[llvm-branch-commits] [llvm] [libsycl] Add parallel_for feature (PR #189068)

[Sergey Semenov via llvm-branch-commits]

================
@@ -179,35 +159,191 @@ class _LIBSYCL_EXPORT queue {
   /// \param depEvent is an event that specifies the kernel dependency.
   /// \param kernelFunc is the kernel functor or lambda.
   /// \return an event that represents the status of the submitted kernel.
-  template <typename KernelName, typename KernelType>
+  template <typename KernelName = detail::AutoName, typename KernelType>
   event single_task(event depEvent, const KernelType &kernelFunc) {
     return single_task<KernelName, KernelType>({depEvent}, kernelFunc);
   }
 
   /// Defines and invokes a SYCL kernel function as a lambda expression or a
   /// named function object type.
   ///
-  /// \param depEvents is a collection of events that specify the kernel
+  /// \param depEvents is a collection of events which specify the kernel
   /// dependencies.
   /// \param kernelFunc is the kernel functor or lambda.
   /// \return an event that represents the status of the submitted kernel.
-  template <typename KernelName, typename KernelType>
+  template <typename KernelName = detail::AutoName, typename KernelType>
   event single_task(const std::vector<event> &depEvents,
                     const KernelType &kernelFunc) {
     static_assert(
-        detail::CheckFunctionSignature<std::remove_reference_t<KernelType>,
-                                       void()>::value,
+        (detail::CheckFunctionSignature<std::remove_reference_t<KernelType>,
+                                        void()>::value),
         "sycl::queue::single_task() requires a kernel instead of a command "
         "group");
 
     setKernelParameters(depEvents);
-    submitSingleTask<KernelName, KernelType>(kernelFunc);
+    using NameT =
+        typename detail::get_kernel_name_t<KernelName, KernelType>::name;
+    submitSingleTask<NameT, KernelType>(kernelFunc);
     return getLastEvent();
   }
 
+  /// Defines and invokes a SYCL kernel function as a lambda expression or a
+  /// named function object type, for the specified range.
+  ///
+  /// \param numWorkItems specifies the global work space of the kernel.
+  /// \param rest acts as-if: const KernelType &KernelFunc".
----------------
sergey-semenov wrote:

```suggestion
  /// \param rest acts as if it was "const KernelType &KernelFunc".
```
The same goes for the other functions

https://github.com/llvm/llvm-project/pull/189068