llvm.sqrt somehow escaped documentation.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22490 91177308-0d34-0410-b5e6-96231b3b80d8
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@@ -143,6 +143,8 @@
<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_isunordered">'<tt>llvm.isunordered</tt>' Intrinsic</a></li>
+ <li><a href="#i_sqrt">'<tt>llvm.sqrt</tt>' Intrinsic</a></li>
+
</ol>
</li>
<li><a href="#int_count">Bit counting Intrinsics</a>
@@ -3133,6 +3135,41 @@
</div>
+<!-- _______________________________________________________________________ -->
+<div class="doc_subsubsection">
+ <a name="i_sqrt">'<tt>llvm.sqrt</tt>' Intrinsic</a>
+</div>
+
+<div class="doc_text">
+
+<h5>Syntax:</h5>
+<pre>
+ declare <float or double> %llvm.sqrt(<float or double> Val)
+</pre>
+
+<h5>Overview:</h5>
+
+<p>
+The '<tt>llvm.sqrt</tt>' intrinsic returns the sqrt of the specified operand,
+returning the same value as the libm '<tt>sqrt</tt>' function would. Unlike
+<tt>sqrt</tt> in libm, however, <tt>llvm.sqrt</tt> has undefined behavior for
+negative numbers (which allows for better optimization).
+</p>
+
+<h5>Arguments:</h5>
+
+<p>
+The argument and return value are floating point numbers of the same type.
+</p>
+
+<h5>Semantics:</h5>
+
+<p>
+This function returns the sqrt of the specified operand if it is a positive
+floating point number.
+</p>
+</div>
+
<!-- ======================================================================= -->
<div class="doc_subsection">
<a name="int_count">Bit Counting Intrinsics</a>