[llvm] [offload][lit] Run unit tests in check-offload if libomptarget isn't built (PR #214334)

[Joseph Huber via llvm-commits]

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@@ -74,6 +74,13 @@ if(TARGET omptarget)
     DEPENDS ${OFFLOAD_TOOLS} omptarget ${OMP_DEPEND} ${LIBOMPTARGET_TESTED_PLUGINS}
       LLVMOffload OffloadUnitTests
     ARGS ${LIBOMPTARGET_LIT_ARG_LIST})
+else()
+  add_offload_testsuite(check-offload
+    "Running offload tests"
+    ${CMAKE_CURRENT_BINARY_DIR}/unit
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jhuber6 wrote:

Could we instead do a list and append openmp tests to it if present?

https://github.com/llvm/llvm-project/pull/214334