[llvm] [Offload] Explicitly create directories that contain tablegen output (PR #142817)

[Joseph Huber via llvm-commits]

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@@ -7,6 +7,7 @@
 
 set(LLVM_TARGET_DEFINITIONS ${CMAKE_CURRENT_SOURCE_DIR}/OffloadAPI.td)
 set(files_to_copy "")
+file(MAKE_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}/generated)
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jhuber6 wrote:

Do we even need `generated`? What's it for? Could just put it the normal include right? I'll merge this for now to fix the problem but I think that should be a follow up.

https://github.com/llvm/llvm-project/pull/142817