make dependency edge handling more robust

[libfirm] / ir / ir / ircons_t.h

diff --git a/ir/ir/ircons_t.h b/ir/ir/ircons_t.h
index 64cb2b7..5ea9210 100644 (file)
--- a/ir/ir/ircons_t.h
+++ b/ir/ir/ircons_t.h
@@ -22,7 +22,6 @@
  * @brief     Various irnode constructors.  Automatic construction
  *            of SSA representation. Private Header
  * @author    Martin Trapp, Christian Schaefer, Michael Beck
- * @version   $Id$
  */
 #ifndef FIRM_IR_IRCONS_T_H
 #define FIRM_IR_IRCONS_T_H
@@ -30,20 +29,14 @@
 #include "ircons.h"
 #include "irgraph_t.h"
 
-/**
- * Initializes the graph construction.
- *
- * @param func  callback that is called if a uninitialized
- *              variable is detected
- *
- * @see uninitialized_local_variable_func_t
- */
-void firm_init_cons(uninitialized_local_variable_func_t *func);
-
 /**
  * Creates a new Anchor node.
  */
-ir_node *new_Anchor(ir_graph *irg);
+ir_node *new_r_Anchor(ir_graph *irg);
+
+/** create new block node without immediately optimizing it.
+ * This is an internal helper function for new_ir_graph() */
+ir_node *new_r_Block_noopt(ir_graph *irg, int arity, ir_node *in[]);
 
 /**
  * Allocate a frag array for a node if the current graph state is phase_building.
@@ -56,20 +49,28 @@ ir_node *new_Anchor(ir_graph *irg);
  */
 void firm_alloc_frag_arr(ir_node *irn, ir_op *op, ir_node ***frag_store);
 
-/* inline functions */
-
-static INLINE ir_node *
-_new_d_Bad(void) {
-       return get_irg_bad(current_ir_graph);
-}
-
-static INLINE ir_node *
-_new_d_NoMem(void) {
-       return get_irg_no_mem(current_ir_graph);
-}
-
+/**
+ * Restarts SSA construction on the given graph with n_loc
+ * new values.
+ *
+ * @param irg    the graph on which the SSA construction is restarted
+ * @param n_loc  number of new variables
+ *
+ * After this function is complete, the graph is in phase_building
+ * again and set_value()/get_value() and mature_block() can be used
+ * to construct new values.
+ *
+ * @note do not use get_mem()/set_mem() they will build a new memory
+ *       instead of modifying the old one which might be not what you expect...
+ */
+void ssa_cons_start(ir_graph *irg, int n_loc);
 
-#define new_d_Bad()               _new_d_Bad()
-#define new_d_NoMem()             _new_d_NoMem()
+/**
+ * Finalize the (restarted) SSA construction. Matures all blocks that are
+ * not matured yet and reset the graph state to phase_high.
+ *
+ * @param irg    the graph on which the SSA construction was restarted
+ */
+void ssa_cons_finish(ir_graph *irg);
 
 #endif