X-Git-Url: http://nsz.repo.hu/git/?a=blobdiff_plain;f=ir%2Fbe%2Fbeutil.h;h=6e676de0d56b0267e79891b93e4b6b61666d1a75;hb=80a6158fdd766f42ee6c508a773bc114ff1b61f3;hp=9db6184eb63c99f73ff0a522e58a5afc09ed11bf;hpb=38a2ba857e1e5a2f3e67c2b9f4d7510c1a2d074d;p=libfirm diff --git a/ir/be/beutil.h b/ir/be/beutil.h index 9db6184eb..6e676de0d 100644 --- a/ir/be/beutil.h +++ b/ir/be/beutil.h @@ -2,13 +2,21 @@ #ifndef _BEUTIL_H #define _BEUTIL_H +#include "firm_config.h" + #include +#include "pset.h" #include "irnode.h" -#include "config.h" - #include "bearch.h" +/** + * 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 @@ -21,7 +29,12 @@ */ static INLINE const ir_node *get_block(const ir_node *irn) { - return is_Block(irn) ? irn : get_nodes_block(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); } /** @@ -37,13 +50,13 @@ 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; } @@ -51,14 +64,6 @@ 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. @@ -67,13 +72,14 @@ void localize_consts(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; @@ -88,4 +94,33 @@ static INLINE FILE *ffopen(const char *base, const char *ext, const char *mode) */ void dump_ir_block_graph_sched(ir_graph *irg, const char *suffix); -#endif +/** + * 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); + +/** + * 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 */