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<div class="doc_text">

<h5>Syntax:</h5>
<pre>
  call bool (&lt;float or double&gt;, &lt;float or double&gt;)* %llvm.isunordered(&lt;float or double&gt; Val1,
                                                                      &lt;float or double&gt; Val2)
</pre>

<h5>Overview:</h5>

<p>
The '<tt>llvm.isunordered</tt>' intrinsic returns true if either or both of the
specified floating point values is a NAN.
</p>

<h5>Arguments:</h5>

<p>
The arguments are floating point numbers of the same type.
</p>

<h5>Semantics:</h5>

<p>
If either or both of the arguments is a SNAN or QNAN, it returns true, otherwise
false.
</p>
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<!-- ======================================================================= -->
<div class="doc_subsection">
  <a name="int_debugger">Debugger Intrinsics</a>
</div>

<div class="doc_text">
<p>
The LLVM debugger intrinsics (which all start with <tt>llvm.dbg.</tt> prefix),
are described in the <a
href="SourceLevelDebugging.html#format_common_intrinsics">LLVM Source Level
Debugging</a> document.
</p>
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  <a href="mailto:sabre@nondot.org">Chris Lattner</a><br>
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