3 * File name: ir/ir/irprog.c
4 * Purpose: Entry point to the representation of a whole program.
5 * Author: Goetz Lindenmaier
9 * Copyright: (c) 2000-2003 Universität Karlsruhe
10 * Licence: This file protected by GPL - GNU GENERAL PUBLIC LICENSE.
22 #include "irgraph_t.h"
23 #include "pseudo_irg.h"
29 #define GLOBAL_TYPE_NAME "GlobalType"
30 #define INITAL_PROG_NAME "no_name_set"
32 /* A variable from where everything in the ir can be accessed. */
34 ir_prog *get_irp(void) { return irp; }
37 * Create a new incomplete ir_prog.
39 static ir_prog *new_incomplete_ir_prog (void) {
42 res = xmalloc (sizeof(*res));
43 memset(res, 0, sizeof(*res));
46 res->kind = k_ir_prog;
47 res->graphs = NEW_ARR_F(ir_graph *, 0);
48 res->pseudo_graphs = NEW_ARR_F(ir_graph *, 0);
49 res->types = NEW_ARR_F(ir_type *, 0);
50 res->modes = NEW_ARR_F(ir_mode *, 0);
51 res->opcodes = NEW_ARR_F(ir_op *, 0);
60 /** Completes an incomplete irprog. */
61 static ir_prog *complete_ir_prog(ir_prog *irp) {
63 irp->name = new_id_from_str(INITAL_PROG_NAME);
65 irp->glob_type = new_type_class(new_id_from_str (GLOBAL_TYPE_NAME));
66 /* Remove type from type list. Must be treated differently than
68 remove_irp_type(irp->glob_type);
70 irp->const_code_irg = new_const_code_irg();
72 irp->phase_state = phase_building;
73 irp->outs_state = outs_none;
74 irp->ip_outedges = NULL;
75 irp->trouts_state = outs_none;
76 irp->class_cast_state = ir_class_casts_transitive;
81 /* initializes ir_prog. Constructs only the basic lists */
82 void init_irprog_1(void) {
83 new_incomplete_ir_prog();
86 /* Completes ir_prog. */
87 void init_irprog_2(void) {
88 complete_ir_prog(irp);
91 /* Create a new ir prog. Automatically called by init_firm through
93 ir_prog *new_ir_prog (void) {
94 return complete_ir_prog(new_incomplete_ir_prog());
97 /* frees all memory used by irp. Types in type list, irgs in irg
98 list and entities in global type must be freed by hand before. */
99 void free_ir_prog(void) {
101 free_type(irp->glob_type);
103 /* @@@ * free_ir_graph(irp->const_code_irg); * ?? End has no in?? */
104 DEL_ARR_F(irp->graphs);
105 DEL_ARR_F(irp->pseudo_graphs);
106 DEL_ARR_F(irp->types);
107 DEL_ARR_F(irp->modes);
108 DEL_ARR_F(irp->opcodes);
111 irp->const_code_irg = NULL;
115 /*- Functions to access the fields of ir_prog -*/
118 /* Access the main routine of the compiled program. */
119 ir_graph *get_irp_main_irg(void) {
121 return irp->main_irg;
124 void set_irp_main_irg(ir_graph *main_irg) {
126 irp->main_irg = main_irg;
129 ir_type *(get_glob_type)(void) {
130 return _get_glob_type();
133 /* Adds irg to the list of ir graphs in irp. */
134 void add_irp_irg(ir_graph *irg) {
135 assert (irg != NULL);
136 assert(irp && irp->graphs);
137 ARR_APP1 (ir_graph *, irp->graphs, irg);
140 /* Removes irg from the list or irgs, shrinks the list by one. */
141 void remove_irp_irg_from_list(ir_graph *irg){
144 for (i = 0; i < (ARR_LEN (irp->graphs)); i++) {
145 if (irp->graphs[i] == irg) {
147 for(; i < (ARR_LEN (irp->graphs)) - 1; i++) {
148 irp->graphs[i] = irp->graphs[i+1];
150 ARR_SETLEN(ir_graph*, irp->graphs, (ARR_LEN(irp->graphs)) - 1);
155 for (i = 0; i < (ARR_LEN (irp->pseudo_graphs)); i++) {
156 if (irp->pseudo_graphs[i] == irg) {
157 for(; i < (ARR_LEN (irp->pseudo_graphs)) - 1; i++) {
158 irp->pseudo_graphs[i] = irp->pseudo_graphs[i+1];
160 ARR_SETLEN(ir_graph*, irp->pseudo_graphs, (ARR_LEN(irp->pseudo_graphs)) - 1);
167 /* Removes irg from the list or irgs, shrinks the list by one. */
168 void remove_irp_irg(ir_graph *irg){
171 remove_irp_irg_from_list(irg);
174 int (get_irp_n_irgs)(void) {
175 return _get_irp_n_irgs();
178 ir_graph *(get_irp_irg)(int pos){
179 return _get_irp_irg(pos);
182 void set_irp_irg(int pos, ir_graph *irg) {
184 assert (pos < (ARR_LEN(irp->graphs)));
