243     REFERENCE,  enumerator
289     case REFERENCE:  in equal()
310     case REFERENCE:  in hash()
671     case REFERENCE:  in get_expr_value_id()
928     case REFERENCE:  in print_pre_expr()
1123     case REFERENCE:  in fully_constant_expression()
1244     case REFERENCE:  in get_expr_type()
1273     case REFERENCE:
1469     case REFERENCE:  in phi_translate_1()
1596 	    expr->kind = REFERENCE;  in phi_translate_1()
1900     case REFERENCE:  in valid_in_sets()
1969       if (expr->kind == REFERENCE)  in prune_clobbered_mems()
2783     case REFERENCE:  in create_expression_by_pieces()
3043 	  && expr->kind != REFERENCE)  in insert_into_preds_of_block()
3209 	  || expr->kind == REFERENCE)  in do_pre_regular_insertion()
3380 	  || expr->kind == REFERENCE)  in do_pre_partial_partial_insertion()
3592       if (expr->kind == REFERENCE  in do_hoist_insertion()
3912 		    result->kind = REFERENCE;  in compute_avail()
4085 		      result->kind = REFERENCE;  in compute_avail()