<div dir="ltr">Alexey,<div><br></div><div>In my app, NEST, the code which creates an object on the device does not build if offloading flags are enabled but</div><div>does build without it. It will likely be difficult to come up with a compact reproducer, would it be ok for you to ask to take</div><div>a look at the code I am working on? </div></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Tue, Feb 4, 2020 at 8:01 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 dir="auto">
It must be fixed. But you need to add #include <new> to your program.<br>
<br>
<div dir="ltr">Best regards,
<div>Alexey Bataev</div>
</div>
<div dir="ltr"><br>
<blockquote type="cite">3 февр. 2020 г., в 23:34, Itaru Kitayama <<a href="mailto:itaru.kitayama@gmail.com" target="_blank">itaru.kitayama@gmail.com</a>> написал(а):<br>
<br>
</blockquote>
</div>
<blockquote type="cite">
<div dir="ltr">
<div dir="ltr">Alexey,
<div><br>
</div>
<div>Am still seeing a build time error like below:</div>
<div>$ clang++ -g -fopenmp -fopenmp-targets=nvptx64 new.cpp<br>
nvlink error : Undefined reference to '_Znam' in '/tmp/new-a4b234.cubin'<br>
clang-11: error: nvlink command failed with exit code 255 (use -v to see invocation)<br>
$ cat new.cpp<br>
int main() {<br>
#pragma omp target parallel for<br>
for (int i=0;i<10;i++) {<br>
int *a = new int[100];<br>
}<br>
}<br>
</div>
<div><br>
</div>
<div>Are you still working on this? My Clang(-11) is the latest one built from Trunk.</div>
<div><br>
</div>
</div>
<br>
<div class="gmail_quote">
<div dir="ltr" class="gmail_attr">On Wed, Jan 22, 2020 at 4:34 AM 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>Ok, it compiles with <a href="https://reviews.llvm.org/D73128" target="_blank">
https://reviews.llvm.org/D73128</a> applied and additional include of stdlib.h. Still, cannot be executed, though, most probably beacuse of the virtual functions.<br>
</p>
<p><br>
</p>
<pre cols="72">-------------
Best regards,
Alexey Bataev</pre>
<div>20.01.2020 6:21 PM, Itaru Kitayama пишет:<br>
</div>
<blockquote type="cite">
<div dir="ltr">This reproducer attached, while it may have irrelevant code, shows the issue.
<div><br>
</div>
<div>clang++ -g -fopenmp -fopenmp-targets=nvptx64 my1.cpp</div>
<div><br>
</div>
</div>
<br>
<div class="gmail_quote">
<div dir="ltr" class="gmail_attr">On Fri, Jan 17, 2020 at 3:16 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>No idea what does it mean. What object? Where locally? Provide code and steps to reproduce.<br>
</p>
<pre cols="72">-------------
Best regards,
Alexey Bataev</pre>
<div>16.01.2020 6:50 PM, Itaru Kitayama via Openmp-dev пишет:<br>
</div>
<blockquote type="cite">
<div dir="ltr">Hi,
<div><br>
</div>
<div>Locally creating an object under the target region causes nvlink</div>
<div>errors (same code builds fine without offloading support flags):</div>
<div><br>
</div>
<div> nvlink error : Undefined reference to '_ZNK14AggregateDatumIN4nest12ConnectionIDEXadL_ZNS0_10NestModule14ConnectionTypeEEEE5printERSo' in '/tmp/event_delivery_manager-656e32.cubin'</div>
nvlink error : Undefined reference to '_ZNK14AggregateDatumIN4nest12ConnectionIDEXadL_ZNS0_10NestModule14ConnectionTypeEEEE6pprintERSo' in '/tmp/event_delivery_manager-656e32.cubin'<br>
