[SYCL] [L0] Test for checking use of immediate commandlists. (#1095)

Signed-off-by: Rajiv Deodhar <[email protected]>

Author: rdeodhar

SYCL/Plugin/level_zero_imm_cmdlist.cpp

@@ -0,0 +1,20 @@
+// REQUIRES: level_zero, level_zero_dev_kit
+//
+// RUN: %clangxx -fsycl -fsycl-unnamed-lambda -fsycl-targets=%sycl_triple %level_zero_options %s -o %t.out
+// RUN: env SYCL_DEVICE_FILTER=level_zero ZE_DEBUG=1 SYCL_PI_LEVEL_ZERO_DEVICE_SCOPE_EVENTS=1 SYCL_PI_LEVEL_ZERO_USE_IMMEDIATE_COMMANDLISTS=1 %GPU_RUN_PLACEHOLDER %t.out 2>&1 %GPU_CHECK_PLACEHOLDER
+//
+// CHECK-NOT: zeCommandListCreate(
+// CHECK: zeCommandListCreateImmediate(
+
+// The test checks that immediate commandlists are used and not regular ones.
+
+#include <CL/sycl.hpp>
+using namespace cl;
+int main(int argc, char **argv) {
+  sycl::queue Q;
+  const unsigned n_chunk = 1000;
+  for (int i = 0; i < n_chunk; i++)
+    Q.single_task([=]() {});
+  Q.wait();
+  return 0;
+}