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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW - Linking for aarch64-windows is very slow"
href="https://bugs.llvm.org/show_bug.cgi?id=39667">39667</a>
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<th>Summary</th>
<td>Linking for aarch64-windows is very slow
</td>
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<th>Product</th>
<td>lld
</td>
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<th>Version</th>
<td>unspecified
</td>
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<th>Hardware</th>
<td>PC
</td>
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<th>OS</th>
<td>Windows NT
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<th>Status</th>
<td>NEW
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<th>Severity</th>
<td>enhancement
</td>
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<th>Priority</th>
<td>P
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<th>Component</th>
<td>COFF
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<th>Assignee</th>
<td>unassignedbugs@nondot.org
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<th>Reporter</th>
<td>dmajor@mozilla.com
</td>
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<th>CC</th>
<td>froydnj@gmail.com, llvm-bugs@lists.llvm.org, martin@martin.st, rnk@google.com, ruiu@google.com
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<p>
<div>
<pre>Linking Firefox's xul.dll for aarch64-windows using lld-link takes 10x as long
as link.exe -- over 13 minutes.
I took a profile and essentially all the time is in comparing relocations for
equalsConstant under ICF::segregate.
I don't understand why equalsConstant is even looking at relocations. The
comments above equalsConstant and equalsVariable suggest that they would be
doing complementary work -- relocations vs everything else. But equalsConstant
has all of the checks of equalsVariable, and then some.</pre>
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