ggml : tag ggml_tensor::backend as deprecated (llama/7290)

include/ggml/ggml.h

@@ -565,7 +565,8 @@ extern "C" {
  // n-dimensional tensor
  struct ggml_tensor {
  enum ggml_type type;
- enum ggml_backend_type backend;
+
+ GGML_DEPRECATED(enum ggml_backend_type backend, "use the buffer type to find the storage location of the tensor");
 
  struct ggml_backend_buffer * buffer;
 

src/ggml-backend.c

@@ -1895,7 +1895,6 @@ void ggml_backend_view_init(ggml_backend_buffer_t buffer, struct ggml_tensor * t
 
  tensor->buffer = buffer;
  tensor->data = (char *)tensor->view_src->data + tensor->view_offs;
- tensor->backend = tensor->view_src->backend;
  ggml_backend_buffer_init_tensor(buffer, tensor);
 }
 

src/ggml.c

@@ -3178,6 +3178,12 @@ static struct ggml_tensor * ggml_new_tensor_impl(
 
  struct ggml_tensor * const result = (struct ggml_tensor *)((char *)ctx->mem_buffer + obj_new->offs);
 
+#ifdef __clang__
+ // temporary until ggml_tensor::backend is removed
+ #pragma clang diagnostic push
+ #pragma clang diagnostic ignored "-Wdeprecated-declarations"
+#endif
+
  *result = (struct ggml_tensor) {
  /*.type =*/ type,
  /*.backend =*/ GGML_BACKEND_TYPE_CPU,
@@ -3200,6 +3206,10 @@ static struct ggml_tensor * ggml_new_tensor_impl(
  /*.padding =*/ { 0 },
  };
 
+#ifdef __clang__
+ #pragma clang diagnostic pop
+#endif
+
  // TODO: this should not be needed as long as we don't rely on aligned SIMD loads
  //ggml_assert_aligned(result->data);