IR_FLAG_INCLUDE_DEF = 1 << 3,
IR_FLAG_ERASABLE = 1 << 4,
IR_FLAG_BLOCK_COVERAGE = 1 << 5,
-
- IR_FLAG_SPLIT_VECTOR = 1 << 6,
+ IR_FLAG_NOREF = 1 << 6,
+ IR_FLAG_SPLIT_VECTOR = 1 << 7,
IR_FLAG_LAST,
IR_FLAG_MASK_NO_OVERLAP = (IR_FLAG_HAS_ARRAYS | IR_FLAG_HAS_UNINITIALIZED),
struct ir_value {
ir_value(std::string&& name, store_type storetype, qc_type vtype);
+ ir_value(ir_function *owner, std::string&& name, store_type storetype, qc_type vtype);
~ir_value();
- void* operator new(std::size_t); // to use mem_a
- void operator delete(void*); // to use mem_d
+ ir_value *vectorMember(unsigned int member);
+
+ bool GMQCC_WARN setFloat(float);
+ bool GMQCC_WARN setFunc(int);
+ bool GMQCC_WARN setString(const char*);
+ bool GMQCC_WARN setVector(vec3_t);
+ bool GMQCC_WARN setField(ir_value*);
+#if 0
+ bool GMQCC_WARN setInt(int);
+#endif
+
+ bool lives(size_t at);
+ void dumpLife(int (*oprintf)(const char*, ...)) const;
+
+ void setCodeAddress(int32_t gaddr);
+ int32_t codeAddress() const;
- std::string name;
+ bool insertLife(size_t idx, ir_life_entry_t);
+ bool setAlive(size_t position);
+ bool mergeLife(const ir_value *other);
- qc_type vtype;
- store_type store;
- lex_ctx_t context;
- qc_type fieldtype; // even the IR knows the subtype of a field
- qc_type outtype; // and the output type of a function
- int cvq; // 'const' vs 'var' qualifier
- ir_flag_t flags;
+ std::string m_name;
- std::vector<ir_instr *> reads;
- std::vector<ir_instr *> writes;
+ qc_type m_vtype;
+ store_type m_store;
+ lex_ctx_t m_context;
+ qc_type m_fieldtype; // even the IR knows the subtype of a field
+ qc_type m_outtype; // and the output type of a function
+ int m_cvq; // 'const' vs 'var' qualifier
+ ir_flag_t m_flags;
+
+ std::vector<ir_instr *> m_reads;
+ std::vector<ir_instr *> m_writes;
// constant values
- bool hasvalue;
+ bool m_hasvalue;
union {
qcfloat_t vfloat;
int vint;
char *vstring;
ir_value *vpointer;
ir_function *vfunc;
- } constval;
+ } m_constval;
struct {
int32_t globaladdr;
int32_t local; // filled by the local-allocator
int32_t addroffset; // added for members
int32_t fieldaddr; // to generate field-addresses early
- } code;
+ } m_code;
// for accessing vectors
- ir_value *members[3];
- ir_value *memberof;
+ ir_value *m_members[3];
+ ir_value *m_memberof;
- bool unique_life; // arrays will never overlap with temps
- bool locked; // temps living during a CALL must be locked
- bool callparam;
+ bool m_unique_life; // arrays will never overlap with temps
+ bool m_locked; // temps living during a CALL must be locked
+ bool m_callparam;
- std::vector<ir_life_entry_t> life; // For the temp allocator
-};
+ std::vector<ir_life_entry_t> m_life; // For the temp allocator
-/*
- * ir_value can be a variable, or created by an operation
- * if a result of an operation: the function should store
- * it to remember to delete it / garbage collect it
- */
-ir_value* ir_value_vector_member(ir_value*, unsigned int member);
