ack/mach/proto/mcg/ir.h
David Given f06b51c981 Keep track of register types as well as attributes --- the type being how we
find new registers when evicting values. Input constraints work (they were
being ignored before). Various bug fixing so they actually work.
2016-10-12 22:58:46 +02:00

52 lines
1.2 KiB
C

#ifndef IR_H
#define IR_H
#include "ircodes.h"
struct ir
{
int id;
enum ir_opcode opcode;
int size;
struct ir* left;
struct ir* right;
struct ir* root;
union
{
arith ivalue;
int rvalue;
const char* lvalue;
struct basicblock* bvalue;
PMAPOF(struct basicblock, struct ir) phivalue;
} u;
ARRAYOF(struct ir) uses; /* all places this IR is used */
struct vreg* result; /* vreg containing IR result */
};
extern const char* ir_names[];
extern struct ir* new_ir0(int opcode, int size);
extern struct ir* new_ir1(int opcode, int size,
struct ir* c1);
extern struct ir* new_ir2(int opcode, int size,
struct ir* c1, struct ir* c2);
extern struct ir* new_labelir(const char* label);
extern struct ir* new_wordir(arith value);
extern struct ir* new_constir(int size, arith value);
extern struct ir* new_bbir(struct basicblock* bb);
extern struct ir* new_anyir(int size);
extern struct ir* new_localir(int offset);
typedef bool ir_walker_t(struct ir* node, void* user);
extern struct ir* ir_walk(struct ir* ir, ir_walker_t* callback, void* user);
extern struct ir* ir_find(struct ir* ir, int opcode);
extern void ir_print(char k, const struct ir* ir);
#endif
/* vim: set sw=4 ts=4 expandtab : */