3 * File name: ir/ir/irphase.c
4 * Purpose: Phase information handling using node indexes.
5 * Author: Sebastian Hack
9 * Copyright: (c) 1998-2006 Universitaet Karlsruhe
10 * Licence: This file protected by GPL - GNU GENERAL PUBLIC LICENSE.
19 #include "irphase_t.h"
21 phase_t *phase_init(phase_t *ph, const char *name, ir_graph *irg, size_t data_size, unsigned growth_factor, phase_irn_data_init_t *data_init)
23 assert(growth_factor >= 1.0 && "growth factor must greater or equal to 1.0");
25 obstack_init(&ph->obst);
28 ph->growth_factor = growth_factor;
29 ph->data_init = data_init;
30 ph->data_size = data_size;
38 void phase_free(phase_t *phase)
40 obstack_free(&phase->obst, NULL);
42 xfree(phase->data_ptr);
45 phase_stat_t *phase_stat(const phase_t *phase, phase_stat_t *stat)
48 memset(stat, 0, sizeof(stat[0]));
50 stat->node_map_bytes = phase->n_data_ptr * sizeof(phase->data_ptr[0]);
51 stat->node_slots = phase->n_data_ptr;
52 for(i = 0, n = phase->n_data_ptr; i < n; ++i) {
53 if(phase->data_ptr[i] != NULL) {
54 stat->node_slots_used++;
55 stat->node_data_bytes += phase->data_size;
58 stat->overall_bytes = stat->node_map_bytes + obstack_memory_used(&((phase_t *)phase)->obst);
62 void phase_reinit_irn_data(phase_t *phase)
69 for(i = 0, n = phase->n_data_ptr; i < n; ++i) {
70 if(phase->data_ptr[i])
71 phase->data_init(phase, NULL, phase->data_ptr[i]);