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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW --- - ARMAsmParser fails to recognize .req directive alias name in capital letters"
href="http://llvm.org/bugs/show_bug.cgi?id=18833">18833</a>
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<th>Summary</th>
<td>ARMAsmParser fails to recognize .req directive alias name in capital letters
</td>
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<th>Product</th>
<td>libraries
</td>
</tr>
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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
</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
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<th>Component</th>
<td>Backend: ARM
</td>
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<th>Assignee</th>
<td>unassignedbugs@nondot.org
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</tr>
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<th>Reporter</th>
<td>manjian2006@gmail.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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</tr></table>
<p>
<div>
<pre>OUTPUT_BUF .req r2
will store "output_buf" in RegisterReqs.Because in AsmParser::parseStatement
=> std::string OpcodeStr = IDVal.lower();
ParseInstructionInfo IInfo(Info.AsmRewrites);
bool HadError = getTargetParser().ParseInstruction(IInfo, OpcodeStr, IDLoc,
Info.ParsedOperands);
The Name variable is treated as opcode string,and get lowered before
ParseInstruction.
And so unreg directive will fail who is expecting the original name(not getting
lowered).</pre>
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