/*
- * Copyright (C) 2012
+ * Copyright (C) 2012, 2013
* Wolfgang Bumiller
*
* Permission is hereby granted, free of charge, to any person obtaining a copy of
*/
#ifndef GMQCC_IR_HDR
#define GMQCC_IR_HDR
-
-/* ir_value */
+#include "gmqcc.h"
typedef struct
{
int outtype;
/* 'const' vs 'var' qualifier */
int cvq;
+ uint32_t flags;
struct ir_instr_s **reads;
struct ir_instr_s **writes;
bool unique_life;
/* temps living during a CALL must be locked */
bool locked;
+ bool callparam;
/* For the temp allocator */
ir_life_entry_t *life;
} ir_value;
-int32_t ir_value_code_addr(const ir_value*);
-
/* ir_value can be a variable, or created by an operation */
-ir_value* ir_value_var(const char *name, int st, int 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, int st, int vtype);
-void ir_value_delete(ir_value*);
-bool ir_value_set_name(ir_value*, const char *name);
-ir_value* ir_value_vector_member(ir_value*, unsigned int member);
-
-bool GMQCC_WARN vec_ir_value_find(ir_value **vec, ir_value *what, size_t *idx);
-
+void ir_value_delete(ir_value*);
+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);
-#if 0
-bool GMQCC_WARN ir_value_set_int(ir_value*, int i);
-#endif
bool GMQCC_WARN ir_value_set_string(ir_value*, const char *s);
bool GMQCC_WARN ir_value_set_vector(ir_value*, vector v);
bool GMQCC_WARN ir_value_set_field(ir_value*, ir_value *fld);
-/*bool ir_value_set_pointer_v(ir_value*, ir_value* p); */
-/*bool ir_value_set_pointer_i(ir_value*, int i); */
-
-/* merge an instruction into the life-range */
-/* returns false if the lifepoint was already known */
-bool ir_value_life_merge(ir_value*, size_t);
-bool ir_value_life_merge_into(ir_value*, const ir_value*);
-/* check if a value lives at a specific point */
-bool ir_value_lives(ir_value*, size_t);
-/* check if the life-range of 2 values overlaps */
-bool ir_values_overlap(const ir_value*, const ir_value*);
-
-void ir_value_dump(ir_value*, int (*oprintf)(const char*,...));
-void ir_value_dump_life(const ir_value *self, int (*oprintf)(const char*,...));
+bool ir_value_lives(ir_value*, size_t);
+void ir_value_dump_life(const ir_value *self, int (*oprintf)(const char*,...));
/* PHI data */
typedef struct ir_phi_entry_s
struct ir_block_s *owner;
} ir_instr;
-ir_instr* ir_instr_new(lex_ctx ctx, struct ir_block_s *owner, int opcode);
-void ir_instr_delete(ir_instr*);
-
-bool GMQCC_WARN vec_ir_instr_find(ir_instr **vec, ir_instr *what, size_t *idx);
-
-bool GMQCC_WARN ir_instr_op(ir_instr*, int op, ir_value *value, bool writing);
-
-void ir_instr_dump(ir_instr* in, char *ind, int (*oprintf)(const char*,...));
-
/* block */
typedef struct ir_block_s
{
ir_value **living;
/* For the temp-allocation */
+ size_t entry_id;
size_t eid;
bool is_return;
- size_t run_id;
struct ir_function_s *owner;
size_t code_start;
} ir_block;
-ir_block* ir_block_new(struct ir_function_s *owner, const char *label);
-void ir_block_delete(ir_block*);
-
-bool ir_block_set_label(ir_block*, const char *label);
-
-ir_value* ir_block_create_binop(ir_block*, lex_ctx, const char *label, int op,
- ir_value *left, ir_value *right);
-ir_value* ir_block_create_unary(ir_block*, lex_ctx, const char *label, int op,
- ir_value *operand);
+ir_value* ir_block_create_binop(ir_block*, lex_ctx, const char *label, int op, ir_value *left, ir_value *right);
+ir_value* ir_block_create_unary(ir_block*, lex_ctx, const char *label, int op, ir_value *operand);
bool GMQCC_WARN ir_block_create_store_op(ir_block*, lex_ctx, int op, ir_value *target, ir_value *what);
-bool GMQCC_WARN ir_block_create_store(ir_block*, lex_ctx, ir_value *target, ir_value *what);
bool GMQCC_WARN ir_block_create_storep(ir_block*, lex_ctx, ir_value *target, ir_value *what);
-
-/* field must be of TYPE_FIELD */
-ir_value* ir_block_create_load_from_ent(ir_block*, lex_ctx, const char *label, ir_value *ent, ir_value *field, int outype);
-
-ir_value* ir_block_create_fieldaddress(ir_block*, lex_ctx, const char *label, ir_value *entity, ir_value *field);
+ir_value* ir_block_create_load_from_ent(ir_block*, lex_ctx, const char *label, ir_value *ent, ir_value *field, int outype);
+ir_value* ir_block_create_fieldaddress(ir_block*, lex_ctx, const char *label, ir_value *entity, ir_value *field);
