<p><span class="h-card" translate="no"><a href="https://mastodon.social/@whitequark" class="u-url mention">@<span>whitequark</span></a></span> but I mean the question isn't what bits the optimization looks at, it's whether the optimization is driven by a partial undef. I don't think we've run into any of them in LLVM, but Nuno would know better</p>
