; LLVM IR from modlfo/AudioEngine :: AudioEngine/JuceLibraryCode/modules/juce_audio_formats/codecs/oggvorbis (vbr)

; 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"

; Function Attrs: nounwind uwtable
declare dso_local i32 @vorbis_encode_setup_init(ptr noundef) #0

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #1

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #1

; Function Attrs: nounwind uwtable
declare dso_local i32 @vorbis_encode_setup_vbr(ptr noundef, i64 noundef, i64 noundef, float noundef) #0

; Function Attrs: nounwind uwtable
define dso_local i32 @vorbis_encode_init_vbr(ptr noundef %0, i64 noundef %1, i64 noundef %2, float noundef %3) #0 {
  %5 = alloca i32, align 4
  %6 = alloca ptr, align 8
  %7 = alloca i64, align 8
  %8 = alloca i64, align 8
  %9 = alloca float, align 4
  %10 = alloca i32, align 4
  %11 = alloca i32, align 4
  store ptr %0, ptr %6, align 8, !tbaa !5
  store i64 %1, ptr %7, align 8, !tbaa !9
  store i64 %2, ptr %8, align 8, !tbaa !9
  store float %3, ptr %9, align 4, !tbaa !11
  call void @llvm.lifetime.start.p0(i64 4, ptr %10) #3
  store i32 0, ptr %10, align 4, !tbaa !13
  %12 = load ptr, ptr %6, align 8, !tbaa !5
  %13 = load i64, ptr %7, align 8, !tbaa !9
  %14 = load i64, ptr %8, align 8, !tbaa !9
  %15 = load float, ptr %9, align 4, !tbaa !11
  %16 = call i32 @vorbis_encode_setup_vbr(ptr noundef %12, i64 noundef %13, i64 noundef %14, float noundef %15)
  store i32 %16, ptr %10, align 4, !tbaa !13
  %17 = load i32, ptr %10, align 4, !tbaa !13
  %18 = icmp ne i32 %17, 0
  br i1 %18, label %19, label %22

19:                                               ; preds = %4
  %20 = load ptr, ptr %6, align 8, !tbaa !5
  call void @vorbis_info_clear(ptr noundef %20)
  %21 = load i32, ptr %10, align 4, !tbaa !13
  store i32 %21, ptr %5, align 4
  store i32 1, ptr %11, align 4
  br label %31

22:                                               ; preds = %4
  %23 = load ptr, ptr %6, align 8, !tbaa !5
  %24 = call i32 @vorbis_encode_setup_init(ptr noundef %23)
  store i32 %24, ptr %10, align 4, !tbaa !13
  %25 = load i32, ptr %10, align 4, !tbaa !13
  %26 = icmp ne i32 %25, 0
  br i1 %26, label %27, label %29

27:                                               ; preds = %22
  %28 = load ptr, ptr %6, align 8, !tbaa !5
  call void @vorbis_info_clear(ptr noundef %28)
  br label %29

29:                                               ; preds = %27, %22
  %30 = load i32, ptr %10, align 4, !tbaa !13
  store i32 %30, ptr %5, align 4
  store i32 1, ptr %11, align 4
  br label %31

31:                                               ; preds = %29, %19
  call void @llvm.lifetime.end.p0(i64 4, ptr %10) #3
  %32 = load i32, ptr %5, align 4
  ret i32 %32
}

declare void @vorbis_info_clear(ptr noundef) #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 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
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, !10, i64 0}
!10 = !{!"long", !7, i64 0}
!11 = !{!12, !12, i64 0}
!12 = !{!"float", !7, i64 0}
!13 = !{!14, !14, i64 0}
!14 = !{!"int", !7, i64 0}


; 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
declare dso_local i32 @vorbis_encode_setup_init(ptr noundef) local_unnamed_addr #0

; Function Attrs: nounwind uwtable
declare dso_local i32 @vorbis_encode_setup_vbr(ptr noundef, i64 noundef, i64 noundef, float noundef) local_unnamed_addr #0

; Function Attrs: nounwind uwtable
define dso_local i32 @vorbis_encode_init_vbr(ptr noundef %0, i64 noundef %1, i64 noundef %2, float noundef %3) local_unnamed_addr #0 {
  %5 = tail call i32 @vorbis_encode_setup_vbr(ptr noundef %0, i64 noundef %1, i64 noundef %2, float noundef %3)
  %.not = icmp eq i32 %5, 0
  br i1 %.not, label %6, label %.sink.split

6:                                                ; preds = %4
  %7 = tail call i32 @vorbis_encode_setup_init(ptr noundef %0)
  %.not12 = icmp eq i32 %7, 0
  br i1 %.not12, label %8, label %.sink.split

.sink.split:                                      ; preds = %6, %4
  %.0.ph = phi i32 [ %5, %4 ], [ %7, %6 ]
  tail call void @vorbis_info_clear(ptr noundef %0) #2
  br label %8

8:                                                ; preds = %.sink.split, %6
  %.0 = phi i32 [ 0, %6 ], [ %.0.ph, %.sink.split ]
  ret i32 %.0
}

declare void @vorbis_info_clear(ptr noundef) local_unnamed_addr #1

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 = { 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)"}


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