struct data_reference *create_data_ref (struct loop *, tree, gimple, bool);
extern bool find_loop_nest (struct loop *, VEC (loop_p, heap) **);
extern void compute_all_dependences (VEC (data_reference_p, heap) *,
struct data_reference *create_data_ref (struct loop *, tree, gimple, bool);
extern bool find_loop_nest (struct loop *, VEC (loop_p, heap) **);
extern void compute_all_dependences (VEC (data_reference_p, heap) *,