16 typedef struct ir_value_s {
20 filecontext_t context;
26 MAKE_VEC(struct ir_instr_s*, reads);
27 MAKE_VEC(struct ir_instr_s*, writes);
34 struct ir_value_s *vpointer;
39 /* For the temp allocator */
40 MAKE_VEC(ir_life_entry_t, life);
43 /* ir_value can be a variable, or created by an operation */
44 ir_value* ir_value_var(const char *name, ir_store_t st, ir_type_t vtype);
45 /* if a result of an operation: the function should store
46 * it to remember to delete it / garbage collect it
48 ir_value* ir_value_out(struct ir_function_s *owner, const char *name, ir_store_t st, ir_type_t vtype);
49 void ir_value_delete(ir_value*);
50 void ir_value_set_name(ir_value*, const char *name);
52 void ir_value_reads_add(ir_value*, struct ir_instr_s*);
53 void ir_value_writes_add(ir_value*, struct ir_instr_s*);
55 ir_bool ir_value_set_float(ir_value*, float f);
56 ir_bool ir_value_set_int(ir_value*, int i);
57 ir_bool ir_value_set_string(ir_value*, const char *s);
58 ir_bool ir_value_set_vector(ir_value*, qc_vec_t v);
59 /*ir_bool ir_value_set_pointer_v(ir_value*, ir_value* p); */
60 /*ir_bool ir_value_set_pointer_i(ir_value*, int i); */
62 void ir_value_life_add(ir_value*, ir_life_entry_t e);
63 /* merge an instruction into the life-range */
64 /* returns false if the lifepoint was already known */
65 ir_bool ir_value_life_merge(ir_value*, size_t);
66 /* check if a value lives at a specific point */
67 ir_bool ir_value_lives(ir_value*, size_t);
69 void ir_value_dump(ir_value*, int (*oprintf)(const char*,...));
70 void ir_value_dump_life(ir_value *self, int (*oprintf)(const char*,...));
72 typedef struct ir_phi_entry_s
75 struct ir_block_s *from;
79 typedef struct ir_instr_s
82 filecontext_t context;
84 struct ir_block_s* (bops[2]);
86 MAKE_VEC(ir_phi_entry_t, phi);
88 /* For the temp-allocation */
91 struct ir_block_s *owner;
94 ir_instr* ir_instr_new(struct ir_block_s *owner, ir_op_t opcode);
95 void ir_instr_delete(ir_instr*);
97 void ir_instr_phi_add(ir_instr*, ir_phi_entry_t e);
98 void ir_instr_op(ir_instr*, int op, ir_value *value, ir_bool writing);
100 void ir_instr_dump(ir_instr* in, char *ind, int (*oprintf)(const char*,...));
103 typedef struct ir_block_s
106 filecontext_t context;
107 ir_bool final; /* once a jump is added we're done */
109 MAKE_VEC(ir_instr*, instr);
110 MAKE_VEC(struct ir_block_s*, entries);
111 MAKE_VEC(struct ir_block_s*, exits);
112 MAKE_VEC(ir_value*, living);
114 /* For the temp-allocation */
119 struct ir_function_s *owner;
122 ir_block* ir_block_new(struct ir_function_s *owner, const char *label);
123 void ir_block_delete(ir_block*);
125 void ir_block_set_label(ir_block*, const char *label);
127 void ir_block_instr_add(ir_block*, ir_instr *instr);
128 void ir_block_instr_remove(ir_block*, size_t idx);
129 void ir_block_exits_add(ir_block*, ir_block *b);
130 void ir_block_entries_add(ir_block*, ir_block *b);
131 ir_bool ir_block_entries_find(ir_block*, ir_block *b, size_t *idx);
133 ir_value* ir_block_create_binop(ir_block*, const char *label, ir_op_t op,
134 ir_value *left, ir_value *right);
135 ir_bool ir_block_create_store_op(ir_block*, ir_op_t op, ir_value *target, ir_value *what);
136 ir_bool ir_block_create_store(ir_block*, ir_value *target, ir_value *what);
138 ir_value* ir_block_create_add(ir_block*, const char *label, ir_value *l, ir_value *r);
139 ir_value* ir_block_create_sub(ir_block*, const char *label, ir_value *l, ir_value *r);
140 ir_value* ir_block_create_mul(ir_block*, const char *label, ir_value *l, ir_value *r);
141 ir_value* ir_block_create_div(ir_block*, const char *label, ir_value *l, ir_value *r);
142 ir_instr* ir_block_create_phi(ir_block*, const char *label, ir_type_t vtype);
143 ir_value* ir_phi_value(ir_instr*);
144 void ir_phi_add(ir_instr*, ir_block *b, ir_value *v);
146 void ir_block_create_return(ir_block*, ir_value *opt_value);
148 void ir_block_create_if(ir_block*, ir_value *cond,
149 ir_block *ontrue, ir_block *onfalse);
150 /* A 'goto' is an actual 'goto' coded in QC, whereas
151 * a 'jump' is a virtual construct which simply names the
152 * next block to go to.
