+/** Constructor for a Mux node.
+ *
+ * @param *irg The ir graph the node belong to.
+ * @param *block The block the node belong to.
+ * @param *sel The ir_node that calculates the boolean select.
+ * @param *ir_true The ir_node that calculates the true result.
+ * @param *ir_false The ir_node that calculates the false result.
+ * @param *mode The mode of the node (and it_true and ir_false).
+ */
+ir_node *new_r_Mux (ir_graph *irg, ir_node *block,
+ ir_node *sel, ir_node *ir_false, ir_node *ir_true, ir_mode *mode);
+
+/** Constructor for a Psi node.
+ *
+ * @param *irg The ir graph the node belong to.
+ * @param *block The block the node belong to.
+ * @param *arity The arity of the conditions
+ * @param *conds The array of mode_b conditions, length must be equal arity
+ * @param *vals The array of mode values, length must be equal arity + 1
+ * @param *mode The mode of the node (must be the mode of all vals).
+ */
+ir_node *new_r_Psi (ir_graph *irg, ir_node *block,
+ int arity, ir_node *conds[], ir_node *vals[], ir_mode *mode);
+
+/** Constructor for a CopyB node.
+ *
+ * @param *irg The ir graph the node belong to.
+ * @param *block The block the node belong to.
+ * @param *store The current memory
+ * @param *dst The ir_node that represents the destination address.
+ * @param *src The ir_node that represents the source address.
+ * @param *data_type The type of the copied data
+ */
+ir_node *new_r_CopyB(ir_graph *irg, ir_node *block,
+ ir_node *store, ir_node *dst, ir_node *src, ir_type *data_type);
+
+/** Constructor for a InstOf node.
+ *
+ * A High-Level Type check.
+ *
+ * @param *irg The ir graph the node belongs to.
+ * @param *block The ir block the node belongs to.
+ * @param *store The memory in which the object the entity should be selected
+ * from is allocated.
+ * @param *objptr A pointer to a object of a class type.
+ * @param *type The type of which objptr must be.
+ */
+ir_node *new_r_InstOf (ir_graph *irg, ir_node *block, ir_node *store,
+ ir_node *objptr, ir_type *type);
+
+/** Constructor for a Raise node.
+ *
+ * A High-Level Exception throw.
+ *
+ * @param *irg The ir graph the node belongs to.
+ * @param *block The ir block the node belongs to.
+ * @param *store The current memory.
+ * @param *obj A pointer to the Except variable.
+ */
+ir_node *new_r_Raise (ir_graph *irg, ir_node *block,
+ ir_node *store, ir_node *obj);
+
+/** Constructor for a Bound node.
+ *
+ * A High-Level bounds check. Checks whether lower <= idx && idx < upper.
+ *
+ * @param *irg The ir graph the node belong to.
+ * @param *block The block the node belong to.
+ * @param *store The current memory
+ * @param *idx The ir_node that represents an index.
+ * @param *lower The ir_node that represents the lower bound for the index.
+ * @param *upper The ir_node that represents the upper bound for the index.
+ */
+ir_node *new_r_Bound(ir_graph *irg, ir_node *block,
+ ir_node *store, ir_node *idx, ir_node *lower, ir_node *upper);
+
+/*-----------------------------------------------------------------------*/
+/* The block oriented interface */
+/*-----------------------------------------------------------------------*/
+
+/** Sets the current block in which the following constructors place the
+ * nodes they construct.
+ *
+ * @param target The new current block.
+ */
+void set_cur_block (ir_node *target);
+
+/** Returns the current block of the current graph. */
+ir_node *get_cur_block(void);
+
+/** Returns the fixed nodes of the current graph. */
+#define get_cur_end_block() get_irg_end_block(current_ir_graph)
+#define get_cur_end() get_irg_end(current_ir_graph)
+#define get_cur_start_block() get_irg_start_block(current_ir_graph)
+#define get_cur_start() get_irg_start(current_ir_graph)
+
+/** Constructor for a Block node.
