5 * Permission is hereby granted, free of charge, to any person obtaining a copy of
6 * this software and associated documentation files (the "Software"), to deal in
7 * the Software without restriction, including without limitation the rights to
8 * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies
9 * of the Software, and to permit persons to whom the Software is furnished to do
10 * so, subject to the following conditions:
12 * The above copyright notice and this permission notice shall be included in all
13 * copies or substantial portions of the Software.
15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
16 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
17 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
18 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
19 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
20 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
36 typedef struct ir_value_s {
41 /* even the IR knows the subtype of a field */
43 /* and the output type of a function */
46 MEM_VECTOR_MAKE(struct ir_instr_s*, reads);
47 MEM_VECTOR_MAKE(struct ir_instr_s*, writes);
56 struct ir_value_s *vpointer;
57 struct ir_function_s *vfunc;
63 /* filled by the local-allocator */
65 /* added for members */
69 /* for acessing vectors */
70 struct ir_value_s *members[3];
71 struct ir_value_s *memberof;
73 /* For the temp allocator */
74 MEM_VECTOR_MAKE(ir_life_entry_t, life);
77 int32_t ir_value_code_addr(const ir_value*);
79 /* ir_value can be a variable, or created by an operation */
80 ir_value* ir_value_var(const char *name, int st, int vtype);
81 /* if a result of an operation: the function should store
82 * it to remember to delete it / garbage collect it
84 ir_value* ir_value_out(struct ir_function_s *owner, const char *name, int st, int vtype);
85 void ir_value_delete(ir_value*);
86 void ir_value_set_name(ir_value*, const char *name);
87 ir_value* ir_value_vector_member(ir_value*, unsigned int member);
89 MEM_VECTOR_PROTO_ALL(ir_value, struct ir_instr_s*, reads);
90 MEM_VECTOR_PROTO_ALL(ir_value, struct ir_instr_s*, writes);
92 bool GMQCC_WARN ir_value_set_float(ir_value*, float f);
93 bool GMQCC_WARN ir_value_set_func(ir_value*, int f);
95 bool GMQCC_WARN ir_value_set_int(ir_value*, int i);
97 bool GMQCC_WARN ir_value_set_string(ir_value*, const char *s);
98 bool GMQCC_WARN ir_value_set_vector(ir_value*, vector v);
99 bool GMQCC_WARN ir_value_set_field(ir_value*, ir_value *fld);
100 /*bool ir_value_set_pointer_v(ir_value*, ir_value* p); */
101 /*bool ir_value_set_pointer_i(ir_value*, int i); */
103 MEM_VECTOR_PROTO(ir_value, ir_life_entry_t, life);
104 /* merge an instruction into the life-range */
105 /* returns false if the lifepoint was already known */
106 bool ir_value_life_merge(ir_value*, size_t);
107 bool ir_value_life_merge_into(ir_value*, const ir_value*);
108 /* check if a value lives at a specific point */
109 bool ir_value_lives(ir_value*, size_t);
110 /* check if the life-range of 2 values overlaps */
111 bool ir_values_overlap(const ir_value*, const ir_value*);
113 void ir_value_dump(ir_value*, int (*oprintf)(const char*,...));
114 void ir_value_dump_life(ir_value *self, int (*oprintf)(const char*,...));
116 /* A vector of IR values */
118 MEM_VECTOR_MAKE(ir_value*, v);
120 MEM_VECTOR_PROTO(ir_value_vector, ir_value*, v);
123 typedef struct ir_phi_entry_s
126 struct ir_block_s *from;
130 typedef struct ir_instr_s
135 struct ir_block_s* (bops[2]);
137 MEM_VECTOR_MAKE(ir_phi_entry_t, phi);
138 MEM_VECTOR_MAKE(ir_value*, params);
140 /* For the temp-allocation */
143 struct ir_block_s *owner;
146 ir_instr* ir_instr_new(struct ir_block_s *owner, int opcode);
147 void ir_instr_delete(ir_instr*);
149 MEM_VECTOR_PROTO(ir_value, ir_phi_entry_t, phi);
150 bool GMQCC_WARN ir_instr_op(ir_instr*, int op, ir_value *value, bool writing);
152 MEM_VECTOR_PROTO(ir_value, ir_value*, params);
154 void ir_instr_dump(ir_instr* in, char *ind, int (*oprintf)(const char*,...));
157 typedef struct ir_block_s
161 bool final; /* once a jump is added we're done */
163 MEM_VECTOR_MAKE(ir_instr*, instr);
164 MEM_VECTOR_MAKE(struct ir_block_s*, entries);
165 MEM_VECTOR_MAKE(struct ir_block_s*, exits);
166 MEM_VECTOR_MAKE(ir_value*, living);
168 /* For the temp-allocation */
173 struct ir_function_s *owner;
179 ir_block* ir_block_new(struct ir_function_s *owner, const char *label);
180 void ir_block_delete(ir_block*);
182 bool ir_block_set_label(ir_block*, const char *label);
184 MEM_VECTOR_PROTO(ir_block, ir_instr*, instr);
185 MEM_VECTOR_PROTO_ALL(ir_block, ir_block*, exits);
186 MEM_VECTOR_PROTO_ALL(ir_block, ir_block*, entries);
188 ir_value* ir_block_create_binop(ir_block*, const char *label, int op,
189 ir_value *left, ir_value *right);
190 ir_value* ir_block_create_unary(ir_block*, const char *label, int op,
192 bool GMQCC_WARN ir_block_create_store_op(ir_block*, int op, ir_value *target, ir_value *what);
