X-Git-Url: http://nsz.repo.hu/git/?a=blobdiff_plain;f=ir%2Fir%2Firnode.c;h=502c6330157232183f6ab7708b7772da6f6e13ea;hb=53db8c6b991513550a39ed328d664746fe78f8af;hp=5a8a7b26f4d925e1a806eea7cd24d860b45c3f4e;hpb=d01eb713204e91d6deea2affb17189e1eaafd1b2;p=libfirm

diff --git a/ir/ir/irnode.c b/ir/ir/irnode.c
index 5a8a7b26f..502c63301 100644
--- a/ir/ir/irnode.c
+++ b/ir/ir/irnode.c
@@ -30,6 +30,7 @@
 #include "iredges_t.h"
 
 #include "irhooks.h"
+#include "irtools.h"
 
 /* some constants fixing the positions of nodes predecessors
    in the in array */
@@ -40,10 +41,10 @@
 #define END_KEEPALIVE_OFFSET  0
 
 static const char *pnc_name_arr [] = {
-  "False", "Eq", "Lt", "Le",
-  "Gt", "Ge", "Lg", "Leg", "Uo",
-  "Ue", "Ul", "Ule", "Ug", "Uge",
-  "Ne", "True"
+  "pn_Cmp_False", "pn_Cmp_Eq", "pn_Cmp_Lt", "pn_Cmp_Le",
+  "pn_Cmp_Gt", "pn_Cmp_Ge", "pn_Cmp_Lg", "pn_Cmp_Leg",
+  "pn_Cmp_Uo", "pn_Cmp_Ue", "pn_Cmp_Ul", "pn_Cmp_Ule",
+  "pn_Cmp_Ug", "pn_Cmp_Uge", "pn_Cmp_Ne", "pn_Cmp_True"
 };
 
 /**
@@ -158,16 +159,16 @@ new_ir_node (dbg_info *db, ir_graph *irg, ir_node *block, ir_op *op, ir_mode *mo
 
 #if FIRM_EDGES_INPLACE
   {
-    int i, n;
-    int not_a_block = is_no_Block(res);
+    int i;
+    int is_bl = is_Block(res);
 
     INIT_LIST_HEAD(&res->edge_info.outs_head);
-    if(!not_a_block)
+    if(is_bl)
       INIT_LIST_HEAD(&res->attr.block.succ_head);
 
 
-    for (i = 0, n = arity + not_a_block; i < n; ++i)
-      edges_notify_edge(res, i - not_a_block, res->in[i], NULL, irg);
+    for (i = is_bl; i <= arity; ++i)
+      edges_notify_edge(res, i - 1, res->in[i], NULL, irg);
   }
 #endif
 
@@ -225,6 +226,7 @@ void
 set_irn_in (ir_node *node, int arity, ir_node **in) {
   int i;
   ir_node *** arr;
+  ir_graph *irg = current_ir_graph;
   assert(node);
   if (get_interprocedural_view()) { /* handle Filter and Block specially */
     if (get_irn_opcode(node) == iro_Filter) {
@@ -241,20 +243,20 @@ set_irn_in (ir_node *node, int arity, ir_node **in) {
 
 	for (i = 0; i < arity; i++) {
 		if (i < ARR_LEN(*arr)-1)
-    	edges_notify_edge(node, i, in[i], (*arr)[i+1], current_ir_graph);
+    	edges_notify_edge(node, i, in[i], (*arr)[i+1], irg);
 		else
-	    edges_notify_edge(node, i, in[i], NULL,        current_ir_graph);
+	    edges_notify_edge(node, i, in[i], NULL,        irg);
   }
 	for(;i < ARR_LEN(*arr)-1; i++) {
-		edges_notify_edge(node, i, NULL, (*arr)[i+1], current_ir_graph);
+		edges_notify_edge(node, i, NULL, (*arr)[i+1], irg);
 	}
 
 	if (arity != ARR_LEN(*arr) - 1) {
     ir_node * block = (*arr)[0];
-    *arr = NEW_ARR_D(ir_node *, current_ir_graph->obst, arity + 1);
+    *arr = NEW_ARR_D(ir_node *, irg->obst, arity + 1);
     (*arr)[0] = block;
   }
-  fix_backedges(current_ir_graph->obst, node);
+  fix_backedges(irg->obst, node);
 
   memcpy((*arr) + 1, in, sizeof(ir_node *) * arity);
 }
@@ -465,13 +467,12 @@ void firm_set_irn_section(ir_node *n, struct section *s) {}
 
