; LLVM IR from TobiasKozel/VAE :: external/portaudio/src/os/unix (pa_unix_util)

; 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.PaUtilThreading = type { 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
declare void @free(ptr noundef) #1

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

11:                                               ; preds = %3
  %12 = load ptr, ptr %6, align 8, !tbaa !5
  store i32 0, ptr %12, align 4, !tbaa !9
  br label %13

13:                                               ; preds = %11, %3
  %14 = load i32, ptr %5, align 4, !tbaa !9
  %15 = icmp ne i32 %14, 0
  br i1 %15, label %21, label %16

16:                                               ; preds = %13
  %17 = load ptr, ptr %4, align 8, !tbaa !5
  %18 = getelementptr inbounds %struct.PaUtilThreading, ptr %17, i32 0, i32 0
  %19 = load i64, ptr %18, align 8, !tbaa !11
  %20 = call i32 @pthread_cancel(i64 noundef %19)
  br label %21

21:                                               ; preds = %16, %13
  %22 = load ptr, ptr %4, align 8, !tbaa !5
  %23 = getelementptr inbounds %struct.PaUtilThreading, ptr %22, i32 0, i32 0
  %24 = load i64, ptr %23, align 8, !tbaa !11
  %25 = call i32 @pthread_join(i64 noundef %24, ptr noundef %8)
  %26 = load ptr, ptr %8, align 8, !tbaa !5
  %27 = icmp ne ptr %26, null
  br i1 %27, label %28, label %40

28:                                               ; preds = %21
  %29 = load ptr, ptr %8, align 8, !tbaa !5
  %30 = icmp ne ptr inttoptr (i64 -1 to ptr), %29
  br i1 %30, label %31, label %40

31:                                               ; preds = %28
  %32 = load ptr, ptr %6, align 8, !tbaa !5
  %33 = icmp ne ptr %32, null
  br i1 %33, label %34, label %38

34:                                               ; preds = %31
  %35 = load ptr, ptr %8, align 8, !tbaa !5
  %36 = load i32, ptr %35, align 4, !tbaa !9
  %37 = load ptr, ptr %6, align 8, !tbaa !5
  store i32 %36, ptr %37, align 4, !tbaa !9
  br label %38

38:                                               ; preds = %34, %31
  %39 = load ptr, ptr %8, align 8, !tbaa !5
  call void @free(ptr noundef %39) #4
  br label %40

40:                                               ; preds = %38, %28, %21
  %41 = load i32, ptr %7, align 4, !tbaa !9
  call void @llvm.lifetime.end.p0(i64 8, ptr %8) #4
  call void @llvm.lifetime.end.p0(i64 4, ptr %7) #4
  ret i32 %41
}

declare i32 @pthread_cancel(i64 noundef) #3

declare i32 @pthread_join(i64 noundef, ptr noundef) #3

attributes #0 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { nounwind "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 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 = { "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 #4 = { 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, !13, i64 0}
!12 = !{!"", !13, i64 0}
!13 = !{!"long", !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 nounwind willreturn allockind("free") memory(argmem: readwrite, inaccessiblemem: readwrite)
declare void @free(ptr allocptr nocapture noundef) local_unnamed_addr #1

; Function Attrs: nounwind uwtable
define dso_local noundef i32 @PaUtil_CancelThreading(ptr nocapture noundef readonly %0, i32 noundef %1, ptr noundef writeonly %2) local_unnamed_addr #2 {
  %4 = alloca ptr, align 8
  call void @llvm.lifetime.start.p0(i64 8, ptr nonnull %4) #4
  %.not = icmp eq ptr %2, null
  br i1 %.not, label %6, label %5

5:                                                ; preds = %3
  store i32 0, ptr %2, align 4, !tbaa !5
  br label %6

6:                                                ; preds = %5, %3
  %.not9 = icmp eq i32 %1, 0
  br i1 %.not9, label %7, label %10

7:                                                ; preds = %6
  %8 = load i64, ptr %0, align 8, !tbaa !9
  %9 = tail call i32 @pthread_cancel(i64 noundef %8) #4
  br label %10

10:                                               ; preds = %7, %6
  %11 = load i64, ptr %0, align 8, !tbaa !9
  %12 = call i32 @pthread_join(i64 noundef %11, ptr noundef nonnull %4) #4
  %13 = load ptr, ptr %4, align 8
  %magicptr = ptrtoint ptr %13 to i64
  switch i64 %magicptr, label %14 [
    i64 -1, label %18
    i64 0, label %18
  ]

14:                                               ; preds = %10
  br i1 %.not, label %17, label %15

15:                                               ; preds = %14
  %16 = load i32, ptr %13, align 4, !tbaa !5
  store i32 %16, ptr %2, align 4, !tbaa !5
  br label %17

17:                                               ; preds = %15, %14
  call void @free(ptr noundef %13) #4
  br label %18

18:                                               ; preds = %10, %10, %17
  call void @llvm.lifetime.end.p0(i64 8, ptr nonnull %4) #4
  ret i32 0
}

declare i32 @pthread_cancel(i64 noundef) local_unnamed_addr #3

declare i32 @pthread_join(i64 noundef, ptr noundef) local_unnamed_addr #3

attributes #0 = { mustprogress nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #1 = { mustprogress nounwind willreturn allockind("free") memory(argmem: readwrite, inaccessiblemem: readwrite) "alloc-family"="malloc" "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 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 = { "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 #4 = { 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/C++ TBAA"}
!9 = !{!10, !11, i64 0}
!10 = !{!"", !11, i64 0}
!11 = !{!"long", !7, i64 0}


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