*
* This phase find congruent blocks.
* Two block are congruent, if they contains only equal calculations.
*
* This phase find congruent blocks.
* Two block are congruent, if they contains only equal calculations.
/* define this for general block shaping: congruent blocks
are found not only before the end block but anywhere in the graph */
/* define this for general block shaping: congruent blocks
are found not only before the end block but anywhere in the graph */