+ *
+ * Adds the block to the graph in current_ir_graph. Constructs a Block
+ * with a fixed number of predecessors. Does set current_block. Can
+ * be used with automatic Phi node construction.
+ *
+ * @param *db A Pointer for debug information.
+ * @param arity The number of control predecessors.
+ * @param in[] An array of control predecessors. The length of
+ * the array must be 'arity'.
+ */
+ir_node *new_d_Block(dbg_info *db, int arity, ir_node *in[]);
+
+/** Constructor for a Start node.
+ *
+ * Adds the node to the block in current_ir_block.
+ *
+ * @param *db A pointer for debug information.
+ */
+ir_node *new_d_Start (dbg_info *db);
+
+/** Constructor for a End node.
+ *
+ * Adds the node to the block in current_ir_block.
+ *
+ * @param *db A pointer for debug information.
+ */
+ir_node *new_d_End (dbg_info *db);
+
+/** Constructor for a Jmp node.
+ *
+ * Adds the node to the block in current_ir_block.
+ *
+ * Jmp represents control flow to a single control successor.
+ *
+ * @param *db A pointer for debug information.
+ */
+ir_node *new_d_Jmp (dbg_info *db);
+
+/** Constructor for an IJmp node.
+ *
+ * IJmp represents control flow to a single control successor not
+ * statically known i.e. an indirect Jmp.
+ *
+ * @param *db A pointer for debug information.
+ * @param *tgt The ir node representing the target address.
+ */
+ir_node *new_d_IJmp (dbg_info *db, ir_node *tgt);
+
+/** Constructor for a Cond node.
+ *
+ * Adds the node to the block in current_ir_block.
+ *
+ * If c is mode_b represents a conditional branch (if/else). If c is
+ * mode_Is/mode_Iu (?) represents a switch. (Allocates dense Cond
+ * node, default Proj is 0.)
+ *
+ * This is not consistent: Input to Cond is Is, Proj has as proj number
+ * longs.
+ *
+ * @param *db A pointer for debug information.
+ * @param *c The conditions parameter.Can be of mode b or I_u.
+ */
+ir_node *new_d_Cond (dbg_info *db, ir_node *c);
+
+/** Constructor for a Return node.
+ *
+ * Adds the node to the block in current_ir_block.
+ *
+ * Returns the memory an zero or more return values. Only node that
+ * can end regular control flow.
+ *
+ * @param *db A pointer for debug information.
+ * @param *store The state of memory.
+ * @param arity Number of array indices.
+ * @param *in Array with index inputs to the node.
+ */
+ir_node *new_d_Return (dbg_info *db, ir_node *store, int arity, ir_node *in[]);
+
+/** Constructor for a Const_type node.
+ *
+ * Adds the node to the block in current_ir_block.
+ *
+ * The constant represents a target value. This constructor sets high
+ * level type information for the constant value.
+ *
+ * @param *db A pointer for debug information.
+ * @param *mode The mode of the operands and results.
+ * @param *con Points to an entry in the constant table. This pointer is
+ added to the attributes of the node.
+ * @param *tp The type of the constant.
+ */
+ir_node *new_d_Const_type (dbg_info *db, ir_mode *mode, tarval *con, ir_type *tp);
+
+/** Constructor for a Const node.
+ *
+ * Adds the node to the block in current_ir_block.
+ *
+ * Constructor for a Const node. The constant represents a target
+ * value. Sets the type information to type_unknown. (No more
+ * supported: If tv is entity derives a somehow useful type.)
+ *
+ * @param *db A pointer for debug information.
+ * @param *mode The mode of the operands and results.
+ * @param *con Points to an entry in the constant table. This pointer is added
+ * to the attributes of the node.
+ */
+ir_node *new_d_Const (dbg_info *db, ir_mode *mode, tarval *con);
+
+/** Constructor for a SymConst_type node.
