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AST: Request-ify getting the AvailabilityDomain from a ValueDecl.

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Cache the result of turning a `ValueDecl` into an `AvailabilityDomain`. Use
split caching to make the common case of the decl not representing an
availability domain efficient.

NFC.
This commit is contained in:
Allan Shortlidge
2025-08-15 16:09:49 -07:00
parent f96a5e5b2b
commit 678b0934d6
8 changed files with 73 additions and 10 deletions
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7
lib/Serialization/Deserialization.cpp
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@@ -5824,8 +5824,7 @@ decodeDomainKind(uint8_t kind) {
static std::optional<AvailabilityDomain>
decodeAvailabilityDomain(AvailabilityDomainKind domainKind,
PlatformKind platformKind, ValueDecl *decl,
const ASTContext &ctx) {
PlatformKind platformKind, ValueDecl *decl) {
switch (domainKind) {
case AvailabilityDomainKind::Universal:
return AvailabilityDomain::forUniversal();
@@ -5838,7 +5837,7 @@ decodeAvailabilityDomain(AvailabilityDomainKind domainKind,
case AvailabilityDomainKind::Platform:
return AvailabilityDomain::forPlatform(platformKind);
case AvailabilityDomainKind::Custom:
return AvailabilityDomain::forCustom(decl, ctx);
return AvailabilityDomain::forCustom(decl);
}
}
@@ -5905,7 +5904,7 @@ DeclDeserializer::readAvailable_DECL_ATTR(SmallVectorImpl<uint64_t> &scratch,
}
}
auto domain = decodeAvailabilityDomain(domainKind, platform, domainDecl, ctx);
auto domain = decodeAvailabilityDomain(domainKind, platform, domainDecl);
if (!domain)
return llvm::make_error<InavalidAvailabilityDomainError>();