[SYCL] Test native_specialization_constant()

SYCL/SpecConstants/2020/native_specialization_constants.cpp

@@ -0,0 +1,33 @@
+// native_specialization_constant() returns true only in JIT mode
+// on opencl & level-zero backends (because only SPIR-V supports them)
+
+// REQUIRES: opencl, level-zero, cpu, gpu, opencl-aot, ocloc
+
+// RUN: %clangxx -DJIT -fsycl %s -o %t.out
+// RUN: env ONEAPI_DEVICE_SELECTOR=opencl:cpu %t.out
+// RUN: env ONEAPI_DEVICE_SELECTOR=level_zero:gpu %t.out
+
+// RUN: %clangxx -fsycl -fsycl-targets=spir64_x86_64,spir64_gen -Xsycl-target-backend=spir64_gen %gpu_aot_target_opts %s -o %t.out
+// RUN: %CPU_RUN_PLACEHOLDER %t.out
+// RUN: %GPU_RUN_PLACEHOLDER %t.out
+
+#include <sycl/sycl.hpp>
+
+int main() {
+  sycl::queue Q;
+  Q.submit([&](sycl::handler &h) {
+    h.single_task<>([]() {});
+  });
+
+  #ifdef JIT
+  auto bundle = sycl::get_kernel_bundle<sycl::bundle_state::input>(Q.get_context());
+  assert(bundle.native_specialization_constant());
+  #else
+  auto bundle = sycl::get_kernel_bundle<sycl::bundle_state::executable>(Q.get_context());
+  // This assert will fail in JIT mode, because there are no images in
+  // executable state, so native_specialization_constant() will return true
+  assert(!bundle.native_specialization_constant());
+  #endif // JIT
+
+  return 0;
+}