[clang] [clang][tools] Add LevelZero support to offload-arch (PR #160570)

[Nick Sarnie via cfe-commits]

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@@ -1,8 +1,16 @@
 set(LLVM_LINK_COMPONENTS Support)
 
-add_clang_tool(offload-arch OffloadArch.cpp NVPTXArch.cpp AMDGPUArchByKFD.cpp AMDGPUArchByHIP.cpp)
+add_clang_tool(offload-arch OffloadArch.cpp NVPTXArch.cpp AMDGPUArchByKFD.cpp
+               AMDGPUArchByHIP.cpp LevelZeroArch.cpp)
+
+find_path(OFFLOAD_ARCH_LEVEL_ZERO_INCLUDE_DIR NAMES level_zero/ze_api.h)
+if (OFFLOAD_ARCH_LEVEL_ZERO_INCLUDE_DIR)
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sarnex wrote:

should we print a message if not building because not found?

https://github.com/llvm/llvm-project/pull/160570