[clang] [SYCL] SYCL host kernel launch support for the sycl_kernel_entry_point attribute. (PR #152403)

[Erich Keane via cfe-commits]

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@@ -17,6 +17,10 @@ module M2 { header "m2.h" }
 #--- common.h
 template<int> struct KN;
 
+// A generic kernel launch function.
+template<typename KN, typename... Ts>
+void sycl_kernel_launch(const char *, Ts...) {}
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erichkeane wrote:

It would have been lovely for the purposes of actually reviewing such a large patch if these were just done in a separate review, even if they were ineffectual at the time.

https://github.com/llvm/llvm-project/pull/152403