+ *
+ * Adds the node to the block in current_ir_block.
+ * This is the constructor for a symbolic constant.
+ * There are four kinds of symbolic constants:
+ * - type_tag The symbolic constant represents a type tag. The type the
+ * tag stands for is given explicitly.
+ * - size The symbolic constant represents the size of a type. The
+ * type of which the constant represents the size is given
+ * explicitly.
+ * - addr_name The symbolic constant represents the address of an entity
+ * (variable or method). The variable is indicated by a name
+ * that is valid for linking.
+ * - addr_ent The symbolic constant represents the address of an entity
+ * (variable or method). The variable is given explicitly by
+ * a firm entity.
+ *
+ * Inputs to the node:
+ * No inputs except the block it belongs to.
+ * Outputs of the node.
+ * An unsigned integer (I_u) or a pointer (P).
+ *
+ * @param *db A pointer for debug information.
+ * @param value A type, entity or ident depending on the SymConst kind.
+ * @param kind The kind of the symbolic constant: symconst_type_tag, symconst_size
+ * or symconst_addr_name.
+ * @param tp The source type of the constant.
+ */
+ir_node *new_d_SymConst_type (dbg_info *db, union symconst_symbol value, symconst_kind kind, ir_type *tp);
+
+/** Constructor for a SymConst node.
+ *
+ * Same as new_d_SymConst_type, except that it sets the type to type_unknown. */
+ir_node *new_d_SymConst (dbg_info *db, union symconst_symbol value, symconst_kind kind);
+
+/** Constructor for a simpleSel node.
+ *
+ * This is a shortcut for the new_d_Sel() constructor. To be used for
+ * Sel nodes that do not select from an array, i.e., have no index
+ * inputs. It adds the two parameters 0, NULL.
+ *
+ * @param *db A pointer for debug information.
+ * @param *store The memory in which the object the entity should be
+ * selected from is allocated.
+ * @param *objptr The object from that the Sel operation selects a
+ * single attribute out.
+ * @param *ent The entity to select.
+ */
+ir_node *new_d_simpleSel(dbg_info *db, ir_node *store, ir_node *objptr, entity *ent);
+
+/** Constructor for a Sel node.
+ *
+ * The select node selects an entity (field or method) from an entity
+ * with a compound type. It explicitly specifies the entity selected.
+ * Dynamically the node may select entities that overwrite the given
+ * entity. If the selected entity is an array element entity the Sel
+ * node takes the required array indices as inputs.
+ * Adds the node to the block in current_ir_block.
+ *
+ * @param *db A pointer for debug information.
+ * @param *store The memory in which the object the entity should be selected
+ * from is allocated.
+ * @param *objptr A pointer to a compound entity the Sel operation selects a
+ * single attribute from.
+ * @param arity The number of array indices needed to select an array element entity.
+ * @param *in[] If the compound entity is an array the indices of the selected
+ * element entity. The constructor copies this array.
+ * @param *ent The entity to select.
+ */
+ir_node *new_d_Sel (dbg_info *db, ir_node *store, ir_node *objptr, int arity, ir_node *in[],
+ entity *ent);
+
+/** Constructor for a Call node.
+ *
+ * Represents all kinds of method and function calls.
+ * Adds the node to the block in current_ir_block.
+ *
+ * @param *db A pointer for debug information.
+ * @param *store The actual store.
+ * @param *callee A pointer to the called procedure.
+ * @param arity The number of procedure parameters.
+ * @param *in[] An array with the pointers to the parameters. The constructor copies this array.
+ * @param *tp Type information of the procedure called.
+ */
+ir_node *new_d_Call (dbg_info *db, ir_node *store, ir_node *callee, int arity, ir_node *in[],
+ ir_type *tp);
+
+/** Constructor for a Add node.
+ *
+ * Adds the node to the block in current_ir_block.
+ *
+ * @param *db A pointer for debug information.
