This LGTM at this point.  Unless Mehdi has more comments, I think it's good to put in tree.<div>Thanks for diligently working through this one.<br><br><div class="gmail_quote"><div dir="ltr">On Wed, Dec 7, 2016, 9:10 AM David Callahan via Phabricator <<a href="mailto:reviews@reviews.llvm.org">reviews@reviews.llvm.org</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">david2050 updated this revision to Diff 80611.<br class="gmail_msg">
david2050 added a comment.<br class="gmail_msg">
<br class="gmail_msg">
remove unused declarations<br class="gmail_msg">
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<a href="https://reviews.llvm.org/D24918" rel="noreferrer" class="gmail_msg" target="_blank">https://reviews.llvm.org/D24918</a><br class="gmail_msg">
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Files:<br class="gmail_msg">
  lib/Transforms/Scalar/ADCE.cpp<br class="gmail_msg">
  test/Transforms/ADCE/2002-05-23-ZeroArgPHITest.ll<br class="gmail_msg">
  test/Transforms/ADCE/2002-05-28-Crash-distilled.ll<br class="gmail_msg">
  test/Transforms/ADCE/2002-05-28-Crash.ll<br class="gmail_msg">
  test/Transforms/ADCE/2002-07-17-AssertionFailure.ll<br class="gmail_msg">
  test/Transforms/ADCE/2002-07-17-PHIAssertion.ll<br class="gmail_msg">
  test/Transforms/ADCE/2002-07-29-Segfault.ll<br class="gmail_msg">
  test/Transforms/ADCE/2003-01-22-PredecessorProblem.ll<br class="gmail_msg">
  test/Transforms/ADCE/2003-04-25-PHIPostDominateProblem.ll<br class="gmail_msg">
  test/Transforms/ADCE/2003-06-11-InvalidCFG.ll<br class="gmail_msg">
  test/Transforms/ADCE/2003-06-24-BadSuccessor.ll<br class="gmail_msg">
  test/Transforms/ADCE/2003-06-24-BasicFunctionality.ll<br class="gmail_msg">
  test/Transforms/ADCE/2003-09-15-InfLoopCrash.ll<br class="gmail_msg">
  test/Transforms/ADCE/2003-11-16-MissingPostDominanceInfo.ll<br class="gmail_msg">
  test/Transforms/ADCE/2004-05-04-UnreachableBlock.ll<br class="gmail_msg">
  test/Transforms/ADCE/2016-09-06.ll<br class="gmail_msg">
  test/Transforms/ADCE/basictest1.ll<br class="gmail_msg">
  test/Transforms/ADCE/basictest2.ll<br class="gmail_msg">
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</blockquote></div></div>