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;
63 /* For the temp allocator */
64 MEM_VECTOR_MAKE(ir_life_entry_t, life);
67 /* ir_value can be a variable, or created by an operation */
68 ir_value* ir_value_var(const char *name, int st, int vtype);
69 /* if a result of an operation: the function should store
70 * it to remember to delete it / garbage collect it
72 ir_value* ir_value_out(struct ir_function_s *owner, const char *name, int st, int vtype);
73 void ir_value_delete(ir_value*);
74 void ir_value_set_name(ir_value*, const char *name);
76 MEM_VECTOR_PROTO_ALL(ir_value, struct ir_instr_s*, reads);
77 MEM_VECTOR_PROTO_ALL(ir_value, struct ir_instr_s*, writes);
79 bool GMQCC_WARN ir_value_set_float(ir_value*, float f);
81 bool GMQCC_WARN ir_value_set_int(ir_value*, int i);
83 bool GMQCC_WARN ir_value_set_string(ir_value*, const char *s);
84 bool GMQCC_WARN ir_value_set_vector(ir_value*, vector v);
85 /*bool ir_value_set_pointer_v(ir_value*, ir_value* p); */
86 /*bool ir_value_set_pointer_i(ir_value*, int i); */
88 MEM_VECTOR_PROTO(ir_value, ir_life_entry_t, life);
89 /* merge an instruction into the life-range */
90 /* returns false if the lifepoint was already known */
91 bool ir_value_life_merge(ir_value*, size_t);
92 /* check if a value lives at a specific point */
93 bool ir_value_lives(ir_value*, size_t);
94 /* check if the life-range of 2 values overlaps */
95 bool ir_values_overlap(ir_value*, ir_value*);
97 void ir_value_dump(ir_value*, int (*oprintf)(const char*,...));
98 void ir_value_dump_life(ir_value *self, int (*oprintf)(const char*,...));
100 typedef struct ir_phi_entry_s
103 struct ir_block_s *from;
107 typedef struct ir_instr_s
112 struct ir_block_s* (bops[2]);
114 MEM_VECTOR_MAKE(ir_phi_entry_t, phi);
116 /* For the temp-allocation */
119 struct ir_block_s *owner;
122 ir_instr* ir_instr_new(struct ir_block_s *owner, int opcode);
123 void ir_instr_delete(ir_instr*);
125 MEM_VECTOR_PROTO(ir_value, ir_phi_entry_t, phi);
126 bool GMQCC_WARN ir_instr_op(ir_instr*, int op, ir_value *value, bool writing);
128 void ir_instr_dump(ir_instr* in, char *ind, int (*oprintf)(const char*,...));
131 typedef struct ir_block_s
135 bool final; /* once a jump is added we're done */
137 MEM_VECTOR_MAKE(ir_instr*, instr);
138 MEM_VECTOR_MAKE(struct ir_block_s*, entries);
139 MEM_VECTOR_MAKE(struct ir_block_s*, exits);
140 MEM_VECTOR_MAKE(ir_value*, living);
142 /* For the temp-allocation */
147 struct ir_function_s *owner;
150 ir_block* ir_block_new(struct ir_function_s *owner, const char *label);
151 void ir_block_delete(ir_block*);
153 bool ir_block_set_label(ir_block*, const char *label);
155 MEM_VECTOR_PROTO(ir_block, ir_instr*, instr);
156 MEM_VECTOR_PROTO_ALL(ir_block, ir_block*, exits);
157 MEM_VECTOR_PROTO_ALL(ir_block, ir_block*, entries);
159 ir_value* ir_block_create_binop(ir_block*, const char *label, int op,
160 ir_value *left, ir_value *right);
161 bool GMQCC_WARN ir_block_create_store_op(ir_block*, int op, ir_value *target, ir_value *what);
162 bool GMQCC_WARN ir_block_create_store(ir_block*, ir_value *target, ir_value *what);
163 bool GMQCC_WARN ir_block_create_storep(ir_block*, ir_value *target, ir_value *what);
165 /* field must be of TYPE_FIELD */
166 ir_value* ir_block_create_load_from_ent(ir_block*, const char *label, ir_value *ent, ir_value *field, int outype);
168 ir_value* ir_block_create_fieldaddress(ir_block*, const char *label, ir_value *entity, ir_value *field);
170 /* This is to create an instruction of the form
171 * <outtype>%label := opcode a, b
173 ir_value* ir_block_create_general_instr(ir_block *self, const char *label,
174 int op, ir_value *a, ir_value *b, int outype);
176 ir_value* ir_block_create_add(ir_block*, const char *label, ir_value *l, ir_value *r);
177 ir_value* ir_block_create_sub(ir_block*, const char *label, ir_value *l, ir_value *r);
178 ir_value* ir_block_create_mul(ir_block*, const char *label, ir_value *l, ir_value *r);
179 ir_value* ir_block_create_div(ir_block*, const char *label, ir_value *l, ir_value *r);
180 ir_instr* ir_block_create_phi(ir_block*, const char *label, int vtype);
181 ir_value* ir_phi_value(ir_instr*);
182 bool GMQCC_WARN ir_phi_add(ir_instr*, ir_block *b, ir_value *v);
184 bool GMQCC_WARN ir_block_create_return(ir_block*, ir_value *opt_value);
186 bool GMQCC_WARN ir_block_create_if(ir_block*, ir_value *cond,
187 ir_block *ontrue, ir_block *onfalse);
188 /* A 'goto' is an actual 'goto' coded in QC, whereas
189 * a 'jump' is a virtual construct which simply names the
190 * next block to go to.
