- Split bearch.h correctly into bearch.h and bearch_t.h

[libfirm] / ir / be / beutil.h

diff --git a/ir/be/beutil.h b/ir/be/beutil.h
index a32cc59..47af83a 100644 (file)
--- a/ir/be/beutil.h
+++ b/ir/be/beutil.h
@@ -2,14 +2,43 @@
 #ifndef _BEUTIL_H
 #define _BEUTIL_H
 
+#include "firm_config.h"
+
 #include <stdio.h>
 
+#include "pset.h"
 #include "irnode.h"
-#include "config.h"
+#include "bearch_t.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.
@@ -23,13 +52,13 @@ static INLINE int is_data_node(const ir_node *irn)
        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;
        }
 
@@ -37,20 +66,74 @@ static INLINE int is_data_node(const ir_node *irn)
        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.
  * @param irg The irg. Note that scheduling, register allocation must
  * have been performed.
  */
-void dump_allocated_irg(ir_graph *irg);
+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;
+}
+
+/**
+ * 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);
+
+/**
+ * Gets the Proj with number pn from irn.
+ */
+ir_node *be_get_Proj_for_pn(const ir_node *irn, long pn);
 
-#endif
+#endif /* _BEUTIL_H */