# ifndef _IRNODE_H_
# define _IRNODE_H_
+#include <stddef.h>
+
/**
* Projection numbers of compare: use for Proj nodes!
* @remark there are numbers with normalized names below!
* Get the n-th predecessor of a node.
* This function removes Id predecessors.
*/
-ir_node *get_irn_n (ir_node *node, int n);
-ir_node *get_irn_intra_n (ir_node *node, int n);
-ir_node *get_irn_inter_n (ir_node *node, int n);
+ir_node *get_irn_n (const ir_node *node, int n);
+ir_node *get_irn_intra_n (const ir_node *node, int n);
+ir_node *get_irn_inter_n (const ir_node *node, int n);
/** Replace the n-th predecessor of a node with a new one. */
void set_irn_n (ir_node *node, int n, ir_node *in);
/** Returns the ir_graph this node belongs to. Only valid if irg
* is in state op_pin_state_pinned (irg is only stored in the block. */
-ir_graph *get_irn_irg (ir_node *node);
+ir_graph *get_irn_irg (const ir_node *node);
/** Outputs a unique number for this node if libFIRM is compiled for
debugging, (configure with --enable-debug) else returns address
* To express the difference to access routines that work for all
* nodes we use infix "nodes" and do not name this function
* get_irn_block. */
-ir_node *get_nodes_block (ir_node *node);
+ir_node *get_nodes_block (const ir_node *node);
/** Sets the Block of a node. */
void set_nodes_block (ir_node *node, ir_node *block);
void set_Block_matured (ir_node *node, bool matured);
unsigned long get_Block_block_visited (ir_node *node);
void set_Block_block_visited (ir_node *node, unsigned long visit);
+ir_node *set_Block_dead(ir_node *block);
+int is_Block_dead(const ir_node *block);
+
/* For this current_ir_graph must be set. */
void mark_Block_block_visited(ir_node *node);
int Block_not_block_visited(ir_node *node);
We differ two flavours of this Cond. The first, the dense Cond, passes
control along output i if the selector value is i, 0 <= i <= n. If the
selector value is >n it passes control along output n.
- The second Cond flavor differes in the treatment of cases not specified in
+ The second Cond flavor diffirences in the treatment of cases not specified in
the source program. It magically knows about the existence of Proj nodes.
It only passes control along output i, 0 <= i <= n, if a node Proj(Cond, i)
exists. Else it passes control along output n (even if this Proj does not
*/
typedef enum {
pn_Quot_M, /**< Memory result. */
- pn_Quot_X_except, /**< Execution result if exception occured. */
+ pn_Quot_X_except, /**< Execution result if exception occurred. */
pn_Quot_res, /**< Result of computation. */
pn_Quot_max /**< number of projections from a Quot */
} pn_Quot; /* Projection numbers for Quot. */
*/
typedef enum {
pn_DivMod_M, /**< Memory result. */
- pn_DivMod_X_except, /**< Execution result if exception occured. */
+ pn_DivMod_X_except, /**< Execution result if exception occurred. */
pn_DivMod_res_div, /**< Result of computation a / b. */
pn_DivMod_res_mod, /**< Result of computation a % b. */
pn_DivMod_max /**< number of projections from a DivMod */
*/
typedef enum {
pn_Div_M, /**< Memory result. */
- pn_Div_X_except, /**< Execution result if exception occured. */
+ pn_Div_X_except, /**< Execution result if exception occurred. */
pn_Div_res /**< Result of computation. */
} pn_Div; /* Projection numbers for Div. */
*/
typedef enum {
pn_Mod_M, /**< Memory result. */
- pn_Mod_X_except, /**< Execution result if exception occured. */
+ pn_Mod_X_except, /**< Execution result if exception occurred. */
pn_Mod_res, /**< Result of computation. */
pn_Mod_max /**< number of projections from a Mod */
} pn_Mod; /* Projection numbers for Mod. */
/* Does Cast need a mem operator?
