2 * Copyright (C) 1995-2008 University of Karlsruhe. All right reserved.
4 * This file is part of libFirm.
6 * This file may be distributed and/or modified under the terms of the
7 * GNU General Public License version 2 as published by the Free Software
8 * Foundation and appearing in the file LICENSE.GPL included in the
9 * packaging of this file.
11 * Licensees holding valid libFirm Professional Edition licenses may use
12 * this file in accordance with the libFirm Commercial License.
13 * Agreement provided with the Software.
15 * This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
16 * WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR
22 * @brief Various irnode constructors. Automatic construction of SSA
24 * @author Martin Trapp, Christian Schaefer, Goetz Lindenmaier, Boris Boesler,
30 Ideas for improvement:
31 -# Handle construction of exceptions more comfortable:
32 Add new constructors that pass the exception region (or better the
33 Phi for the memories, the ex. region can be found from there) as parameter,
34 constructor then adds all Proj nodes and returns the pointer
35 to the Proj node that selects the result of the arithmetic operation.
36 -# Maybe hide the exception region in a global variable, especially if
37 it is always unambiguous.
43 * documentation no more supported since 2001
45 * IR node construction.
47 * This file documents all datatypes and constructors needed to
48 * build a FIRM representation of a procedure. The constructors are
49 * also implemented in this file.
51 * The documentation also gives a short manual how to use the library.
53 * For extensive documentation of FIRM see UKA Techreport 1999-14.
56 * Three kinds of nodes
57 * --------------------
59 * There are three kinds of nodes known to the IR: entities,
62 * + ir_nodes are the actual nodes of the FIRM intermediate representation.
63 * They represent operations on the data of the program and control flow
66 * + entity ==> implemented in entity.h
67 * Refers to a single entity of the compiled program, e.g. a field of a
68 * class or a method. If a method or variable can not be assigned to
69 * a method or class or the like, it is a global object.
71 * + types ==> implemented in type.h
72 * With types type information is represented. There are several type
75 * Implementation of the FIRM operations: ir_node
76 * ----------------------------------------------
78 * Ir_nodes represent operations on the data of the program and control flow
79 * operations. Examples of ir_nodes: Add, Jmp, Cmp
81 * FIRM is a dataflow graph. A dataflow graph is a directed graph,
82 * so that every node has incoming and outgoing edges. A node is
83 * executable if every input at it's incoming edges is available.
84 * Execution of the dataflow graph is started at the Start node which
85 * has no incoming edges and ends when the End node executes, even if
86 * there are still executable or not executed nodes. (Is this true,
87 * or must all executable nodes be executed?) (There are exceptions
88 * to the dataflow paradigma that all inputs have to be available
89 * before a node can execute: Phi, Block. See UKA Techreport
92 * The implementation of FIRM differs from the view as a dataflow
93 * graph. To allow fast traversion of the graph edges are
94 * implemented as C-pointers. Inputs to nodes are not ambiguous, the
95 * results can be used by several other nodes. Each input can be
96 * implemented as a single pointer to a predecessor node, outputs
97 * need to be lists of pointers to successors. Therefore a node
98 * contains pointers to it's predecessor so that the implementation is a
99 * dataflow graph with reversed edges. It has to be traversed bottom
102 * All nodes of the IR have the same basic structure. They are
103 * distinguished by a field containing the opcode.
105 * The fields of an ir_node:
107 * kind A firm_kind tag containing k_ir_node. This is useful for
108 * dynamically checking the type of a node.
110 * *op This ir_op gives the opcode as a tag and a string
111 * and the number of attributes of an ir_node. There is
112 * one statically allocated struct ir_op for each opcode.
114 * *mode The ir_mode of the operation represented by this firm
115 * node. The mode of the operation is the mode of it's
116 * result. A Firm mode is a datatype as known to the target,
117 * not a type of the source language.
119 * visit A flag for traversing the IR.
121 * **in An array with pointers to the node's predecessors.
123 * *link A pointer to an ir_node. With this pointer all Phi nodes
124 * are attached to a Block, i.e., a Block points to it's
125 * first Phi node, this node points to the second Phi node
126 * in the Block and so fourth. Used in mature_immBlock
127 * to find all Phi nodes to be matured. It's also used to
128 * annotate a node with a better, optimized version of it.
130 * attr An attr struct containing the attributes of the nodes. The
131 * attributes depend on the opcode of the node. The number
132 * of these attributes is given in op.
136 * Not yet documented. See irop.h.
140 * Not yet documented. See irmode.h.
142 * GLOBAL VARIABLES -- now also fields of ir_graph.
145 * current_ir_graph Points to the current ir_graph. All constructors for
146 * nodes add nodes to this graph.
148 * ir_visited An int used as flag to traverse the ir_graph.
150 * block_visited An int used as a flag to traverse block nodes in the
153 * Others not yet documented.
157 * CONSTRUCTOR FOR IR_GRAPH --> see irgraph.h
158 * ========================
161 * PROCEDURE TO CONSTRUCT AN IR GRAPH --> see also Firm tutorial
162 * ==================================
164 * This library supplies several interfaces to construct a FIRM graph for
166 * - A "comfortable" interface generating SSA automatically. Automatically
167 * computed predecessors of nodes need not be specified in the constructors.
168 * (new_<Node> constructurs and a set of additional routines.)
169 * - A less comfortable interface where all predecessors except the block
170 * an operation belongs to need to be specified. SSA must be constructed
171 * by hand. (new_<Node> constructors and set_cur_block()). This interface
172 * is called "block oriented". It automatically calles the local optimizations
174 * - An even less comfortable interface where the block needs to be specified
175 * explicitly. This is called the "raw" interface. (new_r_<Node>
176 * constructors). These nodes are not optimized.
178 * To use the functionality of the comfortable interface correctly the Front
179 * End needs to follow certain protocols. This is explained in the following.
180 * To build a correct IR with the other interfaces study the semantics of
181 * the firm node (See tech-reprot UKA 1999-14). For the construction of
182 * types and entities see the documentation in those modules.
184 * First the Frontend needs to decide which variables and values used in
185 * a procedure can be represented by dataflow edges. These are variables
186 * that need not be saved to memory as they cause no side effects visible
187 * out of the procedure. Often these are all compiler generated
188 * variables and simple local variables of the procedure as integers,
189 * reals and pointers. The frontend has to count and number these variables.
191 * First an ir_graph needs to be constructed with new_ir_graph. The
192 * constructor gets the number of local variables. The graph is hold in the
193 * global variable irg.
195 * Now the construction of the procedure can start. Several basic blocks can
196 * be constructed in parallel, but the code within each block needs to
197 * be constructed (almost) in program order.
199 * A global variable holds the current basic block. All (non block) nodes
200 * generated are added to this block. The current block can be set with
201 * set_cur_block(block). If several blocks are constructed in parallel block
202 * switches need to be performed constantly.
204 * To generate a Block node (with the comfortable interface), its predecessor
205 * control flow nodes need not be known. In case of cyclic control flow these
206 * can not be known when the block is constructed. With add_immBlock_pred(block,
207 * cfnode) predecessors can be added to the block. If all predecessors are
208 * added to the block mature_immBlock(b) needs to be called. Calling mature_immBlock
209 * early improves the efficiency of the Phi node construction algorithm.
210 * But if several blocks are constructed at once, mature_immBlock must only
211 * be called after performing all set_values and set_stores in the block!
212 * (See documentation of new_immBlock constructor.)
214 * The constructors of arithmetic nodes require that their predecessors
215 * are mentioned. Sometimes these are available in the Frontend as the
216 * predecessors have just been generated by the frontend. If they are local
217 * values the predecessors can be obtained from the library with a call to
218 * get_value(local_val_nr). (local_val_nr needs to be administered by
219 * the Frontend.) A call to get_value triggers the generation of Phi nodes.
220 * If an arithmetic operation produces a local value this value needs to be
221 * passed to the library by set_value(node, local_val_nr).
222 * In straight line code these two operations just remember and return the
223 * pointer to nodes producing the value. If the value passes block boundaries
224 * Phi nodes can be inserted.
225 * Similar routines exist to manage the Memory operands: set_store and
228 * Several nodes produce more than one result. An example is the Div node.
229 * Such nodes return tuples of values. From these individual values can be
230 * extracted by proj nodes.
232 * The following example illustrates the construction of a simple basic block
233 * with two predecessors stored in variables cf_pred1 and cf_pred2, containing
236 * and finally jumping to an other block. The variable a got the local_val_nr
237 * 42 by the frontend.
239 * ir_node *this_block, *cf_pred1, *cf_pred2, *a_val, *mem, *div, *res, *cf_op;
241 * this_block = new_immBlock();
242 * add_immBlock_pred(this_block, cf_pred1);
243 * add_immBlock_pred(this_block, cf_pred2);
244 * mature_immBlock(this_block);
245 * a_val = get_value(42, mode_Iu);
247 * div = new_Div(mem, a_val, a_val, mode_Iu);
248 * mem = new_Proj(div, mode_M, pn_Div_M); * for the numbers for Proj see docu *
249 * res = new_Proj(div, mode_Iu, pn_Div_res);
251 * set_value(res, 42);
254 * For further information look at the documentation of the nodes and
255 * constructors and at the paragraph COPING WITH DATA OBJECTS at the
256 * end of this documentation.
258 * The comfortable interface contains the following routines further explained
261 * ir_node *new_immBlock (void);
262 * ir_node *new_Start (void);
263 * ir_node *new_End (void);
264 * ir_node *new_Jmp (void);
265 * ir_node *new_IJmp (ir_node *tgt);
266 * ir_node *new_Cond (ir_node *c);
267 * ir_node *new_Return (ir_node *store, int arity, ir_node **in);
268 * ir_node *new_Const (tarval *con);
269 * ir_node *new_SymConst (ir_mode *mode, symconst_symbol value, symconst_kind kind);
270 * ir_node *new_simpleSel (ir_node *store, ir_node *objptr, ir_entity *ent);
271 * ir_node *new_Sel (ir_node *store, ir_node *objptr, int arity,
272 * ir_node **in, ir_entity *ent);
273 * ir_node *new_Call (ir_node *store, ir_node *callee, int arity,
274 * ir_node **in, type_method *type);
275 * ir_node *new_Add (ir_node *op1, ir_node *op2, ir_mode *mode);
276 * ir_node *new_Sub (ir_node *op1, ir_node *op2, ir_mode *mode);
277 * ir_node *new_Minus (ir_node *op, ir_mode *mode);
278 * ir_node *new_Mul (ir_node *op1, ir_node *op2, ir_mode *mode);
279 * ir_node *new_Mulh (ir_node *op1, ir_node *op2, ir_mode *mode);
280 * ir_node *new_Quot (ir_node *memop, ir_node *op1, ir_node *op2, ir_mode *mode, op_pin_state state);
281 * ir_node *new_DivMod (ir_node *memop, ir_node *op1, ir_node *op2, ir_mode *mode, op_pin_state state);
282 * ir_node *new_Div (ir_node *memop, ir_node *op1, ir_node *op2, ir_mode *mode, op_pin_state state);
283 * ir_node *new_Mod (ir_node *memop, ir_node *op1, ir_node *op2, ir_mode *mode, op_pin_state state;
284 * ir_node *new_Abs (ir_node *op, ir_mode *mode);
285 * ir_node *new_And (ir_node *op1, ir_node *op2, ir_mode *mode);
286 * ir_node *new_Or (ir_node *op1, ir_node *op2, ir_mode *mode);
287 * ir_node *new_Eor (ir_node *op1, ir_node *op2, ir_mode *mode);
288 * ir_node *new_Not (ir_node *op, ir_mode *mode);
289 * ir_node *new_Shl (ir_node *op, ir_node *k, ir_mode *mode);
290 * ir_node *new_Shr (ir_node *op, ir_node *k, ir_mode *mode);
291 * ir_node *new_Shrs (ir_node *op, ir_node *k, ir_mode *mode);
292 * ir_node *new_Rotl (ir_node *op, ir_node *k, ir_mode *mode);
293 * ir_node *new_Cmp (ir_node *op1, ir_node *op2);
294 * ir_node *new_Conv (ir_node *op, ir_mode *mode);
295 * ir_node *new_Cast (ir_node *op, ir_type *to_tp);
296 * ir_node *new_Carry (ir_node *op1, ir_node *op2, ir_mode *mode);
297 * ir_node *new_Borrow (ir_node *op1, ir_node *op2, ir_mode *mode);
298 * ir_node *new_Load (ir_node *store, ir_node *addr, ir_mode *mode, cons_flags flags);
299 * ir_node *new_Store (ir_node *store, ir_node *addr, ir_node *val, cons_flags flags);
300 * ir_node *new_Alloc (ir_node *store, ir_node *size, ir_type *alloc_type,
301 * where_alloc where);
302 * ir_node *new_Free (ir_node *store, ir_node *ptr, ir_node *size,
303 * ir_type *free_type, where_alloc where);
304 * ir_node *new_Proj (ir_node *arg, ir_mode *mode, long proj);
305 * ir_node *new_NoMem (void);
306 * ir_node *new_Mux (ir_node *sel, ir_node *ir_false, ir_node *ir_true, ir_mode *mode);
307 * ir_node *new_CopyB (ir_node *store, ir_node *dst, ir_node *src, ir_type *data_type);
308 * ir_node *new_InstOf (ir_node *store, ir_node obj, ir_type *ent);
309 * ir_node *new_Raise (ir_node *store, ir_node *obj);
310 * ir_node *new_Bound (ir_node *store, ir_node *idx, ir_node *lower, ir_node *upper);
311 * ir_node *new_Pin (ir_node *node);
313 * void add_immBlock_pred (ir_node *block, ir_node *jmp);
314 * void mature_immBlock (ir_node *block);
315 * void set_cur_block (ir_node *target);
316 * ir_node *get_value (int pos, ir_mode *mode);
317 * void set_value (int pos, ir_node *value);
318 * ir_node *get_store (void);
319 * void set_store (ir_node *store);
320 * keep_alive (ir_node ka)
322 * IR_NODES AND CONSTRUCTORS FOR IR_NODES
323 * =======================================
325 * All ir_nodes are defined by a common data structure. They are distinguished
326 * by their opcode and differ in the number of their attributes.
328 * The constructor for the block node sets current_block to itself.
329 * Const nodes are always added to the start block.
330 * All other constructors add the created node to the current_block.
331 * swich_block(block) allows to set the current block to block.
333 * Watch for my inconsistent use of input and predecessor (dataflow view)
334 * and `the node points to' (implementation view).
336 * The following description of the nodes lists four properties them if these
338 * - the parameters to the constructor
339 * - the inputs of the Firm node
340 * - the outputs of the Firm node
341 * - attributes to the node
345 * ir_node *new_immBlock (void)
346 * ----------------------------
348 * Creates a new block. When a new block is created it cannot be known how
349 * many predecessors this block will have in the control flow graph.
350 * Therefore the list of inputs can not be fixed at creation. Predecessors
351 * can be added with add_immBlock_pred (block, control flow operation).
352 * With every added predecessor the number of inputs to Phi nodes also
355 * The block can be completed by mature_immBlock(block) if all predecessors are
356 * known. If several blocks are built at once, mature_immBlock can only be called
357 * after set_value has been called for all values that are life at the end
358 * of the block. This is necessary so that Phi nodes created mature_immBlock
359 * get the right predecessors in case of cyclic dependencies. If all set_values
360 * of this block are called after maturing it and before calling get_value
361 * in some block that is control flow dependent on this block, the construction
364 * Example for faulty IR construction: (draw the graph on a paper and you'll
367 * block_before_loop = new_immBlock();
368 * set_cur_block(block_before_loop);
370 * mature_immBlock(block_before_loop);
371 * before2header = new_Jmp;
373 * loop_header = new_immBlock ();
374 * set_cur_block(loop_header);
375 * header2body - new_Jmp();
377 * loop_body = new_immBlock ();
378 * set_cur_block(loop_body);
379 * body2header = new_Jmp();
381 * add_immBlock_pred(loop_header, before2header);
382 * add_immBlock_pred(loop_header, body2header);
383 * add_immBlock_pred(loop_body, header2body);
385 * mature_immBlock(loop_header);
386 * mature_immBlock(loop_body);
388 * get_value(loop_body, x); // gets the Phi in loop_header
389 * set_value(loop_header, x); // sets the value the above get_value should
390 * // have returned!!!
392 * Mature_immBlock also fixes the number of inputs to the Phi nodes. Mature_immBlock
393 * should be called as early as possible, as afterwards the generation of Phi
394 * nodes is more efficient.
397 * There is an input for each control flow predecessor of the block.
398 * The input points to an instruction producing an output of type X.
399 * Possible predecessors: Start, Jmp, Cond, Raise or Return or any node
400 * possibly causing an exception. (Often the real predecessors are Projs.)
402 * Mode BB (R), all nodes belonging to this block should consume this output.
403 * As they are strict (except Block and Phi node) it is a necessary condition
404 * that the block node executed before any other node in this block executes.
406 * block.matured Indicates whether the block is mature.
408 * This attribute contains all local values valid in this
409 * block. This is needed to build the Phi nodes and removed
410 * if the graph is complete. This field is used by the
411 * internal construction algorithm and should not be accessed
415 * ir_node *new_Block (int arity, ir_node **in)
416 * --------------------------------------------
418 * Creates a new Block with the given list of predecessors. This block
419 * is mature. As other constructors calls optimization and vrfy for the
420 * block. If one of the predecessors is Unknown (as it has to be filled in
421 * later) optimizations are skipped. This is necessary to
422 * construct Blocks in loops. Leaving Unknown in the Block after finishing
423 * the construction may have strange effects, especially for interprocedural
424 * representation and analysis.
427 * CONTROL FLOW OPERATIONS
428 * -----------------------
430 * In each block there must be exactly one of the control flow
431 * operations Start, End, Jmp, Cond, Return or Raise. The output of a
432 * control flow operation points to the block to be executed next.
434 * ir_node *new_Start (void)
435 * -------------------------
437 * Creates a start node. Not actually needed public. There is only one such
438 * node in each procedure which is automatically created by new_ir_graph.
441 * No inputs except the block it belogns to.
443 * A tuple of 4 (5, 6) distinct values. These are labeled by the following
444 * projection numbers (pn_Start):
445 * * pn_Start_X_initial_exec mode X, points to the first block to be exe * cuted.
446 * * pn_Start_M mode M, the global store
447 * * pn_Start_P_frame_base mode P, a pointer to the base of the proce * dures stack frame.
448 * * pn_Start_P_globals mode P, a pointer to the part of the memory * containing_all_ global things.
449 * * pn_Start_T_args mode T, a tuple containing all arguments of * the procedure.
452 * ir_node *new_End (void)
453 * -----------------------
455 * Creates an end node. Not actually needed public. There is only one such
456 * node in each procedure which is automatically created by new_ir_graph.
459 * No inputs except the block it belongs to.
463 * ir_node *new_Jmp (void)
464 * -----------------------
466 * Creates a Jmp node.
469 * The block the node belongs to
471 * Control flow to the next block.
473 * ir_node *new_IJmp (ir_node *tgt)
474 * -----------------------
476 * Creates an IJmp node.
479 * The node that represents the target jump address
481 * Control flow to an unknown target, must be pinned by
484 * ir_node *new_Cond (ir_node *c)
485 * ------------------------------
487 * Creates a Cond node. There are two versions of this node.
493 * A tuple of two control flows. The first is taken if the input is
494 * false, the second if it is true.
498 * A value of mode I_u. (i)
500 * A tuple of n control flows. If the Cond's input is i, control
501 * flow will procede along output i. If the input is >= n control
502 * flow proceeds along output n.
504 * ir_node *new_Return (ir_node *store, int arity, ir_node **in)
505 * -------------------------------------------------------------
507 * The return node has as inputs the results of the procedure. It
508 * passes the control flow to the end_block.
514 * Control flow to the end block.
518 * ir_node *new_Const (tarval *con)
519 * -----------------------------------------------
521 * Creates a constant in the constant table and adds a Const node
522 * returning this value to the start block. The mode is derived
526 * *con Points to an entry in the constant table.
527 * This pointer is added to the attributes of
528 * the node (self->attr.con)
530 * No inputs except the block it belogns to.
532 * The constant value.
534 * attr.con A tarval* pointer to the proper entry in the constant
537 * ir_node *new_SymConst (ir_mode *mode,union symconst_symbol value, symconst_addr_ent kind)
538 * -----------------------------------------------------------------------------------------
540 * There are three five of symbolic constants:
541 * symconst_type_tag The symbolic constant represents a type tag.
542 * symconst_type_size The symbolic constant represents the size of a type.
543 * symconst_type_align The symbolic constant represents the alignment of a type.
