[SYCLomatic] Support migration of CU_DEVICE_ATTRIBUTE_ASYNC_ENGINE_COUNT enum

clang/lib/DPCT/RuleInfra/MapNames.cpp

@@ -1157,6 +1157,9 @@ void MapNames::setExplicitNamespaceMap(
       {"CU_DEVICE_ATTRIBUTE_MAX_PITCH",
        std::make_shared<EnumNameRule>("get_max_pitch",
                                       HelperFeatureEnum::device_ext)},
+      {"CU_DEVICE_ATTRIBUTE_ASYNC_ENGINE_COUNT",
+       std::make_shared<EnumNameRule>("get_async_engine_count",
+                                      HelperFeatureEnum::device_ext)},
       {"CU_CTX_MAP_HOST", std::make_shared<EnumNameRule>("0")},
       {"CU_CTX_SCHED_BLOCKING_SYNC", std::make_shared<EnumNameRule>("0")},
       {"CU_CTX_SCHED_SPIN", std::make_shared<EnumNameRule>("0")},

clang/runtime/dpct-rt/include/dpct/device.hpp

@@ -519,6 +519,9 @@ class device_ext : public sycl::device {
 
   int get_max_pitch() const { return INT_MAX; }
 
+  // CU_DEVICE_ATTRIBUTE_ASYNC_ENGINE_COUNT is irrelevant in SYCL
+  int get_async_engine_count() const { return 0; }
+
   /// Get the number of bytes of free and total memory on the SYCL device.
   /// \param [out] free_memory The number of bytes of free memory on the SYCL device.
   /// \param [out] total_memory The number of bytes of total memory on the SYCL device.

clang/test/dpct/driver_device.cu

@@ -57,7 +57,11 @@ void test() {
 
   // CHECK: result7 = dpct::get_device(device).get_max_pitch();
   cuDeviceGetAttribute(&result7,CU_DEVICE_ATTRIBUTE_MAX_PITCH, device);
-  std::cout << " result7 " << result5 << std::endl;
+  std::cout << " result7 " << result7 << std::endl;
+
+  // CHECK: result1 = dpct::get_device(device).get_async_engine_count();
+  cuDeviceGetAttribute(&result1,CU_DEVICE_ATTRIBUTE_ASYNC_ENGINE_COUNT, device);
+  std::cout << " result1 " << result1 << std::endl;
 }
 
 int main(){