diff options
| author | Chris Lattner <sabre@nondot.org> | 2003-05-08 15:55:44 +0000 |
|---|---|---|
| committer | Chris Lattner <sabre@nondot.org> | 2003-05-08 15:55:44 +0000 |
| commit | a1a209791982cd19831fbc9cc9152b222263bcd2 (patch) | |
| tree | 37e438a2ba6dec59ce4cb236ef3609873ebfe63b | |
| parent | 27aa094f57e49424047c85fe4243d70e79928028 (diff) | |
va_start only takes on argument now.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@6039 91177308-0d34-0410-b5e6-96231b3b80d8
| -rw-r--r-- | docs/LangRef.html | 18 |
1 files changed, 8 insertions, 10 deletions
diff --git a/docs/LangRef.html b/docs/LangRef.html index 65cb4ea968..ffae318b29 100644 --- a/docs/LangRef.html +++ b/docs/LangRef.html @@ -1697,7 +1697,7 @@ int %test(int %X, ...) { %aq = alloca sbyte* ; Initialize variable argument processing - call void (sbyte**, ...)* %<a href="#i_va_start">llvm.va_start</a>(sbyte** %ap, int %X) + call void (sbyte**)* %<a href="#i_va_start">llvm.va_start</a>(sbyte** %ap) ; Read a single integer argument %tmp = <a href="#i_va_arg">va_arg</a> sbyte** %ap, int @@ -1718,7 +1718,7 @@ int %test(int %X, ...) { <h5>Syntax:</h5> <pre> - call void (va_list*, ...)* %llvm.va_start(<va_list>* <arglist>, <argument>) + call void (va_list*)* %llvm.va_start(<va_list>* <arglist>) </pre> <h5>Overview:</h5> @@ -1730,18 +1730,16 @@ invoked.<p> <h5>Arguments:</h5> -The first argument is a pointer to a <tt>va_list</tt> element to initialize. -The second argument is required to be the last LLVM argument before the -ellipsis. In the future, this restriction may be relaxed (to allow it to be -other arguments).<p> +The argument is a pointer to a <tt>va_list</tt> element to initialize.<p> <h5>Semantics:</h5> The '<tt>llvm.va_start</tt>' intrinsic works just like the <tt>va_start</tt> macro available in C. In a target-dependent way, it initializes the -<tt>va_list</tt> element the first argument points to, so that the next call to -<tt>va_arg</tt> will produce the first variable argument passed to the -function.<p> +<tt>va_list</tt> element the argument points to, so that the next call to +<tt>va_arg</tt> will produce the first variable argument passed to the function. +Unlike the C <tt>va_start</tt> macro, this intrinsic does not need to know the +last argument of the function, the compiler can figure that out.<p> <!-- _______________________________________________________________________ --> @@ -1812,7 +1810,7 @@ arbitrarily complex and require memory allocation, for example.<p> <address><a href="mailto:sabre@nondot.org">Chris Lattner</a></address> <!-- Created: Tue Jan 23 15:19:28 CST 2001 --> <!-- hhmts start --> -Last modified: Thu May 8 00:06:36 CDT 2003 +Last modified: Thu May 8 10:48:46 CDT 2003 <!-- hhmts end --> </font> </body></html> |