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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW --- - missed optimization: i > 0xffff || i*4 > 0xffff"
href="http://llvm.org/bugs/show_bug.cgi?id=15583">15583</a>
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<th>Summary</th>
<td>missed optimization: i > 0xffff || i*4 > 0xffff
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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>normal
</td>
</tr>
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<th>Priority</th>
<td>P
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<th>Component</th>
<td>Common Code Generator Code
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<th>Assignee</th>
<td>unassignedbugs@nondot.org
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</tr>
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<th>Reporter</th>
<td>felix-llvm@fefe.de
</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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<p>
<div>
<pre>Consider this test code:
int foo(unsigned int i) {
if (i > 0xffff || i*4 > 0xffff)
baz();
}
clang/llvm generates two compare and one shift.
I was hoping it would generate something like one compare with 0x3fff.</pre>
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