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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW --- - CFL-AA doesn't understand internal global values properly"
href="http://llvm.org/bugs/show_bug.cgi?id=22801">22801</a>
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<th>Summary</th>
<td>CFL-AA doesn't understand internal global values properly
</td>
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<th>Product</th>
<td>libraries
</td>
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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
</td>
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<th>Status</th>
<td>NEW
</td>
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<th>Severity</th>
<td>normal
</td>
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<th>Priority</th>
<td>P
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<th>Component</th>
<td>Global Analyses
</td>
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<th>Assignee</th>
<td>unassignedbugs@nondot.org
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<th>Reporter</th>
<td>james.molloy@arm.com
</td>
</tr>
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<th>CC</th>
<td>llvmbugs@cs.uiuc.edu
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<th>Classification</th>
<td>Unclassified
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<p>
<div>
<pre>In the following code:
static int g_1 = 0;
int f3(int n, int * a) {
int i;
for (i = 0; i < n; ++i) {
g_1 += a[i];
}
return g_1;
}
We know g_1 is internal and does not escape, therefore it cannot alias with
a[i]. CFL cannot currently work this out.</pre>
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