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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW - TableGen -gen-global-isel ignores GISelPredicateCode when two PatFrag objects have the same frags value"
href="https://bugs.llvm.org/show_bug.cgi?id=39045">39045</a>
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<th>Summary</th>
<td>TableGen -gen-global-isel ignores GISelPredicateCode when two PatFrag objects have the same frags value
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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>Linux
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<th>Status</th>
<td>NEW
</td>
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<th>Severity</th>
<td>enhancement
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<th>Priority</th>
<td>P
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<th>Component</th>
<td>GlobalISel
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<th>Assignee</th>
<td>unassignedbugs@nondot.org
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<th>Reporter</th>
<td>tstellar@redhat.com
</td>
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<th>CC</th>
<td>daniel_l_sanders@apple.com, llvm-bugs@lists.llvm.org, rtereshin@apple.com
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<pre>Created <span class=""><a href="attachment.cgi?id=20909" name="attach_20909" title="Failing test case">attachment 20909</a> <a href="attachment.cgi?id=20909&action=edit" title="Failing test case">[details]</a></span>
Failing test case
To reproduce:
llvm-tblgen -gen-global-isel gisel-predicate-code-ignored.td -I$INCLUDE_DIR
It looks like the issue is that the generated match table thinks that frag_a
and frag_b are the same, and so the predicates defined in GISelPredicateCode
are never checked.</pre>
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