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<p class="MsoNormal">I have an alternative at <a href="https://reviews.llvm.org/D68666">
https://reviews.llvm.org/D68666</a>.<o:p></o:p></p>
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<p class="MsoNormal"><span style="font-size:9.0pt;font-family:Consolas">-- </span>
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<p class="MsoNormal"><span style="font-size:8.0pt;font-family:Consolas">Krzysztof Parzyszek
<a href="mailto:kparzysz@quicinc.com"><span style="color:#0563C1">kparzysz@quicinc.com</span></a> AI tools development<o:p></o:p></span></p>
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<p class="MsoNormal"><b>From:</b> Matt Arsenault <whatmannerofburgeristhis@gmail.com>
<b>On Behalf Of </b>Matt Arsenault<br>
<b>Sent:</b> Monday, October 7, 2019 4:50 PM<br>
<b>To:</b> Krzysztof Parzyszek <kparzysz@quicinc.com><br>
<b>Cc:</b> Quentin Colombet <qcolombet@apple.com>; Matthew P Arsenault <Matthew.Arsenault@amd.com>; llvm-dev@lists.llvm.org; Pranav Bhandarkar <pranavb@quicinc.com><br>
<b>Subject:</b> [EXT] Re: [llvm-dev] LiveInterval error with 2 dead defs<o:p></o:p></p>
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<p class="MsoNormal">On Oct 7, 2019, at 14:04, Krzysztof Parzyszek 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">The associated patch caused a compilation problems on Hexagon:<span class="apple-converted-space"> </span><a href="https://bugs.llvm.org/show_bug.cgi?id=43302"><span style="color:purple">https://bugs.llvm.org/show_bug.cgi?id=43302</span></a><o:p></o:p></p>
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<p class="MsoNormal"> <o:p></o:p></p>
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<p class="MsoNormal">The splitting of a live interval should not be done automatically upon creation. Calling LIS->getInterval(Reg) should not go around changing the code behind the scenes. <o:p></o:p></p>
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<p class="MsoNormal">There is already a function “splitSeparateComponents” that does that. It should be added where it’s missing.<o:p></o:p></p>
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<p class="MsoNormal">The patch is using splitSeparateComponents. Where else would it go? The problem is with the initial live interval creation.<o:p></o:p></p>
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<p class="MsoNormal">-Matt<o:p></o:p></p>
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