#define LPP_SOLVER "cplex"
#undef DUMP_MPS
-#define DEBUG_LVL SET_LEVEL_1
static firm_dbg_module_t *dbg = NULL;
+#define MAX(a,b) ((a<b)?(b):(a))
#define EPSILON 0.00001
#define SLOTS_LIVING 32
#define is_removed(irn) pset_find_ptr(pi->removed, irn)
-#define is_color_possible(irn,color) arch_reg_is_allocatable(pi->co->chordal_env->arch_env, irn, arch_pos_make_out(0), arch_register_for_index(pi->co->chordal_env->cls, color))
+#define is_color_possible(irn,color) arch_reg_is_allocatable(get_arch_env(pi->co), irn, arch_pos_make_out(0), arch_register_for_index(pi->co->chordal_env->cls, color))
/*
* Some stuff for variable name handling.
while (redo) {
redo = 0;
for (ifn = set_first(if_nodes); ifn; ifn = set_next(if_nodes)) {
- ir_node *irn = get_irn_for_graph_nr(pi->co->chordal_env->irg, ifn->nnr);
- if (!is_removed(irn) && !is_optimizable(pi->co->chordal_env->arch_env, irn) &&
+ ir_node *irn = get_irn_for_graph_nr(get_irg(pi->co), ifn->nnr);
+ if (!is_removed(irn) && !is_optimizable(get_arch_env(pi->co), irn) &&
!is_optimizable_arg(pi->co, irn) && pi_is_simplicial(pi, ifn)) {
simpl_t *s = xmalloc(sizeof(*s));
s->ifn = ifn;
// iterate over all possible colors in order
bitset_clear_all(pos_regs);
- arch_get_allocatable_regs(pi->co->chordal_env->arch_env, curr->irn, arch_pos_make_out(0), pi->co->chordal_env->cls, pos_regs);
+ arch_get_allocatable_regs(get_arch_env(pi->co), curr->irn, arch_pos_make_out(0), pi->co->chordal_env->cls, pos_regs);
bitset_foreach(pos_regs, col) {
int var_idx;
mangle_var(pi->buf, 'x', nnr, col);
root = curr->nodes[0];
rootnr = get_irn_graph_nr(root);
bitset_clear_all(root_regs);
- arch_get_allocatable_regs(pi->co->chordal_env->arch_env, root, arch_pos_make_out(0), pi->co->chordal_env->cls, root_regs);
+ arch_get_allocatable_regs(get_arch_env(pi->co), root, arch_pos_make_out(0), pi->co->chordal_env->cls, root_regs);
/* for all arguments of root */
for (i = 1; i < curr->node_count; ++i) {
arg = curr->nodes[i];
argnr = get_irn_graph_nr(arg);
bitset_clear_all(arg_regs);
- arch_get_allocatable_regs(pi->co->chordal_env->arch_env, arg, arch_pos_make_out(0), pi->co->chordal_env->cls, arg_regs);
+ arch_get_allocatable_regs(get_arch_env(pi->co), arg, arch_pos_make_out(0), pi->co->chordal_env->cls, arg_regs);
/* Introduce new variable and set factor in objective function */
mangle_var(buf, 'y', rootnr, argnr);
static void pi_add_constr_S(problem_instance_t *pi) {
unit_t *curr;
int cst_counter = 0;
- DBG((dbg, LEVEL_2, "Add M constraints...\n"));
+ DBG((dbg, LEVEL_2, "Add S constraints...\n"));
/* for all optimization units */
list_for_each_entry(unit_t, curr, &pi->co->units, units) {
int cst_idx, y_idx, i;
char buf[32];
- if (curr->minimal_costs == 0)
+ if (curr->min_nodes_costs == 0)
continue;
root = curr->nodes[0];
rootnr = get_irn_graph_nr(root);
- mangle_cst(buf, 'M', cst_counter++);
- cst_idx = lpp_add_cst(pi->curr_lp, buf, lpp_greater, curr->minimal_costs);
+ mangle_cst(buf, 'S', cst_counter++);
+ cst_idx = lpp_add_cst(pi->curr_lp, buf, lpp_greater, curr->min_nodes_costs);
/* for all arguments */
for (i = 1; i < curr->node_count; ++i) {
}
}
+static INLINE int get_costs(problem_instance_t *pi, ir_node *phi, ir_node *irn) {
+ int i;
+ unit_t *curr;
+ /* search optimization unit for phi */
+ list_for_each_entry(unit_t, curr, &pi->co->units, units)
+ if (curr->nodes[0] == phi) {
+ for (i=1; i<curr->node_count; ++i)
+ if (curr->nodes[i] == irn)
+ return curr->costs[i];
+ assert(0 && "irn must occur in this ou");
+ }
+ assert(0 && "phi must be found in a ou");
+ return 0;
+}
+
+/*
+ * TODO: Because this here uses a phi-walker and not the ou's,
+ * it is possible, that the interfering args of a phi will cause a bug ??!!
