[PATCH] D96877: [libomptarget] Try a fallback devicertl if the preferred one is missing

[Shilei Tian via Phabricator via cfe-commits]

tianshilei1992 added inline comments.


================
Comment at: clang/include/clang/Basic/DiagnosticDriverKinds.td:265
   "No library '%0' found in the default clang lib directory or in LIBRARY_PATH. Please use --libomptarget-%1-bc-path to specify %1 bitcode library.">;
+def warn_drv_omp_offload_target_missingbcruntime : Warning<"No library '%0' found in the default clang lib directory or in LIBRARY_PATH, using '%1' instead. Please use --libomptarget-%2-bc-path to specify %2 bitcode library.">;
 def err_drv_omp_offload_target_bcruntime_not_found : Error<"Bitcode library '%0' does not exist.">;
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JonChesterfield wrote:
> tianshilei1992 wrote:
> > Besides, we might also need to tell users this bitcode library might not work as expected.
> Could you propose preferred wording?
maybe the following one?
```
def warn_drv_omp_offload_target_missingbcruntime : Warning<"No library '%0' found in the default clang lib directory or in LIBRARY_PATH. Fall back to '%1' instead.">;
```


Repository:
  rG LLVM Github Monorepo

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  https://reviews.llvm.org/D96877/new/

https://reviews.llvm.org/D96877