<dt><tt>PointerType</tt></dt>
<dd>Subclass of SequentialType for pointer types.</dd>
<dt><tt>VectorType</tt></dt>
- <dd>Subclass of SequentialType for packed (vector) types. A
- packed type is similar to an ArrayType but is distinguished because it is
- a first class type wherease ArrayType is not. Packed types are used for
+ <dd>Subclass of SequentialType for vector types. A
+ vector type is similar to an ArrayType but is distinguished because it is
+ a first class type wherease ArrayType is not. Vector types are used for
vector operations and are usually small vectors of of an integer or floating
point type.</dd>
<dt><tt>StructType</tt></dt>