3 /* Copyright (C) 1998 - 2000 by Universitaet Karlsruhe
4 ** All rights reserved.
6 ** Authors: Martin Trapp, Christian Schaefer
8 ** declarations of an ir node
22 /* projection numbers of compare. */
27 Le, /* less or equal */
29 Ge, /* greater or equal */
30 Lg, /* less or greater */
31 Leg, /* less, equal or greater = ordered */
33 Ue, /* unordered or equal */
34 Ul, /* unordered or less */
35 Ule, /* unordered, less or equal */
36 Ug, /* unordered or greater */
37 Uge, /* unordered, greater or equal */
38 Ne, /* unordered, less or greater = not equal */
40 not_mask = Leg /* bits to flip to negate comparison */
44 get_pnc_string(int pnc);
47 get_negated_pnc(int pnc);
50 /* projection numbers for result of Start node. */
52 pns_initial_exec, /* Projection on an executable, the initial control
54 pns_global_store, /* Projection on the global store */
55 pns_frame_base, /* Projection on the frame base */
56 pns_globals, /* Projection on the pointer to the data segment
57 containing _all_ global entities. */
58 pns_args /* Projection on all arguments */
61 /* ir node attributes */
63 unsigned long block_visit; /* for the walker that walks over all blocks. */
64 /* Attributes private to construction: */
65 bool matured; /* if set, all in-nodes of the block are fixed */
66 struct ir_node **graph_arr; /* array to store all parameters */
70 type_tag, /* The SymConst is a type tag for the given type. */
71 size, /* The SymConst is the size of the given type. */
72 linkage_ptr_info /* The SymConst is a symbolic pointer to be filled in
87 static_linkage, /* entity is used internal and not visible out of this
89 external_linkage, /* */
94 entity *ent; /* entity to select */
95 linkage_type *ltyp; /* linkage type of the entity */
99 stack_alloc, /* Alloc allocates the object on the stack. */
100 heap_alloc /* lloc allocates the object on the heap. */
104 type *type; /* Type of the allocated object. */
105 where_alloc where; /* stack, heap or other managed part of memory */
108 /* Some irnodes just have one attribute, these are stored here,
109 some have more. Their name is 'irnodename_attr' */
111 block_attr block; /* For Block: Fields needed to construct it */
112 struct tarval *con; /* For Const: contains the value of the constant */
113 symconst_attr i; /* For SymConst. */
114 sel_attr s; /* For Sel. */
115 type_method *call; /* For Call: pointer to the type of the method to call */
116 long proj; /* For Proj: contains the result position to project */
117 alloc_attr a; /* For Alloc. */
118 type *f; /* For Free. */
119 int phi0_pos; /* For Phi. Used to remember the value defined by
120 this Phi node. Needed when the Phi is completed
121 to call get_r_internal_value to find the
122 predecessors. If this attribute is set, the Phi
123 node takes the role of the obsolete Phi0 node,
124 therefore the name. */
128 /* common structure of an irnode */
129 /* if the node has some attributes, they are stored in attr */
132 firm_kind kind; /* distinguishes this node from others */
133 ir_op *op; /* Opcode of this node. */
134 ir_mode *mode; /* Mode of this node. */
135 unsigned long visit; /* visited counter for walks of the graph */
136 struct ir_node **in; /* array with predecessors / operands */
137 struct ir_node *link; /* for linking nodes somehow to a list, e.g.
