INT64 __fastcall RtlCSparseBitmapLeaveLockingRegion(UINT8 *a1){
INT64 result;
if( !*(_BYTE *)(*((_QWORD *)a1 + 1) + 48i64) )
return KiLeaveGuardedRegionUnsafe((__int64)KeGetCurrentThread());
result = (unsigned int)KiIrqlFlags;
__writecr8(*a1);
return result;
}