[PATCH] Exception handling docs: Clarify how the llvm.eh.* intrinsics are used

[Mark Seaborn]

Hi void,

Exception handling docs: Clarify how the llvm.eh.* intrinsics are used

The non-SJLJ and SJLJ intrinsics are generated by the frontend and
backend respectively.


http://llvm-reviews.chandlerc.com/D3010

Files:
  docs/ExceptionHandling.rst

Index: docs/ExceptionHandling.rst
===================================================================
--- docs/ExceptionHandling.rst
+++ docs/ExceptionHandling.rst
@@ -327,10 +327,18 @@
 function.  This value can be used to compare against the result of
 ``landingpad`` instruction.  The single argument is a reference to a type info.
 
+Uses of this intrinsic are generated by the C++ front-end.
+
+SJLJ Intrinsics
+---------------
+
+The ``llvm.eh.sjlj`` intrinsics are used internally within ``llc``.  Uses of
+them are generated by ``llc``'s ``SjLjEHPrepare`` pass.
+
 .. _llvm.eh.sjlj.setjmp:
 
 ``llvm.eh.sjlj.setjmp``
------------------------
+~~~~~~~~~~~~~~~~~~~~~~~
 
 .. code-block:: llvm
 
@@ -352,7 +360,7 @@
 .. _llvm.eh.sjlj.longjmp:
 
 ``llvm.eh.sjlj.longjmp``
-------------------------
+~~~~~~~~~~~~~~~~~~~~~~~~
 
 .. code-block:: llvm
 
@@ -365,7 +373,7 @@
 destination address.
 
 ``llvm.eh.sjlj.lsda``
----------------------
+~~~~~~~~~~~~~~~~~~~~~
 
 .. code-block:: llvm
 
@@ -377,7 +385,7 @@
 function context for use by the runtime.
 
 ``llvm.eh.sjlj.callsite``
--------------------------
+~~~~~~~~~~~~~~~~~~~~~~~~~
 
 .. code-block:: llvm
-------------- next part --------------
A non-text attachment was scrubbed...
Name: D3010.1.patch
Type: text/x-patch
Size: 1164 bytes
Desc: not available
URL: <http://lists.llvm.org/pipermail/llvm-commits/attachments/20140307/454236aa/attachment.bin>