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2 Commits

Author SHA1 Message Date
Nikolai Vazquez
e6ca03d9df Generalize constant_propagation_stdlib SIL tests 2019-08-27 16:51:09 -07:00
Nikolai Vazquez
ba0612f2e9 Add Builtin.isConcrete<T>(T.Type) -> Int1 
Returns `true` if `T.Type` is known to refer to a concrete type. The
implementation allows for the optimizer to specialize this at -O and
eliminate conditional code.

Includes `Swift._isConcrete<T>(T.Type) -> Bool` wrapper function.
 2019-08-27 16:51:09 -07:00