Return the <span class="xref-unresolved" title="unresolved reference to &quot;Instr.t&quot;"><a href="../index.html#module-Instr"><code>Instr</code></a>.t</span> data of the instruction at address, and throw <code>Not_found</code> if the instruction was invalid</p></dd></dl><dl><dt class="spec value" id="val-get_normal_opt"><a href="#val-get_normal_opt" class="anchor"></a><code><span class="keyword">val</span> get_normal_opt : <a href="index.html#type-t">t</a> <span>&#45;&gt;</span> int <span>&#45;&gt;</spa