[SYCL][ESIMD] Test lsc template argument type deduction (#1257)

* Test for template argument type deduction

Author: fineg74

SYCL/ESIMD/lsc/lsc_argument_type_deduction.cpp

@@ -0,0 +1,119 @@
+//==-------- lsc_argument_type_deduction.cpp - DPC++ ESIMD on-device test --==//
+//
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+// REQUIRES: gpu-intel-pvc || esimd_emulator
+// RUN: %clangxx -fsycl %s -o %t.out
+// RUN: %GPU_RUN_PLACEHOLDER %t.out
+
+// The test checks that compiler is able to corrctly deduce the template
+// parameter types for lsc functions.
+
+#include "../esimd_test_utils.hpp"
+
+#include <numeric>
+#include <sycl/ext/intel/esimd.hpp>
+#include <sycl/sycl.hpp>
+
+using namespace sycl;
+using namespace sycl::ext::intel::esimd;
+using namespace sycl::ext::intel::experimental::esimd;
+
+template <unsigned SIMDSize> int testAccessor(queue q) {
+  auto size = size_t{128};
+
+  auto vec_0 = std::vector<int>(size);
+
+  std::iota(vec_0.begin(), vec_0.end(), 0);
+  auto buf_0 = buffer{vec_0};
+
+  try {
+    q.submit([&](handler &h) {
+      auto access_0 = buf_0.template get_access<access::mode::read_write>(h);
+
+      h.parallel_for(
+          range<1>{size / SIMDSize}, [=](id<1> id) SYCL_ESIMD_KERNEL {
+            auto offset = id[0] * SIMDSize * sizeof(int);
+            auto offsets = simd<uint32_t, SIMDSize>(id * SIMDSize * sizeof(int),
+                                                    sizeof(int));
+            auto data_0 = lsc_block_load<int, SIMDSize>(access_0, offset);
+            lsc_block_store(access_0, offset, data_0 * 2);
+          });
+    });
+    q.wait();
+    buf_0.template get_access<access::mode::read_write>();
+  } catch (sycl::exception e) {
+    std::cout << "SYCL exception caught: " << e.what();
+    return 1;
+  }
+
+  auto error = 0;
+  for (auto i = 0; i != size; ++i) {
+    if (vec_0[i] != 2 * i) {
+      ++error;
+      std::cout << "out[" << i << "] = 0x" << std::hex << vec_0[i]
+                << " vs etalon = 0x" << 2 * i << std::dec << std::endl;
+    }
+  }
+  std::cout << "Accessor lsc argument type deduction test ";
+  std::cout << (error != 0 ? "FAILED" : "passed") << std::endl;
+  return error;
+}
+
+template <unsigned SIMDSize> int testUSM(queue q) {
+  auto size = size_t{128};
+
+  auto *vec_0 = malloc_shared<int>(size, q);
+  std::iota(vec_0, vec_0 + size, 0);
+
+  try {
+    q.submit([&](handler &h) {
+      h.parallel_for(
+          range<1>{size / SIMDSize}, [=](id<1> id) SYCL_ESIMD_KERNEL {
+            auto offset = id[0] * SIMDSize;
+            auto offsets = simd<uint32_t, SIMDSize>(id * SIMDSize * sizeof(int),
+                                                    sizeof(int));
+            auto data_0 = lsc_block_load<int, SIMDSize>(vec_0 + offset);
+            lsc_block_store(vec_0 + offset, data_0 * 2);
+          });
+    });
+    q.wait();
+  } catch (sycl::exception e) {
+    std::cout << "SYCL exception caught: " << e.what();
+    sycl::free(vec_0, q);
+    return 1;
+  }
+
+  int error = 0;
+  for (auto i = 0; i != size; ++i) {
+    if (vec_0[i] != 2 * i) {
+      ++error;
+      std::cout << "out[" << i << "] = 0x" << std::hex << vec_0[i]
+                << " vs etalon = 0x" << 2 * i << std::dec << std::endl;
+    }
+  }
+  sycl::free(vec_0, q);
+  std::cout << "USM lsc argument type deduction test ";
+  std::cout << (error != 0 ? "FAILED" : "passed") << std::endl;
+  return error;
+}
+
+int main() {
+
+  queue q(esimd_test::ESIMDSelector, esimd_test::createExceptionHandler());
+  auto device = q.get_device();
+  std::cout << "Device name: " << device.get_info<info::device::name>()
+            << std::endl;
+
+  int error = testUSM<8>(q);
+  error += testUSM<16>(q);
+  error += testUSM<32>(q);
+
+  error += testAccessor<8>(q);
+  error += testAccessor<16>(q);
+  error += testAccessor<32>(q);
+  return error;
+}