 
 /* Outputs a unique number for this node */
-long
-get_irn_node_nr(const ir_node *node) {
+long get_irn_node_nr(const ir_node *node) {
   assert(node);
 #ifdef DEBUG_libfirm
   return node->node_nr;
 #else
-  return (long)node;
+  return (long)PTR_TO_INT(node);
 #endif
 }
 
@@ -510,7 +511,7 @@ get_irn_symconst_attr (ir_node *node)
   return node->attr.i;
 }
 
-type *
+ir_type *
 get_irn_call_attr (ir_node *node)
 {
   assert (node->op == op_Call);
@@ -583,7 +584,7 @@ set_nodes_block (ir_node *node, ir_node *block) {
 
 /* Test whether arbitrary node is frame pointer, i.e. Proj(pn_Start_P_frame_base)
  * from Start.  If so returns frame type, else Null. */
-type *is_frame_pointer(ir_node *n) {
+ir_type *is_frame_pointer(ir_node *n) {
   if ((get_irn_op(n) == op_Proj) &&
       (get_Proj_proj(n) == pn_Start_P_frame_base)) {
     ir_node *start = get_Proj_pred(n);
@@ -596,7 +597,7 @@ type *is_frame_pointer(ir_node *n) {
 
 /* Test whether arbitrary node is globals pointer, i.e. Proj(pn_Start_P_globals)
  * from Start.  If so returns global type, else Null. */
-type *is_globals_pointer(ir_node *n) {
+ir_type *is_globals_pointer(ir_node *n) {
   if ((get_irn_op(n) == op_Proj) &&
       (get_Proj_proj(n) == pn_Start_P_globals)) {
     ir_node *start = get_Proj_pred(n);
@@ -630,12 +631,12 @@ get_Block_cfgpred_arr (ir_node *node)
 
 int
 (get_Block_n_cfgpreds)(ir_node *node) {
-  return get_Block_n_cfgpreds(node);
+  return _get_Block_n_cfgpreds(node);
 }
 
 ir_node *
 (get_Block_cfgpred)(ir_node *node, int pos) {
-  return get_Block_cfgpred(node, pos);
+  return _get_Block_cfgpred(node, pos);
 }
 
 void
@@ -748,22 +749,19 @@ int (is_Block_dead)(const ir_node *block) {
 }
 
 ir_extblk *get_Block_extbb(const ir_node *block) {
+	ir_extblk *res;
   assert(is_Block(block));
-  return block->attr.block.extblk;
+	res = block->attr.block.extblk;
+	assert(res == NULL || is_ir_extbb(res));
+  return res;
 }
 
 void set_Block_extbb(ir_node *block, ir_extblk *extblk) {
   assert(is_Block(block));
+	assert(extblk == NULL || is_ir_extbb(extblk));
   block->attr.block.extblk = extblk;
 }
 
-void
-set_Start_irg(ir_node *node, ir_graph *irg) {
-  assert(node->op == op_Start);
-  assert(is_ir_graph(irg));
-  assert(0 && " Why set irg? -- use set_irn_irg");
-}
-
 int
 get_End_n_keepalives(ir_node *end) {
   assert (end->op == op_End);
@@ -918,30 +916,6 @@ set_Return_res (ir_node *node, int pos, ir_node *res){
   set_irn_n(node, pos + RETURN_RESULT_OFFSET, res);
 }
 
