DebugTypeInfo DebugTypeInfo::getGlobal(SILGlobalVariable *GV,
llvm::Type *StorageTy, Size size,
Alignment align) {
// Prefer the original, potentially sugared version of the type if
// the type hasn't been mucked with by an optimization pass.
DeclContext *DC = nullptr;
GenericEnvironment *GE = nullptr;
auto LowTy = GV->getLoweredType().getSwiftRValueType();
auto *Type = LowTy.getPointer();
if (auto *Decl = GV->getDecl()) {
DC = Decl->getDeclContext();
GE = DC->getGenericEnvironmentOfContext();
auto DeclType =
(Decl->hasType() ? Decl->getType()
: DC->mapTypeIntoContext(Decl->getInterfaceType()));
if (DeclType->isEqual(LowTy))
Type = DeclType.getPointer();
}
DebugTypeInfo DbgTy(DC, GE, Type, StorageTy, size, align);
assert(StorageTy && "StorageType is a nullptr");
assert(!DbgTy.isArchetype() &&
"type of a global var cannot contain an archetype");
assert(align.getValue() != 0);
return DbgTy;
}
GenericEnvironment *
TypeChecker::markInvalidGenericSignature(DeclContext *DC) {
GenericParamList *genericParams = DC->getGenericParamsOfContext();
GenericSignature *genericSig = DC->getGenericSignatureOfContext();
// Build new archetypes without any generic requirements.
DeclContext *parentDC = DC->getParent();
auto builder = createArchetypeBuilder(parentDC->getParentModule());
auto parentSig = parentDC->getGenericSignatureOfContext();
auto parentEnv = parentDC->getGenericEnvironmentOfContext();
assert(parentSig != nullptr || DC->isInnermostContextGeneric());
if (parentSig != nullptr)
builder.addGenericSignature(parentSig, parentEnv);
if (DC->isInnermostContextGeneric()) {
// Visit each of the generic parameters.
for (auto param : *genericParams)
builder.addGenericParameter(param);
}
// Wire up the archetypes.
auto genericEnv = builder.getGenericEnvironment(
genericSig->getGenericParams());
return genericEnv;
}