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<base href="https://llvm.org/bugs/" />
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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW --- - Cannot select: v4f64 = X86ISD::SUBV_BROADCAST"
href="https://llvm.org/bugs/show_bug.cgi?id=28770">28770</a>
</td>
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<tr>
<th>Summary</th>
<td>Cannot select: v4f64 = X86ISD::SUBV_BROADCAST
</td>
</tr>
<tr>
<th>Product</th>
<td>libraries
</td>
</tr>
<tr>
<th>Version</th>
<td>trunk
</td>
</tr>
<tr>
<th>Hardware</th>
<td>PC
</td>
</tr>
<tr>
<th>OS</th>
<td>All
</td>
</tr>
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<th>Status</th>
<td>NEW
</td>
</tr>
<tr>
<th>Severity</th>
<td>normal
</td>
</tr>
<tr>
<th>Priority</th>
<td>P
</td>
</tr>
<tr>
<th>Component</th>
<td>Backend: X86
</td>
</tr>
<tr>
<th>Assignee</th>
<td>unassignedbugs@nondot.org
</td>
</tr>
<tr>
<th>Reporter</th>
<td>igor@azulsystems.com
</td>
</tr>
<tr>
<th>CC</th>
<td>llvm-bugs@lists.llvm.org
</td>
</tr>
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<th>Classification</th>
<td>Unclassified
</td>
</tr></table>
<p>
<div>
<pre>Created <span class=""><a href="attachment.cgi?id=16837" name="attach_16837" title="Test case">attachment 16837</a> <a href="attachment.cgi?id=16837&action=edit" title="Test case">[details]</a></span>
Test case
LLVM fails with:
$ llc test.ll
LLVM ERROR: Cannot select: 0x7fe4c4082730: v4f64 = X86ISD::SUBV_BROADCAST
0x7fe4c4082500
0x7fe4c4082500: v2f64,ch = load<LD16[%tmp142(addrspace=1)]> 0x7fe4c3c0cfd0,
0x7fe4c4082340, undef:i64
0x7fe4c4082340: i64 = add 0x7fe4c4081e70, Constant:i64<8>
0x7fe4c4081e70: i64,ch = CopyFromReg 0x7fe4c3c0cfd0, Register:i64 %vreg0
0x7fe4c4081e00: i64 = Register %vreg0
0x7fe4c4081fc0: i64 = Constant<8>
0x7fe4c40821f0: i64 = undef
In function: test
Reverting this change: <a href="https://reviews.llvm.org/D22460">https://reviews.llvm.org/D22460</a> allows test to pass.</pre>
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