138 used while construction to link Phi0 nodes and
139 during optimization to link to nodes that
140 shall replace a node. */
141 attr attr; /* attribute of this node. Depends on opcode. */
142 /* Must be last attribute of struct ir_node. */
146 /* The typedefiniton of ir_node is also in irgraph.h to resolve
147 recursion between irnode.h and irgraph.h */
148 #ifndef _IR_NODE_TYPEDEF_
149 #define _IR_NODE_TYPEDEF_
150 typedef struct ir_node ir_node;
153 #if 0 /* I didn't manage to place this here as it causes cyclic inclusion
154 of header files/a cyclic dependency between ir_graph and ir_node. */
155 /* irnode constructor */
156 /* Create a new irnode in irg, with an op, mode, arity and */
157 /* some incoming irnodes. */
158 /* If arity is negative, a node with a dynamic array is created. */
159 /*CS inline ir_node *new_ir_node (int *irg, ir_node *block, ir_op *op,
160 ir_mode *mode, int arity, ir_node **in);
166 new_ir_node (ir_graph *irg,
174 /* Print IR-Nodes with attributes */
175 /* @@@@ brauchen wir dienoch? dann fliegt ev. das xprint raus?*/
176 int ir_node_print (XP_PAR1, const xprintf_info *, XP_PARN);
179 /** manipulate the fields of ir_node **/
181 /* returns the number of predecessors without the block predecessor: */
182 int get_irn_arity (ir_node *node);
183 /* returns the array with the ins: */
184 inline ir_node **get_irn_in (ir_node *node);
185 /* to iterate through the predecessors without touching the array. No
186 order of predecessors guaranteed.
187 To iterate over the operands iterate from 0 to i < get_irn_arity(),
188 to iterate includind the Block predecessor iterate from i = -1 to
189 i < get_irn_arity. */
190 inline ir_node *get_irn_n (ir_node *node, int n);
191 inline void set_irn_n (ir_node *node, int n, ir_node *in);
192 inline ir_mode *get_irn_mode (ir_node *node);
193 inline modecode get_irn_modecode (ir_node *node);
194 inline ir_op *get_irn_op (ir_node *node);
195 /* should be private to the library: */
196 inline void set_irn_op (ir_node *node, ir_op *op);
197 inline opcode get_irn_opcode (ir_node *node);
198 inline void set_irn_link (ir_node *node, ir_node *link);
199 inline ir_node *get_irn_link (ir_node *node);
202 /** access attributes directly **/
203 inline tarval *get_irn_const_attr (ir_node *node);
204 inline long get_irn_proj_attr (ir_node *node);
205 inline alloc_attr get_irn_alloc_attr (ir_node *node);
206 inline type *get_irn_free_attr (ir_node *node);
207 inline symconst_attr get_irn_symconst_attr (ir_node *node);
208 type_method *get_irn_call_attr (ir_node *node);
209 sel_attr get_irn_sel_attr (ir_node *node);
210 int get_irn_phi_attr (ir_node *node);
211 block_attr get_irn_return_attr (ir_node *node);
213 /** manipulate fields of individual nodes **/
215 /* this works for all except Block */
216 inline ir_node *get_nodes_Block (ir_node *node);
217 inline void set_nodes_Block (ir_node *node, ir_node *block);
219 int get_Block_n_cfgpreds (ir_node *node);
220 /* inline void set_Block_n_cfgpreds (ir_node *node, int n_preds); */
221 inline ir_node *get_Block_cfgpred (ir_node *node, int pos);
222 inline void set_Block_cfgpred (ir_node *node, int pos, ir_node *pred);
223 inline bool get_Block_matured (ir_node *node);
224 inline void set_Block_matured (ir_node *node, bool matured);
225 inline bool get_Block_closed (ir_node *node);
226 inline void set_Block_closed (ir_node *node, bool closed);
227 inline unsigned long get_Block_block_visit (ir_node *node);
228 inline void set_Block_block_visit (ir_node *node, unsigned long visit);
229 inline ir_node *get_Block_graph_arr (ir_node *node, int pos);
230 inline void set_Block_graph_arr (ir_node *node, int pos, ir_node *value);
