<html><head><meta http-equiv="Content-Type" content="text/html charset=utf-8"></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space;" class=""><br class=""><div><blockquote type="cite" class=""><div class="">On Mar 15, 2016, at 5:39 PM, Philip Reames <<a href="mailto:listmail@philipreames.com" class="">listmail@philipreames.com</a>> wrote:</div><br class="Apple-interchange-newline"><div class="">
  
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    <div class="moz-cite-prefix">On 03/15/2016 05:10 PM, Owen Anderson
      wrote:<br class="">
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          <div class="">On Mar 15, 2016, at 4:56 PM, Philip Reames via
            llvm-dev <<a moz-do-not-send="true" href="mailto:llvm-dev@lists.llvm.org" class="">llvm-dev@lists.llvm.org</a>>
            wrote:</div>
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          <div class=""><span style="font-family: Helvetica; font-size:
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              !important;" class="">Er, LoadValue's been around for a
              while (6 months).  How far back are you testing?  I'd
              strongly suggest switching to something more recent.</span><br style="font-family: Helvetica; font-size: 12px;
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      <div class="">Some of us have to support internal release branches
        for non-trivial amounts of time.</div>
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    Right, but how does that relate to the code base you're looking at
    when analyzing performance and proposing changes on ToT?</div></div></blockquote><br class=""></div><div>We try very hard to upstream all improvements we make to LLVM, even if we find them while investigating or debugging older release branches.  We wouldn’t be proposing it if we did not believe it would be of benefit to ToT as well.</div><div><br class=""></div><div>—Owen</div></body></html>