#ifndef _BEUTIL_H
#define _BEUTIL_H
+#include "firm_config.h"
+
#include <stdio.h>
+#include "pset.h"
#include "irnode.h"
-#include "config.h"
-
#include "bearch.h"
+/* iterate over a list of ir_nodes linked by link field */
+#define foreach_linked_irns(head, iter) for ((iter) = (head); (iter); (iter) = get_irn_link((iter)))
+
+/**
+ * Get an empty set.
+ * This function always returns the same set.
+ */
+pset *be_empty_set(void);
+
+
/** Undefine this to disable debugging mode. */
#define BE_DEBUG 1
+/**
+ * Convenient block getter.
+ * Works also, if the given node is a block.
+ * @param irn The node.
+ * @return The block of the node, or the node itself, if the node is a
+ * block.
+ */
+static INLINE const ir_node *get_block(const ir_node *irn)
+{
+ return is_Block(irn) ? irn : get_nodes_block(irn);
+}
+
+static INLINE int is_firm_be_mode(const ir_mode *mode)
+{
+ return mode_is_data(mode);
+}
+
/**
* Check, if a node produces or consumes a data value.
* If it does, it is significant for scheduling and register allocation.
int i, n;
/* If the node produces a data value, return immediately. */
- if(mode_is_datab(get_irn_mode(irn)))
+ if(is_firm_be_mode(get_irn_mode(irn)))
return 1;
/* else check, if it takes a data value, if that is so, return */
for(i = 0, n = get_irn_arity(irn); i < n; ++i) {
ir_node *op = get_irn_n(irn, i);
- if(mode_is_datab(get_irn_mode(op)))
+ if(is_firm_be_mode(get_irn_mode(op)))
return 1;
}
return 0;
}
-/**
- * Make each constant local to its use.
- * This duplicates all constants in order to simulate a realistic
- * register pressure.
- * @param irg The graph.
- */
-void localize_consts(ir_graph *irg);
-
/**
* Dump a vcg graph containing the controlflow graph, the schedule and
* allocated registers.
*/
void dump_allocated_irg(arch_env_t *env, ir_graph *irg, char *suffix);
-
+void be_clear_links(ir_graph *irg);
static INLINE FILE *ffopen(const char *base, const char *ext, const char *mode) {
FILE *out;
char buf[1024];
snprintf(buf, sizeof(buf), "%s.%s", base, ext);
+ buf[sizeof(buf) - 1] = '\0';
if (! (out = fopen(buf, mode))) {
fprintf(stderr, "Cannot open file %s in mode %s\n", buf, mode);
return NULL;
return out;
}
-#endif
+/**
+ * Dump a graph with schedule edges.
+ * @param irg The graph.
+ * @param suffix A suffix to its file name.
+ */
+void dump_ir_block_graph_sched(ir_graph *irg, const char *suffix);
+
+/**
+ * Dump a extended block graph with schedule edges.
+ * @param irg The graph.
+ * @param suffix A suffix to its file name.
+ */
+void dump_ir_extblock_graph_sched(ir_graph *irg, const char *suffix);
+
+/**
+ * Dumps a graph and numbers all dumps.
+ * @param irg The graph
+ * @param suffix A suffix to its file name.
+ * @param dumper The dump function
+ */
+void be_dump(ir_graph *irg, const char *suffix, void (*dumper)(ir_graph *, const char *));
+
+/**
+ * Returns the number of reachable nodes in an irg.
+ * @param irg The irg.
+ * @return The number of reachable nodes.
+ */
+unsigned get_num_reachable_nodes(ir_graph *irg);
+
+/**
+ * Sets all node inputs to BAD node.
+ * @param irn The node to be killed.
+ */
+void be_kill_node(ir_node *irn);
+
+/**
+ * Search for an irn in @p accept.
+ * The search is started at @p start_point_exclusive and continues upwards the dom-tree
+ * @return The first node out of accept if found. Else NULL is returned.
+ */
+ir_node *dom_up_search(pset *accept, ir_node *start_point_exclusive);
+
+#endif /* _BEUTIL_H */