232 inline ir_node *get_Cond_selector (ir_node *node);
233 inline void set_Cond_selector (ir_node *node, ir_node *selector);
235 inline ir_node *get_Return_mem (ir_node *node);
236 inline void set_Return_mem (ir_node *node, ir_node *mem);
237 inline int get_Return_n_res (ir_node *node);
238 /*inline void set_Return_n_res (ir_node *node, int results); */
239 inline ir_node *get_Return_res (ir_node *node, int pos);
240 inline void set_Return_res (ir_node *node, int pos, ir_node *res);
242 inline ir_node *get_Raise_mem (ir_node *node);
243 inline void set_Raise_mem (ir_node *node, ir_node *mem);
244 inline ir_node *get_Raise_exoptr (ir_node *node); /* PoinTeR to EXception Object */
245 inline void set_Raise_exoptr (ir_node *node, ir_node *exoptr);
247 inline tarval *get_Const_tarval (ir_node *node);
248 inline void set_Const_tarval (ir_node *node, tarval *con);
250 inline symconst_kind get_SymConst_kind (ir_node *node);
251 inline void set_SymConst_kind (ir_node *node, symconst_kind num);
252 inline type *get_SymConst_type (ir_node *node);
253 inline void set_SymConst_type (ir_node *node, type *type);
254 inline ident *get_SymConst_ptrinfo (ir_node *node);
255 inline void set_SymConst_ptrinfo (ir_node *node, ident *ptrinfo);
257 inline ir_node *get_Sel_mem (ir_node *node);
258 inline void set_Sel_mem (ir_node *node, ir_node *mem);
259 inline ir_node *get_Sel_ptr (ir_node *node); /* ptr to the object to select from */
260 inline void set_Sel_ptr (ir_node *node, ir_node *ptr);
261 inline int get_Sel_n_index (ir_node *node);
262 /*inline void set_Sel_n_index (ir_node *node, int n_index); */
263 inline ir_node *get_Sel_index (ir_node *node, int pos);
264 inline void set_Sel_index (ir_node *node, int pos, ir_node *index);
265 inline entity *get_Sel_entity (ir_node *node); /* entity to select */
266 inline void set_Sel_entity (ir_node *node, entity *ent);
267 inline linkage_type *get_Sel_linkage_type (ir_node *node);
268 inline void set_Sel_linkage_type (ir_node *node, linkage_type *lt);
270 inline ir_node *get_Call_mem (ir_node *node);
271 inline void set_Call_mem (ir_node *node, ir_node *mem);
272 inline ir_node *get_Call_ptr (ir_node *node);
273 inline void set_Call_ptr (ir_node *node, ir_node *ptr);
274 inline int get_Call_arity (ir_node *node);
275 /* inline void set_Call_arity (ir_node *node, ir_node *arity); */
276 inline ir_node *get_Call_param (ir_node *node, int pos);
277 inline void set_Call_param (ir_node *node, int pos, ir_node *param);
278 inline type_method *get_Call_type (ir_node *node);
279 inline void set_Call_type (ir_node *node, type_method *type);
281 /* For unary and binary arithmetic operations the access to the
282 operands can be factored out. Left is the first, right the
283 second arithmetic value as listed in tech report 1999-44.
284 unops are: Minus, Abs, Not, Conv
285 binops are: Add, Sub, Mul, Quot, DivMod, Div, Mod, And, Or, Eor, Shl,
286 Shr, Shrs, Rot, Cmp */
287 inline int is_unop (ir_node *node);
288 inline ir_node *get_unop_op (ir_node *node);
289 inline void set_unop_op (ir_node *node, ir_node *op);
290 inline int is_binop (ir_node *node);
291 inline ir_node *get_binop_left (ir_node *node);
292 inline void set_binop_left (ir_node *node, ir_node *left);
293 inline ir_node *get_binop_right (ir_node *node);
294 inline void set_binop_right (ir_node *node, ir_node *right);
296 inline ir_node *get_Add_left (ir_node *node);
297 inline void set_Add_left (ir_node *node, ir_node *left);
298 inline ir_node *get_Add_right (ir_node *node);
299 inline void set_Add_right (ir_node *node, ir_node *right);
301 inline ir_node *get_Sub_left (ir_node *node);