544 * symconst_addr_name Information for the linker, e.g. the name of a global
546 * symconst_addr_ent The symbolic constant represents the address of an entity.
548 * To represent a pointer to an entity that is represented by an entity
549 * datastructure don't use
550 * new_SymConst((type_or_id*)get_entity_ld_ident(ent), symconst_addr_name);.
551 * Use a real const instead:
552 * new_SymConst(ent, symconst_addr_ent);
553 * This makes the Constant independent of name changes of the entity due to
557 * kind The kind of the symbolic constant: type_tag, size or link_info.
558 * *type_or_id Points to the type the tag stands for or to the type
559 * whose size is represented by the constant or to an ident
560 * representing the linkage info.
563 * No inputs except the block it belongs to.
565 * A symbolic constant.
568 * attr.i.num The symconst_addr_ent, i.e. one of
570 * -symconst_type_size
571 * -symconst_type_align
572 * -symconst_addr_name
575 * If the attr.i.num is symconst_type_tag, symconst_type_size or symconst_type_align,
576 * the node contains an attribute:
578 * attr.i.*type, a pointer to a type_class.
579 * if it is linkage_ptr_info it contains
580 * attr.i.*ptrinfo, an ident holding information for the linker.
584 * ir_node *new_simpleSel (ir_node *store, ir_node *frame, ir_entity *sel)
585 * -----------------------------------------------------------------------
588 * Selects an entity from a compound type. This entity can be a field or
592 * *store The memory in which the object the entity should be selected
594 * *frame The pointer to the object.
595 * *sel The entity to select.
598 * The memory containing the object.
599 * A pointer to the object.
600 * An unsigned integer.
602 * A pointer to the selected entity.
604 * attr.sel Pointer to the entity
607 * ir_node *new_Sel (ir_node *store, ir_node *frame, int arity, ir_node **in,
608 * --------------------------------------------------------------------------
612 * Selects a field from an array type. The entity has as owner the array, as
613 * type the arrays element type. The indices to access an array element are
617 * *store The memory in which the object the entity should be selected from
619 * *frame The pointer to the object.
620 * *arity number of array indices.
621 * *in array with index inputs to the node.
622 * *sel The entity to select.
625 * The memory containing the object.
626 * A pointer to the object.
627 * As much unsigned integer as there are array expressions.
629 * A pointer to the selected entity.
631 * attr.sel Pointer to the entity
633 * The constructors new_Sel and new_simpleSel generate the same IR nodes.
634 * simpleSel just sets the arity of the index inputs to zero.
637 * ARITHMETIC OPERATIONS
638 * ---------------------
640 * ir_node *new_Call (ir_node *store, ir_node *callee, int arity, ir_node **in,
641 * ----------------------------------------------------------------------------
645 * Creates a procedure call.
648 * *store The actual store.
649 * *callee A pointer to the called procedure.
650 * arity The number of procedure parameters.
651 * **in An array with the pointers to the parameters.
652 * The constructor copies this array.
653 * *type Type information of the procedure called.
656 * The store, the callee and the parameters.
658 * A tuple containing the eventually changed store and the procedure
661 * attr.call Contains the type information for the procedure.
664 * ir_node *new_Add (ir_node *op1, ir_node *op2, ir_mode *mode)
665 * ------------------------------------------------------------
669 * ir_node *new_Sub (ir_node *op1, ir_node *op2, ir_mode *mode)
670 * ------------------------------------------------------------
674 * ir_node *new_Minus (ir_node *op, ir_mode *mode)
675 * -----------------------------------------------
677 * Unary Minus operations on integer and floating point values.
679 * ir_node *new_Mul (ir_node *op1, ir_node *op2, ir_mode *mode)
680 * ------------------------------------------------------------
684 * ir_node *new_Mulh (ir_node *op1, ir_node *op2, ir_mode *mode)
685 * ------------------------------------------------------------
687 * Returns the high order bits of a n*n=2n multiplication.
689 * ir_node *new_Quot (ir_node *memop, ir_node *op1, ir_node *op2, ir_mode *mode, op_pin_state state)
690 * -------------------------------------------------------------------------------------------------
692 * Quot performs exact division of floating point numbers. It's mode
693 * is Tuple, the mode of the result must match the Proj mode
694 * that extracts the result of the arithmetic operations.
697 * The store needed to model exceptions and the two operands.
699 * A tuple containing a memory and a execution for modeling exceptions
700 * and the result of the arithmetic operation.
702 * ir_node *new_DivMod (ir_node *memop, ir_node *op1, ir_node *op2, ir_mode *mode, op_pin_state state)
703 * ---------------------------------------------------------------------------------------------------
705 * Performs Div and Mod on integer values.
708 * A tuple containing a memory and a execution for modeling exceptions
709 * and the two result of the arithmetic operations.
711 * ir_node *new_Div (ir_node *memop, ir_node *op1, ir_node *op2, ir_mode *mode, op_pin_state state)
712 * ------------------------------------------------------------------------------------------------
716 * ir_node *new_Mod (ir_node *memop, ir_node *op1, ir_node *op2, ir_mode *mode, op_pin_state state)
717 * ------------------------------------------------------------------------------------------------
721 * ir_node *new_Abs (ir_node *op, ir_mode *mode)
722 * ---------------------------------------------
726 * ir_node *new_And (ir_node *op1, ir_node *op2, ir_mode *mode)
727 * ------------------------------------------------------------
731 * ir_node *new_Or (ir_node *op1, ir_node *op2, ir_mode *mode)
732 * -----------------------------------------------------------
736 * ir_node *new_Eor (ir_node *op1, ir_node *op2, ir_mode *mode)
737 * ------------------------------------------------------------
741 * ir_node *new_Not (ir_node *op, ir_mode *mode)
742 * ---------------------------------------------
744 * This node constructs a constant where all bits are set to one
745 * and a Eor of this constant and the operator. This simulates a
748 * ir_node *new_Shl (ir_node *op, ir_node *k, ir_mode *mode)
749 * ---------------------------------------------------------
753 * ir_node *new_Shr (ir_node *op, ir_node *k, ir_mode *mode)
754 * ---------------------------------------------------------
756 * Logic shift right, i.e., zero extended.
759 * ir_node *new_Shrs (ir_node *op, ir_node *k, ir_mode *mode)
760 * ----------------------------------------------------------
762 * Arithmetic shift right, i.e., sign extended.
764 * ir_node *new_Rotl (ir_node *op, ir_node *k, ir_mode *mode)
765 * ---------------------------------------------------------
767 * Rotates the operand to the left by k bits.
769 * ir_node *new_Carry (ir_node *op1, ir_node *op2, ir_mode *mode)
770 * ------------------------------------------------------------
772 * Calculates the Carry value for integer addition. Used only
775 * ir_node *new_Borrow (ir_node *op1, ir_node *op2, ir_mode *mode)
776 * ------------------------------------------------------------
778 * Calculates the Borrow value for integer substraction. Used only
781 * ir_node *new_Conv (ir_node *op, ir_mode *mode)
782 * ---------------------------------------------
784 * Mode conversion. For allowed conversions see UKA Tech Report
787 * ir_node *new_Cmp (ir_node *op1, ir_node *op2)
788 * ---------------------------------------------
791 * The two values to be compared.
793 * A 16-tuple containing the results of the 16 different comparisons.
794 * The following is a list giving the comparisons and a projection
795 * number (pn_Cmp) to use in Proj nodes to extract the proper result.
799 * pn_Cmp_Le less or equal
801 * pn_Cmp_Ge greater of equal
802 * pn_Cmp_Lg less or greater
803 * pn_Cmp_Leg less, equal or greater = ordered
804 * pn_Cmp_Uo unordered
805 * pn_Cmp_Ue unordered or equal
806 * pn_Cmp_Ul unordered or less
807 * pn_Cmp_Ule unordered, less or equal
808 * pn_Cmp_Ug unordered or greater
809 * pn_Cmp_Uge unordered, greater or equal
810 * pn_Cmp_Ne unordered, less or greater = not equal
817 * In general, Phi nodes are automaitcally inserted. In some cases, if
818 * all predecessors of a block are known, an explicit Phi node constructor
819 * is needed. E.g., to construct a FIRM graph for a statement as
820 * a = (b==c) ? 2 : 5;
822 * ir_node *new_Phi (int arity, ir_node **in, ir_mode *mode)
823 * ---------------------------------------------------------
825 * Creates a Phi node. The in's order has to correspond to the order
826 * of in's of current_block. This is not checked by the library!
827 * If one of the predecessors is Unknown (as it has to be filled in
828 * later) optimizations are skipped. This is necessary to
829 * construct Phi nodes in loops. Leaving Unknown in the Phi after finishing
830 * the construction may have strange effects, especially for interprocedural
831 * representation and analysis.
834 * arity number of predecessors
835 * **in array with predecessors
836 * *mode The mode of it's inputs and output.
838 * A Phi node has as many inputs as the block it belongs to.
839 * Each input points to a definition of the same value on a
840 * different path in the control flow.
842 * The definition valid in this block.
844 * ir_node *new_Mux (ir_node *sel, ir_node *ir_false, ir_node *ir_true, ir_mode *mode)
845 * -----------------------------------------------------------------------------
847 * Creates a Mux node. This node implements the following semantic:
848 * If the sel node (which must be of mode_b) evaluates to true, its value is
849 * ir_true, else ir_false;
853 * OPERATIONS TO MANAGE MEMORY EXPLICITLY
854 * --------------------------------------
856 * ir_node *new_Load (ir_node *store, ir_node *addr, ir_mode *mode, cons_flags flags)
857 * ----------------------------------------------------------------
859 * The Load operation reads a value from memory.
862 * *store The current memory.
863 * *addr A pointer to the variable to be read in this memory.
864 * *mode The mode of the value to be loaded.
865 * flags Additional flags for alignment, volatility and pin state.
868 * The memory and a pointer to a variable in this memory.
870 * A tuple of the memory, a control flow to be taken in case of
871 * an exception and the loaded value.
873 * ir_node *new_Store (ir_node *store, ir_node *addr, ir_node *val, cons_flags flags)
874 * ----------------------------------------------------------------
876 * The Store operation writes a value to a variable in memory.
879 * The memory, a pointer to a variable in this memory and the value
880 * to write to this variable.
882 * A tuple of the changed memory and a control flow to be taken in
883 * case of an exception.
885 * ir_node *new_Alloc (ir_node *store, ir_node *size, ir_type *alloc_type,
886 * -----------------------------------------------------------------------
890 * The Alloc node allocates a new variable. It can be specified whether the
891 * variable should be allocated to the stack or to the heap.
894 * *store The memory which shall contain the new variable.
895 * ** *size The number of bytes to allocate. Old. **
896 * *size We decided that the size easily can be derived from the type.
897 * This field is for allocating arrays, i.e., it gives the multiple
898 * of the size of alloc_type to allocate memory for.
899 * *alloc_type The type of the allocated variable.
900 * where Where to allocate the variable, either heap_alloc or stack_alloc.
903 * A memory and an unsigned integer.
905 * A tuple of the changed memory, a control flow to be taken in
906 * case of an exception and the pointer to the new variable.
908 * a.where Indicates where the variable is allocated.
909 * a.*type A pointer to the class the allocated data object
912 * ir_node *new_Free (ir_node *store, ir_node *ptr, ir_node *size, ir_type *free_type,
913 * -----------------------------------------------------------------------------------
917 * The Free node frees memory of the given variable.
920 * *store The memory which shall contain the new variable.
921 * *ptr The pointer to the object to free.
922 * *size The number of objects of type free_type to free in a sequence.
923 * *free_type The type of the freed variable.
924 * where Where the variable was allocated, either heap_alloc or stack_alloc.
927 * A memory, a pointer and an unsigned integer.
929 * The changed memory.
931 * f.*type A pointer to the type information of the freed data object.
935 * ir_node *new_Sync (int arity, ir_node **in)
936 * -------------------------------------------
938 * The Sync operation unifies several partial memory blocks. These blocks
939 * have to be pairwise disjunct or the values in common locations have to
940 * be identical. This operation allows to specify all operations that eventually
941 * need several partial memory blocks as input with a single entrance by
942 * unifying the memories with a preceding Sync operation.
945 * arity The number of memories to synchronize.
946 * **in An array of pointers to nodes that produce an output of
951 * The unified memory.
957 * ir_node *new_Bad (void)
958 * -----------------------
960 * Returns the unique Bad node current_ir_graph->bad.
961 * This node is used to express results of dead code elimination.
963 * ir_node *new_NoMem (void)
964 * -----------------------------------------------------------------------------------
966 * Returns the unique NoMem node current_ir_graph->no_mem.
967 * This node is used as input for operations that need a Memory, but do not
968 * change it like Div by const != 0, analyzed calls etc.
970 * ir_node *new_Proj (ir_node *arg, ir_mode *mode, long proj)
971 * ----------------------------------------------------------
973 * Selects one entry of a tuple. This is a hidden edge with attributes.
976 * *arg A node producing a tuple.
977 * *mode The mode of the value to project.
978 * proj The position of the value in the tuple.
984 * ir_node *new_Tuple (int arity, ir_node **in)
985 * --------------------------------------------
987 * Builds a Tuple from single values. This is needed to implement
988 * optimizations that remove a node that produced a tuple. The node can be
989 * replaced by the Tuple operation so that the following Proj nodes have not to
990 * be changed. (They are hard to find due to the implementation with pointers
991 * in only one direction.) The Tuple node is smaller than any other
992 * node, so that a node can be changed into a Tuple by just changing it's
993 * opcode and giving it a new in array.
996 * arity The number of tuple elements.
997 * **in An array containing pointers to the nodes producing the
1000 * ir_node *new_Id (ir_node *val, ir_mode *mode)
1001 * ---------------------------------------------
1003 * The single output of the Id operation is it's input. Also needed
1004 * for optimizations.
1007 * HIGH LEVEL OPERATIONS
1008 * ---------------------
1010 * ir_node *new_CopyB (ir_node *store, ir_node *dst, ir_node *src, ir_type *data_type)
1011 * -----------------------------------------------------------------------------------
1013 * Describes a high level block copy of a compound type from address src to
1014 * address dst. Must be lowered to a Call to a runtime memory copy function.
1017 * HIGH LEVEL OPERATIONS: Exception Support
1018 * ----------------------------------------
1019 * See TechReport 1999-14, chapter Exceptions.
1021 * ir_node *new_InstOf(ir_node *store, ir_node *ptr, ir_type *type);
1022 * -----------------------------------------------------------------------------------
1024 * Describes a high level type check. Must be lowered to a Call to a runtime check
1027 * ir_node *new_Raise (ir_node *store, ir_node *obj)
1028 * -------------------------------------------------
1030 * Raises an exception. Unconditional change of control flow. Writes
1031 * an explicit Except variable to memory to pass it to the exception
1032 * handler. Must be lowered to a Call to a runtime check
1037 * A pointer to the Except variable.
1039 * A tuple of control flow and the changed memory state. The control flow
1040 * points to the exception handler if it is definied in this procedure,
1041 * else it points to the end_block.
1043 * ir_node *new_Bound (ir_node *store, ir_node *idx, ir_node *lower, ir_node *upper);
1044 * -----------------------------------------------------------------------------------
1046 * Describes a high level bounds check. Must be lowered to a Call to a runtime check
1049 * ir_node *new_Pin (ir_node *node);
1050 * -----------------------------------------------------------------------------------
1052 * Pin the value of the node node in the current block No users of the Pin node can
1053 * float above the Block of the Pin. The node cannot float behind this block. Often
1054 * used to Pin the NoMem node.
1057 * COPING WITH DATA OBJECTS
1058 * ========================
1060 * Two kinds of data objects have to be distinguished for generating
1061 * FIRM. First there are local variables other than arrays that are
1062 * known to be alias free. Second there are all other data objects.
1063 * For the first a common SSA representation is built, the second
1064 * are modeled by saving them to memory. The memory is treated as
1065 * a single local variable, the alias problem is hidden in the
1066 * content of this variable.
1068 * All values known in a Block are listed in the block's attribute,
1069 * block.**graph_arr which is used to automatically insert Phi nodes.
1070 * The following two functions can be used to add a newly computed value
1071 * to the array, or to get the producer of a value, i.e., the current
1074 * inline void set_value (int pos, ir_node *value)
1075 * -----------------------------------------------
1077 * Has to be called for every assignment to a local variable. It
1078 * adds the value to the array of used values at position pos. Pos
1079 * has to be a unique identifier for an entry in the procedure's
1080 * definition table. It can be used to access the value again.
1081 * Requires current_block to be set correctly.
1083 * ir_node *get_value (int pos, ir_mode *mode)
1084 * -------------------------------------------
1086 * Returns the node defining the value referred to by pos. If the
1087 * value is not defined in this block a Phi node is generated and
1088 * all definitions reaching this Phi node are collected. It can
1089 * happen that the algorithm allocates an unnecessary Phi node,
1090 * e.g. if there is only one definition of this value, but this
1091 * definition reaches the currend block on several different
1092 * paths. This Phi node will be eliminated if optimizations are
1093 * turned on right after it's creation.
1094 * Requires current_block to be set correctly.
1096 * There are two special routines for the global store:
1098 * void set_store (ir_node *store)
1099 * -------------------------------
1101 * Adds the store to the array of known values at a reserved
1103 * Requires current_block to be set correctly.
1105 * ir_node *get_store (void)
1106 * -------------------------
1108 * Returns the node defining the actual store.
1109 * Requires current_block to be set correctly.
1112 * inline void keep_alive (ir_node *ka)
1113 * ------------------------------------
1115 * Keep this node alive because it is (might be) not in the control
1116 * flow from Start to End. Adds the node to the list in the end
1120 #ifndef FIRM_IR_IRCONS_H
1121 #define FIRM_IR_IRCONS_H
1123 #include "firm_types.h"
1125 typedef enum cons_flags {
1127 cons_volatile = 1U << 0,
1128 cons_unaligned = 1U << 1,
1129 cons_floats = 1U << 2
1132 /*-------------------------------------------------------------------------*/
1133 /* The raw interface */
1134 /*-------------------------------------------------------------------------*/
1136 /** Constructor for a Block node.
1138 * Constructs a mature block with the given predecessors. Use Unknown
1139 * nodes as predecessors to construct a block if the number of
1140 * predecessors is known, but not the predecessors themselves. This
1141 * constructor does not set current_block. It not be used with
1142 * automatic Phi node construction.
1144 * @param *db A Pointer for debug information.
1145 * @param irg The IR graph the block belongs to.
1146 * @param arity The number of control predecessors.
1147 * @param in[] An array of control predecessors. The length of
1148 * the array must be 'arity'. The constructor copies this array.
1150 ir_node *new_rd_Block (dbg_info *db, ir_graph *irg, int arity, ir_node *in[]);
1152 /** Constructor for a Start node.
1154 * @param *db A pointer for debug information.
1155 * @param *irg The IR graph the node belongs to.
1156 * @param *block The IR block the node belongs to.
1158 ir_node *new_rd_Start (dbg_info *db, ir_graph *irg, ir_node *block);
1160 /** Constructor for a End node.
1162 * @param *db A pointer for debug information.
1163 * @param *irg The IR graph the node belongs to.
1164 * @param *block The IR block the node belongs to.
1166 ir_node *new_rd_End (dbg_info *db, ir_graph *irg, ir_node *block);
1168 /** Constructor for a Jmp node.
1170 * Jmp represents control flow to a single control successor.
1172 * @param *db A pointer for debug information.
1173 * @param *irg The IR graph the node belongs to.
1174 * @param *block The IR block the node belongs to.
1176 ir_node *new_rd_Jmp (dbg_info *db, ir_graph *irg, ir_node *block);
1178 /** Constructor for an IJmp node.
1180 * IJmp represents control flow to a single control successor not
1181 * statically known i.e. an indirect Jmp.
1183 * @param *db A pointer for debug information.
1184 * @param *irg The IR graph the node belongs to.
1185 * @param *block The IR block the node belongs to.
1186 * @param *tgt The IR node representing the target address.
1188 ir_node *new_rd_IJmp (dbg_info *db, ir_graph *irg, ir_node *block, ir_node *tgt);
1190 /** Constructor for a Break node.
1192 * Break represents control flow to a single control successor just as Jmp.
1193 * The blocks separated by a break may not be concatenated by an optimization.
1194 * It is used for the interprocedural representation where blocks are parted
1195 * behind Call nodes to represent the control flow to called procedures.
1197 * @param *db A pointer for debug information.
1198 * @param *irg The IR graph the node belong to.
1199 * @param *block The block the node belong to.
1201 ir_node *new_rd_Break (dbg_info *db, ir_graph *irg, ir_node *block);
1203 /** Constructor for a Cond node.
