+/******************************************************************************
+ _____ _ _ _ _
+ / ____(_) | | | | (_)
+ | (___ _ _______ _ __ ___ __| |_ _ ___| |_ _ ___ _ __
+ \___ \| |_ / _ \ | '__/ _ \/ _` | | | |/ __| __| |/ _ \| '_ \
+ ____) | |/ / __/ | | | __/ (_| | |_| | (__| |_| | (_) | | | |
+ |_____/|_/___\___| |_| \___|\__,_|\__,_|\___|\__|_|\___/|_| |_|
+
+ *****************************************************************************/
+
+typedef struct _coloring_suffix_t coloring_suffix_t;
+
+struct _coloring_suffix_t {
+ coloring_suffix_t *next;
+ ir_node *irn;
+};
+
+typedef struct _size_red_t {
+ copy_opt_t *co;
+ pset *all_removed; /**< All nodes removed during problem size reduction */
+ coloring_suffix_t *col_suff; /**< Coloring suffix. Reverse would be a PEO prefix */
+ struct obstack ob;
+} size_red_t;
+
+/**
+ * Just prepare. Do nothing yet.
+ */
+size_red_t *new_size_red(copy_opt_t *co);
+
+/**
+ * Checks if a node has already been removed
+ */
+#define sr_is_removed(sr, irn) pset_find_ptr((sr)->all_removed, irn)
+
+/**
+ * Virtually remove all nodes not related to the problem
+ * (simplicial AND not adjacent to a equal-color-edge)
+ */
+void sr_remove(size_red_t *sr);
+
+/**
+ * Virtually reinsert the nodes removed before and color them
+ */
+void sr_reinsert(size_red_t *sr);
+
+/**
+ * Free all space...
+ */
+void free_size_red(size_red_t *sr);
+
+/**
+ * TODO: This search is necessary because during the construction of the
+ * units (ou's) args could be merged and weights are accumulated.
+ * Is this necessary?
+ */
+static INLINE int co_ilp_get_costs(copy_opt_t *co, ir_node *root, ir_node *arg) {
+ int i;
+ unit_t *curr;
+
+ /* search optimization unit for phi */
+ list_for_each_entry(unit_t, curr, &co->units, units)
+ if (curr->nodes[0] == root) {
+
+ for (i=1; i<curr->node_count; ++i)
+ if (curr->nodes[i] == arg)
+ return curr->costs[i];
+
+ assert(0 && "irn must occur in this ou");
+ }
+
+ assert(0 && "phi must be found in a ou");
+ return 0;
+}
+
+/******************************************************************************
+ _____ _ _____ _ _____
+ / ____| (_) |_ _| | | __ \
+ | | __ ___ _ __ ___ _ __ _ ___ | | | | | |__) |
+ | | |_ |/ _ \ '_ \ / _ \ '__| |/ __| | | | | | ___/
+ | |__| | __/ | | | __/ | | | (__ _| |_| |____| |
+ \_____|\___|_| |_|\___|_| |_|\___| |_____|______|_|
+
+ *****************************************************************************/
+
+#include <lpp/lpp.h>
+
+#define LPP_SOLVE_NET
+
+#ifdef LPP_SOLVE_NET
+# include <lpp/lpp_net.h>
+#else
+# include <lpp/lpp_cplex.h>
+#endif