add utest for __gen_ocl_get_simd_id

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

3 files changed, 43 insertions, 1 deletions

diff --git a/kernels/compiler_get_simd_id.cl b/kernels/compiler_get_simd_id.cl
new file mode 100644
index 00000000..dfe625a8
--- /dev/null
+++ b/kernels/compiler_get_simd_id.cl
@@ -0,0 +1,8 @@
+__kernel void compiler_get_simd_id(global int *dst)
+{
+  int i = get_global_id(0);
+  if (i == 0)
+    dst[0] = __gen_ocl_get_simd_size();
+
+  dst[i+1] = __gen_ocl_get_simd_id();
+}
diff --git a/utests/CMakeLists.txt b/utests/CMakeLists.txt
index 1bdb6180..dcb33850 100644
--- a/utests/CMakeLists.txt
+++ b/utests/CMakeLists.txt
@@ -209,7 +209,8 @@ set (utests_sources
   vload_bench.cpp
   runtime_use_host_ptr_buffer.cpp
   runtime_alloc_host_ptr_buffer.cpp
-  compiler_get_simd_size.cpp)
+  compiler_get_simd_size.cpp
+  compiler_get_simd_id.cpp)
 
 if (LLVM_VERSION_NODOT VERSION_GREATER 34)
   SET(utests_sources
diff --git a/utests/compiler_get_simd_id.cpp b/utests/compiler_get_simd_id.cpp
new file mode 100644
index 00000000..ad10bf75
--- /dev/null
+++ b/utests/compiler_get_simd_id.cpp
@@ -0,0 +1,33 @@
+#include "utest_helper.hpp"
+
+void compiler_get_simd_id(void)
+{
+  const size_t n = 256;
+
+  // Setup kernel and buffers
+  OCL_CREATE_KERNEL("compiler_get_simd_id");
+  OCL_CREATE_BUFFER(buf[0], 0, (n+1) * 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+1); ++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];
+  OCL_ASSERT(8 == dst[0] || 16 == dst[0]);
+  for (int32_t i = 1; i < (int32_t) n; ++i){
+    OCL_ASSERT((i-1) % dst[0] == dst[i]);
+  }
+  OCL_UNMAP_BUFFER(0);
+}
+
+MAKE_UTEST_FROM_FUNCTION(compiler_get_simd_id);