[Beignet] [PATCH 2/2] test case for function "clz"

[Homer Hsing]

Signed-off-by: Homer Hsing <homer.xing at intel.com>
---
 kernels/compiler_clz_int.cl   |  5 +++++
 kernels/compiler_clz_short.cl |  5 +++++
 utests/CMakeLists.txt         |  2 ++
 utests/compiler_clz_int.cpp   | 31 +++++++++++++++++++++++++++++++
 utests/compiler_clz_short.cpp | 31 +++++++++++++++++++++++++++++++
 5 files changed, 74 insertions(+)
 create mode 100644 kernels/compiler_clz_int.cl
 create mode 100644 kernels/compiler_clz_short.cl
 create mode 100644 utests/compiler_clz_int.cpp
 create mode 100644 utests/compiler_clz_short.cpp

diff --git a/kernels/compiler_clz_int.cl b/kernels/compiler_clz_int.cl
new file mode 100644
index 0000000..0f17f86
--- /dev/null
+++ b/kernels/compiler_clz_int.cl
@@ -0,0 +1,5 @@
+kernel void compiler_clz_int(global int *src, global int *dst) {
+  int i = get_global_id(0);
+  dst[i] = clz(src[i]);
+}
+
diff --git a/kernels/compiler_clz_short.cl b/kernels/compiler_clz_short.cl
new file mode 100644
index 0000000..1ecf7a9
--- /dev/null
+++ b/kernels/compiler_clz_short.cl
@@ -0,0 +1,5 @@
+kernel void compiler_clz_short(global short *src, global short *dst) {
+  int i = get_global_id(0);
+  dst[i] = clz(src[i]);
+}
+
diff --git a/utests/CMakeLists.txt b/utests/CMakeLists.txt
index c009d99..8d6d9e3 100644
--- a/utests/CMakeLists.txt
+++ b/utests/CMakeLists.txt
@@ -22,6 +22,8 @@ set (utests_sources
   compiler_array3.cpp
   compiler_byte_scatter.cpp
   compiler_ceil.cpp
+  compiler_clz_short.cpp
+  compiler_clz_int.cpp
   compiler_convert_uchar_sat.cpp
   compiler_copy_buffer.cpp
   compiler_copy_image.cpp
diff --git a/utests/compiler_clz_int.cpp b/utests/compiler_clz_int.cpp
new file mode 100644
index 0000000..c12cfc6
--- /dev/null
+++ b/utests/compiler_clz_int.cpp
@@ -0,0 +1,31 @@
+#include "utest_helper.hpp"
+
+void compiler_clz_int(void)
+{
+  const int n = 32;
+
+  // Setup kernel and buffers
+  OCL_CREATE_KERNEL("compiler_clz_int");
+  OCL_CREATE_BUFFER(buf[0], 0, n * sizeof(int), NULL);
+  OCL_CREATE_BUFFER(buf[1], 0, n * sizeof(int), NULL);
+  OCL_SET_ARG(0, sizeof(cl_mem), &buf[0]);
+  OCL_SET_ARG(1, sizeof(cl_mem), &buf[1]);
+  globals[0] = n;
+  locals[0] = 16;
+
+  OCL_MAP_BUFFER(0);
+  ((int*)buf_data[0])[0] = 0;
+  for (int32_t i = 1; i < (int32_t) n; ++i)
+    ((int*)buf_data[0])[i] = 0xffffffffu >> i;
+  OCL_UNMAP_BUFFER(0);
+
+  OCL_NDRANGE(1);
+
+  OCL_MAP_BUFFER(1);
+  OCL_ASSERT(((int*)buf_data[1])[0] == 32);
+  for (int i = 1; i < n; ++i)
+    OCL_ASSERT(((int*)buf_data[1])[i] == i);
+  OCL_UNMAP_BUFFER(1);
+}
+
+MAKE_UTEST_FROM_FUNCTION(compiler_clz_int);
diff --git a/utests/compiler_clz_short.cpp b/utests/compiler_clz_short.cpp
new file mode 100644
index 0000000..eb3a370
--- /dev/null
+++ b/utests/compiler_clz_short.cpp
@@ -0,0 +1,31 @@
+#include "utest_helper.hpp"
+
+void compiler_clz_short(void)
+{
+  const size_t n = 16;
+
+  // Setup kernel and buffers
+  OCL_CREATE_KERNEL("compiler_clz_short");
+  OCL_CREATE_BUFFER(buf[0], 0, n * sizeof(short), NULL);
+  OCL_CREATE_BUFFER(buf[1], 0, n * sizeof(short), NULL);
+  OCL_SET_ARG(0, sizeof(cl_mem), &buf[0]);
+  OCL_SET_ARG(1, sizeof(cl_mem), &buf[1]);
+  globals[0] = n;
+  locals[0] = 16;
+
+  OCL_MAP_BUFFER(0);
+  ((short*)buf_data[0])[0] = 0;
+  for (int32_t i = 1; i < (int32_t) n; ++i)
+    ((short*)buf_data[0])[i] = 0xffffu >> i;
+  OCL_UNMAP_BUFFER(0);
+
+  OCL_NDRANGE(1);
+
+  OCL_MAP_BUFFER(1);
+  OCL_ASSERT(((short*)buf_data[1])[0] == 16);
+  for (unsigned i = 1; i < (unsigned) n; ++i)
+    OCL_ASSERT(((short*)buf_data[1])[i] == (short)i);
+  OCL_UNMAP_BUFFER(1);
+}
+
+MAKE_UTEST_FROM_FUNCTION(compiler_clz_short);
-- 
1.8.1.2