Implement prefetch builtin
The default implementation is a no-op. Targets should override this
with their own implementations.
llvm-svn: 216127
diff --git a/libclc/generic/lib/async/prefetch.cl b/libclc/generic/lib/async/prefetch.cl
new file mode 100644
index 0000000..45af21b
--- /dev/null
+++ b/libclc/generic/lib/async/prefetch.cl
@@ -0,0 +1,9 @@
+#include <clc/clc.h>
+
+#ifdef cl_khr_fp64
+#pragma OPENCL EXTENSION cl_khr_fp64 : enable
+#endif
+
+#define __CLC_BODY <prefetch.inc>
+#include <clc/async/gentype.inc>
+#undef __CLC_BODY