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Corrected word spelling
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andreazevedo committed Aug 10, 2011
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SSAPRE stands for "SSA based Partial Redundancy Elimination".

The algorithm is explained in this paper:
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Other interesting issues are:
- SSAPRE has the assumption that:
- each SSA variable is related to one "original" (not SSA) variable, and
- no more than one version of each originsl variable is live at the same time
- no more than one version of each original variable is live at the same time
in the CFG.
It would be better to relax these assumptions.
- SSAPRE operates on "syntactic" redundancies, not on "values".
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