ir_node *get_loop_node (ir_loop *loop, int pos);
/** Returns the number of elements contained in loop. */
-int get_loop_n_elements (ir_loop *loop);
+int get_loop_n_elements (const ir_loop *loop);
+
/** Returns a loop element. A loop element can be interpreted as a
kind pointer, an ir_node* or an ir_loop*. */
-loop_element get_loop_element (ir_loop *loop, int pos);
+loop_element get_loop_element (const ir_loop *loop, int pos);
/** Returns the element number of the loop son in loop.
* Returns -1 if not found. O(|elements|). */
-int get_loop_element_pos(ir_loop *loop, void *le);
+int get_loop_element_pos(const ir_loop *loop, void *le);
/** Returns a unique node number for the loop node to make output
readable. If libfirm_debug is not set it returns the loop cast to
int. */
-int get_loop_loop_nr(ir_loop *loop);
+int get_loop_loop_nr(const ir_loop *loop);
/** A field to connect additional information to a loop. Only valid
if libfirm_debug is set, else returns NULL. */
* Modified by:
* Created: 7.2002
* CVS-ID: $Id$
- * Copyright: (c) 2002-2003 Universität Karlsruhe
+ * Copyright: (c) 2002-2006 Universität Karlsruhe
* Licence: This file protected by GPL - GNU GENERAL PUBLIC LICENSE.
*/
loop->n_nodes++;
}
-/** Returns the number of elements contained in loop. */
-int get_loop_n_elements (ir_loop *loop) {
+/* Returns the number of elements contained in loop. */
+int get_loop_n_elements (const ir_loop *loop) {
assert(loop && loop->kind == k_ir_loop);
return(ARR_LEN(loop->children));
}
and then select the appropriate "loop_element.node" or "loop_element.son".
*/
-loop_element get_loop_element (ir_loop *loop, int pos) {
+loop_element get_loop_element(const ir_loop *loop, int pos) {
assert(loop && loop->kind == k_ir_loop && pos < ARR_LEN(loop->children));
-
return(loop -> children[pos]);
}
-int get_loop_element_pos(ir_loop *loop, void *le) {
- int i;
+int get_loop_element_pos(const ir_loop *loop, void *le) {
+ int i, n;
assert(loop && loop->kind == k_ir_loop);
- for (i = 0; i < get_loop_n_elements(loop); i++)
+ n = get_loop_n_elements(loop);
+ for (i = 0; i < n; i++)
if (get_loop_element(loop, i).node == le) return i;
return -1;
}
-int get_loop_loop_nr(ir_loop *loop) {
+int get_loop_loop_nr(const ir_loop *loop) {
assert(loop && loop->kind == k_ir_loop);
#ifdef DEBUG_libfirm
return loop->loop_nr;