-ir_node *
-get_Raise_mem (ir_node *node) {
-  assert (node->op == op_Raise);
-  return get_irn_n(node, 0);
-}
-
-void
-set_Raise_mem (ir_node *node, ir_node *mem) {
-  assert (node->op == op_Raise);
-  set_irn_n(node, 0, mem);
-}
-
-ir_node *
-get_Raise_exo_ptr (ir_node *node) {
-  assert (node->op == op_Raise);
-  return get_irn_n(node, 1);
-}
-
-void
-set_Raise_exo_ptr (ir_node *node, ir_node *exo_ptr) {
-  assert (node->op == op_Raise);
-  set_irn_n(node, 1, exo_ptr);
-}
-
 tarval *(get_Const_tarval)(ir_node *node) {
 	return _get_Const_tarval(node);
 }
@@ -961,14 +935,14 @@ cnst_classify_t (classify_Const)(ir_node *node)
 /* The source language type.  Must be an atomic type.  Mode of type must
    be mode of node. For tarvals from entities type must be pointer to
    entity type. */
-type *
+ir_type *
 get_Const_type (ir_node *node) {
   assert (node->op == op_Const);
   return node->attr.con.tp;
 }
 
 void
-set_Const_type (ir_node *node, type *tp) {
+set_Const_type (ir_node *node, ir_type *tp) {
   assert (node->op == op_Const);
   if (tp != firm_unknown_type) {
     assert (is_atomic_type(tp));
@@ -990,7 +964,7 @@ set_SymConst_kind (ir_node *node, symconst_kind num) {
   node->attr.i.num = num;
 }
 
-type *
+ir_type *
 get_SymConst_type (ir_node *node) {
   assert (   (node->op == op_SymConst)
           && (   get_SymConst_kind(node) == symconst_type_tag
@@ -999,7 +973,7 @@ get_SymConst_type (ir_node *node) {
 }
 
 void
-set_SymConst_type (ir_node *node, type *tp) {
+set_SymConst_type (ir_node *node, ir_type *tp) {
   assert (   (node->op == op_SymConst)
           && (   get_SymConst_kind(node) == symconst_type_tag
               || get_SymConst_kind(node) == symconst_size));
@@ -1047,7 +1021,7 @@ set_SymConst_symbol (ir_node *node, union symconst_symbol sym) {
   node->attr.i.sym = sym;
 }
 
-type *
+ir_type *
 get_SymConst_value_type (ir_node *node) {
   assert (node->op == op_SymConst);
   if (node->attr.i.tp) node->attr.i.tp = skip_tid(node->attr.i.tp);
@@ -1055,7 +1029,7 @@ get_SymConst_value_type (ir_node *node) {
 }
 
 void
-set_SymConst_value_type (ir_node *node, type *tp) {
+set_SymConst_value_type (ir_node *node, ir_type *tp) {
   assert (node->op == op_SymConst);
   node->attr.i.tp = tp;
 }
@@ -1124,42 +1098,6 @@ set_Sel_entity (ir_node *node, entity *ent) {
   node->attr.s.ent = ent;
 }
 
-type *
-get_InstOf_ent (ir_node *node) {
-  assert (node->op = op_InstOf);
-  return (node->attr.io.ent);
-}
-
-void
-set_InstOf_ent (ir_node *node, type *ent) {
-  assert (node->op = op_InstOf);
-  node->attr.io.ent = ent;
-}
-
-ir_node *
-get_InstOf_store (ir_node *node) {
-  assert (node->op = op_InstOf);
-  return (get_irn_n (node, 0));
-}
-
-void
-set_InstOf_store (ir_node *node, ir_node *obj) {
-  assert (node->op = op_InstOf);
-  set_irn_n (node, 0, obj);
-}
-
-ir_node *
-get_InstOf_obj (ir_node *node) {
-  assert (node->op = op_InstOf);
-  return (get_irn_n (node, 1));
-}
-
-void
-set_InstOf_obj (ir_node *node, ir_node *obj) {
-  assert (node->op = op_InstOf);
-  set_irn_n (node, 1, obj);
-}
-
 
 /* For unary and binary arithmetic operations the access to the
    operands can be factored out.  Left is the first, right the
@@ -1229,14 +1167,14 @@ set_Call_param (ir_node *node, int pos, ir_node *param) {
   set_irn_n(node, pos + CALL_PARAM_OFFSET, param);
 }
 
