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<h3 class="section">2.5 IR2 Conversion</h3>
<p>The actual selection of VOPs for implementing call/return for a
given function is handled in ir2tran.lisp. Returns are handled
by <code>ir2-convert-return</code>, calls are handled by <code>ir2-convert-local-call</code>,
<code>ir2-convert-full-call</code>, and <code>ir2-convert-mv-call</code>, and
function prologues are handled by <code>ir2-convert-bind</code> (which calls
<code>init-xep-environment</code> for the case of an entry point for a full
call).
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