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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW - [X86] Missing cost model for saturating add/sub intrinsics"
href="https://bugs.llvm.org/show_bug.cgi?id=40123">40123</a>
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<th>Summary</th>
<td>[X86] Missing cost model for saturating add/sub intrinsics
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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
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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>Backend: X86
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<th>Assignee</th>
<td>unassignedbugs@nondot.org
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<th>Reporter</th>
<td>nikita.ppv@gmail.com
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<th>CC</th>
<td>craig.topper@gmail.com, llvm-bugs@lists.llvm.org, llvm-dev@redking.me.uk, spatel+llvm@rotateright.com
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<pre>We currently don't have cost modelling for uadd_sat, sadd_sat, usub_sat and
ssub_sat intrinsics (and they need to be marked as trivially vectorizable). I
think this is the last blocker before we can start canonicalizing in
InstCombine.</pre>
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