[llvm] [OpenMP] Port the OpenMP device runtime to direct C++ compilation (PR #123673)

[Joseph Huber via llvm-commits]

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@@ -88,8 +86,7 @@ struct TeamStateTy {
   ParallelRegionFnTy ParallelRegionFnVar;
 };
 
-extern TeamStateTy TeamState;
-#pragma omp allocate(TeamState) allocator(omp_pteam_mem_alloc)
+extern TeamStateTy [[clang::address_space(3)]] TeamState;
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jhuber6 wrote:

Eventually I'm going to port this to use `<gpuintrin.h>` while defined `__gpu_local` which is more descriptive. For now I can add a comment.

https://github.com/llvm/llvm-project/pull/123673