tree-data-ref.c (array_base_name_differ_p): Check that the bases exist and are objects.

tree-data-ref.c (array_base_name_differ_p): Check that the bases exist and are objects.

        * tree-data-ref.c (array_base_name_differ_p): Check that the bases
        exist and are objects. Remove checks for pointer.
        * tree-vectorizer.c (vect_create_addr_base_for_vector_ref): Use
        STMT_VINFO_VECT_DR_BASE_ADDRESS instead of DR_BASE_NAME.
        (vect_create_data_ref_ptr): Likewise.
        (vect_base_addr_differ_p): New function.
        (vect_analyze_data_ref_dependence): Call vect_base_addr_differ_p.
        (vect_analyze_pointer_ref_access): Add output parameter - ptr_init.
        Don't set the DR_BASE_NAME field of data-ref.
        (vect_get_memtag_and_dr): Use ptr_init instead of DR_BASE_NAME.

From-SVN: r94932