1205 * If c is mode_b represents a conditional branch (if/else). If c is
1206 * mode_Is/mode_Iu (?) represents a switch. (Allocates dense Cond
1207 * node, default Proj is 0.)
1209 * This is not consistent: Input to Cond is Is, Proj has as proj number
1212 * @param *db A pointer for debug information.
1213 * @param *irg The IR graph the node belongs to.
1214 * @param *block The IR block the node belongs to.
1215 * @param *c The conditions parameter. Can be of mode b or I_u.
1217 ir_node *new_rd_Cond (dbg_info *db, ir_graph *irg, ir_node *block, ir_node *c);
1219 /** Constructor for a Return node.
1221 * Returns the memory and zero or more return values. Only node that
1222 * can end regular control flow.
1224 * @param *db A pointer for debug information.
1225 * @param *irg The IR graph the node belongs to.
1226 * @param *block The IR block the node belongs to.
1227 * @param *store The state of memory.
1228 * @param arity Number of return values.
1229 * @param *in Array of length arity with return values. The constructor copies this array.
1231 ir_node *new_rd_Return (dbg_info *db, ir_graph *irg, ir_node *block,
1232 ir_node *store, int arity, ir_node *in[]);
1234 /** Constructor for a Const_type node.
1236 * Adds the node to the start block.
1238 * The constant represents a target value. This constructor sets high
1239 * level type information for the constant value.
1240 * Derives mode from passed tarval.
1242 * @param *db A pointer for debug information.
1243 * @param *irg The IR graph the node belongs to.
1244 * @param *con Points to an entry in the constant table.
1245 * @param *tp The type of the constant.
1247 ir_node *new_rd_Const_type (dbg_info *db, ir_graph *irg,
1248 tarval *con, ir_type *tp);
1250 /** Constructor for a Const node.
1252 * Adds the node to the start block.
1254 * Constructor for a Const node. The constant represents a target
1255 * value. Sets the type information to type_unknown. (No more
1256 * supported: If tv is entity derives a somehow useful type.)
1257 * Derives mode from passed tarval.
1259 * @param *db A pointer for debug information.
1260 * @param *irg The IR graph the node belongs to.
1261 * @param *con Points to an entry in the constant table.
1263 ir_node *new_rd_Const (dbg_info *db, ir_graph *irg, tarval *con);
1265 /** Constructor for a Const node.
1267 * Adds the node to the start block.
1269 * Constructor for a Const node. The constant represents a target
1270 * value. Sets the type information to type_unknown. (No more
1271 * supported: If tv is entity derives a somehow useful type.)
1273 * @param *db A pointer for debug information.
1274 * @param *irg The IR graph the node belongs to.
1275 * @param *mode The mode of the operands and results.
1276 * @param value A value from which the tarval is made.
1278 ir_node *new_rd_Const_long (dbg_info *db, ir_graph *irg,
1279 ir_mode *mode, long value);
1281 /** Constructor for a SymConst_type node.
1283 * This is the constructor for a symbolic constant.
1284 * There are four kinds of symbolic constants:
1285 * - type_tag The symbolic constant represents a type tag. The type the
1286 * tag stands for is given explicitly.
1287 * - type_size The symbolic constant represents the size of a type. The
1288 * type of which the constant represents the size is given
1290 * - type_align The symbolic constant represents the alignment of a type. The
1291 * type of which the constant represents the size is given
1293 * - addr_name The symbolic constant represents the address of an entity
1294 * (variable or method). The variable is indicated by a name
1295 * that is valid for linking.
1296 * - addr_ent The symbolic constant represents the address of an entity
1297 * (variable or method). The variable is given explicitly by
1300 * Inputs to the node:
1301 * No inputs except the block it belongs to.
1302 * Outputs of the node.
1303 * An unsigned integer (I_u) or a pointer (P).
1305 * Mention union in declaration so that the firmjni generator recognizes that
1306 * it can not cast the argument to an int.
1308 * @param *db A pointer for debug information.
1309 * @param *irg The IR graph the node belongs to.
1310 * @param *block The IR block the node belongs to.
1311 * @param mode The mode for the SymConst.
1312 * @param symkind The kind of the symbolic constant: type_tag, size, addr_name or addr_ent.
1313 * @param value A type, entity or a ident depending on the SymConst kind.
1314 * @param tp The source type of the constant.
1316 ir_node *new_rd_SymConst_type(dbg_info *db, ir_graph *irg, ir_node *block, ir_mode *mode,
1317 union symconst_symbol value,
1318 symconst_kind symkind, ir_type *tp);
1320 /** Constructor for a SymConst node.
1322 * Same as new_rd_SymConst_type, except that it sets the type to type_unknown.
1324 ir_node *new_rd_SymConst(dbg_info *db, ir_graph *irg, ir_node *block, ir_mode *mode,
1325 union symconst_symbol value, symconst_kind symkind);
1327 /** Constructor for a SymConst addr_ent node.
1329 * Same as new_rd_SymConst_type, except that the constructor is tailored for
1330 * symconst_addr_ent.
1331 * Adds the SymConst to the start block of irg. */
1332 ir_node *new_rd_SymConst_addr_ent(dbg_info *db, ir_graph *irg, ir_mode *mode,
1333 ir_entity *symbol, ir_type *tp);
1335 /** Constructor for a SymConst ofs_ent node.
1337 * Same as new_rd_SymConst_type, except that the constructor is tailored for
1339 * Adds the SymConst to the start block of irg.
1341 ir_node *new_rd_SymConst_ofs_ent(dbg_info *db, ir_graph *irg, ir_mode *mode,
1342 ir_entity *symbol, ir_type *tp);
1344 /** Constructor for a SymConst addr_name node.
1346 * Same as new_rd_SymConst_type, except that the constructor is tailored for
1347 * symconst_addr_ent.
1348 * Adds the SymConst to the start block of irg.
1350 ir_node *new_rd_SymConst_addr_name(dbg_info *db, ir_graph *irg, ir_mode *mode,
1351 ident *symbol, ir_type *tp);
1353 /** Constructor for a SymConst type_tag node.
1355 * Same as new_rd_SymConst_type, except that the constructor is tailored for
1356 * symconst_addr_ent.
1357 * Adds the SymConst to the start block of irg.
1359 ir_node *new_rd_SymConst_type_tag(dbg_info *db, ir_graph *irg, ir_mode *mode,
1360 ir_type *symbol, ir_type *tp);
1362 /** Constructor for a SymConst size node.
1364 * Same as new_rd_SymConst_type, except that the constructor is tailored for
1365 * symconst_type_size.
1366 * Adds the SymConst to the start block of irg. */
1367 ir_node *new_rd_SymConst_size(dbg_info *db, ir_graph *irg, ir_mode *mode,
1368 ir_type *symbol, ir_type *tp);
1370 /** Constructor for a SymConst size node.
1372 * Same as new_rd_SymConst_type, except that the constructor is tailored for
1373 * symconst_type_align.
1374 * Adds the SymConst to the start block of irg.
1376 ir_node *new_rd_SymConst_align(dbg_info *db, ir_graph *irg, ir_mode *mode,
1377 ir_type *symbol, ir_type *tp);
1379 /** Constructor for a simpleSel node.
1381 * This is a shortcut for the new_rd_Sel() constructor. To be used for
1382 * Sel nodes that do not select from an array, i.e., have no index
1383 * inputs. It adds the two parameters 0, NULL.
1385 * @param *db A pointer for debug information.
1386 * @param *irg The IR graph the node belongs to.
1387 * @param *block The IR block the node belongs to.
1388 * @param *store The memory in which the object the entity should be
1389 * selected from is allocated.
1390 * @param *objptr The object from that the Sel operation selects a
1391 * single attribute out.
1392 * @param *ent The entity to select.
1394 ir_node *new_rd_simpleSel (dbg_info *db, ir_graph *irg, ir_node *block,
1395 ir_node *store, ir_node *objptr, ir_entity *ent);
1397 /** Constructor for a Sel node.
1399 * The select node selects an entity (field or method) from an entity
1400 * with a compound type. It explicitly specifies the entity selected.
1401 * Dynamically the node may select entities that overwrite the given
1402 * entity. If the selected entity is an array element entity the Sel
1403 * node takes the required array indices as inputs.
1405 * @param *db A pointer for debug information.
1406 * @param *irg The IR graph the node belongs to.
1407 * @param *block The IR block the node belongs to.
1408 * @param *store The memory in which the object the entity should be selected
1409 * from is allocated.
1410 * @param *objptr A pointer to a compound entity the Sel operation selects a
1411 * single attribute from.
1412 * @param *n_index The number of array indices needed to select an array element entity.
1413 * @param *index[] If the compound entity is an array the indices of the selected
1414 * element entity. The constructor copies this array.
1415 * @param *ent The entity to select.
1417 ir_node *new_rd_Sel (dbg_info *db, ir_graph *irg, ir_node *block, ir_node *store,
1418 ir_node *objptr, int n_index, ir_node *index[], ir_entity *ent);
1420 /** Constructor for a Call node.
1422 * Represents all kinds of method and function calls.
1424 * @param *db A pointer for debug information.
1425 * @param *irg The IR graph the node belongs to.
1426 * @param *block The IR block the node belongs to.
1427 * @param *store The current memory state.
1428 * @param *callee A pointer to the called procedure.
1429 * @param arity The number of procedure parameters.
1430 * @param *in[] An array with the procedure parameters. The constructor copies this array.
1431 * @param *tp Type information of the procedure called.
1433 ir_node *new_rd_Call (dbg_info *db, ir_graph *irg, ir_node *block, ir_node *store,
1434 ir_node *callee, int arity, ir_node *in[], ir_type *tp);
1436 /** Constructor for a Add node.
1438 * @param *db A pointer for debug information.
1439 * @param *irg The IR graph the node belongs to.
1440 * @param *block The IR block the node belongs to.
1441 * @param *op1 The first operand.
1442 * @param *op2 The second operand.
1443 * @param *mode The mode of the operands and the result.
1445 ir_node *new_rd_Add (dbg_info *db, ir_graph *irg, ir_node *block,
1446 ir_node *op1, ir_node *op2, ir_mode *mode);
1448 /** Constructor for a Sub node.
1450 * @param *db A pointer for debug information.
1451 * @param *irg The IR graph the node belongs to.
1452 * @param *block The IR block the node belongs to.
1453 * @param *op1 The first operand.
1454 * @param *op2 The second operand.
1455 * @param *mode The mode of the operands and the result.
1457 ir_node *new_rd_Sub (dbg_info *db, ir_graph *irg, ir_node *block,
1458 ir_node *op1, ir_node *op2, ir_mode *mode);
1460 /** Constructor for a Minus node.
1462 * @param *db A pointer for debug information.
1463 * @param *irg The IR graph the node belongs to.
1464 * @param *block The IR block the node belongs to.
1465 * @param *op The operand .
1466 * @param *mode The mode of the operand and the result.
1468 ir_node *new_rd_Minus (dbg_info *db, ir_graph *irg, ir_node *block,
1469 ir_node *op, ir_mode *mode);
1471 /** Constructor for a Mul node.
1473 * @param *db A pointer for debug information.
1474 * @param *irg The IR graph the node belongs to.
1475 * @param *block The IR block the node belongs to.
1476 * @param *op1 The first operand.
1477 * @param *op2 The second operand.
1478 * @param *mode The mode of the operands and the result.
1480 ir_node *new_rd_Mul (dbg_info *db, ir_graph *irg, ir_node *block,
1481 ir_node *op1, ir_node *op2, ir_mode *mode);
1483 /** Constructor for a Mulh node.
1485 * @param *db A pointer for debug information.
1486 * @param *irg The IR graph the node belongs to.
1487 * @param *block The IR block the node belongs to.
1488 * @param *op1 The first operand.
1489 * @param *op2 The second operand.
1490 * @param *mode The mode of the operands and the result.
1492 ir_node *new_rd_Mulh (dbg_info *db, ir_graph *irg, ir_node *block,
1493 ir_node *op1, ir_node *op2, ir_mode *mode);
1495 /** Constructor for a Quot node.
1497 * @param *db A pointer for debug information.
1498 * @param *irg The IR graph the node belongs to.
1499 * @param *block The IR block the node belongs to.
1500 * @param *memop The store needed to model exceptions
1501 * @param *op1 The first operand.
1502 * @param *op2 The second operand.
1503 * @param *mode The mode of the result.
1504 * @param state The pinned state.
1506 ir_node *new_rd_Quot (dbg_info *db, ir_graph *irg, ir_node *block,
1507 ir_node *memop, ir_node *op1, ir_node *op2, ir_mode *mode, op_pin_state state);
1509 /** Constructor for a DivMod node.
1511 * @param *db A pointer for debug information.
1512 * @param *irg The IR graph the node belongs to.
1513 * @param *block The IR block the node belongs to.
1514 * @param *memop The store needed to model exceptions
1515 * @param *op1 The first operand.
1516 * @param *op2 The second operand.
1517 * @param *mode The mode of the results.
1518 * @param state The pinned state.
1520 ir_node *new_rd_DivMod (dbg_info *db, ir_graph *irg, ir_node *block,
1521 ir_node *memop, ir_node *op1, ir_node *op2, ir_mode *mode, op_pin_state state);
1523 /** Constructor for a Div node.
1525 * @param *db A pointer for debug information.
1526 * @param *irg The IR graph the node belongs to.
1527 * @param *block The IR block the node belongs to.
1528 * @param *memop The store needed to model exceptions
1529 * @param *op1 The first operand.
1530 * @param *op2 The second operand.
1531 * @param *mode The mode of the result.
1532 * @param state The pinned state.
1534 ir_node *new_rd_Div (dbg_info *db, ir_graph *irg, ir_node *block,
1535 ir_node *memop, ir_node *op1, ir_node *op2, ir_mode *mode, op_pin_state state);
1537 /** Constructor for a remainderless Div node.
1539 * @param *db A pointer for debug information.
1540 * @param *irg The IR graph the node belongs to.
1541 * @param *block The IR block the node belongs to.
1542 * @param *memop The store needed to model exceptions
1543 * @param *op1 The first operand.
1544 * @param *op2 The second operand.
1545 * @param *mode The mode of the result.
1546 * @param state The pinned state.
1548 ir_node *new_rd_DivRL (dbg_info *db, ir_graph *irg, ir_node *block,
1549 ir_node *memop, ir_node *op1, ir_node *op2, ir_mode *mode, op_pin_state state);
1551 /** Constructor for a Mod node.
1553 * @param *db A pointer for debug information.
1554 * @param *irg The IR graph the node belongs to.
1555 * @param *block The IR block the node belongs to.
1556 * @param *memop The store needed to model exceptions
1557 * @param *op1 The first operand.
1558 * @param *op2 The second operand.
1559 * @param *mode The mode of the result.
1560 * @param state The pinned state.
1562 ir_node *new_rd_Mod (dbg_info *db, ir_graph *irg, ir_node *block,
1563 ir_node *memop, ir_node *op1, ir_node *op2, ir_mode *mode, op_pin_state state);
1565 /** Constructor for a Abs node.
1567 * @param *db A pointer for debug information.
1568 * @param *irg The IR graph the node belongs to.
1569 * @param *block The IR block the node belongs to.
1570 * @param *op The operand
1571 * @param *mode The mode of the operands and the result.
1573 ir_node *new_rd_Abs (dbg_info *db, ir_graph *irg, ir_node *block,
1574 ir_node *op, ir_mode *mode);
1576 /** Constructor for a And node.
1578 * @param *db A pointer for debug information.
1579 * @param *irg The IR graph the node belongs to.
1580 * @param *block The IR block the node belongs to.
1581 * @param *op1 The first operand.
1582 * @param *op2 The second operand.
1583 * @param *mode The mode of the operands and the result.
1585 ir_node *new_rd_And (dbg_info *db, ir_graph *irg, ir_node *block,
1586 ir_node *op1, ir_node *op2, ir_mode *mode);
1588 /** Constructor for a Or node.
1590 * @param *db A pointer for debug information.
1591 * @param *irg The IR graph the node belongs to.
1592 * @param *block The IR block the node belongs to.
1593 * @param *op1 The first operand.
1594 * @param *op2 The second operand.
1595 * @param *mode The mode of the operands and the result.
1597 ir_node *new_rd_Or (dbg_info *db, ir_graph *irg, ir_node *block,
1598 ir_node *op1, ir_node *op2, ir_mode *mode);
1600 /** Constructor for a Eor node.
1602 * @param *db A pointer for debug information.
1603 * @param *irg The IR graph the node belongs to.
1604 * @param *block The IR block the node belongs to.
1605 * @param *op1 The first operand.
1606 * @param *op2 The second operand.
1607 * @param *mode The mode of the operands and the results.
1609 ir_node *new_rd_Eor (dbg_info *db, ir_graph *irg, ir_node *block,
1610 ir_node *op1, ir_node *op2, ir_mode *mode);
1612 /** Constructor for a Not node.
1614 * @param *db A pointer for debug information.
1615 * @param *irg The IR graph the node belongs to.
1616 * @param *block The IR block the node belongs to.
1617 * @param *op The operand.
1618 * @param *mode The mode of the operand and the result.
1620 ir_node *new_rd_Not (dbg_info *db, ir_graph *irg, ir_node *block,
1621 ir_node *op, ir_mode *mode);
1623 /** Constructor for a Cmp node.
1625 * @param *db A pointer for debug information.
1626 * @param *irg The IR graph the node belongs to.
1627 * @param *block The IR block the node belongs to.
1628 * @param *op1 The first operand.
1629 * @param *op2 The second operand.
1631 ir_node *new_rd_Cmp (dbg_info *db, ir_graph *irg, ir_node *block,
1632 ir_node *op1, ir_node *op2);
1634 /** Constructor for a Shl node.
1636 * @param *db A pointer for debug information.
1637 * @param *irg The IR graph the node belongs to.
1638 * @param *block The IR block the node belongs to.
1639 * @param *op The operand.
1640 * @param *k The number of bits to shift the operand .
1641 * @param *mode The mode of the operand and the result.
1643 ir_node *new_rd_Shl (dbg_info *db, ir_graph *irg, ir_node *block,
1644 ir_node *op, ir_node *k, ir_mode *mode);
1646 /** Constructor for a Shr node.
1648 * @param *db A pointer for debug information.
1649 * @param *irg The IR graph the node belongs to.
1650 * @param *block The IR block the node belongs to.
1651 * @param *op The operand.
1652 * @param *k The number of bits to shift the operand .
1653 * @param *mode The mode of the operand and the result.
1655 ir_node *new_rd_Shr (dbg_info *db, ir_graph *irg, ir_node *block,
1656 ir_node *op, ir_node *k, ir_mode *mode);
1658 /** Constructor for a Shrs node.
1660 * @param *db A pointer for debug information.
1661 * @param *irg The IR graph the node belongs to.
1662 * @param *block The IR block the node belongs to.
1663 * @param *op The operand.
1664 * @param *k The number of bits to shift the operand.
1665 * @param *mode The mode of the operand and the result.
1667 ir_node *new_rd_Shrs (dbg_info *db, ir_graph *irg, ir_node *block,
1668 ir_node *op, ir_node *k, ir_mode *mode);
1670 /** Constructor for a Rotl node.
1672 * @param *db A pointer for debug information.
1673 * @param *irg The IR graph the node belongs to.
1674 * @param *block The IR block the node belongs to.
1675 * @param *op The operand.
1676 * @param *k The number of bits to rotate the operand.
1677 * @param *mode The mode of the operand.
1679 ir_node *new_rd_Rotl (dbg_info *db, ir_graph *irg, ir_node *block,
1680 ir_node *op, ir_node *k, ir_mode *mode);
1683 /** Constructor for a Conv node.
1685 * @param *db A pointer for debug information.
1686 * @param *irg The IR graph the node belongs to.
1687 * @param *block The IR block the node belongs to.
1688 * @param *op The operand.
1689 * @param *mode The mode of this the operand muss be converted .
1691 ir_node *new_rd_Conv (dbg_info *db, ir_graph *irg, ir_node *block,
1692 ir_node *op, ir_mode *mode);
1694 /** Constructor for a Cast node.
1696 * High level type cast.
1698 * @param *db A pointer for debug information.
1699 * @param *irg The IR graph the node belongs to.
1700 * @param *block The IR block the node belongs to.
1701 * @param *op The operand.
1702 * @param *to_tp The type of this the operand muss be casted .
1704 ir_node *new_rd_Cast (dbg_info *db, ir_graph *irg, ir_node *block,
1705 ir_node *op, ir_type *to_tp);
1707 /** Constructor for a Carry node.
1709 * @param *db A pointer for debug information.
1710 * @param *irg The IR graph the node belongs to.
1711 * @param *block The IR block the node belongs to.
1712 * @param *op1 The first operand.
1713 * @param *op2 The second operand.
