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<base href="https://llvm.org/bugs/" />
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<body><table border="1" cellspacing="0" cellpadding="8">
<tr>
<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW --- - following r253240, clang does not finish compiling this example"
href="https://llvm.org/bugs/show_bug.cgi?id=25577">25577</a>
</td>
</tr>
<tr>
<th>Summary</th>
<td>following r253240, clang does not finish compiling this example
</td>
</tr>
<tr>
<th>Product</th>
<td>new-bugs
</td>
</tr>
<tr>
<th>Version</th>
<td>unspecified
</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>normal
</td>
</tr>
<tr>
<th>Priority</th>
<td>P
</td>
</tr>
<tr>
<th>Component</th>
<td>new bugs
</td>
</tr>
<tr>
<th>Assignee</th>
<td>unassignedbugs@nondot.org
</td>
</tr>
<tr>
<th>Reporter</th>
<td>yaron.keren@gmail.com
</td>
</tr>
<tr>
<th>CC</th>
<td>llvm-bugs@lists.llvm.org, resistor@mac.com, tzafrir11@gmail.com
</td>
</tr>
<tr>
<th>Classification</th>
<td>Unclassified
</td>
</tr></table>
<p>
<div>
<pre><a href="http://llvm.org/viewvc/llvm-project?view=revision&revision=253240">http://llvm.org/viewvc/llvm-project?view=revision&revision=253240</a>
Compile this code:
float __attribute__((__vector_size__(8))) add(float
__attribute__((__vector_size__(8))));
float __attribute__((__vector_size__(8))) mul();
void foo() {
float __attribute__((__vector_size__(8))) v1 = mul();
add(-v1 - v1);
}
with:
clang -c -O2 -ffast-math n1fv_7.c
r253239 finishes OK
r253240 does not finish
The sample was reduced from the fftw source file dft/simd/sse2/n1fv_7.c.</pre>
</div>
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