X-Git-Url: http://nsz.repo.hu/git/?a=blobdiff_plain;f=ir%2Fbe%2Fbeirgmod.h;h=19d11e05fc5b92e8e54851db949d5c5b044dfd99;hb=4ed245f5007168dab7850942a7ee6b6b29a19817;hp=ac6956820bc6d9c08071f4079ce28fc9e99fcedc;hpb=9bda12c76350f687b36599a28f12000db15d5d52;p=libfirm diff --git a/ir/be/beirgmod.h b/ir/be/beirgmod.h index ac6956820..19d11e05f 100644 --- a/ir/be/beirgmod.h +++ b/ir/be/beirgmod.h @@ -13,6 +13,8 @@ #include "firm_types.h" #include "pset.h" +#include "belive.h" + /* * Forward type declaration. */ @@ -54,47 +56,68 @@ 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_phis_ignore(dom_front_info_t *info, int n, ir_node *nodes[], pset *phis, pset *ignore_uses); +void be_ssa_constr_phis_ignore(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(dom_front_info_t *info, int n, ir_node *nodes[], pset *phis); +void be_ssa_constr_phis(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(dom_front_info_t *info, int n, ir_node *nodes[], pset *ignore_uses); +void be_ssa_constr_ignore(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(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(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(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(dom_front_info_t *info, pset *nodes, pset *phis, pset *ignore); +void be_ssa_constr_set_phis_ignore(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(dom_front_info_t *info, pset *nodes, pset *phis); +void be_ssa_constr_set_phis(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, + dom_front_info_t *dom_front, + ir_node *irn); + +struct _be_chordal_env_t; + +void extreme_liverange_splitting(struct _be_chordal_env_t *cenv); #endif /* _BEIRGMOD_H */