/// <summary cref="Backend.TargetUnit(CompileUnit)"/>
internal override void TargetUnit(CompileUnit unit)
{
var module = unit.LLVMModule;
var dataLayout = GetLLVMLayout(Platform);
var targetTriple = GetLLVMTriple(Platform);
SetDataLayout(module, dataLayout);
SetTarget(module, targetTriple);
if (CreateMemoryBufferWithContentsOfFile(LibDevicePath, out LLVMMemoryBufferRef libDeviceBuffer, out IntPtr errorMessage))
{
throw new InvalidOperationException(string.Format(
ErrorMessages.CouldNotReadLibDevice, Marshal.PtrToStringAnsi(errorMessage)));
}
if (GetBitcodeModuleInContext(unit.LLVMContext, libDeviceBuffer, out LLVMModuleRef libDeviceModule, out errorMessage))
{
throw new InvalidOperationException(string.Format(
ErrorMessages.CouldNotLoadLibDevice, Marshal.PtrToStringAnsi(errorMessage)));
}
SetDataLayout(libDeviceModule, dataLayout);
SetTarget(libDeviceModule, targetTriple);
LinkModules2(module, libDeviceModule);
var functions = new PTXDeviceFunctions(unit);
ptxDeviceFunctions.Add(unit, functions);
unit.RegisterDeviceFunctions(functions);
}
