5 #include "firm_config.h"
15 * This function always returns the same set.
17 pset *be_empty_set(void);
20 /** Undefine this to disable debugging mode. */
24 * Convenient block getter.
25 * Works also, if the given node is a block.
26 * @param irn The node.
27 * @return The block of the node, or the node itself, if the node is a
30 static INLINE const ir_node *get_block(const ir_node *irn)
32 return is_Block(irn) ? irn : get_nodes_block(irn);
35 static INLINE int is_firm_be_mode(const ir_mode *mode)
37 return mode_is_data(mode);
41 * Check, if a node produces or consumes a data value.
42 * If it does, it is significant for scheduling and register allocation.
43 * A node produces/consumes a data value, if one of its operands is of
44 * mode datab, or his retuning mode is of mode datab.
45 * @param irn The node to check for.
46 * @return 1, if the node is a data node, 0 if not.
48 static INLINE int is_data_node(const ir_node *irn)
52 /* If the node produces a data value, return immediately. */
53 if(is_firm_be_mode(get_irn_mode(irn)))
56 /* else check, if it takes a data value, if that is so, return */
57 for(i = 0, n = get_irn_arity(irn); i < n; ++i) {
58 ir_node *op = get_irn_n(irn, i);
59 if(is_firm_be_mode(get_irn_mode(op)))
63 /* Else the node does not produce/consume a data value */
68 * Make each constant local to its use.
69 * This duplicates all constants in order to simulate a realistic
71 * @param irg The graph.
73 void localize_consts(ir_graph *irg);
76 * Dump a vcg graph containing the controlflow graph, the schedule and
77 * allocated registers.
78 * @param irg The irg. Note that scheduling, register allocation must
79 * have been performed.
81 void dump_allocated_irg(arch_env_t *env, ir_graph *irg, char *suffix);
83 void be_clear_links(ir_graph *irg);
85 static INLINE FILE *ffopen(const char *base, const char *ext, const char *mode) {
89 snprintf(buf, sizeof(buf), "%s.%s", base, ext);
90 if (! (out = fopen(buf, mode))) {
91 fprintf(stderr, "Cannot open file %s in mode %s\n", buf, mode);
98 * Dump a graph with schedule edges.
99 * @param irg The graph.
100 * @param suffix A suffix to its file name.
102 void dump_ir_block_graph_sched(ir_graph *irg, const char *suffix);
105 * Dump a extended block graph with schedule edges.
106 * @param irg The graph.
107 * @param suffix A suffix to its file name.
109 void dump_ir_extblock_graph_sched(ir_graph *irg, const char *suffix);
112 * Dumps a graph and numbers all dumps.
113 * @param irg The graph
114 * @param suffix A suffix to its file name.
115 * @param dumper The dump function
117 void be_dump(ir_graph *irg, const char *suffix, void (*dumper)(ir_graph *, const char *));
120 #endif /* _BEUTIL_H */
123 * Search for an irn in @p accept.
124 * The search is started at @p start_point_exclusive and continues upwards the dom-tree
125 * @return The first node out of accept if found. Else NULL is returned.
127 ir_node *dom_up_search(pset *accept, ir_node *start_point_exclusive);