nvlink error : Undefined reference to '_ZNK5Datum4infoERSo' in '/tmp/event_delivery_manager-656e32.cubin'<br>
nvlink error : Undefined reference to '__assert_fail' in '/tmp/event_delivery_manager-656e32.cubin'<br>
nvlink error : Undefined reference to '_ZN4nest12ConnectionIDC2ERKS0_' in '/tmp/event_delivery_manager-656e32.cubin'<br>
nvlink error : Undefined reference to '_Znam' in '/tmp/event_delivery_manager-656e32.cubin'<br>
nvlink error : Undefined reference to '_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEaSEOS4_' in '/tmp/event_delivery_manager-656e32.cubin'<br>
nvlink error : Undefined reference to '_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEED1Ev' in '/tmp/event_delivery_manager-656e32.cubin'<br>
nvlink error : Undefined reference to '_ZStlsIcSt11char_traitsIcESaIcEERSt13basic_ostreamIT_T0_ES7_RKNSt7__cxx1112basic_stringIS4_S5_T1_EE' in '/tmp/event_delivery_manager-656e32.cubin'<br>
nvlink error : Undefined reference to '_ZN4nest19WeightRecorderEventclEv' in '/tmp/event_delivery_manager-656e32.cubin'<br>
nvlink error : Undefined reference to '_ZN3sli4pool4growEm' in '/tmp/event_delivery_manager-656e32.cubin'<br>
nvlink error : Undefined reference to '_ZSt20__throw_length_errorPKc' in '/tmp/event_delivery_manager-656e32.cubin'<br>
nvlink error : Undefined reference to '_ZSt17__throw_bad_allocv' in '/tmp/event_delivery_manager-656e32.cubin'<br>
nvlink error : Undefined reference to '_Znwm' in '/tmp/event_delivery_manager-656e32.cubin'<br>
nvlink error : Undefined reference to 'strlen' in '/tmp/event_delivery_manager-656e32.cubin'<br>
nvlink error : Undefined reference to '_ZN5TokenC1El' in '/tmp/event_delivery_manager-656e32.cubin'<br>
nvlink error : Undefined reference to '_ZdlPv' in '/tmp/event_delivery_manager-656e32.cubin'<br>
nvlink error : Undefined reference to 'rand' in '/tmp/event_delivery_manager-656e32.cubin'<br>
nvlink error : Undefined reference to '_ZN5TokenC1Ed' in '/tmp/event_delivery_manager-656e32.cubin'<br>
nvlink error : Undefined reference to '_ZN4nest19WeightRecorderEventC2Ev' in '/tmp/event_delivery_manager-656e32.cubin'<br>
nvlink error : Undefined reference to '_ZSt18_Rb_tree_decrementPSt18_Rb_tree_node_base' in '/tmp/event_delivery_manager-656e32.cubin'<br>
nvlink error : Undefined reference to '_ZSt29_Rb_tree_insert_and_rebalancebPSt18_Rb_tree_node_baseS0_RS_' in '/tmp/event_delivery_manager-656e32.cubin'<br>
nvlink error : Undefined reference to '_Z8getValueIdET_RK5Token' in '/tmp/event_delivery_manager-656e32.cubin'<br>
nvlink error : Undefined reference to '_ZN4nest12ConnectionIDC1Elllll' in '/tmp/event_delivery_manager-656e32.cubin'<br>
nvlink error : Undefined reference to '_Z8ld_roundd' in '/tmp/event_delivery_manager-656e32.cubin'<br>
nvlink error : Undefined reference to '_ZNK4nest11SourceTable7get_gidEijm' in '/tmp/event_delivery_manager-656e32.cubin'<br>
nvlink error : Undefined reference to '__dynamic_cast' in '/tmp/event_delivery_manager-656e32.cubin'<br>
nvlink error : Undefined reference to '_ZNK4nest12ConnectionIDeqERKS0_' in '/tmp/event_delivery_manager-656e32.cubin'<br>
nvlink error : Undefined reference to '_ZN4nest17ConnectionManager17get_delay_checkerEv' in '/tmp/event_delivery_manager-656e32.cubin'<br>
nvlink error : Undefined reference to '_ZN4nest12DelayChecker21assert_valid_delay_msEd' in '/tmp/event_delivery_manager-656e32.cubin'<br>
