<div dir="ltr">Is there an intermediate IR dump you can send me of where you end up with phis using phis that are useless?<div><br></div><div>(I'd also like to understand if you ever get cycles of that happening as well)</div><div><br></div></div><div class="gmail_extra"><br><div class="gmail_quote">On Fri, May 4, 2018 at 3:26 PM, Bjorn Pettersson via Phabricator via llvm-commits <span dir="ltr"><<a href="mailto:llvm-commits@lists.llvm.org" target="_blank">llvm-commits@lists.llvm.org</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">bjope updated this revision to Diff 145311.<br>
bjope added a comment.<br>
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Updated the test case (elimintated more branches/blocks, renamed variables/labels, removed checks).<br>
<div class="HOEnZb"><div class="h5"><br>
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Repository:<br>
  rL LLVM<br>
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<a href="https://reviews.llvm.org/D46422" rel="noreferrer" target="_blank">https://reviews.llvm.org/<wbr>D46422</a><br>
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Files:<br>
  lib/Transforms/Utils/LCSSA.cpp<br>
  test/Transforms/LCSSA/remove-<wbr>phis.ll<br>
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