18 lines
449 B
C
18 lines
449 B
C
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/* C O P Y P R O P A G A T I O N
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*
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* A U X I L I A R Y R O U T I N E S
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*/
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extern repl_line(); /* (line_p old,new; bblock_p b)
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* Replace EM instruction 'old' by a
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* copy of 'new'. Update doubly-linked
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* list.
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*/
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extern bool same_var(); /* (line_p use,def)
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* 'use' is an instruction that uses a variable
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* for which we maintain ud-info (e.g. a LOL).
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* See if 'def' references the same variable.
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*/
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