replica
/
hanchenye-llvm-project
2
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity

Fix description of the call instruction. There are two types, with one being 

optional.

llvm-svn: 41785
This commit is contained in:
Nick Lewycky 2007-09-08 13:57:50 +00:00
parent bf19e0a556
commit a9b13d5cc1
1 changed files with 15 additions and 9 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

24
llvm/docs/LangRef.html
View File

@ -3581,7 +3581,7 @@ value argument; otherwise, it returns the second value argument.
<h5>Syntax:</h5>
<pre>
&lt;result&gt; = [tail] call [<a href="#callingconv">cconv</a>] &lt;ty&gt;* &lt;fnptrval&gt;(&lt;param list&gt;)
&lt;result&gt; = [tail] call [<a href="#callingconv">cconv</a>] &lt;ty&gt; [&lt;fnty&gt;*] &lt;fnptrval&gt;(&lt;param list&gt;)
</pre>
<h5>Overview:</h5>
@ -3606,10 +3606,15 @@ value argument; otherwise, it returns the second value argument.
to using C calling conventions.
</li>
<li>
<p>'<tt>ty</tt>': shall be the signature of the pointer to function value
being invoked. The argument types must match the types implied by this
signature. This type can be omitted if the function is not varargs and
if the function type does not return a pointer to a function.</p>
<p>'<tt>ty</tt>': the type of the call instruction itself which is also
the type of the return value. Functions that return no value are marked
<tt><a href="#t_void">void</a></tt>.</p>
</li>
<li>
<p>'<tt>fnty</tt>': shall be the signature of the pointer to function
value being invoked. The argument types must match the types implied by
this signature. This type can be omitted if the function is not varargs
and if the function type does not return a pointer to a function.</p>
</li>
<li>
<p>'<tt>fnptrval</tt>': An LLVM value containing a pointer to a function to
@ -3639,10 +3644,11 @@ the <a href="#i_invoke">invoke</a> instruction.</p>
<h5>Example:</h5>
<pre>
%retval = call i32 %test(i32 %argc)
call i32(i8 *, ...) *%printf(i8 * %msg, i32 12, i8 42);
%X = tail call i32 %foo()
%Y = tail call <a href="#callingconv">fastcc</a> i32 %foo()
%retval = call i32 @test(i32 %argc)
call i32 (i8 *, ...)* @printf(i8 * %msg, i32 12, i8 42);
%X = tail call i32 @foo()
%Y = tail call <a href="#callingconv">fastcc</a> i32 @foo()
%Z = call void %foo(i8 97 signext)
</pre>
</div>