<div dir="ltr">Most of these changes are performance neutral.<div>The initial value initialization change avoids a walk of all values.</div><div><br></div><div>We could actually avoid that walk entirely through various machinations, but it doesn't seem worth it yet.</div><div><br><div><br></div></div></div><div class="gmail_extra"><br><div class="gmail_quote">On Sun, Dec 25, 2016 at 2:43 PM, Daniel Berlin via Phabricator <span dir="ltr"><<a href="mailto:reviews@reviews.llvm.org" target="_blank">reviews@reviews.llvm.org</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">dberlin created this revision.<br>
dberlin added a reviewer: davide.<br>
dberlin added a subscriber: llvm-commits.<br>
<br>
<a href="https://reviews.llvm.org/D28111" rel="noreferrer" target="_blank">https://reviews.llvm.org/<wbr>D28111</a><br>
<br>
Files:<br>
  include/llvm/Transforms/<wbr>Scalar/GVNExpression.h<br>
  lib/Transforms/Scalar/NewGVN.<wbr>cpp<br>
<br>
</blockquote></div><br></div>