[llvm-dev] use virtual file with llvm::MemoryBuffer::getFileOrSTDIN instead of real file
Simeon Ehrig via llvm-dev
llvm-dev at lists.llvm.org
Tue Jun 11 08:00:56 PDT 2019
we extend the cling C++ interpreter
(https://github.com/root-project/cling) with CUDA functionality for
Now we are refactoring the extension
(https://github.com/root-project/cling/pull/284) to fix some conceptual
errors and improve performance. One of our goals is to avoid file I/O.
We have achieved this goal with one exception. We need to write the CUDA
fatbinary code to a file because the CodeGen of the CUDA x86 backend
uses a file path and uses llvm::MemoryBuffer::getFileOrSTDIN() to load
the code from a file. See:
Our question is, can we pass the fatbinary code to CodeGen without file
I/O and without changing the source code of clang? We want to avoid
changes in the clang code, as it would make it more complicated to
update clang/LLVM base. Maybe something is possible with the llvm
virtual file system. Unfortunately, I am not familiar enough with it to
find a solution.
Thank you so much for your help.
-------------- next part --------------
An HTML attachment was scrubbed...
More information about the llvm-dev