Make image builtins r600/llvm-3.9 only

The implementation uses r600 sepcific intrinsics
LLVM-4 switched to _ro_t and _rw_t image types
Portions of the code can be moved back as more targets/llvm versions add image support

Reviewer: Aaron Watry
Signed-off-by: Jan Vesely <jan.vesely@rutgers.edu>
llvm-svn: 315341

libclc/amdgpu/lib/SOURCES

@@ -1,16 +1,2 @@
 math/nextafter.cl
 math/sqrt.cl
-image/get_image_width.cl
-image/get_image_height.cl
-image/get_image_depth.cl
-image/get_image_channel_data_type.cl
-image/get_image_channel_order.cl
-image/get_image_attributes_impl.ll
-image/read_imagef.cl
-image/read_imagei.cl
-image/read_imageui.cl
-image/read_image_impl.ll
-image/write_imagef.cl
-image/write_imagei.cl
-image/write_imageui.cl
-image/write_image_impl.ll

libclc/generic/lib/SOURCES

@@ -161,4 +161,3 @@ shared/vload.cl
 shared/vstore.cl
 workitem/get_global_id.cl
 workitem/get_global_size.cl
-image/get_image_dim.cl

libclc/r600/lib/SOURCES_3.9

@@ -0,0 +1,15 @@
+image/get_image_dim.cl
+image/get_image_width.cl
+image/get_image_height.cl
+image/get_image_depth.cl
+image/get_image_channel_data_type.cl
+image/get_image_channel_order.cl
+image/get_image_attributes_impl.ll
+image/read_imagef.cl
+image/read_imagei.cl
+image/read_imageui.cl
+image/read_image_impl.ll
+image/write_imagef.cl
+image/write_imagei.cl
+image/write_imageui.cl
+image/write_image_impl.ll