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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW --- - [x86-64] Incorrect values for spill locations for callee saved registers"
href="http://llvm.org/bugs/show_bug.cgi?id=19905">19905</a>
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<th>Summary</th>
<td>[x86-64] Incorrect values for spill locations for callee saved registers
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<th>Product</th>
<td>new-bugs
</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>
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<th>Priority</th>
<td>P
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<th>Component</th>
<td>new bugs
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<th>Assignee</th>
<td>unassignedbugs@nondot.org
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<th>Reporter</th>
<td>sanjoy@playingwithpointers.com
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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>Created <span class=""><a href="attachment.cgi?id=12582" name="attach_12582" title="Full llc output">attachment 12582</a> <a href="attachment.cgi?id=12582&action=edit" title="Full llc output">[details]</a></span>
Full llc output
If I run the the following program through llc
declare void @llvm.eh.unwind.init()
define coldcc void @calls_unwind_init() {
call void @llvm.eh.unwind.init()
ret void
}
I get incorrect .cfi directives for the spill locations for CSR registers. Eg.
I see
.cfi_offset %rbx, -384
when, from manually inspecting the generated assembly, it should be
.cfi_offset %rbx, -120
(I've attached the full output)</pre>
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