; LLVM IR from TobiasKozel/VAE :: external/portaudio/qa/loopback/src (audio_analyzer)

; 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"

%struct.PaQaRecording_s = type { i32, ptr, i32, i32 }

; 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: nounwind uwtable
define dso_local void @PaQa_FilterRecording(ptr noundef %0, ptr noundef %1, ptr noundef %2) #1 {
  %4 = alloca ptr, align 8
  %5 = alloca ptr, align 8
  %6 = alloca ptr, align 8
  %7 = alloca i32, align 4
  store ptr %0, ptr %4, align 8, !tbaa !5
  store ptr %1, ptr %5, align 8, !tbaa !5
  store ptr %2, ptr %6, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 4, ptr %7) #3
  %8 = load ptr, ptr %4, align 8, !tbaa !5
  %9 = getelementptr inbounds %struct.PaQaRecording_s, ptr %8, i32 0, i32 2
  %10 = load i32, ptr %9, align 8, !tbaa !9
  %11 = load ptr, ptr %5, align 8, !tbaa !5
  %12 = getelementptr inbounds %struct.PaQaRecording_s, ptr %11, i32 0, i32 0
  %13 = load i32, ptr %12, align 8, !tbaa !12
  %14 = icmp sgt i32 %10, %13
  br i1 %14, label %15, label %19

15:                                               ; preds = %3
  %16 = load ptr, ptr %5, align 8, !tbaa !5
  %17 = getelementptr inbounds %struct.PaQaRecording_s, ptr %16, i32 0, i32 0
  %18 = load i32, ptr %17, align 8, !tbaa !12
  br label %23

19:                                               ; preds = %3
  %20 = load ptr, ptr %4, align 8, !tbaa !5
  %21 = getelementptr inbounds %struct.PaQaRecording_s, ptr %20, i32 0, i32 2
  %22 = load i32, ptr %21, align 8, !tbaa !9
  br label %23

23:                                               ; preds = %19, %15
  %24 = phi i32 [ %18, %15 ], [ %22, %19 ]
  store i32 %24, ptr %7, align 4, !tbaa !13
  %25 = load ptr, ptr %6, align 8, !tbaa !5
  %26 = load ptr, ptr %4, align 8, !tbaa !5
  %27 = getelementptr inbounds %struct.PaQaRecording_s, ptr %26, i32 0, i32 1
  %28 = load ptr, ptr %27, align 8, !tbaa !14
  %29 = getelementptr inbounds float, ptr %28, i64 0
  %30 = load ptr, ptr %5, align 8, !tbaa !5
  %31 = getelementptr inbounds %struct.PaQaRecording_s, ptr %30, i32 0, i32 1
  %32 = load ptr, ptr %31, align 8, !tbaa !14
  %33 = getelementptr inbounds float, ptr %32, i64 0
  %34 = load i32, ptr %7, align 4, !tbaa !13
  call void @BiquadFilter_Filter(ptr noundef %25, ptr noundef %29, ptr noundef %33, i32 noundef %34)
  %35 = load i32, ptr %7, align 4, !tbaa !13
  %36 = load ptr, ptr %5, align 8, !tbaa !5
  %37 = getelementptr inbounds %struct.PaQaRecording_s, ptr %36, i32 0, i32 2
  store i32 %35, ptr %37, align 8, !tbaa !9
  call void @llvm.lifetime.end.p0(i64 4, ptr %7) #3
  ret void
}

declare void @BiquadFilter_Filter(ptr noundef, ptr noundef, ptr noundef, i32 noundef) #2

attributes #0 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { 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 = { "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/C++ TBAA"}
!9 = !{!10, !11, i64 16}
!10 = !{!"PaQaRecording_s", !11, i64 0, !6, i64 8, !11, i64 16, !11, i64 20}
!11 = !{!"int", !7, i64 0}
!12 = !{!10, !11, i64 0}
!13 = !{!11, !11, i64 0}
!14 = !{!10, !6, i64 8}


; 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: nounwind uwtable
define dso_local void @PaQa_FilterRecording(ptr nocapture noundef readonly %0, ptr nocapture noundef %1, ptr noundef %2) local_unnamed_addr #0 {
  %4 = getelementptr inbounds i8, ptr %0, i64 16
  %5 = load i32, ptr %4, align 8, !tbaa !5
  %6 = load i32, ptr %1, align 8, !tbaa !11
  %. = tail call i32 @llvm.smin.i32(i32 %5, i32 %6)
  %7 = getelementptr inbounds i8, ptr %0, i64 8
  %8 = load ptr, ptr %7, align 8, !tbaa !12
  %9 = getelementptr inbounds i8, ptr %1, i64 8
  %10 = load ptr, ptr %9, align 8, !tbaa !12
  tail call void @BiquadFilter_Filter(ptr noundef %2, ptr noundef %8, ptr noundef %10, i32 noundef %.) #3
  %11 = getelementptr inbounds i8, ptr %1, i64 16
  store i32 %., ptr %11, align 8, !tbaa !5
  ret void
}

declare void @BiquadFilter_Filter(ptr noundef, ptr noundef, ptr noundef, i32 noundef) local_unnamed_addr #1

; Function Attrs: nocallback nofree nosync nounwind speculatable willreturn memory(none)
declare i32 @llvm.smin.i32(i32, i32) #2

attributes #0 = { 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 = { "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 = { nocallback nofree nosync nounwind speculatable willreturn memory(none) }
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, !7, i64 16}
!6 = !{!"PaQaRecording_s", !7, i64 0, !10, i64 8, !7, i64 16, !7, i64 20}
!7 = !{!"int", !8, i64 0}
!8 = !{!"omnipotent char", !9, i64 0}
!9 = !{!"Simple C/C++ TBAA"}
!10 = !{!"any pointer", !8, i64 0}
!11 = !{!6, !7, i64 0}
!12 = !{!6, !10, i64 8}


; Effective O3 passes: EarlyCSEPass,GlobalOptPass,InferFunctionAttrsPass,InstCombinePass,PostOrderFunctionAttrsPass,SROAPass,SimplifyCFGPass,TailCallElimPass