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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW --- - [ARM64] Can not select ARM64ISD::NOT of v1i64 type"
href="http://llvm.org/bugs/show_bug.cgi?id=19367">19367</a>
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<th>Summary</th>
<td>[ARM64] Can not select ARM64ISD::NOT of v1i64 type
</td>
</tr>
<tr>
<th>Product</th>
<td>new-bugs
</td>
</tr>
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<th>Version</th>
<td>trunk
</td>
</tr>
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<th>Hardware</th>
<td>PC
</td>
</tr>
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<th>OS</th>
<td>Linux
</td>
</tr>
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<th>Status</th>
<td>NEW
</td>
</tr>
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<th>Severity</th>
<td>normal
</td>
</tr>
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<th>Priority</th>
<td>P
</td>
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<th>Component</th>
<td>new bugs
</td>
</tr>
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<th>Assignee</th>
<td>unassignedbugs@nondot.org
</td>
</tr>
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<th>Reporter</th>
<td>Hao.Liu@arm.com
</td>
</tr>
<tr>
<th>CC</th>
<td>llvmbugs@cs.uiuc.edu
</td>
</tr>
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<th>Classification</th>
<td>Unclassified
</td>
</tr></table>
<p>
<div>
<pre>Test case:
----------------------------------------------------------------
#include "arm_neon.h"
uint64x1_t dotest_not_v1i64(uint64x1_t in0, uint64x1_t in1) {
return vtst_u64(in0, vcge_u64(in0, in1));
}
----------------------------------------------------------------
The error information is as following:
$ clang --target=arm64-linux-gnu -O3 -S dotest_1.c
fatal error: error in backend: Cannot select: 0x74030f0: v1i64 = ARM64ISD::NOT
0x7402fe8 [ORD=4] [ID=8]
0x7402fe8: v1i64 = ARM64ISD::CMEQz 0x74027a8 [ORD=4] [ID=6]
0x74027a8: v1i64,ch = CopyFromReg 0x73c60c0, 0x74026a0 [ORD=1] [ID=4]
0x74026a0: v1i64 = Register %vreg0 [ID=1]
In function: dotest_not_v1i64</pre>
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