Branching: If-Then-Else
<if-then-else>
if   <cond>  then <stat1> else <stat2>
 // evaluation of cond
 // to c.val 
(not , c.val, , c.val)
(goto, c.val, , L1   )
 // code of stat1
(goto,      , , L2   )
(lab , L1   , ,      )
 // code of stat2
(lab , L2   , ,      )
Rule:
Semantic action:
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