185 irp->graphs[pos] = irg;
188 /* Gets the number of graphs _and_ pseudo graphs. */
189 int get_irp_n_allirgs(void) {
190 /* We can not call get_irp_n_irgs, as we end up in a recursion ... */
191 return ARR_LEN(irp->graphs) + get_irp_n_pseudo_irgs();
194 /* Returns the ir graph at position pos of all graphs (including
195 pseudo graphs). Visits first graphs, then pseudo graphs. */
196 ir_graph *get_irp_allirg(int pos) {
197 int n_irgs = ARR_LEN(irp->graphs);
200 return irp->graphs[pos];
202 return get_irp_pseudo_irg(pos-n_irgs);
206 /* Adds type to the list of types in irp. */
207 void add_irp_type(ir_type *typ) {
208 assert (typ != NULL);
210 ARR_APP1 (ir_type *, irp->types, typ);
213 /* Remove type form the list of types in irp. */
214 void remove_irp_type(ir_type *typ) {
218 for (i = ARR_LEN(irp->types) -1; i >= 0; i--) {
219 if (irp->types[i] == typ) {
220 for(; i < (ARR_LEN(irp->types)) - 1; i++) {
221 irp->types[i] = irp->types[i+1];
223 ARR_SETLEN(ir_type *, irp->types, (ARR_LEN(irp->types)) - 1);
229 int (get_irp_n_types) (void) {
230 return _get_irp_n_types();
233 ir_type *(get_irp_type) (int pos) {
234 return _get_irp_type(pos);
237 void set_irp_type(int pos, ir_type *typ) {
239 assert (pos < (ARR_LEN((irp)->types)));
240 irp->types[pos] = typ;
243 /* Returns the number of all modes in the irp. */
244 int (get_irp_n_modes)(void) {
245 return _get_irp_n_modes();
248 /* Returns the mode at position pos in the irp. */
249 ir_mode *(get_irp_mode)(int pos) {
250 return _get_irp_mode(pos);
253 /* Adds mode to the list of modes in irp. */
254 void add_irp_mode(ir_mode *mode) {
255 assert(mode != NULL);
257 ARR_APP1(ir_mode *, irp->modes, mode);
260 /* Adds opcode to the list of opcodes in irp. */
261 void add_irp_opcode(ir_op *opcode) {
262 assert(opcode != NULL);
264 ARR_APP1(ir_op *, irp->opcodes, opcode);
267 /* Removes opcode from the list of opcodes and shrinks the list by one. */
268 void remove_irp_opcode(ir_op *opcode) {
272 for (i = ARR_LEN(irp->opcodes) -1; i >= 0; i--) {
273 if (irp->opcodes[i] == opcode) {
274 for(; i < (ARR_LEN(irp->opcodes)) - 1; i++) {
275 irp->opcodes[i] = irp->opcodes[i+1];
277 ARR_SETLEN(ir_op *, irp->opcodes, (ARR_LEN(irp->opcodes)) - 1);
283 /* Returns the number of all opcodes in the irp. */
284 int (get_irp_n_opcodes)(void) {
285 return _get_irp_n_opcodes();
288 /* Returns the opcode at position pos in the irp. */
289 ir_op *(get_irp_opcode)(int pos) {
290 return _get_irp_opcode(pos);
293 /* Sets the generic function pointer of all opcodes to NULL */
294 void clear_irp_opcodes_generic_func(void) {
297 for (i = get_irp_n_opcodes() - 1; i >= 0; --i) {
298 ir_op *op = get_irp_opcode(i);
299 op->ops.generic = (op_func)NULL;
303 /*- File name / executable name or the like -*/
304 void set_irp_prog_name(ident *name) {
307 int irp_prog_name_is_set(void) {
308 return irp->name != new_id_from_str(INITAL_PROG_NAME);
310 ident *get_irp_prog_ident(void) {
313 const char *get_irp_prog_name(void) {
314 return get_id_str(irp->name);
318 ir_graph *(get_const_code_irg)(void) {
319 return _get_const_code_irg();
322 irg_phase_state get_irp_phase_state(void) {
323 return irp->phase_state;
325 void set_irp_phase_state(irg_phase_state s) {
326 irp->phase_state = s;
329 irg_outs_state get_irp_ip_outs_state(void) {
330 return irp->outs_state;
333 void set_irp_ip_outs_inconsistent(void) {
334 irp->outs_state = outs_inconsistent;
337 void set_irp_ip_outedges(ir_node ** ip_outedges)
339 irp->ip_outedges = ip_outedges;
342 ir_node** get_irp_ip_outedges(void)
344 return irp->ip_outedges;
348 irg_callee_info_state get_irp_callee_info_state(void) {
349 return irp->callee_info_state;
352 void set_irp_callee_info_state(irg_callee_info_state s) {
353 irp->callee_info_state = s;