public static LLVMTypeRef ToLLVMType(this Type type)
{
if (type.IsConstructedGenericType && type.GetGenericTypeDefinition() == typeof(Vector128 <>))
{
var et = type.GetGenericArguments()[0];
return(LLVMTypeRef.CreateVector(et.ToLLVMType(), 16U / (uint)Marshal.SizeOf(et)));
}
if (typeof(MulticastDelegate).IsAssignableFrom(type))
{
var mi = type.GetMethod("Invoke");
return(LLVMTypeRef.CreateFunction(mi.ReturnType.ToLLVMType(),
mi.GetParameters().Select(x => x.ParameterType.ToLLVMType()).ToArray(), false));
}
if (type == typeof(void))
{
return(LLVMTypeRef.Void);
}
if (type.IsPointer)
{
return(LLVMTypeRef.Int64);
}
switch (Activator.CreateInstance(type))
{
case sbyte _:
case byte _: return(LLVMTypeRef.Int8);
case short _:
case ushort _: return(LLVMTypeRef.Int16);
case int _:
case uint _: return(LLVMTypeRef.Int32);
case long _:
case ulong _: return(LLVMTypeRef.Int64);
case Int128 _:
case UInt128 _: return(LLVMTypeRef.CreateInt(128));
case float _: return(LLVMTypeRef.Float);
case double _: return(LLVMTypeRef.Double);
case bool _: return(LLVMTypeRef.Int1);
default: throw new NotSupportedException(type.Name);
}
}
