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Document our extension to constant-fold __builtin_strlen and strlen

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llvm-svn: 113699
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Douglas Gregor
2010-09-11 18:08:34 +00:00
parent 250ab1dc0e
commit c6876fe121
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clang/docs/InternalsManual.html
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@@ -1682,6 +1682,7 @@ interacts with constant evaluation:</p>
floating-point literal.</li>
<li><b><tt>__builtin_abs,copysign,..</tt></b>: These are constant folded as
general constant expressions.</li>
<li><b><tt>__builtin_strlen</tt></b> and <b><tt>strlen</tt></b>: These are constant folded as integer constant expressions if the argument is a string literal.</li>
</ul>