16 typedef struct ir_value_s {
20 filecontext_t context;
22 MAKE_VEC(struct ir_instr_s*, reads);
23 MAKE_VEC(struct ir_instr_s*, writes);
30 struct ir_value_s *vpointer;
35 /* For the temp allocator */
36 MAKE_VEC(ir_life_entry_t, life);
39 /* ir_value can be a variable, or created by an operation */
40 ir_value* ir_value_var(const char *name, ir_store_t st, ir_type_t vtype);
41 /* if a result of an operation: the function should store
42 * it to remember to delete it / garbage collect it
44 ir_value* ir_value_out(struct ir_function_s *owner, const char *name, ir_store_t st, ir_type_t vtype);
45 void ir_value_delete(ir_value*);
46 void ir_value_set_name(ir_value*, const char *name);
48 void ir_value_reads_add(ir_value*, struct ir_instr_s*);
49 void ir_value_writes_add(ir_value*, struct ir_instr_s*);
51 qbool ir_value_set_float(ir_value*, float f);
52 qbool ir_value_set_int(ir_value*, int i);
53 qbool ir_value_set_string(ir_value*, const char *s);
54 qbool ir_value_set_vector(ir_value*, qc_vec_t v);
55 /*qbool ir_value_set_pointer_v(ir_value*, ir_value* p); */
56 /*qbool ir_value_set_pointer_i(ir_value*, int i); */
58 void ir_value_life_add(ir_value*, ir_life_entry_t e);
59 /* merge an instruction into the life-range */
60 /* returns false if the lifepoint was already known */
61 qbool ir_value_life_merge(ir_value*, size_t);
62 /* check if a value lives at a specific point */
63 qbool ir_value_lives(ir_value*, size_t);
65 void ir_value_dump(ir_value*, int (*oprintf)(const char*,...));
66 void ir_value_dump_life(ir_value *self, int (*oprintf)(const char*,...));
68 typedef struct ir_phi_entry_s
71 struct ir_block_s *from;
75 typedef struct ir_instr_s
78 filecontext_t context;
80 struct ir_block_s* (bops[2]);
82 MAKE_VEC(ir_phi_entry_t, phi);
84 /* For the temp-allocation */
87 struct ir_block_s *owner;
90 ir_instr* ir_instr_new(struct ir_block_s *owner, ir_op_t opcode);
91 void ir_instr_delete(ir_instr*);
93 void ir_instr_phi_add(ir_instr*, ir_phi_entry_t e);
94 void ir_instr_op(ir_instr*, int op, ir_value *value, qbool writing);
96 void ir_instr_dump(ir_instr* in, char *ind, int (*oprintf)(const char*,...));
99 typedef struct ir_block_s
102 filecontext_t context;
103 qbool final; /* once a jump is added we're done */
105 MAKE_VEC(ir_instr*, instr);
106 MAKE_VEC(struct ir_block_s*, entries);
107 MAKE_VEC(struct ir_block_s*, exits);
108 MAKE_VEC(ir_value*, living);
110 /* For the temp-allocation */
115 struct ir_function_s *owner;
118 ir_block* ir_block_new(struct ir_function_s *owner, const char *label);
119 void ir_block_delete(ir_block*);
121 void ir_block_set_label(ir_block*, const char *label);
123 void ir_block_instr_add(ir_block*, ir_instr *instr);
124 void ir_block_instr_remove(ir_block*, size_t idx);
125 void ir_block_exits_add(ir_block*, ir_block *b);
126 void ir_block_entries_add(ir_block*, ir_block *b);
127 qbool ir_block_entries_find(ir_block*, ir_block *b, size_t *idx);
129 ir_value* ir_block_create_binop(ir_block*, const char *label, ir_op_t op,
130 ir_value *left, ir_value *right);
131 qbool ir_block_create_store_op(ir_block*, ir_op_t op, ir_value *target, ir_value *what);
132 qbool ir_block_create_store(ir_block*, ir_value *target, ir_value *what);
134 ir_value* ir_block_create_add(ir_block*, const char *label, ir_value *l, ir_value *r);
135 ir_value* ir_block_create_sub(ir_block*, const char *label, ir_value *l, ir_value *r);
136 ir_value* ir_block_create_mul(ir_block*, const char *label, ir_value *l, ir_value *r);
137 ir_value* ir_block_create_div(ir_block*, const char *label, ir_value *l, ir_value *r);
138 ir_instr* ir_block_create_phi(ir_block*, const char *label, ir_type_t vtype);
139 ir_value* ir_phi_value(ir_instr*);
140 void ir_phi_add(ir_instr*, ir_block *b, ir_value *v);
142 void ir_block_create_return(ir_block*, ir_value *opt_value);
144 void ir_block_create_if(ir_block*, ir_value *cond,
145 ir_block *ontrue, ir_block *onfalse);
146 /* A 'goto' is an actual 'goto' coded in QC, whereas
147 * a 'jump' is a virtual construct which simply names the
148 * next block to go to.