1714 * @param *mode The mode of the operands and the result.
1716 ir_node *new_rd_Carry (dbg_info *db, ir_graph *irg, ir_node *block,
1717 ir_node *op1, ir_node *op2, ir_mode *mode);
1719 /** Constructor for a Borrow node.
1721 * @param *db A pointer for debug information.
1722 * @param *irg The IR graph the node belongs to.
1723 * @param *block The IR block the node belongs to.
1724 * @param *op1 The first operand.
1725 * @param *op2 The second operand.
1726 * @param *mode The mode of the operands and the result.
1728 ir_node *new_rd_Borrow (dbg_info *db, ir_graph *irg, ir_node *block,
1729 ir_node *op1, ir_node *op2, ir_mode *mode);
1731 /** Constructor for a Phi node.
1733 * @param *db A pointer for debug information.
1734 * @param *irg The IR graph the node belongs to.
1735 * @param *block The IR block the node belongs to.
1736 * @param arity The number of predecessors
1737 * @param *in[] Array with predecessors. The constructor copies this array.
1738 * @param *mode The mode of it's inputs and output.
1740 ir_node *new_rd_Phi (dbg_info *db, ir_graph *irg, ir_node *block, int arity,
1741 ir_node *in[], ir_mode *mode);
1743 /** Constructor for a Load node.
1745 * @param *db A pointer for debug information.
1746 * @param *irg The IR graph the node belongs to.
1747 * @param *block The IR block the node belongs to.
1748 * @param *store The current memory
1749 * @param *adr A pointer to the variable to be read in this memory.
1750 * @param *mode The mode of the value to be loaded.
1751 * @param flags Additional flags for alignment, volatility and pin state.
1753 ir_node *new_rd_Load (dbg_info *db, ir_graph *irg, ir_node *block,
1754 ir_node *store, ir_node *adr, ir_mode *mode, cons_flags flags);
1756 /** Constructor for a Store node.
1758 * @param *db A pointer for debug information.
1759 * @param *irg The IR graph the node belongs to.
1760 * @param *block The IR block the node belongs to.
1761 * @param *store The current memory
1762 * @param *adr A pointer to the variable to be read in this memory.
1763 * @param *val The value to write to this variable.
1764 * @param flags Additional flags for alignment, volatility and pin state.
1766 ir_node *new_rd_Store (dbg_info *db, ir_graph *irg, ir_node *block,
1767 ir_node *store, ir_node *adr, ir_node *val, cons_flags flags);
1769 /** Constructor for a Alloc node.
1771 * The Alloc node extends the memory by space for an entity of type alloc_type.
1773 * @param *db A pointer for debug information.
1774 * @param *irg The IR graph the node belongs to.
1775 * @param *block The IR block the node belongs to.
1776 * @param *store The memory which shall contain the new variable.
1777 * @param *size The number of bytes to allocate.
1778 * @param *alloc_type The type of the allocated variable.
1779 * @param where Where to allocate the variable, either heap_alloc or stack_alloc.
1781 ir_node *new_rd_Alloc (dbg_info *db, ir_graph *irg, ir_node *block, ir_node *store,
1782 ir_node *size, ir_type *alloc_type, ir_where_alloc where);
1784 /** Constructor for a Free node.
1786 * Frees the memory occupied by the entity pointed to by the pointer
1787 * arg. Type indicates the type of the entity the argument points to.
1789 * @param *db A pointer for debug information.
1790 * @param *irg The IR graph the node belongs to.
1791 * @param *block The IR block the node belongs to.
1792 * @param *store The memory which shall contain the new variable.
1793 * @param *ptr The pointer to the object to free.
1794 * @param *size The number of objects of type free_type to free in a sequence.
1795 * @param *free_type The type of the freed variable.
1796 * @param where Where the variable was allocated, either heap_alloc or stack_alloc.
1798 ir_node *new_rd_Free (dbg_info *db, ir_graph *irg, ir_node *block, ir_node *store,
1799 ir_node *ptr, ir_node *size, ir_type *free_type, ir_where_alloc where);
1801 /** Constructor for a Sync node.
1803 * Merges several memory values. The node assumes that a variable
1804 * either occurs only in one of the memories, or it contains the same
1805 * value in all memories where it occurs.
1807 * @param *db A pointer for debug information.
1808 * @param *irg The IR graph the node belongs to.
1809 * @param *block The IR block the node belongs to.
1810 * @param arity The number of memories to synchronize.
1811 * @param *in[] An array of pointers to nodes that produce an output of type
1812 * memory. The constructor copies this array.
1814 ir_node *new_rd_Sync (dbg_info *db, ir_graph *irg, ir_node *block, int arity, ir_node *in[]);
1816 /** Constructor for a Proj node.
1818 * Projects a single value out of a tuple. The parameter proj gives the
1819 * position of the value within the tuple.
1821 * @param *db A pointer for debug information.
1822 * @param *irg The IR graph the node belongs to.
1823 * @param *block The IR block the node belongs to.
1824 * @param arg A node producing a tuple. The node must have mode_T.
1825 * @param *mode The mode of the value to project.
1826 * @param proj The position of the value in the tuple.
1828 ir_node *new_rd_Proj (dbg_info *db, ir_graph *irg, ir_node *block, ir_node *arg,
1829 ir_mode *mode, long proj);
1831 /** Constructor for a defaultProj node.
1833 * Represents the default control flow of a Switch-Cond node.
1835 * @param *db A pointer for debug information.
1836 * @param *irg The IR graph the node belongs to.
1837 * @param *block The IR block the node belongs to.
1838 * @param arg A node producing a tuple.
1839 * @param max_proj The end position of the value in the tuple.
1841 ir_node *new_rd_defaultProj (dbg_info *db, ir_graph *irg, ir_node *block, ir_node *arg,
1844 /** Constructor for a Tuple node.
1846 * This is an auxiliary node to replace a node that returns a tuple
1847 * without changing the corresponding Proj nodes.
1849 * @param *db A pointer for debug information.
1850 * @param *irg The IR graph the node belongs to.
1851 * @param *block The IR block the node belongs to.
1852 * @param arity The number of tuple elements.
1853 * @param *in[] An array containing pointers to the nodes producing the tuple
1854 * elements. The constructor copies this array.
1856 ir_node *new_rd_Tuple (dbg_info *db, ir_graph *irg, ir_node *block,
1857 int arity, ir_node *in[]);
1859 /** Constructor for a Id node.
1861 * This is an auxiliary node to replace a node that returns a single
1864 * @param *db A pointer for debug information.
1865 * @param *irg The IR graph the node belongs to.
1866 * @param *block The IR block the node belongs to.
1867 * @param *val The value
1868 * @param *mode The mode of *val.
1870 ir_node *new_rd_Id (dbg_info *db, ir_graph *irg, ir_node *block,
1871 ir_node *val, ir_mode *mode);
1873 /** Constructor for a Confirm node.
1875 * Specifies constraints for a value. To support dataflow analyses.
1877 * Example: If the value never exceeds '100' this is expressed by placing a
1878 * Confirm node val = new_d_Confirm(db, val, 100, '<=') on the dataflow edge.
1880 * @param *irg The IR graph the node belong to.
1881 * @param *block The IR block the node belong to.
1882 * @param *db A pointer for debug information.
1883 * @param *val The value we express a constraint for
1884 * @param *bound The value to compare against. Must be a firm node, typically a constant.
1885 * @param cmp The compare operation.
1887 ir_node *new_rd_Confirm (dbg_info *db, ir_graph *irg, ir_node *block,
1888 ir_node *val, ir_node *bound, pn_Cmp cmp);
1890 /** Constructor for an Unknown node.
1892 * Represents an arbitrary value. Places the node in the start block.
1894 * @param *irg The IR graph the node belongs to.
1895 * @param *m The mode of the unknown value.
1897 ir_node *new_rd_Unknown(ir_graph *irg, ir_mode *m);
1899 /** Constructor for a CallBegin node.
1901 * CallBegin represents control flow depending of the pointer value
1902 * representing the called method to the called methods. The
1903 * constructor copies the method pointer input from the passed Call
1906 * @param *db A pointer for debug information.
1907 * @param *irg The IR graph the node belong to.
1908 * @param *block The block the node belong to.
1909 * @param *callee The call node visible in the intra procedural view.
1911 ir_node *new_rd_CallBegin(dbg_info *db, ir_graph *irg, ir_node *block, ir_node *callee);
1913 /** Constructor for a EndReg node.
1915 * Used to represent regular procedure end in interprocedual view.
1917 * @param *db A pointer for debug information.
1918 * @param *irg The IR graph the node belong to.
1919 * @param *block The block the node belong to.
1921 ir_node *new_rd_EndReg (dbg_info *db, ir_graph *irg, ir_node *block);
1923 /** Constructor for a EndExcept node.
1925 * Used to represent exceptional procedure end in interprocedural view.
1927 * @param *db A pointer for debug information.
1928 * @param *irg The IR graph the node belong to.
1929 * @param *block The block the node belong to.
1931 ir_node *new_rd_EndExcept(dbg_info *db, ir_graph *irg, ir_node *block);
1933 /** Constructor for a Filter node.
1935 * Adds the node to the block in current_ir_block. Filter is a node
1936 * with two views used to construct the interprocedural view. In
1937 * intraprocedural view its semantics are identical to the Proj node.
1938 * In interprocedural view the Filter performs the Phi operation on
1939 * method parameters or results. Other than a Phi a Filter node may
1940 * not be removed if it has only a single input.
1942 * The constructor builds the Filter in intraprocedural view.
1944 * @param *db A pointer for debug information.
1945 * @param *irg The IR graph the node belong to.
1946 * @param *block The block the node belong to.
1947 * @param *arg The tuple value to project from.
1948 * @param *mode The mode of the projected value.
1949 * @param proj The position in the tuple to project from.
1951 ir_node *new_rd_Filter (dbg_info *db, ir_graph *irg, ir_node *block, ir_node *arg,
1952 ir_mode *mode, long proj);
1954 /** Constructor for a Mux node.
1956 * @param *db A pointer for debug information.
1957 * @param *irg The IR graph the node belong to.
1958 * @param *block The block the node belong to.
1959 * @param *sel The ir_node that calculates the boolean select.
1960 * @param *ir_true The ir_node that calculates the true result.
1961 * @param *ir_false The ir_node that calculates the false result.
1962 * @param *mode The mode of the node (and it_true and ir_false).
1964 ir_node *new_rd_Mux (dbg_info *db, ir_graph *irg, ir_node *block,
1965 ir_node *sel, ir_node *ir_false, ir_node *ir_true, ir_mode *mode);
1967 /** Constructor for a CopyB node.
1969 * @param *db A pointer for debug information.
1970 * @param *irg The IR graph the node belong to.
1971 * @param *block The block the node belong to.
1972 * @param *store The current memory
1973 * @param *dst The ir_node that represents the destination address.
1974 * @param *src The ir_node that represents the source address.
1975 * @param *data_type The type of the copied data
1977 ir_node *new_rd_CopyB(dbg_info *db, ir_graph *irg, ir_node *block,
1978 ir_node *store, ir_node *dst, ir_node *src, ir_type *data_type);
1980 /** Constructor for a InstOf node.
1982 * A High-Level Type check.
1984 * @param *db A pointer for debug information.
1985 * @param *irg The IR graph the node belongs to.
1986 * @param *block The IR block the node belongs to.
1987 * @param *store The memory in which the object the entity should be selected
1988 * from is allocated.
1989 * @param *objptr A pointer to a object of a class type.
1990 * @param *type The type of which objptr must be.
1992 ir_node *new_rd_InstOf (dbg_info *db, ir_graph *irg, ir_node *block, ir_node *store,
1993 ir_node *objptr, ir_type *type);
1995 /** Constructor for a Raise node.
1997 * A High-Level Exception throw.
1999 * @param *db A pointer for debug information.
2000 * @param *irg The IR graph the node belongs to.
2001 * @param *block The IR block the node belongs to.
2002 * @param *store The current memory.
2003 * @param *obj A pointer to the Except variable.
2005 ir_node *new_rd_Raise (dbg_info *db, ir_graph *irg, ir_node *block,
2006 ir_node *store, ir_node *obj);
2008 /** Constructor for a Bound node.
2010 * A High-Level bounds check. Checks whether lower <= idx && idx < upper.
2012 * @param *db A pointer for debug information.
2013 * @param *irg The IR graph the node belong to.
2014 * @param *block The block the node belong to.
2015 * @param *store The current memory.
2016 * @param *idx The ir_node that represents an index.
2017 * @param *lower The ir_node that represents the lower bound for the index.
2018 * @param *upper The ir_node that represents the upper bound for the index.
2020 ir_node *new_rd_Bound(dbg_info *db, ir_graph *irg, ir_node *block,
2021 ir_node *store, ir_node *idx, ir_node *lower, ir_node *upper);
2023 /** Constructor for a Pin node.
2025 * @param *db A pointer for debug information.
2026 * @param *irg The IR graph the node belong to.
2027 * @param *block The block the node belong to.
2028 * @param *node The node which value should be pinned.
2030 ir_node *new_rd_Pin(dbg_info *db, ir_graph *irg, ir_node *block, ir_node *node);
2032 /** Constructor for an ASM pseudo node.
2034 * @param *db A pointer for debug information.
2035 * @param *irg The IR graph the node belong to.
2036 * @param *block The block the node belong to.
2037 * @param arity The number of data inputs to the node.
2038 * @param *in The array of length arity of data inputs.
2039 * @param *inputs The array of length arity of input constraints.
2040 * @param n_outs The number of data outputs to the node.
2041 * @param *outputs The array of length n_outs of output constraints.
2042 * @param n_clobber The number of clobbered registers.
2043 * @param *clobber The array of length n_clobber of clobbered registers.
2044 * @param *asm_text The assembler text.
2046 ir_node *new_rd_ASM(dbg_info *db, ir_graph *irg, ir_node *block,
2047 int arity, ir_node *in[], ir_asm_constraint *inputs,
2048 int n_outs, ir_asm_constraint *outputs,
2049 int n_clobber, ident *clobber[], ident *asm_text);
2051 /*-------------------------------------------------------------------------*/
2052 /* The raw interface without debug support */
2053 /*-------------------------------------------------------------------------*/
2055 /** Constructor for a Block node.
2057 * Constructs a mature block with the given predecessors. Use Unknown
2058 * nodes as predecessors to construct a block if the number of
2059 * predecessors is known, but not the predecessors themselves. This
2060 * constructor does not set current_block. It not be used with
2061 * automatic Phi node construction.
2064 * @param irg The IR graph the block belongs to.
2065 * @param arity The number of control predecessors.
2066 * @param in[] An array of control predecessors. The length of
2067 * the array must be 'arity'. The constructor copies this array.
2069 ir_node *new_r_Block (ir_graph *irg, int arity, ir_node *in[]);
2071 /** Constructor for a Start node.
2073 * @param *irg The IR graph the node belongs to.
2074 * @param *block The IR block the node belongs to.
2076 ir_node *new_r_Start (ir_graph *irg, ir_node *block);
2078 /** Constructor for a End node.
2080 * @param *irg The IR graph the node belongs to.
2081 * @param *block The IR block the node belongs to.
2083 ir_node *new_r_End (ir_graph *irg, ir_node *block);
2085 /** Constructor for a Jmp node.
2087 * Jmp represents control flow to a single control successor.
2089 * @param *irg The IR graph the node belongs to.
2090 * @param *block The IR block the node belongs to.
2092 ir_node *new_r_Jmp (ir_graph *irg, ir_node *block);
2094 /** Constructor for an IJmp node.
2096 * IJmp represents control flow to a single control successor not
2097 * statically known i.e. an indirect Jmp.
2099 * @param *irg The IR graph the node belongs to.
2100 * @param *block The IR block the node belongs to.
2101 * @param *tgt The IR node representing the target address.
2103 ir_node *new_r_IJmp (ir_graph *irg, ir_node *block, ir_node *tgt);
2105 /** Constructor for a Cond node.
2107 * If c is mode_b represents a conditional branch (if/else). If c is
2108 * mode_Is/mode_Iu (?) represents a switch. (Allocates dense Cond
2109 * node, default Proj is 0.)
2111 * This is not consistent: Input to Cond is Is, Proj has as proj number
2114 * @param *irg The IR graph the node belongs to.
2115 * @param *block The IR block the node belongs to.
2116 * @param *c The conditions parameter.Can be of mode b or I_u.
2118 ir_node *new_r_Cond (ir_graph *irg, ir_node *block, ir_node *c);
2120 /** Constructor for a Return node.
2122 * Returns the memory and zero or more return values. Only node that
2123 * can end regular control flow.
2125 * @param *irg The IR graph the node belongs to.
2126 * @param *block The IR block the node belongs to.
2127 * @param *store The state of memory.
2128 * @param arity Number of array indices.
2129 * @param *in[] Array with index inputs to the node. The constructor copies this array.
2131 ir_node *new_r_Return (ir_graph *irg, ir_node *block,
2132 ir_node *store, int arity, ir_node *in[]);
2134 /** Constructor for a Const node.
2136 * Adds the node to the start block.
2138 * Constructor for a Const node. The constant represents a target
2139 * value. Sets the type information to type_unknown. (No more
2140 * supported: If tv is entity derives a somehow useful type.)
2141 * Derives mode from passed tarval.
2143 * @param *irg The IR graph the node belongs to.
2144 * @param *block The IR block the node belongs to.
2145 * @param *con Points to an entry in the constant table.
2147 ir_node *new_r_Const (ir_graph *irg, tarval *con);
2149 /** Constructor for a Const node.
2151 * Adds the node to the start block.
2153 * Constructor for a Const node. The constant represents a target
2154 * value. Sets the type information to type_unknown. (No more
2155 * supported: If tv is entity derives a somehow useful type.)
2157 * @param *irg The IR graph the node belongs to.
2158 * @param *mode The mode of the operands and the results.
2159 * @param value A value from which the tarval is made.
2161 ir_node *new_r_Const_long(ir_graph *irg,
2162 ir_mode *mode, long value);
2164 /** Constructor for a Const_type node.
2166 * Adds the node to the start block.
2168 * The constant represents a target value. This constructor sets high
2169 * level type information for the constant value.
2170 * Derives mode from passed tarval.
2172 * @param *irg The IR graph the node belongs to.
2173 * @param *con Points to an entry in the constant table.
2174 * @param *tp The type of the constant.
2176 ir_node *new_r_Const_type(ir_graph *irg, tarval *con, ir_type *tp);
2178 /** Constructor for a SymConst node.
2180 * This is the constructor for a symbolic constant.
2181 * There are four kinds of symbolic constants:
2182 * - type_tag The symbolic constant represents a type tag. The type the
2183 * tag stands for is given explicitly.
2184 * - size The symbolic constant represents the size of a type. The
2185 * type of which the constant represents the size is given
2187 * - addr_name The symbolic constant represents the address of an entity
2188 * (variable or method). The variable is indicated by a name
2189 * that is valid for linking.
2190 * - addr_ent The symbolic constant represents the address of an entity
2191 * (variable or method). The variable is given explicitly by
2194 * Inputs to the node:
2195 * No inputs except the block it belongs to.
2196 * Outputs of the node.
2197 * An unsigned integer (I_u) or a pointer (P).
2199 * @param *irg The IR graph the node belongs to.
2200 * @param *block The IR block the node belongs to.
2201 * @param mode The mode for the SymConst.
2202 * @param value A type, entity or a ident depending on the SymConst kind.
2203 * @param symkind The kind of the symbolic constant: type_tag, size or link_info.
2205 ir_node *new_r_SymConst(ir_graph *irg, ir_node *block, ir_mode *mode,
2206 union symconst_symbol value, symconst_kind symkind);
2208 /** Constructor for a simpleSel node.
2210 * This is a shortcut for the new_d_Sel() constructor. To be used for
2211 * Sel nodes that do not select from an array, i.e., have no index
2212 * inputs. It adds the two parameters 0, NULL.
2214 * @param *irg The IR graph the node belongs to.
2215 * @param *block The IR block the node belongs to.
2216 * @param *store The memory in which the object the entity should be selected
2217 * from is allocated.
2218 * @param *objptr The object from that the Sel operation selects a
2219 * single attribute out.
2220 * @param *ent The entity to select.
2222 ir_node *new_r_simpleSel(ir_graph *irg, ir_node *block, ir_node *store,
2223 ir_node *objptr, ir_entity *ent);
2225 /** Constructor for a Sel node.
2227 * The select node selects an entity (field or method) from an entity
2228 * with a compound type. It explicitly specifies the entity selected.
2229 * Dynamically the node may select entities that overwrite the given
2230 * entity. If the selected entity is an array element entity the Sel
2231 * node takes the required array indices as inputs.
2233 * @param *irg The IR graph the node belongs to.
