-}
-
-typedef struct _appel_clique_walker_t {
- phase_t ph;
- const copy_opt_t *co;
- int curr_nr;
- int node_count;
- FILE *f;
- int dumb;
- int *color_map;
- struct obstack obst;
-} appel_clique_walker_t;
-
-typedef struct _appel_block_info_t {
- int *live_end_nr;
- int *live_in_nr;
- int *phi_nr;
- ir_node **live_end;
- ir_node **live_in;
- ir_node **phi;
- int n_live_end;
- int n_live_in;
- int n_phi;
-} appel_block_info_t;
-
-static int appel_aff_weight(const appel_clique_walker_t *env, ir_node *bl)
-{
-#if 0
- double freq = get_block_execfreq(env->co->cenv->execfreq, bl);
- int res = (int) freq;
- return res == 0 ? 1 : res;
-#else
- ir_loop *loop = get_irn_loop(bl);
- if(loop) {
- int d = get_loop_depth(loop);
- return 1 + d * d;
- }
- return 1;
-#endif
-}
-
-static void *appel_clique_walker_irn_init(phase_t *phase, ir_node *irn, void *old)
-{
- appel_block_info_t *res = NULL;
-
- if(is_Block(irn)) {
- appel_clique_walker_t *d = (void *) phase;
- res = phase_alloc(phase, sizeof(res[0]));
- res->phi_nr = phase_alloc(phase, d->co->cls->n_regs * sizeof(res->live_end_nr));
- res->live_end_nr = phase_alloc(phase, d->co->cls->n_regs * sizeof(res->live_end_nr));
- res->live_in_nr = phase_alloc(phase, d->co->cls->n_regs * sizeof(res->live_in_nr));
- res->live_end = phase_alloc(phase, d->co->cls->n_regs * sizeof(res->live_end));
- res->live_in = phase_alloc(phase, d->co->cls->n_regs * sizeof(res->live_in));
- res->phi = phase_alloc(phase, d->co->cls->n_regs * sizeof(res->live_in));
- }
-
- return res;
-}
-
-typedef struct _insn_list_t {
- be_insn_t *insn;
- struct list_head list;
-} insn_list_t;
-
-static int appel_get_live_end_nr(appel_clique_walker_t *env, ir_node *bl, ir_node *irn)
-{
- appel_block_info_t *bli = phase_get_irn_data(&env->ph, bl);
- int i;
-
- for(i = 0; i < bli->n_live_end; ++i)
- if(bli->live_end[i] == irn)
- return bli->live_end_nr[i];
-
- return -1;
-}
-
-static int appel_dump_clique(appel_clique_walker_t *env, pset *live, ir_node *bl, int curr_nr, int start_nr)
-{
- ir_node **live_arr = alloca(env->co->cls->n_regs * sizeof(live_arr[0]));
- ir_node *irn;
- int n_live;
- int j;
-
- n_live = 0;
- foreach_pset(live, irn)
- live_arr[n_live++] = irn;
-
- /* dump the live after clique */
- if(!env->dumb) {
- for(j = 0; j < n_live; ++j) {
- int k;
-
- for(k = j + 1; k < n_live; ++k) {
- fprintf(env->f, "%d %d -1 ", curr_nr + j, curr_nr + k);
- }
- fprintf(env->f, "\n");
- }
- }
-
- /* dump the affinities */
- for(j = 0; !env->dumb && j < n_live; ++j) {
- ir_node *irn = live_arr[j];
- int old_nr = PTR_TO_INT(get_irn_link(irn));
-
- /* if the node was already live in the last insn dump the affinity */
- if(old_nr > start_nr) {
- int weight = appel_aff_weight(env, bl);
- fprintf(env->f, "%d %d %d\n", old_nr, curr_nr + j, weight);
- }
- }
-
- /* set the current numbers into the link field. */
- for(j = 0; j < n_live; ++j) {
- ir_node *irn = live_arr[j];
- set_irn_link(irn, INT_TO_PTR(curr_nr + j));
- }
-
- return curr_nr + n_live;
-}
-
-static void appel_walker(ir_node *bl, void *data)
-{
- appel_clique_walker_t *env = data;
- appel_block_info_t *bli = phase_get_or_set_irn_data(&env->ph, bl);
- struct obstack *obst = &env->obst;
- void *base = obstack_base(obst);
- pset *live = pset_new_ptr_default();
-
- int n_insns = 0;
- int n_nodes = 0;
- int start_nr = env->curr_nr;
- int curr_nr = start_nr;
-
- be_insn_env_t insn_env;
