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diff --git a/docs/LangRef.html b/docs/LangRef.html index 05de0bd4cf..553035ef6e 100644 --- a/docs/LangRef.html +++ b/docs/LangRef.html @@ -407,9 +407,12 @@ be any type with a size.</p> <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 when to build virtual function tables +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> +<p> +The return type of a function type cannot be an aggregate type. +</p> <h5>Syntax:</h5> <pre> <returntype> (<parameter list>)<br></pre> <p>Where '<tt><parameter list></tt>' is a comma-separated list of @@ -638,6 +641,12 @@ immediately executed on entrance to the function, and it is not allowed to have predecessor basic blocks (i.e. there can not be any branches to the entry block of a function). Because the block can have no predecessors, it also cannot have any <a href="#i_phi">PHI nodes</a>.</p> +<p> +LLVM functions are identified by their name and type signature. Hence, two +functions with the same name but different parameter lists or return values +are considered different functions, and LLVM will resolves references to each +appropriately. +</p> </div> <!-- *********************************************************************** --> <div class="doc_section"> <a name="instref">Instruction Reference</a> </div> |