Test for inlining

Author: joeatodd

sycl/test/syclcompat/launch/launch_inlining.cpp

@@ -0,0 +1,108 @@
+/***************************************************************************
+ *
+ *  Copyright (C) Codeplay Software Ltd.
+ *
+ *  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
+ *
+ *  Unless required by applicable law or agreed to in writing, software
+ *  distributed under the License is distributed on an "AS IS" BASIS,
+ *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ *  See the License for the specific language governing permissions and
+ *  limitations under the License.
+ *
+ *  SYCLcompat API
+ *
+ *  launch_inlining.cpp
+ *
+ *  Description:
+ *    Ensure kernels are fully inlined
+ **************************************************************************/
+
+// RUN: %clangxx -fsycl -fsycl-targets=%sycl_triple -fgpu-inline-threshold=0 %if cl_options %{/clang:-S /clang:-emit-llvm%} %else %{-S -emit-llvm%} %s -o - | FileCheck %s
+//TODO(joe): update_cc_test_checks.py
+#include <sycl/detail/core.hpp>
+#include <sycl/group_barrier.hpp>
+#include <syclcompat/launch.hpp>
+#include <syclcompat/memory.hpp>
+
+namespace compat_exp = syclcompat::experimental;
+namespace sycl_exp = sycl::ext::oneapi::experimental;
+namespace sycl_intel_exp = sycl::ext::intel::experimental;
+
+static constexpr int LOCAL_MEM_SIZE = 1024;
+
+template <typename T>
+T dummy_fn(T input){
+  return -input;
+}
+
+// CHECK: define {{.*}}spir_kernel{{.*}}write_mem_kernel{{.*}} {
+// CHECK-NOT: call {{.*}}write_mem_kernel
+// CHECK-NOT: call {{.*}}dummy_fn
+// CHECK: }
+
+template <typename T> void write_mem_kernel(T *data, int num_elements) {
+  const int id =
+      sycl::ext::oneapi::this_work_item::get_nd_item<1>().get_global_id(0);
+  if (id < num_elements) {
+    data[id] = dummy_fn(static_cast<T>(id));
+  }
+};
+
+// CHECK: define {{.*}}spir_kernel{{.*}}dynamic_local_mem_typed_kernel{{.*}} {
+// CHECK-NOT: call {{.*}}dynamic_local_mem_typed_kernel
+// CHECK-NOT: call {{.*}}dummy_fn
+// CHECK: }
+template <typename T>
+void dynamic_local_mem_typed_kernel(T *data, char *local_mem) {
+  constexpr size_t num_elements = LOCAL_MEM_SIZE / sizeof(T);
+  T *typed_local_mem = reinterpret_cast<T *>(local_mem);
+
+  const int id =
+      sycl::ext::oneapi::this_work_item::get_nd_item<1>().get_global_id(0);
+  if (id < num_elements) {
+    typed_local_mem[id] = static_cast<T>(id);
+  }
+  sycl::group_barrier(sycl::ext::oneapi::this_work_item::get_work_group<1>());
+  if (id < num_elements) {
+    data[id] = dummy_fn(typed_local_mem[num_elements - id - 1]);
+  }
+};
+
+int test_write_mem() {
+  compat_exp::launch_policy my_dim3_config(syclcompat::dim3{32});
+
+  const int memsize = 1024;
+  int *d_a = (int *)syclcompat::malloc(memsize);
+  compat_exp::launch<write_mem_kernel<int>>(my_dim3_config, d_a,
+                                              memsize / sizeof(int))
+      .wait();
+
+  syclcompat::free(d_a);
+  return 0;
+}
+
+int test_lmem_launch() {
+  using T = int;
+  // A property constructed at runtime:
+  sycl_intel_exp::cache_config my_cache_config{sycl_intel_exp::large_slm};
+
+  int local_mem_size = LOCAL_MEM_SIZE; // rt value
+
+  size_t num_elements = local_mem_size / sizeof(T);
+  T *d_a = (T *)syclcompat::malloc(local_mem_size);
+
+  compat_exp::launch_policy my_config(
+      sycl::nd_range<1>{{256}, {256}},
+      compat_exp::local_mem_size(local_mem_size));
+
+  compat_exp::launch<dynamic_local_mem_typed_kernel<int>>(my_config, d_a)
+      .wait();
+
+  syclcompat::free(d_a);
+
+  return 0;
+}
+