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

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optional.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41785 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Nick Lewycky 2007-09-08 13:57:50 +00:00
parent 418d360518
commit db7e3c9e99
1 changed files with 15 additions and 9 deletions
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24
docs/LangRef.html
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@ -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>