/* * Copyright (C) 1995-2008 University of Karlsruhe. All right reserved. * * This file is part of libFirm. * * This file may be distributed and/or modified under the terms of the * GNU General Public License version 2 as published by the Free Software * Foundation and appearing in the file LICENSE.GPL included in the * packaging of this file. * * Licensees holding valid libFirm Professional Edition licenses may use * this file in accordance with the libFirm Commercial License. * Agreement provided with the Software. * * This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE * WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR * PURPOSE. */ /** * @file * @brief Representation of an intermediate operation. * @author Martin Trapp, Christian Schaefer, Goetz Lindenmaier, Michael Beck */ #ifndef FIRM_IR_IRNODE_H #define FIRM_IR_IRNODE_H #include #include "firm_common.h" #include "typerep.h" #include "irop.h" #include "irmode.h" #include "begin.h" #include "nodeops.h" /** * @defgroup ir_node Declarations of an ir node. * * The type definition of ir_node is also in irgraph.h to resolve * recursion between irnode.h and irgraph.h * * ir_node - a datatype representing a Firm node * * The common fields are: * * - arity - The number of predecessors in the Firm graph. * - in - A list with the predecessors in the Firm graph. There are * routines to access individual elements and to obtain the * array. The method returning the array should not be used. * - mode - The mode of the node. There are routines to get the mode * but also to access the mode's fields directly. * - opcode - The opcode of the node. There are routines to get the opcode * but also to access the opcode's fields directly. * - node_nr - A unique number for the node. Available only if debugging * is turned on. * @{ */ /** * Checks whether a pointer points to a ir node. This is guessed by looking * at the few bytes of the thing. Most things used in firm have a firm_kind * attribute there. This function might falsely return true though for things * without a firm_kind at the beginning. * * @param thing an arbitrary pointer * @return non-zero if the thing is a ir mode, else zero */ FIRM_API int is_ir_node(const void *thing); /** * Returns the number of predecessors without the block predecessor. * * @param node the IR-node */ FIRM_API int get_irn_arity(const ir_node *node); /** * Get the n-th predecessor of a node. * This function removes Id predecessors. */ FIRM_API ir_node *get_irn_n(const ir_node *node, int n); /** * Replaces the old in array by a new one that will contain the ins given in * the parameters. Conserves the block predecessor. It copies the array passed. * This function is necessary to adjust in arrays of blocks, calls and phis. * Assumes that current_ir_graph is set to the graph containing "node". * "in" must contain all predecessors except the block that are required for * the nodes opcode. */ FIRM_API void set_irn_in(ir_node *node, int arity, ir_node *in[]); /** * 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). */ FIRM_API 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. */ FIRM_API void add_irn_deps(ir_node *tgt, ir_node *src); /** * Get the length of the dependency array. * @param node The node. * @return The length of the dependency array or 0 if it has not yet been allocated. */ FIRM_API int get_irn_deps(const ir_node *node); /** * Get an entry of the dependency array. * @param node The node. * @param pos The position. * @return The node at that position. */ FIRM_API ir_node *get_irn_dep(const ir_node *node, int pos); /** * Set an entry of the dependency array. * @param node The node. * @param pos The position. * @param dep The dependency target. */ FIRM_API void set_irn_dep(ir_node *node, int pos, ir_node *dep); /** Replace the n-th predecessor of a node with a new one. */ FIRM_API void set_irn_n(ir_node *node, int n, ir_node *in); /** * Appends a new predecessor to a node. This only works for nodes with * variable arity! * @returns the number of the new input */ FIRM_API int add_irn_n(ir_node *node, ir_node *in); /** Remove predecessor i from Sync n */ FIRM_API void del_Sync_n(ir_node *n, int i); /** Sets the mode struct of node. */ FIRM_API void set_irn_mode(ir_node *node, ir_mode *mode); /** Gets the mode struct of a node. */ FIRM_API ir_mode *get_irn_mode(const ir_node *node); /** Gets the opcode struct of the node. */ FIRM_API ir_op *get_irn_op(const ir_node *node); /** Sets the opcode struct of the node. */ FIRM_API void set_irn_op(ir_node *node, ir_op *op); /** Gets the opcode-enum of the node. */ FIRM_API unsigned get_irn_opcode(const ir_node *node); /** Get the string representation of the opcode. */ FIRM_API const char *get_irn_opname(const ir_node *node); /** Get the ident for a string representation of the opcode. */ FIRM_API ident *get_irn_opident(const ir_node *node); /** If arg is an argument of the node, returns its position, -1 otherwise */ FIRM_API int get_irn_pred_pos(ir_node *node, ir_node *arg); /** Gets the visited counter of a node. */ FIRM_API ir_visited_t get_irn_visited(const ir_node *node); /** Sets the visited counter of a node. */ FIRM_API void set_irn_visited(ir_node *node, ir_visited_t visited); /** Sets visited to get_irg_visited(current_ir_graph). */ FIRM_API void mark_irn_visited(ir_node *node); /** Returns 1 if visited >= get_irg_visited(current_ir_graph). */ FIRM_API int irn_visited(const ir_node *node); /** Returns 1 if visited >= get_irg_visited(current_ir_graph). Marks the node * visited, if it was not. */ FIRM_API int irn_visited_else_mark(ir_node *node); /** * Sets the link of a node. * Only allowed if the graph is NOT in phase_building. */ FIRM_API void set_irn_link(ir_node *node, void *link); /** Returns the link of a node. */ FIRM_API void *get_irn_link(const ir_node *node); /** Returns the ir_graph this node belongs to. */ FIRM_API 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 of node cast to long. */ FIRM_API long get_irn_node_nr(const ir_node *node); /** Returns the pinned state of a node. * * Returns whether the node _always_ must be pinned. * I.e., the node is not floating after global cse. * * @returns Either state op_pin_state_pinned or op_pin_state_floats. */ FIRM_API op_pin_state get_irn_pinned(const ir_node *node); /** Set pin state for nodes with op pin state op_pin_state_exc_pinned */ FIRM_API void set_irn_pinned(ir_node *node, op_pin_state state); /** Returns whether the node is currently pinned. * * If get_irn_pinned returns op_pin_state_floats and the graph the * node belongs to is in state op_poin_state_floats then this function * returns 'floats', else 'pinned'. */ FIRM_API op_pin_state is_irn_pinned_in_irg(const ir_node *node); /** * IR node constructor. * Create a new IR node in irg, with an op, mode, arity and * some incoming IR nodes. * This constructor is used in every specific IR node constructor. * * @param db Debug info. * @param irg IR-graph on with this new node should be constructed. * @param block The block the new node belongs to * @param op The opcode of the new node. * @param mode The mode of the new node. * @param arity The arity of the new node, <0 if can be changed dynamically. * @param in An array of arity predecessor nodes. */ FIRM_API ir_node *new_ir_node(dbg_info *db, ir_graph *irg, ir_node *block, ir_op *op, ir_mode *mode, int arity, ir_node *const *in); /** * Return the block the node belongs to. This is only * possible for pinned nodes or if the graph is in pinned state. * Otherwise the block may be incorrect. This condition is * now checked by an assertion. * * This works for all except Block. It can return Blocks or the Bad node. * * 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(). */ FIRM_API ir_node *get_nodes_block(const ir_node *node); /** Sets the Block of a node. */ FIRM_API void set_nodes_block(ir_node *node, ir_node *block); /** Test whether arbitrary node is frame pointer. * * Test whether arbitrary node is frame pointer, i.e. Proj(pn_Start_P_frame_base) * from Start. If so returns frame type, else Null. */ FIRM_API ir_type *is_frame_pointer(const ir_node *n); /** Return the number of control flow predecessors of a block. */ FIRM_API int get_Block_n_cfgpreds(const ir_node *block); /** Return the control flow predecessor of a block at a given position. */ FIRM_API ir_node *get_Block_cfgpred(const ir_node *block, int pos); /** Set the control flow predecessor of a block at a given position. */ FIRM_API void set_Block_cfgpred(ir_node *block, int pos, ir_node *pred); /** * Return the position of the predecessor block pred in the inputs * of the block block. * * @param block the block * @param pred a predecessor block of block * * @return the position of pred in block or -1 * * @note When using the old extended basic block form for blocks * with exception exists, a predecessor block might have more * than one position. In that case it is not specified, with is returned. */ FIRM_API int get_Block_cfgpred_pos(const ir_node *block, const ir_node *pred); /** Get the predecessor block. * * Returns the block corresponding to the predecessor pos of block. * * There are several ambiguities we resolve with this function: * - The direct predecessor can be a Proj, which is not pinned. * We walk from the predecessor to the next pinned node * (skip_Proj) and return the block that node is in. * - If we encounter the Bad node, this function does not return * Start block, but the Bad node. */ FIRM_API ir_node *get_Block_cfgpred_block(const ir_node *node, int pos); /** Return the matured flag of a block */ FIRM_API int get_Block_matured(const ir_node *block); /** set the matured flag of a block. */ FIRM_API void set_Block_matured(ir_node *block, int matured); /** A visited flag only for block nodes. * @see also: get_irn_visited() inc_irg_visited() inc_irg_block_visited()*/ FIRM_API ir_visited_t get_Block_block_visited(const ir_node *block); /** set block visited flag */ FIRM_API void set_Block_block_visited(ir_node *block, ir_visited_t visit); /** mark a block as visited by setting its visited counter */ FIRM_API void mark_Block_block_visited(ir_node *node); /** returns 1 if a block is marked as visited */ FIRM_API int Block_block_visited(const ir_node *node); /** Returns the extended basic block a block belongs to. */ FIRM_API ir_extblk *get_Block_extbb(const ir_node *block); /** Sets the extended basic block a block belongs to. */ FIRM_API void set_Block_extbb(ir_node *block, ir_extblk *extblk); /** Returns the ir_graph this Block belongs to. */ FIRM_API ir_graph *get_Block_irg(const ir_node *block); /** Returns the entity for a Block (creating it if necessary) */ FIRM_API ir_entity *create_Block_entity(ir_node *block); /** Gets the head of the Phi list for this block. */ FIRM_API ir_node *get_Block_phis(const ir_node *block); /** Sets the head of the Phi list for this block. */ FIRM_API void set_Block_phis(ir_node *block, ir_node *phi); /** Add a Phi node to the list of Block Phi's. */ FIRM_API void add_Block_phi(ir_node *block, ir_node *phi); /** Get the Block mark (single bit). */ FIRM_API unsigned get_Block_mark(const ir_node *block); /** Set the Block mark (single bit). */ FIRM_API void set_Block_mark(ir_node *block, unsigned mark); /** Return the number of Keep alive node. */ FIRM_API int get_End_n_keepalives(const ir_node *end); /** Return the Keep alive node a position pos. */ FIRM_API ir_node *get_End_keepalive(const ir_node *end, int pos); /** Keep alive dedicated nodes. These must be either PhiM or Block nodes. */ FIRM_API void add_End_keepalive(ir_node *end, ir_node *ka); /** Set the Keep alive node at position pos. */ FIRM_API void set_End_keepalive(ir_node *end, int pos, ir_node *ka); /** * Set new keep-alives. * Beware: This might be an expensive operation if dynamic edges are enabled, * so avoid it in the backend. */ FIRM_API void set_End_keepalives(ir_node *end, int n, ir_node *in[]); /** Remove irn from the keep-alive set. */ FIRM_API void remove_End_keepalive(ir_node *end, ir_node *irn); /** Remove Bads, NoMem and doublets from the keep-alive set. */ FIRM_API void remove_End_Bads_and_doublets(ir_node *end); /** Some parts of the End node are allocated separately -- their memory is not recovered by dead_node_elimination if a End node is dead. free_End() frees these data structures. */ FIRM_API void free_End(ir_node *end); FIRM_API ir_node **get_Return_res_arr(ir_node *node); FIRM_API size_t get_Return_n_ress(const ir_node *node); FIRM_API ir_node *get_Return_res(const ir_node *node, int pos); FIRM_API void set_Return_res(ir_node *node, int pos, ir_node *res); /** Return non-zero if the given Const node represents the 0 constant. */ FIRM_API int is_Const_null(const ir_node *node); /** Return non-zero