Add a pre-dispatch SjLj EH hook on the unwind edge for targets to do any
setup they require. Use this for ARM/Darwin to rematerialize the base
pointer from the frame pointer when required. rdar://8564268
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@116879 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/docs/ExceptionHandling.html b/docs/ExceptionHandling.html
index bbc4565..41be8ab 100644
--- a/docs/ExceptionHandling.html
+++ b/docs/ExceptionHandling.html
@@ -40,6 +40,7 @@
<li><a href="#llvm_eh_sjlj_longjmp"><tt>llvm.eh.sjlj.longjmp</tt></a></li>
<li><a href="#llvm_eh_sjlj_lsda"><tt>llvm.eh.sjlj.lsda</tt></a></li>
<li><a href="#llvm_eh_sjlj_callsite"><tt>llvm.eh.sjlj.callsite</tt></a></li>
+ <li><a href="#llvm_eh_sjlj_dispatchsetup"><tt>llvm.eh.sjlj.dispatchsetup</tt></a></li>
</ol></li>
<li><a href="#asm">Asm Table Formats</a>
<ol>
@@ -548,6 +549,23 @@
</div>
<!-- ======================================================================= -->
+<div class="doc_subsubsection">
+ <a name="llvm_eh_sjlj_dispatchsetup">llvm.eh.sjlj.dispatchsetup</a>
+</div>
+
+<div class="doc_text">
+
+<pre>
+ void %<a href="#llvm_eh_sjlj_dispatchsetup">llvm.eh.sjlj.dispatchsetup</a>(i32)
+</pre>
+
+<p>For SJLJ based exception handling, the <a href="#llvm_eh_sjlj_dispatchsetup">
+ <tt>llvm.eh.sjlj.dispatchsetup</tt></a> intrinsic is used by targets to do
+ any unwind-edge setup they need. By default, no action is taken. </p>
+
+</div>
+
+<!-- ======================================================================= -->
<div class="doc_section">
<a name="asm">Asm Table Formats</a>
</div>