- int i, j;
- ir_node *irn;
- be_insn_t **insns;
-
- insn_env.aenv = env->co->aenv;
- insn_env.cls = env->co->cls;
- insn_env.obst = obst;
- insn_env.ignore_colors = env->co->cenv->ignore_colors;
-
- /* Guess how many insns will be in this block. */
- sched_foreach(bl, irn)
- n_nodes++;
-
- bli->n_phi = 0;
- insns = malloc(n_nodes * sizeof(insns[0]));
-
- /* Put all insns in an array. */
- irn = sched_first(bl);
- while(!sched_is_end(irn)) {
- be_insn_t *insn;
- insn = be_scan_insn(&insn_env, irn);
- insns[n_insns++] = insn;
- irn = insn->next_insn;
- }
-
- DBG((env->co->cenv->dbg, LEVEL_2, "%+F\n", bl));
- be_liveness_end_of_block(env->co->cenv->lv, env->co->aenv, env->co->cls, bl, live);
-
- /* Generate the bad and ugly. */
- for(i = n_insns - 1; i >= 0; --i) {
- be_insn_t *insn = insns[i];
-
- /* The first live set has to be saved in the block border set. */
- if(i == n_insns - 1) {
- j = 0;
- foreach_pset(live, irn) {
- bli->live_end[j] = irn;
- bli->live_end_nr[j] = curr_nr + j;
- ++j;
- }
- bli->n_live_end = j;
- }
-
- if(!env->dumb) {
- for(j = 0; j < insn->use_start; ++j) {
- ir_node *op = insn->ops[j].carrier;
- bitset_t *adm = insn->ops[j].regs;
- int k;
- int nr;
-
- if(!insn->ops[j].has_constraints)
- continue;
-
- nr = 0;
- foreach_pset(live, irn) {
- if(irn == op) {
- pset_break(live);
- break;
- }
- ++nr;
- }
-
- assert(nr < pset_count(live));
-
- for(k = 0; k < env->co->cls->n_regs; ++k) {
- int mapped_col = env->color_map[k];
- if(mapped_col >= 0 && !bitset_is_set(adm, k) && !bitset_is_set(env->co->cenv->ignore_colors, k))
- fprintf(env->f, "%d %d -1\n", curr_nr + nr, mapped_col);
- }
- }
- }
-
- /* dump the clique and update the stuff. */
- curr_nr = appel_dump_clique(env, live, bl, curr_nr, start_nr);
-
- /* remove all defs. */
- for(j = 0; j < insn->use_start; ++j)
- pset_remove_ptr(live, insn->ops[j].carrier);
-
- if(is_Phi(insn->irn) && arch_irn_consider_in_reg_alloc(env->co->aenv, env->co->cls, insn->irn)) {
- bli->phi[bli->n_phi] = insn->irn;
- bli->phi_nr[bli->n_phi] = PTR_TO_INT(get_irn_link(insn->irn));
- bli->n_phi++;
- }
-
- /* add all uses */
- else
- for(j = insn->use_start; j < insn->n_ops; ++j)
- pset_insert_ptr(live, insn->ops[j].carrier);
- }
-
- /* print the start clique. */
- curr_nr = appel_dump_clique(env, live, bl, curr_nr, start_nr);
-
- i = 0;
- foreach_pset(live, irn) {
- bli->live_in[i] = irn;
- bli->live_in_nr[i] = PTR_TO_INT(get_irn_link(irn));
- ++i;
- }
- bli->n_live_in = i;
-
- del_pset(live);
- free(insns);
- obstack_free(obst, base);
- env->curr_nr = curr_nr;
-}
-
-static void appel_inter_block_aff(ir_node *bl, void *data)
-{
- appel_clique_walker_t *env = data;
- appel_block_info_t *bli = phase_get_irn_data(&env->ph, bl);
-
- int i, j, n;
-
- for(i = 0; i < bli->n_live_in; ++i) {
- ir_node *irn = bli->live_in[i];
-
- for(j = 0, n = get_Block_n_cfgpreds(bl); j < n; ++j) {
- ir_node *pred = get_Block_cfgpred_block(bl, j);
-
- int nr = appel_get_live_end_nr(env, pred, irn);
- assert(nr >= 0);
- fprintf(env->f, "%d %d 1\n", bli->live_in_nr[i], nr);
- }
- }
-
- for(i = 0; i < bli->n_phi; ++i) {
- ir_node *irn = bli->phi[i];
-
- for(j = 0, n = get_Block_n_cfgpreds(bl); j < n; ++j) {
- ir_node *pred = get_Block_cfgpred_block(bl, j);
- ir_node *op = get_irn_n(irn, j);
-
- int nr = appel_get_live_end_nr(env, pred, op);
- assert(nr >= 0);
- fprintf(env->f, "%d %d 1\n", bli->phi_nr[i], nr);
- }
- }