From efa19619c8a59a7408fbd54e804072c8186cb667 Mon Sep 17 00:00:00 2001
From: David Greene <greened@obbligato.org>
Date: Mon, 29 Jun 2009 20:05:29 +0000
Subject: Implement !cast<string>.

llvm-svn: 74444
---
 llvm/docs/TableGenFundamentals.html | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

(limited to 'llvm/docs/TableGenFundamentals.html')

diff --git a/llvm/docs/TableGenFundamentals.html b/llvm/docs/TableGenFundamentals.html
index 05b2b233e6a..ec87f2967cb 100644
--- a/llvm/docs/TableGenFundamentals.html
+++ b/llvm/docs/TableGenFundamentals.html
@@ -411,7 +411,8 @@ which case the user must specify it explicitly.</dd>
 <dt><tt>!cast<type>(a)</tt></dt>
   <dd>A symbol of type <em>type</em> obtained by looking up the string 'a' in
 the symbol table.  If the type of 'a' does not match <em>type</em>, TableGen
-aborts with an error. </dd>
+aborts with an error. !cast<string> is a special case in that the argument must
+be an object defined by a 'def' construct.</dd>
 <dt><tt>!nameconcat&lt;type&gt;(a, b)</tt></dt>
   <dd>Shorthand for !cast<type>(!strconcat(a, b))</dd>
 <dt><tt>!subst(a, b, c)</tt></dt>
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