153 * A goto usually becomes an OP_GOTO in the resulting code,
154 * whereas a 'jump' usually doesn't add any actual instruction.
156 void ir_block_create_jump(ir_block*, ir_block *to);
157 void ir_block_create_goto(ir_block*, ir_block *to);
159 void ir_block_living_add(ir_block*, ir_value*);
160 void ir_block_living_remove(ir_block*, size_t idx);
161 ir_bool ir_block_living_find(ir_block*, ir_value*, size_t *idx);
163 void ir_block_dump(ir_block*, char *ind, int (*oprintf)(const char*,...));
167 typedef struct ir_function_s
171 MAKE_VEC(ir_type_t, params);
172 MAKE_VEC(ir_block*, blocks);
174 /* values generated from operations
175 * which might get optimized away, so anything
176 * in there needs to be deleted in the dtor.
178 MAKE_VEC(ir_value*, values);
180 /* locally defined variables */
181 MAKE_VEC(ir_value*, locals);
186 filecontext_t context;
188 /* for temp allocation */
191 struct ir_builder_s *owner;
194 ir_function* ir_function_new(struct ir_builder_s *owner);
195 void ir_function_delete(ir_function*);
197 void ir_function_collect_value(ir_function*, ir_value *value);
199 void ir_function_set_name(ir_function*, const char *name);
200 void ir_function_params_add(ir_function*, ir_type_t p);
201 void ir_function_blocks_add(ir_function*, ir_block *b);
203 ir_value* ir_function_get_local(ir_function *self, const char *name);
204 ir_value* ir_function_create_local(ir_function *self, const char *name, ir_type_t vtype);
206 void ir_function_finalize(ir_function*);
208 void ir_function_naive_phi(ir_function*);
209 void ir_function_enumerate(ir_function*);
210 void ir_function_calculate_liferanges(ir_function*);
213 ir_block* ir_function_create_block(ir_function*, const char *label);
215 void ir_function_dump(ir_function*, char *ind, int (*oprintf)(const char*,...));
218 typedef struct ir_builder_s
221 MAKE_VEC(ir_function*, functions);
222 MAKE_VEC(ir_value*, globals);
225 ir_builder* ir_builder_new(const char *modulename);
226 void ir_builder_delete(ir_builder*);
228 void ir_builder_set_name(ir_builder *self, const char *name);
230 void ir_builder_functions_add(ir_builder* b, ir_function* f);
231 void ir_builder_globals_add(ir_builder* b, ir_value* f);
233 ir_function* ir_builder_get_function(ir_builder*, const char *fun);
234 ir_function* ir_builder_create_function(ir_builder*, const char *name);
236 ir_value* ir_builder_get_global(ir_builder*, const char *fun);
237 ir_value* ir_builder_create_global(ir_builder*, const char *name, ir_type_t vtype);
239 void ir_builder_dump(ir_builder*, int (*oprintf)(const char*, ...));