<div dir="ltr"><br><div class="gmail_extra"><br><div class="gmail_quote">2016-07-15 21:05 GMT-07:00 Mehdi Amini via llvm-dev <span dir="ltr"><<a href="mailto:llvm-dev@lists.llvm.org" target="_blank">llvm-dev@lists.llvm.org</a>></span>:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div style="word-wrap:break-word"><br><div><span class=""><blockquote type="cite"><div>On Jul 15, 2016, at 3:14 AM, Emma Espinosa via llvm-dev <<a href="mailto:llvm-dev@lists.llvm.org" target="_blank">llvm-dev@lists.llvm.org</a>> wrote:</div><br><div><div dir="ltr" style="font-family:Calibri;font-size:16px;font-style:normal;font-weight:normal;letter-spacing:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px">Hi,<br>Which optimization passes use profile information?<span> </span><a href="http://llvm.org/docs/Passes.html" target="_blank">http://llvm.org/docs/Passes.html</a><span> </span>seems to suggest only block placement uses it, is that correct?<br></div></div></blockquote><div><br></div><div><br></div></span>Using grep in the codebase to look for BlockFrequencyInfo and BranchProbabilityInfo yield a bunch of middle passes like JumpThreading, LoopUnswitch, LoopVectorize, InductiveRangeCheckElimination. There are more in the CodeGen. And I know that we also try to use it to drive ThinLTO importing.</div><div><br></div></div></blockquote><div>ThinLTO doesn't care much about profile date right now, but it should in 2 months.</div><div><br></div><div>Piotr</div><div> <br></div><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div style="word-wrap:break-word"><div></div><div>— </div><div>Mehdi</div><div> <br></div></div></blockquote><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div style="word-wrap:break-word"><div></div></div><br>_______________________________________________<br>
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