+ * @param *op1 The first operand.
+ * @param *op2 The second operand.
+ * @param *mode The mode of the operands and the result.
+ */
+ir_node *new_d_Add (dbg_info *db, ir_node *op1, ir_node *op2, ir_mode *mode);
+
+/** Constructor for a Sub node.
+ *
+ * Adds the node to the block in current_ir_block.
+ *
+ * @param *db A pointer for debug information.
+ * @param *op1 The first operand.
+ * @param *op2 The second operand.
+ * @param *mode The mode of the operands and the result.
+ */
+ir_node *new_d_Sub (dbg_info *db, ir_node *op1, ir_node *op2, ir_mode *mode);
+
+/** Constructor for a Minus node.
+ *
+ * Adds the node to the block in current_ir_block.
+ *
+ * @param *db A pointer for debug information.
+ * @param *op The operand .
+ * @param *mode The mode of the operand and the result.
+ */
+ir_node *new_d_Minus (dbg_info *db, ir_node *op, ir_mode *mode);
+
+/** Constructor for a Mul node.
+ *
+ * Adds the node to the block in current_ir_block.
+ *
+ * @param *db A pointer for debug information.
+ * @param *op1 The first operand.
+ * @param *op2 The second operand.
+ * @param *mode The mode of the operands and the result.
+ */
+ir_node *new_d_Mul (dbg_info *db, ir_node *op1, ir_node *op2, ir_mode *mode);
+
+/** Constructor for a Quot node.
+ *
+ * Adds the node to the block in current_ir_block.
+ *
+ * @param *db A pointer for debug information.
+ * @param *memop The store needed to model exceptions
+ * @param *op1 The first operand.
+ * @param *op2 The second operand.
+ */
+ir_node *new_d_Quot (dbg_info *db, ir_node *memop, ir_node *op1, ir_node *op2);
+
+/** Constructor for a DivMod node.
+ *
+ * Adds the node to the block in current_ir_block.
+ *
+ * @param *db A pointer for debug information.
+ * @param *memop The store needed to model exceptions
+ * @param *op1 The first operand.
+ * @param *op2 The second operand.
+ */
+ir_node *new_d_DivMod (dbg_info *db, ir_node *memop, ir_node *op1, ir_node *op2);
+
+/** Constructor for a Div node.
+ *
+ * Adds the node to the block in current_ir_block.
+ *
+ * @param *db A pointer for debug information.
+ * @param *memop The store needed to model exceptions
+ * @param *op1 The first operand.
+ * @param *op2 The second operand.
+ */
+ir_node *new_d_Div (dbg_info *db, ir_node *memop, ir_node *op1, ir_node *op2);
+
+/** Constructor for a Mod node.
+ *
+ * Adds the node to the block in current_ir_block.
+ *
+ * @param *db A pointer for debug information.
+ * @param *memop The store needed to model exceptions
+ * @param *op1 The first operand.
+ * @param *op2 The second operand.
+ */
+ir_node *new_d_Mod (dbg_info *db, ir_node *memop, ir_node *op1, ir_node *op2);
+
+/** Constructor for a Abs node.
+ *
+ * Adds the node to the block in current_ir_block.
+ *
+ * @param *db A pointer for debug information.
+ * @param *op The operand
+ * @param *mode The mode of the operands and the result.
+ */
+ir_node *new_d_Abs (dbg_info *db, ir_node *op, ir_mode *mode);
+
+/** Constructor for a And node.
+ *
+ * Adds the node to the block in current_ir_block.
+ *
+ * @param *db A pointer for debug information.
+ * @param *op1 The first operand.
+ * @param *op2 The second operand.
+ * @param *mode The mode of the operands and the result.
+ */
+ir_node *new_d_And (dbg_info *db, ir_node *op1, ir_node *op2, ir_mode *mode);
+
+/** Constructor for a Or node.
+ *
+ * Adds the node to the block in current_ir_block.