+ */
static void M_constr_walker(ir_node *block, void *env) {
problem_instance_t *pi = env;
- int pos, count, arity, row, col, other_row;
+ int count, arity, row, col, other_row, *costs;
ir_node **phis, *phi, *irn, **phi_matrix;
pset *done;
bitset_t *candidates;
- //TODO
- return;
-
/* Count all phi nodes of this block */
for (count=0, irn = sched_first(block); is_Phi(irn); irn = sched_next(irn))
count++;
/* Build the \Phi-Matrix */
arity = get_irn_arity(sched_first(block));
phis = alloca(count * sizeof(*phis));
+ costs = alloca(count * sizeof(costs));
phi_matrix = alloca(count*arity * sizeof(*phi_matrix));
candidates = bitset_alloca(count);
if (bitset_popcnt(candidates) < 2)
continue;
- /* generate an unequation finally */
- //TODO
-
+ /* compute the minimal costs (rhs) */
+ int phi_nr, sum=0, max=-1, minimal_costs;
+ bitset_foreach(candidates, phi_nr) {
+ costs[phi_nr] = get_costs(pi, phis[phi_nr], irn);
+ sum += costs[phi_nr];
+ max = MAX(max, costs[phi_nr]);
+ }
+ minimal_costs = sum - max;
+
+ /* generate an unequation finally.
+ * phis are indexed in the bitset,
+ * shared argument is irn
+ * rhs is minimal_costs */
+ {
+ char buf[32];
+ ir_node *root;
+ int pos, irnnr, rootnr, cst_idx, y_idx, cst_counter = 0;
+
+ irnnr = get_irn_graph_nr(irn);
+ mangle_cst(buf, 'M', cst_counter++);
+ cst_idx = lpp_add_cst(pi->curr_lp, buf, lpp_greater, minimal_costs);
+
+ /* for all phis */
+ bitset_foreach(candidates, pos) {
+ root = phis[pos];
+ rootnr = get_irn_graph_nr(root);
+ mangle_var(buf, 'y', rootnr, irnnr);
+ y_idx = lpp_get_var_idx(pi->curr_lp, buf);
+ lpp_set_factor_fast(pi->curr_lp, cst_idx, y_idx, costs[pos]);
+ }
+ }
}
del_pset(done); /* clear set for next row */
- }
-
+ } /*next col*/
}
/**
* Only one of the phis can get the arg.
*/
static void pi_add_constr_M(problem_instance_t *pi) {
- dom_tree_walk_irg(pi->co->chordal_env->irg, M_constr_walker, NULL, pi);
+ dom_tree_walk_irg(get_irg(pi->co), M_constr_walker, NULL, pi);
}
/**
lpp_get_var_name(pi->curr_lp, i, var_name, sizeof(var_name));
/* split into components */
if (split_var(var_name, &nnr, &col) == 2) {
- assert(get_irn_col(pi->co, get_irn_for_graph_nr(pi->co->chordal_env->irg, nnr)) != -1);
- val = (get_irn_col(pi->co, get_irn_for_graph_nr(pi->co->chordal_env->irg, nnr)) == col) ? 1 : 0;
+ assert(get_irn_col(pi->co, get_irn_for_graph_nr(get_irg(pi->co), nnr)) != -1);
+ val = (get_irn_col(pi->co, get_irn_for_graph_nr(get_irg(pi->co), nnr)) == col) ? 1 : 0;
lpp_set_start_value(pi->curr_lp, i, val);
} else {
fprintf(stderr, "Variable name is: %s\n", var_name);
/* get free color by inspecting all neighbors */
ifn = simpl->ifn;
- irn = get_irn_for_graph_nr(pi->co->chordal_env->irg, ifn->nnr);
+ irn = get_irn_for_graph_nr(get_irg(pi->co), ifn->nnr);
bitset_clear_all(used_cols);
foreach_neighb(ifn, other) {
- other_irn = get_irn_for_graph_nr(pi->co->chordal_env->irg, other->nnr);
+ other_irn = get_irn_for_graph_nr(get_irg(pi->co), other->nnr);
if (!is_removed(other_irn)) /* only inspect nodes which are in graph right now */
bitset_set(used_cols, get_irn_col(pi->co, other_irn));
}
if (sol[i] > 1-EPSILON) { /* split varibale name into components */
lpp_get_var_name(pi->curr_lp, 1+i, var_name, sizeof(var_name));
if (split_var(var_name, &nnr, &col) == 2) {
- DBG((dbg, LEVEL_2, "Irn %n Idx %d Var %s Val %f\n", get_irn_for_graph_nr(pi->co->chordal_env->irg, nnr), i, var_name, sol[i]));
+ DBG((dbg, LEVEL_2, "Irn %n Idx %d Var %s Val %f\n", get_irn_for_graph_nr(get_irg(pi->co), nnr), i, var_name, sol[i]));
DBG((dbg, LEVEL_2, "x%d = %d\n", nnr, col));
- set_irn_col(pi->co, get_irn_for_graph_nr(pi->co->chordal_env->irg, nnr), col);
+ set_irn_col(pi->co, get_irn_for_graph_nr(get_irg(pi->co), nnr), col);
} else
assert(0 && "This should be a x-var");
}
dbg = firm_dbg_register("ir.be.copyoptilp");
if (!strcmp(co->name, DEBUG_IRG))
- firm_dbg_set_mask(dbg, DEBUG_LVL_ILP);
+ firm_dbg_set_mask(dbg, DEBUG_IRG_LVL_ILP);
else
- firm_dbg_set_mask(dbg, DEBUG_LVL);
+ firm_dbg_set_mask(dbg, DEBUG_LVL_ILP);
pi = new_pi(co);
if (!pi->all_simplicial) {
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