From 25bab8b1fb2fc851ea3f1f630b3de65ca6afdc22 Mon Sep 17 00:00:00 2001
From: Ash Wolf <ninji@wuffs.org>
Date: Wed, 14 Dec 2022 00:16:59 +0000
Subject: haha it's been a while since i last committed, hasn't it

---
 includes/compiler/Alias.h | 53 +++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 53 insertions(+)

(limited to 'includes/compiler/Alias.h')

diff --git a/includes/compiler/Alias.h b/includes/compiler/Alias.h
index 39f7220..08dbb00 100644
--- a/includes/compiler/Alias.h
+++ b/includes/compiler/Alias.h
@@ -3,4 +3,57 @@
 
 #include "compiler/common.h"
 
+#ifdef __MWERKS__
+#pragma options align=mac68k
+#endif
+typedef struct AliasMember AliasMember;
+
+typedef enum AliasType {
+    AliasType0,
+    AliasType1,
+    AliasType2
+} AliasType;
+
+struct Alias {
+    Alias *next;
+    Alias *hashNext;
+    AliasMember *children;
+    AliasMember *parents;
+    Object *object;
+    SInt32 offset;
+    SInt32 size;
+    int valuenumber;
+    PCode *valuepcode;
+    UInt32 *vec24;
+    int index;
+    AliasType type;
+};
+
+struct AliasMember {
+    AliasMember *nextParent;
+    AliasMember *nextChild;
+    Alias *parent;
+    Alias *child;
+};
+#ifdef __MWERKS__
+#pragma options align=reset
+#endif
+
+extern Alias *worst_case;
+extern Object worst_case_obj;
+
+extern void initialize_aliases(void);
+extern Alias *make_alias(Object *object, SInt32 offset, SInt32 size);
+extern Alias *make_alias_set(void);
+extern void add_alias_member(Alias *parent, Alias *child);
+extern Alias *make_alias_set_from_IR(void);
+extern void gather_alias_info(void);
+extern Boolean may_alias(PCode *a, PCode *b);
+extern Boolean uniquely_aliases(PCode *a, PCode *b);
+extern Boolean may_alias_worst_case(PCode *pcode);
+extern Boolean may_alias_object(PCode *pcode, Object *object);
+extern void initialize_alias_values(void);
+extern void update_alias_value(Alias *alias, PCode *pcode);
+extern void update_all_alias_values(void);
+
 #endif
-- 
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