public PTXBackend(Context context, PTXArchitecture gpuArch, TargetPlatform platform, string libDeviceDir)
: base(context, platform, GetLLVMTriple(platform), gpuArch.ToString().ToLower())
{
// Determine the correct lib-device version.
CudaException.ThrowIfFailed(
CudaAPI.Current.GetDriverVersion(out int driverVersion));
var pattern = ResolveLibDevicePattern(gpuArch, driverVersion);
var files = Directory.GetFiles(libDeviceDir, pattern);
if (files.Length < 1)
{
throw new ArgumentException(ErrorMessages.LibDeviceNotFound);
}
LibDevicePath = files[0];
}
