[llvm] [libsycl] Implement nd_range kernel submissions (PR #206505)

[Kseniya Tikhomirova via llvm-commits]

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@@ -126,6 +127,18 @@ class Builder {
     return __spirv::initBuiltInGlobalInvocationId<Dims, id<Dims>>();
   }
 
+  /// \return the work group currently being operated on by the device.
+  template <int Dims> static const group<Dims> getElement(group<Dims> *) {
+    static_assert(isValidDimensions<Dims>, "invalid dimensions");
+    return group<Dims>();
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KseniyaTikhomirova wrote:

you are right, this will be needed and tested later once I implement parallel_for_work_group. Removed for now.

https://github.com/llvm/llvm-project/pull/206505