2 * Internal headers for liveness analysis.
3 * @author Sebastian Hack
10 #include "irgraph_t.h"
11 #include "iredges_t.h"
12 #include "irphase_t.h"
27 hook_entry_t hook_info;
28 DEBUG_ONLY(firm_dbg_module_t *dbg;)
31 struct _be_lv_info_node_t {
36 struct _be_lv_info_head_t {
41 struct _be_lv_info_t {
43 struct _be_lv_info_head_t head;
44 struct _be_lv_info_node_t node;
48 static INLINE int _be_lv_next_irn(const struct _be_lv_t *lv, const ir_node *bl, unsigned flags, int i)
50 struct _be_lv_info_t *arr = phase_get_irn_data(&lv->ph, bl);
52 int n_members = (int) arr[0].u.head.n_members;
54 while(i < n_members) {
55 if(arr[i + 1].u.node.flags & flags) {
65 static INLINE ir_node * _be_lv_get_irn(const struct _be_lv_t *lv, const ir_node *bl, int i)
67 struct _be_lv_info_t *arr = phase_get_irn_data(&lv->ph, bl);
68 return get_idx_irn(lv->irg, arr[i + 1].u.node.idx);
71 struct _be_lv_info_node_t *be_lv_get(const struct _be_lv_t *li, const ir_node *bl, const ir_node *irn);
73 static INLINE int _be_is_live_xxx(const struct _be_lv_t *li, const ir_node *block, const ir_node *irn, unsigned flags)
75 struct _be_lv_info_node_t *info = be_lv_get(li, block, irn);
76 return info ? (info->flags & flags) != 0 : 0;
79 #define be_lv_foreach(lv, bl, flags, i) \
80 for(i = _be_lv_next_irn(lv, bl, flags, 0); i >= 0; i = _be_lv_next_irn(lv, bl, flags, i + 1))
83 static INLINE pset *_be_lv_pset_put(const struct _be_lv_t *lv, const ir_node *block, int state, pset *s)
86 be_lv_foreach(lv, block, state, i)
87 pset_insert_ptr(s, _be_lv_get_irn(lv, block, i));
91 #define be_lv_get_irn(lv, bl, i) _be_lv_get_irn(lv, bl, i)
92 #define be_lv_pset_put_in(lv, bl, s) _be_lv_pset_put(lv, bl, be_lv_state_in, s)
93 #define be_lv_pset_put_out(lv, bl, s) _be_lv_pset_put(lv, bl, be_lv_state_out, s)
94 #define be_lv_pset_put_end(lv, bl, s) _be_lv_pset_put(lv, bl, be_lv_state_end, s)
96 #define be_is_live_in(lv, bl, irn) _be_is_live_xxx(lv, bl, irn, be_lv_state_in)
97 #define be_is_live_end(lv, bl, irn) _be_is_live_xxx(lv, bl, irn, be_lv_state_end)
98 #define be_is_live_out(lv, bl, irn) _be_is_live_xxx(lv, bl, irn, be_lv_state_out)
100 #define be_lv_has_info_about(lv, irn) bitset_is_set((lv)->nodes, get_irn_idx(irn))