/// getIntPtrType - Return an unsigned integer type that is the same size or
/// greater to the host pointer size.
///
/// getIntPtrType - Return an unsigned integer type that is the same size or
/// greater to the host pointer size.
///
/// getIndexedOffset - return the offset from the beginning of the type for
/// the specified indices. This is used to implement getelementptr.
/// getIndexedOffset - return the offset from the beginning of the type for
/// the specified indices. This is used to implement getelementptr.