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Merge pull request #9313 from huonw/symbol-list-7

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TBD: ivar init/destroy, materializeForSet callbacks
This commit is contained in:
Huon Wilson
2017-05-11 20:13:22 +10:00
committed by GitHub
parent e305259ef0 890d348562
commit 606a3cc679
9 changed files with 56 additions and 29 deletions
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28
lib/SIL/SILDeclRef.cpp
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@@ -371,6 +371,12 @@ SILLinkage SILDeclRef::getLinkage(ForDefinition_t forDefinition) const {
return SILLinkage::Private;
}
// Add External to the linkage (e.g. Public -> PublicExternal) if this is a
// declaration not a definition.
auto maybeAddExternal = [&](SILLinkage linkage) {
return forDefinition ? linkage : addExternalToLinkage(linkage);
};
// Native function-local declarations have shared linkage.
// FIXME: @objc declarations should be too, but we currently have no way
// of marking them "used" other than making them external.
@@ -392,15 +398,25 @@ SILLinkage SILDeclRef::getLinkage(ForDefinition_t forDefinition) const {
switch (d->getEffectiveAccess()) {
case Accessibility::Private:
case Accessibility::FilePrivate:
return (forDefinition
? SILLinkage::Private
: SILLinkage::PrivateExternal);
return maybeAddExternal(SILLinkage::Private);
default:
return SILLinkage::Shared;
}
}
// ivar initializers and destroyers are completely contained within the class
// from which they come, and never get seen externally.
if (isIVarInitializerOrDestroyer()) {
switch (d->getEffectiveAccess()) {
case Accessibility::Private:
case Accessibility::FilePrivate:
return maybeAddExternal(SILLinkage::Private);
default:
return maybeAddExternal(SILLinkage::Hidden);
}
}
// Calling convention thunks have shared linkage.
if (isForeignToNativeThunk())
return SILLinkage::Shared;
@@ -418,13 +434,13 @@ SILLinkage SILDeclRef::getLinkage(ForDefinition_t forDefinition) const {
switch (d->getEffectiveAccess()) {
case Accessibility::Private:
case Accessibility::FilePrivate:
return (forDefinition ? SILLinkage::Private : SILLinkage::PrivateExternal);
return maybeAddExternal(SILLinkage::Private);
case Accessibility::Internal:
return (forDefinition ? SILLinkage::Hidden : SILLinkage::HiddenExternal);
return maybeAddExternal(SILLinkage::Hidden);
default:
return (forDefinition ? SILLinkage::Public : SILLinkage::PublicExternal);
return maybeAddExternal(SILLinkage::Public);
}
}