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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW --- - [ARM64] Assertion `Subtarget->isTargetDarwin() && "automatic va_arg instruction only works on Darwin"' failed."
href="http://llvm.org/bugs/show_bug.cgi?id=19387">19387</a>
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<th>Summary</th>
<td>[ARM64] Assertion `Subtarget->isTargetDarwin() && "automatic va_arg instruction only works on Darwin"' failed.
</td>
</tr>
<tr>
<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>Windows NT
</td>
</tr>
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<th>Status</th>
<td>NEW
</td>
</tr>
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<th>Severity</th>
<td>normal
</td>
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<th>Priority</th>
<td>P
</td>
</tr>
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<th>Component</th>
<td>llc
</td>
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<th>Assignee</th>
<td>unassignedbugs@nondot.org
</td>
</tr>
<tr>
<th>Reporter</th>
<td>mcrosier@codeaurora.org
</td>
</tr>
<tr>
<th>CC</th>
<td>llvmbugs@cs.uiuc.edu
</td>
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<th>Classification</th>
<td>Unclassified
</td>
</tr></table>
<p>
<div>
<pre>Test case:
--------------------------------------------------------------------
target datalayout = "e-m:e-i64:64-i128:128-n32:64-S128"
target triple = "arm64-none-linux-gnu"
%struct.__va_list.1 = type { i8*, i8*, i8*, i32, i32 }
define void @vaarg(%struct.__va_list.1* byval nocapture %ap)
{
entry:
%0 = va_arg %struct.__va_list.1* %ap, i32*
ret void
}
---------------------------------------------------------------------
Reproduce with llc -O3 test.ll</pre>
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