9 /* Silly pseudo define. Do this right some day */
14 typedef struct pseudo
*pseudo_t
;
16 extern struct pseudo void_pseudo
;
18 #define VOID (&void_pseudo)
21 struct basic_block
*target
;
26 struct basic_block
*source
;
35 pseudo_t cond
; /* for branch and switch */
39 struct basic_block
*bb_true
, *bb_false
;
42 struct multijmp_list
*multijmp_list
;
44 struct /* phi_node */ {
45 struct phi_list
*phi_list
;
48 struct symbol
*orig_type
; /* casts */
58 struct /* multijump */ {
62 struct expression
*val
;
66 struct pseudo_list
*arguments
;
75 OP_RET
= OP_TERMINATOR
,
81 OP_TERMINATOR_END
= OP_UNWIND
,
100 OP_BINARY_END
= OP_OR_BOOL
,
102 /* Binary comparison */
104 OP_SET_EQ
= OP_BINCMP
,
114 OP_BINCMP_END
= OP_SET_AE
,
120 /* Setcc - always in combination with a select or conditional branch */
141 struct basic_block_list
;
142 struct instruction_list
;
145 * Basic block flags. Right now we only have one, which keeps
146 * track (at build time) whether the basic block has been branched
149 #define BB_REACHABLE 0x00000001
152 unsigned long flags
; /* BB status flags */
153 struct basic_block_list
*parents
; /* sources */
154 struct instruction_list
*insns
; /* Linear list of instructions */
157 static inline int is_branch_goto(struct instruction
*br
)
159 return br
&& br
->opcode
==OP_BR
&& (!br
->bb_true
|| !br
->bb_false
);
162 static inline void add_bb(struct basic_block_list
**list
, struct basic_block
*bb
)
164 add_ptr_list((struct ptr_list
**)list
, bb
);
167 static inline void add_instruction(struct instruction_list
**list
, struct instruction
*insn
)
169 add_ptr_list((struct ptr_list
**)list
, insn
);
172 static inline void add_multijmp(struct multijmp_list
**list
, struct multijmp
*multijmp
)
174 add_ptr_list((struct ptr_list
**)list
, multijmp
);
177 static inline void add_phi(struct phi_list
**list
, struct phi
*phi
)
179 add_ptr_list((struct ptr_list
**)list
, phi
);
182 static inline void add_pseudo(struct pseudo_list
**list
, struct pseudo
*pseudo
)
184 add_ptr_list((struct ptr_list
**)list
, pseudo
);
188 static inline int bb_terminated(struct basic_block
*bb
)
190 struct instruction
*insn
;
193 insn
= last_instruction(bb
->insns
);
194 return insn
&& insn
->opcode
>= OP_RET
&& insn
->opcode
<= OP_UNWIND
;
197 static inline int bb_reachable(struct basic_block
*bb
)
199 return bb
&& (bb
->parents
|| (bb
->flags
& BB_REACHABLE
));
204 struct symbol_list
*syms
;
205 struct basic_block_list
*bbs
;
206 struct basic_block
*active
;
209 struct entrypoint
*linearize_symbol(struct symbol
*sym
);
210 void show_entry(struct entrypoint
*ep
);
212 #endif /* LINEARIZE_H */