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<p class="MsoNormal"><span style="font-family:"Book Antiqua",serif;mso-fareast-language:EN-US">Thanks Chandler, I guess I’ll have to wait a few more months so ;-)<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family:"Book Antiqua",serif;mso-fareast-language:EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-family:"Book Antiqua",serif;mso-fareast-language:EN-US"> MartinO<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-family:"Book Antiqua",serif;mso-fareast-language:EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><b><span lang="EN-US" style="font-size:11.0pt;font-family:"Calibri",sans-serif">From:</span></b><span lang="EN-US" style="font-size:11.0pt;font-family:"Calibri",sans-serif"> Chandler Carruth [mailto:chandlerc@gmail.com]
<br>
<b>Sent:</b> Wednesday, October 18, 2017 5:37 PM<br>
<b>To:</b> ORiordan, Martin <martin.oriordan@intel.com>; Chandler Carruth <chandlerc@gmail.com>; llvm-dev <llvm-dev@lists.llvm.org><br>
<b>Subject:</b> Re: [llvm-dev] RFC: Switching to the new pass manager by default<o:p></o:p></span></p>
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<p class="MsoNormal">On Wed, Oct 18, 2017 at 2:28 AM ORiordan, Martin via llvm-dev <<a href="mailto:llvm-dev@lists.llvm.org">llvm-dev@lists.llvm.org</a>> wrote:<o:p></o:p></p>
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<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span style="font-family:"Book Antiqua",serif">Hi Chandler,</span><o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span style="font-family:"Book Antiqua",serif">I don’t track the head revisions, instead I do a “Big Bang” update with each 6-month formal release of the LLVM suite, and I am now
at v5.0.</span><o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span style="font-family:"Book Antiqua",serif">Is the implementation of the new pass manager in LLVM v5.0 suitable for me to usefully experiment with it so as to provide feedback,
or should I wait and try it out with v6.0?</span><o:p></o:p></p>
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<p class="MsoNormal">Unfortunately, some very important fixes landed after 5.0, and the risk was too high to cherry-pick them to fix an off-by-default feature. LLVM since the start of August is in a pretty stable state for testing this stuff.<o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">-Chandler<o:p></o:p></p>
<p class="MsoNormal"><span style="font-family:"Book Antiqua",serif"><o:p> </o:p></span></p>
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