public override DefType ComputeHomogeneousFloatAggregateElementType(DefType type)
{
if (!type.IsHfa)
{
return(null);
}
if (type.IsWellKnownType(WellKnownType.Double) || type.IsWellKnownType(WellKnownType.Single))
{
return(type);
}
for (;;)
{
Debug.Assert(type.IsValueType);
// All HFA fields have to be of the same HFA type, so we can just return the type of the first field
TypeDesc firstFieldType = null;
foreach (var field in type.GetFields())
{
if (field.IsStatic)
{
continue;
}
firstFieldType = field.FieldType;
break;
}
Debug.Assert(firstFieldType != null, "Why is IsHfa true on this type?");
switch (firstFieldType.Category)
{
case TypeFlags.Single:
case TypeFlags.Double:
return((DefType)firstFieldType);
case TypeFlags.ValueType:
// Drill into the struct and find the type of its first field
type = (DefType)firstFieldType;
break;
default:
Debug.Assert(false, "Why is IsHfa true on this type?");
return(null);
}
}
}
public override DefType ComputeHomogeneousFloatAggregateElementType(DefType type)
{
if (!type.IsHfa)
return null;
if (type.IsWellKnownType(WellKnownType.Double) || type.IsWellKnownType(WellKnownType.Single))
return type;
for (;;)
{
Debug.Assert(type.IsValueType);
// All HFA fields have to be of the same HFA type, so we can just return the type of the first field
TypeDesc firstFieldType = null;
foreach (var field in type.GetFields())
{
if (field.IsStatic)
continue;
firstFieldType = field.FieldType;
break;
}
Debug.Assert(firstFieldType != null, "Why is IsHfa true on this type?");
switch (firstFieldType.Category)
{
case TypeFlags.Single:
case TypeFlags.Double:
return (DefType)firstFieldType;
case TypeFlags.ValueType:
// Drill into the struct and find the type of its first field
type = (DefType)firstFieldType;
break;
default:
Debug.Assert(false, "Why is IsHfa true on this type?");
return null;
}
}
}
