[Openmp-commits] [PATCH] D142369: [Libomptarget] Emit a special warning when no images are found

[Joseph Huber via Phabricator via Openmp-commits]

jhuber6 updated this revision to Diff 491514.
jhuber6 added a comment.

Adding message if we didn't find any plugins. Usually happens if the paths are wrong.


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D142369/new/

https://reviews.llvm.org/D142369

Files:
  openmp/libomptarget/src/omptarget.cpp


Index: openmp/libomptarget/src/omptarget.cpp
===================================================================
--- openmp/libomptarget/src/omptarget.cpp
+++ openmp/libomptarget/src/omptarget.cpp
@@ -265,6 +265,16 @@
         FAILURE_MESSAGE("Consult https://openmp.llvm.org/design/Runtimes.html "
                         "for debugging options.\n");
 
+      if (PM->RTLs.AllRTLs.empty()) {
+        FAILURE_MESSAGE("Could not load any device plugins.\n");
+      } else if (PM->RTLs.UsedRTLs.empty()) {
+        FAILURE_MESSAGE("None of the images ( ");
+        for (auto &[Image, Info] : PM->Images)
+          fprintf(stderr, "%s ",
+                  (!Info.Arch || *Info.Arch == '\0') ? "(empty) " : Info.Arch);
+        fprintf(stderr, "\n");
+      }
+
       SourceInfo Info(Loc);
       if (Info.isAvailible())
         fprintf(stderr, "%s:%d:%d: ", Info.getFilename(), Info.getLine(),


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