+ *
+ * @param *db A pointer for debug information.
+ * @param *op1 The first operand.
+ * @param *op2 The second operand.
+ * @param *mode The mode of the operands and the result.
+ */
+ir_node *new_d_Or (dbg_info *db, ir_node *op1, ir_node *op2, ir_mode *mode);
+
+/** Constructor for a Eor node.
+ *
+ * Adds the node to the block in current_ir_block.
+ *
+ * @param *db A pointer for debug information.
+ * @param *op1 The first operand.
+ * @param *op2 The second operand.
+ * @param *mode The mode of the operands and the results.
+ */
+ir_node *new_d_Eor (dbg_info *db, ir_node *op1, ir_node *op2, ir_mode *mode);
+
+/** Constructor for a Not node.
+ *
+ * Adds the node to the block in current_ir_block.
+ *
+ * @param *db A pointer for debug information.
+ * @param *op The operand.
+ * @param *mode The mode of the operand and the result.
+ */
+ir_node *new_d_Not (dbg_info *db, ir_node *op, ir_mode *mode);
+
+/** Constructor for a Shl node.
+ *
+ * Adds the node to the block in current_ir_block.
+ *
+ * @param *db A pointer for debug information.
+ * @param *op The operand.
+ * @param *k The number of bits to shift the operand .
+ * @param *mode The mode of the operand and the result.
+ */
+ir_node *new_d_Shl (dbg_info *db, ir_node *op, ir_node *k, ir_mode *mode);
+
+/** Constructor for a Shr node.
+ *
+ * Adds the node to the block in current_ir_block.
+ *
+ * @param *db A pointer for debug information.
+ * @param *op The operand.
+ * @param *k The number of bits to shift the operand .
+ * @param *mode The mode of the operand and the result.
+ */
+ir_node *new_d_Shr (dbg_info *db, ir_node *op, ir_node *k, ir_mode *mode);
+
+/** Constructor for a Shrs node.
+ *
+ * Adds the node to the block in current_ir_block.
+ *
+ * @param *db A pointer for debug information.
+ * @param *op The operand.
+ * @param *k The number of bits to shift the operand .
+ * @param *mode The mode of the operand and the result.
+ */
+ir_node *new_d_Shrs (dbg_info *db, ir_node *op, ir_node *k, ir_mode *mode);
+
+/** Constructor for a Rot node.
+ *
+ * Adds the node to the block in current_ir_block.
+ *
+ * @param *db A pointer for debug information.
+ * @param *op The operand.
+ * @param *k The number of bits to rotate the operand.
+ * @param *mode The mode of the operand.
+ */
+ir_node *new_d_Rot (dbg_info *db, ir_node *op, ir_node *k, ir_mode *mode);
+
+/** Constructor for a Cmp node.
+ *
+ * Adds the node to the block in current_ir_block.
+ *
+ * @param *db A pointer for debug information.
+ * @param *op1 The first operand.
+ * @param *op2 The second operand.
+ */
+ir_node *new_d_Cmp (dbg_info *db, ir_node *op1, ir_node *op2);
+
+/** Constructor for a Conv node.
+ *
+ * Adds the node to the block in current_ir_block.
+ *
+ * @param *db A pointer for debug information.
+ * @param *op The operand.
+ * @param *mode The mode of this the operand muss be converted .
+ */
+ir_node *new_d_Conv (dbg_info *db, ir_node *op, ir_mode *mode);
+
+/** Constructor for a Cast node.
+ *
+ * High level type cast
+ * Adds the node to the block in current_ir_block.
+ *
+ * @param *db A pointer for debug information.
+ * @param *op The operand.
+ * @param *to_tp The type of this the operand muss be casted .
+ */
+ir_node *new_d_Cast (dbg_info *db, ir_node *op, ir_type *to_tp);
+
+/** Constructor for a Carry node.
+ *
+ * Adds the node to the block in current_ir_block.
