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Update Function type documentation to clarify how multiple return values are supported.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@48721 91177308-0d34-0410-b5e6-96231b3b80d8
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Devang Patel 2008-03-24 05:35:41 +00:00
parent 88ffdddcc4
commit a582f404df
1 changed files with 9 additions and 2 deletions
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docs/LangRef.html
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@ -1225,8 +1225,10 @@ type "{ i32, [0 x float]}", for example.</p>
<div class="doc_text">
<h5>Overview:</h5>
<p>The function type can be thought of as a function signature. It
consists of a return type and a list of formal parameter types.
Function types are usually used to build virtual function tables
consists of a return type and a list of formal parameter types. The
return type of a function type is a scalar type or a struct type. If the
return type is a struct type then all struct elements must be of a first
class type. Function types are usually used to build virtual function tables
(which are structures of pointers to functions), for indirect function
calls, and when defining a function.</p>
@ -1260,6 +1262,11 @@ Variable argument functions can access their arguments with the <a
which returns an integer. This is the signature for <tt>printf</tt> in
LLVM.
</td>
</tr><tr class="layout">
<td class="left"><tt>{i32, i32} (i32)</tt></td>
<td class="left">A function taking an <tt>i32></tt>, returning two values
<tt> i32 </tt> as an arggregate of type <tt>{ i32, i32 }</tt>
</td>
</tr>
</table>