[ESIMD] Add a test verifying that enable-preemption is on by default (#613)

Signed-off-by: Vyacheslav N Klochkov <[email protected]>

Author: v-klochkov

SYCL/ESIMD/preemption.cpp

@@ -0,0 +1,34 @@
+//==---------------- preemption.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 && linux
+// UNSUPPORTED: cuda || hip
+// TODO: remove XFAIL once GPU RT starts using "enablePreemption" by default.
+// XFAIL: *
+// RUN: %clangxx -fsycl %s -o %t.out
+// RUN: %GPU_RUN_PLACEHOLDER IGC_DumpToCustomDir=%t.dump IGC_ShaderDumpEnable=1 %t.out
+// RUN: grep enablePreemption %t.dump/*.asm
+
+// The test expects to see "enablePreemption" switch in the compilation
+// switches. It fails if does not find it.
+
+#include "esimd_test_utils.hpp"
+
+#include <CL/sycl.hpp>
+#include <iostream>
+#include <sycl/ext/intel/experimental/esimd.hpp>
+
+using namespace cl::sycl;
+
+int main() {
+  queue q;
+  q.submit([&](handler &cgh) {
+    cgh.parallel_for<class Test>(sycl::range<1>{1},
+                                 [=](id<1> id) SYCL_ESIMD_KERNEL {});
+  });
+  return 0;
+}