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AST: GenericContexts store a GenericSignature instead of a GenericEnvironment

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This eliminates the entire 'lazy generic environment' concept;
essentially, all generic environments are now lazy, and since
each signature has exactly one environment, their construction
no longer needs to be co-ordinated with deserialization.
This commit is contained in:
Slava Pestov
2019-09-05 18:16:38 -04:00
parent e027c82f37
commit 0405ab5ffc
11 changed files with 48 additions and 196 deletions
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6
include/swift/Basic/Statistics.def
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@@ -249,12 +249,6 @@ FRONTEND_STATISTIC(Sema, NumFunctionsTypechecked)
/// amount of work the GSB does analyzing type signatures.
FRONTEND_STATISTIC(Sema, NumGenericSignatureBuilders)
/// Number of lazy generic environments registered.
FRONTEND_STATISTIC(Sema, NumLazyGenericEnvironments)
/// Number of lazy generic environments deserialized.
FRONTEND_STATISTIC(Sema, NumLazyGenericEnvironmentsLoaded)
/// Number of lazy requirement signatures registered.
FRONTEND_STATISTIC(Sema, NumLazyRequirementSignatures)