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<body><span class="vcard"><a class="email" href="mailto:anemet@apple.com" title="Adam Nemet <anemet@apple.com>"> <span class="fn">Adam Nemet</span></a>
</span> changed
<a class="bz_bug_link
bz_status_RESOLVED bz_closed"
title="RESOLVED FIXED - assert in LoopVersioning "Exit block should only have on predecessor" (triggered by the pass LoopLoadElimination)"
href="https://llvm.org/bugs/show_bug.cgi?id=27023">bug 27023</a>
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<table border="1" cellspacing="0" cellpadding="8">
<tr>
<th>What</th>
<th>Removed</th>
<th>Added</th>
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<td style="text-align:right;">Status</td>
<td>NEW
</td>
<td>RESOLVED
</td>
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<td style="text-align:right;">Resolution</td>
<td>---
</td>
<td>FIXED
</td>
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<b><a class="bz_bug_link
bz_status_RESOLVED bz_closed"
title="RESOLVED FIXED - assert in LoopVersioning "Exit block should only have on predecessor" (triggered by the pass LoopLoadElimination)"
href="https://llvm.org/bugs/show_bug.cgi?id=27023#c1">Comment # 1</a>
on <a class="bz_bug_link
bz_status_RESOLVED bz_closed"
title="RESOLVED FIXED - assert in LoopVersioning "Exit block should only have on predecessor" (triggered by the pass LoopLoadElimination)"
href="https://llvm.org/bugs/show_bug.cgi?id=27023">bug 27023</a>
from <span class="vcard"><a class="email" href="mailto:anemet@apple.com" title="Adam Nemet <anemet@apple.com>"> <span class="fn">Adam Nemet</span></a>
</span></b>
<pre>It was an overeager assert. I fixed it in r264081:
When you have multiple LCSSA (single-operand) PHIs that are converted
into two-operand PHIs due to versioning, only assert that the PHI
currently being converted has a single operand. I.e. we don't want to
check PHIs that were converted earlier in the loop.</pre>
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