Bugfixes, Unknown-stuff, Heuristic for maximum independent set.

[libfirm] / ir / be / bearch_firm.c

diff --git a/ir/be/bearch_firm.c b/ir/be/bearch_firm.c
index 23d70e7..94bbe18 100644 (file)
--- a/ir/be/bearch_firm.c
+++ b/ir/be/bearch_firm.c
@@ -283,14 +283,18 @@ static ir_node *new_Imm(ir_graph *irg, ir_node *bl, ir_node *cnst)
        res = new_ir_node(NULL, irg, bl, op_imm, get_irn_mode(cnst), 0, ins);
        attr = (imm_attr_t *) &res->attr;
 
-       if(get_irn_opcode(cnst) == iro_SymConst) {
-               attr->tp = imm_SymConst;
-               //attr->data.ent = get_SymConst_entity(cnst);
-       }
-
-       else {
-               attr->tp = imm_Const;
-               attr->data.tv = get_Const_tarval(cnst);
+       switch (get_irn_opcode(cnst)) {
+               case iro_Const:
+                       attr->tp = imm_Const;
+                       attr->data.tv = get_Const_tarval(cnst);
+                       break;
+               case iro_SymConst:
+                       attr->tp = imm_SymConst;
+                       //attr->data.ent = get_SymConst_entity(cnst);
+                       break;
+               case iro_Unknown:
+                       break;
+               default:                assert(0 && "Cannot create Imm for this opcode");
        }
 
        return res;
@@ -356,6 +360,7 @@ static void localize_const_walker(ir_node *irn, void *data)
                        opcode opc     = get_irn_opcode(op);
 
                        if(opc == iro_Const
+                       || opc == iro_Unknown
                        || (opc == iro_SymConst /*&& get_SymConst_kind(op) == symconst_addr_ent*/)) {
                                ir_graph *irg   = get_irn_irg(bl);
                                ir_node *imm_bl = is_Phi(irn) ? get_Block_cfgpred_block(bl, i) : bl;