<html>
<head>
<base href="https://bugs.llvm.org/">
</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 - [X86][AMX] Pass modifies its input and doesn't report it: Lower AMX type for load/store"
href="https://bugs.llvm.org/show_bug.cgi?id=51513">51513</a>
</td>
</tr>
<tr>
<th>Summary</th>
<td>[X86][AMX] Pass modifies its input and doesn't report it: Lower AMX type for load/store
</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>Windows NT
</td>
</tr>
<tr>
<th>Status</th>
<td>NEW
</td>
</tr>
<tr>
<th>Severity</th>
<td>enhancement
</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>llvm-dev@redking.me.uk
</td>
</tr>
<tr>
<th>CC</th>
<td>bing1.yu@intel.com, craig.topper@gmail.com, llvm-bugs@lists.llvm.org, llvm-dev@redking.me.uk, pengfei.wang@intel.com, spatel+llvm@rotateright.com
</td>
</tr></table>
<p>
<div>
<pre>In an EXPENSIVE_CHECKS VS2019 release build I'm currently seeing this:
$ ":" "RUN: at line 2"
$ "e:\llvm\ninja\bin\opt.exe" "--codegen-opt-level=2" "-mtriple=x86_64"
"-lower-amx-type"
"E:\llvm\llvm-project\llvm\test\CodeGen\X86\AMX\lat-combine-amx-bitcast.ll"
"-S"
# command stderr:
Pass modifies its input and doesn't report it: Lower AMX type for load/store
Pass modifies its input and doesn't report it
UNREACHABLE executed at
E:\llvm\llvm-project\llvm\lib\IR\LegacyPassManager.cpp:1445!
PLEASE submit a bug report to <a href="https://bugs.llvm.org/">https://bugs.llvm.org/</a> and include the crash
backtrace.
Stack dump:
0. Program arguments: e:\\llvm\\ninja\\bin\\opt.exe --codegen-opt-level=2
-mtriple=x86_64 -lower-amx-type
E:\\llvm\\llvm-project\\llvm\\test\\CodeGen\\X86\\AMX\\lat-combine-amx-bitcast.ll
-S
1. Running pass 'Function Pass Manager' on module
'E:\llvm\llvm-project\llvm\test\CodeGen\X86\AMX\lat-combine-amx-bitcast.ll'.
2. Running pass 'Lower AMX type for load/store' on function
'@combine_amx_cast_inside_bb'
#0 0x00007ff6fb9b6cf5 HandleAbort
E:\llvm\llvm-project\llvm\lib\Support\Windows\Signals.inc:408:0
********************
Testing: 0.. 10.. 20.. 30.. 40.. 50.. 60.. 70.. 80.. 90..
********************
Failed Tests (2):
LLVM :: CodeGen/X86/AMX/lat-combine-amx-bitcast.ll
LLVM :: CodeGen/X86/AMX/lat-transform-amx-bitcast.ll</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>