; LLVM IR from SelfishOlex/MiniAudioO3DE :: MiniAudio/Code/Source/Clients (MiniAudioImplementation)

; 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.ma_pcm_rb = type { %struct.ma_rb, i32, i32 }
%struct.ma_rb = type { ptr, i32, i32, i32, i32, i32, i8, i8, %struct.ma_allocation_callbacks }
%struct.ma_allocation_callbacks = type { ptr, ptr, ptr, 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 uwtable
declare dso_local i32 @ma_rb_acquire_write(ptr noundef, ptr noundef, ptr noundef) #1

; Function Attrs: alwaysinline mustprogress nounwind uwtable
declare hidden noundef i32 @_ZL17ma_pcm_rb_get_bpfP9ma_pcm_rb(ptr noundef) #2

; Function Attrs: mustprogress uwtable
define dso_local i32 @ma_pcm_rb_acquire_write(ptr noundef %0, ptr noundef %1, ptr noundef %2) #1 {
  %4 = alloca i32, align 4
  %5 = alloca ptr, align 8
  %6 = alloca ptr, align 8
  %7 = alloca ptr, align 8
  %8 = alloca i64, align 8
  %9 = alloca i32, align 4
  %10 = alloca i32, align 4
  store ptr %0, ptr %5, align 8, !tbaa !5
  store ptr %1, ptr %6, align 8, !tbaa !5
  store ptr %2, ptr %7, align 8, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %8) #3
  call void @llvm.lifetime.start.p0(i64 4, ptr %9) #3
  %11 = load ptr, ptr %5, align 8, !tbaa !5
  %12 = icmp eq ptr %11, null
  br i1 %12, label %13, label %14

13:                                               ; preds = %3
  store i32 -2, ptr %4, align 4
  store i32 1, ptr %10, align 4
  br label %37

14:                                               ; preds = %3
  %15 = load ptr, ptr %6, align 8, !tbaa !5
  %16 = load i32, ptr %15, align 4, !tbaa !9
  %17 = load ptr, ptr %5, align 8, !tbaa !5
  %18 = call noundef i32 @_ZL17ma_pcm_rb_get_bpfP9ma_pcm_rb(ptr noundef %17)
  %19 = mul i32 %16, %18
  %20 = zext i32 %19 to i64
  store i64 %20, ptr %8, align 8, !tbaa !11
  %21 = load ptr, ptr %5, align 8, !tbaa !5
  %22 = getelementptr inbounds %struct.ma_pcm_rb, ptr %21, i32 0, i32 0
  %23 = load ptr, ptr %7, align 8, !tbaa !5
  %24 = call i32 @ma_rb_acquire_write(ptr noundef %22, ptr noundef %8, ptr noundef %23)
  store i32 %24, ptr %9, align 4, !tbaa !13
  %25 = load i32, ptr %9, align 4, !tbaa !13
  %26 = icmp ne i32 %25, 0
  br i1 %26, label %27, label %29

27:                                               ; preds = %14
  %28 = load i32, ptr %9, align 4, !tbaa !13
  store i32 %28, ptr %4, align 4
  store i32 1, ptr %10, align 4
  br label %37

29:                                               ; preds = %14
  %30 = load i64, ptr %8, align 8, !tbaa !11
  %31 = load ptr, ptr %5, align 8, !tbaa !5
  %32 = call noundef i32 @_ZL17ma_pcm_rb_get_bpfP9ma_pcm_rb(ptr noundef %31)
  %33 = zext i32 %32 to i64
  %34 = udiv i64 %30, %33
  %35 = trunc i64 %34 to i32
  %36 = load ptr, ptr %6, align 8, !tbaa !5
  store i32 %35, ptr %36, align 4, !tbaa !9
  store i32 0, ptr %4, align 4
  store i32 1, ptr %10, align 4
  br label %37

37:                                               ; preds = %29, %27, %13
  call void @llvm.lifetime.end.p0(i64 4, ptr %9) #3
  call void @llvm.lifetime.end.p0(i64 8, ptr %8) #3
  %38 = load i32, ptr %4, align 4
  ret i32 %38
}

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 = { alwaysinline 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 = !{!"int", !7, i64 0}
!11 = !{!12, !12, i64 0}
!12 = !{!"long", !7, i64 0}
!13 = !{!14, !14, i64 0}
!14 = !{!"_ZTS9ma_result", !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: mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.start.p0(i64 immarg, ptr nocapture) #0

; 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 uwtable
declare dso_local i32 @ma_rb_acquire_write(ptr noundef, ptr noundef, ptr noundef) local_unnamed_addr #1

; Function Attrs: alwaysinline mustprogress nounwind uwtable
declare hidden noundef i32 @_ZL17ma_pcm_rb_get_bpfP9ma_pcm_rb(ptr noundef) local_unnamed_addr #2

; Function Attrs: mustprogress uwtable
define dso_local i32 @ma_pcm_rb_acquire_write(ptr noundef %0, ptr nocapture noundef %1, ptr noundef %2) local_unnamed_addr #1 {
  %4 = alloca i64, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %4) #3
  %5 = icmp eq ptr %0, null
  br i1 %5, label %18, label %6

6:                                                ; preds = %3
  %7 = load i32, ptr %1, align 4, !tbaa !5
  %8 = tail call noundef i32 @_ZL17ma_pcm_rb_get_bpfP9ma_pcm_rb(ptr noundef nonnull %0)
  %9 = mul i32 %8, %7
  %10 = zext i32 %9 to i64
  store i64 %10, ptr %4, align 8, !tbaa !9
  %11 = call i32 @ma_rb_acquire_write(ptr noundef nonnull %0, ptr noundef nonnull %4, ptr noundef %2)
  %.not = icmp eq i32 %11, 0
  br i1 %.not, label %12, label %18

12:                                               ; preds = %6
  %13 = load i64, ptr %4, align 8, !tbaa !9
  %14 = call noundef i32 @_ZL17ma_pcm_rb_get_bpfP9ma_pcm_rb(ptr noundef nonnull %0)
  %15 = zext i32 %14 to i64
  %16 = udiv i64 %13, %15
  %17 = trunc i64 %16 to i32
  store i32 %17, ptr %1, align 4, !tbaa !5
  br label %18

18:                                               ; preds = %6, %3, %12
  %.0 = phi i32 [ 0, %12 ], [ -2, %3 ], [ %11, %6 ]
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %4) #3
  ret i32 %.0
}

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 = { alwaysinline 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 = !{!"int", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}
!9 = !{!10, !10, i64 0}
!10 = !{!"long", !7, i64 0}


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