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New calling convention I will be adding shortly.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28403 91177308-0d34-0410-b5e6-96231b3b80d8
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Chris Lattner 2006-05-19 21:15:36 +00:00
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docs/LangRef.html
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@ -464,6 +464,19 @@ the future:</p>
prototype and implemented declaration of the function (as does normal C).
</dd>
<dt><b>"<tt>csretcc</tt>" - The C struct return calling convention</b>:</dt>
<dd>This calling convention matches the target C calling conventions, except
that functions with this convention are required to take a pointer as their
first argument, and the return type of the function must be void. This is
used for C functions that return aggregates by-value. In this case, the
function has been transformed to take a pointer to the struct as the first
argument to the function. For targets where the ABI specifies specific
behavior for structure-return calls, the calling convention can be used to
distinguish between struct return functions and other functions that take a
pointer to a struct as the first argument.
</dd>
<dt><b>"<tt>fastcc</tt>" - The fast calling convention</b>:</dt>
<dd>This calling convention attempts to make calls as fast as possible