utests: Add a new local memory barrier case

We fail this case right now, disalbe it. And need more work
to check the root cause. Change the local memory barrier can
pass it, but it doesn't comply with BSPEC which says SLM doesn't
need a memory fence.

Signed-off-by: Yang Rong <rong.r.yang@intel.com>
Signed-off-by: Zhigang Gong <zhigang.gong@linux.intel.com>

1 files changed, 29 insertions, 0 deletions

diff --git a/utests/compiler_local_memory_barrier_2.cpp b/utests/compiler_local_memory_barrier_2.cpp
new file mode 100644
index 00000000..d670654e
--- /dev/null
+++ b/utests/compiler_local_memory_barrier_2.cpp
@@ -0,0 +1,29 @@
+#include "utest_helper.hpp"
+
+static void compiler_global_memory_barrier(void)
+{
+  const size_t n = 16*1024;
+
+  globals[0] = n/2;
+  locals[0] = 32;
+
+  // Setup kernel and buffers
+  OCL_CREATE_KERNEL("compiler_local_memory_barrier_2");
+  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, locals[0] * 2 * sizeof(uint32_t), NULL);
+
+  // Run the kernel
+  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);