Keep flag added

[libfirm] / ir / be / bechordal_main.c

diff --git a/ir/be/bechordal_main.c b/ir/be/bechordal_main.c
index 61c981a..1d514fd 100644 (file)
--- a/ir/be/bechordal_main.c
+++ b/ir/be/bechordal_main.c
@@ -235,7 +235,7 @@ static void be_ra_chordal_main(const be_main_env_t *main_env, ir_graph *irg)
        compute_doms(irg);
 
        chordal_env.irg          = irg;
-       chordal_env.dbg          = firm_dbg_register("be.chordal");
+       chordal_env.dbg          = firm_dbg_register("firm.be.chordal");
        chordal_env.main_env     = main_env;
        chordal_env.dom_front    = be_compute_dominance_frontiers(irg);
 
@@ -243,10 +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) {
@@ -264,12 +266,13 @@ static void be_ra_chordal_main(const be_main_env_t *main_env, ir_graph *irg)
                be_liveness(irg);
                be_check_pressure(&chordal_env);
 
+#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. */
@@ -295,17 +298,17 @@ static void be_ra_chordal_main(const be_main_env_t *main_env, ir_graph *irg)
                copystat_dump(irg);
 
                be_ifg_free(chordal_env.ifg);
-               be_numbering_done(irg);
 
                pmap_destroy(chordal_env.border_heads);
+               del_pset(chordal_env.constr_irn);
        }
 
        be_compute_spill_offsets(&chordal_env);
 
        dump(BE_CH_DUMP_LOWER, irg, NULL, "-spilloff", dump_ir_block_graph_sched);
 
-       lower_nodes(&chordal_env, options.lower_perm_method == BE_CH_LOWER_PERM_COPY ? 1 : 0);
-       dump(BE_CH_DUMP_LOWER, irg, NULL, "-belower", 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);