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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW - writeout and flush functions are redundant"
href="https://bugs.llvm.org/show_bug.cgi?id=38064">38064</a>
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<th>Summary</th>
<td>writeout and flush functions are redundant
</td>
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<th>Product</th>
<td>compiler-rt
</td>
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<th>Version</th>
<td>unspecified
</td>
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<th>Hardware</th>
<td>PC
</td>
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<th>OS</th>
<td>Linux
</td>
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<th>Status</th>
<td>NEW
</td>
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<th>Severity</th>
<td>enhancement
</td>
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<th>Priority</th>
<td>P
</td>
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<th>Component</th>
<td>profile
</td>
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<th>Assignee</th>
<td>unassignedbugs@nondot.org
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<th>Reporter</th>
<td>mcastelluccio@mozilla.com
</td>
</tr>
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<th>CC</th>
<td>llvm-bugs@lists.llvm.org
</td>
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<p>
<div>
<pre>We currently have writeout functions and flush functions, where the difference
is just that the flush function is also resetting the counters to 0.
At exit, instead of calling __llvm_gcov_writeout, we could call
__llvm_gcov_flush. Since we are at exit, the fact that we reset the counters to
0 for the current module doesn't matter (as the module is not usable anymore
after that).
At exit we would still call __llvm_gcov_flush only for the module that is
exiting, at __gcov_flush we would call __llvm_gcov_flush for all modules.
The benefit is simplifying the code a bit. The drawback is that atexit will be
a bit slower (as it will have to reset the counters).</pre>
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