; LLVM IR from AnzoDK/RPAudio :: includes/minimp3/player (system)

; 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.Event = type { ptr, %union.pthread_mutex_t, %union.pthread_cond_t, i8, i8 }
%union.pthread_mutex_t = type { %struct.__pthread_mutex_s }
%struct.__pthread_mutex_s = type { i32, i32, i32, i32, i32, i16, i16, %struct.__pthread_internal_list }
%struct.__pthread_internal_list = type { ptr, ptr }
%union.pthread_cond_t = type { %struct.__pthread_cond_s }
%struct.__pthread_cond_s = type { %union.__atomic_wide_counter, %union.__atomic_wide_counter, [2 x i32], [2 x i32], i32, i32, [2 x i32] }
%union.__atomic_wide_counter = 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: nounwind
declare void @free(ptr noundef) #1

; Function Attrs: nocallback nofree nosync nounwind willreturn memory(argmem: readwrite)
declare void @llvm.lifetime.end.p0(i64 immarg, ptr nocapture) #0

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

9:                                                ; preds = %1
  store i1 false, ptr %2, align 1
  store i32 1, ptr %5, align 4
  br label %24

10:                                               ; preds = %1
  %11 = load ptr, ptr %4, align 8, !tbaa !5
  %12 = getelementptr inbounds %struct.Event, ptr %11, i32 0, i32 2
  %13 = call i32 @pthread_cond_destroy(ptr noundef %12) #3
  %14 = icmp ne i32 %13, 0
  br i1 %14, label %15, label %16

15:                                               ; preds = %10
  store i1 false, ptr %2, align 1
  store i32 1, ptr %5, align 4
  br label %24

16:                                               ; preds = %10
  %17 = load ptr, ptr %4, align 8, !tbaa !5
  %18 = getelementptr inbounds %struct.Event, ptr %17, i32 0, i32 1
  %19 = call i32 @pthread_mutex_destroy(ptr noundef %18) #3
  %20 = icmp ne i32 %19, 0
  br i1 %20, label %21, label %22

21:                                               ; preds = %16
  store i1 false, ptr %2, align 1
  store i32 1, ptr %5, align 4
  br label %24

22:                                               ; preds = %16
  %23 = load ptr, ptr %4, align 8, !tbaa !5
  call void @free(ptr noundef %23) #3
  store i1 true, ptr %2, align 1
  store i32 1, ptr %5, align 4
  br label %24

24:                                               ; preds = %22, %21, %15, %9
  call void @llvm.lifetime.end.p0(i64 8, ptr %4) #3
  %25 = load i1, ptr %2, align 1
  ret i1 %25
}

; Function Attrs: nounwind
declare i32 @pthread_cond_destroy(ptr noundef) #1

; Function Attrs: nounwind
declare i32 @pthread_mutex_destroy(ptr noundef) #1

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 = { 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"}


; 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 nounwind willreturn allockind("free") memory(argmem: readwrite, inaccessiblemem: readwrite)
declare void @free(ptr allocptr nocapture noundef) local_unnamed_addr #0

; Function Attrs: mustprogress nounwind uwtable
define dso_local noundef zeroext i1 @event_destroy(ptr noundef %0) local_unnamed_addr #1 {
  %.not = icmp eq ptr %0, null
  br i1 %.not, label %9, label %2

2:                                                ; preds = %1
  %3 = getelementptr inbounds i8, ptr %0, i64 48
  %4 = tail call i32 @pthread_cond_destroy(ptr noundef nonnull %3) #3
  %.not7 = icmp eq i32 %4, 0
  br i1 %.not7, label %5, label %9

5:                                                ; preds = %2
  %6 = getelementptr inbounds i8, ptr %0, i64 8
  %7 = tail call i32 @pthread_mutex_destroy(ptr noundef nonnull %6) #3
  %.not8 = icmp eq i32 %7, 0
  br i1 %.not8, label %8, label %9

8:                                                ; preds = %5
  tail call void @free(ptr noundef nonnull %0) #3
  br label %9

9:                                                ; preds = %5, %2, %1, %8
  %.0 = phi i1 [ true, %8 ], [ false, %1 ], [ false, %2 ], [ false, %5 ]
  ret i1 %.0
}

; Function Attrs: nounwind
declare i32 @pthread_cond_destroy(ptr noundef) local_unnamed_addr #2

; Function Attrs: nounwind
declare i32 @pthread_mutex_destroy(ptr noundef) local_unnamed_addr #2

attributes #0 = { 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 #1 = { 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 #2 = { 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 #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)"}


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