X-Git-Url: http://nsz.repo.hu/git/?a=blobdiff_plain;f=ir%2Fbe%2Fbeirgmod.h;h=54fa679137e7ad74cad6e135449a2f11c4fa4ea9;hb=c6b7fb5b419ebec2df73da5c64513cfdbf63ba45;hp=691b53f2e284cded1e92f8dba05366eb4949e31e;hpb=4c66ebcce62ceffb68a891142dd309429e03351a;p=libfirm diff --git a/ir/be/beirgmod.h b/ir/be/beirgmod.h index 691b53f2e..54fa67913 100644 --- a/ir/be/beirgmod.h +++ b/ir/be/beirgmod.h @@ -10,6 +10,7 @@ #ifndef _BEIRGMOD_H #define _BEIRGMOD_H +#include "firm_types.h" #include "pset.h" /* @@ -46,20 +47,68 @@ void be_free_dominance_frontiers(dom_front_info_t *info); * represent the same concrete value. This is the case if you * - copy * - spill and reload - * - rematerialize + * - re-materialize * a value. * * This function reroutes all uses of the original value to the copies in the - * corresponding dominance subtrees and creates Phi functions if neccessary. + * corresponding dominance subtrees and creates Phi functions if necessary. * - * @param info Dominance frontier information. - * @param orig The node for which you want to introduce copies. - * @param n The number of copies ypu introduce. - * @param copies An array of nodes which are copies of @p orig. + * @param info Dominance frontier information. + * @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_introduce_copies_ignore(dom_front_info_t *info, ir_node *orig, - int n, ir_node *copies[], pset *irgore_uses); +void be_ssa_constr_phis_ignore(dom_front_info_t *info, int n, ir_node *nodes[], pset *phis, pset *ignore_uses); -void be_introduce_copies(dom_front_info_t *info, ir_node *orig, - int n, ir_node *copies[]); -#endif +/** + * 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); + +/** + * 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); + +/** + * 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[]); + +/** + * 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); + +/** + * Same as be_ssa_constr() but with pset instead of array. + */ +void be_ssa_constr_set(dom_front_info_t *info, 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); + +/** + * 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); + +/** + * Insert a Perm which permutates all (non-ignore) live values of a given register class + * after a certain instruction. + * @param arch_env The architecture environment. + * @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, + const arch_register_class_t *cls, + dom_front_info_t *dom_front, + ir_node *irn); + +#endif /* _BEIRGMOD_H */