if the given Const node represents the 1 constant. */ FIRM_API int is_Const_one(const ir_node *node); /** Return non-zero if the given Const node represents the constant with all bits set. */ FIRM_API int is_Const_all_one(const ir_node *node); /** Returns true if a node is a Conv node with strict attribute set. */ FIRM_API int is_strictConv(const ir_node *node); /** Returns true if node is a SymConst node with kind symconst_addr_ent. */ FIRM_API int is_SymConst_addr_ent(const ir_node *node); /** Returns non-zero if s symconst kind has a type attribute */ #define SYMCONST_HAS_TYPE(kind) ((kind) <= symconst_type_align) /** Returns non-zero if s symconst kind has an entity attribute */ #define SYMCONST_HAS_ENT(kind) ((kind) == symconst_addr_ent || (kind) == symconst_ofs_ent) /** Returns non-zero if s symconst kind has an enum_const attribute */ #define SYMCONST_HAS_ENUM(kind) ((kind) == symconst_enum_const) /** Get the kind of the SymConst. */ FIRM_API symconst_kind get_SymConst_kind(const ir_node *node); /** Set the kind of the SymConst. */ FIRM_API void set_SymConst_kind(ir_node *node, symconst_kind num); /** Only to access SymConst of kind type_size. Else assertion: */ FIRM_API ir_type *get_SymConst_type(const ir_node *node); FIRM_API void set_SymConst_type(ir_node *node, ir_type *tp); /** Only to access SymConst of kind addr_ent. Else assertion: */ FIRM_API ir_entity *get_SymConst_entity(const ir_node *node); FIRM_API void set_SymConst_entity(ir_node *node, ir_entity *ent); /** Only to access SymConst of kind symconst_enum_const. Else assertion: */ FIRM_API ir_enum_const *get_SymConst_enum(const ir_node *node); FIRM_API void set_SymConst_enum(ir_node *node, ir_enum_const *ec); FIRM_API union symconst_symbol get_SymConst_symbol(const ir_node *node); FIRM_API void set_SymConst_symbol(ir_node *node, union symconst_symbol sym); FIRM_API ir_node **get_Sel_index_arr(ir_node *node); FIRM_API int get_Sel_n_indexs(const ir_node *node); FIRM_API ir_node *get_Sel_index(const ir_node *node, int pos); FIRM_API void set_Sel_index(ir_node *node, int pos, ir_node *index); FIRM_API ir_node **get_Call_param_arr(ir_node *node); /** Gets the number of parameters of a call. */ FIRM_API size_t get_Call_n_params(const ir_node *node); /** Gets the call parameter at position pos. */ FIRM_API ir_node *get_Call_param(const ir_node *node, int pos); /** Sets the call parameter at position pos. */ FIRM_API void set_Call_param(ir_node *node, int pos, ir_node *param); /** Set, get and remove the callee information for a Call node. * * The callee information lists all method entities that can be called * from this node. If the address expression can not be analyzed fully, * e.g., as entities can be called that are not in the compilation unit, * the array contains the unknown_entity. The array contains only entities * with peculiarity_existent, but with all kinds of visibility. The entities * not necessarily contain an irg. * * The array is only accessible if callee information is valid. See flag * in graph. * * The memory allocated for the array is managed automatically, i.e., it must * not be freed if the Call node is removed from the graph. * * @param node A Call node. */ FIRM_API int Call_has_callees(const ir_node *node); FIRM_API size_t get_Call_n_callees(const ir_node *node); FIRM_API ir_entity *get_Call_callee(const ir_node *node, size_t pos); /** Set the full callee array. * * The passed array is copied. Assumes current_ir_graph set properly! */ FIRM_API void set_Call_callee_arr(ir_node *node, size_t n, ir_entity **arr); FIRM_API void remove_Call_callee_arr(ir_node *node); FIRM_API ir_node **get_Builtin_param_arr(ir_node *node); /** Gets the number of parameters of a Builtin. */ FIRM_API int get_Builtin_n_params(const ir_node *node); /** Gets the Builtin parameter at position pos. */ FIRM_API ir_node *get_Builtin_param(const ir_node *node, int pos); /** Sets the Builtin parameter at position pos. */ FIRM_API void set_Builtin_param(ir_node *node, int pos, ir_node *param); /** Returns a human readable string for the ir_builtin_kind. */ FIRM_API const char *get_builtin_kind_name(ir_builtin_kind kind); FIRM_API int is_unop(const ir_node *node); FIRM_API ir_node *get_unop_op(const ir_node *node); FIRM_API