* Cast should only depend on the type, not on the state of an
- * entity. But: we initialze various fields after Alloc, that
+ * entity. But: we initialize various fields after Alloc, that
* are accessed in the cast. This required some precaution, to
* get the right memory into the Loads generated from the cast.
*/
/** Returns true if n is Phi or Filter in interprocedural_view.
Returns false if irg in phase building and the Phi has zero
predecessors: it's a Phi0. */
-int is_Phi (ir_node *n);
+int is_Phi (const ir_node *n);
/** Returns true if irg in phase building and the Phi has zero
predecessors: it's a Phi0. */
-int is_Phi0 (ir_node *n);
+int is_Phi0 (const ir_node *n);
/* These routines also work for Filter nodes in interprocedural view. */
ir_node **get_Phi_preds_arr (ir_node *node);
int get_Phi_n_preds (ir_node *node);
*/
typedef enum {
pn_Load_M, /**< Memory result. */
- pn_Load_X_except, /**< Execution result if exception occured. */
+ pn_Load_X_except, /**< Execution result if exception occurred. */
pn_Load_res, /**< Result of load operation. */
pn_Load_max /**< number of projections from a Load */
} pn_Load; /* Projection numbers for Load. */
*/
typedef enum {
pn_Store_M, /**< Memory result. */
- pn_Store_X_except, /**< Execution result if exception occured. */
+ pn_Store_X_except, /**< Execution result if exception occurred. */
pn_Store_max /**< number of projections from a Store */
} pn_Store; /* Projection numbers for Store. */
*/
typedef enum {
pn_Alloc_M, /**< Memory result. */
- pn_Alloc_X_except, /**< Execution result if exception occured. */
+ pn_Alloc_X_except, /**< Execution result if exception occurred. */
pn_Alloc_res, /**< Result of allocation. */
pn_Alloc_max /**< number of projections from an Alloc */
} pn_Alloc; /* Projection numbers for Alloc. */
pn_Cmp get_Confirm_cmp (ir_node *node);
void set_Confirm_cmp (ir_node *node, pn_Cmp cmp);
+ir_node *get_Mux_sel (ir_node *node);
+void set_Mux_sel (ir_node *node, ir_node *sel);
+ir_node *get_Mux_false (ir_node *node);
+void set_Mux_false (ir_node *node, ir_node *ir_false);
+ir_node *get_Mux_true (ir_node *node);
+void set_Mux_true (ir_node *node, ir_node *ir_true);
+
+
/*
*
* NAME Auxiliary routines
* operation: Cond. */
int is_forking_op(const ir_node *node);
+/**
+ * Access custom node data.
+ * The data must have been registered with
+ * register_additional_node_data() before.
+ * @param node The ir node to get the data from.
+ * @param type The type of the data you registered.
+ * @param off The value returned by register_additional_node_data().
+ * @return A pointer of type @p type.
+ */
+#define get_irn_data(node,type,off) \
+ (assert(off > 0 && "Invalid node data offset"), (type *) ((char *) (node) - (off)))
+
+/**
+ * Get the pointer to the node some custom data belongs to.
+ * @param data The pointer to the custom data.
+ * @param off The number as returned by register_additional_node_data().
+ * @return A pointer to the ir node the custom data belongs to.
+ */
+#define get_irn_data_base(data,off) \
+ (assert(off > 0 && "Invalid node data offset"), (ir_node *) ((char *) (data) + (off)))
+
+/**
+ * Request additional data to be allocated with an ir node.
+ * @param size The size of the additional data required.
+ * @return A positive number, if the operation was successful, which
+ * must be passed to the access macro get_irn_data(), 0 if the
+ * registration failed.
+ */
+unsigned register_additional_node_data(unsigned size);
+
+
/*-----------------------------------------------------------------*/
/** Debug aides **/
/*-----------------------------------------------------------------*/
projects / libfirm / blobdiff