Fixed several bugs

[libfirm] / ir / be / beraextern.c

diff --git a/ir/be/beraextern.c b/ir/be/beraextern.c
index 90cb9c2..ac38070 100644 (file)
--- a/ir/be/beraextern.c
+++ b/ir/be/beraextern.c
@@ -852,6 +852,33 @@ static int read_and_apply_results(be_raext_env_t *raenv, char *filename) {
        return is_allocation;
 }
 
+static void check_allocation(be_raext_env_t *raenv) {
+       int i, o;
+
+       for (i=0; i<raenv->n_cls_vars; ++i) {
+               var_info_t *vi1 = raenv->cls_vars[i];
+
+               if (vi1->var_nr == SET_REMOVED)
+                       continue;
+
+               for (o=0; o<i; ++o) {
+                       var_info_t *vi2 = raenv->cls_vars[o];
+                       ir_node *irn1, *irn2;
+
+                       if (vi2->var_nr == SET_REMOVED)
+                               continue;
+
+                       pset_foreach(vi1->values, irn1)
+                               pset_foreach(vi2->values, irn2)
+                                       if (values_interfere(irn1, irn2)) {
+                                               dump_ir_block_graph_sched(raenv->irg, "ERROR");
+                                               ir_fprintf(stdout, "SSA values %+F and %+F interfere. They belong to varible %d and %d respectively.\n", irn1, irn2, vi1->var_nr, vi2->var_nr);
+                                               assert(0 && "ERROR graph dumped");
+                                       }
+               }
+       }
+}
+
 /******************************************************************************
     __  __       _
    |  \/  |     (_)
@@ -934,6 +961,8 @@ static void be_ra_extern_main(const be_irg_t *bi) {
                        round++;
                } while (!done);
 
+               check_allocation(&raenv);
+
                free(raenv.cls_vars);
        }