<li>The call is in tail position (ret immediately follows call and ret
uses value of call or is void).</li>
<li>Option <tt>-tailcallopt</tt> is enabled,
- or <code>llvm::PerformTailCallOpt</code> is <code>true</code>.</li>
+ or <code>llvm::GuaranteedTailCallOpt</code> is <code>true</code>.</li>
<li><a href="CodeGenerator.html#tailcallopt">Platform specific
constraints are met.</a></li>
</ul>