<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 --- - Assertion `!Legal->isUniform(SI->getPointerOperand()) && "We do not allow storing to uniform addresses"' failed."
href="https://llvm.org/bugs/show_bug.cgi?id=23157">23157</a>
</td>
</tr>
<tr>
<th>Summary</th>
<td>Assertion `!Legal->isUniform(SI->getPointerOperand()) && "We do not allow storing to uniform addresses"' failed.
</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>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>Loop Optimizer
</td>
</tr>
<tr>
<th>Assignee</th>
<td>unassignedbugs@nondot.org
</td>
</tr>
<tr>
<th>Reporter</th>
<td>peter@pcc.me.uk
</td>
</tr>
<tr>
<th>CC</th>
<td>llvmbugs@cs.uiuc.edu
</td>
</tr>
<tr>
<th>Classification</th>
<td>Unclassified
</td>
</tr></table>
<p>
<div>
<pre>(reduced from chromium third_party/mesa/src/src/mesa/main/texcompress_fxt1.c)
$ cat texcompress.c
int a, d;
const unsigned char *b[1];
char c[8];
void fn1() {
const unsigned char **e = b;
int i;
for (; a; a++)
for (; d;)
for (; i; i++)
c[i] = *e[a]++;
}
$ ~/src/llvm-build-dbg/bin/clang -O2 texcompress.c
clang-3.7: /.../lib/Transforms/Vectorize/LoopVectorize.cpp:1834: virtual void
<anonymous
namespace>::InnerLoopVectorizer::vectorizeMemoryInstruction(llvm::Instruction
*): Assertion `!Legal->isUniform(SI->getPointerOperand()) && "We do not allow
storing to uniform addresses"' failed.
Reverting r234361 fixes the assertion failure.</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>