From: Nuno Lopes <nunoplopes@sapo.pt>
Date: Thu, 5 Jul 2012 17:37:07 +0000 (+0000)
Subject: add @llvm.donothing
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=b0c76d72c3fd7878f87995a93c9724b723af4432;p=oota-llvm.git

add @llvm.donothing

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@159758 91177308-0d34-0410-b5e6-96231b3b80d8
---

diff --git a/docs/LangRef.html b/docs/LangRef.html
index 64154d4eaa8..97936598174 100644
--- a/docs/LangRef.html
+++ b/docs/LangRef.html
@@ -317,10 +317,12 @@
             '<tt>llvm.debugtrap</tt>' Intrinsic</a></li>
           <li><a href="#int_stackprotector">
             '<tt>llvm.stackprotector</tt>' Intrinsic</a></li>
-	  <li><a href="#int_objectsize">
+          <li><a href="#int_objectsize">
             '<tt>llvm.objectsize</tt>' Intrinsic</a></li>
-	  <li><a href="#int_expect">
+          <li><a href="#int_expect">
             '<tt>llvm.expect</tt>' Intrinsic</a></li>
+          <li><a href="#int_donothing">
+            '<tt>llvm.donothing</tt>' Intrinsic</a></li>
         </ol>
       </li>
     </ol>
@@ -8640,6 +8642,30 @@ intrinsic function should be used instead.</p>
 <p>This intrinsic is lowered to the <tt>val</tt>.</p>
 </div>
 
+<!-- _______________________________________________________________________ -->
+<h4>
+  <a name="int_donothing">'<tt>llvm.donothing</tt>' Intrinsic</a>
+</h4>
+
+<div>
+
+<h5>Syntax:</h5>
+<pre>
+  declare void @llvm.donothing() nounwind readnone
+</pre>
+
+<h5>Overview:</h5>
+<p>The <tt>llvm.donothing</tt> intrinsic doesn't perform any operation. It's the
+only intrinsic that can be called with an invoke instruction.</p>
+
+<h5>Arguments:</h5>
+<p>None.</p>
+
+<h5>Semantics:</h5>
+<p>This intrinsic does nothing, and it's removed by optimizers and ignored by
+codegen.</p>
+</div>
+
 </div>
 
 </div>