/* This is to create an instruction of the form
* <outtype>%label := opcode a, b
*/
-ir_value* ir_block_create_general_instr(ir_block *self, lex_ctx, const char *label,
- int op, ir_value *a, ir_value *b, int outype);
-
ir_instr* ir_block_create_phi(ir_block*, lex_ctx, const char *label, int vtype);
ir_value* ir_phi_value(ir_instr*);
void ir_phi_add(ir_instr*, ir_block *b, ir_value *v);
bool GMQCC_WARN ir_block_create_jump(ir_block*, lex_ctx, ir_block *to);
bool GMQCC_WARN ir_block_create_goto(ir_block*, lex_ctx, ir_block *to);
-void ir_block_dump(ir_block*, char *ind, int (*oprintf)(const char*,...));
-
/* function */
-
typedef struct ir_function_s
{
char *name;
ir_value **locals;
size_t allocated_locals;
+ size_t globaltemps;
ir_block* first;
ir_block* last;
size_t run_id;
struct ir_builder_s *owner;
+
+ /* vararg support: */
+ size_t max_varargs;
} ir_function;
+
#define IR_FLAG_HAS_ARRAYS (1<<1)
#define IR_FLAG_HAS_UNINITIALIZED (1<<2)
#define IR_FLAG_HAS_GOTO (1<<3)
-#define IR_FLAG_MASK_NO_OVERLAP (IR_FLAG_HAS_ARRAYS | IR_FLAG_HAS_UNINITIALIZED)
-
-ir_function* ir_function_new(struct ir_builder_s *owner, int returntype);
-void ir_function_delete(ir_function*);
-
-void ir_function_collect_value(ir_function*, ir_value *value);
-
-bool ir_function_set_name(ir_function*, const char *name);
-
-ir_value* ir_function_create_local(ir_function *self, const char *name, int vtype, bool param);
+#define IR_FLAG_INCLUDE_DEF (1<<4)
+#define IR_FLAG_MASK_NO_OVERLAP (IR_FLAG_HAS_ARRAYS | IR_FLAG_HAS_UNINITIALIZED)
+#define IR_FLAG_MASK_NO_LOCAL_TEMPS (IR_FLAG_HAS_ARRAYS | IR_FLAG_HAS_UNINITIALIZED)
+ir_value* ir_function_create_local(ir_function *self, const char *name, int vtype, bool param);
bool GMQCC_WARN ir_function_finalize(ir_function*);
-/*
-bool ir_function_naive_phi(ir_function*);
-bool ir_function_enumerate(ir_function*);
-bool ir_function_calculate_liferanges(ir_function*);
-*/
-
-ir_block* ir_function_create_block(lex_ctx ctx, ir_function*, const char *label);
-
-void ir_function_dump(ir_function*, char *ind, int (*oprintf)(const char*,...));
+ir_block* ir_function_create_block(lex_ctx ctx, ir_function*, const char *label);
/* builder */
#define IR_HT_SIZE 1024
ht htfields;
ir_value **extparams;
+ ir_value **extparam_protos;
/* the highest func->allocated_locals */
size_t max_locals;
+ size_t max_globaltemps;
uint32_t first_common_local;
+ uint32_t first_common_globaltemp;
const char **filenames;
qcint *filestrings;
/* we cache the #IMMEDIATE string here */
- qcint str_immediate;
+ qcint str_immediate;
+ /* there should just be this one nil */
+ ir_value *nil;
+ ir_value *reserved_va_count;
} ir_builder;
-ir_builder* ir_builder_new(const char *modulename);
-void ir_builder_delete(ir_builder*);
-
-bool ir_builder_set_name(ir_builder *self, const char *name);
-
-ir_function* ir_builder_get_function(ir_builder*, const char *fun);
+ir_builder* ir_builder_new(const char *modulename);
+void ir_builder_delete(ir_builder*);
ir_function* ir_builder_create_function(ir_builder*, const char *name, int outtype);
+ir_value* ir_builder_create_global(ir_builder*, const char *name, int vtype);
+ir_value* ir_builder_create_field(ir_builder*, const char *name, int vtype);
+ir_value* ir_builder_get_va_count(ir_builder*);
+bool ir_builder_generate(code_t *, ir_builder *self, const char *filename);
+void ir_builder_dump(ir_builder*, int (*oprintf)(const char*, ...));
-ir_value* ir_builder_get_global(ir_builder*, const char *fun);
-ir_value* ir_builder_create_global(ir_builder*, const char *name, int vtype);
-ir_value* ir_builder_get_field(ir_builder*, const char *fun);
-ir_value* ir_builder_create_field(ir_builder*, const char *name, int vtype);
-
-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 */
-extern int check_int_and_float_size
-[ (sizeof(int32_t) == sizeof(qcfloat)) ? 1 : -1 ];
+/*
+ * This code assumes 32 bit floats while generating binary
+ * Blub: don't use extern here, it's annoying and shows up in nm
+ * for some reason :P
+ */
+typedef int static_assert_is_32bit_float [(sizeof(int32_t) == 4)?1:-1];
+typedef int static_assert_is_32bit_integer[(sizeof(qcfloat) == 4)?1:-1];
#endif