-type *
+ir_type *
 get_Call_type (ir_node *node) {
   assert (node->op == op_Call);
   return node->attr.call.cld_tp = skip_tid(node->attr.call.cld_tp);
 }
 
 void
-set_Call_type (ir_node *node, type *tp) {
+set_Call_type (ir_node *node, ir_type *tp) {
   assert (node->op == op_Call);
   assert ((get_unknown_type() == tp) || is_Method_type(tp));
   node->attr.call.cld_tp = tp;
@@ -1390,14 +1328,14 @@ BINOP(Cmp)
 UNOP(Conv)
 UNOP(Cast)
 
-type *
+ir_type *
 get_Cast_type (ir_node *node) {
   assert (node->op == op_Cast);
   return node->attr.cast.totype;
 }
 
 void
-set_Cast_type (ir_node *node, type *to_tp) {
+set_Cast_type (ir_node *node, ir_type *to_tp) {
   assert (node->op == op_Cast);
   node->attr.cast.totype = to_tp;
 }
@@ -1408,8 +1346,8 @@ set_Cast_type (ir_node *node, type *to_tp) {
  * Returns true if the Cast node casts a class type to a super type.
  */
 int is_Cast_upcast(ir_node *node) {
-  type *totype   = get_Cast_type(node);
-  type *fromtype = get_irn_typeinfo_type(get_Cast_op(node));
+  ir_type *totype   = get_Cast_type(node);
+  ir_type *fromtype = get_irn_typeinfo_type(get_Cast_op(node));
   ir_graph *myirg = get_irn_irg(node);
 
   assert(get_irg_typeinfo_state(myirg) == ir_typeinfo_consistent);
@@ -1431,8 +1369,8 @@ int is_Cast_upcast(ir_node *node) {
  * Returns true if the Cast node casts a class type to a sub type.
  */
 int is_Cast_downcast(ir_node *node) {
-  type *totype   = get_Cast_type(node);
-  type *fromtype = get_irn_typeinfo_type(get_Cast_op(node));
+  ir_type *totype   = get_Cast_type(node);
+  ir_type *fromtype = get_irn_typeinfo_type(get_Cast_op(node));
 
   assert(get_irg_typeinfo_state(get_irn_irg(node)) == ir_typeinfo_consistent);
   assert(fromtype);
@@ -1709,14 +1647,14 @@ set_Alloc_size (ir_node *node, ir_node *size) {
   set_irn_n(node, 1, size);
 }
 
-type  *
+ir_type  *
 get_Alloc_type (ir_node *node) {
   assert (node->op == op_Alloc);
   return node->attr.a.type = skip_tid(node->attr.a.type);
 }
 
 void
-set_Alloc_type (ir_node *node, type *tp) {
+set_Alloc_type (ir_node *node, ir_type *tp) {
   assert (node->op == op_Alloc);
   node->attr.a.type = tp;
 }
@@ -1770,14 +1708,14 @@ set_Free_size (ir_node *node, ir_node *size) {
   set_irn_n(node, 2, size);
 }
 
-type  *
+ir_type *
 get_Free_type (ir_node *node) {
   assert (node->op == op_Free);
   return node->attr.f.type = skip_tid(node->attr.f.type);
 }
 
 void
-set_Free_type (ir_node *node, type *tp) {
+set_Free_type (ir_node *node, ir_type *tp) {
   assert (node->op == op_Free);
   node->attr.f.type = tp;
 }
@@ -1825,9 +1763,9 @@ set_Sync_pred (ir_node *node, int pos, ir_node *pred) {
   set_irn_n(node, pos, pred);
 }
 
-type *get_Proj_type(ir_node *n)
+ir_type *get_Proj_type(ir_node *n)
 {
-  type *tp      = NULL;
+  ir_type *tp   = NULL;
   ir_node *pred = get_Proj_pred(n);
 
