static cdep_info *cdep_data;
/* Return a list of all control dependences of a block. */
-ir_cdep *find_cdep(const ir_node *block) {
- return pmap_get(cdep_data->cdep_map, block);
+ir_cdep *find_cdep(const ir_node *block)
+{
+ return (ir_cdep*) pmap_get(cdep_data->cdep_map, block);
}
/* Replace the control dependence info of old by the info of nw. */
-void exchange_cdep(ir_node *old, const ir_node *nw) {
+void exchange_cdep(ir_node *old, const ir_node *nw)
+{
ir_cdep *cdep = find_cdep(nw);
pmap_insert(cdep_data->cdep_map, old, cdep);
}
/**
* Adds a control dependence from node to dep_on.
*/
-static void add_cdep(ir_node *node, ir_node *dep_on) {
+static void add_cdep(ir_node *node, ir_node *dep_on)
+{
ir_cdep *dep = find_cdep(node);
#if 0
ir_fprintf(stderr, "Adding cdep of %+F on %+F\n", node, dep_on);
#endif
if (dep == NULL) {
- ir_cdep *newdep = obstack_alloc(&cdep_data->obst, sizeof(*newdep));
+ ir_cdep *newdep = OALLOC(&cdep_data->obst, ir_cdep);
newdep->node = dep_on;
newdep->next = NULL;
if (dep->next == NULL) break;
dep = dep->next;
}
- newdep = obstack_alloc(&cdep_data->obst, sizeof(*newdep));
+ newdep = OALLOC(&cdep_data->obst, ir_cdep);
newdep->node = dep_on;
newdep->next = NULL;
dep->next = newdep;
/**
* Pre-block-walker: calculate the control dependence
*/
-static void cdep_pre(ir_node *node, void *ctx) {
- cdep_env *env = ctx;
+static void cdep_pre(ir_node *node, void *ctx)
+{
+ cdep_env *env = (cdep_env*) ctx;
int i;
/* special case:
}
/* Compute the control dependence graph for a graph. */
-void compute_cdep(ir_graph *irg) {
+void compute_cdep(ir_graph *irg)
+{
ir_node *rem;
cdep_env env;
}
/* Free the control dependence info. */
-void free_cdep(ir_graph *irg) {
+void free_cdep(ir_graph *irg)
+{
(void) irg;
if (cdep_data != NULL) {
pmap_destroy(cdep_data->cdep_map);
}
/* Check whether dependee is (directly) control dependent on candidate. */
-int is_cdep_on(const ir_node *dependee, const ir_node *candidate) {
+int is_cdep_on(const ir_node *dependee, const ir_node *candidate)
+{
const ir_cdep *dep;
for (dep = find_cdep(dependee); dep != NULL; dep = dep->next) {
}
/* Check whether dependee is (possible iterated) control dependent on candidate. */
-int is_iterated_cdep_on(ir_node *dependee, ir_node *candidate) {
+int is_iterated_cdep_on(ir_node *dependee, ir_node *candidate)
+{
const ir_cdep *dep;
while ((dep = find_cdep(dependee)) != NULL) {
}
/* If block is control dependent on exactly one node, return this node, else NULL. */
-ir_node *get_unique_cdep(const ir_node *block) {
+ir_node *get_unique_cdep(const ir_node *block)
+{
ir_cdep *cdep = find_cdep(block);
return cdep != NULL && cdep->next == NULL ? cdep->node : NULL;
}
/* Check if the given block is control dependent of more than one node. */
-int has_multiple_cdep(const ir_node *block) {
+int has_multiple_cdep(const ir_node *block)
+{
ir_cdep *cdep = find_cdep(block);
return cdep != NULL && cdep->next != NULL;