302 inline void set_Sub_left (ir_node *node, ir_node *left);
303 inline ir_node *get_Sub_right (ir_node *node);
304 inline void set_Sub_right (ir_node *node, ir_node *right);
306 inline ir_node *get_Minus_op (ir_node *node);
307 inline void set_Minus_op (ir_node *node, ir_node *op);
309 inline ir_node *get_Mul_left (ir_node *node);
310 inline void set_Mul_left (ir_node *node, ir_node *left);
311 inline ir_node *get_Mul_right (ir_node *node);
312 inline void set_Mul_right (ir_node *node, ir_node *right);
314 inline ir_node *get_Quot_left (ir_node *node);
315 inline void set_Quot_left (ir_node *node, ir_node *left);
316 inline ir_node *get_Quot_right (ir_node *node);
317 inline void set_Quot_right (ir_node *node, ir_node *right);
318 inline ir_node *get_Quot_mem (ir_node *node);
319 inline void set_Quot_mem (ir_node *node, ir_node *mem);
321 inline ir_node *get_DivMod_left (ir_node *node);
322 inline void set_DivMod_left (ir_node *node, ir_node *left);
323 inline ir_node *get_DivMod_right (ir_node *node);
324 inline void set_DivMod_right (ir_node *node, ir_node *right);
325 inline ir_node *get_DivMod_mem (ir_node *node);
326 inline void set_DivMod_mem (ir_node *node, ir_node *mem);
328 inline ir_node *get_Div_left (ir_node *node);
329 inline void set_Div_left (ir_node *node, ir_node *left);
330 inline ir_node *get_Div_right (ir_node *node);
331 inline void set_Div_right (ir_node *node, ir_node *right);
332 inline ir_node *get_Div_mem (ir_node *node);
333 inline void set_Div_mem (ir_node *node, ir_node *mem);
335 inline ir_node *get_Mod_left (ir_node *node);
336 inline void set_Mod_left (ir_node *node, ir_node *left);
337 inline ir_node *get_Mod_right (ir_node *node);
338 inline void set_Mod_right (ir_node *node, ir_node *right);
339 inline ir_node *get_Mod_mem (ir_node *node);
340 inline void set_Mod_mem (ir_node *node, ir_node *mem);
342 inline ir_node *get_Abs_op (ir_node *node);
343 inline void set_Abs_op (ir_node *node, ir_node *op);
345 inline ir_node *get_And_left (ir_node *node);
346 inline void set_And_left (ir_node *node, ir_node *left);
347 inline ir_node *get_And_right (ir_node *node);
348 inline void set_And_right (ir_node *node, ir_node *right);
350 inline ir_node *get_Or_left (ir_node *node);
351 inline void set_Or_left (ir_node *node, ir_node *left);
352 inline ir_node *get_Or_right (ir_node *node);
353 inline void set_Or_right (ir_node *node, ir_node *right);
355 inline ir_node *get_Eor_left (ir_node *node);
356 inline void set_Eor_left (ir_node *node, ir_node *left);
357 inline ir_node *get_Eor_right (ir_node *node);
358 inline void set_Eor_right (ir_node *node, ir_node *right);
360 inline ir_node *get_Not_op (ir_node *node);
361 inline void set_Not_op (ir_node *node, ir_node *op);
363 inline ir_node *get_Cmp_left (ir_node *node);
364 inline void set_Cmp_left (ir_node *node, ir_node *left);
365 inline ir_node *get_Cmp_right (ir_node *node);
366 inline void set_Cmp_right (ir_node *node, ir_node *right);
368 inline ir_node *get_Shl_left (ir_node *node);
369 inline void set_Shl_left (ir_node *node, ir_node *left);
370 inline ir_node *get_Shl_right (ir_node *node);
371 inline void set_Shl_right (ir_node *node, ir_node *right);
373 inline ir_node *get_Shr_left (ir_node *node);
374 inline void set_Shr_left (ir_node *node, ir_node *left);
375 inline ir_node *get_Shr_right (ir_node *node);
376 inline void set_Shr_right (ir_node *node, ir_node *right);
378 inline ir_node *get_Shrs_left (ir_node *node);
379 inline void set_Shrs_left (ir_node *node, ir_node *left);
380 inline ir_node *get_Shrs_right (ir_node *node);
381 inline void set_Shrs_right (ir_node *node, ir_node *right);
383 inline ir_node *get_Rot_left (ir_node *node);
