Eliminate a redundant check. This speeds up optimization of 253.perlbmk from 13...

[oota-llvm.git] / docs / ProgrammersManual.html

diff --git a/docs/ProgrammersManual.html b/docs/ProgrammersManual.html
index 347861e9638896a59a85879ee228860fae29fc25..1f02fe699b5b35dc5856d8f9ff3cb4f32a6153a2 100644 (file)
--- a/docs/ProgrammersManual.html
+++ b/docs/ProgrammersManual.html
@@ -106,6 +106,7 @@ use-def chains</a> </li>
           <li><a href="#schanges_deleting">Deleting             <tt>Instruction</tt>s</a> </li>
           <li><a href="#schanges_replacing">Replacing an                <tt>Instruction</tt>
 with another <tt>Value</tt></a> </li>
+          <li><a href="#schanges_deletingGV">Deleting <tt>GlobalVariable</tt>s</a> </li>  
         </ul>
       </li>
 <!--
@@ -1878,6 +1879,28 @@ ReplaceInstWithValue, ReplaceInstWithInst -->
 
 </div>
 
+<!--_______________________________________________________________________-->
+<div class="doc_subsubsection">
+  <a name="schanges_deletingGV">Deleting <tt>GlobalVariable</tt>s</a>
+</div>
+
+<div class="doc_text">
+
+<p>Deleting a global variable from a module is just as easy as deleting an 
+Instruction. First, you must have a pointer to the global variable that you wish
+ to delete.  You use this pointer to erase it from its parent, the module.
+ For example:</p>
+
+<div class="doc_code">
+<pre>
+<a href="#GlobalVariable">GlobalVariable</a> *GV = .. ;
+
+GV-&gt;eraseFromParent();
+</pre>
+</div>
+
+</div>
+
 <!-- *********************************************************************** -->
 <div class="doc_section">
   <a name="advanced">Advanced Topics</a>