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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW --- - [ARM64] Assertion failure about 2 operand types in binary constant expression should match"
href="http://llvm.org/bugs/show_bug.cgi?id=19420">19420</a>
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<th>Summary</th>
<td>[ARM64] Assertion failure about 2 operand types in binary constant expression should match
</td>
</tr>
<tr>
<th>Product</th>
<td>new-bugs
</td>
</tr>
<tr>
<th>Version</th>
<td>trunk
</td>
</tr>
<tr>
<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>
<tr>
<th>Severity</th>
<td>normal
</td>
</tr>
<tr>
<th>Priority</th>
<td>P
</td>
</tr>
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<th>Component</th>
<td>new bugs
</td>
</tr>
<tr>
<th>Assignee</th>
<td>unassignedbugs@nondot.org
</td>
</tr>
<tr>
<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 test.c:
------------------------------------------------------------------------
#include "arm_neon.h"
int16x8_t dotest_constant_type() {
int16x8_t val;
val = vcombine_s16(vcreate_s16(UINT64_C(0xffff0000ffff0000)),
vcreate_s16(UINT64_C(0xffff0000ffff0000)));
return vshlq_n_s16(vmulq_n_s16(val,
vqabsh_s16(-1)),
5);
}
------------------------------------------------------------------------
The Error information is as following:
$clang -O3 --target=arm64-linux-gnu -c test.c
clang-3.5: llvm/llvm/lib/IR/Constants.cpp:1711: static llvm::Constant*
llvm::ConstantExpr::get(unsigned int, llvm::Constant*, llvm::Constant*,
unsigned int): Assertion `C1->getType() == C2->getType() && "Operand types in
binary constant expression should match"' failed.</pre>
</div>
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