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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW - Provide cross-basic block dead store elimination"
href="https://bugs.llvm.org/show_bug.cgi?id=45792">45792</a>
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<th>Summary</th>
<td>Provide cross-basic block dead store elimination
</td>
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<th>Product</th>
<td>libraries
</td>
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<th>Version</th>
<td>trunk
</td>
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<th>Hardware</th>
<td>PC
</td>
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<th>OS</th>
<td>All
</td>
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<th>Status</th>
<td>NEW
</td>
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<th>Severity</th>
<td>enhancement
</td>
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<th>Priority</th>
<td>P
</td>
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<th>Component</th>
<td>Scalar Optimizations
</td>
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<th>Assignee</th>
<td>unassignedbugs@nondot.org
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</tr>
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<th>Reporter</th>
<td>florian_hahn@apple.com
</td>
</tr>
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<th>CC</th>
<td>llvm-bugs@lists.llvm.org
</td>
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<p>
<div>
<pre>The current Dead Store Elimination pass in LLVM eliminates stores in a single
BB only.
A new implementation of DSE using MemorySSA is currently in progress, with the
first patches already landed (<a href="https://reviews.llvm.org/rG81dbb6aec626">https://reviews.llvm.org/rG81dbb6aec626</a>,
<a href="https://reviews.llvm.org/rG3a8372ed02ab">https://reviews.llvm.org/rG3a8372ed02ab</a>)
This bug is an umbrella for tasks blocking making the MemorySSA backed DSE the
default</pre>
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