Keep flag added
[libfirm] / ir / be / bechordal_main.c
index 73a3e6b..1d514fd 100644 (file)
 #include "besched_t.h"
 #include "belive_t.h"
 #include "bearch.h"
-#include "beifg.h"
+#include "beifg_t.h"
 #include "beifg_impl.h"
 
 #include "bespillbelady.h"
 #include "bespillilp.h"
-
+#include "beconstrperm.h"
 #include "belower.h"
 
-#define DO_SSADESTR
-
-#ifdef DO_SSADESTR
+#include "becopyoptmain.h"
 #include "bessadestr.h"
 #include "becopystat.h"
-#include "becopyoptmain.h"
-#endif /* DO_SSADESTR */
 
 
 void be_ra_chordal_check(be_chordal_env_t *chordal_env) {
@@ -83,8 +79,8 @@ void be_ra_chordal_check(be_chordal_env_t *chordal_env) {
 
                n1_reg = arch_get_irn_register(arch_env, n1);
                if (!arch_reg_is_allocatable(arch_env, n1, -1, n1_reg)) {
-                       DBG((dbg, 0, "Register assigned to %+F is not allowed\n", n1));
-//                     assert(0 && "Register constraint does not hold");
+                       DBG((dbg, 0, "Register %s assigned to %+F is not allowed\n", n1_reg->name, n1));
+                       assert(0 && "Register constraint does not hold");
                }
                for (o = i+1, n2 = nodes[o]; n2; n2 = nodes[++o]) {
                        n2_reg = arch_get_irn_register(arch_env, n2);
@@ -159,7 +155,7 @@ int nodes_interfere(const be_chordal_env_t *env, const ir_node *a, const ir_node
 
 
 static be_ra_chordal_opts_t options = {
-       BE_CH_DUMP_NONE,
+       BE_CH_DUMP_ALL,
        BE_CH_SPILL_BELADY,
        BE_CH_COPYMIN_HEUR,
        BE_CH_IFG_STD,
@@ -209,17 +205,25 @@ static lc_opt_enum_int_var_t lower_perm_var = {
 
 static void be_ra_chordal_register_options(lc_opt_entry_t *grp)
 {
-       lc_opt_entry_t *dump;
        grp = lc_opt_get_grp(grp, "chordal");
-
 }
 #endif
 
-static void dump(int mask, ir_graph *irg, const char *suffix,
-                                void (*dump)(ir_graph *, const char *))
+static void dump(unsigned mask, ir_graph *irg,
+                                const arch_register_class_t *cls,
+                                const char *suffix,
+                                void (*dump_func)(ir_graph *, const char *))
 {
-       if((options.dump_flags & mask) == mask)
-               dump(irg, suffix);
+       if(1 || (options.dump_flags & mask) == mask) {
+               if(cls) {
+                       char buf[256];
+                       snprintf(buf, sizeof(buf), "-%s%s", cls->name, suffix);
+                       dump_func(irg, buf);
+               }
+
+               else
+                       dump_func(irg, suffix);
+       }
 }
 
 static void be_ra_chordal_main(const be_main_env_t *main_env, ir_graph *irg)
@@ -239,10 +243,12 @@ static void be_ra_chordal_main(const be_main_env_t *main_env, ir_graph *irg)
 
        /* Perform the following for each register class. */
        for(j = 0, m = arch_isa_get_n_reg_class(isa); j < m; ++j) {
+               chordal_env.cls          = arch_isa_get_reg_class(isa, j);
                chordal_env.border_heads = pmap_create();
-               chordal_env.cls = arch_isa_get_reg_class(isa, j);
+               chordal_env.constr_irn   = pset_new_ptr(32);
 
                be_liveness(irg);
+               dump(BE_CH_DUMP_LIVE, irg, chordal_env.cls, "-live", dump_ir_block_graph_sched);
 
                /* spilling */
                switch(options.spill_method) {
@@ -256,43 +262,53 @@ static void be_ra_chordal_main(const be_main_env_t *main_env, ir_graph *irg)
                        fprintf(stderr, "no valid spiller selected. falling back to belady\n");
                        be_spill_belady(&chordal_env);
                }
+               dump(BE_CH_DUMP_SPILL, irg, chordal_env.cls, "-spill", dump_ir_block_graph_sched);
+               be_liveness(irg);
+               be_check_pressure(&chordal_env);
 
-               dump(BE_CH_DUMP_SPILL, irg, "-spill", dump_ir_block_graph_sched);
+#if 0
+               /* Insert perms before reg-constrained instructions */
+               be_insert_constr_perms(&chordal_env);
+               dump(BE_CH_DUMP_CONSTR, irg, chordal_env.cls, "-constr", dump_ir_block_graph_sched);
+#endif
 
                be_liveness(irg);
-               be_numbering(irg);
                be_check_pressure(&chordal_env);
 
                /* Color the graph. */
                be_ra_chordal_color(&chordal_env);
+               dump(BE_CH_DUMP_CONSTR, irg, chordal_env.cls, "-color", dump_ir_block_graph_sched);
 
                /* Build the interference graph. */
                chordal_env.ifg = be_ifg_std_new(&chordal_env);
+               be_ifg_check(chordal_env.ifg);
 
-#ifdef DO_SSADESTR
                /* copy minimization */
                copystat_collect_cls(&chordal_env);
                be_copy_opt(&chordal_env);
-               dump(BE_CH_DUMP_COPYMIN, irg, "-copymin", dump_ir_block_graph_sched);
+               dump(BE_CH_DUMP_COPYMIN, irg, chordal_env.cls, "-copymin", dump_ir_block_graph_sched);
+               be_ra_chordal_check(&chordal_env);
 
                /* ssa destruction */
                be_ssa_destruction(&chordal_env);
+               dump(BE_CH_DUMP_SSADESTR, irg, chordal_env.cls, "-ssadestr", dump_ir_block_graph_sched);
                be_ssa_destruction_check(&chordal_env);
                be_ra_chordal_check(&chordal_env);
-               dump(BE_CH_DUMP_SSADESTR, irg, "-ssadestr", dump_ir_block_graph_sched);
 
                copystat_dump(irg);
-#endif /* DO_SSADESTR */
 
                be_ifg_free(chordal_env.ifg);
-               be_numbering_done(irg);
 
                pmap_destroy(chordal_env.border_heads);
+               del_pset(chordal_env.constr_irn);
        }
 
-#ifdef DO_SSADESTR
-       lower_perms(&chordal_env, options.lower_perm_method == BE_CH_LOWER_PERM_COPY ? 1 : 0);
-#endif /* DO_SSADESTR */
+       be_compute_spill_offsets(&chordal_env);
+
+       dump(BE_CH_DUMP_LOWER, irg, NULL, "-spilloff", dump_ir_block_graph_sched);
+
+       lower_nodes_after_ra(&chordal_env, options.lower_perm_method == BE_CH_LOWER_PERM_COPY ? 1 : 0);
+       dump(BE_CH_DUMP_LOWER, irg, NULL, "-belower-after-ra", dump_ir_block_graph_sched);
 
        be_free_dominance_frontiers(chordal_env.dom_front);
        obstack_free(&chordal_env.obst, NULL);