2234 * @param *block The IR block the node belongs to.
2235 * @param *store The memory in which the object the entity should be selected
2236 * from is allocated.
2237 * @param *objptr A pointer to a compound entity the Sel operation selects a
2238 * single attribute from.
2239 * @param *n_index The number of array indices needed to select an array element entity.
2240 * @param *index[] If the compound entity is an array the indices of the selected
2241 * element entity. The constructor copies this array.
2242 * @param *ent The entity to select.
2244 ir_node *new_r_Sel (ir_graph *irg, ir_node *block, ir_node *store,
2245 ir_node *objptr, int n_index, ir_node *index[],
2248 /** Constructor for a Call node.
2250 * Represents all kinds of method and function calls.
2252 * @param *irg The IR graph the node belongs to.
2253 * @param *block The IR block the node belongs to.
2254 * @param *store The actual store.
2255 * @param *callee A pointer to the called procedure.
2256 * @param arity The number of procedure parameters.
2257 * @param *in[] An array with the pointers to the parameters. The constructor copies this array.
2258 * @param *tp Type information of the procedure called.
2260 ir_node *new_r_Call (ir_graph *irg, ir_node *block, ir_node *store,
2261 ir_node *callee, int arity, ir_node *in[],
2264 /** Constructor for a Add node.
2266 * @param *irg The IR graph the node belongs to.
2267 * @param *block The IR block the node belongs to.
2268 * @param *op1 The first operand.
2269 * @param *op2 The second operand.
2270 * @param *mode The mode of the operands and the result.
2272 ir_node *new_r_Add (ir_graph *irg, ir_node *block,
2273 ir_node *op1, ir_node *op2, ir_mode *mode);
2276 * Constructor for a Sub node.
2278 * @param *irg The IR graph the node belongs to.
2279 * @param *block The IR block the node belongs to.
2280 * @param *op1 The first operand.
2281 * @param *op2 The second operand.
2282 * @param *mode The mode of the operands and the results.
2284 ir_node *new_r_Sub (ir_graph *irg, ir_node *block,
2285 ir_node *op1, ir_node *op2, ir_mode *mode);
2287 /** Constructor for a Minus node.
2289 * @param *irg The IR graph the node belongs to.
2290 * @param *block The IR block the node belongs to.
2291 * @param *op The operand.
2292 * @param *mode The mode of the operand and the result.
2294 ir_node *new_r_Minus (ir_graph *irg, ir_node *block,
2295 ir_node *op, ir_mode *mode);
2297 /** Constructor for a Mul node.
2299 * @param *irg The IR graph the node belongs to.
2300 * @param *block The IR block the node belongs to.
2301 * @param *op1 The first operand.
2302 * @param *op2 The second operand.
2303 * @param *mode The mode of the operands and the result.
2305 ir_node *new_r_Mul (ir_graph *irg, ir_node *block,
2306 ir_node *op1, ir_node *op2, ir_mode *mode);
2308 /** Constructor for a Mulh node.
2310 * @param *irg The IR graph the node belongs to.
2311 * @param *block The IR block the node belongs to.
2312 * @param *op1 The first operand.
2313 * @param *op2 The second operand.
2314 * @param *mode The mode of the operands and the result.
2316 ir_node *new_r_Mulh (ir_graph *irg, ir_node *block,
2317 ir_node *op1, ir_node *op2, ir_mode *mode);
2319 /** Constructor for a Quot node.
2321 * @param *irg The IR graph the node belongs to.
2322 * @param *block The IR block the node belongs to.
2323 * @param *memop The store needed to model exceptions
2324 * @param *op1 The first operand.
2325 * @param *op2 The second operand.
2326 * @param *mode The mode of the result.
2327 * @param state The pinned state.
2329 ir_node *new_r_Quot (ir_graph *irg, ir_node *block,
2330 ir_node *memop, ir_node *op1, ir_node *op2, ir_mode *mode, op_pin_state state);
2332 /** Constructor for a DivMod node.
2334 * @param *irg The IR graph the node belongs to.
2335 * @param *block The IR block the node belongs to.
2336 * @param *memop The store needed to model exceptions
2337 * @param *op1 The first operand.
2338 * @param *op2 The second operand.
2339 * @param *mode The mode of the results.
2340 * @param state The pinned state.
2342 ir_node *new_r_DivMod (ir_graph *irg, ir_node *block,
2343 ir_node *memop, ir_node *op1, ir_node *op2, ir_mode *mode, op_pin_state state);
2345 /** Constructor for a Div node.
2347 * @param *irg The IR graph the node belongs to.
2348 * @param *block The IR block the node belongs to.
2349 * @param *memop The store needed to model exceptions
2350 * @param *op1 The first operand.
2351 * @param *op2 The second operand.
2352 * @param *mode The mode of the result.
2353 * @param state The pinned state.
2355 ir_node *new_r_Div (ir_graph *irg, ir_node *block,
2356 ir_node *memop, ir_node *op1, ir_node *op2, ir_mode *mode, op_pin_state state);
2358 /** Constructor for a remainderless Div node.
2360 * @param *irg The IR graph the node belongs to.
2361 * @param *block The IR block the node belongs to.
2362 * @param *memop The store needed to model exceptions
2363 * @param *op1 The first operand.
2364 * @param *op2 The second operand.
2365 * @param *mode The mode of the result.
2366 * @param state The pinned state.
2368 ir_node *new_r_DivRL (ir_graph *irg, ir_node *block,
2369 ir_node *memop, ir_node *op1, ir_node *op2, ir_mode *mode, op_pin_state state);
2371 /** Constructor for a Mod node.
2373 * @param *irg The IR graph the node belongs to.
2374 * @param *block The IR block the node belongs to.
2375 * @param *memop The store needed to model exceptions
2376 * @param *op1 The first operand.
2377 * @param *op2 The second operand.
2378 * @param *mode The mode of the result.
2379 * @param state The pinned state.
2381 ir_node *new_r_Mod (ir_graph *irg, ir_node *block,
2382 ir_node *memop, ir_node *op1, ir_node *op2, ir_mode *mode, op_pin_state state);
2384 /** Constructor for a Abs node.
2386 * @param *irg The IR graph the node belongs to.
2387 * @param *block The IR block the node belongs to.
2388 * @param *op The operand
2389 * @param *mode The mode of the operands and the result.
2391 ir_node *new_r_Abs (ir_graph *irg, ir_node *block,
2392 ir_node *op, ir_mode *mode);
2394 /** Constructor for a And node.
2396 * @param *irg The IR graph the node belongs to.
2397 * @param *block The IR block the node belongs to.
2398 * @param *op1 The first operand.
2399 * @param *op2 The second operand.
2400 * @param *mode The mode of the operands and the result.
2402 ir_node *new_r_And (ir_graph *irg, ir_node *block,
2403 ir_node *op1, ir_node *op2, ir_mode *mode);
2405 /** Constructor for a Or node.
2407 * @param *irg The IR graph the node belongs to.
2408 * @param *block The IR block the node belongs to.
2409 * @param *op1 The first operand.
2410 * @param *op2 The second operand.
2411 * @param *mode The mode of the operands and the result.
2413 ir_node *new_r_Or (ir_graph *irg, ir_node *block,
2414 ir_node *op1, ir_node *op2, ir_mode *mode);
2416 /** Constructor for a Eor node.
2418 * @param *irg The IR graph the node belongs to.
2419 * @param *block The IR block the node belongs to.
2420 * @param *op1 The first operand.
2421 * @param *op2 The second operand.
2422 * @param *mode The mode of the operands and the results.
2424 ir_node *new_r_Eor (ir_graph *irg, ir_node *block,
2425 ir_node *op1, ir_node *op2, ir_mode *mode);
2427 /** Constructor for a Not node.
2429 * @param *irg The IR graph the node belongs to.
2430 * @param *block The IR block the node belongs to.
2431 * @param *op The operand.
2432 * @param *mode The mode of the operand and the result.
2434 ir_node *new_r_Not (ir_graph *irg, ir_node *block,
2435 ir_node *op, ir_mode *mode);
2437 /** Constructor for a Cmp node.
2439 * @param *irg The IR graph the node belongs to.
2440 * @param *block The IR block the node belongs to.
2441 * @param *op1 The first operand.
2442 * @param *op2 The second operand.
2444 ir_node *new_r_Cmp (ir_graph *irg, ir_node *block,
2445 ir_node *op1, ir_node *op2);
2447 /** Constructor for a Shl node.
2449 * @param *irg The IR graph the node belongs to.
2450 * @param *block The IR block the node belongs to.
2451 * @param *op The operand.
2452 * @param *k The number of bits to shift the operand .
2453 * @param *mode The mode of the operand and the result.
2455 ir_node *new_r_Shl (ir_graph *irg, ir_node *block,
2456 ir_node *op, ir_node *k, ir_mode *mode);
2458 /** Constructor for a Shr node.
2460 * @param *irg The IR graph the node belongs to.
2461 * @param *block The IR block the node belongs to.
2462 * @param *op The operand.
2463 * @param *k The number of bits to shift the operand .
2464 * @param *mode The mode of the operand and the result.
2466 ir_node *new_r_Shr (ir_graph *irg, ir_node *block,
2467 ir_node *op, ir_node *k, ir_mode *mode);
2470 * Constructor for a Shrs node.
2472 * @param *irg The IR graph the node belongs to.
2473 * @param *block The IR block the node belongs to.
2474 * @param *op The operand.
2475 * @param *k The number of bits to shift the operand.
2476 * @param *mode The mode of the operand and the result.
2478 ir_node *new_r_Shrs (ir_graph *irg, ir_node *block,
2479 ir_node *op, ir_node *k, ir_mode *mode);
2481 /** Constructor for a Rotl node.
2483 * @param *irg The IR graph the node belongs to.
2484 * @param *block The IR block the node belongs to.
2485 * @param *op The operand.
2486 * @param *k The number of bits to rotate the operand.
2487 * @param *mode The mode of the operand.
2489 ir_node *new_r_Rotl (ir_graph *irg, ir_node *block,
2490 ir_node *op, ir_node *k, ir_mode *mode);
2492 /** Constructor for a Conv node.
2494 * @param *irg The IR graph the node belongs to.
2495 * @param *block The IR block the node belongs to.
2496 * @param *op The operand.
2497 * @param *mode The mode of this the operand muss be converted .
2499 ir_node *new_r_Conv (ir_graph *irg, ir_node *block,
2500 ir_node *op, ir_mode *mode);
2502 /** Constructor for a Cast node.
2504 * High level type cast
2506 * @param *irg The IR graph the node belongs to.
2507 * @param *block The IR block the node belongs to.
2508 * @param *op The operand.
2509 * @param *to_tp The type of this the operand muss be casted .
2511 ir_node *new_r_Cast (ir_graph *irg, ir_node *block,
2512 ir_node *op, ir_type *to_tp);
2514 /** Constructor for a Carry node.
2516 * @param *irg The IR graph the node belongs to.
2517 * @param *block The IR block the node belongs to.
2518 * @param *op1 The first operand.
2519 * @param *op2 The second operand.
2520 * @param *mode The mode of the operands and the result.
2522 ir_node *new_r_Carry (ir_graph *irg, ir_node *block,
2523 ir_node *op1, ir_node *op2, ir_mode *mode);
2526 * Constructor for a Borrow node.
2528 * @param *irg The IR graph the node belongs to.
2529 * @param *block The IR block the node belongs to.
2530 * @param *op1 The first operand.
2531 * @param *op2 The second operand.
2532 * @param *mode The mode of the operands and the results.
2534 ir_node *new_r_Borrow (ir_graph *irg, ir_node *block,
2535 ir_node *op1, ir_node *op2, ir_mode *mode);
2537 /** Constructor for a Phi node.
2539 * @param *irg The IR graph the node belongs to.
2540 * @param *block The IR block the node belongs to.
2541 * @param arity The number of predecessors
2542 * @param *in[] Array with predecessors. The constructor copies this array.
2543 * @param *mode The mode of it's inputs and output.
2545 ir_node *new_r_Phi (ir_graph *irg, ir_node *block, int arity,
2546 ir_node *in[], ir_mode *mode);
2548 /** Constructor for a Load node.
2550 * @param *irg The IR graph the node belongs to.
2551 * @param *block The IR block the node belongs to.
2552 * @param *store The current memory
2553 * @param *adr A pointer to the variable to be read in this memory.
2554 * @param *mode The mode of the value to be loaded.
2555 * @param flags Additional flags for alignment, volatility and pin state.
2557 ir_node *new_r_Load (ir_graph *irg, ir_node *block,
2558 ir_node *store, ir_node *adr, ir_mode *mode, cons_flags flags);
2560 /** Constructor for a Store node.
2562 * @param *irg The IR graph the node belongs to.
2563 * @param *block The IR block the node belongs to.
2564 * @param *store The current memory
2565 * @param *adr A pointer to the variable to be read in this memory.
2566 * @param *val The value to write to this variable.
2567 * @param flags Additional flags for alignment, volatility and pin state.
2569 ir_node *new_r_Store (ir_graph *irg, ir_node *block,
2570 ir_node *store, ir_node *adr, ir_node *val, cons_flags flags);
2572 /** Constructor for a Alloc node.
2574 * The Alloc node extends the memory by space for an entity of type alloc_type.
2576 * @param *irg The IR graph the node belongs to.
2577 * @param *block The IR block the node belongs to.
2578 * @param *store The memory which shall contain the new variable.
2579 * @param *size The number of bytes to allocate.
2580 * @param *alloc_type The type of the allocated variable.
2581 * @param where Where to allocate the variable, either heap_alloc or stack_alloc.
2583 ir_node *new_r_Alloc (ir_graph *irg, ir_node *block, ir_node *store,
2584 ir_node *size, ir_type *alloc_type, ir_where_alloc where);
2586 /** Constructor for a Free node.
2588 * Frees the memory occupied by the entity pointed to by the pointer
2589 * arg. Type indicates the type of the entity the argument points to.
2591 * @param *irg The IR graph the node belongs to.
2592 * @param *block The IR block the node belongs to.
2593 * @param *store The memory which shall contain the new variable.
2594 * @param *ptr The pointer to the object to free.
2595 * @param *size The number of objects of type free_type to free in a sequence.
2596 * @param *free_type The type of the freed variable.
2597 * @param where Where the variable was allocated, either heap_alloc or stack_alloc.
2599 ir_node *new_r_Free (ir_graph *irg, ir_node *block, ir_node *store,
2600 ir_node *ptr, ir_node *size, ir_type *free_type, ir_where_alloc where);
2602 /** Constructor for a Sync node.
2604 * Merges several memory values. The node assumes that a variable
2605 * either occurs only in one of the memories, or it contains the same
2606 * value in all memories where it occurs.
2608 * @param *irg The IR graph the node belongs to.
2609 * @param *block The IR block the node belongs to.
2610 * @param arity The number of memories to synchronize.
2611 * @param *in[] An array of pointers to nodes that produce an output of type memory.
2612 * The constructor copies this array.
2614 ir_node *new_r_Sync (ir_graph *irg, ir_node *block, int arity, ir_node *in[]);
2616 /** Constructor for a Proj node.
2618 * Projects a single value out of a tuple. The parameter proj gives the
2619 * position of the value within the tuple.
2621 * @param *irg The IR graph the node belongs to.
2622 * @param *block The IR block the node belongs to.
2623 * @param arg A node producing a tuple.
2624 * @param *mode The mode of the value to project.
2625 * @param proj The position of the value in the tuple.
2627 ir_node *new_r_Proj (ir_graph *irg, ir_node *block, ir_node *arg,
2628 ir_mode *mode, long proj);
2630 /** Constructor for a defaultProj node.
2632 * Represents the default control flow of a Switch-Cond node.
2634 * @param *irg The IR graph the node belongs to.
2635 * @param *block The IR block the node belongs to.
2636 * @param arg A node producing a tuple.
2637 * @param max_proj The end position of the value in the tuple.
2639 ir_node *new_r_defaultProj (ir_graph *irg, ir_node *block, ir_node *arg, long max_proj);
2642 /** Constructor for a Tuple node.
2644 * This is an auxiliary node to replace a node that returns a tuple
2645 * without changing the corresponding Proj nodes.
2647 * @param *irg The IR graph the node belongs to.
2648 * @param *block The IR block the node belongs to.
2649 * @param arity The number of tuple elements.
2650 * @param *in[] An array containing pointers to the nodes producing the tuple elements.
2651 * The constructor copies this array.
2653 ir_node *new_r_Tuple (ir_graph *irg, ir_node *block, int arity, ir_node *in[]);
2655 /** Constructor for a Id node.
2657 * This is an auxiliary node to replace a node that returns a single
2660 * @param *irg The IR graph the node belongs to.
2661 * @param *block The IR block the node belongs to.
2662 * @param *val The operand to Id.
2663 * @param *mode The mode of *val.
2665 ir_node *new_r_Id (ir_graph *irg, ir_node *block,
2666 ir_node *val, ir_mode *mode);
2668 /** Constructor for a Bad node.
2670 * Returns the unique Bad node of the graph. The same as
2673 * @param *irg The IR graph the node belongs to.
2676 ir_node *new_r_Bad (ir_graph *irg);
2678 /** Constructor for a Confirm node.
2680 * Specifies constraints for a value. To support dataflow analyses.
2682 * Example: If the value never exceeds '100' this is expressed by placing a
2683 * Confirm node val = new_d_Confirm(db, val, 100, '<=') on the dataflow edge.
2685 * @param *irg The IR graph the node belong to.
2686 * @param *block The IR block the node belong to.
2687 * @param *val The value we express a constraint for
2688 * @param *bound The value to compare against. Must be a firm node, typically a constant.
2689 * @param cmp The compare operation.
2691 ir_node *new_r_Confirm(ir_graph *irg, ir_node *block,
2692 ir_node *val, ir_node *bound, pn_Cmp cmp);
2694 /** Constructor for a Unknown node.
2696 * Represents an arbitrary value. Places the node in
2699 * @param *irg The IR graph the node belongs to.
2700 * @param *m The mode of the unknown value.
2702 ir_node *new_r_Unknown(ir_graph *irg, ir_mode *m);
2704 /** Constructor for a CallBegin node.
2706 * CallBegin represents control flow depending of the pointer value
2707 * representing the called method to the called methods. The
2708 * constructor copies the method pointer input from the passed Call
2711 * @param *irg The IR graph the node belong to.
2712 * @param *block The block the node belong to.
2713 * @param *callee The call node visible in the intra procedural view.
2715 ir_node *new_r_CallBegin(ir_graph *irg, ir_node *block, ir_node *callee);
2717 /** Constructor for a EndReg node.
2719 * Used to represent regular procedure end in interprocedual view.
2721 * @param *irg The IR graph the node belong to.
2722 * @param *block The block the node belong to.
2724 ir_node *new_r_EndReg (ir_graph *irg, ir_node *block);
2726 /** Constructor for a EndExcept node.
2728 * Used to represent exceptional procedure end in interprocedural view.
2730 * @param *irg The IR graph the node belong to.
2731 * @param *block The block the node belong to.
2733 ir_node *new_r_EndExcept(ir_graph *irg, ir_node *block);
2735 /** Constructor for a Break node.
2737 * Break represents control flow to a single control successor just as Jmp.
2738 * The blocks separated by a break may not be concatenated by an optimization.
2739 * It is used for the interprocedural representation where blocks are parted
2740 * behind Call nodes to represent the control flow to called procedures.
2742 * @param *irg The IR graph the node belong to.
2743 * @param *block The block the node belong to.
2745 ir_node *new_r_Break (ir_graph *irg, ir_node *block);
2747 /** Constructor for a Filter node.
2749 * Constructor for a Filter node. Adds the node to the block in current_ir_block.
2750 * Filter is a node with two views used to construct the interprocedural view.
2751 * In intraprocedural view its semantics are identical to the Proj node.
2752 * In interprocedural view the Filter performs the Phi operation on method
2753 * parameters or results. Other than a Phi a Filter node may not be removed
2754 * if it has only a single input.
2756 * The constructor builds the Filter in intraprocedural view.
2758 * @param *irg The IR graph the node belong to.
2759 * @param *block The block the node belong to.
2760 * @param *arg The tuple value to project from.
2761 * @param *mode The mode of the projected value.
2762 * @param proj The position in the tuple to project from.
2764 ir_node *new_r_Filter (ir_graph *irg, ir_node *block, ir_node *arg,
2765 ir_mode *mode, long proj);
2767 /** Constructor for a NoMem node.
2769 * Returns the unique NoMem node of the graph. The same as
2772 * @param *irg The IR graph the node belongs to.
2774 ir_node *new_r_NoMem (ir_graph *irg);
2776 /** Constructor for a Mux node.
2778 * @param *irg The IR graph the node belong to.
