Add description of 'llvm.trap' intrinsic. Also, minor fixes in formatting.

llvm-svn: 46024

llvm/docs/LangRef.html

@@ -208,10 +208,10 @@
         <ol>
           <li><a href="#int_var_annotation">
             <tt>llvm.var.annotation</tt>' Intrinsic</a></li>
-        </ol>
-        <ol>
           <li><a href="#int_annotation">
             <tt>llvm.annotation.*</tt>' Intrinsic</a></li>
+          <li><a href="#int_trap">
+            <tt>llvm.trap</tt>' Intrinsic</a></li>
         </ol>
       </li>
     </ol>
@@ -5238,10 +5238,11 @@ file name, and the last argument is the line number.
 <h5>Semantics:</h5>
 
 <p>
-This intrinsic allows annotation of local variables with arbitrary strings.  
+This intrinsic allows annotation of local variables with arbitrary strings.
 This can be useful for special purpose optimizations that want to look for these
- annotations.  These have no other defined use, they are ignored by code 
- generation and optimization.
+annotations.  These have no other defined use, they are ignored by code
+generation and optimization.
+</p>
 </div>
 
 <!-- _______________________________________________________________________ -->
@@ -5287,6 +5288,39 @@ that want to look for these annotations.  These have no other defined use, they
 are ignored by code generation and optimization.
 </div>
 
+<!-- _______________________________________________________________________ -->
+<div class="doc_subsubsection">
+  <a name="int_trap">'<tt>llvm.trap</tt>' Intrinsic</a>
+</div>
+
+<div class="doc_text">
+
+<h5>Syntax:</h5>
+<pre>
+  declare void @llvm.trap()
+</pre>
+
+<h5>Overview:</h5>
+
+<p>
+The '<tt>llvm.trap</tt>' intrinsic
+</p>
+
+<h5>Arguments:</h5>
+
+<p>
+None
+</p>
+
+<h5>Semantics:</h5>
+
+<p>
+This intrinsics is lowered to the target dependent trap instruction. If the
+target does not have a trap instruction, this intrinsic will be lowered to the
+call of the abort() function.
+</p>
+</div>
+
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 <hr>
 <address>