[llvm] [OFFLOAD] Add plugin with support for Intel oneAPI Level Zero (PR #158900)

[Alex Duran via llvm-commits]

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@@ -0,0 +1,73 @@
+if(NOT LIBOMPTARGET_DEP_LEVEL_ZERO_FOUND)
+  return()
+endif()
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adurang wrote:

This statement is actually unnecessary (a leftover of how it used to work before). If we ever get here it will be built. I'll remove it.

https://github.com/llvm/llvm-project/pull/158900