/**
* Add a artificial dependency to the node.
* The dependency is only inserted if it is not there already.
+* This is only allowed in phase_backend!
+*
* @param node The node.
* @param dep The dependency target.
+*
* @return The index in the array (get_irn_dep() with that index returns @p dep).
*/
int add_irn_dep(ir_node *node, ir_node *dep);
/**
* Copy all dependencies from a node to another.
+ * This is only allowed in phase_backend!
+ *
* @param tgt The node which should be enriched.
* @param src The node whose dependencies shall be copied.
*/
/** If arg is an argument of the node, returns it's position, -1 otherwise */
int get_irn_pred_pos(ir_node *node, ir_node *arg);
/** Gets the visited counter of a node. */
-unsigned long get_irn_visited(const ir_node *node);
+ir_visited_t get_irn_visited(const ir_node *node);
/** Sets the visited counter of a node. */
-void set_irn_visited(ir_node *node, unsigned long visited);
+void set_irn_visited(ir_node *node, ir_visited_t visited);
/** Sets visited to get_irg_visited(current_ir_graph). */
void mark_irn_visited(ir_node *node);
/** Returns 1 if visited < get_irg_visited(current_ir_graph). */
/** A visited flag only for block nodes.
* @see also: get_irn_visited() inc_irg_visited() inc_irg_block_visited()*/
-unsigned long get_Block_block_visited(const ir_node *node);
-void set_Block_block_visited(ir_node *node, unsigned long visit);
+ir_visited_t get_Block_block_visited(const ir_node *node);
+void set_Block_block_visited(ir_node *node, ir_visited_t visit);
/**
* Marks a block as dead but do not replace it with a Bad node.
/* For this current_ir_graph must be set. */
void mark_Block_block_visited(ir_node *node);
-int Block_not_block_visited(const ir_node *node);
int Block_block_visited(const ir_node *node);
#ifdef INTERPROCEDURAL_VIEW
void add_End_keepalive(ir_node *end, ir_node *ka);
/** Set the Keep alive node at position pos. */
void set_End_keepalive(ir_node *end, int pos, ir_node *ka);
-/** Set new keep-alives. */
+
+/**
+ * Set new keep-alives.
+ * Beware: This might be an expensive operation if dynamic edges are enabled,
+ * so avoid it in the backend.
+ */
void set_End_keepalives(ir_node *end, int n, ir_node *in[]);
-/** Set new keep-alives from old keep-alives, skipping irn. */
+
+/** Remove irn from the keep-alive set. */
void remove_End_keepalive(ir_node *end, ir_node *irn);
/** Some parts of the End node are allocated separately -- their memory
void set_SymConst_kind(ir_node *node, symconst_kind num);
/** Only to access SymConst of kind type_tag or size. Else assertion: */
-ir_type *get_SymConst_type(ir_node *node);
+ir_type *get_SymConst_type(const ir_node *node);
void set_SymConst_type(ir_node *node, ir_type *tp);
/** Only to access SymConst of kind addr_name. Else assertion: */
ir_node *get_Add_right(const ir_node *node);
void set_Add_right(ir_node *node, ir_node *right);
+ir_node *get_Carry_left(const ir_node *node);
+void set_Carry_left(ir_node *node, ir_node *left);
+ir_node *get_Carry_right(const ir_node *node);
+void set_Carry_right(ir_node *node, ir_node *right);
+
ir_node *get_Sub_left(const ir_node *node);
void set_Sub_left(ir_node *node, ir_node *left);
ir_node *get_Sub_right(const ir_node *node);
long get_Proj_proj(const ir_node *node);
void set_Proj_proj(ir_node *node, long proj);
+/**
+ * Returns non-zero if a node is a routine parameter.
+ *
+ * @param node the Proj node to test
+ */
+int is_arg_Proj(const ir_node *node);
+
ir_node **get_Tuple_preds_arr(ir_node *node);
int get_Tuple_n_preds(const ir_node *node);
ir_node *get_Tuple_pred(const ir_node *node, int pos);
void set_Confirm_cmp(ir_node *node, pn_Cmp cmp);
/*
- * Mux Support: Note that Psi nodes with one condition can be handled
- * like Mux nodes, and the access functions work as expected.
+ * Mux Support
*/
ir_node *get_Mux_sel(const ir_node *node);
void set_Mux_sel(ir_node *node, ir_node *sel);
ir_node *get_Mux_true(const ir_node *node);
void set_Mux_true(ir_node *node, ir_node *ir_true);
-ir_node *get_Psi_cond(const ir_node *node, int pos);
-void set_Psi_cond(ir_node *node, int pos, ir_node *cond);
-ir_node *get_Psi_val(const ir_node *node, int pos);
-void set_Psi_val(ir_node *node, int pos, ir_node *val);
-ir_node *get_Psi_default(const ir_node *node);
-void set_Psi_default(ir_node *node, ir_node *val);
-int get_Psi_n_conds(const ir_node *node);
-
/**
* Projection numbers for result of CopyB node: use for Proj nodes!
*/
/** Returns corresponding operand of Tuple if node is a Proj from
a Tuple. */
ir_node *skip_Tuple(ir_node *node);
-/** returns operand of node if node is a Cast. */
+/** Returns operand of node if node is a Cast. */
ir_node *skip_Cast(ir_node *node);
+const ir_node *skip_Cast_const(const ir_node *node);
+/** Returns operand of node if node is a Pin. */
+ir_node *skip_Pin(ir_node *node);
/** Returns operand of node if node is a Confirm */
ir_node *skip_Confirm(ir_node *node);
/** Skip all high-level Operations (including Cast, Confirm). */
int is_Quot(const ir_node *node);
/** Returns true if node is an Add node. */
int is_Add(const ir_node *node);
+/** Returns true if node is a Carry node. */
+int is_Carry(const ir_node *node);
/** Returns true if node is an And node. */
int is_And(const ir_node *node);
/** Returns true if node is an Or node. */
int is_Shrs(const ir_node *node);
/** Returns true if node is a Rotl node. */
int is_Rotl(const ir_node *node);
-/** Returns true if node is a Psi node. */
-int is_Psi(const ir_node *node);
/** Returns true if node is an Id node. */
int is_Id(const ir_node *node);
/** Returns true if node is a Tuple node. */
int is_Mul(const ir_node *node);
/** Returns true if node is a Mulh node. */
int is_Mulh(const ir_node *node);
-/** Returns true if node is a Mux node or a Psi with only one condition. */
+/** Returns true if node is a Mux node. */
int is_Mux(const ir_node *node);
/** Returns true if node is a Load node. */
int is_Load(const ir_node *node);
*/
dbg_info *get_irn_dbg_info(const ir_node *n);
-/*-----------------------------------------------------------------*/
-/** Debug aides **/
-/*-----------------------------------------------------------------*/
-
-
-/** Debug print the node.
+/**
+ * Calculate a hash value of a node. Only inputs, mode and opcode are used.
*
- * Writes the node, all its attributes and the predecessors to stdout if DEBUG_libfirm
- * is set. Else does nothing. */
-void dump_irn(const ir_node *n);
+ * @param node the node to hash
+ */
+unsigned firm_default_hash(const ir_node *node);
/*@}*/ /* end of ir_node group definition */
projects / libfirm / blobdiff