void set_unop_op(ir_node *node, ir_node *op); FIRM_API int is_binop(const ir_node *node); FIRM_API ir_node *get_binop_left(const ir_node *node); FIRM_API void set_binop_left(ir_node *node, ir_node *left); FIRM_API ir_node *get_binop_right(const ir_node *node); FIRM_API void set_binop_right(ir_node *node, ir_node *right); /** * Test wether a node is the X_except Proj of a fragile operation */ FIRM_API int is_x_except_Proj(const ir_node *node); /** * Test wether a node is the X_regular Proj of a fragile operation */ FIRM_API int is_x_regular_Proj(const ir_node *node); /** * Set throws exception attribute of a fragile node * @p throws_exception must be 0 or 1 */ FIRM_API void ir_set_throws_exception(ir_node *node, int throws_exception); /** * Returns throws_exception attribute of a fragile node */ FIRM_API int ir_throws_exception(const ir_node *node); /** returns the name of an ir_relation */ FIRM_API const char *get_relation_string(ir_relation relation); /** Calculates the negated (Complement(R)) relation, i.e. "<" --> ">=" */ FIRM_API ir_relation get_negated_relation(ir_relation relation); /** Calculates the inversed (R^-1) relation, i.e., "<" --> ">" */ FIRM_API ir_relation get_inversed_relation(ir_relation relation); /** Checks for upcast. * * Returns true if the Cast node casts a class type to a super type. * Works also for pointers to classes (recursively). * * Needs typeinfo calculated. */ FIRM_API int is_Cast_upcast(ir_node *node); /** Checks for downcast. * * Returns true if the Cast node casts a class type to a sub type. * Works also for pointers to classes (recursively). * * Needs typeinfo calculated. */ FIRM_API int is_Cast_downcast(ir_node *node); /** Returns true if irg in phase phase_building and the Phi has zero predecessors. It's a Phi0 then. */ FIRM_API int is_Phi0(const ir_node *n); FIRM_API ir_node **get_Phi_preds_arr(ir_node *node); FIRM_API int get_Phi_n_preds(const ir_node *node); FIRM_API ir_node *get_Phi_pred(const ir_node *node, int pos); FIRM_API void set_Phi_pred(ir_node *node, int pos, ir_node *pred); /** * Returns the next element of a block phi list. */ FIRM_API ir_node *get_Phi_next(const ir_node *phi); /** * Sets the next link of a block Phi list. */ FIRM_API void set_Phi_next(ir_node *phi, ir_node *next); /** Return true if @p node is a memory operation. * * A memory operation is an operation that changes the * memory. I.e., a Load or a Store operation. * memops have a memory input and output */ FIRM_API int is_memop(const ir_node *node); FIRM_API ir_node *get_memop_mem(const ir_node *node); FIRM_API void set_memop_mem(ir_node *node, ir_node *mem); FIRM_API ir_node **get_Sync_preds_arr(ir_node *node); FIRM_API int get_Sync_n_preds(const ir_node *node); FIRM_API ir_node *get_Sync_pred(const ir_node *node, int pos); FIRM_API void set_Sync_pred(ir_node *node, int pos, ir_node *pred); FIRM_API void add_Sync_pred(ir_node *node, ir_node *pred); /** * Returns non-zero if a node is a routine parameter. * * @param node the Proj node to test */ FIRM_API int is_arg_Proj(const ir_node *node); FIRM_API ir_node **get_Tuple_preds_arr(ir_node *node); FIRM_API int get_Tuple_n_preds(const ir_node *node); FIRM_API ir_node *get_Tuple_pred(const ir_node *node, int pos); FIRM_API void set_Tuple_pred(ir_node *node, int pos, ir_node *pred); /** Return the number of input constraints for an ASM node. */ FIRM_API size_t get_ASM_n_input_constraints(const ir_node *node); /** Return the number of output constraints for an ASM node. */ FIRM_API size_t get_ASM_n_output_constraints(const ir_node *node); /** Return the number of clobbered registers for an ASM node. */ FIRM_API size_t get_ASM_n_clobbers(const ir_node *node); /** Returns operand of node if node is a Proj. */ FIRM_API ir_node *skip_Proj(ir_node *node); /** Returns operand of node if node is a Proj. */ FIRM_API const ir_node *skip_Proj_const(const ir_node *node); /** Returns operand of node if node is a Id. */ FIRM_API ir_node *skip_Id(ir_node *node); /** Returns corresponding operand of Tuple if node is a Proj from a Tuple. */ FIRM_API ir_node *skip_Tuple(ir_node *node); /** Returns operand of node if node is a Cast. */ FIRM_API ir_node *skip_Cast(ir_node *node); FIRM_API const ir_node *skip_Cast_const(const