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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 --- - compiler aborted with "Function return type does not match operand type of return inst!""
href="https://llvm.org/bugs/show_bug.cgi?id=24386">24386</a>
</td>
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<tr>
<th>Summary</th>
<td>compiler aborted with "Function return type does not match operand type of return inst!"
</td>
</tr>
<tr>
<th>Product</th>
<td>libraries
</td>
</tr>
<tr>
<th>Version</th>
<td>trunk
</td>
</tr>
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<th>Hardware</th>
<td>PC
</td>
</tr>
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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>
<tr>
<th>Priority</th>
<td>P
</td>
</tr>
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<th>Component</th>
<td>Backend: ARM
</td>
</tr>
<tr>
<th>Assignee</th>
<td>unassignedbugs@nondot.org
</td>
</tr>
<tr>
<th>Reporter</th>
<td>chh@google.com
</td>
</tr>
<tr>
<th>CC</th>
<td>llvm-bugs@lists.llvm.org
</td>
</tr>
<tr>
<th>Classification</th>
<td>Unclassified
</td>
</tr></table>
<p>
<div>
<pre>The test case is reduced from main-05c473.cpp in
<a href="https://code.google.com/p/android/issues/detail?id=182036">https://code.google.com/p/android/issues/detail?id=182036</a>
$ cat test.cpp
struct Vec2 {
union {
struct {
float x, y;
};
float data[2];
};
};
Vec2 getVec2()
{
Vec2 out;
union { Vec2* v; unsigned char* u; } x;
x.v = &out;
return out;
}
$ clang++ \
-cc1 \
-triple armv7-none-linux-androideabi \
-target-cpu cortex-a8 \
-target-abi aapcs-linux \
-mfloat-abi hard \
-x c++ -emit-llvm \
test.cpp
Clang++ aborted with error message:
Function return type does not match operand type of return inst!
ret void <badref>
%struct.Vec2 = type { %union.anon }fatal error: error in backend: Broken
function found, compilation aborted!</pre>
</div>
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