   switch (get_irn_opcode(pred)) {
@@ -1837,10 +1775,10 @@ type *get_Proj_type(ir_node *n)
     assert(get_irn_mode(pred) == mode_T);
     pred_pred = get_Proj_pred(pred);
     if (get_irn_op(pred_pred) == op_Start)  {
-      type *mtp = get_entity_type(get_irg_entity(get_irn_irg(pred_pred)));
+      ir_type *mtp = get_entity_type(get_irg_entity(get_irn_irg(pred_pred)));
       tp = get_method_param_type(mtp, get_Proj_proj(n));
     } else if (get_irn_op(pred_pred) == op_Call) {
-      type *mtp = get_Call_type(pred_pred);
+      ir_type *mtp = get_Call_type(pred_pred);
       tp = get_method_res_type(mtp, get_Proj_proj(n));
     }
   } break;
@@ -1848,7 +1786,7 @@ type *get_Proj_type(ir_node *n)
   case iro_Call: break;
   case iro_Load: {
     ir_node *a = get_Load_ptr(pred);
-    if (get_irn_op(a) == op_Sel)
+    if (is_Sel(a))
       tp = get_entity_type(get_Sel_entity(a));
   } break;
   default:
@@ -2009,30 +1947,105 @@ ir_node *get_Filter_cg_pred(ir_node *node, int pos) {
 
 /* Mux support */
 ir_node *get_Mux_sel   (ir_node *node) {
+  if (node->op == op_Psi) {
+    assert(get_irn_arity(node) == 3);
+    return get_Psi_cond(node, 0);
+  }
   assert(node->op == op_Mux);
   return node->in[1];
 }
 void     set_Mux_sel   (ir_node *node, ir_node *sel) {
-  assert(node->op == op_Mux);
-  node->in[1] = sel;
+  if (node->op == op_Psi) {
+    assert(get_irn_arity(node) == 3);
+    set_Psi_cond(node, 0, sel);
+  }
+  else {
+    assert(node->op == op_Mux);
+    node->in[1] = sel;
+  }
 }
 
 ir_node *get_Mux_false (ir_node *node) {
+  if (node->op == op_Psi) {
+    assert(get_irn_arity(node) == 3);
+    return get_Psi_default(node);
+  }
   assert(node->op == op_Mux);
   return node->in[2];
 }
 void     set_Mux_false (ir_node *node, ir_node *ir_false) {
-  assert(node->op == op_Mux);
-  node->in[2] = ir_false;
+  if (node->op == op_Psi) {
+    assert(get_irn_arity(node) == 3);
+    set_Psi_default(node, ir_false);
+  }
+  else {
+    assert(node->op == op_Mux);
+    node->in[2] = ir_false;
+  }
 }
 
 ir_node *get_Mux_true  (ir_node *node) {
+  if (node->op == op_Psi) {
+    assert(get_irn_arity(node) == 3);
+    return get_Psi_val(node, 0);
+  }
   assert(node->op == op_Mux);
   return node->in[3];
 }
 void     set_Mux_true  (ir_node *node, ir_node *ir_true) {
-  assert(node->op == op_Mux);
-  node->in[3] = ir_true;
+  if (node->op == op_Psi) {
+    assert(get_irn_arity(node) == 3);
+    set_Psi_val(node, 0, ir_true);
+  }
+  else {
+    assert(node->op == op_Mux);
+    node->in[3] = ir_true;
+  }
+}
+
+/* Psi support */
+ir_node *get_Psi_cond   (ir_node *node, int pos) {
+  int num_conds = get_Psi_n_conds(node);
+  assert(node->op == op_Psi);
+  assert(pos < num_conds);
+  return node->in[1 + 2 * pos];
+}
+
+void     set_Psi_cond   (ir_node *node, int pos, ir_node *cond) {
+  int num_conds = get_Psi_n_conds(node);
+  assert(node->op == op_Psi);
+  assert(pos < num_conds);
+  node->in[1 + 2 * pos] = cond;
+}
+
+ir_node *get_Psi_val    (ir_node *node, int pos) {
+  int num_vals = get_Psi_n_conds(node);
+  assert(node->op == op_Psi);
+  assert(pos < num_vals);
+  return node->in[1 + 2 * pos + 1];
+}
+
+void     set_Psi_val    (ir_node *node, int pos, ir_node *val) {
+  int num_vals = get_Psi_n_conds(node);
+  assert(node->op == op_Psi);
+  assert(pos < num_vals);
+  node->in[1 + 2 * pos + 1] = val;
+}
+
+ir_node *get_Psi_default(ir_node *node) {
+  int def_pos = get_irn_arity(node);
+  assert(node->op == op_Psi);
+  return node->in[def_pos];
+}
+
+void     set_Psi_default(ir_node *node, ir_node *val) {
+  int def_pos = get_irn_arity(node);
+  assert(node->op == op_Psi);
+  node->in[def_pos] = node;
+}
+
+int (get_Psi_n_conds)(ir_node *node) {
+  return _get_Psi_n_conds(node);
 }
 
