1 files changed, 45 insertions, 0 deletions
diff --git a/utests/builtin_shuffle.cpp b/utests/builtin_shuffle.cpp
new file mode 100644
index 00000000..c7fa86ba
--- /dev/null
+++ b/utests/builtin_shuffle.cpp
@@ -0,0 +1,45 @@
+#include "utest_helper.hpp"
+
+void builtin_shuffle(void)
+{
+  const int n = 32;
+
+  // Setup kernel and buffers
+  OCL_CREATE_KERNEL("builtin_shuffle");
+  OCL_CREATE_BUFFER(buf[0], 0, n * sizeof(float), NULL);
+  OCL_CREATE_BUFFER(buf[1], 0, n * sizeof(float), NULL);
+  OCL_CREATE_BUFFER(buf[2], 0, n * sizeof(float), NULL);
+  OCL_CREATE_BUFFER(buf[3], 0, n * sizeof(float), NULL);
+  OCL_SET_ARG(0, sizeof(cl_mem), &buf[0]);
+  OCL_SET_ARG(1, sizeof(cl_mem), &buf[1]);
+  OCL_SET_ARG(2, sizeof(cl_mem), &buf[2]);
+  OCL_SET_ARG(3, sizeof(cl_mem), &buf[3]);
+  globals[0] = n;
+  locals[0] = 16;
+
+  OCL_MAP_BUFFER(0);
+  OCL_MAP_BUFFER(1);
+  for (int i = 0; i < n; i ++) {
+    ((float *)(buf_data[0]))[i] = rand();
+    ((float *)(buf_data[1]))[i] = rand();
+  }
+  OCL_UNMAP_BUFFER(0);
+  OCL_UNMAP_BUFFER(1);
+
+  OCL_NDRANGE(1);
+
+  OCL_MAP_BUFFER(0);
+  OCL_MAP_BUFFER(1);
+  OCL_MAP_BUFFER(2);
+  OCL_MAP_BUFFER(3);
+  for (int i = 0; i < n; i ++) {
+    OCL_ASSERT(((float *)(buf_data[0]))[i] == ((float *)(buf_data[3]))[i]);
+    OCL_ASSERT(((float *)(buf_data[1]))[i] == ((float *)(buf_data[2]))[i]);
+  }
+  OCL_UNMAP_BUFFER(0);
+  OCL_UNMAP_BUFFER(1);
+  OCL_UNMAP_BUFFER(2);
+  OCL_UNMAP_BUFFER(3);
+}
+
+MAKE_UTEST_FROM_FUNCTION(builtin_shuffle);