Inside 245-5D

Existential Pontification and Generalized Abstract Digressions

The hidden problem(?) with basic block procedures in SSA

Years ago, Nadav Rotem related to me this story about why basic block procedures in Swift are not as good as they seem. Nelson Elhage reminded me about this on Twitter and so I thought this should be put into the public record. Basic block procedures make certain optimizations more difficult. Consider this program: block […]

  • October 24, 2020