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Expand a bit on iplist. If you are more expert on this class, please review!

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@65630 91177308-0d34-0410-b5e6-96231b3b80d8
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Gabor Greif 2009-02-27 12:02:19 +00:00
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@ -886,22 +886,34 @@ not invalidate iterator or pointers to other elements in the list.</p>
intrusive, because it requires the element to store and provide access to the intrusive, because it requires the element to store and provide access to the
prev/next pointers for the list.</p> prev/next pointers for the list.</p>
<p>ilist has the same drawbacks as std::list, and additionally requires an <p><tt>ilist</tt> has the same drawbacks as <tt>std::list</tt>, and additionally
ilist_traits implementation for the element type, but it provides some novel requires an <tt>ilist_traits</tt> implementation for the element type, but it
characteristics. In particular, it can efficiently store polymorphic objects, provides some novel characteristics. In particular, it can efficiently store
the traits class is informed when an element is inserted or removed from the polymorphic objects, the traits class is informed when an element is inserted or
list, and ilists are guaranteed to support a constant-time splice operation. removed from the list, and ilists are guaranteed to support a constant-time splice
</p> operation.</p>
<p>These properties are exactly what we want for things like Instructions and <p>These properties are exactly what we want for things like <tt>Instruction</tt>s
basic blocks, which is why these are implemented with ilists.</p> and basic blocks, which is why these are implemented with <tt>ilist</tt>s.</p>
Related classes of interest are explained in the following subsections: Related classes of interest are explained in the following subsections:
<ul> <ul>
<li><a href="#dss_iplist">iplist</a></li>
<li><a href="#dss_ilist_node">llvm/ADT/ilist_node.h</a></li> <li><a href="#dss_ilist_node">llvm/ADT/ilist_node.h</a></li>
</ul> </ul>
</div> </div>
<!-- _______________________________________________________________________ -->
<div class="doc_subsubsection">
<a name="dss_iplist">iplist</a>
</div>
<div class="doc_text">
<p><tt>iplist&lt;T&gt;</tt> is <tt>ilist&lt;T&gt;</tt>'s base and as such
supports a slightly narrower interface. Notably, inserters from <tt>T&amp;</tt>
are absent.</p>
</div>
<!-- _______________________________________________________________________ --> <!-- _______________________________________________________________________ -->
<div class="doc_subsubsection"> <div class="doc_subsubsection">
<a name="dss_ilist_node">llvm/ADT/ilist_node.h</a> <a name="dss_ilist_node">llvm/ADT/ilist_node.h</a>