 /* CopyB support */
@@ -2066,17 +2079,125 @@ void     set_CopyB_src (ir_node *node, ir_node *src) {
   set_irn_n(node, 2, src);
 }
 
-type    *get_CopyB_type(ir_node *node) {
+ir_type *get_CopyB_type(ir_node *node) {
   assert (node->op == op_CopyB);
   return node->attr.copyb.data_type;
 }
 
-void     set_CopyB_type(ir_node *node, type *data_type) {
+void     set_CopyB_type(ir_node *node, ir_type *data_type) {
   assert (node->op == op_CopyB && data_type);
   node->attr.copyb.data_type = data_type;
 }
 
 
+ir_type *
+get_InstOf_type (ir_node *node) {
+  assert (node->op = op_InstOf);
+  return node->attr.io.type;
+}
+
+void
+set_InstOf_type (ir_node *node, ir_type *type) {
+  assert (node->op = op_InstOf);
+  node->attr.io.type = type;
+}
+
+ir_node *
+get_InstOf_store (ir_node *node) {
+  assert (node->op = op_InstOf);
+  return get_irn_n(node, 0);
+}
+
+void
+set_InstOf_store (ir_node *node, ir_node *obj) {
+  assert (node->op = op_InstOf);
+  set_irn_n(node, 0, obj);
+}
+
+ir_node *
+get_InstOf_obj (ir_node *node) {
+  assert (node->op = op_InstOf);
+  return get_irn_n(node, 1);
+}
+
+void
+set_InstOf_obj (ir_node *node, ir_node *obj) {
+  assert (node->op = op_InstOf);
+  set_irn_n(node, 1, obj);
+}
+
+/* Returns the memory input of a Raise operation. */
+ir_node *
+get_Raise_mem (ir_node *node) {
+  assert (node->op == op_Raise);
+  return get_irn_n(node, 0);
+}
+
+void
+set_Raise_mem (ir_node *node, ir_node *mem) {
+  assert (node->op == op_Raise);
+  set_irn_n(node, 0, mem);
+}
+
+ir_node *
+get_Raise_exo_ptr (ir_node *node) {
+  assert (node->op == op_Raise);
+  return get_irn_n(node, 1);
+}
+
+void
+set_Raise_exo_ptr (ir_node *node, ir_node *exo_ptr) {
+  assert (node->op == op_Raise);
+  set_irn_n(node, 1, exo_ptr);
+}
+
+/* Bound support */
+
+/* Returns the memory input of a Bound operation. */
+ir_node *get_Bound_mem(ir_node *bound) {
+  assert (bound->op == op_Bound);
+  return get_irn_n(bound, 0);
+}
+
+void     set_Bound_mem (ir_node *bound, ir_node *mem) {
+  assert (bound->op == op_Bound);
+  set_irn_n(bound, 0, mem);
+}
+
+/* Returns the index input of a Bound operation. */
+ir_node *get_Bound_index(ir_node *bound) {
+  assert (bound->op == op_Bound);
+  return get_irn_n(bound, 1);
+}
+
+void     set_Bound_index(ir_node *bound, ir_node *idx) {
+  assert (bound->op == op_Bound);
+  set_irn_n(bound, 1, idx);
+}
+
+/* Returns the lower bound input of a Bound operation. */
+ir_node *get_Bound_lower(ir_node *bound) {
+  assert (bound->op == op_Bound);
+  return get_irn_n(bound, 2);
+}
+
+void     set_Bound_lower(ir_node *bound, ir_node *lower) {
+  assert (bound->op == op_Bound);
+  set_irn_n(bound, 2, lower);
+}
+
+/* Returns the upper bound input of a Bound operation. */
+ir_node *get_Bound_upper(ir_node *bound) {
+  assert (bound->op == op_Bound);
+  return get_irn_n(bound, 3);
+}
+
+void     set_Bound_upper(ir_node *bound, ir_node *upper) {
+  assert (bound->op == op_Bound);
+  set_irn_n(bound, 3, upper);
+}
+
+/* returns the graph of a node */
 ir_graph *
 get_irn_irg(const ir_node *node) {
 	/*
@@ -2165,14 +2286,15 @@ ir_node *skip_HighLevel(ir_node *node) {
 
