<div dir="ltr"><div class="gmail_extra"><br><div class="gmail_quote">On Wed, Jun 12, 2013 at 3:05 PM, Chandler Carruth <span dir="ltr"><<a href="mailto:chandlerc@google.com" target="_blank" class="cremed">chandlerc@google.com</a>></span> wrote:<br>
<blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div class="gmail_quote"><div class="im"><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
<div style="overflow:hidden">FWIW, the greedy register allocator’s live range splitting algorithm is designed to consume profile information so it can push spill code into cold blocks. The primary interface is SpillPlacement::getBlockFrequency() which currently returns an estimate based on loop depth only.</div>
</blockquote></div></div><br>It doesn't use MachineBlockFrequency?</blockquote></div><br>Err, MachineBlockFrequencyInfo -- the analysis pass. Sorry.</div></div>