<html>
<head>
<base href="https://llvm.org/bugs/" />
</head>
<body><table border="1" cellspacing="0" cellpadding="8">
<tr>
<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW --- - [AVX-512] llc generates incorrect code"
href="https://llvm.org/bugs/show_bug.cgi?id=25518">25518</a>
</td>
</tr>
<tr>
<th>Summary</th>
<td>[AVX-512] llc generates incorrect code
</td>
</tr>
<tr>
<th>Product</th>
<td>tools
</td>
</tr>
<tr>
<th>Version</th>
<td>trunk
</td>
</tr>
<tr>
<th>Hardware</th>
<td>PC
</td>
</tr>
<tr>
<th>OS</th>
<td>Linux
</td>
</tr>
<tr>
<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>llc
</td>
</tr>
<tr>
<th>Assignee</th>
<td>unassignedbugs@nondot.org
</td>
</tr>
<tr>
<th>Reporter</th>
<td>Vsevolod.Livinskij@frtk.ru
</td>
</tr>
<tr>
<th>CC</th>
<td>llvm-bugs@lists.llvm.org
</td>
</tr>
<tr>
<th>Classification</th>
<td>Unclassified
</td>
</tr></table>
<p>
<div>
<pre>Created <span class=""><a href="attachment.cgi?id=15285" name="attach_15285" title="Reproducer.">attachment 15285</a> <a href="attachment.cgi?id=15285&action=edit" title="Reproducer.">[details]</a></span>
Reproducer.
llc produces incorrect code
Compile with clang++ func.cpp -std=c++11 -march=knl -O3 -c
fatal error: error in backend: Cannot select: 0x4b4acd0: v4i64 = bitcast
0x4b232d0
0x4b232d0: v8i64,ch = load<LD16[bitcast (i16* getelementptr inbounds ([6641 x
i16], [6641 x i16]* @in_lp6_5, i64 0, i64 226) to <8 x
i16>*)](align=4)(tbaa=<0x49e66c8>), sext from v8i16> 0x4b1ed50, 0x4b4c700,
undef:i64
0x4b4c700: i64 = X86ISD::Wrapper TargetGlobalAddress:i64<[6641 x i16]*
@in_lp6_5> + 452
0x4b1f050: i64 = TargetGlobalAddress<[6641 x i16]* @in_lp6_5> + 452
0x4b12cf0: i64 = undef
In function: _Z3foov
clang-3.8: error: clang frontend command failed with exit code 70 (use -v to
see invocation)
clang version 3.8.0 (trunk 251403)
Target: x86_64-unknown-linux-gnu
Thread model: posix</pre>
</div>
</p>
<hr>
<span>You are receiving this mail because:</span>
<ul>
<li>You are on the CC list for the bug.</li>
</ul>
</body>
</html>