ack/mach/proto/mcg/ir.h
David Given 0d246c0d73 Much better handling of fragments (no run-time code needed to distinguish them
from registers) and better handling of individual hops within a paragraph ---
no more ghastly hacks to try and distinguish the input from the output.
2016-09-29 22:06:04 +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;
union
{
arith ivalue;
int rvalue;
const char* lvalue;
struct basicblock* bvalue;
} u;
void* state_label; /* used by the iburg instruction selector */
int insn_no; /* the table rule number for this instruction */
ARRAYOF(struct hop) hops; /* only for root IRs */
bool is_root : 1;
bool is_generated : 1;
};
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