384 inline void set_Rot_left (ir_node *node, ir_node *left);
385 inline ir_node *get_Rot_right (ir_node *node);
386 inline void set_Rot_right (ir_node *node, ir_node *right);
388 inline ir_node *get_Conv_op (ir_node *node);
389 inline void set_Conv_op (ir_node *node, ir_node *op);
391 inline int get_Phi_n_preds (ir_node *node);
392 /* inline void set_Phi_n_preds (ir_node *node, int n_preds); */
393 inline ir_node *get_Phi_pred (ir_node *node, int pos);
394 inline void set_Phi_pred (ir_node *node, int pos, ir_node *pred);
396 inline ir_node *get_Load_mem (ir_node *node);
397 inline void set_Load_mem (ir_node *node, ir_node *mem);
398 inline ir_node *get_Load_ptr (ir_node *node);
399 inline void set_Load_ptr (ir_node *node, ir_node *ptr);
401 inline ir_node *get_Store_mem (ir_node *node);
402 inline void set_Store_mem (ir_node *node, ir_node *mem);
403 inline ir_node *get_Store_ptr (ir_node *node);
404 inline void set_Store_ptr (ir_node *node, ir_node *ptr);
405 inline ir_node *get_Store_value (ir_node *node);
406 inline void set_Store_value (ir_node *node, ir_node *value);
408 inline ir_node *get_Alloc_mem (ir_node *node);
409 inline void set_Alloc_mem (ir_node *node, ir_node *mem);
410 inline ir_node *get_Alloc_size (ir_node *node);
411 inline void set_Alloc_size (ir_node *node, ir_node *size);
412 inline type *get_Alloc_type (ir_node *node);
413 inline void set_Alloc_type (ir_node *node, type *type);
414 inline where_alloc get_Alloc_where (ir_node *node);
415 inline void set_Alloc_where (ir_node *node, where_alloc where);
417 inline ir_node *get_Free_mem (ir_node *node);
418 inline void set_Free_mem (ir_node *node, ir_node *mem);
419 inline ir_node *get_Free_ptr (ir_node *node);
420 inline void set_Free_ptr (ir_node *node, ir_node *ptr);
421 inline ir_node *get_Free_size (ir_node *node);
422 inline void set_Alloc_size (ir_node *node, ir_node *size);
423 inline type *get_Free_type (ir_node *node);
424 inline void set_Free_type (ir_node *node, type *type);
426 inline int get_Sync_n_preds (ir_node *node);
427 /* inline void set_Sync_n_preds (ir_node *node, int n_preds); */
428 inline ir_node *get_Sync_pred (ir_node *node, int pos);
429 inline void set_Sync_pred (ir_node *node, int pos, ir_node *pred);
431 inline ir_node *get_Proj_pred (ir_node *node);
432 inline void set_Proj_pred (ir_node *node, ir_node *pred);
433 inline long get_Proj_proj (ir_node *node);
434 inline void set_Proj_proj (ir_node *node, long proj);
436 inline int get_Tuple_n_preds (ir_node *node);
437 /* inline void set_Tuple_n_preds (ir_node *node, int n_preds); */
438 inline ir_node *get_Tuple_pred (ir_node *node, int pos);
439 inline void set_Tuple_pred (ir_node *node, int pos, ir_node *pred);
441 inline ir_node *get_Id_pred (ir_node *node);
442 inline void set_Id_pred (ir_node *node, ir_node *pred);
446 /******************************************************************/
447 /* Auxiliary routines */
448 /******************************************************************/
450 /* returns operand of node if node is a Proj. */
451 inline ir_node *skip_Proj (ir_node *node);
452 /* returns operand of node if node is a Id */
453 inline ir_node *skip_nop (ir_node *node);
454 /* returns true if node is a Bad node. */
455 inline int is_Bad (ir_node *node);
456 /* returns true if the node is not a Block */
457 inline int is_no_Block (ir_node *node);
458 /* Returns true if the operation manipulates control flow:
459 Start, End, Jmp, Cond, Return, Raise */
460 int is_cfop(ir_node *node);
461 /* Returns true if the operation can change the control flow because
463 int is_fragile_op(ir_node *node);
465 # endif /* _IRNODE_H_ */