* Environment for each of the chordal register allocator phases
*/
struct _be_chordal_env_t {
- struct obstack obst; /**< An obstack for temporary storage. */
- be_ra_chordal_opts_t *opts; /**< A pointer to the chordal ra options. */
- const be_irg_t *birg; /**< Back-end IRG session. */
- dom_front_info_t *dom_front; /**< Dominance frontiers. */
- ir_graph *irg; /**< The graph under examination. */
- const arch_register_class_t *cls; /**< The current register class. */
- pmap *border_heads; /**< Maps blocks to border heads. */
- be_ifg_t *ifg; /**< The interference graph. */
- void *data; /**< Some pointer, to which different phases can attach data to. */
+ struct obstack obst; /**< An obstack for temporary storage. */
+ be_ra_chordal_opts_t *opts; /**< A pointer to the chordal ra options. */
+ const be_irg_t *birg; /**< Back-end IRG session. */
+ dom_front_info_t *dom_front; /**< Dominance frontiers. */
+ ir_graph *irg; /**< The graph under examination. */
+ const arch_register_class_t *cls; /**< The current register class. */
+ pmap *border_heads; /**< Maps blocks to border heads. */
+ be_ifg_t *ifg; /**< The interference graph. */
+ void *data; /**< Some pointer, to which different phases can attach data to. */
+ bitset_t *ignore_colors; /**< A set of colors which shall be ignored in register allocation. */
DEBUG_ONLY(firm_dbg_module_t *dbg;) /**< Debug module for the chordal register allocator. */
};
BE_CH_DUMP_ALL = 2 * BE_CH_DUMP_LOWER - 1,
/* copymin method */
- BE_CH_COPYMIN_HEUR = 1,
- BE_CH_COPYMIN_ILP = 2,
+ BE_CH_COPYMIN_NONE = 0,
+ BE_CH_COPYMIN_HEUR1 = 1,
+ BE_CH_COPYMIN_HEUR2 = 2,
+ BE_CH_COPYMIN_STAT = 3,
+ BE_CH_COPYMIN_ILP1 = 4,
+ BE_CH_COPYMIN_ILP2 = 5,
/* ifg flavor */
BE_CH_IFG_STD = 1,
/* lower perm options */
BE_CH_LOWER_PERM_SWAP = (1 << 0),
BE_CH_LOWER_PERM_COPY = (1 << 1),
- BE_CH_LOWER_PERM_STAT = (1 << 2)
};
struct _be_ra_chordal_opts_t {
char ilp_solver[128];
};
+/**
+ * Open a file whose name is composed from the graph's name and the current register class.
+ * @note The name of the file will be prefix(ifg_name)_(reg_class_name).suffix
+ * @param prefix The file name's prefix.
+ * @param suffix The file name's ending (the . is inserted automatically).
+ * @return A text file opened for writing.
+ */
+FILE *be_chordal_open(const be_chordal_env_t *env, const char *prefix, const char *suffix);
#endif /* _BECHORDAL_T_H */