add utest for __gen_ocl_get_simd_size

Signed-off-by: Guo Yejun <yejun.guo@intel.com>
Reviewed-by: "Yang, Rong R" <rong.r.yang@intel.com>

3 files changed, 39 insertions, 1 deletions

diff --git a/kernels/compiler_get_simd_size.cl b/kernels/compiler_get_simd_size.cl
new file mode 100644
index 00000000..6e303a35
--- /dev/null
+++ b/kernels/compiler_get_simd_size.cl
@@ -0,0 +1,5 @@
+__kernel void compiler_get_simd_size(global int *dst)
+{
+  int i = get_global_id(0);
+  dst[i] = __gen_ocl_get_simd_size();
+}
diff --git a/utests/CMakeLists.txt b/utests/CMakeLists.txt
index 06baa689..1bdb6180 100644
--- a/utests/CMakeLists.txt
+++ b/utests/CMakeLists.txt
@@ -208,7 +208,8 @@ set (utests_sources
   compiler_assignment_operation_in_if.cpp
   vload_bench.cpp
   runtime_use_host_ptr_buffer.cpp
-  runtime_alloc_host_ptr_buffer.cpp)
+  runtime_alloc_host_ptr_buffer.cpp
+  compiler_get_simd_size.cpp)
 
 if (LLVM_VERSION_NODOT VERSION_GREATER 34)
   SET(utests_sources
diff --git a/utests/compiler_get_simd_size.cpp b/utests/compiler_get_simd_size.cpp
new file mode 100644
index 00000000..ea70cd96
--- /dev/null
+++ b/utests/compiler_get_simd_size.cpp
@@ -0,0 +1,32 @@
+#include "utest_helper.hpp"
+
+void compiler_get_simd_size(void)
+{
+  const size_t n = 256;
+
+  // Setup kernel and buffers
+  OCL_CREATE_KERNEL("compiler_get_simd_size");
+  OCL_CREATE_BUFFER(buf[0], 0, n * sizeof(int), NULL);
+  OCL_SET_ARG(0, sizeof(cl_mem), &buf[0]);
+
+  globals[0] = n;
+  locals[0] = 16;
+
+  OCL_MAP_BUFFER(0);
+  for (int32_t i = 0; i < (int32_t) n; ++i)
+    ((int*)buf_data[0])[i] = -1;
+  OCL_UNMAP_BUFFER(0);
+
+  // Run the kernel on GPU
+  OCL_NDRANGE(1);
+
+  // Compare
+  OCL_MAP_BUFFER(0);
+  int* dst = (int *)buf_data[0];
+  for (int32_t i = 0; i < (int32_t) n; ++i){
+    OCL_ASSERT(8 == dst[i] || 16 == dst[i]);
+  }
+  OCL_UNMAP_BUFFER(0);
+}
+
+MAKE_UTEST_FROM_FUNCTION(compiler_get_simd_size);