; 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: mustprogress uwtable
define dso_local ptr @event_create(i1 noundef zeroext %0, i1 noundef zeroext %1) #0 {
  %3 = alloca ptr, align 8
  %4 = alloca i8, align 1
  %5 = alloca i8, align 1
  %6 = alloca ptr, align 8
  %7 = alloca i32, align 4
  %8 = zext i1 %0 to i8
  store i8 %8, ptr %4, align 1, !tbaa !5
  %9 = zext i1 %1 to i8
  store i8 %9, ptr %5, align 1, !tbaa !5
  call void @llvm.lifetime.start.p0(i64 8, ptr %6) #5
  %10 = call noalias ptr @malloc(i64 noundef 104) #6
  store ptr %10, ptr %6, align 8, !tbaa !9
  %11 = load ptr, ptr %6, align 8, !tbaa !9
  %12 = icmp ne ptr %11, null
  br i1 %12, label %14, label %13

13:                                               ; preds = %2
  store ptr null, ptr %3, align 8
  store i32 1, ptr %7, align 4
  br label %31

14:                                               ; preds = %2
  %15 = load ptr, ptr %6, align 8, !tbaa !9
  %16 = call noundef zeroext i1 @_ZL9InitEventP5Event(ptr noundef %15)
  br i1 %16, label %19, label %17

17:                                               ; preds = %14
  %18 = load ptr, ptr %6, align 8, !tbaa !9
  call void @free(ptr noundef %18) #5
  store ptr null, ptr %3, align 8
  store i32 1, ptr %7, align 4
  br label %31

19:                                               ; preds = %14
  %20 = load i8, ptr %4, align 1, !tbaa !5, !range !11, !noundef !12
  %21 = trunc i8 %20 to i1
  %22 = load ptr, ptr %6, align 8, !tbaa !9
  %23 = getelementptr inbounds %struct.Event, ptr %22, i32 0, i32 4
  %24 = zext i1 %21 to i8
  store i8 %24, ptr %23, align 1, !tbaa !13
  %25 = load i8, ptr %5, align 1, !tbaa !5, !range !11, !noundef !12
  %26 = trunc i8 %25 to i1
  %27 = load ptr, ptr %6, align 8, !tbaa !9
  %28 = getelementptr inbounds %struct.Event, ptr %27, i32 0, i32 3
  %29 = zext i1 %26 to i8
  store volatile i8 %29, ptr %28, align 8, !tbaa !15
  %30 = load ptr, ptr %6, align 8, !tbaa !9
  store ptr %30, ptr %3, align 8
  store i32 1, ptr %7, align 4
  br label %31

31:                                               ; preds = %19, %17, %13
  call void @llvm.lifetime.end.p0(i64 8, ptr %6) #5
  %32 = load ptr, ptr %3, align 8
  ret ptr %32
}

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

; Function Attrs: nounwind allocsize(0)
declare noalias ptr @malloc(i64 noundef) #2

; Function Attrs: mustprogress nounwind uwtable
declare hidden noundef zeroext i1 @_ZL9InitEventP5Event(ptr noundef) #3

; Function Attrs: nounwind
declare void @free(ptr noundef) #4

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

attributes #0 = { 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 #1 = { nocallback nofree nosync nounwind willreturn memory(argmem: readwrite) }
attributes #2 = { nounwind allocsize(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 = { 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 #4 = { 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 #5 = { nounwind }
attributes #6 = { nounwind allocsize(0) }

!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 = !{!"bool", !7, i64 0}
!7 = !{!"omnipotent char", !8, i64 0}
!8 = !{!"Simple C++ TBAA"}
!9 = !{!10, !10, i64 0}
!10 = !{!"any pointer", !7, i64 0}
!11 = !{i8 0, i8 2}
!12 = !{}
!13 = !{!14, !6, i64 97}
!14 = !{!"_ZTS5Event", !10, i64 0, !7, i64 8, !7, i64 48, !6, i64 96, !6, i64 97}
!15 = !{!14, !6, i64 96}


; 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 uwtable
define dso_local noundef ptr @event_create(i1 noundef zeroext %0, i1 noundef zeroext %1) local_unnamed_addr #0 {
  %3 = zext i1 %0 to i8
  %4 = zext i1 %1 to i8
  %5 = tail call noalias dereferenceable_or_null(104) ptr @malloc(i64 noundef 104) #3
  %.not = icmp eq ptr %5, null
  br i1 %.not, label %12, label %6

6:                                                ; preds = %2
  %7 = tail call noundef zeroext i1 @_ZL9InitEventP5Event(ptr noundef nonnull %5)
  br i1 %7, label %9, label %8

8:                                                ; preds = %6
  tail call void @free(ptr noundef nonnull %5) #4
  br label %12

9:                                                ; preds = %6
  %10 = getelementptr inbounds i8, ptr %5, i64 97
  store i8 %3, ptr %10, align 1, !tbaa !5
  %11 = getelementptr inbounds i8, ptr %5, i64 96
  store volatile i8 %4, ptr %11, align 8, !tbaa !11
  br label %12

12:                                               ; preds = %2, %9, %8
  %.0 = phi ptr [ %5, %9 ], [ null, %8 ], [ null, %2 ]
  ret ptr %.0
}

; Function Attrs: mustprogress nofree nounwind willreturn allockind("alloc,uninitialized") allocsize(0) memory(inaccessiblemem: readwrite)
declare noalias noundef ptr @malloc(i64 noundef) local_unnamed_addr #1

; Function Attrs: mustprogress nounwind uwtable
declare hidden noundef zeroext i1 @_ZL9InitEventP5Event(ptr noundef) local_unnamed_addr #0

; Function Attrs: mustprogress nounwind willreturn allockind("free") memory(argmem: readwrite, inaccessiblemem: readwrite)
declare void @free(ptr allocptr nocapture noundef) local_unnamed_addr #2

attributes #0 = { 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 #1 = { mustprogress nofree nounwind willreturn allockind("alloc,uninitialized") allocsize(0) memory(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 = { 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 #3 = { nounwind allocsize(0) }
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, !10, i64 97}
!6 = !{!"_ZTS5Event", !7, i64 0, !8, i64 8, !8, i64 48, !10, i64 96, !10, i64 97}
!7 = !{!"any pointer", !8, i64 0}
!8 = !{!"omnipotent char", !9, i64 0}
!9 = !{!"Simple C++ TBAA"}
!10 = !{!"bool", !8, i64 0}
!11 = !{!6, !10, i64 96}


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