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<body><span class="vcard"><a class="email" href="mailto:llvm-dev@redking.me.uk" title="Simon Pilgrim <llvm-dev@redking.me.uk>"> <span class="fn">Simon Pilgrim</span></a>
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<a class="bz_bug_link
bz_status_RESOLVED bz_closed"
title="RESOLVED FIXED - [X86] Failure to lower VSELECT on pre-SSE41 targets"
href="https://bugs.llvm.org/show_bug.cgi?id=38658">bug 38658</a>
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<tr>
<th>What</th>
<th>Removed</th>
<th>Added</th>
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<td style="text-align:right;">Resolution</td>
<td>---
</td>
<td>FIXED
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<td style="text-align:right;">Status</td>
<td>NEW
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<td>RESOLVED
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<b><a class="bz_bug_link
bz_status_RESOLVED bz_closed"
title="RESOLVED FIXED - [X86] Failure to lower VSELECT on pre-SSE41 targets"
href="https://bugs.llvm.org/show_bug.cgi?id=38658#c4">Comment # 4</a>
on <a class="bz_bug_link
bz_status_RESOLVED bz_closed"
title="RESOLVED FIXED - [X86] Failure to lower VSELECT on pre-SSE41 targets"
href="https://bugs.llvm.org/show_bug.cgi?id=38658">bug 38658</a>
from <span class="vcard"><a class="email" href="mailto:llvm-dev@redking.me.uk" title="Simon Pilgrim <llvm-dev@redking.me.uk>"> <span class="fn">Simon Pilgrim</span></a>
</span></b>
<pre>(In reply to Craig Topper from <a href="show_bug.cgi?id=38658#c3">comment #3</a>)
<span class="quote">> I'm guessing LegalizeVectorOps was the one calling LowerShift. But
> LegalizeVectorOps, unlike LegalizeDAG, doesn't know how to legalize nodes
> created by Custom handlers. So the vselect stuck around after
> LegalizeVectorOps. And LegalizeDAG doesn't know what to do with vselect.</span >
Yup that looks like what was happening, cheers. I've added the test case at
rL340393.</pre>
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