ir_node *node); /** Returns operand of node if node is a Pin. */ FIRM_API ir_node *skip_Pin(ir_node *node); /** Returns operand of node if node is a Confirm */ FIRM_API ir_node *skip_Confirm(ir_node *node); /** Skip all high-level Operations (including Cast, Confirm). */ FIRM_API ir_node *skip_HighLevel_ops(ir_node *node); /** Returns true if the operation manipulates control flow */ FIRM_API int is_cfop(const ir_node *node); /** returns true if the operation jumps to an unknown destination. * See irop_flag_unknown_jump for a detailed explanation */ FIRM_API int is_unknown_jump(const ir_node *node); /** * Returns true if the operation can change the control flow because * of an exception: Call, Div, Mod, Load, Store, Alloc, * Bad. Raise is not fragile, but a unconditional jump. */ FIRM_API int is_fragile_op(const ir_node *node); /** Returns true if the operation is a forking control flow * operation: Cond. */ FIRM_API int is_irn_forking(const ir_node *node); /** * Copies attributes stored in the old node to a new node. * Assumes both have the same opcode and sufficient size. * * @param irg The irg of the new_node (get_irn_irg on it might not work * yet) * @param old_node the node where the attributes are copied from * @param new_node node the attributes get copies to. * * This copies all essential information to the new node. It does not copy * temporal or calculated information like visited flags or results of dominance * or loop calculations */ FIRM_API void copy_node_attr(ir_graph *irg, const ir_node *old_node, ir_node *new_node); /** Return the type attribute of a node n (SymConst, Call, Alloc, Free, * Cast) or NULL.*/ FIRM_API ir_type *get_irn_type_attr(ir_node *n); /** Return the entity attribute of a node n (SymConst, Sel) or NULL. */ FIRM_API ir_entity *get_irn_entity_attr(ir_node *n); /** Returns non-zero for constant-like nodes. */ FIRM_API int is_irn_constlike(const ir_node *node); /** * Returns non-zero for nodes that are allowed to have keep-alives and * are neither Block nor PhiM. */ FIRM_API int is_irn_keep(const ir_node *node); /** * Returns non-zero for nodes that are always placed in the start block. */ FIRM_API int is_irn_start_block_placed(const ir_node *node); /** * Returns non-zero for nodes that are CSE neutral to its users. */ FIRM_API int is_irn_cse_neutral(const ir_node *node); /** Gets the string representation of the jump prediction. */ FIRM_API const char *get_cond_jmp_predicate_name(cond_jmp_predicate pred); /** * 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. */ FIRM_API unsigned firm_register_additional_node_data(unsigned size); /** * Return a pointer to the node attributes. * Needed for user-defined nodes. */ FIRM_API void *get_irn_generic_attr(ir_node *node); FIRM_API const void *get_irn_generic_attr_const(const ir_node *node); /** * Returns the unique node index for the node in its graph. * This index is used to access phase information for this node. */ FIRM_API unsigned get_irn_idx(const ir_node *node); /** * Sets the debug information of a node. * * @param n The node. * @param db The debug info. */ FIRM_API void set_irn_dbg_info(ir_node *n, dbg_info *db); /** * Returns the debug information of an node. * * @param n The node. */ FIRM_API dbg_info *get_irn_dbg_info(const ir_node *n); /** * Calculate a hash value of a node. Only inputs, mode and opcode are used. * * @param node the node to hash */ FIRM_API unsigned firm_default_hash(const ir_node *node); /** * returns a descriptive name of a node (containing type+number) */ FIRM_API const char *gdb_node_helper(void *firm_object); FIRM_API ir_switch_table *ir_new_switch_table(ir_graph *irg, size_t n_entries); FIRM_API size_t ir_switch_table_get_n_entries(const ir_switch_table *table); FIRM_API void ir_switch_table_set(ir_switch_table *table, size_t entry, ir_tarval *min, ir_tarval *max, long pn); FIRM_API ir_tarval *ir_switch_table_get_max(const ir_switch_table *table, size_t entry); FIRM_API ir_tarval *ir_switch_table_get_min(const ir_switch_table *table, size_t entry); FIRM_API long ir_switch_table_get_pn(const ir_switch_table *table, size_t entry); FIRM_API ir_switch_table *ir_switch_table_duplicate(ir_graph *irg, const ir_switch_table *table); /*@}*/ #include "end.h" #endif