<div dir="ltr">Sorry Alexey, I meant this code:<div><br></div><div>[kitayama1@juron1-adm pcp0151]$ cat tmp.cpp<br>class Base {<br>public:<br> virtual ~Base() {<br> }<br> virtual void operator()() = 0;<br>};<br><br>class Derived : public Base {<br>public:<br> virtual void operator()();<br>};<br><br>void Derived::operator()() {<br>// int x=0;<br>}<br>int main() {<br>#pragma omp target parallel for<br> for (int i =0;i<100;i++) {<br> Derived d;<br> }<br><br>}<br></div><div><br></div><div>[kitayama1@juron1-adm pcp0151]$ clang++ -fopenmp -fopenmp-targets=nvptx64 tmp.cpp<br>nvlink error : Undefined reference to '_ZdlPv' in '/tmp/tmp-f87ae4.cubin'<br>clang-11: error: nvlink command failed with exit code 255 (use -v to see invocation)<br>[kitayama1@juron1-adm pcp0151]$ c++filt _ZdlPv<br>operator delete(void*)<br></div></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Thu, Mar 26, 2020 at 10:17 PM Alexey.Bataev <<a href="mailto:a.bataev@outlook.com">a.bataev@outlook.com</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">
<div>
<p>You need to define operator() member function in Derived class to
link it correctly.<br>
</p>
<pre cols="72">-------------
Best regards,
Alexey Bataev</pre>
<div>25.03.2020 7:57 PM, Itaru Kitayama
пишет:<br>
</div>
<blockquote type="cite">
<div dir="ltr">
<div>Below code can't be built with OpenMP offloading flags
enabled:</div>
<div><br>
</div>
class Base {<br>
public:<br>
virtual void operator()() = 0;<br>
};<br>
<br>
class Derived : Base {<br>
public:<br>
void operator()();<br>
};<br>
int main() {<br>
#pragma omp target parallel for<br>
for (int i =0;i<100;i++) {<br>
Derived d;<br>
}<br>
<br>
}<br>
</div>
<br>
<div class="gmail_quote">
<div dir="ltr" class="gmail_attr">On Wed, Mar 25, 2020 at 11:47
PM Alexey.Bataev <<a href="mailto:a.bataev@outlook.com" target="_blank">a.bataev@outlook.com</a>> wrote:<br>
</div>
<blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">
<div>
<p>What doy you see and what do you expect? Could you
provide a reproducer?<br>
</p>
<pre cols="72">-------------
Best regards,
Alexey Bataev</pre>
<div>25.03.2020 1:19 AM, Itaru Kitayama via Openmp-dev
пишет:<br>
</div>
<blockquote type="cite">
<div dir="ltr">I would like to know why a class that has
virtual destructor can not be
<div>instantiated on the device while virtual methods
are ok.</div>
</div>
<br>
<fieldset></fieldset>
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</blockquote>
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</blockquote>
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</blockquote>
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