<div dir="ltr"><div dir="ltr">It looks like this is still causing crashes, so I've temporarily reverted this as <a href="https://reviews.llvm.org/rL351845">https://reviews.llvm.org/rL351845</a>. I hope to have a repro later today.<br></div></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Thu, Jan 17, 2019 at 9:01 PM Max Kazantsev via llvm-commits <<a href="mailto:llvm-commits@lists.llvm.org">llvm-commits@lists.llvm.org</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">Author: mkazantsev<br>
Date: Thu Jan 17 20:57:32 2019<br>
New Revision: 351520<br>
<br>
URL: <a href="http://llvm.org/viewvc/llvm-project?rev=351520&view=rev" rel="noreferrer" target="_blank">http://llvm.org/viewvc/llvm-project?rev=351520&view=rev</a><br>
Log:<br>
Re-enable terminator folding in LoopSimplifyCFG: underlying bugs fixed<br>
<br>
Modified:<br>
    llvm/trunk/lib/Transforms/Scalar/LoopSimplifyCFG.cpp<br>
<br>
Modified: llvm/trunk/lib/Transforms/Scalar/LoopSimplifyCFG.cpp<br>
URL: <a href="http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Transforms/Scalar/LoopSimplifyCFG.cpp?rev=351520&r1=351519&r2=351520&view=diff" rel="noreferrer" target="_blank">http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Transforms/Scalar/LoopSimplifyCFG.cpp?rev=351520&r1=351519&r2=351520&view=diff</a><br>
==============================================================================<br>
--- llvm/trunk/lib/Transforms/Scalar/LoopSimplifyCFG.cpp (original)<br>
+++ llvm/trunk/lib/Transforms/Scalar/LoopSimplifyCFG.cpp Thu Jan 17 20:57:32 2019<br>
@@ -42,7 +42,7 @@ using namespace llvm;<br>
 #define DEBUG_TYPE "loop-simplifycfg"<br>
<br>
 static cl::opt<bool> EnableTermFolding("enable-loop-simplifycfg-term-folding",<br>
-                                       cl::init(false));<br>
+                                       cl::init(true));<br>
<br>
 STATISTIC(NumTerminatorsFolded,<br>
           "Number of terminators folded to unconditional branches");<br>
<br>
<br>
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</blockquote></div>