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 */
44 MEM_VECTOR_MAKE(struct ir_instr_s*, reads);
45 MEM_VECTOR_MAKE(struct ir_instr_s*, writes);
54 struct ir_value_s *vpointer;
55 struct ir_function_s *vfunc;
61 /* filled by the local-allocator */
65 /* For the temp allocator */
66 MEM_VECTOR_MAKE(ir_life_entry_t, life);
69 /* ir_value can be a variable, or created by an operation */
70 ir_value* ir_value_var(const char *name, int st, int vtype);
71 /* if a result of an operation: the function should store
72 * it to remember to delete it / garbage collect it
74 ir_value* ir_value_out(struct ir_function_s *owner, const char *name, int st, int vtype);
75 void ir_value_delete(ir_value*);
76 void ir_value_set_name(ir_value*, const char *name);
78 MEM_VECTOR_PROTO_ALL(ir_value, struct ir_instr_s*, reads);
79 MEM_VECTOR_PROTO_ALL(ir_value, struct ir_instr_s*, writes);
81 bool GMQCC_WARN ir_value_set_float(ir_value*, float f);
83 bool GMQCC_WARN ir_value_set_int(ir_value*, int i);
85 bool GMQCC_WARN ir_value_set_string(ir_value*, const char *s);
86 bool GMQCC_WARN ir_value_set_vector(ir_value*, vector v);
87 /*bool ir_value_set_pointer_v(ir_value*, ir_value* p); */
88 /*bool ir_value_set_pointer_i(ir_value*, int i); */
90 MEM_VECTOR_PROTO(ir_value, ir_life_entry_t, life);
91 /* merge an instruction into the life-range */
92 /* returns false if the lifepoint was already known */
93 bool ir_value_life_merge(ir_value*, size_t);
94 bool ir_value_life_merge_into(ir_value*, const ir_value*);
95 /* check if a value lives at a specific point */
96 bool ir_value_lives(ir_value*, size_t);
97 /* check if the life-range of 2 values overlaps */
98 bool ir_values_overlap(const ir_value*, const ir_value*);
100 void ir_value_dump(ir_value*, int (*oprintf)(const char*,...));
101 void ir_value_dump_life(ir_value *self, int (*oprintf)(const char*,...));
103 typedef struct ir_phi_entry_s
106 struct ir_block_s *from;
110 typedef struct ir_instr_s
115 struct ir_block_s* (bops[2]);
117 MEM_VECTOR_MAKE(ir_phi_entry_t, phi);
119 /* For the temp-allocation */
122 struct ir_block_s *owner;
125 ir_instr* ir_instr_new(struct ir_block_s *owner, int opcode);
126 void ir_instr_delete(ir_instr*);
128 MEM_VECTOR_PROTO(ir_value, ir_phi_entry_t, phi);
129 bool GMQCC_WARN ir_instr_op(ir_instr*, int op, ir_value *value, bool writing);
131 void ir_instr_dump(ir_instr* in, char *ind, int (*oprintf)(const char*,...));
134 typedef struct ir_block_s
138 bool final; /* once a jump is added we're done */
140 MEM_VECTOR_MAKE(ir_instr*, instr);
141 MEM_VECTOR_MAKE(struct ir_block_s*, entries);
142 MEM_VECTOR_MAKE(struct ir_block_s*, exits);
143 MEM_VECTOR_MAKE(ir_value*, living);
145 /* For the temp-allocation */
150 struct ir_function_s *owner;
156 ir_block* ir_block_new(struct ir_function_s *owner, const char *label);
157 void ir_block_delete(ir_block*);
159 bool ir_block_set_label(ir_block*, const char *label);
161 MEM_VECTOR_PROTO(ir_block, ir_instr*, instr);
162 MEM_VECTOR_PROTO_ALL(ir_block, ir_block*, exits);
163 MEM_VECTOR_PROTO_ALL(ir_block, ir_block*, entries);
165 ir_value* ir_block_create_binop(ir_block*, const char *label, int op,
166 ir_value *left, ir_value *right);
167 bool GMQCC_WARN ir_block_create_store_op(ir_block*, int op, ir_value *target, ir_value *what);
168 bool GMQCC_WARN ir_block_create_store(ir_block*, ir_value *target, ir_value *what);
169 bool GMQCC_WARN ir_block_create_storep(ir_block*, ir_value *target, ir_value *what);
171 /* field must be of TYPE_FIELD */
172 ir_value* ir_block_create_load_from_ent(ir_block*, const char *label, ir_value *ent, ir_value *field, int outype);
174 ir_value* ir_block_create_fieldaddress(ir_block*, const char *label, ir_value *entity, ir_value *field);
176 /* This is to create an instruction of the form
177 * <outtype>%label := opcode a, b
179 ir_value* ir_block_create_general_instr(ir_block *self, const char *label,
180 int op, ir_value *a, ir_value *b, int outype);
182 ir_value* ir_block_create_add(ir_block*, const char *label, ir_value *l, ir_value *r);
183 ir_value* ir_block_create_sub(ir_block*, const char *label, ir_value *l, ir_value *r);
184 ir_value* ir_block_create_mul(ir_block*, const char *label, ir_value *l, ir_value *r);
185 ir_value* ir_block_create_div(ir_block*, const char *label, ir_value *l, ir_value *r);
186 ir_instr* ir_block_create_phi(ir_block*, const char *label, int vtype);
187 ir_value* ir_phi_value(ir_instr*);
188 bool GMQCC_WARN ir_phi_add(ir_instr*, ir_block *b, ir_value *v);
190 bool GMQCC_WARN ir_block_create_return(ir_block*, ir_value *opt_value);
192 bool GMQCC_WARN ir_block_create_if(ir_block*, ir_value *cond,
193 ir_block *ontrue, ir_block *onfalse);
194 /* A 'goto' is an actual 'goto' coded in QC, whereas
195 * a 'jump' is a virtual construct which simply names the
196 * next block to go to.
