utests: Add test case for global memory barrier

Disable this test case currently, as we don't support
global memory barrier now.

Signed-off-by: Dag Lem <dag@nimrod.no>
Signed-off-by: Zhigang Gong <zhigang.gong@linux.intel.com>

1 files changed, 28 insertions, 0 deletions

diff --git a/utests/compiler_global_memory_barrier.cpp b/utests/compiler_global_memory_barrier.cpp
new file mode 100644
index 00000000..a6496a78
--- /dev/null
+++ b/utests/compiler_global_memory_barrier.cpp
@@ -0,0 +1,28 @@
+#include "utest_helper.hpp"
+
+static void compiler_global_memory_barrier(void)
+{
+  const size_t n = 16*1024;
+
+  // Setup kernel and buffers
+  OCL_CREATE_KERNEL("compiler_global_memory_barrier");
+  OCL_CREATE_BUFFER(buf[0], 0, n * sizeof(uint32_t), NULL);
+  OCL_CREATE_BUFFER(buf[1], 0, n * sizeof(uint32_t), NULL);
+  OCL_SET_ARG(0, sizeof(cl_mem), &buf[0]);
+  OCL_SET_ARG(1, sizeof(cl_mem), &buf[1]);
+
+  // Run the kernel
+  globals[0] = n/2;
+  locals[0] = 32;
+  OCL_NDRANGE(1);
+  OCL_MAP_BUFFER(0);
+
+  // Check results
+  uint32_t *dst = (uint32_t*)buf_data[0];
+  for (uint32_t i = 0; i < n; i+=locals[0])
+    for (uint32_t j = 0; j < locals[0]; ++j)
+        OCL_ASSERT(dst[i+j] == locals[0] - 1 -j);
+  OCL_UNMAP_BUFFER(0);
+}
+
+MAKE_UTEST_FROM_FUNCTION(compiler_global_memory_barrier);