X-Git-Url: http://nsz.repo.hu/git/?a=blobdiff_plain;f=ir%2Fbe%2Fbelive_t.h;h=6f1e965a133581acdd2b95ea54f01b198ca3f2ea;hb=8535fe8732b0acf822be252812a7158ce5b8134a;hp=68f671ec12030461d328a4dfbecd6f46cbdf3411;hpb=5d001fc14a7d4ef4926012a9b5864341bac35066;p=libfirm diff --git a/ir/be/belive_t.h b/ir/be/belive_t.h index 68f671ec1..6f1e965a1 100644 --- a/ir/be/belive_t.h +++ b/ir/be/belive_t.h @@ -7,143 +7,95 @@ #ifndef _BELIVE_T_H #define _BELIVE_T_H -#include "config.h" - #include "irgraph_t.h" #include "iredges_t.h" +#include "irphase_t.h" +#include "irhooks.h" -#include "belive.h" #include "pset.h" #include "set.h" #include "list.h" #include "hashptr.h" +#include "bitset.h" -typedef enum _live_state_t { - live_state_in = 1, - live_state_end = 2, - live_state_out = 4, - live_state_block = 8, -} live_state_t; - -typedef struct _irn_live_t { - const ir_node *block; - const ir_node *irn; - unsigned state; - struct _irn_live_t *next; -} irn_live_t; - -typedef struct _irg_live_info_t { - set *live; -} irg_live_info_t; - -extern size_t live_irg_data_offset; - -#define get_irg_live_info(irg) (get_irg_data(irg, irg_live_info_t, live_irg_data_offset)) - -#define live_is_in(live) (((live)->state & live_state_in) != 0) -#define live_is_end(live) (((live)->state & live_state_end) != 0) -#define live_is_out(live) (((live)->state & live_state_out) != 0) - -static INLINE irn_live_t *_get_or_set_live(const ir_node *block, - const ir_node *irn, int state) -{ - irg_live_info_t *live_info = get_irg_live_info(get_irn_irg(block)); - irn_live_t *live, templ; - unsigned hash = HASH_PTR(block) + 37 * HASH_PTR(irn); - - templ.block = block; - templ.irn = irn; - templ.state = -1; - templ.next = NULL; - - live = set_insert(live_info->live, &templ, sizeof(templ), hash); - if(live->state == -1) { - - if(!is_Block(irn)) { - irn_live_t *bl_live = _get_or_set_live(block, block, live_state_block); - live->next = bl_live->next; - bl_live->next = live; - } - - live->state = state; - } - - live->state |= state; - - return live; -} - -static INLINE int _is_live_in(const ir_node *block, const ir_node *irn) -{ - return (_get_or_set_live(block, irn, 0)->state & live_state_in) != 0; -} +#include "belive.h" -static INLINE int _is_live_out(const ir_node *block, const ir_node *irn) +struct _be_lv_t { + phase_t ph; + ir_graph *irg; + bitset_t *nodes; + hook_entry_t hook_info; +}; + +struct _be_lv_info_node_t { + unsigned idx; + unsigned flags; +}; + +struct _be_lv_info_head_t { + unsigned n_members; + unsigned n_size; +}; + +struct _be_lv_info_t { + union { + struct _be_lv_info_head_t head; + struct _be_lv_info_node_t node; + } u; +}; + +static INLINE int _be_lv_next_irn(const struct _be_lv_t *lv, const ir_node *bl, unsigned flags, int i) { - return (_get_or_set_live(block, irn, 0)->state & live_state_out) != 0; + struct _be_lv_info_t *arr = phase_get_irn_data(&lv->ph, bl); + if(arr) { + int n_members = (int) arr[0].u.head.n_members; + + while(i < n_members) { + if(arr[i + 1].u.node.flags & flags) { + return i; + } + ++i; + } + } + + return -1; } -static INLINE