Keep flag added

[libfirm] / ir / be / bechordal_main.c

diff --git a/ir/be/bechordal_main.c b/ir/be/bechordal_main.c
index 328d760..1d514fd 100644 (file)
--- a/ir/be/bechordal_main.c
+++ b/ir/be/bechordal_main.c
@@ -39,7 +39,7 @@
 #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"
@@ -80,7 +80,7 @@ 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 %s assigned to %+F is not allowed\n", n1_reg->name, n1));
-//                     assert(0 && "Register constraint does not hold");
+                       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);
@@ -205,19 +205,16 @@ 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,
+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) {
+       if(1 || (options.dump_flags & mask) == mask) {
                if(cls) {
                        char buf[256];
                        snprintf(buf, sizeof(buf), "-%s%s", cls->name, suffix);
@@ -246,10 +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) {
@@ -267,16 +266,18 @@ 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. */
                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);
@@ -297,15 +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);
        }
 
-       dump(BE_CH_DUMP_SSADESTR, irg, NULL, "-ssadestr-complete", dump_ir_block_graph_sched);
+       be_compute_spill_offsets(&chordal_env);
+
+       dump(BE_CH_DUMP_LOWER, irg, NULL, "-spilloff", dump_ir_block_graph_sched);
 
-       lower_perms(&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);