<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="">You need to be careful that an LTO build won’t inline and eliminate this.<div class=""><br class=""></div><div class="">— </div><div class="">Mehdi</div><div class=""><br class=""><div><blockquote type="cite" class=""><div class="">On Jan 12, 2016, at 8:02 AM, David Blaikie via llvm-commits <<a href="mailto:llvm-commits@lists.llvm.org" class="">llvm-commits@lists.llvm.org</a>> wrote:</div><br class="Apple-interchange-newline"><div class=""><div dir="ltr" class="">Do you need to call anything? Could you just take the address of the function and return it, stuff it in a global, or otherwise escape it?</div><div class="gmail_extra"><br class=""><div class="gmail_quote">On Tue, Jan 12, 2016 at 12:02 AM, Dimitry Andric via llvm-commits <span dir="ltr" class=""><<a href="mailto:llvm-commits@lists.llvm.org" target="_blank" class="">llvm-commits@lists.llvm.org</a>></span> wrote:<br class=""><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">dim added a subscriber: grosser.<br class="">
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Comment at: include/llvm/LinkAllPasses.h:191<br class="">
@@ -190,3 +196,3 @@<br class="">
<span class=""> llvm::RGPassManager RGM;<br class="">
- ((llvm::RegionPass*)nullptr)->runOnRegion((llvm::Region*)nullptr, RGM);<br class="">
</span> llvm::AliasSetTracker X(*(llvm::AliasAnalysis*)nullptr);<br class="">
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@grosser, you originally added this part in rL117263 ("Reference RegionPass to stop it being eliminated"), do you have any suggestions? If the goal is to to unsure RegionPass.cpp is linked in, I think we can call `RegionPass::createPrinterPass()` instead.<br class="">
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<a href="http://reviews.llvm.org/D15996" rel="noreferrer" target="_blank" class="">http://reviews.llvm.org/D15996</a><br class="">
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