int _is_live_end(const ir_node *block, const ir_node *irn) +static INLINE ir_node * _be_lv_get_irn(const struct _be_lv_t *lv, const ir_node *bl, int i) { - return (_get_or_set_live(block, irn, 0)->state & live_state_end) != 0; + struct _be_lv_info_t *arr = phase_get_irn_data(&lv->ph, bl); + return get_idx_irn(lv->irg, arr[i + 1].u.node.idx); } -#define live_foreach(block, live_info) \ - for(live_info = _get_or_set_live(block, block, 0)->next; live_info; live_info = live_info->next) - -static INLINE void _put_live(const ir_node *block, int state, pset *s) -{ - irn_live_t *live; - - live_foreach(block, live) { - if(live->state & state) - pset_insert_ptr(s, live->irn); - } -} +struct _be_lv_info_node_t *be_lv_get(const struct _be_lv_t *li, const ir_node *bl, const ir_node *irn); -static INLINE pset *_put_live_in(const ir_node *block, pset *s) +static INLINE int _be_is_live_xxx(const struct _be_lv_t *li, const ir_node *block, const ir_node *irn, unsigned flags) { - _put_live(block, live_state_in, s); - return s; + struct _be_lv_info_node_t *info = be_lv_get(li, block, irn); + return info ? (info->flags & flags) != 0 : 0; } -static INLINE pset *_put_live_out(const ir_node *block, pset *s) -{ - _put_live(block, live_state_out, s); - return s; -} +#define be_lv_foreach(lv, bl, flags, i) \ + for(i = _be_lv_next_irn(lv, bl, flags, 0); i >= 0; i = _be_lv_next_irn(lv, bl, flags, i + 1)) -static INLINE pset *_put_live_end(const ir_node *block, pset *s) -{ - _put_live(block, live_state_end, s); - return s; -} -static INLINE int _is_phi_arg(const ir_node *irn) +static INLINE pset *_be_lv_pset_put(const struct _be_lv_t *lv, const ir_node *block, int state, pset *s) { - const ir_edge_t *edge; - - assert(edges_activated(get_irn_irg(irn)) && "Please compute the out edges"); - foreach_out_edge(irn, edge) - if(is_Phi(edge->src)) - return 1; - - return 0; + int i; + be_lv_foreach(lv, block, state, i) + pset_insert_ptr(s, _be_lv_get_irn(lv, block, i)); + return s; } +#define be_lv_get_irn(lv, bl, i) _be_lv_get_irn(lv, bl, i) +#define be_lv_pset_put_in(lv, bl, s) _be_lv_pset_put(lv, bl, be_lv_state_in, s) +#define be_lv_pset_put_out(lv, bl, s) _be_lv_pset_put(lv, bl, be_lv_state_out, s) +#define be_lv_pset_put_end(lv, bl, s) _be_lv_pset_put(lv, bl, be_lv_state_end, s) -#define is_live_in(bl,irn) _is_live_in(bl, irn) -#define is_live_out(bl,irn) _is_live_out(bl, irn) -#define is_live_end(bl,irn) _is_live_end(bl, irn) -#define put_live_in(bl,s) _put_live_in(bl, s) -#define put_live_out(bl,s) _put_live_out(bl, s) -#define put_live_end(bl,s) _put_live_end(bl, s) -#define is_phi_arg(irn) _is_phi_arg(irn) +#define be_is_live_in(lv, bl, irn) _be_is_live_xxx(lv, bl, irn, be_lv_state_in) +#define be_is_live_end(lv, bl, irn) _be_is_live_xxx(lv, bl, irn, be_lv_state_end) +#define be_is_live_out(lv, bl, irn) _be_is_live_xxx(lv, bl, irn, be_lv_state_out) -/** - * Initialize the liveness module. - * To be called from be_init(). - */ -void be_liveness_init(void); +#define be_lv_has_info_about(lv, irn) bitset_is_set((lv)->nodes, get_irn_idx(irn)) #endif