implemented get_Proj_type(), moved get_irn_type() here,

used new ir_op get_type operation

[r5191]

ir/ir/irnode.c

@@ -1734,6 +1734,38 @@ set_Sync_pred (ir_node *node, int pos, ir_node *pred) {
   set_irn_n(node, pos, pred);
 }
 
+type *get_Proj_type(ir_node *n)
+{
+  type *tp      = NULL;
+  ir_node *pred = get_Proj_pred(n);
+
+  switch (get_irn_opcode(pred)) {
+  case iro_Proj: {
+    ir_node *pred_pred;
+    /* Deal with Start / Call here: we need to know the Proj Nr. */
+    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)));
+      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);
+      tp = get_method_res_type(mtp, get_Proj_proj(n));
+    }
+  } break;
+  case iro_Start: break;
+  case iro_Call: break;
+  case iro_Load: {
+    ir_node *a = get_Load_ptr(pred);
+    if (get_irn_op(a) == op_Sel)
+      tp = get_entity_type(get_Sel_entity(a));
+  } break;
+  default:
+    break;
+  }
+  return tp;
+}
+
 ir_node *
 get_Proj_pred (ir_node *node) {
   assert (is_Proj(node));
@@ -2108,6 +2140,27 @@ is_forking_op(const ir_node *node) {
   return is_op_forking(get_irn_op(node));
 }
 
+type *(get_irn_type)(ir_node *node) {
+  return _get_irn_type(node);
+}
+
+/** the get_type operation must be always implemented */
+static type *get_Null_type(ir_node *n) {
+  return NULL;
+}
+
+/* set the get_type operation */
+ir_op *firm_set_default_get_type(ir_op *op)
+{
+  switch (op->code) {
+  case iro_Const:    op->get_type = get_Const_type; break;
+  case iro_SymConst: op->get_type = get_SymConst_value_type; break;
+  case iro_Cast:     op->get_type = get_Cast_type; break;
+  case iro_Proj:     op->get_type = get_Proj_type; break;
+  default:           op->get_type = get_Null_type; break;
+  }
+  return op;
+}
 
 #ifdef DEBUG_libfirm
 void dump_irn (ir_node *n) {

ir/ir/irnode.h

@@ -816,8 +816,15 @@ int       get_Sync_n_preds (ir_node *node);
 ir_node  *get_Sync_pred (ir_node *node, int pos);
 void      set_Sync_pred (ir_node *node, int pos, ir_node *pred);
 
+/** Returns the source language type of a Proj node.
+ * Must be an atomic type.  Mode of type must be mode of node.
+ */
+type     *get_Proj_type (ir_node *node);
+
+/** Return the predecessor of a Proj node. */
 ir_node  *get_Proj_pred (ir_node *node);
 void      set_Proj_pred (ir_node *node, ir_node *pred);
+/** Return the projection number of a Proj node. */
 long      get_Proj_proj (ir_node *node);
 void      set_Proj_proj (ir_node *node, long proj);
 
@@ -893,6 +900,11 @@ ir_node *get_fragile_op_mem(ir_node *node);
  *  operation: Cond. */
 int is_forking_op(const 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. */
+type *get_irn_type(ir_node *n);
+
 /**
  * Access custom node data.
  * The data must have been registered with

ir/ir/irnode_t.h

@@ -272,11 +272,14 @@ store_attr    get_irn_store_attr    (ir_node *node);
 except_attr   get_irn_except_attr   (ir_node *node);
 /** @} */
 
-/*
+/**
  * The amount of additional space for custom data to be allocated upon creating a new node.
  */
 extern unsigned firm_add_node_size;
 
+/** Set the get_type operation of an ir_op. */
+ir_op *firm_set_default_get_type(ir_op *op);
+
 /*-------------------------------------------------------------------*/
 /*  These function are most used in libfirm.  Give them as static    */
 /*  functions so they can be inlined.                                */
@@ -554,26 +557,27 @@ _is_Block_dead(const ir_node *block) {
 }
 
 static INLINE tarval *_get_Const_tarval (ir_node *node) {
-  assert (node->op == op_Const);
+  assert (_get_irn_op(node) == op_Const);
   return node->attr.con.tv;
 }
 
-
-static INLINE cnst_classify_t _classify_Const(ir_node *node)
-{
-	ir_op *op;
+static INLINE cnst_classify_t _classify_Const(ir_node *node) {
+  ir_op *op;
   assert(_is_ir_node(node));
 
-	op = _get_irn_op(node);
+  op = _get_irn_op(node);
 
-	if(op == op_Const)
-		return classify_tarval(_get_Const_tarval(node));
-	else if(op == op_SymConst)
-		return CNST_SYMCONST;
+  if(op == op_Const)
+    return classify_tarval(_get_Const_tarval(node));
+  else if(op == op_SymConst)
+    return CNST_SYMCONST;
 
-	return CNST_NO_CONST;
+  return CNST_NO_CONST;
 }
 
+static INLINE type *_get_irn_type(ir_node *node) {
+  return _get_irn_op(node)->get_type(node);
+}
 
 /* this section MUST contain all inline functions */
 #define is_ir_node(thing)          _is_ir_node(thing)
@@ -601,7 +605,8 @@ static INLINE cnst_classify_t _classify_Const(ir_node *node)
 #define is_Block(node)             _is_Block(node)
 #define set_Block_dead(block)      _set_Block_dead(block)
 #define is_Block_dead(block)       _is_Block_dead(block)
-#define get_Const_tarval(node)		 _get_Const_tarval(node)
-#define classify_Const(node)			 _classify_Const(node)
+#define get_Const_tarval(node)     _get_Const_tarval(node)
+#define classify_Const(node)       _classify_Const(node)
+#define get_irn_type(node)         _get_irn_type(node)
 
 # endif /* _IRNODE_T_H_ */