From 727698e9f757d3c00c863e592587b56c2f7c0416 Mon Sep 17 00:00:00 2001 From: "Wolfgang (Blub) Bumiller" Date: Wed, 25 Apr 2012 13:37:17 +0200 Subject: [PATCH] Importing ir.h --- ir.h | 241 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 241 insertions(+) create mode 100644 ir.h diff --git a/ir.h b/ir.h new file mode 100644 index 0000000..02ca79b --- /dev/null +++ b/ir.h @@ -0,0 +1,241 @@ +#ifndef QCIR_H__ +#define QCIR_H__ + +#include "astir.h" + +/* ir_value */ + +typedef struct +{ + /* both inclusive */ + size_t start; + size_t end; +} ir_life_entry_t; + +struct ir_function_s; +typedef struct ir_value_s { + const char *_name; + ir_type_t vtype; + ir_store_t store; + filecontext_t context; + + /* + size_t read_use; + size_t write_use; + */ + MAKE_VEC(struct ir_instr_s*, reads); + MAKE_VEC(struct ir_instr_s*, writes); + + /* constantvalues */ + union { + float vfloat; + int vint; + qc_vec_t vvec; + struct ir_value_s *vpointer; + const char *vstring; + } cvalue; + ir_bool has_constval; + + /* For the temp allocator */ + MAKE_VEC(ir_life_entry_t, life); +} ir_value; + +/* ir_value can be a variable, or created by an operation */ +ir_value* ir_value_var(const char *name, ir_store_t st, ir_type_t vtype); +/* if a result of an operation: the function should store + * it to remember to delete it / garbage collect it + */ +ir_value* ir_value_out(struct ir_function_s *owner, const char *name, ir_store_t st, ir_type_t vtype); +void ir_value_delete(ir_value*); +void ir_value_set_name(ir_value*, const char *name); + +void ir_value_reads_add(ir_value*, struct ir_instr_s*); +void ir_value_writes_add(ir_value*, struct ir_instr_s*); + +ir_bool ir_value_set_float(ir_value*, float f); +ir_bool ir_value_set_int(ir_value*, int i); +ir_bool ir_value_set_string(ir_value*, const char *s); +ir_bool ir_value_set_vector(ir_value*, qc_vec_t v); +/*ir_bool ir_value_set_pointer_v(ir_value*, ir_value* p); */ +/*ir_bool ir_value_set_pointer_i(ir_value*, int i); */ + +void ir_value_life_add(ir_value*, ir_life_entry_t e); +/* merge an instruction into the life-range */ +/* returns false if the lifepoint was already known */ +ir_bool ir_value_life_merge(ir_value*, size_t); +/* check if a value lives at a specific point */ +ir_bool ir_value_lives(ir_value*, size_t); + +void ir_value_dump(ir_value*, int (*oprintf)(const char*,...)); +void ir_value_dump_life(ir_value *self, int (*oprintf)(const char*,...)); + +typedef struct ir_phi_entry_s +{ + ir_value *value; + struct ir_block_s *from; +} ir_phi_entry_t; + +/* instruction */ +typedef struct ir_instr_s +{ + ir_op_t opcode; + filecontext_t context; + ir_value* (_ops[3]); + struct ir_block_s* (bops[2]); + + MAKE_VEC(ir_phi_entry_t, phi); + + /* For the temp-allocation */ + size_t eid; + + struct ir_block_s *owner; +} ir_instr; + +ir_instr* ir_instr_new(struct ir_block_s *owner, ir_op_t opcode); +void ir_instr_delete(ir_instr*); + +void ir_instr_phi_add(ir_instr*, ir_phi_entry_t e); +void ir_instr_op(ir_instr*, int op, ir_value *value, ir_bool writing); + +void ir_instr_dump(ir_instr* in, char *ind, int (*oprintf)(const char*,...)); + +/* block */ +typedef struct ir_block_s +{ + const char *_label; + filecontext_t context; + ir_bool final; /* once a jump is added we're done */ + + MAKE_VEC(ir_instr*, instr); + MAKE_VEC(struct ir_block_s*, entries); + MAKE_VEC(struct ir_block_s*, exits); + MAKE_VEC(ir_value*, living); + + /* For the temp-allocation */ + size_t eid; + ir_bool is_return; + size_t run_id; + + struct ir_function_s *owner; +} ir_block; + +ir_block* ir_block_new(struct ir_function_s *owner, const char *label); +void ir_block_delete(ir_block*); + +void ir_block_set_label(ir_block*, const char *label); + +void ir_block_instr_add(ir_block*, ir_instr *instr); +void ir_block_instr_remove(ir_block*, size_t idx); +void ir_block_exits_add(ir_block*, ir_block *b); +void ir_block_entries_add(ir_block*, ir_block *b); +ir_bool ir_block_entries_find(ir_block*, ir_block *b, size_t *idx); + +ir_value* ir_block_create_binop(ir_block*, const char *label, ir_op_t op, + ir_value *left, ir_value *right); +ir_bool ir_block_create_store_op(ir_block*, ir_op_t op, ir_value *target, ir_value *what); +ir_bool ir_block_create_store(ir_block*, ir_value *target, ir_value *what); + +ir_value* ir_block_create_add(ir_block*, const char *label, ir_value *l, ir_value *r); +ir_value* ir_block_create_sub(ir_block*, const char *label, ir_value *l, ir_value *r); +ir_value* ir_block_create_mul(ir_block*, const char *label, ir_value *l, ir_value *r); +ir_value* ir_block_create_div(ir_block*, const char *label, ir_value *l, ir_value *r); +ir_instr* ir_block_create_phi(ir_block*, const char *label, ir_type_t vtype); +ir_value* ir_phi_value(ir_instr*); +void ir_phi_add(ir_instr*, ir_block *b, ir_value *v); + +void ir_block_create_return(ir_block*, ir_value *opt_value); + +void ir_block_create_if(ir_block*, ir_value *cond, + ir_block *ontrue, ir_block *onfalse); +/* A 'goto' is an actual 'goto' coded in QC, whereas + * a 'jump' is a virtual construct which simply names the + * next block to go to. + * A goto usually becomes an OP_GOTO in the resulting code, + * whereas a 'jump' usually doesn't add any actual instruction. + */ +void ir_block_create_jump(ir_block*, ir_block *to); +void ir_block_create_goto(ir_block*, ir_block *to); + +void ir_block_living_add(ir_block*, ir_value*); +void ir_block_living_remove(ir_block*, size_t idx); +ir_bool ir_block_living_find(ir_block*, ir_value*, size_t *idx); + +void ir_block_dump(ir_block*, char *ind, int (*oprintf)(const char*,...)); + +/* function */ + +typedef struct ir_function_s +{ + const char *_name; + ir_type_t retype; + MAKE_VEC(ir_type_t, params); + MAKE_VEC(ir_block*, blocks); + + /* values generated from operations + * which might get optimized away, so anything + * in there needs to be deleted in the dtor. + */ + MAKE_VEC(ir_value*, values); + + /* locally defined variables */ + MAKE_VEC(ir_value*, locals); + + ir_block* first; + ir_block* last; + + filecontext_t context; + + /* for temp allocation */ + size_t run_id; + + struct ir_builder_s *owner; +} ir_function; + +ir_function* ir_function_new(struct ir_builder_s *owner); +void ir_function_delete(ir_function*); + +void ir_function_collect_value(ir_function*, ir_value *value); + +void ir_function_set_name(ir_function*, const char *name); +void ir_function_params_add(ir_function*, ir_type_t p); +void ir_function_blocks_add(ir_function*, ir_block *b); + +ir_value* ir_function_get_local(ir_function *self, const char *name); +ir_value* ir_function_create_local(ir_function *self, const char *name, ir_type_t vtype); + +void ir_function_finalize(ir_function*); +/* +void ir_function_naive_phi(ir_function*); +void ir_function_enumerate(ir_function*); +void ir_function_calculate_liferanges(ir_function*); +*/ + +ir_block* ir_function_create_block(ir_function*, const char *label); + +void ir_function_dump(ir_function*, char *ind, int (*oprintf)(const char*,...)); + +/* builder */ +typedef struct ir_builder_s +{ + const char *_name; + MAKE_VEC(ir_function*, functions); + MAKE_VEC(ir_value*, globals); +} ir_builder; + +ir_builder* ir_builder_new(const char *modulename); +void ir_builder_delete(ir_builder*); + +void ir_builder_set_name(ir_builder *self, const char *name); + +void ir_builder_functions_add(ir_builder* b, ir_function* f); +void ir_builder_globals_add(ir_builder* b, ir_value* f); + +ir_function* ir_builder_get_function(ir_builder*, const char *fun); +ir_function* ir_builder_create_function(ir_builder*, const char *name); + +ir_value* ir_builder_get_global(ir_builder*, const char *fun); +ir_value* ir_builder_create_global(ir_builder*, const char *name, ir_type_t vtype); + +void ir_builder_dump(ir_builder*, int (*oprintf)(const char*, ...)); + +#endif -- 2.39.2