People recognized ~20 years ago that, semantically, SSA is just reinventing lexi... | Hacker News

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		l_dopa on Nov 2, 2015 \| parent \| context \| favorite \| on: Swiftc – SIL and its not-so-basic blocks People recognized ~20 years ago that, semantically, SSA is just reinventing lexical scope: http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.34.3...

DannyBee on Nov 2, 2015 [–]

IBM knew this when they invented it (note: Ken Zadeck was my officemate when i worked at IBM ;P)

The original pass was called RNN - right number of names.

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