEm(ptr noundef nonnull align 8 dereferenceable(68), i64 noundef) local_unnamed_addr #1 align 2

; Function Attrs: mustprogress uwtable
declare dso_local noundef nonnull align 4 dereferenceable(4) ptr @_ZN7vraudio11ChannelViewixEm(ptr noundef nonnull align 8 dereferenceable(17), i64 noundef) local_unnamed_addr #1 align 2

; Function Attrs: mustprogress nounwind uwtable
declare dso_local noundef nonnull align 8 dereferenceable(8) ptr @_ZNSt6vectorIPfSaIS0_EEixEm(ptr noundef nonnull align 8 dereferenceable(24), i64 noundef) local_unnamed_addr #2 align 2

attributes #0 = { mustprogress 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 = { 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 = distinct !{!9, !10}
!10 = !{!"llvm.loop.mustprogress"}


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