-bool GMQCC_WARN ir_value_set_float(ir_value*, float f);
-bool GMQCC_WARN ir_value_set_func(ir_value*, int f);
-bool GMQCC_WARN ir_value_set_string(ir_value*, const char *s);
-bool GMQCC_WARN ir_value_set_vector(ir_value*, vec3_t v);
-bool GMQCC_WARN ir_value_set_field(ir_value*, ir_value *fld);
-bool ir_value_lives(ir_value*, size_t);
-void ir_value_dump_life(const ir_value *self, int (*oprintf)(const char*,...));
+ size_t size() const;
+
+ void dump(int (*oprintf)(const char*, ...)) const;
+};
/* PHI data */
struct ir_phi_entry_t {
/* instruction */
struct ir_instr {
- int opcode;
- lex_ctx_t context;
- ir_value *(_ops[3]);
- ir_block *(bops[2]);
+ ir_instr(lex_ctx_t, ir_block *owner, int opcode);
+ ~ir_instr();
+
+ int m_opcode;
+ lex_ctx_t m_context;
+ ir_value *(_m_ops[3]) = { nullptr, nullptr, nullptr };
+ ir_block *(m_bops[2]) = { nullptr, nullptr };
- std::vector<ir_phi_entry_t> phi;
- std::vector<ir_value *> params;
+ std::vector<ir_phi_entry_t> m_phi;
+ std::vector<ir_value *> m_params;
// For the temp-allocation
- size_t eid;
+ size_t m_eid = 0;
// For IFs
- bool likely;
+ bool m_likely = true;
- ir_block *owner;
+ ir_block *m_owner;
};
/* block */
struct ir_block {
- void* operator new(std::size_t);
- void operator delete(void*);
-
ir_block(ir_function *owner, const std::string& name);
~ir_block();
- ir_function *owner;
- std::string label;
+ ir_function *m_owner;
+ std::string m_label;
- lex_ctx_t context;
- bool final = false; /* once a jump is added we're done */
+ lex_ctx_t m_context;
+ bool m_final = false; /* once a jump is added we're done */
- ir_instr **instr = nullptr;
- ir_block **entries = nullptr;
- ir_block **exits = nullptr;
- std::vector<ir_value *> living;
+ std::vector<ir_instr *> m_instr;
+ std::vector<ir_block *> m_entries;
+ std::vector<ir_block *> m_exits;
+ std::vector<ir_value *> m_living;
/* For the temp-allocation */
- size_t entry_id = 0;
- size_t eid = 0;
- bool is_return = false;
+ size_t m_entry_id = 0;
+ size_t m_eid = 0;
+ bool m_is_return = false;
- bool generated = false;
- size_t code_start = 0;
+ bool m_generated = false;
+ size_t m_code_start = 0;
};
ir_value* ir_block_create_binop(ir_block*, lex_ctx_t, const char *label, int op, ir_value *left, ir_value *right);
/* function */
struct ir_function {
- void* operator new(std::size_t);
- void operator delete(void*);
-
ir_function(ir_builder *owner, qc_type returntype);
~ir_function();
- ir_builder *owner;
+ ir_builder *m_owner;
- std::string name;
- qc_type outtype;
- int *params = nullptr;
- ir_flag_t flags = 0;
- int builtin = 0;
+ std::string m_name;
+ qc_type m_outtype;
+ std::vector<int> m_params;
+ ir_flag_t m_flags = 0;
+ int m_builtin = 0;
- std::vector<std::unique_ptr<ir_block>> blocks;
+ std::vector<std::unique_ptr<ir_block>> m_blocks;
/*
* values generated from operations
* which might get optimized away, so anything
* in there needs to be deleted in the dtor.
