Document the llvm.isnan intrinsic
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@14131 91177308-0d34-0410-b5e6-96231b3b80d8
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</li>
<li><a href="#int_os">Operating System Intrinsics</a>
<ol>
- <li><a href="#i_readport">'<tt>llvm.readport</tt>' Intrinsic</a></li>
- <li><a href="#i_writeport">'<tt>llvm.writeport</tt>' Intrinsic</a></li>
+ <li><a href="#i_readport">'<tt>llvm.readport</tt>' Intrinsic</a></li>
+ <li><a href="#i_writeport">'<tt>llvm.writeport</tt>' Intrinsic</a></li>
<li><a href="#i_readio">'<tt>llvm.readio</tt>' Intrinsic</a></li>
<li><a href="#i_writeio">'<tt>llvm.writeio</tt>' Intrinsic</a></li>
</ol>
@@ -124,6 +124,7 @@
<li><a href="#i_memcpy">'<tt>llvm.memcpy</tt>' Intrinsic</a></li>
<li><a href="#i_memmove">'<tt>llvm.memmove</tt>' Intrinsic</a></li>
<li><a href="#i_memset">'<tt>llvm.memset</tt>' Intrinsic</a></li>
+ <li><a href="#i_isnan">'<tt>llvm.isnan</tt>' Intrinsic</a></li>
</ol>
</li>
<li><a href="#int_debugger">Debugger intrinsics</a></li>
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</div>
+<!-- _______________________________________________________________________ -->
+<div class="doc_subsubsection">
+ <a name="i_isnan">'<tt>llvm.isnan</tt>' Intrinsic</a>
+</div>
+
+<div class="doc_text">
+
+<h5>Syntax:</h5>
+<pre>
+ call bool (<float or double>)* %llvm.isnan(<float or double> Val)
+</pre>
+
+<h5>Overview:</h5>
+
+<p>
+The '<tt>llvm.isnan</tt>' intrinsic returns true if the specific floating point
+value is a NAN.
+</p>
+
+<h5>Arguments:</h5>
+
+<p>
+The argument is a floating point number.
+</p>
+
+<h5>Semantics:</h5>
+
+<p>
+If the argument is a SNAN or QNAN, it returns true, otherwise false.
+</p>
+</div>
+
+
+
+
<!-- ======================================================================= -->
<div class="doc_subsection">
<a name="int_debugger">Debugger Intrinsics</a>