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[Frama-c-discuss] There may be a problem with the Program Dependence Graph

  • Subject: [Frama-c-discuss] There may be a problem with the Program Dependence Graph
  • From: jcdemay at rennes.supelec.fr (Jonathan-Christofer Demay)
  • Date: Sun, 06 Mar 2011 15:07:34 +0000
  • In-reply-to: <1298391125.18524.89.camel@residence>
  • References: <1298391125.18524.89.camel@residence>
> Well, 'tmp' is syntactically declared after those function calls, 
> but because they are in a loop, it can also be considered *before* 
> the next iteration of loop... So those dependencies are not
> 'impossible'.

Indeed, I've just never encountered this before because not some many
people declare variables in a middle of a loop and up until Carbon, tmp
variables were added by frama-c at the begigging of the block. Well,
another extra step during preprocessing I guess, moving variables
declarations at the beginning of the block. Anyway, thanks for pointing
that out :)