#ifndef COMPILER_COPTIMIZER_H
#define COMPILER_COPTIMIZER_H

#include "compiler/common.h"

#ifdef __MWERKS__
#pragma options align=mac68k
#endif
typedef struct COptBlockList {
    struct COptBlockList *next;
    struct COptBlock *block;
} COptBlockList;

typedef struct COptBlock {
    struct COptBlock *next;
    COptBlockList *blocks;
    COptBlockList *blocks2;
    Statement *stmt;
    short *set1;
    short *set2;
    UInt32 allocmask;
    short x1C;
    Boolean x1E;
} COptBlock;

typedef struct COptCSE {
    struct COptCSE *next;
    struct COptCSE *left;
    struct COptCSE *right;
    COptBlock *block;
    ENode *expr;
    ENode *mexpr;
    ENode *replaced;
    short x1C;
} COptCSE;

typedef struct COptCSEList {
    struct COptCSEList *next;
    COptCSE *cse;
    ENode *expr;
} COptCSEList;
#ifdef __MWERKS__
#pragma options align=reset
#endif

extern COptBlock *basicblocks;
extern Boolean copt_isleaffunction;

extern UInt32 RegAllocMask(short var);
extern void MarkRegAllocMask(short var, short bit, Boolean flag);
extern void SetVarUsage(Object *obj, Boolean noregister);
extern void COpt_SimpleOptimizer(Object *obj, Statement *stmt);
extern Statement *COpt_Optimizer(Object *obj, Statement *stmt);

#endif