2779 * @param *block The block the node belong to.
2780 * @param *sel The ir_node that calculates the boolean select.
2781 * @param *ir_true The ir_node that calculates the true result.
2782 * @param *ir_false The ir_node that calculates the false result.
2783 * @param *mode The mode of the node (and it_true and ir_false).
2785 ir_node *new_r_Mux (ir_graph *irg, ir_node *block,
2786 ir_node *sel, ir_node *ir_false, ir_node *ir_true, ir_mode *mode);
2788 /** Constructor for a CopyB node.
2790 * @param *irg The IR graph the node belong to.
2791 * @param *block The block the node belong to.
2792 * @param *store The current memory
2793 * @param *dst The ir_node that represents the destination address.
2794 * @param *src The ir_node that represents the source address.
2795 * @param *data_type The type of the copied data
2797 ir_node *new_r_CopyB(ir_graph *irg, ir_node *block,
2798 ir_node *store, ir_node *dst, ir_node *src, ir_type *data_type);
2800 /** Constructor for a InstOf node.
2802 * A High-Level Type check.
2804 * @param *irg The IR graph the node belongs to.
2805 * @param *block The IR block the node belongs to.
2806 * @param *store The memory in which the object the entity should be selected
2807 * from is allocated.
2808 * @param *objptr A pointer to a object of a class type.
2809 * @param *type The type of which objptr must be.
2811 ir_node *new_r_InstOf(ir_graph *irg, ir_node *block, ir_node *store,
2812 ir_node *objptr, ir_type *type);
2814 /** Constructor for a Raise node.
2816 * A High-Level Exception throw.
2818 * @param *irg The IR graph the node belongs to.
2819 * @param *block The IR block the node belongs to.
2820 * @param *store The current memory.
2821 * @param *obj A pointer to the Except variable.
2823 ir_node *new_r_Raise(ir_graph *irg, ir_node *block,
2824 ir_node *store, ir_node *obj);
2826 /** Constructor for a Bound node.
2828 * A High-Level bounds check. Checks whether lower <= idx && idx < upper.
2830 * @param *irg The IR graph the node belong to.
2831 * @param *block The block the node belong to.
2832 * @param *store The current memory.
2833 * @param *idx The ir_node that represents an index.
2834 * @param *lower The ir_node that represents the lower bound for the index.
2835 * @param *upper The ir_node that represents the upper bound for the index.
2837 ir_node *new_r_Bound(ir_graph *irg, ir_node *block,
2838 ir_node *store, ir_node *idx, ir_node *lower, ir_node *upper);
2840 /** Constructor for a Pin node.
2842 * @param *irg The IR graph the node belong to.
2843 * @param *block The block the node belong to.
2844 * @param *node The node which value should be pinned.
2846 ir_node *new_r_Pin(ir_graph *irg, ir_node *block, ir_node *node);
2848 /** Constructor for an ASM pseudo node.
2850 * @param *irg The IR graph the node belong to.
2851 * @param *block The block the node belong to.
2852 * @param arity The number of data inputs to the node.
2853 * @param *in The array of length arity of data inputs.
2854 * @param *inputs The array of length arity of input constraints.
2855 * @param n_outs The number of data outputs to the node.
2856 * @param *outputs The array of length n_outs of output constraints.
2857 * @param n_clobber The number of clobbered registers.
2858 * @param *clobber The array of length n_clobber of clobbered registers.
2859 * @param *asm_text The assembler text.
2861 ir_node *new_r_ASM(ir_graph *irg, ir_node *block,
2862 int arity, ir_node *in[], ir_asm_constraint *inputs,
2863 int n_outs, ir_asm_constraint *outputs,
2864 int n_clobber, ident *clobber[], ident *asm_text);
2866 /*-----------------------------------------------------------------------*/
2867 /* The block oriented interface */
2868 /*-----------------------------------------------------------------------*/
2870 /** Sets the current block in which the following constructors place the
2871 * nodes they construct.
2873 * @param target The new current block.
2875 void set_cur_block (ir_node *target);
2877 /** Returns the current block of the current graph. */
2878 ir_node *get_cur_block(void);
2880 /** Returns the fixed nodes of the current graph. */
2881 #define get_cur_end_block() get_irg_end_block(current_ir_graph)
2882 #define get_cur_end() get_irg_end(current_ir_graph)
2883 #define get_cur_start_block() get_irg_start_block(current_ir_graph)
2884 #define get_cur_start() get_irg_start(current_ir_graph)
2886 /** Constructor for a Block node.
2888 * Adds the block to the graph in current_ir_graph. Constructs a Block
2889 * with a fixed number of predecessors. Does set current_block. Can
2890 * be used with automatic Phi node construction.
2892 * @param *db A Pointer for debug information.
2893 * @param arity The number of control predecessors.
2894 * @param in[] An array of control predecessors. The length of
2895 * the array must be 'arity'.
2897 ir_node *new_d_Block(dbg_info *db, int arity, ir_node *in[]);
2899 /** Constructor for a Start node.
2901 * Adds the node to the block in current_ir_block.
2903 * @param *db A pointer for debug information.
2905 ir_node *new_d_Start (dbg_info *db);
2907 /** Constructor for a End node.
2909 * Adds the node to the block in current_ir_block.
2911 * @param *db A pointer for debug information.
2913 ir_node *new_d_End (dbg_info *db);
2915 /** Constructor for a Jmp node.
2917 * Adds the node to the block in current_ir_block.
2919 * Jmp represents control flow to a single control successor.
2921 * @param *db A pointer for debug information.
2923 ir_node *new_d_Jmp (dbg_info *db);
2925 /** Constructor for an IJmp node.
2927 * IJmp represents control flow to a single control successor not
2928 * statically known i.e. an indirect Jmp.
2930 * @param *db A pointer for debug information.
2931 * @param *tgt The IR node representing the target address.
2933 ir_node *new_d_IJmp (dbg_info *db, ir_node *tgt);
2935 /** Constructor for a Cond node.
2937 * Adds the node to the block in current_ir_block.
2939 * If c is mode_b represents a conditional branch (if/else). If c is
2940 * mode_Is/mode_Iu (?) represents a switch. (Allocates dense Cond
2941 * node, default Proj is 0.)
2943 * This is not consistent: Input to Cond is Is, Proj has as proj number
2946 * @param *db A pointer for debug information.
2947 * @param *c The conditions parameter.Can be of mode b or I_u.
2949 ir_node *new_d_Cond (dbg_info *db, ir_node *c);
2951 /** Constructor for a Return node.
2953 * Adds the node to the block in current_ir_block.
2955 * Returns the memory and zero or more return values. Only node that
2956 * can end regular control flow.
2958 * @param *db A pointer for debug information.
2959 * @param *store The state of memory.
2960 * @param arity Number of array indices.
2961 * @param *in Array with index inputs to the node.
2963 ir_node *new_d_Return (dbg_info *db, ir_node *store, int arity, ir_node *in[]);
2965 /** Constructor for a Const_type node.
2967 * Adds the node to the start block.
2969 * The constant represents a target value. This constructor sets high
2970 * level type information for the constant value.
2971 * Derives mode from passed tarval.
2973 * @param *db A pointer for debug information.
2974 * @param *con Points to an entry in the constant table. This pointer is
2975 added to the attributes of the node.
2976 * @param *tp The type of the constant.
2978 ir_node *new_d_Const_type (dbg_info *db, tarval *con, ir_type *tp);
2980 /** Constructor for a Const node.
2982 * Adds the node to the block in current_ir_block.
2984 * Constructor for a Const node. The constant represents a target
2985 * value. Sets the type information to type_unknown. (No more
2986 * supported: If tv is entity derives a somehow useful type.)
2987 * Derives mode from passed tarval.
2989 * @param *db A pointer for debug information.
2990 * @param *con Points to an entry in the constant table. This pointer is added
2991 * to the attributes of the node.
2993 ir_node *new_d_Const (dbg_info *db, tarval *con);
2995 /** Constructor for a SymConst_type node.
2997 * Adds the node to the block in current_ir_block.
2998 * This is the constructor for a symbolic constant.
2999 * There are four kinds of symbolic constants:
3000 * - type_tag The symbolic constant represents a type tag. The type the
3001 * tag stands for is given explicitly.
3002 * - size The symbolic constant represents the size of a type. The
3003 * type of which the constant represents the size is given
3005 * - addr_name The symbolic constant represents the address of an entity
3006 * (variable or method). The variable is indicated by a name
3007 * that is valid for linking.
3008 * - addr_ent The symbolic constant represents the address of an entity
3009 * (variable or method). The variable is given explicitly by
3012 * Inputs to the node:
3013 * No inputs except the block it belongs to.
3014 * Outputs of the node.
3015 * An unsigned integer (I_u) or a pointer (P).
3017 * @param *db A pointer for debug information.
3018 * @param mode The mode for the SymConst.
3019 * @param value A type, entity or ident depending on the SymConst kind.
3020 * @param kind The kind of the symbolic constant: symconst_type_tag, symconst_type_size,
3021 * symconst_type_align, symconst_addr_name or symconst_addr_ent.
3022 * @param tp The source type of the constant.
3024 ir_node *new_d_SymConst_type(dbg_info *db, ir_mode *mode,
3025 union symconst_symbol value, symconst_kind kind, ir_type *tp);
3027 /** Constructor for a SymConst node.
3029 * Same as new_d_SymConst_type, except that it sets the type to type_unknown.
3031 ir_node *new_d_SymConst(dbg_info *db, ir_mode *mode,
3032 union symconst_symbol value, symconst_kind kind);
3034 /** Constructor for a simpleSel node.
3036 * This is a shortcut for the new_d_Sel() constructor. To be used for
3037 * Sel nodes that do not select from an array, i.e., have no index
3038 * inputs. It adds the two parameters 0, NULL.
3040 * @param *db A pointer for debug information.
3041 * @param *store The memory in which the object the entity should be
3042 * selected from is allocated.
3043 * @param *objptr The object from that the Sel operation selects a
3044 * single attribute out.
3045 * @param *ent The entity to select.
3047 ir_node *new_d_simpleSel(dbg_info *db, ir_node *store, ir_node *objptr, ir_entity *ent);
3049 /** Constructor for a Sel node.
3051 * The select node selects an entity (field or method) from an entity
3052 * with a compound type. It explicitly specifies the entity selected.
3053 * Dynamically the node may select entities that overwrite the given
3054 * entity. If the selected entity is an array element entity the Sel
3055 * node takes the required array indices as inputs.
3056 * Adds the node to the block in current_ir_block.
3058 * @param *db A pointer for debug information.
3059 * @param *store The memory in which the object the entity should be selected
3060 * from is allocated.
3061 * @param *objptr A pointer to a compound entity the Sel operation selects a
3062 * single attribute from.
3063 * @param arity The number of array indices needed to select an array element entity.
3064 * @param *in[] If the compound entity is an array the indices of the selected
3065 * element entity. The constructor copies this array.
3066 * @param *ent The entity to select.
3068 ir_node *new_d_Sel (dbg_info *db, ir_node *store, ir_node *objptr, int arity, ir_node *in[],
3071 /** Constructor for a Call node.
3073 * Represents all kinds of method and function calls.
3074 * Adds the node to the block in current_ir_block.
3076 * @param *db A pointer for debug information.
3077 * @param *store The actual store.
3078 * @param *callee A pointer to the called procedure.
3079 * @param arity The number of procedure parameters.
3080 * @param *in[] An array with the pointers to the parameters. The constructor copies this array.
3081 * @param *tp Type information of the procedure called.
3083 ir_node *new_d_Call (dbg_info *db, ir_node *store, ir_node *callee, int arity, ir_node *in[],
3086 /** Constructor for a Add node.
3088 * Adds the node to the block in current_ir_block.
3090 * @param *db A pointer for debug information.
3091 * @param *op1 The first operand.
3092 * @param *op2 The second operand.
3093 * @param *mode The mode of the operands and the result.
3095 ir_node *new_d_Add (dbg_info *db, ir_node *op1, ir_node *op2, ir_mode *mode);
3097 /** Constructor for a Sub node.
3099 * Adds the node to the block in current_ir_block.
3101 * @param *db A pointer for debug information.
3102 * @param *op1 The first operand.
3103 * @param *op2 The second operand.
3104 * @param *mode The mode of the operands and the result.
3106 ir_node *new_d_Sub (dbg_info *db, ir_node *op1, ir_node *op2, ir_mode *mode);
3108 /** Constructor for a Minus node.
3110 * Adds the node to the block in current_ir_block.
3112 * @param *db A pointer for debug information.
3113 * @param *op The operand .
3114 * @param *mode The mode of the operand and the result.
3116 ir_node *new_d_Minus (dbg_info *db, ir_node *op, ir_mode *mode);
3118 /** Constructor for a Mul node.
3120 * Adds the node to the block in current_ir_block.
3122 * @param *db A pointer for debug information.
3123 * @param *op1 The first operand.
3124 * @param *op2 The second operand.
3125 * @param *mode The mode of the operands and the result.
3127 ir_node *new_d_Mul (dbg_info *db, ir_node *op1, ir_node *op2, ir_mode *mode);
3129 /** Constructor for a Mulh node.
3131 * Adds the node to the block in current_ir_block.
3133 * @param *db A pointer for debug information.
3134 * @param *op1 The first operand.
3135 * @param *op2 The second operand.
3136 * @param *mode The mode of the operands and the result.
3138 ir_node *new_d_Mulh (dbg_info *db, ir_node *op1, ir_node *op2, ir_mode *mode);
3140 /** Constructor for a Quot node.
3142 * Adds the node to the block in current_ir_block.
3144 * @param *db A pointer for debug information.
3145 * @param *memop The store needed to model exceptions
3146 * @param *op1 The first operand.
3147 * @param *op2 The second operand.
3148 * @param *mode The mode of the result.
3149 * @param state The pinned state.
3151 ir_node *new_d_Quot (dbg_info *db, ir_node *memop, ir_node *op1, ir_node *op2, ir_mode *mode, op_pin_state state);
3153 /** Constructor for a DivMod node.
3155 * Adds the node to the block in current_ir_block.
3157 * @param *db A pointer for debug information.
3158 * @param *memop The store needed to model exceptions
3159 * @param *op1 The first operand.
3160 * @param *op2 The second operand.
3161 * @param *mode The mode of the results.
3162 * @param state The pinned state.
3164 ir_node *new_d_DivMod (dbg_info *db, ir_node *memop, ir_node *op1, ir_node *op2, ir_mode *mode, op_pin_state state);
3166 /** Constructor for a Div node.
3168 * Adds the node to the block in current_ir_block.
3170 * @param *db A pointer for debug information.
3171 * @param *memop The store needed to model exceptions
3172 * @param *op1 The first operand.
3173 * @param *op2 The second operand.
3174 * @param *mode The mode of the result.
3175 * @param state The pinned state.
3177 ir_node *new_d_Div (dbg_info *db, ir_node *memop, ir_node *op1, ir_node *op2, ir_mode *mode, op_pin_state state);
3179 /** Constructor for a remainderless Div node.
3181 * Adds the node to the block in current_ir_block.
3183 * @param *db A pointer for debug information.
3184 * @param *memop The store needed to model exceptions
3185 * @param *op1 The first operand.
3186 * @param *op2 The second operand.
3187 * @param *mode The mode of the result.
3188 * @param state The pinned state.
3190 ir_node *new_d_DivRL (dbg_info *db, ir_node *memop, ir_node *op1, ir_node *op2, ir_mode *mode, op_pin_state state);
3192 /** Constructor for a Mod node.
3194 * Adds the node to the block in current_ir_block.
3196 * @param *db A pointer for debug information.
3197 * @param *memop The store needed to model exceptions
3198 * @param *op1 The first operand.
3199 * @param *op2 The second operand.
3200 * @param *mode The mode of the result.
3201 * @param state The pinned state.
3203 ir_node *new_d_Mod (dbg_info *db, ir_node *memop, ir_node *op1, ir_node *op2, ir_mode *mode, op_pin_state state);
3205 /** Constructor for a Abs node.
3207 * Adds the node to the block in current_ir_block.
3209 * @param *db A pointer for debug information.
3210 * @param *op The operand
3211 * @param *mode The mode of the operands and the result.
3213 ir_node *new_d_Abs (dbg_info *db, ir_node *op, ir_mode *mode);
3215 /** Constructor for a And node.
3217 * Adds the node to the block in current_ir_block.
3219 * @param *db A pointer for debug information.
3220 * @param *op1 The first operand.
3221 * @param *op2 The second operand.
3222 * @param *mode The mode of the operands and the result.
3224 ir_node *new_d_And (dbg_info *db, ir_node *op1, ir_node *op2, ir_mode *mode);
3226 /** Constructor for a Or node.
3228 * Adds the node to the block in current_ir_block.
3230 * @param *db A pointer for debug information.
3231 * @param *op1 The first operand.
3232 * @param *op2 The second operand.
3233 * @param *mode The mode of the operands and the result.
3235 ir_node *new_d_Or (dbg_info *db, ir_node *op1, ir_node *op2, ir_mode *mode);
3237 /** Constructor for a Eor node.
3239 * Adds the node to the block in current_ir_block.
3241 * @param *db A pointer for debug information.
3242 * @param *op1 The first operand.
3243 * @param *op2 The second operand.
3244 * @param *mode The mode of the operands and the results.
3246 ir_node *new_d_Eor (dbg_info *db, ir_node *op1, ir_node *op2, ir_mode *mode);
3248 /** Constructor for a Not node.
3250 * Adds the node to the block in current_ir_block.
3252 * @param *db A pointer for debug information.
3253 * @param *op The operand.
3254 * @param *mode The mode of the operand and the result.
3256 ir_node *new_d_Not (dbg_info *db, ir_node *op, ir_mode *mode);
3258 /** Constructor for a Shl node.
3260 * Adds the node to the block in current_ir_block.
3262 * @param *db A pointer for debug information.
3263 * @param *op The operand.
3264 * @param *k The number of bits to shift the operand .
3265 * @param *mode The mode of the operand and the result.
3267 ir_node *new_d_Shl (dbg_info *db, ir_node *op, ir_node *k, ir_mode *mode);
3269 /** Constructor for a Shr node.
3271 * Adds the node to the block in current_ir_block.
3273 * @param *db A pointer for debug information.
3274 * @param *op The operand.
3275 * @param *k The number of bits to shift the operand .
3276 * @param *mode The mode of the operand and the result.
3278 ir_node *new_d_Shr (dbg_info *db, ir_node *op, ir_node *k, ir_mode *mode);
3280 /** Constructor for a Shrs node.
3282 * Adds the node to the block in current_ir_block.
3284 * @param *db A pointer for debug information.
3285 * @param *op The operand.
3286 * @param *k The number of bits to shift the operand .
3287 * @param *mode The mode of the operand and the result.
3289 ir_node *new_d_Shrs (dbg_info *db, ir_node *op, ir_node *k, ir_mode *mode);
3291 /** Constructor for a Rotl node.
3293 * Adds the node to the block in current_ir_block.
3295 * @param *db A pointer for debug information.
3296 * @param *op The operand.
3297 * @param *k The number of bits to rotate the operand.
3298 * @param *mode The mode of the operand.
3300 ir_node *new_d_Rotl (dbg_info *db, ir_node *op, ir_node *k, ir_mode *mode);
3302 /** Constructor for a Cmp node.
3304 * Adds the node to the block in current_ir_block.
3306 * @param *db A pointer for debug information.
3307 * @param *op1 The first operand.
3308 * @param *op2 The second operand.
3310 ir_node *new_d_Cmp (dbg_info *db, ir_node *op1, ir_node *op2);
3312 /** Constructor for a Conv node.
3314 * Adds the node to the block in current_ir_block.
3316 * @param *db A pointer for debug information.
3317 * @param *op The operand.
3318 * @param *mode The mode of this the operand muss be converted .
3320 ir_node *new_d_Conv (dbg_info *db, ir_node *op, ir_mode *mode);
3322 /** Constructor for a strict Conv node.
3324 * Adds the node to the block in current_ir_block.
3326 * @param *db A pointer for debug information.
3327 * @param *op The operand.
3328 * @param *mode The mode of this the operand muss be converted .
3330 ir_node *new_d_strictConv (dbg_info *db, ir_node *op, ir_mode *mode);
3332 /** Constructor for a Cast node.
3334 * High level type cast
3335 * Adds the node to the block in current_ir_block.
3337 * @param *db A pointer for debug information.
3338 * @param *op The operand.
3339 * @param *to_tp The type of this the operand muss be casted .
3341 ir_node *new_d_Cast (dbg_info *db, ir_node *op, ir_type *to_tp);
3343 /** Constructor for a Carry node.
3345 * Adds the node to the block in current_ir_block.
