Doug Gregor 117940958b Replace the type variable -> graph node dense map with an embedded pointer. ...

Provides a 4% speedup type-checking the standard library. This
optimization brings the global constraint graph within 2% of the prior
solution, and prevents us from creating multiple constraint graphs per
constraint system, so flip the switch to always use the global
constraint graph.


Swift SVN r11003

2013-12-09 04:53:33 +00:00

35 KiB

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