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 {
42 MEM_VECTOR_MAKE(struct ir_instr_s*, reads);
43 MEM_VECTOR_MAKE(struct ir_instr_s*, writes);
52 struct ir_value_s *vpointer;
55 /* For the temp allocator */
56 MEM_VECTOR_MAKE(ir_life_entry_t, life);
59 /* ir_value can be a variable, or created by an operation */
60 ir_value* ir_value_var(const char *name, int st, int vtype);
61 /* if a result of an operation: the function should store
62 * it to remember to delete it / garbage collect it
64 ir_value* ir_value_out(struct ir_function_s *owner, const char *name, int st, int vtype);
65 void ir_value_delete(ir_value*);
66 void ir_value_set_name(ir_value*, const char *name);
68 MEM_VECTOR_PROTO_ALL(ir_value, struct ir_instr_s*, reads);
69 MEM_VECTOR_PROTO_ALL(ir_value, struct ir_instr_s*, writes);
71 bool GMQCC_WARN ir_value_set_float(ir_value*, float f);
73 bool GMQCC_WARN ir_value_set_int(ir_value*, int i);
75 bool GMQCC_WARN ir_value_set_string(ir_value*, const char *s);
76 bool GMQCC_WARN ir_value_set_vector(ir_value*, vector v);
77 /*bool ir_value_set_pointer_v(ir_value*, ir_value* p); */
78 /*bool ir_value_set_pointer_i(ir_value*, int i); */
80 MEM_VECTOR_PROTO(ir_value, ir_life_entry_t, life);
81 /* merge an instruction into the life-range */
82 /* returns false if the lifepoint was already known */
83 bool ir_value_life_merge(ir_value*, size_t);
84 /* check if a value lives at a specific point */
85 bool ir_value_lives(ir_value*, size_t);
86 /* check if the life-range of 2 values overlaps */
87 bool ir_values_overlap(ir_value*, ir_value*);
89 void ir_value_dump(ir_value*, int (*oprintf)(const char*,...));
90 void ir_value_dump_life(ir_value *self, int (*oprintf)(const char*,...));
92 typedef struct ir_phi_entry_s
95 struct ir_block_s *from;
99 typedef struct ir_instr_s
104 struct ir_block_s* (bops[2]);
106 MEM_VECTOR_MAKE(ir_phi_entry_t, phi);
108 /* For the temp-allocation */
111 struct ir_block_s *owner;
114 ir_instr* ir_instr_new(struct ir_block_s *owner, int opcode);
115 void ir_instr_delete(ir_instr*);
117 MEM_VECTOR_PROTO(ir_value, ir_phi_entry_t, phi);
118 bool GMQCC_WARN ir_instr_op(ir_instr*, int op, ir_value *value, bool writing);
120 void ir_instr_dump(ir_instr* in, char *ind, int (*oprintf)(const char*,...));
123 typedef struct ir_block_s
127 bool final; /* once a jump is added we're done */
129 MEM_VECTOR_MAKE(ir_instr*, instr);
130 MEM_VECTOR_MAKE(struct ir_block_s*, entries);
131 MEM_VECTOR_MAKE(struct ir_block_s*, exits);
132 MEM_VECTOR_MAKE(ir_value*, living);
134 /* For the temp-allocation */
139 struct ir_function_s *owner;
142 ir_block* ir_block_new(struct ir_function_s *owner, const char *label);
143 void ir_block_delete(ir_block*);
145 bool ir_block_set_label(ir_block*, const char *label);
147 MEM_VECTOR_PROTO(ir_block, ir_instr*, instr);
148 MEM_VECTOR_PROTO_ALL(ir_block, ir_block*, exits);
149 MEM_VECTOR_PROTO_ALL(ir_block, ir_block*, entries);
151 ir_value* ir_block_create_binop(ir_block*, const char *label, int op,
152 ir_value *left, ir_value *right);
153 bool GMQCC_WARN ir_block_create_store_op(ir_block*, int op, ir_value *target, ir_value *what);
154 bool GMQCC_WARN ir_block_create_store(ir_block*, ir_value *target, ir_value *what);
155 bool GMQCC_WARN ir_block_create_storep(ir_block*, ir_value *target, ir_value *what);
157 /* field must be of TYPE_FIELD */
158 ir_value* ir_block_create_load_from_ent(ir_block*, const char *label, ir_value *ent, ir_value *field, int outype);