nvlink error : Undefined reference to '_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEC1Ev' in '/tmp/event_delivery_manager-656e32.cubin'<br>
nvlink error : Undefined reference to '_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE7reserveEm' in '/tmp/event_delivery_manager-656e32.cubin'<br>
nvlink error : Undefined reference to '_ZNKSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE4sizeEv' in '/tmp/event_delivery_manager-656e32.cubin'<br>
nvlink error : Undefined reference to '_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE6appendEPKcm' in '/tmp/event_delivery_manager-656e32.cubin'<br>
nvlink error : Undefined reference to '_ZNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEE6appendERKS4_' in '/tmp/event_delivery_manager-656e32.cubin'<br>
nvlink error : Undefined reference to '_ZN4Name6insertERKNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEE' in '/tmp/event_delivery_manager-656e32.cubin'<br>
nvlink error : Undefined reference to '_ZSt18_Rb_tree_incrementPSt18_Rb_tree_node_base' in '/tmp/event_delivery_manager-656e32.cubin'<br>
nvlink error : Undefined reference to '_ZN4nest4Time5Range12STEPS_PER_MSE' in '/tmp/event_delivery_manager-656e32.cubin'<br>
nvlink error : Undefined reference to '_ZN4nest5names6targetE' in '/tmp/event_delivery_manager-656e32.cubin'<br>
nvlink error : Undefined reference to '_ZN4nest5names6weightE' in '/tmp/event_delivery_manager-656e32.cubin'<br>
nvlink error : Undefined reference to '_ZN4nest5names7size_ofE' in '/tmp/event_delivery_manager-656e32.cubin'<br>
nvlink error : Undefined reference to '_ZN4nest5names5delayE' in '/tmp/event_delivery_manager-656e32.cubin'<br>
nvlink error : Undefined reference to '_ZN4nest4Time5Range11MS_PER_STEPE' in '/tmp/event_delivery_manager-656e32.cubin'<br>
nvlink error : Undefined reference to '_ZN4nest5names5rportE' in '/tmp/event_delivery_manager-656e32.cubin'<br>
nvlink error : Undefined reference to '_ZStL19piecewise_construct' in '/tmp/event_delivery_manager-656e32.cubin'<br>
nvlink error : Undefined reference to '_ZN4nest13KernelManager24kernel_manager_instance_E' in '/tmp/event_delivery_manager-656e32.cubin'<br>
nvlink error : Undefined reference to '_ZN10Dictionary9VoidTokenE' in '/tmp/event_delivery_manager-656e32.cubin'<br>
nvlink error : Undefined reference to '_ZN4nest10NestModule14ConnectionTypeE' in '/tmp/event_delivery_manager-656e32.cubin'<br>
nvlink error : Undefined reference to '_ZTV5Datum' in '/tmp/event_delivery_manager-656e32.cubin'<br>
nvlink error : Undefined reference to '_ZN14AggregateDatumIN4nest12ConnectionIDEXadL_ZNS0_10NestModule14ConnectionTypeEEEE6memoryE' in '/tmp/event_delivery_manager-656e32.cubin'<br>
nvlink error : Undefined reference to '_ZL14max_block_size' in '/tmp/event_delivery_manager-656e32.cubin'<br>
clang-11: error: nvlink command failed with exit code 255 (use -v to see invocation)<br>
make[2]: *** [nestkernel/libnestkernel.so] Error 255<br>
make[1]: *** [nestkernel/CMakeFiles/nestkernel.dir/all] Error 2<br>
make: *** [all] Error 2
<div><br>
</div>
<div>What should I do?</div>
</div>
<br>
<fieldset></fieldset>
<pre>_______________________________________________
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</pre>
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