 #if 0
 /* This should compact Id-cycles to self-cycles. It has the same (or less?) complexity
-   than any other approach, as Id chains are resolved and all point to the real node, or
-   all id's are self loops. */
+ * than any other approach, as Id chains are resolved and all point to the real node, or
+ * all id's are self loops.
+ *
+ * Moreover, it CANNOT be switched off using get_opt_normalize() ...
+ */
 ir_node *
 skip_Id (ir_node *node) {
   /* don't assert node !!! */
 
-  if (!get_opt_normalize()) return node;
-
   /* Don't use get_Id_pred:  We get into an endless loop for
      self-referencing Ids. */
   if (node && (node->op == op_Id) && (node != node->in[0+1])) {
@@ -2193,8 +2315,14 @@ skip_Id (ir_node *node) {
 }
 #else
 /* This should compact Id-cycles to self-cycles. It has the same (or less?) complexity
-   than any other approach, as Id chains are resolved and all point to the real node, or
-   all id's are self loops. */
+ * than any other approach, as Id chains are resolved and all point to the real node, or
+ * all id's are self loops.
+ *
+ * Note: This function takes 10% of mostly ANY the compiler run, so it's
+ * a little bit "hand optimized".
+ *
+ * Moreover, it CANNOT be switched off using get_opt_normalize() ...
+ */
 ir_node *
 skip_Id (ir_node *node) {
   ir_node *pred;
@@ -2202,9 +2330,7 @@ skip_Id (ir_node *node) {
 
   if (!node || (node->op != op_Id)) return node;
 
-  if (!get_opt_normalize()) return node;
-
-  /* Don't use get_Id_pred:  We get into an endless loop for
+  /* Don't use get_Id_pred():  We get into an endless loop for
      self-referencing Ids. */
   pred = node->in[0+1];
 
@@ -2230,6 +2356,16 @@ skip_Id (ir_node *node) {
 }
 #endif
 
+void skip_Id_and_store(ir_node **node) {
+  ir_node *n = *node;
+
+  if (!n || (n->op != op_Id)) return;
+
+  /* Don't use get_Id_pred():  We get into an endless loop for
+     self-referencing Ids. */
+  *node = skip_Id(n);
+}
+
 int
 (is_Bad)(const ir_node *node) {
   return _is_Bad(node);
@@ -2250,12 +2386,36 @@ int
   return _is_Block(node);
 }
 
-/* returns true if node is a Unknown node. */
+/* returns true if node is an Unknown node. */
 int
 (is_Unknown)(const ir_node *node) {
   return _is_Unknown(node);
 }
 
+/* returns true if node is a Return node. */
+int
+(is_Return)(const ir_node *node) {
+  return _is_Return(node);
+}
+
+/* returns true if node is a Call node. */
+int
+(is_Call)(const ir_node *node) {
+  return _is_Call(node);
+}
+
+/* returns true if node is a Sel node. */
+int
+(is_Sel)(const ir_node *node) {
+  return _is_Sel(node);
+}
+
+/* returns true if node is a Mux node or a Psi with only one condition. */
+int
+(is_Mux)(const ir_node *node) {
+  return _is_Mux(node);
+}
+
 int
 is_Proj (const ir_node *node) {
   assert(node);
@@ -2310,15 +2470,37 @@ int (is_irn_forking)(const ir_node *node) {
   return _is_irn_forking(node);
 }
 
-type *(get_irn_type)(ir_node *node) {
+/* Return the type associated with the value produced by n
+ * if the node remarks this type as it is the case for
+ * Cast, Const, SymConst and some Proj nodes. */
+ir_type *(get_irn_type)(ir_node *node) {
   return _get_irn_type(node);
 }
 