191 * A goto usually becomes an OP_GOTO in the resulting code,
192 * whereas a 'jump' usually doesn't add any actual instruction.
194 bool GMQCC_WARN ir_block_create_jump(ir_block*, ir_block *to);
195 bool GMQCC_WARN ir_block_create_goto(ir_block*, ir_block *to);
197 MEM_VECTOR_PROTO_ALL(ir_block, ir_value*, living);
199 void ir_block_dump(ir_block*, char *ind, int (*oprintf)(const char*,...));
203 typedef struct ir_function_s
207 MEM_VECTOR_MAKE(int, params);
208 MEM_VECTOR_MAKE(ir_block*, blocks);
210 /* values generated from operations
211 * which might get optimized away, so anything
212 * in there needs to be deleted in the dtor.
214 MEM_VECTOR_MAKE(ir_value*, values);
216 /* locally defined variables */
217 MEM_VECTOR_MAKE(ir_value*, locals);
224 /* for temp allocation */
227 struct ir_builder_s *owner;
230 ir_function* ir_function_new(struct ir_builder_s *owner);
231 void ir_function_delete(ir_function*);
233 bool GMQCC_WARN ir_function_collect_value(ir_function*, ir_value *value);
235 bool ir_function_set_name(ir_function*, const char *name);
236 MEM_VECTOR_PROTO(ir_function, int, params);
237 MEM_VECTOR_PROTO(ir_function, ir_block*, blocks);
239 ir_value* ir_function_get_local(ir_function *self, const char *name);
240 ir_value* ir_function_create_local(ir_function *self, const char *name, int vtype);
242 bool GMQCC_WARN ir_function_finalize(ir_function*);
244 bool ir_function_naive_phi(ir_function*);
245 bool ir_function_enumerate(ir_function*);
246 bool ir_function_calculate_liferanges(ir_function*);
249 ir_block* ir_function_create_block(ir_function*, const char *label);
251 void ir_function_dump(ir_function*, char *ind, int (*oprintf)(const char*,...));
254 typedef struct ir_builder_s
257 MEM_VECTOR_MAKE(ir_function*, functions);
258 MEM_VECTOR_MAKE(ir_value*, globals);
261 ir_builder* ir_builder_new(const char *modulename);
262 void ir_builder_delete(ir_builder*);
264 bool ir_builder_set_name(ir_builder *self, const char *name);
266 MEM_VECTOR_PROTO(ir_builder, ir_function*, functions);
267 MEM_VECTOR_PROTO(ir_builder, ir_value*, globals);
269 ir_function* ir_builder_get_function(ir_builder*, const char *fun);
270 ir_function* ir_builder_create_function(ir_builder*, const char *name);
272 ir_value* ir_builder_get_global(ir_builder*, const char *fun);
273 ir_value* ir_builder_create_global(ir_builder*, const char *name, int vtype);
275 void ir_builder_dump(ir_builder*, int (*oprintf)(const char*, ...));
277 /* This code assumes 32 bit floats while generating binary */
278 extern int check_int_and_float_size
279 [ (sizeof(int32_t) == sizeof(( (ir_value*)(NULL) )->constval.vvec.x)) ? 1 : -1 ];