[PATCH] D139287: [OpenMP] Introduce basic JIT support to OpenMP target offloading

Joseph Huber via Phabricator via cfe-commits cfe-commits at lists.llvm.org
Fri Jan 6 06:55:35 PST 2023


jhuber6 added a comment.

In D139287#4031469 <https://reviews.llvm.org/D139287#4031469>, @hbae wrote:

> Looks like GCC 7.5 cannot build LLVM after this change. Could you please take a look?
>
>   In file included from /localdisk/hbae/LLVM/llvm-base/openmp/libomptarget/plugins-nextgen/common/PluginInterface/PluginInterface.cpp:11:0:
>   /localdisk/hbae/LLVM/llvm-base/openmp/libomptarget/plugins-nextgen/common/PluginInterface/PluginInterface.h: In member function ‘virtual llvm::Expected<std::unique_ptr<llvm::MemoryBuffer> > llvm::omp::target::plugin::GenericDeviceTy::doJITPostProcessing(std::unique_ptr<llvm::MemoryBuffer>) const’:
>   /localdisk/hbae/LLVM/llvm-base/openmp/libomptarget/plugins-nextgen/common/PluginInterface/PluginInterface.h:389:12: error: could not convert ‘MB’ from ‘std::unique_ptr<llvm::MemoryBuffer>’ to ‘llvm::Expected<std::unique_ptr<llvm::MemoryBuffer> >’
>        return MB;
>               ^~

Some older GCC's have problem with the implicit move on copy elision AFAIK. I'll add a `std::move` and let me know if that fixes it.


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D139287/new/

https://reviews.llvm.org/D139287



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