+/* Return the type attribute of a node n (SymConst, Call, Alloc, Free,
+   Cast) or NULL.*/
+ir_type *(get_irn_type_attr)(ir_node *node) {
+  return _get_irn_type_attr(node);
+}
+
+/* Return the entity attribute of a node n (SymConst, Sel) or NULL. */
+entity *(get_irn_entity_attr)(ir_node *node) {
+  return _get_irn_entity_attr(node);
+}
+
 /* Returns non-zero for constant-like nodes. */
 int (is_irn_constlike)(const ir_node *node) {
   return _is_irn_constlike(node);
 }
 
+/*
+ * Returns non-zero for nodes that are allowed to have keep-alives and
+ * are neither Block nor PhiM.
+ */
+int (is_irn_keep)(const ir_node *node) {
+  return _is_irn_keep(node);
+}
+
 /* Gets the string representation of the jump prediction .*/
 const char *get_cond_jmp_predicate_name(cond_jmp_predicate pred)
 {
@@ -2340,9 +2522,9 @@ void (set_Cond_jmp_pred)(ir_node *cond, cond_jmp_predicate pred) {
   _set_Cond_jmp_pred(cond, pred);
 }
 
-/** the get_type operation must be always implemented */
-static type *get_Null_type(ir_node *n) {
-  return NULL;
+/** the get_type operation must be always implemented and return a firm type */
+static ir_type *get_Default_type(ir_node *n) {
+  return get_unknown_type();
 }
 
 /* Sets the get_type operation for an ir_op_ops. */
@@ -2356,7 +2538,66 @@ ir_op_ops *firm_set_default_get_type(opcode code, ir_op_ops *ops)
   default:
     /* not allowed to be NULL */
     if (! ops->get_type)
-      ops->get_type = get_Null_type;
+      ops->get_type = get_Default_type;
+    break;
+  }
+  return ops;
+}
+
+/** Return the attribute type of a SymConst node if exists */
+static ir_type *get_SymConst_attr_type(ir_node *self) {
+  symconst_kind kind = get_SymConst_kind(self);
+  if (kind == symconst_type_tag || kind == symconst_size)
+    return get_SymConst_type(self);
+  return NULL;
+}
+
+/** Return the attribute entity of a SymConst node if exists */
+static entity *get_SymConst_attr_entity(ir_node *self) {
+  symconst_kind kind = get_SymConst_kind(self);
+  if (kind == symconst_addr_ent)
+    return get_SymConst_entity(self);
+  return NULL;
+}
+
+/** the get_type_attr operation must be always implemented */
+static ir_type *get_Null_type(ir_node *n) {
+  return firm_unknown_type;
+}
+
+/* Sets the get_type operation for an ir_op_ops. */
+ir_op_ops *firm_set_default_get_type_attr(opcode code, ir_op_ops *ops)
+{
+  switch (code) {
+  case iro_SymConst: ops->get_type_attr = get_SymConst_attr_type; break;
+  case iro_Call:     ops->get_type_attr = get_Call_type; break;
+  case iro_Alloc:    ops->get_type_attr = get_Alloc_type; break;
+  case iro_Free:     ops->get_type_attr = get_Free_type; break;
+  case iro_Cast:     ops->get_type_attr = get_Cast_type; break;
+  default:
+    /* not allowed to be NULL */
+    if (! ops->get_type_attr)
+      ops->get_type_attr = get_Null_type;
+    break;
+  }
+  return ops;
+}
+
+/** the get_entity_attr operation must be always implemented */
+static entity *get_Null_ent(ir_node *n) {
+  return NULL;
+}
+
+/* Sets the get_type operation for an ir_op_ops. */
+ir_op_ops *firm_set_default_get_entity_attr(opcode code, ir_op_ops *ops)
+{
+  switch (code) {
+  case iro_SymConst: ops->get_entity_attr = get_SymConst_attr_entity; break;
+  case iro_Sel:      ops->get_entity_attr = get_Sel_entity; break;
+  default:
+    /* not allowed to be NULL */
+    if (! ops->get_entity_attr)
+      ops->get_entity_attr = get_Null_ent;
     break;
   }
   return ops;