*/
- std::vector<std::unique_ptr<ir_value>> values;
- std::vector<std::unique_ptr<ir_value>> locals; /* locally defined variables */
- ir_value *value = nullptr;
+ std::vector<std::unique_ptr<ir_value>> m_values;
+ std::vector<std::unique_ptr<ir_value>> m_locals; /* locally defined variables */
+ ir_value *m_value = nullptr;
- size_t allocated_locals = 0;
- size_t globaltemps = 0;
+ size_t m_allocated_locals = 0;
+ size_t m_globaltemps = 0;
- ir_block* first = nullptr;
- ir_block* last = nullptr;
+ ir_block* m_first = nullptr;
+ ir_block* m_last = nullptr;
- lex_ctx_t context;
+ lex_ctx_t m_context;
/*
* for prototypes - first we generate all the
*
* remember the ID:
*/
- qcint_t code_function_def = -1;
+ qcint_t m_code_function_def = -1;
/* for temp allocation */
- size_t run_id = 0;
+ size_t m_run_id = 0;
/* vararg support: */
- size_t max_varargs = 0;
+ size_t m_max_varargs = 0;
};
#define IR_MAX_VINSTR_TEMPS 1
struct ir_builder {
- void* operator new(std::size_t);
- void operator delete(void*);
ir_builder(const std::string& modulename);
~ir_builder();
- std::string name;
- std::vector<std::unique_ptr<ir_function>> functions;
- std::vector<std::unique_ptr<ir_value>> globals;
- std::vector<std::unique_ptr<ir_value>> fields;
+ ir_function *createFunction(const std::string &name, qc_type outtype);
+ ir_value *createGlobal(const std::string &name, qc_type vtype);
+ ir_value *createField(const std::string &name, qc_type vtype);
+ ir_value *get_va_count();
+ bool generate(const char *filename);
+ void dump(int (*oprintf)(const char*, ...)) const;
+
+ ir_value *generateExtparamProto();
+ void generateExtparam();
+
+ ir_value *literalFloat(float value, bool add_to_list);
+
+ std::string m_name;
+ std::vector<std::unique_ptr<ir_function>> m_functions;
+ std::vector<std::unique_ptr<ir_value>> m_globals;
+ std::vector<std::unique_ptr<ir_value>> m_fields;
// for reusing them in vector-splits, TODO: sort this or use a radix-tree
- std::vector<ir_value*> const_floats;
+ std::vector<ir_value*> m_const_floats;
- ht htfunctions;
- ht htglobals;
- ht htfields;
+ ht m_htfunctions;
+ ht m_htglobals;
+ ht m_htfields;
- std::vector<std::unique_ptr<ir_value>> extparams;
- std::vector<std::unique_ptr<ir_value>> extparam_protos;
+ // extparams' ir_values reference the ones from extparam_protos
+ std::vector<std::unique_ptr<ir_value>> m_extparam_protos;
+ std::vector<ir_value*> m_extparams;
// the highest func->allocated_locals
- size_t max_locals = 0;
- size_t max_globaltemps = 0;
- uint32_t first_common_local = 0;
- uint32_t first_common_globaltemp = 0;
+ size_t m_max_locals = 0;
+ size_t m_max_globaltemps = 0;
+ uint32_t m_first_common_local = 0;
+ uint32_t m_first_common_globaltemp = 0;
- std::vector<const char*> filenames;
- std::vector<qcint_t> filestrings;
+ std::vector<const char*> m_filenames;
+ std::vector<qcint_t> m_filestrings;
// we cache the #IMMEDIATE string here
- qcint_t str_immediate = 0;
+ qcint_t m_str_immediate = 0;
// there should just be this one nil
- ir_value *nil;
- ir_value *reserved_va_count = nullptr;
- ir_value *coverage_func = nullptr;
+ ir_value *m_nil;
+ ir_value *m_reserved_va_count = nullptr;
+ ir_value *m_coverage_func = nullptr;
/* some virtual instructions require temps, and their code is isolated
* so that we don't need to keep track of their liveness.
*/
- ir_value *vinstr_temp[IR_MAX_VINSTR_TEMPS];
+ ir_value *m_vinstr_temp[IR_MAX_VINSTR_TEMPS];
/* code generator */
- code_t *code;
+ std::unique_ptr<code_t> m_code;
+
+private:
+ qcint_t filestring(const char *filename);
+ bool generateGlobal(ir_value*, bool is_local);
+ bool generateGlobalFunction(ir_value*);
+ bool generateGlobalFunctionCode(ir_value*);
+ bool generateFunctionLocals(ir_value*);
};
-ir_function* ir_builder_create_function(ir_builder*, const std::string& name, qc_type outtype);
-ir_value* ir_builder_create_global(ir_builder*, const std::string& name, qc_type vtype);
-ir_value* ir_builder_create_field(ir_builder*, const std::string& name, qc_type vtype);
-ir_value* ir_builder_get_va_count(ir_builder*);
-bool ir_builder_generate(ir_builder *self, const char *filename);
-void ir_builder_dump(ir_builder*, int (*oprintf)(const char*, ...));
-
/*
* This code assumes 32 bit floats while generating binary
* Blub: don't use extern here, it's annoying and shows up in nm