/code>.t</span> starting from <code>initial</code>. <code>pp_instr</code> is used for the debug HTML and passed as a hook to handle both SIL and HIL CFGs.</p></dd></dl><dl><dt class="spec value" id="val-exec_cfg"><a href="#val-exec_cfg" class="anchor"></a><code><span class="keyword">val</span> exec_cfg : <span>?&#8288;do_narrowing:bool</span> <span>&#45;&gt;</span> <a href="TransferFunctions/CFG/index.html#type-t">TransferFunctions.CFG.t</a> <span>&#45;&gt;</span> <a href="TransferFunctions/index.html#type-