+ *
+ * @param *db A pointer for debug information.
+ * @param *op1 The first operand.
+ * @param *op2 The second operand.
+ * @param *mode The mode of the operands and the result.
+ */
+ir_node *new_d_Carry (dbg_info *db, ir_node *op1, ir_node *op2, ir_mode *mode);
+
+/** Constructor for a Borrow node.
+ *
+ * Adds the node to the block in current_ir_block.
+ *
+ * @param *db A pointer for debug information.
+ * @param *op1 The first operand.
+ * @param *op2 The second operand.
+ * @param *mode The mode of the operands and the result.
+ */
+ir_node *new_d_Borrow (dbg_info *db, ir_node *op1, ir_node *op2, ir_mode *mode);
+
+/** Constructor for a Phi node.
+ *
+ * Adds the node to the block in current_ir_block.
+ *
+ * @param *db A pointer for debug information.
+ * @param arity The number of predecessors
+ * @param *in Array with predecessors
+ * @param *mode The mode of it's inputs and output.
+ */
+ir_node *new_d_Phi (dbg_info *db, int arity, ir_node *in[], ir_mode *mode);
+
+/** Constructor for a Load node.
+ *
+ * Adds the node to the block in current_ir_block.
+ *
+ * @param *db A pointer for debug information.
+ * @param *store The current memory
+ * @param *addr A pointer to the variable to be read in this memory.
+ * @param *mode The mode of the value to be loaded.
+ */
+ir_node *new_d_Load (dbg_info *db, ir_node *store, ir_node *addr, ir_mode *mode);
+
+/** Constructor for a Store node.
+ *
+ * Adds the node to the block in current_ir_block.
+ *
+ * @param *db A pointer for debug information.
+ * @param *store The current memory
+ * @param *addr A pointer to the variable to be read in this memory.
+ * @param *val The value to write to this variable.
+ */
+ir_node *new_d_Store (dbg_info *db, ir_node *store, ir_node *addr, ir_node *val);
+
+/** Constructor for a Alloc node.
+ *
+ * The Alloc node extends the memory by space for an entity of type alloc_type.
+ * Adds the node to the block in current_ir_block.
+ *
+ * @param *db A pointer for debug information.
+ * @param *store The memory which shall contain the new variable.
+ * @param *size The number of bytes to allocate.
+ * @param *alloc_type The type of the allocated variable.
+ * @param where Where to allocate the variable, either heap_alloc or stack_alloc.
+ */
+ir_node *new_d_Alloc (dbg_info *db, ir_node *store, ir_node *size, ir_type *alloc_type,
+ where_alloc where);
+
+ /** Constructor for a Free node.
+ *
+ * Frees the memory occupied by the entity pointed to by the pointer
+ * arg. Type indicates the type of the entity the argument points to.
+ * Adds the node to the block in current_ir_block.
+ *
+ * @param *db A pointer for debug information.
+ * @param *store The memory which shall contain the new variable.
+ * @param *ptr The pointer to the object to free.
+ * @param *size The number of objects of type free_type to free in a sequence.
+ * @param *free_type The type of the freed variable.
+ * @param where Where the variable was allocated, either heap_alloc or stack_alloc.
+ */
+ir_node *new_d_Free (dbg_info *db, ir_node *store, ir_node *ptr, ir_node *size,
+ ir_type *free_type, where_alloc where);
+
+/** Constructor for a Sync node.
+ *
+ * Merges several memory values. The node assumes that a variable
+ * either occurs only in one of the memories, or it contains the same
+ * value in all memories where it occurs.
+ * Adds the node to the block in current_ir_block.
+ *
+ * @param *db A pointer for debug information.
+ * @param arity The number of memories to synchronize.
+ * @param **in An array of pointers to nodes that produce an output of type
+ * memory. The constructor copies this array.
+ */
+ir_node *new_d_Sync (dbg_info *db, int arity, ir_node *in[]);
+
+/** Constructor for a Proj node.
