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<base href="https://llvm.org/bugs/" />
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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW --- - [X86] Omit frame pointer even with -fno-emit-frame-pointer if there are no locals"
href="https://llvm.org/bugs/show_bug.cgi?id=26304">26304</a>
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<th>Summary</th>
<td>[X86] Omit frame pointer even with -fno-emit-frame-pointer if there are no locals
</td>
</tr>
<tr>
<th>Product</th>
<td>libraries
</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>
<tr>
<th>Severity</th>
<td>normal
</td>
</tr>
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<th>Priority</th>
<td>P
</td>
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<th>Component</th>
<td>Backend: X86
</td>
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<th>Assignee</th>
<td>unassignedbugs@nondot.org
</td>
</tr>
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<th>Reporter</th>
<td>hans@chromium.org
</td>
</tr>
<tr>
<th>CC</th>
<td>llvm-bugs@lists.llvm.org
</td>
</tr>
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<th>Blocks</th>
<td>26299
</td>
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<th>Classification</th>
<td>Unclassified
</td>
</tr></table>
<p>
<div>
<pre>For this example:
int g(int);
int f() {
return g(42);
}
even with /Oy- MSVC will not set ebp:
_f:
00000000: 6A 2A push 2Ah
00000002: E8 00 00 00 00 call _g
00000007: 59 pop ecx
00000008: C3 ret
whereas Clang does.</pre>
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