public static LLVMTypeRef ToLLVMType(this Type type)
{
if (type.IsConstructedGenericType && type.GetGenericTypeDefinition() == typeof(Vector128 <>))
{
var et = type.GetGenericArguments()[0];
return(LLVMTypeRef.VectorType(et.ToLLVMType(), 16U / (uint)Marshal.SizeOf(et)));
}
if (typeof(MulticastDelegate).IsAssignableFrom(type))
{
var mi = type.GetMethod("Invoke");
return(LLVMTypeRef.FunctionType(mi.ReturnType.ToLLVMType(),
mi.GetParameters().Select(x => x.ParameterType.ToLLVMType()).ToArray(), false));
}
if (type == typeof(void))
{
return(LLVMTypeRef.VoidType());
}
if (type.IsPointer)
{
return(LLVMTypeRef.Int64Type());
}
switch (Activator.CreateInstance(type))
{
case sbyte _:
case byte _: return(LLVMTypeRef.Int8Type());
case short _:
case ushort _: return(LLVMTypeRef.Int16Type());
case int _:
case uint _: return(LLVMTypeRef.Int32Type());
case long _:
case ulong _: return(LLVMTypeRef.Int64Type());
case Int128 _:
case UInt128 _: return(LLVMTypeRef.IntType(128));
case float _: return(LLVMTypeRef.FloatType());
case double _: return(LLVMTypeRef.DoubleType());
case bool _: return(LLVMTypeRef.IntType(1));
default: throw new NotSupportedException(type.Name);
}
}
private static LLVMTypeRef GetLlvmType([NotNull] Type lambdaTypeParam)
{
switch (lambdaTypeParam)
{
case PrimaryType primaryType:
if (string.Equals(primaryType.Name, "f64", Ordinal))
{
return(LLVMSharp.LLVM.DoubleType());
}
if (string.Equals(primaryType.Name, "f32", Ordinal))
{
return(LLVMTypeRef.FloatType());
}
if (string.Equals(primaryType.Name, "i8", Ordinal))
{
return(LLVMTypeRef.Int8Type());
}
if (string.Equals(primaryType.Name, "i16", Ordinal))
{
return(LLVMTypeRef.Int16Type());
}
if (string.Equals(primaryType.Name, "i32", Ordinal))
{
return(LLVMTypeRef.Int32Type());
}
if (string.Equals(primaryType.Name, "i64", Ordinal))
{
return(LLVMTypeRef.Int64Type());
}
break;
case LambdaType lambdaType:
return(LLVMTypeRef.FunctionType(GetLlvmType(lambdaType.RetType),
(from type in lambdaType.ParamsList select GetLlvmType(type)).ToArray(), false));
case SecondaryType secondaryType:
break;
}
throw new NotImplementedException();
}