197 * A goto usually becomes an OP_GOTO in the resulting code,
198 * whereas a 'jump' usually doesn't add any actual instruction.
200 bool GMQCC_WARN ir_block_create_jump(ir_block*, ir_block *to);
201 bool GMQCC_WARN ir_block_create_goto(ir_block*, ir_block *to);
203 MEM_VECTOR_PROTO_ALL(ir_block, ir_value*, living);
205 void ir_block_dump(ir_block*, char *ind, int (*oprintf)(const char*,...));
209 typedef struct ir_function_s
213 MEM_VECTOR_MAKE(int, params);
214 MEM_VECTOR_MAKE(ir_block*, blocks);
216 /* values generated from operations
217 * which might get optimized away, so anything
218 * in there needs to be deleted in the dtor.
220 MEM_VECTOR_MAKE(ir_value*, values);
222 /* locally defined variables */
223 MEM_VECTOR_MAKE(ir_value*, locals);
230 /* for temp allocation */
233 struct ir_builder_s *owner;
236 ir_function* ir_function_new(struct ir_builder_s *owner);
237 void ir_function_delete(ir_function*);
239 bool GMQCC_WARN ir_function_collect_value(ir_function*, ir_value *value);
241 bool ir_function_set_name(ir_function*, const char *name);
242 MEM_VECTOR_PROTO(ir_function, int, params);
243 MEM_VECTOR_PROTO(ir_function, ir_block*, blocks);
245 ir_value* ir_function_get_local(ir_function *self, const char *name);
246 ir_value* ir_function_create_local(ir_function *self, const char *name, int vtype);
248 bool GMQCC_WARN ir_function_finalize(ir_function*);
250 bool ir_function_naive_phi(ir_function*);
251 bool ir_function_enumerate(ir_function*);
252 bool ir_function_calculate_liferanges(ir_function*);
255 ir_block* ir_function_create_block(ir_function*, const char *label);
257 void ir_function_dump(ir_function*, char *ind, int (*oprintf)(const char*,...));
260 typedef struct ir_builder_s
263 MEM_VECTOR_MAKE(ir_function*, functions);
264 MEM_VECTOR_MAKE(ir_value*, globals);
267 ir_builder* ir_builder_new(const char *modulename);
268 void ir_builder_delete(ir_builder*);
270 bool ir_builder_set_name(ir_builder *self, const char *name);
272 MEM_VECTOR_PROTO(ir_builder, ir_function*, functions);
273 MEM_VECTOR_PROTO(ir_builder, ir_value*, globals);
275 ir_function* ir_builder_get_function(ir_builder*, const char *fun);
276 ir_function* ir_builder_create_function(ir_builder*, const char *name);
278 ir_value* ir_builder_get_global(ir_builder*, const char *fun);
279 ir_value* ir_builder_create_global(ir_builder*, const char *name, int vtype);
281 bool ir_builder_generate(ir_builder *self, const char *filename);
283 void ir_builder_dump(ir_builder*, int (*oprintf)(const char*, ...));
285 /* This code assumes 32 bit floats while generating binary */
286 extern int check_int_and_float_size
287 [ (sizeof(int32_t) == sizeof(( (ir_value*)(NULL) )->constval.vvec.x)) ? 1 : -1 ];