From: divcesar@gmail.com   
      
   Thank you Anton [and John]. With the addition of an artificial node   
   everything made sense now.   
      
   Now I am wondering, how do you usually represent conditional nodes and   
   looping structures using trees?   
      
   Eg.:   
      
          c = a + b;   
          if c > 10 goto L1 else goto L2   
   L1:  a = 10;   
          goto L3;   
   L2:  a = 20;   
   L3:   
      
      
   CC)sar.   
      
      
   On Tue, Sep 8, 2015 at 4:49 AM, Anton Ertl   
    wrote:   
   >>This linear representation is really just an array of IR instructions,   
   >>something on these lines: vector; As operands   
   >>instructions have pointers to entries in the symbol table.   
   >   
   > Sounds like quadruples. ...   
      
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