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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW --- - [PM] Use new PM in production for Clang, LLD, libLTO, etc. middle-end"
href="https://llvm.org/bugs/show_bug.cgi?id=28323">28323</a>
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<th>Summary</th>
<td>[PM] Use new PM in production for Clang, LLD, libLTO, etc. middle-end
</td>
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<th>Product</th>
<td>new-bugs
</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>Linux
</td>
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<th>Status</th>
<td>NEW
</td>
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<th>Severity</th>
<td>normal
</td>
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<th>Priority</th>
<td>P
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<th>Component</th>
<td>new bugs
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<th>Assignee</th>
<td>unassignedbugs@nondot.org
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<th>Reporter</th>
<td>chisophugis@gmail.com
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<th>CC</th>
<td>llvm-bugs@lists.llvm.org
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<th>Blocks</th>
<td>28322
</td>
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<th>Classification</th>
<td>Unclassified
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<pre>This bug tracks progress towards moving the main middle-end compilation
codepath of Clang, LLD, libLTO, etc. to the new PM.
Clang will be the most work for this. Essentially the entirety of
PassManagerBuilder in lib/Transforms/IPO/PassManagerBuilder.cpp needs to be
ported, including the "extension" point stuff.
The part of PassBuilder (lib/Passes/PassBuilder.cpp) which seems intended to
replace PassManagerBuilder is mostly FIXME's at the time of this writing.
Porting the LTO use case seems like a good first step.</pre>
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