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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW - For -enable-newgvn flag seen assertion failure `ProcessedCount[V] < 100 && "Seem to have processed the same Value a lot"' failed"
href="https://bugs.llvm.org/show_bug.cgi?id=41538">41538</a>
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<th>Summary</th>
<td>For -enable-newgvn flag seen assertion failure `ProcessedCount[V] < 100 && "Seem to have processed the same Value a lot"' failed
</td>
</tr>
<tr>
<th>Product</th>
<td>libraries
</td>
</tr>
<tr>
<th>Version</th>
<td>trunk
</td>
</tr>
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<th>Hardware</th>
<td>PC
</td>
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<th>OS</th>
<td>Linux
</td>
</tr>
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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
</td>
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<th>Component</th>
<td>Loop Optimizer
</td>
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<th>Assignee</th>
<td>unassignedbugs@nondot.org
</td>
</tr>
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<th>Reporter</th>
<td>balarishi.bhogadi@amd.com
</td>
</tr>
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<th>CC</th>
<td>llvm-bugs@lists.llvm.org
</td>
</tr></table>
<p>
<div>
<pre>Created <span class=""><a href="attachment.cgi?id=21800" name="attach_21800" title="Error log">attachment 21800</a> <a href="attachment.cgi?id=21800&action=edit" title="Error log">[details]</a></span>
Error log
/* Flag: "-O2 -mllvm -enable-newgvn" */
#define ARRAY1_DIM1 4
a, b, c;
fn1() {
b = 0;
for (;; b++) {
c = 0;
for (; c < ARRAY1_DIM1; c++) {
for (; a < b + c; a++)
;
}
}
}
When compiled the small case using "-O2 -mllvm -enable-newgvn" facing
clang-9:
/home/amd/JENKINS/workspace/CPUPC_Mirror_Branch/llvm/lib/Transforms/Scalar/NewGVN.cpp:3039:
void {anonymous}::NewGVN::updateProcessedCount(const llvm::Value*): Assertion
`ProcessedCount[V] < 100 && "Seem to have processed the same Value a lot"'
failed.</pre>
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