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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW --- - MIR parsing of BranchProbability is broken"
href="https://llvm.org/bugs/show_bug.cgi?id=28774">28774</a>
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<th>Summary</th>
<td>MIR parsing of BranchProbability is broken
</td>
</tr>
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<th>Product</th>
<td>tools
</td>
</tr>
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<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>
</tr>
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<th>Severity</th>
<td>normal
</td>
</tr>
<tr>
<th>Priority</th>
<td>P
</td>
</tr>
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<th>Component</th>
<td>llc
</td>
</tr>
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<th>Assignee</th>
<td>unassignedbugs@nondot.org
</td>
</tr>
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<th>Reporter</th>
<td>d.c.ddcc@gmail.com
</td>
</tr>
<tr>
<th>CC</th>
<td>llvm-bugs@lists.llvm.org
</td>
</tr>
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<th>Classification</th>
<td>Unclassified
</td>
</tr></table>
<p>
<div>
<pre>The branch probability is printed as e.g. "successors:
%bb.2.for.body(0x7c000000 / 0x80000000 = 96.88%)" by BranchProbability.cpp:31:
OS << format("0x%08" PRIx32 " / 0x%08" PRIx32 " = %.2f%%", N, D, Percent);
But this is parsed by MIParser.cpp:463 as:
if (consumeIfPresent(MIToken::lparen)) {
if (Token.isNot(MIToken::IntegerLiteral))
return error("expected an integer literal after '('");
if (getUnsigned(Weight))
return true;
lex();
if (expectAndConsume(MIToken::rparen))
return true;
}</pre>
</div>
</p>
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