3347 * @param *db A pointer for debug information.
3348 * @param *op1 The first operand.
3349 * @param *op2 The second operand.
3350 * @param *mode The mode of the operands and the result.
3352 ir_node *new_d_Carry (dbg_info *db, ir_node *op1, ir_node *op2, ir_mode *mode);
3354 /** Constructor for a Borrow node.
3356 * Adds the node to the block in current_ir_block.
3358 * @param *db A pointer for debug information.
3359 * @param *op1 The first operand.
3360 * @param *op2 The second operand.
3361 * @param *mode The mode of the operands and the result.
3363 ir_node *new_d_Borrow (dbg_info *db, ir_node *op1, ir_node *op2, ir_mode *mode);
3365 /** Constructor for a Phi node.
3367 * Adds the node to the block in current_ir_block.
3369 * @param *db A pointer for debug information.
3370 * @param arity The number of predecessors
3371 * @param *in Array with predecessors
3372 * @param *mode The mode of it's inputs and output.
3374 ir_node *new_d_Phi (dbg_info *db, int arity, ir_node *in[], ir_mode *mode);
3376 /** Constructor for a Load node.
3378 * Adds the node to the block in current_ir_block.
3380 * @param *db A pointer for debug information.
3381 * @param *store The current memory
3382 * @param *addr A pointer to the variable to be read in this memory.
3383 * @param *mode The mode of the value to be loaded.
3384 * @param flags Additional flags for alignment, volatility and pin state.
3386 ir_node *new_d_Load(dbg_info *db, ir_node *store, ir_node *addr, ir_mode *mode, cons_flags flags);
3388 /** Constructor for a Store node.
3390 * Adds the node to the block in current_ir_block.
3392 * @param *db A pointer for debug information.
3393 * @param *store The current memory
3394 * @param *addr A pointer to the variable to be read in this memory.
3395 * @param *val The value to write to this variable.
3396 * @param flags Additional flags for alignment, volatility and pin state.
3398 ir_node *new_d_Store(dbg_info *db, ir_node *store, ir_node *addr, ir_node *val, cons_flags flags);
3400 /** Constructor for a Alloc node.
3402 * The Alloc node extends the memory by space for an entity of type alloc_type.
3403 * Adds the node to the block in current_ir_block.
3405 * @param *db A pointer for debug information.
3406 * @param *store The memory which shall contain the new variable.
3407 * @param *size The number of bytes to allocate.
3408 * @param *alloc_type The type of the allocated variable.
3409 * @param where Where to allocate the variable, either heap_alloc or stack_alloc.
3411 ir_node *new_d_Alloc (dbg_info *db, ir_node *store, ir_node *size, ir_type *alloc_type,
3412 ir_where_alloc where);
3414 /** Constructor for a Free node.
3416 * Frees the memory occupied by the entity pointed to by the pointer
3417 * arg. Type indicates the type of the entity the argument points to.
3418 * Adds the node to the block in current_ir_block.
3420 * @param *db A pointer for debug information.
3421 * @param *store The memory which shall contain the new variable.
3422 * @param *ptr The pointer to the object to free.
3423 * @param *size The number of objects of type free_type to free in a sequence.
3424 * @param *free_type The type of the freed variable.
3425 * @param where Where the variable was allocated, either heap_alloc or stack_alloc.
3427 ir_node *new_d_Free (dbg_info *db, ir_node *store, ir_node *ptr, ir_node *size,
3428 ir_type *free_type, ir_where_alloc where);
3430 /** Constructor for a Sync node.
3432 * Merges several memory values. The node assumes that a variable
3433 * either occurs only in one of the memories, or it contains the same
3434 * value in all memories where it occurs.
3435 * Adds the node to the block in current_ir_block.
3437 * @param *db A pointer for debug information.
3438 * @param arity The number of memories to synchronize.
3439 * @param **in An array of pointers to nodes that produce an output of type
3440 * memory. The constructor copies this array.
3442 ir_node *new_d_Sync (dbg_info *db, int arity, ir_node *in[]);
3444 /** Constructor for a Proj node.
3446 * Projects a single value out of a tuple. The parameter proj gives the
3447 * position of the value within the tuple.
3448 * Adds the node to the block in current_ir_block.
3450 * @param *db A pointer for deubug information.
3451 * @param arg A node producing a tuple.
3452 * @param *mode The mode of the value to project.
3453 * @param proj The position of the value in the tuple.
3455 ir_node *new_d_Proj (dbg_info *db, ir_node *arg, ir_mode *mode, long proj);
3457 /** Constructor for a defaultProj node.
3459 * Represents the default control flow of a Switch-Cond node.
3460 * Adds the node to the block in current_ir_block.
3462 * @param *db A pointer for debug information.
3463 * @param arg A node producing a tuple.
3464 * @param max_proj The end position of the value in the tuple.
3466 ir_node *new_d_defaultProj (dbg_info *db, ir_node *arg, long max_proj);
3468 /** Constructor for a Tuple node.
3470 * This is an auxiliary node to replace a node that returns a tuple
3471 * without changing the corresponding Proj nodes.
3472 * Adds the node to the block in current_ir_block.
3474 * @param *db A pointer for debug information.
3475 * @param arity The number of tuple elements.
3476 * @param **in An array containing pointers to the nodes producing the tuple elements.
3478 ir_node *new_d_Tuple (dbg_info *db, int arity, ir_node *in[]);
3480 /** Constructor for a Id node.
3482 * This is an auxiliary node to replace a node that returns a single
3483 * value. Adds the node to the block in current_ir_block.
3485 * @param *db A pointer for debug information.
3486 * @param *val The operand to Id.
3487 * @param *mode The mode of *val.
3489 ir_node *new_d_Id (dbg_info *db, ir_node *val, ir_mode *mode);
3491 /** Constructor for a Confirm node.
3493 * Constructor for a Confirm node. Adds the node to the block in current_ir_block.
3494 * Specifies constraints for a value. To support dataflow analyses.
3496 * Example: If the value never exceeds '100' this is expressed by placing a
3497 * Confirm node val = new_d_Confirm(db, val, 100, '<=') on the dataflow edge.
3499 * @param *db A pointer for debug information.
3500 * @param *val The value we express a constraint for
3501 * @param *bound The value to compare against. Must be a firm node, typically a constant.
3502 * @param cmp The compare operation.
3504 ir_node *new_d_Confirm (dbg_info *db, ir_node *val, ir_node *bound, pn_Cmp cmp);
3506 /** Constructor for an Unknown node.
3508 * Represents an arbitrary value. Places the node in
3511 * @param *m The mode of the unknown value.
3513 ir_node *new_d_Unknown(ir_mode *m);
3515 /** Constructor for a CallBegin node.
3517 * CallBegin represents control flow depending of the pointer value
3518 * representing the called method to the called methods. The
3519 * constructor copies the method pointer input from the passed Call
3520 * node.Adds the node to the block in current_ir_block.
3522 * @param *db A pointer for debug information.
3523 * @param *callee The call node visible in the intra procedural view.
3525 ir_node *new_d_CallBegin(dbg_info *db, ir_node *callee);
3527 /** Constructor for an EndReg node.
3529 *Adds the node to the block in current_ir_block.
3531 * @param *db A pointer for debug information.
3533 ir_node *new_d_EndReg (dbg_info *db);
3535 /** Constructor for an EndExcept node.
3537 * Used to represent regular procedure end in interprocedual view.
3538 * Adds the node to the block in current_ir_block.
3540 * @param *db A pointer for debug information.
3542 ir_node *new_d_EndExcept(dbg_info *db);
3544 /** Constructor for a Break node.
3546 * Used to represent exceptional procedure end in interprocedural view.
3547 * Adds the node to the block in current_ir_block.
3549 * Break represents control flow to a single control successor just as Jmp.
3550 * The blocks separated by a break may not be concatenated by an optimization.
3551 * It is used for the interprocedural representation where blocks are parted
3552 * behind Call nodes to represent the control flow to called procedures.
3554 * @param *db A pointer for debug information.
3556 ir_node *new_d_Break (dbg_info *db);
3558 /** Constructor for a Filter node.
3560 * Constructor for a Filter node. Adds the node to the block in
3561 * current_ir_block. Filter is a node with two views used to
3562 * construct the interprocedural view. In intraprocedural view its
3563 * semantics are identical to the Proj node. In interprocedural view
3564 * the Filter performs the Phi operation on method parameters or
3565 * results. Other than a Phi a Filter node may not be removed if it
3566 * has only a single input.
3568 * The constructor builds the Filter in intraprocedural view.
3570 * @param *db A pointer for debug information.
3571 * @param *arg The tuple value to project from.
3572 * @param *mode The mode of the projected value.
3573 * @param proj The position in the tuple to project from.
3575 ir_node *new_d_Filter (dbg_info *db, ir_node *arg, ir_mode *mode, long proj);
3577 /** Constructor for a Mux node.
3579 * @param *db A pointer for debug information.
3580 * @param *sel The ir_node that calculates the boolean select.
3581 * @param *ir_true The ir_node that calculates the true result.
3582 * @param *ir_false The ir_node that calculates the false result.
3583 * @param *mode The mode of the node (and it_true and ir_false).
3585 ir_node *new_d_Mux (dbg_info *db, ir_node *sel,
3586 ir_node *ir_false, ir_node *ir_true, ir_mode *mode);
3588 /** Constructor for a CopyB node.
3590 * @param *db A pointer for debug information.
3591 * @param *store The current memory
3592 * @param *dst The ir_node that represents the destination address.
3593 * @param *src The ir_node that represents the source address.
3594 * @param *data_type The type of the copied data
3596 ir_node *new_d_CopyB(dbg_info *db, ir_node *store, ir_node *dst, ir_node *src, ir_type *data_type);
3598 /** Constructor for a InstOf node.
3600 * A High-Level Type check.
3602 * @param *db A pointer for debug information.
3603 * @param *store The memory in which the object the entity should be selected
3604 * from is allocated.
3605 * @param *objptr A pointer to a object of a class type.
3606 * @param *type The type of which objptr must be.
3608 ir_node *new_d_InstOf (dbg_info *db, ir_node *store, ir_node *objptr, ir_type *type);
3610 /** Constructor for a Raise node.
3612 * A High-Level Exception throw.
3614 * @param *db A pointer for debug information.
3615 * @param *store The current memory.
3616 * @param *obj A pointer to the Except variable.
3618 ir_node *new_d_Raise (dbg_info *db, ir_node *store, ir_node *obj);
3620 /** Constructor for a Bound node.
3622 * A High-Level bounds check. Checks whether lower <= idx && idx < upper.
3624 * @param *db A pointer for debug information.
3625 * @param *store The current memory
3626 * @param *idx The ir_node that represents an index.
3627 * @param *lower The ir_node that represents the lower bound for the index.
3628 * @param *upper The ir_node that represents the upper bound for the index.
3630 ir_node *new_d_Bound(dbg_info *db, ir_node *store, ir_node *idx, ir_node *lower, ir_node *upper);
3632 /** Constructor for a Pin node.
3634 * @param *db A pointer for debug information.
3635 * @param *node The node which value should be pinned.
3637 ir_node *new_d_Pin(dbg_info *db, ir_node *node);
3639 /** Constructor for an ASM pseudo node.
3641 * @param *db A pointer for debug information.
3642 * @param arity The number of data inputs to the node.
3643 * @param *in The array of length arity of data inputs.
3644 * @param *inputs The array of length arity of input constraints.
3645 * @param n_outs The number of data outputs to the node.
3646 * @param *outputs The array of length n_outs of output constraints.
3647 * @param n_clobber The number of clobbered registers.
3648 * @param *clobber The array of length n_clobber of clobbered registers.
3649 * @param *asm_text The assembler text.
3651 ir_node *new_d_ASM(dbg_info *db, int arity, ir_node *in[], ir_asm_constraint *inputs,
3652 int n_outs, ir_asm_constraint *outputs,
3653 int n_clobber, ident *clobber[], ident *asm_text);
3655 /*-----------------------------------------------------------------------*/
3656 /* The block oriented interface without debug support */
3657 /*-----------------------------------------------------------------------*/
3659 /* Needed from the interface with debug support:
3660 void set_cur_block (ir_node *target); */
3662 /** Constructor for a Block node.
3664 * Constructor for a Block node. Adds the block to the graph in
3665 * current_ir_graph. Constructs a Block with a fixed number of
3666 * predecessors. Does set current_block. Can be used with automatic
3667 * Phi node construction.
3669 * @param arity The number of control predecessors.
3670 * @param in An array of control predecessors. The length of
3671 * the array must be 'arity'.
3673 ir_node *new_Block(int arity, ir_node *in[]);
3675 /** Constructor for a Start node.
3677 * Adds the node to the block in current_ir_block.
3680 ir_node *new_Start (void);
3682 /** Constructor for an End node.
3684 * Adds the node to the block in current_ir_block.
3686 ir_node *new_End (void);
3688 /** Constructor for an EndReg node.
3690 * Used to represent regular procedure end in interprocedual view.
3691 * Adds the node to the block in current_ir_block.
3693 ir_node *new_EndReg (void);
3695 /** Constructor for an EndExpcept node.
3697 * Used to represent exceptional procedure end in interprocedural view.
3698 * Adds the node to the block in current_ir_block.
3700 ir_node *new_EndExcept(void);
3702 /** Constructor for a Jump node.
3704 * Adds the node to the block in current_ir_block.
3706 * Jmp represents control flow to a single control successor.
3708 ir_node *new_Jmp (void);
3710 /** Constructor for an IJmp node.
3712 * IJmp represents control flow to a single control successor not
3713 * statically known i.e. an indirect Jmp.
3715 * @param *tgt The IR node representing the target address.
3717 ir_node *new_IJmp (ir_node *tgt);
3719 /** Constructor for a Break node.
3720 * Break represents control flow to a single control successor just as Jmp.
3721 * The blocks separated by a break may not be concatenated by an optimization.
3722 * It is used for the interprocedural representation where blocks are parted
3723 * behind Call nodes to represent the control flow to called procedures.
3724 * Adds the node to the block in current_ir_block.
3726 ir_node *new_Break (void);
3728 /** Constructor for a Cond node.
3730 * If c is mode_b represents a conditional branch (if/else). If c is
3731 * mode_Is/mode_Iu (?) represents a switch. (Allocates dense Cond
3732 * node, default Proj is 0.). Adds the node to the block in current_ir_block.
3734 * This is not consistent: Input to Cond is Is, Proj has as proj number
3738 * @param *c The conditions parameter.Can be of mode b or I_u.
3740 ir_node *new_Cond (ir_node *c);
3742 /** Constructor for a Return node.
3744 * Returns the memory and zero or more return values. Only node that
3745 * can end regular control flow. Adds the node to the block in current_ir_block.
3747 * @param *store The state of memory.
3748 * @param arity Number of array indices.
3749 * @param *in Array with index inputs to the node.
3751 ir_node *new_Return (ir_node *store, int arity, ir_node *in[]);
3753 /** Constructor for a Const node.
3755 * Constructor for a Const node. The constant represents a target
3756 * value. Sets the type information to type_unknown. (No more
3757 * supported: If tv is entity derives a somehow useful type.)
3758 * Adds the node to the block in current_ir_block.
3759 * Derives mode from passed tarval.
3761 * @param *con Points to an entry in the constant table. This pointer is
3762 * added to the attributes of the node.
3764 ir_node *new_Const (tarval *con);
3767 * Make a const from a long.
3768 * This is just convenience for the usual
3770 * new_Const(mode, tarval_from_long(mode, ...))
3773 * @param mode The mode for the const.
3774 * @param value The value of the constant.
3775 * @return A new const node.
3777 ir_node *new_Const_long(ir_mode *mode, long value);
3779 /** Constructor for a Const node.
3781 * Derives mode from passed tarval. */
3782 ir_node *new_Const_type(tarval *con, ir_type *tp);
3784 /** Constructor for a SymConst node.
3786 * Adds the node to the block in current_ir_block.
3787 * This is the constructor for a symbolic constant.
3788 * There are four kinds of symbolic constants:
3789 * -# type_tag The symbolic constant represents a type tag. The type the
3790 * tag stands for is given explicitly.
3791 * -# size The symbolic constant represents the size of a type. The
3792 * type of which the constant represents the size is given
3794 * -# align The symbolic constant represents the alignment of a type. The
3795 * type of which the constant represents the size is given
3797 * -# addr_name The symbolic constant represents the address of an entity
3798 * (variable or method). The variable is indicated by a name
3799 * that is valid for linking.
3800 * -# addr_ent The symbolic constant represents the address of an entity
3801 * (variable or method). The variable is given explicitly by
3804 * Inputs to the node:
3805 * No inputs except the block it belongs to.
3806 * Outputs of the node.
3807 * An unsigned integer (I_u) or a pointer (P).
3809 * @param mode The mode for the SymConst.
3810 * @param value A type or a ident depending on the SymConst kind.
3811 * @param kind The kind of the symbolic constant: symconst_type_tag, symconst_type_size
3812 * symconst_type_align, symconst_addr_name or symconst_addr_ent.
3813 * @param tp The source type of the constant.
3815 ir_node *new_SymConst_type(ir_mode *mode, union symconst_symbol value, symconst_kind kind, ir_type *tp);
3817 /** Constructor for a SymConst node.
3819 * Adds the node to the block in current_ir_block.
3820 * This is the constructor for a symbolic constant.
3821 * There are four kinds of symbolic constants:
3822 * -# type_tag The symbolic constant represents a type tag. The type the
3823 * tag stands for is given explicitly.
3824 * -# size The symbolic constant represents the size of a type. The
3825 * type of which the constant represents the size is given
3827 * -# align The symbolic constant represents the alignment of a type. The
3828 * type of which the constant represents the size is given
3830 * -# addr_name The symbolic constant represents the address of an entity
3831 * (variable or method). The variable is indicated by a name
3832 * that is valid for linking.
3833 * -# addr_ent The symbolic constant represents the address of an entity
3834 * (variable or method). The variable is given explicitly by
3837 * Inputs to the node:
3838 * No inputs except the block it belongs to.
3839 * Outputs of the node.
3840 * An unsigned integer (I_u) or a pointer (P).
3842 * @param mode The mode for the SymConst.
3843 * @param value A type or a ident depending on the SymConst kind.
3844 * @param kind The kind of the symbolic constant: symconst_type_tag, symconst_type_size
3845 * symconst_type_align, symconst_addr_name or symconst_addr_ent.
3847 ir_node *new_SymConst(ir_mode *mode, union symconst_symbol value, symconst_kind kind);
3849 /** Constructor for a simpelSel node.
3851 * This is a shortcut for the new_Sel() constructor. To be used for
3852 * Sel nodes that do not select from an array, i.e., have no index
3853 * inputs. It adds the two parameters 0, NULL.
3855 * @param *store The memory in which the object the entity should be selected from is allocated.
3856 * @param *objptr The object from that the Sel operation selects a single attribute out.
3857 * @param *ent The entity to select.
3859 ir_node *new_simpleSel(ir_node *store, ir_node *objptr, ir_entity *ent);
3861 /** Constructor for a Sel node.
3863 * The select node selects an entity (field or method) from an entity
3864 * with a compound type. It explicitly specifies the entity selected.
3865 * Dynamically the node may select entities that overwrite the given
3866 * entity. If the selected entity is an array element entity the Sel
3867 * node takes the required array indices as inputs.
3868 * Adds the node to the block in current_ir_block.
3870 * @param *store The memory in which the object the entity should be selected
3871 * from is allocated.
3872 * @param *objptr A pointer to a compound entity the Sel operation selects a
3873 * single attribute from.
3874 * @param arity The number of array indices needed to select an array element entity.
3875 * @param *in[] If the compound entity is an array the indices of the selected
3876 * element entity. The constructor copies this array.
3877 * @param *ent The entity to select.
3879 ir_node *new_Sel (ir_node *store, ir_node *objptr, int arity, ir_node *in[],
3882 /** Constructor for a Call node.
3884 * Adds the node to the block in current_ir_block.
3885 * Represents all kinds of method and function calls.
3887 * @param *store The actual store.
3888 * @param *callee A pointer to the called procedure.
3889 * @param arity The number of procedure parameters.
3890 * @param *in[] An array with the pointers to the parameters. The constructor copies this array.
3891 * @param *tp Type information of the procedure called.
3893 ir_node *new_Call (ir_node *store, ir_node *callee, int arity, ir_node *in[],
3896 /** Constructor for a CallBegin node.
3898 * CallBegin represents control flow depending of the pointer value
3899 * representing the called method to the called methods. The
3900 * constructor copies the method pointer input from the passed Call
3901 * node. Adds the node to the block in current_ir_block.
3903 * @param *callee A pointer to the called procedure.
3905 ir_node *new_CallBegin(ir_node *callee);
3907 /** Constructor for a Add node.