193 bool GMQCC_WARN ir_block_create_store(ir_block*, ir_value *target, ir_value *what);
194 bool GMQCC_WARN ir_block_create_storep(ir_block*, ir_value *target, ir_value *what);
196 /* field must be of TYPE_FIELD */
197 ir_value* ir_block_create_load_from_ent(ir_block*, const char *label, ir_value *ent, ir_value *field, int outype);
199 ir_value* ir_block_create_fieldaddress(ir_block*, const char *label, ir_value *entity, ir_value *field);
201 /* This is to create an instruction of the form
202 * <outtype>%label := opcode a, b
204 ir_value* ir_block_create_general_instr(ir_block *self, const char *label,
205 int op, ir_value *a, ir_value *b, int outype);
207 ir_value* ir_block_create_add(ir_block*, const char *label, ir_value *l, ir_value *r);
208 ir_value* ir_block_create_sub(ir_block*, const char *label, ir_value *l, ir_value *r);
209 ir_value* ir_block_create_mul(ir_block*, const char *label, ir_value *l, ir_value *r);
210 ir_value* ir_block_create_div(ir_block*, const char *label, ir_value *l, ir_value *r);
211 ir_instr* ir_block_create_phi(ir_block*, const char *label, int vtype);
212 ir_value* ir_phi_value(ir_instr*);
213 bool GMQCC_WARN ir_phi_add(ir_instr*, ir_block *b, ir_value *v);
214 ir_instr* ir_block_create_call(ir_block*, const char *label, ir_value *func);
215 ir_value* ir_call_value(ir_instr*);
216 bool GMQCC_WARN ir_call_param(ir_instr*, ir_value*);
218 bool GMQCC_WARN ir_block_create_return(ir_block*, ir_value *opt_value);
220 bool GMQCC_WARN ir_block_create_if(ir_block*, ir_value *cond,
221 ir_block *ontrue, ir_block *onfalse);
222 /* A 'goto' is an actual 'goto' coded in QC, whereas
223 * a 'jump' is a virtual construct which simply names the
224 * next block to go to.
225 * A goto usually becomes an OP_GOTO in the resulting code,
226 * whereas a 'jump' usually doesn't add any actual instruction.
228 bool GMQCC_WARN ir_block_create_jump(ir_block*, ir_block *to);
229 bool GMQCC_WARN ir_block_create_goto(ir_block*, ir_block *to);
231 MEM_VECTOR_PROTO_ALL(ir_block, ir_value*, living);
233 void ir_block_dump(ir_block*, char *ind, int (*oprintf)(const char*,...));
237 typedef struct ir_function_s
241 MEM_VECTOR_MAKE(int, params);
242 MEM_VECTOR_MAKE(ir_block*, blocks);
248 /* values generated from operations
249 * which might get optimized away, so anything
250 * in there needs to be deleted in the dtor.
252 MEM_VECTOR_MAKE(ir_value*, values);
254 /* locally defined variables */
255 MEM_VECTOR_MAKE(ir_value*, locals);
257 size_t allocated_locals;
264 /* for prototypes - first we generate all the
265 * globals, and we remember teh function-defs
266 * so we can later fill in the entry pos
270 qcint code_function_def;
272 /* for temp allocation */
275 struct ir_builder_s *owner;
278 ir_function* ir_function_new(struct ir_builder_s *owner, int returntype);
279 void ir_function_delete(ir_function*);
281 bool GMQCC_WARN ir_function_collect_value(ir_function*, ir_value *value);
283 bool ir_function_set_name(ir_function*, const char *name);
284 MEM_VECTOR_PROTO(ir_function, int, params);
285 MEM_VECTOR_PROTO(ir_function, ir_block*, blocks);
287 ir_value* ir_function_get_local(ir_function *self, const char *name);
288 ir_value* ir_function_create_local(ir_function *self, const char *name, int vtype, bool param);
290 bool GMQCC_WARN ir_function_finalize(ir_function*);
292 bool ir_function_naive_phi(ir_function*);
293 bool ir_function_enumerate(ir_function*);
294 bool ir_function_calculate_liferanges(ir_function*);
297 ir_block* ir_function_create_block(ir_function*, const char *label);
299 void ir_function_dump(ir_function*, char *ind, int (*oprintf)(const char*,...));
302 typedef struct ir_builder_s
305 MEM_VECTOR_MAKE(ir_function*, functions);
306 MEM_VECTOR_MAKE(ir_value*, globals);
307 MEM_VECTOR_MAKE(ir_value*, fields);
310 ir_builder* ir_builder_new(const char *modulename);
311 void ir_builder_delete(ir_builder*);
313 bool ir_builder_set_name(ir_builder *self, const char *name);
315 MEM_VECTOR_PROTO(ir_builder, ir_function*, functions);
316 MEM_VECTOR_PROTO(ir_builder, ir_value*, globals);
317 MEM_VECTOR_PROTO(ir_builder, ir_value*, fields);
319 ir_function* ir_builder_get_function(ir_builder*, const char *fun);
320 ir_function* ir_builder_create_function(ir_builder*, const char *name, int outtype);
322 ir_value* ir_builder_get_global(ir_builder*, const char *fun);
323 ir_value* ir_builder_create_global(ir_builder*, const char *name, int vtype);
324 ir_value* ir_builder_get_field(ir_builder*, const char *fun);
325 ir_value* ir_builder_create_field(ir_builder*, const char *name, int vtype);
327 bool ir_builder_generate(ir_builder *self, const char *filename);
329 void ir_builder_dump(ir_builder*, int (*oprintf)(const char*, ...));
331 /* This code assumes 32 bit floats while generating binary */
332 extern int check_int_and_float_size
333 [ (sizeof(int32_t) == sizeof(qcfloat)) ? 1 : -1 ];