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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW - [InterleavedAccess] Crash with "(castIsValid(op, S, Ty) && "Invalid cast!")" on haswell"
href="https://bugs.llvm.org/show_bug.cgi?id=34978">34978</a>
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<th>Summary</th>
<td>[InterleavedAccess] Crash with "(castIsValid(op, S, Ty) && "Invalid cast!")" on haswell
</td>
</tr>
<tr>
<th>Product</th>
<td>libraries
</td>
</tr>
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<th>Version</th>
<td>trunk
</td>
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<th>Hardware</th>
<td>PC
</td>
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<th>OS</th>
<td>All
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<th>Status</th>
<td>NEW
</td>
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<th>Severity</th>
<td>enhancement
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<th>Priority</th>
<td>P
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<th>Component</th>
<td>Backend: X86
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<th>Assignee</th>
<td>unassignedbugs@nondot.org
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</tr>
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<th>Reporter</th>
<td>igor@azulsystems.com
</td>
</tr>
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<th>CC</th>
<td>llvm-bugs@lists.llvm.org
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<p>
<div>
<pre>Created <span class=""><a href="attachment.cgi?id=19306" name="attach_19306" title="Reduced test case">attachment 19306</a> <a href="attachment.cgi?id=19306&action=edit" title="Reduced test case">[details]</a></span>
Reduced test case
llc crashes on haswell processors with following message:
Assertion failed: (castIsValid(op, S, Ty) && "Invalid cast!"), function Create,
file /Users/igor/Projects/llvm/lib/IR/Instructions.cpp, line 2565.
Reverting this change fixes the issue:
commit 563f2fdd9270bb57a619e28caffceb7bda297ad3
Author: Michael Zuckerman <<a href="mailto:Michael.zuckerman@intel.com">Michael.zuckerman@intel.com</a>>
Date: Thu Sep 7 14:02:13 2017 +0000
[X86][LLVM]Expanding Supports lowerInterleavedLoad() in
X86InterleavedAccess (VF{8|16|32} stride 3).
Reduced test case attached. Use "llc -mcpu=haswell test.ll" to get the crash.</pre>
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