Merge the contents from exception-handling-rewrite to the mainline.

This adds the new instructions 'landingpad' and 'resume'.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@136253 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 33 insertions, 2 deletions

diff --git a/docs/LangRef.html b/docs/LangRef.html
index ab98d3d835..40affb7e91 100644
--- a/docs/LangRef.html
+++ b/docs/LangRef.html
@@ -123,6 +123,7 @@
           <li><a href="#i_indirectbr">'<tt>indirectbr</tt>' Instruction</a></li>
           <li><a href="#i_invoke">'<tt>invoke</tt>' Instruction</a></li>
           <li><a href="#i_unwind">'<tt>unwind</tt>'  Instruction</a></li>
+          <li><a href="#i_resume">'<tt>resume</tt>'  Instruction</a></li>
           <li><a href="#i_unreachable">'<tt>unreachable</tt>' Instruction</a></li>
         </ol>
       </li>
@@ -2942,13 +2943,14 @@ should not be exposed to source languages.</p>
    control flow, not values (the one exception being the
    '<a href="#i_invoke"><tt>invoke</tt></a>' instruction).</p>
 
-<p>There are seven different terminator instructions: the
+<p>There are eight different terminator instructions: the
    '<a href="#i_ret"><tt>ret</tt></a>' instruction, the
    '<a href="#i_br"><tt>br</tt></a>' instruction, the
    '<a href="#i_switch"><tt>switch</tt></a>' instruction, the
    '<a href="#i_indirectbr">'<tt>indirectbr</tt></a>' Instruction, the
    '<a href="#i_invoke"><tt>invoke</tt></a>' instruction, the
-   '<a href="#i_unwind"><tt>unwind</tt></a>' instruction, and the
+   '<a href="#i_unwind"><tt>unwind</tt></a>' instruction, the
+   '<a href="#i_resume"><tt>resume</tt></a>' instruction, and the
    '<a href="#i_unreachable"><tt>unreachable</tt></a>' instruction.</p>
 
 <!-- _______________________________________________________________________ -->
@@ -3272,6 +3274,35 @@ that the invoke/unwind semantics are likely to change in future versions.</p>
 <!-- _______________________________________________________________________ -->
 
 <h4>
+  <a name="i_resume">'<tt>resume</tt>' Instruction</a>
+</h4>
+
+<div>
+
+<h5>Syntax:</h5>
+<pre>
+  resume &lt;type&gt; &lt;value&gt;
+</pre>
+
+<h5>Overview:</h5>
+<p>The '<tt>resume</tt>' instruction is a terminator instruction that has no
+   successors. Its operand must have the same type as the result of any
+   '<tt>landingpad</tt>' instruction in the same function.</p>
+
+<h5>Semantics:</h5>
+<p>The '<tt>resume</tt>' instruction resumes propagation of an existing
+   (in-flight) exception.</p>
+
+<h5>Example:</h5>
+<pre>
+ resume { i8*, i32 } %exn
+</pre>
+
+</div>
+
+<!-- _______________________________________________________________________ -->
+
+<h4>
   <a name="i_unreachable">'<tt>unreachable</tt>' Instruction</a>
 </h4>