3909 * Adds the node to the block in current_ir_block.
3911 * @param *op1 The first operand.
3912 * @param *op2 The second operand.
3913 * @param *mode The mode of the operands and the result.
3915 ir_node *new_Add (ir_node *op1, ir_node *op2, ir_mode *mode);
3917 /** Constructor for a Sub node.
3919 * Adds the node to the block in current_ir_block.
3921 * @param *op1 The first operand.
3922 * @param *op2 The second operand.
3923 * @param *mode The mode of the operands and the result.
3925 ir_node *new_Sub (ir_node *op1, ir_node *op2, ir_mode *mode);
3927 /** Constructor for a Minus node.
3929 * Adds the node to the block in current_ir_block.
3931 * @param *op The operand .
3932 * @param *mode The mode of the operand and the result.
3934 ir_node *new_Minus (ir_node *op, ir_mode *mode);
3937 * Constructor for a Mul node. Adds the node to the block in current_ir_block.
3939 * @param *op1 The first operand.
3940 * @param *op2 The second operand.
3941 * @param *mode The mode of the operands and the result.
3943 ir_node *new_Mul (ir_node *op1, ir_node *op2, ir_mode *mode);
3946 * Constructor for a Mulh node. Adds the node to the block in current_ir_block.
3948 * @param *op1 The first operand.
3949 * @param *op2 The second operand.
3950 * @param *mode The mode of the operands and the result.
3952 ir_node *new_Mulh (ir_node *op1, ir_node *op2, ir_mode *mode);
3954 /** Constructor for a Quot node.
3956 * Adds the node to the block in current_ir_block.
3958 * @param *memop The store needed to model exceptions
3959 * @param *op1 The first operand.
3960 * @param *op2 The second operand.
3961 * @param *mode The mode of the result.
3962 * @param state The pinned state.
3964 ir_node *new_Quot (ir_node *memop, ir_node *op1, ir_node *op2, ir_mode *mode, op_pin_state state);
3966 /** Constructor for a DivMod node.
3968 * Adds the node to the block in current_ir_block.
3970 * @param *memop The store needed to model exceptions
3971 * @param *op1 The first operand.
3972 * @param *op2 The second operand.
3973 * @param *mode The mode of the results.
3974 * @param state The pinned state.
3976 ir_node *new_DivMod (ir_node *memop, ir_node *op1, ir_node *op2, ir_mode *mode, op_pin_state state);
3978 /** Constructor for a Div node.
3980 * Adds the node to the block in current_ir_block.
3982 * @param *memop The store needed to model exceptions
3983 * @param *op1 The first operand.
3984 * @param *op2 The second operand.
3985 * @param *mode The mode of the result.
3986 * @param state The pinned state.
3988 ir_node *new_Div (ir_node *memop, ir_node *op1, ir_node *op2, ir_mode *mode, op_pin_state state);
3990 /** Constructor for a remainderless Div node.
3992 * Adds the node to the block in current_ir_block.
3994 * @param *memop The store needed to model exceptions
3995 * @param *op1 The first operand.
3996 * @param *op2 The second operand.
3997 * @param *mode The mode of the result.
3998 * @param state The pinned state.
4000 ir_node *new_DivRL (ir_node *memop, ir_node *op1, ir_node *op2, ir_mode *mode, op_pin_state state);
4002 /** Constructor for a Mod node.
4004 * Adds the node to the block in current_ir_block.
4006 * @param *memop The store needed to model exceptions
4007 * @param *op1 The first operand.
4008 * @param *op2 The second operand.
4009 * @param *mode The mode of the result.
4010 * @param state The pinned state.
4012 ir_node *new_Mod (ir_node *memop, ir_node *op1, ir_node *op2, ir_mode *mode, op_pin_state state);
4014 /** Constructor for a Abs node.
4016 * Adds the node to the block in current_ir_block.
4018 * @param *op The operand
4019 * @param *mode The mode of the operands and the result.
4021 ir_node *new_Abs (ir_node *op, ir_mode *mode);
4023 /** Constructor for a And node.
4025 * Adds the node to the block in current_ir_block.
4027 * @param *op1 The first operand.
4028 * @param *op2 The second operand.
4029 * @param *mode The mode of the operands and the result.
4031 ir_node *new_And (ir_node *op1, ir_node *op2, ir_mode *mode);
4034 * Constructor for a Or node. Adds the node to the block in current_ir_block.
4036 * @param *op1 The first operand.
4037 * @param *op2 The second operand.
4038 * @param *mode The mode of the operands and the result.
4040 ir_node *new_Or (ir_node *op1, ir_node *op2, ir_mode *mode);
4043 * Constructor for a Eor node. Adds the node to the block in current_ir_block.
4045 * @param *op1 The first operand.
4046 * @param *op2 The second operand.
4047 * @param *mode The mode of the operands and the results.
4049 ir_node *new_Eor (ir_node *op1, ir_node *op2, ir_mode *mode);
4051 /** Constructor for a Not node.
4053 * Adds the node to the block in current_ir_block.
4055 * @param *op The operand.
4056 * @param *mode The mode of the operand and the result.
4058 ir_node *new_Not (ir_node *op, ir_mode *mode);
4060 /** Constructor for a Shl node.
4062 * Adds the node to the block in current_ir_block.
4064 * @param *op The operand.
4065 * @param *k The number of bits to shift the operand .
4066 * @param *mode The mode of the operand and the result.
4068 ir_node *new_Shl (ir_node *op, ir_node *k, ir_mode *mode);
4071 * Constructor for a Shr node. Adds the node to the block in current_ir_block.
4073 * @param *op The operand.
4074 * @param *k The number of bits to shift the operand .
4075 * @param *mode The mode of the operand and the result.
4077 ir_node *new_Shr (ir_node *op, ir_node *k, ir_mode *mode);
4079 /** Constructor for a Shrs node.
4081 * Adds the node to the block in current_ir_block.
4083 * @param *op The operand.
4084 * @param *k The number of bits to shift the operand .
4085 * @param *mode The mode of the operand and the result.
4087 ir_node *new_Shrs (ir_node *op, ir_node *k, ir_mode *mode);
4089 /** Constructor for a Rotl node.
4091 * Adds the node to the block in current_ir_block.
4093 * @param *op The operand.
4094 * @param *k The number of bits to rotate the operand.
4095 * @param *mode The mode of the operand.
4097 ir_node *new_Rotl (ir_node *op, ir_node *k, ir_mode *mode);
4099 /** Constructor for a Cmp node.
4101 * Adds the node to the block in current_ir_block.
4103 * @param *op1 The first operand.
4104 * @param *op2 The second operand.
4106 ir_node *new_Cmp (ir_node *op1, ir_node *op2);
4108 /** Constructor for a Conv node.
4110 * Adds the node to the block in current_ir_block.
4112 * @param *op The operand.
4113 * @param *mode The mode of this the operand muss be converted.
4115 ir_node *new_Conv (ir_node *op, ir_mode *mode);
4117 /** Constructor for a strict Conv node.
4119 * Adds the node to the block in current_ir_block.
4121 * @param *op The operand.
4122 * @param *mode The mode of this the operand muss be converted.
4124 ir_node *new_strictConv (ir_node *op, ir_mode *mode);
4126 /** Constructor for a Cast node.
4128 * Adds the node to the block in current_ir_block.
4129 * High level type cast
4131 * @param *op The operand.
4132 * @param *to_tp The type of this the operand muss be casted .
4134 ir_node *new_Cast (ir_node *op, ir_type *to_tp);
4136 /** Constructor for a Carry node.
4138 * Adds the node to the block in current_ir_block.
4140 * @param *op1 The first operand.
4141 * @param *op2 The second operand.
4142 * @param *mode The mode of the operands and the result.
4144 ir_node *new_Carry (ir_node *op1, ir_node *op2, ir_mode *mode);
4146 /** Constructor for a Borrow node.
4148 * Adds the node to the block in current_ir_block.
4150 * @param *op1 The first operand.
4151 * @param *op2 The second operand.
4152 * @param *mode The mode of the operands and the result.
4154 ir_node *new_Borrow (ir_node *op1, ir_node *op2, ir_mode *mode);
4156 /** Constructor for a Phi node.
4158 * Adds the node to the block in current_ir_block.
4160 * @param arity The number of predecessors.
4161 * @param *in Array with predecessors.
4162 * @param *mode The mode of it's inputs and output.
4164 ir_node *new_Phi (int arity, ir_node *in[], ir_mode *mode);
4166 /** Constructor for a Load node.
4168 * @param *store The current memory.
4169 * @param *addr A pointer to the variable to be read in this memory.
4170 * @param *mode The mode of the value to be loaded.
4171 * @param flags Additional flags for alignment, volatility and pin state.
4173 ir_node *new_Load(ir_node *store, ir_node *addr, ir_mode *mode, cons_flags flags);
4175 /** Constructor for a Store node.
4177 * @param *store The current memory.
4178 * @param *addr A pointer to the variable to be read in this memory.
4179 * @param *val The value to write to this variable.
4180 * @param flags Additional flags for alignment, volatility and pin state.
4182 ir_node *new_Store(ir_node *store, ir_node *addr, ir_node *val, cons_flags flags);
4184 /** Constructor for a Alloc node.
4186 * The Alloc node extends the memory by space for an entity of type alloc_type.
4187 * Adds the node to the block in current_ir_block.
4189 * @param *store The memory which shall contain the new variable.
4190 * @param *size The number of bytes to allocate.
4191 * @param *alloc_type The type of the allocated variable.
4192 * @param where Where to allocate the variable, either heap_alloc or stack_alloc.
4194 ir_node *new_Alloc (ir_node *store, ir_node *size, ir_type *alloc_type,
4195 ir_where_alloc where);
4197 /** Constructor for a Free node.
4199 * Frees the memory occupied by the entity pointed to by the pointer
4200 * arg. Type indicates the type of the entity the argument points to.
4201 * Adds the node to the block in current_ir_block.
4203 * @param *store The memory which shall contain the new variable.
4204 * @param *ptr The pointer to the object to free.
4205 * @param *size The number of objects of type free_type to free in a sequence.
4206 * @param *free_type The type of the freed variable.
4207 * @param where Where the variable was allocated, either heap_alloc or stack_alloc.
4209 ir_node *new_Free (ir_node *store, ir_node *ptr, ir_node *size,
4210 ir_type *free_type, ir_where_alloc where);
4212 /** Constructor for a Sync node.
4214 * Merges several memory values. The node assumes that a variable
4215 * either occurs only in one of the memories, or it contains the same
4216 * value in all memories where it occurs.
4217 * Adds the node to the block in current_ir_block.
4219 * @param arity The number of memories to synchronize.
4220 * @param **in An array of pointers to nodes that produce an output of type
4221 * memory. The constructor copies this array.
4223 ir_node *new_Sync (int arity, ir_node *in[]);
4225 /** Constructor for a Proj node.
4227 * Projects a single value out of a tuple. The parameter proj gives the
4228 * position of the value within the tuple.
4229 * Adds the node to the block in current_ir_block.
4231 * @param arg A node producing a tuple.
4232 * @param *mode The mode of the value to project.
4233 * @param proj The position of the value in the tuple.
4235 ir_node *new_Proj (ir_node *arg, ir_mode *mode, long proj);
4237 /** Constructor for a Filter node.
4239 * Constructor for a Filter node. Adds the node to the block in current_ir_block.
4240 * Filter is a node with two views used to construct the interprocedural view.
4241 * In intraprocedural view its semantics are identical to the Proj node.
4242 * In interprocedural view the Filter performs the Phi operation on method
4243 * parameters or results. Other than a Phi a Filter node may not be removed
4244 * if it has only a single input.
4246 * The constructor builds the Filter in intraprocedural view.
4248 * @param *arg The tuple value to project from.
4249 * @param *mode The mode of the projected value.
4250 * @param proj The position in the tuple to project from.
4252 ir_node *new_Filter (ir_node *arg, ir_mode *mode, long proj);
4254 /** Constructor for a defaultProj node.
4256 * Represents the default control flow of a Switch-Cond node.
4257 * Adds the node to the block in current_ir_block.
4259 * @param arg A node producing a tuple.
4260 * @param max_proj The end position of the value in the tuple.
4262 ir_node *new_defaultProj (ir_node *arg, long max_proj);
4264 /** Constructor for a Tuple node.
4266 * This is an auxiliary node to replace a node that returns a tuple
4267 * without changing the corresponding Proj nodes.
4268 * Adds the node to the block in current_ir_block.
4270 * @param arity The number of tuple elements.
4271 * @param **in An array containing pointers to the nodes producing the tuple elements.
4273 ir_node *new_Tuple (int arity, ir_node *in[]);
4275 /** Constructor for an Id node.
4277 * This is an auxiliary node to replace a node that returns a single
4278 * value. Adds the node to the block in current_ir_block.
4280 * @param *val The operand to Id.
4281 * @param *mode The mode of *val.
4283 ir_node *new_Id (ir_node *val, ir_mode *mode);
4285 /** Constructor for a Bad node.
4287 * Returns the unique Bad node of the graph. The same as
4290 ir_node *new_Bad (void);
4292 /** Constructor for a Confirm node.
4294 * Specifies constraints for a value. To support dataflow analyses.
4295 * Adds the node to the block in current_ir_block.
4297 * Example: If the value never exceeds '100' this is expressed by placing a
4298 * Confirm node val = new_d_Confirm(db, val, 100, '<=') on the dataflow edge.
4300 * @param *val The value we express a constraint for
4301 * @param *bound The value to compare against. Must be a firm node, typically a constant.
4302 * @param cmp The compare operation.
4304 ir_node *new_Confirm (ir_node *val, ir_node *bound, pn_Cmp cmp);
4306 /** Constructor for an Unknown node.
4308 * Represents an arbitrary value. Places the node in
4311 * @param *m The mode of the unknown value.
4313 ir_node *new_Unknown(ir_mode *m);
4315 /** Constructor for a NoMem node.
4317 * Returns the unique NoMem node of the graph. The same as
4320 ir_node *new_NoMem (void);
4322 /** Constructor for a Mux node.
4324 * Adds the node to the block in current_ir_block.
4326 * @param *sel The ir_node that calculates the boolean select.
4327 * @param *ir_true The ir_node that calculates the true result.
4328 * @param *ir_false The ir_node that calculates the false result.
4329 * @param *mode The mode of the node (and it_true and ir_false).
4331 ir_node *new_Mux (ir_node *sel, ir_node *ir_false, ir_node *ir_true, ir_mode *mode);
4333 /** Constructor for a CopyB node.
4335 * Adds the node to the block in current_ir_block.
4337 * @param *store The current memory
4338 * @param *dst The ir_node that represents the destination address.
4339 * @param *src The ir_node that represents the source address.
4340 * @param *data_type The type of the copied data
4342 ir_node *new_CopyB(ir_node *store, ir_node *dst, ir_node *src, ir_type *data_type);
4344 /** Constructor for a InstOf node.
4346 * A High-Level Type check.
4348 * @param *store The memory in which the object the entity should be selected
4349 * from is allocated.
4350 * @param *objptr A pointer to a object of a class type.
4351 * @param *type The type of which objptr must be.
4353 ir_node *new_InstOf (ir_node *store, ir_node *objptr, ir_type *type);
4355 /**Constructor for a Raise node.
4357 * A High-Level Exception throw.
4359 * @param *store The current memory.
4360 * @param *obj A pointer to the Except variable.
4362 ir_node *new_Raise (ir_node *store, ir_node *obj);
4364 /** Constructor for a Bound node.
4366 * A High-Level bounds check. Checks whether lower <= idx && idx < upper.
4368 * Adds the node to the block in current_ir_block.
4370 * @param *store The current memory
4371 * @param *idx The ir_node that represents an index.
4372 * @param *lower The ir_node that represents the lower bound for the index.
4373 * @param *upper The ir_node that represents the upper bound for the index.
4375 ir_node *new_Bound (ir_node *store, ir_node *idx, ir_node *lower, ir_node *upper);
4377 /** Constructor for a Pin node.
4379 * @param *node The node which value should be pinned.
4381 ir_node *new_Pin (ir_node *node);
4383 /** Constructor for an ASM pseudo node.
4385 * @param arity The number of data inputs to the node.
4386 * @param *in The array of length arity of data inputs.
4387 * @param *inputs The array of length arity of input constraints.
4388 * @param n_outs The number of data outputs to the node.
4389 * @param *outputs The array of length n_outs of output constraints.
4390 * @param n_clobber The number of clobbered registers.
4391 * @param *clobber The array of length n_clobber of clobbered registers.
4392 * @param *asm_text The assembler text.
4394 ir_node *new_ASM(int arity, ir_node *in[], ir_asm_constraint *inputs,
4395 int n_outs, ir_asm_constraint *outputs,
4396 int n_clobber, ident *clobber[], ident *asm_text);
4398 /*---------------------------------------------------------------------*/
4399 /* The comfortable interface. */
4400 /* Supports automatic Phi node construction. */
4401 /* All routines of the block oriented interface except new_Block are */
4403 /*---------------------------------------------------------------------*/
4405 /** Create an immature Block.
4407 * An immature Block has an unknown number of predecessors. Predecessors
4408 * can be added with add_immBlock_pred(). Once all predecessors are
4409 * added the block must be matured.
4411 * Adds the block to the graph in current_ir_graph. Can be used with automatic
4412 * Phi node construction.
4413 * This constructor can only be used if the graph is in state_building.
4415 ir_node *new_d_immBlock(dbg_info *db);
4416 ir_node *new_immBlock(void);
4418 /** Create an immature PartBlock.
4420 * An immature block has only one Block or PartBlock predecessor.
4421 * A PartBlock forms together with one BLock and possibly other
4422 * PartBlocks a MacroBlock.
4424 * Adds the PartBlock to the graph in current_ir_graph. Does set
4425 * current_block. Can be used with automatic Phi node construction.
4426 * This constructor can only be used if the graph is in
4429 ir_node *new_d_immPartBlock(dbg_info *db, ir_node *pred_jmp);
4430 ir_node *new_immPartBlock(ir_node *pred_jmp);
4432 /** Add a control flow edge to an immature block. */
4433 void add_immBlock_pred(ir_node *immblock, ir_node *jmp);
4435 /** Finalize a Block node, when all control flows are known. */
4436 void mature_immBlock(ir_node *block);
4437 #define mature_cur_block() mature_immBlock(get_cur_block());
4440 /** Get the current value of a local variable.
4442 * Use this function to obtain the last definition of the local variable
4443 * associated with pos. Pos may not exceed the value passed as n_loc
4444 * to new_ir_graph. This call automatically inserts Phi nodes.
4446 * @param *db A pointer for debug information.
4447 * @param pos The position/id of the local variable.
4448 * @param *mode The mode of the value to get.
4450 ir_node *get_d_value(dbg_info *db, int pos, ir_mode *mode);
4451 ir_node *get_value(int pos, ir_mode *mode);
4453 /** Remark a new definition of a variable.
4455 * Use this function to remember a new definition of the value
4456 * associated with pos. Pos may not exceed the value passed as n_loc
4457 * to new_ir_graph. This call is needed to automatically inserts Phi
4460 * @param pos The position/id of the local variable.
4461 * @param *value The new value written to the local variable.
4463 void set_value(int pos, ir_node *value);
4465 /** Find the value number for a node in the current block.
4467 * This function searches all values in the current block for
4468 * a given value and returns its value number if it was found, else
4470 * Note that this does not mean that the value does not exists,
4471 * it's just not equal the node (for instance behind a Phi/Confirm ...)
4473 * @param *value The value to find.
4475 int find_value(ir_node *value);
4477 /** Get the current memory state.
4479 * Use this function to obtain the last definition of the memory
4480 * state. This call automatically inserts Phi nodes for the memory
4483 ir_node *get_store(void);
4485 /** Remark a new definition of the memory state.
4487 * Use this function to remember a new definition of the memory state.
4488 * This call is needed to automatically inserts Phi nodes.
4490 * @param *store The new memory state.
4492 void set_store(ir_node *store);
4494 /** keep this node alive even if End is not control-reachable from it
4496 * @param ka The node to keep alive.
4498 void keep_alive(ir_node *ka);
4500 /** Returns the frame type of the current graph */
4501 ir_type *get_cur_frame_type(void);
4504 /* --- initialize and finalize IR construction --- */
4506 /** Puts the graph into state "phase_high" */
4507 #define irg_finalize_cons(irg) set_irg_phase_state(irg, phase_high)
4509 /** Puts the program and all graphs into state phase_high.
4511 * This also remarks, the construction of types is finished,
4512 * e.g., that no more subtypes will be added. */
4513 void irp_finalize_cons(void);
4515 /* --- Initialization --- */
projects / libfirm / blob