mirror of https://git.wuffs.org/MWCC
60 lines
1.4 KiB
C
60 lines
1.4 KiB
C
#ifndef COMPILER_ALIAS_H
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#define COMPILER_ALIAS_H
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#include "compiler/common.h"
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#ifdef __MWERKS__
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#pragma options align=mac68k
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#endif
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typedef struct AliasMember AliasMember;
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typedef enum AliasType {
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AliasType0,
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AliasType1,
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AliasType2
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} AliasType;
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struct Alias {
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Alias *next;
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Alias *hashNext;
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AliasMember *children;
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AliasMember *parents;
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Object *object;
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SInt32 offset;
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SInt32 size;
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int valuenumber;
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PCode *valuepcode;
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UInt32 *vec24;
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int index;
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AliasType type;
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};
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struct AliasMember {
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AliasMember *nextParent;
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AliasMember *nextChild;
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Alias *parent;
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Alias *child;
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};
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#ifdef __MWERKS__
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#pragma options align=reset
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#endif
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extern Alias *worst_case;
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extern Object worst_case_obj;
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extern void initialize_aliases(void);
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extern Alias *make_alias(Object *object, SInt32 offset, SInt32 size);
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extern Alias *make_alias_set(void);
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extern void add_alias_member(Alias *parent, Alias *child);
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extern Alias *make_alias_set_from_IR(void);
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extern void gather_alias_info(void);
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extern Boolean may_alias(PCode *a, PCode *b);
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extern Boolean uniquely_aliases(PCode *a, PCode *b);
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extern Boolean may_alias_worst_case(PCode *pcode);
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extern Boolean may_alias_object(PCode *pcode, Object *object);
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extern void initialize_alias_values(void);
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extern void update_alias_value(Alias *alias, PCode *pcode);
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extern void update_all_alias_values(void);
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#endif
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