+ *
+ * Projects a single value out of a tuple. The parameter proj gives the
+ * position of the value within the tuple.
+ * Adds the node to the block in current_ir_block.
+ *
+ * @param *db A pointer for deubug information.
+ * @param arg A node producing a tuple.
+ * @param *mode The mode of the value to project.
+ * @param proj The position of the value in the tuple.
+ */
+ir_node *new_d_Proj (dbg_info *db, ir_node *arg, ir_mode *mode, long proj);
+
+/** Constructor for a defaultProj node.
+ *
+ * Represents the default control flow of a Switch-Cond node.
+ * Adds the node to the block in current_ir_block.
+ *
+ * @param *db A pointer for debug information.
+ * @param arg A node producing a tuple.
+ * @param max_proj The end position of the value in the tuple.
+ */
+ir_node *new_d_defaultProj (dbg_info *db, ir_node *arg, long max_proj);
+
+/** Constructor for a Tuple node.
+ *
+ * This is an auxiliary node to replace a node that returns a tuple
+ * without changing the corresponding Proj nodes.
+ * Adds the node to the block in current_ir_block.
+ *
+ * @param *db A pointer for debug information.
+ * @param arity The number of tuple elements.
+ * @param **in An array containing pointers to the nodes producing the tuple elements.
+ */
+ir_node *new_d_Tuple (dbg_info *db, int arity, ir_node *in[]);
+
+/** Constructor for a Id node.
+ *
+ * This is an auxiliary node to replace a node that returns a single
+ * value. Adds the node to the block in current_ir_block.
+ *
+ * @param *db A pointer for debug information.
+ * @param *val The operand to Id.
+ * @param *mode The mode of *val.
+ */
+ir_node *new_d_Id (dbg_info *db, ir_node *val, ir_mode *mode);
+
+/** Constructor for a Bad node.
+ *
+ * Returns the unique Bad node of the graph. The same as
+ * get_irg_bad().
+ */
+ir_node *new_d_Bad (void);
+
+/** Constructor for a Confirm node.
+ *
+ * Constructor for a Confirm node. Adds the node to the block in current_ir_block.
+ * Specifies constraints for a value. To support dataflow analyses.
+ *
+ * Example: If the value never exceeds '100' this is expressed by placing a
+ * Confirm node val = new_d_Confirm(db, val, 100, '<') on the dataflow edge.
+ *
+ * @param *db A pointer for debug information.
+ * @param *val The value we express a constraint for
+ * @param *bound The value to compare against. Must be a firm node, typically a constant.
+ * @param cmp The compare operation.
+ */
+ir_node *new_d_Confirm (dbg_info *db, ir_node *val, ir_node *bound, pn_Cmp cmp);
+
+/** Constructor for an Unknown node.
+ *
+ * Represents an arbitrary value. Places the node in
+ * the start block.
+ *
+ * @param *m The mode of the unknown value.
+ */
+ir_node *new_d_Unknown(ir_mode *m);
+
+/** Constructor for a CallBegin node.
+ *
+ * CallBegin represents control flow depending of the pointer value
+ * representing the called method to the called methods. The
+ * constructor copies the method pointer input from the passed Call
+ * node.Adds the node to the block in current_ir_block.
+ *
+ * @param *db A pointer for debug information.
+ * @param *callee The call node visible in the intra procedural view.
+ */
+ir_node *new_d_CallBegin(dbg_info *db, ir_node *callee);
+
+/** Constructor for an EndReg node.
+ *
+ *Adds the node to the block in current_ir_block.
+ *
+ * @param *db A pointer for debug information.
+ */
+ir_node *new_d_EndReg (dbg_info *db);
+
+/** Constructor for an EndExcept node.
+ *
+ * Used to represent regular procedure end in interprocedual view.
+ * Adds the node to the block in current_ir_block.
+ *
+ * @param *db A pointer for debug information.
+ */