ctlz = most signficant bits, cttz = least sig
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@22061 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/docs/LangRef.html b/docs/LangRef.html
index 23911e2..2458734 100644
--- a/docs/LangRef.html
+++ b/docs/LangRef.html
@@ -149,8 +149,8 @@
<li><a href="#int_count">Bit counting Intrinsics</a>
<ol>
<li><a href="#int_ctpop">'<tt>llvm.ctpop</tt>' Intrinsic </a></li>
- <li><a href="#int_cttz">'<tt>llvm.cttz</tt>' Intrinsic </a></li>
<li><a href="#int_ctlz">'<tt>llvm.ctlz</tt>' Intrinsic </a></li>
+ <li><a href="#int_cttz">'<tt>llvm.cttz</tt>' Intrinsic </a></li>
</ol>
</li>
<li><a href="#int_debugger">Debugger intrinsics</a></li>
@@ -3205,40 +3205,6 @@
<!-- _______________________________________________________________________ -->
<div class="doc_subsubsection">
- <a name="int_cttz">'<tt>llvm.cttz</tt>' Intrinsic</a>
-</div>
-
-<div class="doc_text">
-
-<h5>Syntax:</h5>
-<pre>
- declare int %llvm.cttz(int <src>)
-
-</pre>
-
-<h5>Overview:</h5>
-
-<p>
-The '<tt>llvm.cttz</tt>' intrinsic counts the number of trailing zeros.
-</p>
-
-<h5>Arguments:</h5>
-
-<p>
-The only argument is the value to be counted. The argument may be of any
-integer type. The return type must match the argument type.
-</p>
-
-<h5>Semantics:</h5>
-
-<p>
-The '<tt>llvm.cttz</tt>' intrinsic counts the trailing zeros in a variable. If
-the src == 0 then the result is the size in bits of the type of src.
-</p>
-</div>
-
-<!-- _______________________________________________________________________ -->
-<div class="doc_subsubsection">
<a name="int_ctlz">'<tt>llvm.ctlz</tt>' Intrinsic</a>
</div>
@@ -3267,12 +3233,49 @@
<h5>Semantics:</h5>
<p>
-The '<tt>llvm.ctlz</tt>' intrinsic counts the leading zeros in a variable. If
-the src == 0 then the result is the size in bits of the type of src.
+The '<tt>llvm.ctlz</tt>' intrinsic counts the leading (most significant) zeros
+in a variable. If the src == 0 then the result is the size in bits of the type
+of src. For example, <tt>llvm.cttz(int 2) = 30</tt>.
</p>
</div>
+
+<!-- _______________________________________________________________________ -->
+<div class="doc_subsubsection">
+ <a name="int_cttz">'<tt>llvm.cttz</tt>' Intrinsic</a>
+</div>
+
+<div class="doc_text">
+
+<h5>Syntax:</h5>
+<pre>
+ declare int %llvm.cttz(int <src>)
+
+</pre>
+
+<h5>Overview:</h5>
+
+<p>
+The '<tt>llvm.cttz</tt>' intrinsic counts the number of trailing zeros.
+</p>
+
+<h5>Arguments:</h5>
+
+<p>
+The only argument is the value to be counted. The argument may be of any
+integer type. The return type must match the argument type.
+</p>
+
+<h5>Semantics:</h5>
+
+<p>
+The '<tt>llvm.cttz</tt>' intrinsic counts the trailing (least significant) zeros
+in a variable. If the src == 0 then the result is the size in bits of the type
+of src. For example, <tt>llvm.cttz(2) = 1</tt>.
+</p>
+</div>
+
<!-- ======================================================================= -->
<div class="doc_subsection">
<a name="int_debugger">Debugger Intrinsics</a>