; LLVM IR from VoidRune/Audio-engine :: src (minivorbis)

; 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.ogg_stream_state = type { ptr, i64, i64, i64, ptr, ptr, i64, i64, i64, i64, [282 x i8], i32, i32, i32, i64, i64, i64, i64 }

; 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
declare dso_local i32 @ogg_stream_check(ptr noundef) #1

; Function Attrs: nounwind uwtable
declare hidden i32 @ogg_stream_flush_i(ptr noundef, ptr noundef, i32 noundef, i32 noundef) #1

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

11:                                               ; preds = %2
  store i32 0, ptr %3, align 4
  store i32 1, ptr %7, align 4
  br label %38

12:                                               ; preds = %2
  %13 = load ptr, ptr %4, align 8, !tbaa !5
  %14 = getelementptr inbounds %struct.ogg_stream_state, ptr %13, i32 0, i32 12
  %15 = load i32, ptr %14, align 8, !tbaa !11
  %16 = icmp ne i32 %15, 0
  br i1 %16, label %17, label %22

17:                                               ; preds = %12
  %18 = load ptr, ptr %4, align 8, !tbaa !5
  %19 = getelementptr inbounds %struct.ogg_stream_state, ptr %18, i32 0, i32 7
  %20 = load i64, ptr %19, align 8, !tbaa !14
  %21 = icmp ne i64 %20, 0
  br i1 %21, label %32, label %22

22:                                               ; preds = %17, %12
  %23 = load ptr, ptr %4, align 8, !tbaa !5
  %24 = getelementptr inbounds %struct.ogg_stream_state, ptr %23, i32 0, i32 7
  %25 = load i64, ptr %24, align 8, !tbaa !14
  %26 = icmp ne i64 %25, 0
  br i1 %26, label %27, label %33

27:                                               ; preds = %22
  %28 = load ptr, ptr %4, align 8, !tbaa !5
  %29 = getelementptr inbounds %struct.ogg_stream_state, ptr %28, i32 0, i32 13
  %30 = load i32, ptr %29, align 4, !tbaa !15
  %31 = icmp ne i32 %30, 0
  br i1 %31, label %33, label %32

32:                                               ; preds = %27, %17
  store i32 1, ptr %6, align 4, !tbaa !9
  br label %33

33:                                               ; preds = %32, %27, %22
  %34 = load ptr, ptr %4, align 8, !tbaa !5
  %35 = load ptr, ptr %5, align 8, !tbaa !5
  %36 = load i32, ptr %6, align 4, !tbaa !9
  %37 = call i32 @ogg_stream_flush_i(ptr noundef %34, ptr noundef %35, i32 noundef %36, i32 noundef 4096)
  store i32 %37, ptr %3, align 4
  store i32 1, ptr %7, align 4
  br label %38

38:                                               ; preds = %33, %11
  call void @llvm.lifetime.end.p0(i64 4, ptr %6) #2
  %39 = load i32, ptr %3, align 4
  ret i32 %39
}

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 = { 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 = !{!"int", !7, i64 0}
!11 = !{!12, !10, i64 368}
!12 = !{!"", !6, i64 0, !13, i64 8, !13, i64 16, !13, i64 24, !6, i64 32, !6, i64 40, !13, i64 48, !13, i64 56, !13, i64 64, !13, i64 72, !7, i64 80, !10, i64 364, !10, i64 368, !10, i64 372, !13, i64 376, !13, i64 384, !13, i64 392, !13, i64 400}
!13 = !{!"long", !7, i64 0}
!14 = !{!12, !13, i64 56}
!15 = !{!12, !10, i64 372}


; 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 @ogg_stream_check(ptr noundef) local_unnamed_addr #0

; Function Attrs: nounwind uwtable
declare hidden i32 @ogg_stream_flush_i(ptr noundef, ptr noundef, i32 noundef, i32 noundef) local_unnamed_addr #0

; Function Attrs: nounwind uwtable
define dso_local i32 @ogg_stream_pageout(ptr noundef %0, ptr noundef %1) local_unnamed_addr #0 {
  %3 = tail call i32 @ogg_stream_check(ptr noundef %0)
  %.not = icmp eq i32 %3, 0
  br i1 %.not, label %4, label %15

4:                                                ; preds = %2
  %5 = getelementptr inbounds i8, ptr %0, i64 368
  %6 = load i32, ptr %5, align 8, !tbaa !5
  %.not9 = icmp eq i32 %6, 0
  %.phi.trans.insert = getelementptr inbounds i8, ptr %0, i64 56
  %.pre = load i64, ptr %.phi.trans.insert, align 8, !tbaa !12
  %7 = icmp eq i64 %.pre, 0
  br i1 %.not9, label %9, label %8

8:                                                ; preds = %4
  br i1 %7, label %.thread, label %13

9:                                                ; preds = %4
  br i1 %7, label %.thread, label %10

10:                                               ; preds = %9
  %11 = getelementptr inbounds i8, ptr %0, i64 372
  %12 = load i32, ptr %11, align 4, !tbaa !13
  %.not12 = icmp eq i32 %12, 0
  br i1 %.not12, label %13, label %.thread

13:                                               ; preds = %10, %8
  br label %.thread

.thread:                                          ; preds = %8, %13, %10, %9
  %.0 = phi i32 [ 1, %13 ], [ 0, %10 ], [ 0, %9 ], [ 0, %8 ]
  %14 = tail call i32 @ogg_stream_flush_i(ptr noundef nonnull %0, ptr noundef %1, i32 noundef %.0, i32 noundef 4096)
  br label %15

15:                                               ; preds = %2, %.thread
  %.08 = phi i32 [ %14, %.thread ], [ 0, %2 ]
  ret i32 %.08
}

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" }

!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, !11, i64 368}
!6 = !{!"", !7, i64 0, !10, i64 8, !10, i64 16, !10, i64 24, !7, i64 32, !7, i64 40, !10, i64 48, !10, i64 56, !10, i64 64, !10, i64 72, !8, i64 80, !11, i64 364, !11, i64 368, !11, i64 372, !10, i64 376, !10, i64 384, !10, i64 392, !10, i64 400}
!7 = !{!"any pointer", !8, i64 0}
!8 = !{!"omnipotent char", !9, i64 0}
!9 = !{!"Simple C/C++ TBAA"}
!10 = !{!"long", !8, i64 0}
!11 = !{!"int", !8, i64 0}
!12 = !{!6, !10, i64 56}
!13 = !{!6, !11, i64 372}


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