[clang] [llvm] [Driver][SYCL] Add initial SYCL offload compilation support (PR #107493)

[Tom Honermann via llvm-commits]

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@@ -6774,16 +6775,20 @@ defm : FlangIgnoredDiagOpt<"frontend-loop-interchange">;
 defm : FlangIgnoredDiagOpt<"target-lifetime">;
 
 // C++ SYCL options
+let Group = sycl_Group in {
 def fsycl : Flag<["-"], "fsycl">,
-  Visibility<[ClangOption, CLOption]>,
-  Group<sycl_Group>, HelpText<"Enables SYCL kernels compilation for device">;
+  HelpText<"Enables SYCL kernels compilation for device">;
 def fno_sycl : Flag<["-"], "fno-sycl">,
-  Visibility<[ClangOption, CLOption]>,
-  Group<sycl_Group>, HelpText<"Disables SYCL kernels compilation for device">;
+  HelpText<"Disables SYCL kernels compilation for device">;
+def fsycl_device_only : Flag<["-"], "fsycl-device-only">,
+  Alias<offload_device_only>, HelpText<"Compile SYCL kernels for device only">;
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tahonermann wrote:

"kernels" seems out of place in the help text. How about more closely following the existing help text for CUDA? "Compile SYCL code for device only".

https://github.com/llvm/llvm-project/pull/107493