X-Git-Url: http://nsz.repo.hu/git/?a=blobdiff_plain;f=ir%2Fbe%2Fbeirgmod.h;h=e2349b7e3143e16269f990c42b44d83f5eab05bd;hb=80a6158fdd766f42ee6c508a773bc114ff1b61f3;hp=200a07491b86fbd9137e5777664ae1e1945d417b;hpb=06cf13e40f34e97ab54f16a88e1897780093ac98;p=libfirm diff --git a/ir/be/beirgmod.h b/ir/be/beirgmod.h index 200a07491..e2349b7e3 100644 --- a/ir/be/beirgmod.h +++ b/ir/be/beirgmod.h @@ -10,19 +10,22 @@ #ifndef _BEIRGMOD_H #define _BEIRGMOD_H +#include "firm_types.h" #include "pset.h" +#include "belive.h" + /* * Forward type declaration. */ -typedef struct _dom_front_info_t dom_front_info_t; +typedef struct _be_dom_front_info_t be_dom_front_info_t; /** * Compute the dominance frontiers for a given graph. * @param irg The graphs. * @return A pointer to the dominance frontier information. */ -dom_front_info_t *be_compute_dominance_frontiers(ir_graph *irg); +be_dom_front_info_t *be_compute_dominance_frontiers(ir_graph *irg); /** * Get the dominance frontier of a block. @@ -30,13 +33,13 @@ dom_front_info_t *be_compute_dominance_frontiers(ir_graph *irg); * @param block The block whose dominance frontier you want. * @return A set containing the all blocks in the dominance frontier of @p block. */ -pset *be_get_dominance_frontier(dom_front_info_t *info, ir_node *block); +pset *be_get_dominance_frontier(be_dom_front_info_t *info, ir_node *block); /** * Free some dominance frontier information. * @param info Some dominance frontier information. */ -void be_free_dominance_frontiers(dom_front_info_t *info); +void be_free_dominance_frontiers(be_dom_front_info_t *info); /** * Introduce several copies for one node. @@ -53,26 +56,74 @@ void be_free_dominance_frontiers(dom_front_info_t *info); * corresponding dominance subtrees and creates Phi functions if necessary. * * @param info Dominance frontier information. + * @param lv Liveness information to be updated. If NULL, liveness updating is simply ignored. * @param n Length of nodes array. * @param nodes The nodes which shall represent the same SSA value. + * @param phis A set to which all inserted Phis are added. * @param ignore_uses A set of nodes probably using one of the nodes in @p nodes. * Their usage will not adjusted. They remain untouched by this function. */ -void be_ssa_constr_ignore(dom_front_info_t *info, int n, ir_node *nodes[], pset *ignore_uses); +void be_ssa_constr_phis_ignore(be_dom_front_info_t *info, be_lv_t *lv, int n, ir_node *nodes[], pset *phis, pset *ignore_uses); + +/** + * Same as be_ssa_constr_phis_ignore() but without the ignore set. + */ +void be_ssa_constr_phis(be_dom_front_info_t *info, be_lv_t *lv, int n, ir_node *nodes[], pset *phis); + +/** + * Same as be_ssa_constr_phis_ignore() but without the Phi set. + */ +void be_ssa_constr_ignore(be_dom_front_info_t *info, be_lv_t *lv, int n, ir_node *nodes[], pset *ignore_uses); /** * Same as be_ssa_constr_ignore() but with empty ignore set. */ -void be_ssa_constr(dom_front_info_t *info, int n, ir_node *nodes[]); +void be_ssa_constr(be_dom_front_info_t *info, be_lv_t *lv, int n, ir_node *nodes[]); /** * Same as be_ssa_constr_ignore() but with pset instead of array. */ -void be_ssa_constr_set_ignore(dom_front_info_t *df, pset *nodes, pset *ignore_uses); +void be_ssa_constr_set_ignore(be_dom_front_info_t *df, be_lv_t *lv, pset *nodes, pset *ignore_uses); /** * Same as be_ssa_constr() but with pset instead of array. */ -void be_ssa_constr_set(dom_front_info_t *info, pset *nodes); +void be_ssa_constr_set(be_dom_front_info_t *info, be_lv_t *lv, pset *nodes); + +/** + * Same as be_ssa_constr_phis_ignore() but with set instead of array. + */ +void be_ssa_constr_set_phis_ignore(be_dom_front_info_t *info, be_lv_t *lv, pset *nodes, pset *phis, pset *ignore); + +/** + * Same as be_ssa_constr_phis_ignore() but without ignore set. + */ +void be_ssa_constr_set_phis(be_dom_front_info_t *info, be_lv_t *lv, pset *nodes, pset *phis); + +/** + * Insert a Perm which permutes all (non-ignore) live values of a given register class + * after a certain instruction. + * @param arch_env The architecture environment. + * @param lv Liveness Information. + * @param cls The register class. + * @param dom_front Dominance frontier information. + * @param irn The node to insert the Perm after. + * @return The Perm or NULL if nothing was live before @p irn. + */ +ir_node *insert_Perm_after(const arch_env_t *arch_env, + be_lv_t *lv, + const arch_register_class_t *cls, + be_dom_front_info_t *dom_front, + ir_node *irn); + +struct _be_chordal_env_t; + +void extreme_liverange_splitting(struct _be_chordal_env_t *cenv); + +/** + * removes basic blocks that only contain a jump instruction + * (this will potentially create critical edges) + */ +void be_remove_empty_blocks(ir_graph *irg); -#endif +#endif /* _BEIRGMOD_H */