149 * A goto usually becomes an OP_GOTO in the resulting code,
150 * whereas a 'jump' usually doesn't add any actual instruction.
152 void ir_block_create_jump(ir_block*, ir_block *to);
153 void ir_block_create_goto(ir_block*, ir_block *to);
155 void ir_block_living_add(ir_block*, ir_value*);
156 void ir_block_living_remove(ir_block*, size_t idx);
157 qbool ir_block_living_find(ir_block*, ir_value*, size_t *idx);
159 void ir_block_dump(ir_block*, char *ind, int (*oprintf)(const char*,...));
163 typedef struct ir_function_s
167 MAKE_VEC(ir_type_t, params);
168 MAKE_VEC(ir_block*, blocks);
170 /* values generated from operations
171 * which might get optimized away, so anything
172 * in there needs to be deleted in the dtor.
174 MAKE_VEC(ir_value*, values);
176 /* locally defined variables */
177 MAKE_VEC(ir_value*, locals);
182 filecontext_t context;
184 /* for temp allocation */
187 struct ir_builder_s *owner;
190 ir_function* ir_function_new(struct ir_builder_s *owner);
191 void ir_function_delete(ir_function*);
193 void ir_function_collect_value(ir_function*, ir_value *value);
195 void ir_function_set_name(ir_function*, const char *name);
196 void ir_function_params_add(ir_function*, ir_type_t p);
197 void ir_function_blocks_add(ir_function*, ir_block *b);
199 ir_value* ir_function_get_local(ir_function *self, const char *name);
200 ir_value* ir_function_create_local(ir_function *self, const char *name, ir_type_t vtype);
202 void ir_function_finalize(ir_function*);
204 void ir_function_naive_phi(ir_function*);
205 void ir_function_enumerate(ir_function*);
206 void ir_function_calculate_liferanges(ir_function*);
209 ir_block* ir_function_create_block(ir_function*, const char *label);
211 void ir_function_dump(ir_function*, char *ind, int (*oprintf)(const char*,...));
214 typedef struct ir_builder_s
217 MAKE_VEC(ir_function*, functions);
218 MAKE_VEC(ir_value*, globals);
221 ir_builder* ir_builder_new(const char *modulename);
222 void ir_builder_delete(ir_builder*);
224 void ir_builder_set_name(ir_builder *self, const char *name);
226 void ir_builder_functions_add(ir_builder* b, ir_function* f);
227 void ir_builder_globals_add(ir_builder* b, ir_value* f);
229 ir_function* ir_builder_get_function(ir_builder*, const char *fun);
230 ir_function* ir_builder_create_function(ir_builder*, const char *name);
232 ir_value* ir_builder_get_global(ir_builder*, const char *fun);
233 ir_value* ir_builder_create_global(ir_builder*, const char *name, ir_type_t vtype);
235 void ir_builder_dump(ir_builder*, int (*oprintf)(const char*, ...));