160 ir_value* ir_block_create_fieldaddress(ir_block*, const char *label, ir_value *entity, ir_value *field);
162 ir_value* ir_block_create_add(ir_block*, const char *label, ir_value *l, ir_value *r);
163 ir_value* ir_block_create_sub(ir_block*, const char *label, ir_value *l, ir_value *r);
164 ir_value* ir_block_create_mul(ir_block*, const char *label, ir_value *l, ir_value *r);
165 ir_value* ir_block_create_div(ir_block*, const char *label, ir_value *l, ir_value *r);
166 ir_instr* ir_block_create_phi(ir_block*, const char *label, int vtype);
167 ir_value* ir_phi_value(ir_instr*);
168 bool GMQCC_WARN ir_phi_add(ir_instr*, ir_block *b, ir_value *v);
170 bool GMQCC_WARN ir_block_create_return(ir_block*, ir_value *opt_value);
172 bool GMQCC_WARN ir_block_create_if(ir_block*, ir_value *cond,
173 ir_block *ontrue, ir_block *onfalse);
174 /* A 'goto' is an actual 'goto' coded in QC, whereas
175 * a 'jump' is a virtual construct which simply names the
176 * next block to go to.
177 * A goto usually becomes an OP_GOTO in the resulting code,
178 * whereas a 'jump' usually doesn't add any actual instruction.
180 bool GMQCC_WARN ir_block_create_jump(ir_block*, ir_block *to);
181 bool GMQCC_WARN ir_block_create_goto(ir_block*, ir_block *to);
183 MEM_VECTOR_PROTO_ALL(ir_block, ir_value*, living);
185 void ir_block_dump(ir_block*, char *ind, int (*oprintf)(const char*,...));
189 typedef struct ir_function_s
193 MEM_VECTOR_MAKE(int, params);
194 MEM_VECTOR_MAKE(ir_block*, blocks);
196 /* values generated from operations
197 * which might get optimized away, so anything
198 * in there needs to be deleted in the dtor.
200 MEM_VECTOR_MAKE(ir_value*, values);
202 /* locally defined variables */
203 MEM_VECTOR_MAKE(ir_value*, locals);
210 /* for temp allocation */
213 struct ir_builder_s *owner;
216 ir_function* ir_function_new(struct ir_builder_s *owner);
217 void ir_function_delete(ir_function*);
219 bool GMQCC_WARN ir_function_collect_value(ir_function*, ir_value *value);
221 bool ir_function_set_name(ir_function*, const char *name);
222 MEM_VECTOR_PROTO(ir_function, int, params);
223 MEM_VECTOR_PROTO(ir_function, ir_block*, blocks);
225 ir_value* ir_function_get_local(ir_function *self, const char *name);
226 ir_value* ir_function_create_local(ir_function *self, const char *name, int vtype);
228 bool GMQCC_WARN ir_function_finalize(ir_function*);
230 bool ir_function_naive_phi(ir_function*);
231 bool ir_function_enumerate(ir_function*);
232 bool ir_function_calculate_liferanges(ir_function*);
235 ir_block* ir_function_create_block(ir_function*, const char *label);
237 void ir_function_dump(ir_function*, char *ind, int (*oprintf)(const char*,...));
240 typedef struct ir_builder_s
243 MEM_VECTOR_MAKE(ir_function*, functions);
244 MEM_VECTOR_MAKE(ir_value*, globals);
247 ir_builder* ir_builder_new(const char *modulename);
248 void ir_builder_delete(ir_builder*);
250 bool ir_builder_set_name(ir_builder *self, const char *name);
252 MEM_VECTOR_PROTO(ir_builder, ir_function*, functions);
253 MEM_VECTOR_PROTO(ir_builder, ir_value*, globals);
255 ir_function* ir_builder_get_function(ir_builder*, const char *fun);
256 ir_function* ir_builder_create_function(ir_builder*, const char *name);
258 ir_value* ir_builder_get_global(ir_builder*, const char *fun);
259 ir_value* ir_builder_create_global(ir_builder*, const char *name, int vtype);
261 void ir_builder_dump(ir_builder*, int (*oprintf)(const char*, ...));